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SERVICE MANUAL - Heronhill Air Conditioning Ltd

1. YES Yy YES Is there no connection 7 of power line SO X Correct power line NO j YES Is not mairi power supply Turn on the main power supply NO YES Did a block out occur Clear check code NO Is the network YES address changed by main remote controller NO YES Is there no noise etc NO Can be other indoor units normally controlled from AI NET central remote controller or is the operation status of indoor unit reflected Eliminate noise etc Unavailable Others are same Check central controller Failure gt Replace Can be the indoor unit normally controlled from the main remote controller Check indoor P C board Failure gt Replace Does the network adaptor P C board LED D01 turn on Check power transformer of the network adaptor P C board MCC 1401 Failure gt Replace Fax 01823 665807 Heronhill for all your Toshiba requirements 9 6 7 Segment Display Function m 7 segment display on the outdoor unit Interface P C board On the interface control P C board 7 segment LED to check the operating status is provided on the control P C board The displayed contents are changed by combining the setup numbers of the rotary switches SW01 SW02 and SW03 on PC board Interface PC board 7 segment 7 segment display A display B fe ee GJ G G 6 E 2nd 1st 3rd 2nd 1st place
2. lt Service support function list gt swo1 swo2 swo3 7 segment display A Function contents 1 Refrigerant circuit and control communication line check function Cooling operation Refrigerant circuit and control communication line check function Heating operation Indoor PMV forced full open function Indoor remote controller discriminating function 1 Heating test operation function Indoor collective start stop ON OFF function Solenoid valve forced open close function 2 1to 16 Fan forced operation function Outside temp sensor manual adjustment function Indoor No 1 to 16 unit Indoor No 17 to 32 unit Indoor No 33 to 48 unit Indoor No 49 to 64 unit Indoor individual start stop ON OFF function 104 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 9 Indoor Fan Operation Check Function This function is provided to check operation of single indoor unit without using communication with the remote controller or outdoor unit This function can be used regardless operating or stopping of the system However if this function is used for a long time a trouble of the air conditioner may be caused Therefore using of this function should be restricted to several minutes Operation 1 Short circuit CHK pin CN71 on the indoor P C board If short circuiting DISP pin CN72 on the indoor P C board
3. If dirt of the main unit is not cleaned even if wiped with a dried soft cloth wipe it completely squeezed cloth which was rinsed with tepid water below 40 C lt Air outlet grille Air outlet flap gt f Air outlet grille If using a metal brush or hard sponge for mainte Air outlet flap nance of the front panel the surface is scratched and Air filter Removes dust and trash Air filter is provided in the air inlet grille Pir TA A Attachment air filter coating of the front panel may be pealed Use neutral detergent for kitchen to clean a heavy dirt and then rinse the grille or flap with water Suck dust by a vacuum cleaner or clean with water After cleaning the filter with water dry the filter completely in the shade Floor Standing type Cleaning of drain pan For cleaning of the drain pan contact the dealer If the drain pan or drain port is clogged with dust water is disabled to drain In some cases water overflows from the drain pan and it may wet wall or floor Be sure to clean the drain pan before the cooling season lt Attachment detachment of the air filter gt Pull the air filter downward and take out toward you e Insert the air filter into the indoor unit and push in it Suck dust by a vacuum cleaner or clean with water When dirt is heavy it is effective to clean the filter with tepid water with dissolved neutral detergent o
4. Fax 01823 665807 ve Operation section Push each button to select a desired operation The details of the operation needs to be set up once afterward the air conditioner can be used by pushing button only 1 2 5 6 7 Heronhill for all your Toshiba requirements Air volume select button Selects the desired air volume mode Timer set button TIMER SET button is used when the timer is set up Check button The CHECK button is used for the check opera tion During normal operation do not use this button Fan button FAN button is used when a fan which is sold on the market or etc is connected If No function is displayed on the remote controller when pushing the FAN button a fan is not connected Filter reset button Resets Erases FILTER display UNIT and AUTO flap button Select a unit No Swing automatically or manually Operation lamp Lamp is lit during the operation Lamp is off when stopped Although it flashes when operating the protection device or abnormal time Tel 01823 665660 8 button When the button is pushed the operation starts and it stops by pushing the button again When the operation has stopped the opera tion lamp and all the displays disappear 9 Operation select button Selects desired operation mode 10 Set up temperature button Adju
5. 7 Push SET cL buttons simultaneously for 4 seconds or more The firstly displayed unit No indicates the header indoor unit address in the group control In this time the fan of the selected indoor unit is turned on 2 Every pushing _UNIT_ button the indoor unit numbers in the group control are successively displayed In this time the fan of the selected indoor unit only is turned on 3 Specify the item code DN using the setup temperature _a_Jand _v_ buttons 4 Select the setup data using the timer time 4 and buttons When selecting the DN code to 33 change the temperature indication of the unit from C to F on the remote controller 5 Push SET button OK if display goes on To change the selected indoor unit return to procedure 2 To change the item to be set up return to procedure J 6 Pushing 4 button returns the status to normal stop status 65 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Table Function selecting item code DN Items necessary to perform the applied control at the local site are described Item Description At shipment Filter sign lighting 0000 None 0001 150H According to type time 0002 2500H 0003 5000H 0004 10000H Dirty state of filter 0000 Standard 0001 High degree of dirt 0000 Standard Half of standard time Central control 0001 No 1 uni
6. Pd sensor CN501 Ps sensor CN500 Is outdoor PMV normal 1 Connector connection NO 2 Cabling Repair outdoor PMV 3 Coil i j F Are characteristics of resistance value _NO 1 baa body PC board Connectors N30 301 NIIP of TS1 and TE1 sensors normal Replace sensor Outdoor C boar YES YES Are characteristics of A A Replace TD2 7 re output voltage characteristics TD2 sensor resistance normal Rele ib olldoor ABIL eplace sensor of Pd and Ps sensors normal Replace sensor temperature sensor YES characteristics 4 YES i i NO Does not discharge refrigerant gas by Check 4 way valve pass to suction sidethrough 4 way valve y Are connection and installation NO Correct connection VES of TE1 and TL sensors correct and installation YES SV4 circuit 1 Are not SV41 and SV42 valve coils installed reversely 2 Is there no leakage through SV42 circuit NO Correct installation of valve coil Replace SV42 valve Reset the power supply and start heating test operation Mii NO NO Check leakage of SVS circuit Replace defective parts Is the flow selector unit normal Replace the FS unit YES YES YES Check clogging of SV6 t AS Replace defecti t D t disch eck clogging o circui gt eplace defective parts oes not discharge Does 4 way valve operate refrigerant gas pypass
7. 0 Q Oo TA TCU TC2 TC1 ois radian 000000 6XL X2XS PERAN ee ape a Crkekskaysye OXXX it XS fake 2X2 So CN82 CN33 CN34 CN104 CN102 CN101 CN100 CN68 RY302 BLU WHI RED YEL RED BLK BRW 403 BLU Motor drive O O circuit on T RY303 Cuoco a hd Control P C board 3 for Indoor unit FUSE FUSE b T6 3A 250V T3 15A 250V MCC 1402 aan oO EXCT RED LO t nO Power H eDc20v X2 a a gt Power o DC15V Wel E circuit ey en Flow selector unit earth screw RED CN66 CN40 CN41 CN50 CN61 CN32 CN60 CN81 CN20 Closed end WHI BLU BLU WHI YEL WHI WHI BLK BLU connector TT eu ES PR aoe Pe ee a a aa atone do ara on as a EAE aor aon ieee a ae ae ar wor OXX GLKS CLXXX CXA GELUXLXS LELU CLELRKUXS OX X3 Fandrive Option a O AN Power supply single phase 220 240V 50Hz 220V 60Hz LA EAEE AE eS ET 1 Indicates the terminal bolock Letter at inside indicates the terminal number 2 A dotted line and broken line indicate Indoor unit l the wiring at side Earth screw HLYZOdY HLSLOdV HISLOdV HLZ LOdY HL6OOdY HLZOOdY MNIN E ETE Color 3 indicate the control p c board aaa ih a indication RED RED r WHI WHITE Parts name i i YEL YELLOW F i ITY 1h2 AI ARR fp enn nn nnn en enn BLU BLUE an motor i l PT 39h
8. Heating thermo OFF Heating thermo ON E04 error is being detected 48 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 2 All cooling operation Operation of cooling only In high outside temperature 15 C or more Criterion Outdoor unit Operating for condenser EE High pressure gas or condensed liquid refrigerant Low pressure gas refrigerant Low pressure gas refrigerant Refrigerant recovery line EE High pressure refrigerant Push in circuit FS unit Indoor unit Outdoor unit Flow selector Indoor unit SV4 20 Ra SVD OFF SVD OFF Control SV3D Control SVDD OFF SVDD OFF SV11 SV3E SVSS ON SVSS ON Outdoor E Control PMV3 Close Note 1 SV4 of the stopped compressor is ON 49 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements In low outside temperature 15 C or less Criterion Outdoor unit Operating for condenser MMMM High pressure gas or condensed liquid refrigerant Low pressure gas refrigerant Low pressure gas refrigerant Refrigerant recovery line EE High pressure refrigerant Push in circuit Indoor unit Outdoor unit Flow selector Indoor unit 4 way valve OFF lt Cooling thermo ON gt lt Stop gt SV4 n Note 1 SVD OFF SV5 ON SVS ON Control
9. SW07 Bit 1 ON ON 60 to 100 74 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 2 2 2 Power Peak cut Control Expansion Header outdoor unit interface P C board Operation i Set up Bit 1 The upper limit capacity of the outdoor unit is restricted ON Bit 2 based on the demand request signal from outside Setup to L1 Display lamp during Power peak cut control CN513 BLU Header j SW1 Power peak cut ON switch 1 j SW2 Power peak cut OFF switch 1 Power peak cut 1 control board Input signals of SW1 and SW2 are acceptable even if they are upper than pulse input 100mm sec or serially made Be sure to prepare a contact for each terminal Relay contact capacity of operation port Below AC240V 1A COS 100 Below DC24V 2A Non inductive load Note When connecting non inductive load such as relay coil to L1 load insert the noise surge absorber CR In case of AC or counter electromotive proof diode In case of DC into the bypass circuit Power peak cut control board TCB PCDM2E supply Outdoor unit destination to be connected becomes the MAX AC240V header outdoor unit U1 Procured locally Setup at power peak cut control expansion request Outside power Display lamp Rower Peak cut request l peak cut request Outdoor wire interface P C board SW07 Bit 2 ON SW1 SW2 L1 SW07 Bit 1 OFF SW07 Bit 1 ON 100 Normal operation
10. 2 In all cooling operation the air conditioner operates as described below based upon temp detected by TC2 and TCJ sensors When M zone is detected for 45 minutes the command frequency becomes S0 to the outdoor unit In N zone the timer count is interrupted and held e When shifting to M zone again the timer count restarts and continues e If L zone is detected the timer is cleared and the opera tion returns to normal operation Reset conditions 1 TC1 gt 12 C and TC2 gt 12 C and TCJ gt 12 C 2 30 minutes passed after stop CC P2 56 Tel 01823 665660 www heronhill co uk In a Model without TC2 TC2 is not judged Fax 01823 665807 Recovery control for cooling refrigerant and oil Heronhill for all your Toshiba requirements Outline of specifications 1 The indoor unit which stops operation thermostat is OFF or operates in FAN mode opens PMV of the indoor unit by the specified opening degree when cooling refrigerant or oil recovery signal is received from the outdoor unit 2 Drain pump of 4 way air discharge cassette type and concealed duct type operate during recovery control mode Remarks e Recovery operation is usually executed every 2 hours Recovery control for heating refrigerant and oil The indoor unit which stops operation thermostat is OFF or operates in FAN mode performs the following controls when the heating
11. AC BUS Ra communication Fan motor _ it circuit control circuit COO 2 Indoor Outdoor u2 communication Outdoor unit Max 8 units are connectable 1 1 However in a case that the network adaptor is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The network adaptor is installed to only one unit www heronhill co uk Sensors Display section Power Power 1 supply f supply Outdoor Outdoor unit unit 3 Nome for concealed duct Floor standing cabinet Floor standing concealed 4 Nome for concealed duct Floor standing cabinet Floor standing concealed Floor standing 5 Nome for 1 way discharge cassette YH type lt adA Buipue s 100 4 adAl payeadu0y BHulpuejs 10044 adAL Joulrgqey Hulpuejs 10044 adAy ainssaig d1 e1S YIH Nq pejesdu0g Fax 01823 665807 adAL p sses obieyosig sly Aem adAl p sses obseyosig 11y Aem z gt 89L Indoor unit 1 Heronhill for all your Toshiba requirements Wired remote controller Function setup Weekly timer Key switch le controller communication circui Power circuit Network adaptor Option Wireless remote controller communication circuit Central control X ALNET remote controller __ communication Option Y circuit In case of Al NETWORK DESY Power circuit Transformer Indoor control P C bo
12. NO Is TC1 sensor connector CN100 Brown on indoor P C board normally connected Correct connection of connector YES NO Replace TC1 sensor Are characteristics of TC1 sensor resistance value normal YES Check indoor main P C board Defect Replace Indoor unit temperature sensor characteristics See Characteristics 2 Fax 01823 665807 SEL Heronhill for all your Toshiba requirements Check code Check code name Cause of operation F04 19 TD1 sensor error TD1 sensor Open Short d07 Al NET This error code means detection of Open Short of TD1 sensor Check disconnection of circuit for connection of connector TD1 sensor CN502 White and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Check code name Cause of operation Ar Check code F05 A1 d07 Al NET Check code name Check code name Cause of operation F10 0C Indoor TA sensor error TA sensor Open Short d07 Al NET This error code means detection of Open Short of TA sensor Check disconnection of circuit for connection of connec tor TA sensor CN104 Yellow and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace indoor P C board This error code means detection of Open Short of TD2 senso
13. Remove the sensor cover from the adjust corner cap 1 screw 2 Change Bit 1 TEST of the switch S003 on the sensor P C board from OFF to ON Mount the sensor cover and attach the adjust corner cap with sensors to the ceiling panel Turn on power of the air conditioner 3 Push _ _ button of the wireless remote controller and select an operation mode COOL _ button All the display lamps of the wireless remote controller sensor section flash during the test operation e Do not use operation mode other than COOL or HEAT Error is detected as usual S003 Bit 1 OFF gt ON 4 When the test operation has finished push button to stop the operation 5 Turn off power of the air conditioner Change Bit 1 of the switch S003 on the sensor PC board from ON to OFF Attach the adjust corner cap with Adjust corner cap sensors to the ceiling panel Sensor cover lt Test operation from outdoor unit gt Refer to 8 7 2 Function of Start Stop the Indoor Unit from Outdoor Unit in 8 7 Service Support Function NOTE The test operation returns to the normal operation after 60 minutes have passed 90 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements In case of wireless remote controller for under ceiling type Procedure Description Turn on power of the air conditioner The operation is not accepte
14. adAL p sses obieyosig sly Aem adAL p sses obseyosig 11y Aem z gt OZ Microcomputer operation LED MCC 1402 07S COMPONENT SIDE R425 DC fan output D330 1c330 w RIS3 R423 R422 R421 1C340 o w a is Heronhill for all your Toshiba requirements Filter Option error input Sena DEZAN 2 6 CR SRPSOA 2 F302 i K gocy 9 OTCOl q fe fn cll C322 Fil IC311 1 E 0 5 a 1 ASSY 0d PMV output DC fan return i gt ithe y Je 3 a eee ae 1C60 bal Float SW 0 G 5 cc 3 f ocs 1 mi Foie oe a a L Js gt tn oT PMV g SWAT 1 oe rarer Dee oe a oge e ee aly PIPI AN A pba Toan ro COS S Fan output TCJ sensor HA T10 EXCT Remote controller inter unit cable TC1 sensor Tsensor mH f Used for Indoor Outdoor communication Optional output CHK f servicing Also used for communication of the Flap central control system Used only for 4 way Air TC2 sensor Indoor Outdoor communication Spare Discharge Cassette Type Under ceiling type Tel 01823 665660 So wb Due 20V ns6 sc A e Ka 0 368 C357 6 EEPROM R420 SG301 o F307 38 Say 1 Ss SOEND TAQ 3 ZONI NI OV 1 POENI Wr yaLyaH LOCNI Hdd Ee P301 cOVlL DOIN Power supply Optional power supply lt adA_ eM y H edAy uran apun adAL psepuejs nq pajyeeduo4 dA ayjassey abieyosig sry Aem p gt Remote controller po
15. Check miswiring of SVS SVD valves Tel 01823 665660 www heronhill co uk Fax 01823 665807 LoL Heronhill for all your Toshiba requirements Check code Detected Outdoor 7 segment display position Al NET central control remote controller Main remote controller Check code Sub code Check code name Error detection condition Check item position H16 H16 01 TK1 oil circuit system error d7 VF 02 TK2 oil circuit system error 03 TKS oil circuit system error 04 TK4 oil circuit system error Oil level detective circuit system error MG SW error OCR operation All stop Temperature change of TK1 Check TK1 sensor coming off could not be detected though e Check characteristics of TK1 sensor resistance value compressor 1 started the e Check TK1 TK2 TK3 and TK4 misconnection operation e Check operation error of SV3E valve e Check capillary clogging of oil equation circuit and operation error of stop valve e Check refrigerant stagnation in compressor e Check MG SW or OCR Temperature change of TK2 Check TK2 sensor coming off could not be detected though e Check characteristics of TK2 sensor resistance value compressor 2 started the e Check TK1 TK2 TK3 and TK4 misconnection operation e Check SV3E valve operation e Check capillary clogging of oil equalization circuit and check stop valve operation e Check refrigerant stagnation in compressor shell e Check
16. Correct cause of overload YES YES Is not it an abnormal overload NO Check IPDU P C board Note 1 After checking the output when connecting the compressor lead again to the compressor terminal check surely there is no distortion on the Fasten receptacle terminal If it is loosened caulk it with pinchers etc and then connect lead to the terminal firmly Tel 01823 665660 Take off lead cable of compressor 1 Check resistance between windings It is normal if there are 0 7Q to 0 9Q 2 Check insulation between outdoor cabinet and terminal It is normal if there are 10MQ or more Check code name YES Does OCR of MG SW operate ector connection Check code name YES Correct power line Reset OCR manually 3 NO Correct connector connection or wiring Correct cause of overload il Correct refrigerant stagnation in compressor shell Is case heater output normal NO Check case heater NO 2 Check the following items mainly 1 Existence of abnormal sound and abnormal vibration during operation or starting 2 Abnormal overheat of case during operation or stop time Never touch with hands 3 Current of compressor lead during operation or starting time No varied change of current change 3 If OCR operates even after manual reset of OCR check whether the wiring to the current sensor T02 of Comp IPDU is correct or not Ca
17. Normal cooling C Normal heating H Normal defrost J Outdoor unit HP 8HP 8 10HP 10 12HP 12 HP Compressor operation command No 1 compressor operation command is displayed Data display with Hexadecimal notation 00 to FF No 2 compressor operation command is displayed Data display with Hexadecimal notation 00 to FF lt SW04 gt push function Inverter frequency is exchanged to decimal notation 7 segment display A B H Normal display by pushing lt SW05 gt Outdoor fan step A FP B Step 0 to 31 0 to 31 Compressor backup A Displays No 1 compressor setup status Normal Backup setup C1 Displays No 2 compressor setup status Normal Backup setup C2 A B gt Control valve output data Displays control output status of solenoid valve 4 way valve ON Oo 4 way valve OFF SV2 ON SV5 OFF SV2 OFF SV5 ON SV3A ON SV3B OFF SV3C OFF SV3D OFF SV3A OFF SV3B ON SV3C OFF SV3D OFF SV3A OFF SV3B OFF SV3C ON SV3D OFF SV3A OFF SV3B OFF SV3C OFF SV3D ON SV41 ON SV42 OFF 10 SV41 OFF SV42 ON O11 V11 ON SV12 OFF ce J1 07e SV11 OFF SV12 ON arth Qe a Oo OTO O AJAJ ojw ojej v P ITE era S Sk PMV1 PMV2 opening Displays opening data Decimal Total opening
18. Remote Communication error between Corresponding Communication interrupted Check remote controller inter unit cable A B controller indoor and remote controller unit only stops between indoor PC board Check disconnection connector contact error Detected at remote controller side and remote controller Check indoor power supply Check indoor PC board error Check remote controller address setup When two remote controllers operate Check remote controller PC board E02 Remote Remote controller sending error Corresponding Signal could not be sent from Check the communication wire of remote controller Exchange remote controller unit only stops remote controller to indoor controller unit E03 97 Indoor unit Communication error between Corresponding No communication from Check remote controller and communication adapter wiring indoor and remote controller unit only stops remote controller including Detected at indoor side wireless and communication adapter E04 4 Indoor unit Indoor outdoor communication Corresponding Indoor unit does not receive Check power ON order of indoor outdoor Circuit error unit only stops communication from outdoor e Check indoor address setup Detected at indoor side unit e Check inter unit cabling between indoor and outdoor Check outdoor end terminal resistance setup SW30 2 E06 E06 No of indoor 4 Decreased number of indo
19. adaptor Option Color identification RED BLK WHITE GRY YELLOW PNK BLUE ORN BROWN GRN HE L9S0dYV HELSrOdV HELIEOdV HELOEOdV HEIZZ0dV GINN Hdl bZ0dv HELSLOdv HALSLOdY HALZLOdY HE 600dV Hat Z00dv CWIWN Wai i BLK Symbol Parts name So FM Fan motor i TA Indoor temp sensor j See a ee TC1 1C2 TCJ Indoor temp sensor j j t O indicates the terminal block letter at inside DM Drain pump motor i j indicates the terminal number FS Float switch EPERERA liesa 4 2 A dotted line and broken line indicate the wiring at site Drain pump control relay Wired remote Adapntof for wireg 3 indicates the control P C board Pulse Motor Valve Tel 01823 665660 www heronhill co uk Fax 01823 665807 add psepuels jong paeau p Z 8L Heronhill for all your Toshiba requirements Option TC1 Spark TA TCJ TC2 WHI 8 RED rt D Color DON N ay indication oF Vv yy ryn DP penyora LM PoTN QA QA Q EX RED RED ENO lt 000 000 GRN HX XA pp D X3JeN100 WHI WHITE CNOSS WHI QX XsJcnosa 1X XS CNo33 GX2X3 BRN yi LOW FS CN104 CN102 CN101 CN030 YEL RED BLK CN080 P59 BLK BLACK RED GRN AIPNL GRY GRAY PNK PINK ORN ORANGE O O RY002 RY001 ace EXCT BRW BROWN CN304 RY004 RY006 ne GR
20. lt Disassembling gt 1 Hold the both ends longitudinal direction of the rubber lightly and then make a margin between SUS band and fixing rubber 2 Pushing in the claw side of SUS band with fingers the claw comes off from the square hole Remarks Compress rubber and make margin Push in the band toward arrow mark lt Assembly gt 1 The fixing rubber is a segmentation system due to freedom degree of combination Therefore for assembly it is recommended to fit both pipes including the fixing rubber after passing the rubber through the pipes separately In this time check both slit direct the same direction Align the claw side of SUS band to slit side of the rubber for assembly Assembly in reverse direction is also available but the work performance decreases Attach the band so that a clearance does not generate between SUS band and fixing rubber Especially pay attention not to generate a clearance at part of the hair pin side of the band Fit the root of claw to the rubber lightly push R part at square hole side toward the arrow mark and then hook the claw to the square hole If it is not hooked recheck 3 there is no clearance between band and rubber 197 www heronhill co uk Align direction of the slits and then attach to each pipe Matching the claws slide them Align the claw to slit side of the rubber 2 a Slid
21. Push this button again to stop the air conditioner Tel 01823 665660 www heronhill co uk Fax 01823 665807 9 Heronhill for all your Toshiba requirements 3 11 Re Installation DANGER Ask the dealer or an installation professional to re install the air conditioner to a new place or move it to another place and to observe the following items If the air conditioner is inappropriately by installed by yourself it may cause electric shock or fire Do not install the air conditioner in the following places Do not install the air conditioner in any place within 1 m from a TV stereo or radio set If the unit is installed in such place noise transmitted from the air conditioner affects the operation of these appliances Do not install the air conditioner near a high frequency appliance sewing machine or massager for business use etc otherwise the air conditioner may malfunction Do not install the air conditioner in a humid or oily place or in a place where steam soot or corrosive gas is generated Do not install the air conditioner in a salty place such as seaside area Do not install the air conditioner in a place where a great deal of machine oil is used Do not install the air conditioner in a place where it is usually exposed to strong wind such as in seaside area or on the roof or upper floor of a building Do not install the air conditioner in a place where sulfureous gas generated such as in a spa Do not
22. unit earth i 2Y CNo2 i screw AS NASA y i rt mye i Closedend r i N 35i 7 CNOSIRED 4 RED connector i L LLL o L L MCC 1401 Indoor unit WHI ND Outdoor unit GeO Remote Controller earth screw Power supply single phase 220 240V 50Hz 220V 60Hz 1 Indicates the terminal bolock Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at side 3 indicate the control p c board Tel 01823 665660 Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GREEN www heronhill co uk Z Power supply circuit Sub P C board MCC 1520 A CN030 RED Control P C board BRW for undoor unit I PON CN082 ag CN104 PAA BLU ONNI PPD CN102 41 h RED F2 CN101 BLK CN100 CNO80 P GRN AQ cno73 K RED faf cNo70 41 WHI Fa CN081 pad BLK Ax CN032 CNO60 WHI WHI Parts name Fan motor Running capacitor Transformer TC1 TC2 TCJ Indoor temp sensor Temp sensor RY001 Louver control relay RY002 RY004 Drain control relay Heater control reley RY005 007 Hdl vz0dV HaL8LOdY HELSLOdV HALZLOdY HE 600dV HE 1Z00d V TWIN Fan motor control relay PMV Pulse motor valve Fax 01823 665807 adA
23. 1n0 9a IHM OOSN iy MGC 1439 05S COMPONENT SIDE CRON 206 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 16 2 5 Interface Board Replacement Procedure Manual This service board is commonly installed in different models before shipment If the board assembly is to be replaced check the displayed inspection contents and replace the board properly in accordance with the model following this procedure manual lt Replacement steps gt 1 Turn off the power supply of the outdoor control unit Turn off the power supply of the outdoor unit 2 Remove all of the connector and fasten and screw terminals connected to the interface board Remove the connector and fasten terminals by holding them 3 Remove the interface board from the six card edge spacers 4 Disconnect the jumper wires of the service board as instructed in the table below The jumper setting differs from the one before replacement If the model is not specified inspection code L10 is displayed and the equipment will not operate Model name Service P C board At shipment Yes Yes Yes MMY MAP0501H8 INV MMY MAP0501H7 INV Disconnect Leave intact Disconnect MMY MAP0601H8 INV MMY MAP0601H7 INV Leave intact Leave intact Disconnect MMY MAP0801H8 INV MMY MAP0801H7 INV Disconnect Disconnect Leave intact MMY MAP1001H8 INV
24. Check connection of Pd sensor connector was zero Sensor Open e Check Pd sensor error Pd gt 4 15MPa during stop of e Check outdoor PC board I F error compressor Indoor other error Corresponding unit only stops Indoor PC board did not operate normally e Check indoor P C board error EEPROM error Outdoor EEPROM error All stop 1 Outdoor PC board I F did not Check power voltage operate normally e Check power noise e Check outdoor PC board I F error 01 Compressor 1 side 02 Compressor 2 side Compressor breakdown All stop Inverter current detection circuit Check power voltage AC220 240V 10 detected over current and e Check compressor error stopped Check cause of abnormal overload operation e Check outdoor PC board IPDU error 01 Compressor 1 side 02 Compressor 2 side 1 All stop only in case of the header unit Tel 01823 665660 Compressor error lock MG SW error OCR operation The follower unit continues operation www heronhill co uk All stop Over current was detected e Check compressor error several seconds after header e Check power voltage AC380 10 415V 10 compressor had started Check cable of compressor and phase missing e Check connector terminal connection on IPDU PC board e Check conduction of case heater Check activation error due to liquid stagnation in compressor e Check outdoor PC board
25. Compressor does not operate Is not delayed for 3 minutes 3 minutes after compressor OFF Is not thermostat OFF Is not the fan operating or timer Is not the system initially communicating Heating operation cannot be performed under condition of outside tempera ture 21 C or higher Cooling operation cannot be performed under condition of outside tempera ture 5 C or lower Indoor fan does not work Is not the cold draft prevention being controlled in heating operation Outdoor fan does not rotate or Is not low cooling operation being controlled fan speed changes Is not a defrost operation being performed Indoor fan does not stop Is not after heat elimination operation being controlled after heating opera tion Start stop operation on remote Is not auxiliary unit or remote control being operated controller is unavailable e Is connecting wire of indoor unit or remote controller correct 2 Troubleshooting procedure When a trouble occurred advance the check operation in the following procedure Check the check display et Trouble on the interface P C board alias apii or part of the outdoor unit In which trouble occurred NOTE While a check operation is performed a malfunction of the microprocessor may be caused due to condition of the power supply or the external noise If there is any noise source change wires of the remote controller and signal wires to shield wires
26. Heronhill for all your Toshiba requirements 3 9 Automatic Operation Auto Changeover 3 10 TIMER Operation When you set the air conditioner in mode or switch over from AUTO operation because of some settings A type of timer operation can be selected from the following three types change it will automatically select either cooling heating or fan only operation depending on the indoor tem OFF timer The operation stops when the time of timer has reached the set time perature Repeat OFF timer Every time the operation stops after the set time has passed ON timer The operation starts when the time of timer has reached the set time Timer operation Start gt CG gt 1 button 7 Push TIMER SET button DO Push this button to start the air conditioner The timer display type changes for every push of the button OFF timer Repeat OFF timer ON timer 2 Mode select button MODE SET DATA and display flashes No display Select Auto 3 2 a Temperature button Push 2 to select SET TIME Set the desired temperature For every push of button the set time increases in the unit of 0 5 hr 30 minutes e In case of cooling start the operation after approx 1 minute The maximum set time is 72 0 hr In case of heating the operation mode is selected in accordance with the room temper
27. Removed compressor mass kg 23 5 x 1042 Specific gravity of oil 1042 cc kg NOTE When the compressor holds no oil the compressor mass is 23 5kg lt Adjustment of oil amount in the service compressor gt e Adjust oil amount by the contents below Based on oil amount of troubled compressor A cc and oil amount of normal compressor B cc 1 In case of the total oil amount of the compressors A B cc is 0 lt A B lt 2000 1 Adjust oil amount in the two service compressors to 1000cc each Total 2000cc e Lay down the two service compressors and then extract oil by 900 cc from each oil equalization pipe NOTE e Do not extract oil over 900 cc because a trouble may be caused on the compressor If oil amount of the troubled compressor is below 500cc a trouble on the oil equalization circuit etc is considered Check the compressor based upon 14 3 Check procedure search the cause of com pressor oil shortage 2 In case of total oil amount A B cc is 2000 lt A B lt 3800 1 Adjust oil amount in the two service compressors to A B cc each e Lay down the two service compressors and then extract oil by 3800 2 A B cc from each oil equalization pipe 3 In case of total oil amount of the compressors A B cc is 3800 lt A 1 Adjust oil amount in the two service compressors to a cc each Insert a hose into the discharge pipe or
28. Stops collectively indoor units The control contents are accepted during trailing of the input signal The status of trailing should be held for 100mm sec or more NOTES 1 Do not turn on COOL and HEAT terminals concurrently 2 Be sure to prepare a contact for each terminal Outside signal No voltage pulse contact External master ON OFF control board TCB PCMO 2E Outdoor unit destination to be connected becomes the header outdoor unit U1 Procured locally SMC Input signal for start SMH Input signal for stop 76 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 2 2 5 Night Operation Control Operation The noise decreases in the night Header outdoor unit interface P C board Terminal Input signal Operation El CN508 4P RED Night sound reduction operation control Connection cable External master Usual operation control board The control contents are accepted during leading and trailing of the input signal The status of leading and trailing should be held for 100mm sec or more Capacity criterion during night operation control Capacity during control indicates values as described in the following table Night operation sound Capacity reduction dB A COOL HEAT 1201 type Approx 55 Approx 45 1001 type Approx 65 Approx 55 0801 type Approx 80 Approx 70 Proc
29. The temperature or the operation status of the remote controller indoor unit or each sensor of the outdoor unit can be known by calling up the service monitor mode from the remote controller Procedure E buttons simultaneously for 4 seconds or more to call up the service monitor mode The service monitor goes on and tempera grek n FAILI lt 7 Wh ture of the item code is firstly displayed 2 Push the temperature setup a J C_v_ buttons to select the item number Item code to be monitored For displayed codes refer to the table below Q _UNIT_ button to change the item to one to be monitored Then monitor the indoor unit and sensor temperature or operation status in the Operation procedure eoptesnoueing refrigerant line 1 2 3 4 4 Pushing F button returns the display to the normal display Returns to the normal display Display Data name Display Data name format format Room temp During control Compressor 1 discharge temp Td1 Compressor 2 discharge temp Td2 Room temp Remote controller High pressure sensor detention Indoor suction temp TA pressure Pd Low pressure sensor detention Indoor coil temp TCJ pressure Ps Suction temp TS Indoor coil temp TC2 Outdoor heat exchanger temp TE paper colltemp Tel Temp at liqui
30. creaa of Sve creat Abnormal Check leakage of SV6 circuit Replace defective parts Q Start test operation in COOL or HEAT mode Normal g Check whether there is setup missing Abnormal e oe DN OF operation mode After operation for several minutes check the pipe temperature at the secondary side of SV3E valve whether of cooling only indoor unit Cooling only operation mode 0001 temperature changes or not If it is equivalent to outside temperature clogging of SV3E is considered Normal in the figure lt NO Reference ici If SV3E valve is clogged temperature of all TK1 TK2 TK3 and TK4 do not change Characteristics 4 YES Y 2 Clogging check for SV3D valve of oil return circuit from oil separator a Oil return circuit While outdoor unit is operating check temperature secondary side of capillary on oil return circuit in the figure If temperature is low equivalent to suction temperature a clogging of strainer of oil return circuit or capillary is considered Repair the clogged part Abnormal Check gas leak of outdoor unit Check oil stain in the Specify a position where gas leaked and repair it Recharge refill oil NO 7 Repair the flow selector unit machine room of outdoor unit Normal YES Is the flow selector unit normal 1 Check leakage of b Clogging check for SV3D valve heck lati f i SV z ii a i rofrigatart compie sk
31. d Support Draw out it backward Draw out forward in case of left side of the heat exchanger Fax 01823 665807 Part to be exchanged Helnverter assembly Removal of box Heronhill for all your Toshiba requirements Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc 1 Stop operation of the air conditioner and then turn off switch of the breaker 2 Take off the inverter cover M4 x 10 2 pcs 3 Take off screws fixing the box 1 pc each at upper and lower sides 4 Push down lightly the fixing claw at lower side to take off the claw Lower part of the box is out forward 5 Take off hooking claw at upper side while holding the ceiling board with both hands Remarks lt Reassembly and cautions gt 1 Hook the upper claw 2 Push in the lower part Be sure to check there is no pinching of cable at the corners of the rear side 3 Tighten the fixing screws at upper and lower sides 1 pc each at upper lower part 192 Tel 01823 665660 www heronhill co uk 2 When pushing in the lower part be sure to check there is no thinness of cable Fax 01823 665807 Part to be exchanged Inverter assembly Removal of PC board and electric parts Noise filter PC board Interface P C board Heronhill for all your Toshiba requirements Work procedure REQUIREMENT Put on gloves during
32. 107 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 2 Check Method On the remote controller Main remote controller Central control remote controller and the interface P C board of the outdoor unit a check display LCD Remote controller or 7 segment display on the outdoor interface P C board to display the operation is provided Therefore the operation status can be known Using this self diagno sis function a trouble or position with trouble of the air conditioner can be found as shown in the table below Check code list The following list shows each check code Find the check contents from the list according to part to be checked e In case of check from indoor remote controller See Main remote controller display in the list e In case of check from outdoor unit See Outdoor 7 segment display in the list e In case of check from AI NET central control remote controller See Al NET central control display in the list e In case of check from indoor unit with wireless remote controller See Sensor block display of receiving unit in the list IPDU Intelligent Power Drive Unit O Lighting amp Flashing Goes off ALT Flashing is alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Check code Wireless remote controller Sensor block display AI NET central of receiving unit Check co
33. 15 to 18V usually Fax 01823 665807 Heronhill for all your Toshiba requirements 8 5 4 In check for No of connected outdoor units and connected Indoor units after address setup diminished No of connected units displayed There are outdoor indoor units which do not operate in a test operation Status Number of connected indoor units is short Miswiring of communication line between indoor units or unconnected cable Fig 3 Address setup operation has finished without recognition of miswired indoor unit Countermeasures After modification of wiring set up address again and check No of the connected indoor units Number of outdoor units connected to group is short in group operation from remote controller Remote controller is not connected with wire Miscabling of remote controller Using the main remote controller connected to a group start a test operation specify the unit which does not operate Unit uncon nected to group and then check wiring Remote controller communication circuit error If 230V is incorrectly applied to the remote controller terminal the remote controller communication circuit fails lt Miswiring example gt Fig 1 Remote controller status No response Remote controller status No response Fig 3 Outdoor unit 7 segment display Outdoor unit 7 segment display Using the main remote controller connected to a group star
34. Available Wired remote controller Smudging proof 0000 Clear 4 way Air Discharge control clear Cassette type only Outside interlock 0000 Operation stop 0001 Release communication signal 0000 Operation stop release condition receive 66 Tel 01823 665660 www heronhill co uk Fax 01823 665807 TYPE Item code 10 Setup data Heronhill for all your Toshiba requirements 1 way Air Discharge Cassette Abbreviated Model name MMU AP XXX SH 4 way Air Discharge Cassette MMU AP XXX H 2 way Air Discharge Cassette MMU AP XXX WH 1 way Air Discharge Cassette Compact type MMU AP XXX YH Concealed Duct Standard MMD AP XXX BH Concealed Duct High Static Pressure MMD AP XXX H Under Ceiling MMC AP XXX H High Wall MMK AP XXX H Floor Standing Cabinet MML AP XXX H Floor Standing Concealed MML AP XXX BH Floor Standing MMF AP XXX H Indoor unit capacity Item code 11 Setup data Model Tel 01823 665660 67 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 1 2 How to Set Up the Cooling Only Indoor Unit When setting the specific indoor unit to Cooling Only unit without connecting to the flow selector unit setup to the indoor unit to become the Cooling Only unit is necessary Perform setup in the following procedure Se
35. Close fully passed when setup has finished the opening automatically returns to the normal opening 8 7 5 Pulse Motor Valve PMV Forced Open Fully Close fully Function in Outdoor Unit This function is provided to forcedly open or close fully P M V PMV1 PMV2 PMV3 used in the outdoor unit for 2 minutes Open fully Operating method Short circuit for CN30 on the outdoor interface Select one of PMV1 or PMV2 to open Turn SW12 PC board bit 1 to OFF when handling PMV1 PMV2 and turn it to ON when selecting PMV3 Close fully Short circuit for CN31 on the outdoor interface lt Enlarged diagram of switch position gt PC board i ETA Clear ered id ba pci mT After 2 minutes the opening returns to the aale a a I T Ms 7 normal opening Be sure to remove the short circuited as short pin etc after confirmation OFF PMV1 PMV2 on Ni aii 1 101 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 6 Solenoid Valve Forced Open Close Function in Outdoor Unit This function is provided to forcedly open each solenoid valve mounted in the outdoor unit by the switch opera tion on the interface PC board in the outdoor unit to using this function check there is no refrigerant clogging with ON OFF operation of the solenoid valve Operation 1 Set the switch on the interface PC board SW01 to 2 SW02 to 1 SW03 to 3 2 When H r
36. Compressor 1 side 02 Compressor 2 side Correct power line Check external noise etc Check code name Check code name Cause of operation Compressor error Lock Outdoor unit power line error Compressor circuit system error Compressor error Refrigerant stagnation in compressor shell IPDU P C board error Sub code 01 Compressor 1 side 02 Compressor 2 side Is power voltage of NO outdoor unit normal 1 1 380 415V 10 YES Does voltage drop occur 7 when other compressor starts Outdoor unit power line error Compressor circuit system error NO Compressor error Cause of abnormal overload operation IPDU PC board error NO Is wiring or conn on IPDU P C board normal YES YES Is not it an abnormal overload NO Is power voltage of outdoor unit normal 380 415V 10 YES NO Is there no refrigerant stagnation in compressor shell Does voltage drop occur YES when other compressor starts NO NO Is connection of wiring or connection of Correct power line NO Operation starts connector on IPDU P C board normal YES Is winding resistance NO Correct connector connection or wiring Is compressor normal 2 YES Compressor error Check IPDU P C board between phases of corresponding compressor normal Note 1 Motor burning etc _
37. Connection error of communication line between IPDU and I F P C board I F P C board error IPDU P C board error External noise Sub code 01 IPDU1 error 03 IPDU1 2 error 04 Fan IPDU error 05 IPDU1 fan IPDU error 06 IPDU2 fan IPDU error 07 All IPDU error or communication line error between IPDU I F P C boards or outdoor I F P C board error 02 IPDU2 error If the fan IPDU is abnormal be sure to check the voltage output on the fan power supply P C board Is jumper lead setup of the outdoor I F P C board correct F Jumper 7 8 9 ON Connect the jumper lead YES Are communication connectors YES between I F fan power supply board Correct connection of connectors Replace communication line and IPDU connected NO Is there no disconnection of communication line between I F fan power supply board and IPDU NO Is there voltage deflection between 4 and 5 pins of CN600 on I F P C board Measurement with tester DC 0 to 5V 5 pin GND I F P C board error Is there voltage deflection between 3 and 5 pins of CN600 on I F P C board Measurement with tester DC 0 to 5V 5 pin GND IPDU P C board error When IPDU No 1 No 2 and three fan IPDU do not return communication On the fan power supply P C board 1 CN503 Between 1 and 5 pins gt 12V 2 CN503 Between 2 and 5 pins gt 7V 3 Between 5V and GND at the side of CN505
38. I F error TE1 sensor All stop Resistance value of sensor is Check connection of TE1 sensor connector error nfinite or zero Open Short e Check characteristics of TE1 sensor resistance value Check outdoor PC board I F error TL sensor error All stop Resistance value of sensor is Check connection of TL sensor connector nfinite or zero Open Short e Check characteristics of TL sensor resistance value Check outdoor PC board I F error TO sensor All stop Resistance value of sensor is e Check connection of TO sensor connector error nfinite or zero Open Short e Check characteristics of TO sensor resistance value Check outdoor PC board I F error Indoor Indoor TA Corresponding Resistance value of sensor is e Check connection cabling of TA sensor connector sensor error unit only stops infinite or zero Open Short Check characteristics of TA sensor resistance value Check indoor P C board error TS1 TS2 All stop Resistance value of sensor is Check connection of TS1 or TS2 sensor connector sensor error nfinite or zero Open Short e Check characteristics of TS1 TS2 sensor resistance value Check outdoor PC board I F error Tel 01823 665660 www heronhill co uk Fax 01823 665807 8L Check code Outdoor 7 segment display central control controller Check code Sub code 01 Compressor 1 side 02 Compressor 2 side remote cont
39. MMY MAP1001H7 INV Leave intact Disconnect Leave intact MMY MAP1201H8 INV MMY MAP1201H7 INV Disconnect Leave intact 5 Set dip switch settings of the service board to the switch settings before replacement Dip Switch Setting contents Demand setting Outdoor fan high static pressure setting etc Cooling Heating priority setting etc System address setting Terminating resistance setting Leave intact 6 After setting the jumper wires of the service board install the service board in the outdoor control unit Confirm that it is securely fixed to the card edge spacers 7 Connect the connector and fasten terminals Confirm that they are correctly and securely inserted 8 If a component part on the board is bent during board replacement adjust it manually not to contact other parts 9 Install the cover then turn on the power supply Check the operation Jumper wire replacement place J09 10 11 Tel 01823 665660 O www heronhill co uk IC300 1C301 CN311 CN314 Fax 01823 665807 Heronhill for all your Toshiba requirements 16 2 6 Comp IPDU Board Replacement Procedure Manual This service board is commonly installed in different models before shipment If th
40. MPa 9 7 2 Indoor Unit m Temperature sensor characteristics Characteristic 1 40 200 20 Indoor TA sensor T aran Characteristic 2 Ke 30 5 150 2 gg Ww a2 2 20 100 os g go 2 9 2O g S go oc QD cou 10 a 50 cc 0 0 10 20 30 40 50 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature C Temperature C 158 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 8 Pressure Sensor Output Check 9 8 1 Outdoor Unit E Pd sensor characteristics 0 to 4 41MPa 0 5 to 5V output with 0 to 4 41MPa Voltage check between CN501 and pins on the outdoor unit I F P C board Tester rod at pin side 159 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements E Ps sensor characteristics 0 to 1 48MPa 0 5 to 5V output with 0 to 1 48MPa Voltage check between CN500 and pins on the outdoor unit I F P C board Tester rod at pin side 160 Tel 01823 665660 www heronhill co uk Fax 01823 665807 LOL Heronhill for all your Tos
41. Sub code No of indoor units with priority When indoor unit with priority is duplicated this check code is displayed on the unit other than the setup indoor unit and outdoor unit As only one indoor unit with priority is valid change the setup Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Check code name Check code name Cause of operation L07 99 Group line in individual indoor unit The group line is connected in the L09 46 Indoor capacity unset Indoor capacity unset d07 Al NET individual indoor unit d07 Al NET Check setup item code Is there group cabling DN 12 13 and 14 addresses NO There is individual indoor unit Item code D1 12 Line address A Are capacity setups Set up capacity data of indoor unit Item code D2 13 Indoor address x 2 h nd Item code D3 14 Group address of indoor units unset Setup item code DN 11 NO Check indoor P C board Correct indoor group address Defect gt Replace Check code name Check code name Cause of operation L10 88 Outdoor capacity unset On the outdoor IF PC board for service the d07 AIl NET model selecting jumper has not been set up so as to match with the model YES Check indoor P C board Failure gt Replace Check code name Check code name Cause of operation I F P
42. YEL WHI WHI VA VAPA VA VAY AVA VIA XXS RC 080000 RLA CELUS CJ HEXLXXsXe GX X3 T10 FAN OPTION PiSu A e aa eA e a A A Sole te DRIVE a i CN02 fon SIE S EE y Network Adapter CiK2V3r4V5re YED X Option 7 i Sub P C board MCC 1520 Flow selector a Gens a es aa A unit earth 1 000000 WH Screw s0000 Line Filteri 38 gs OOOO RED Closed end i TR FM indoor unit connector i BALILIN RC earth screw WHI i Power supply single phase 220 240V 50Hz 220V 60Hz Outdoor unit Tel 01823 665660 1 Indicates the terminal bolock Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at side 3 indicate the control p c board Indoor temp sensor TC1 TC2 TCJ Temp sensor RY001 Louver control relay RY002 Drain control relay RY004 Heater control relay RY005 007 Fan motor control relay www heronhill co uk PMV Pulse motor valve Fax 01823 665807 adA_ Joulqed Bulpuejs 10014 8 1 2 ce Heronhill for all your Toshiba requirements For AP0071BH AP0091BH AP0121BH RY002 RY006 RY005 O o MCC 1403 i i it it it o tt SRT 4 Network 11 a a a a a a a a Maca adapter loo Option n P9727 TIITA ni E CNO1 WHI it Flow selector 3X3 Mi
43. and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Check codename code name Check code name Cause of operation F08 1b TO sensor error TO sensor Open Short d07 AIl NET This error code means detection of Open Short of TO sensor Check disconnection of circuit for connection of connector TO sensor CN507 Yellow and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Tel 01823 665660 www heronhill co uk Check code name F13 43 d07 Al NET Check code name Cause of operation IGBT built in sensor error in A3 IPDU Sub code 01 Compressor 1 side 02 Compressor 2 side This error code means IGBT built in temperature sensor error Check connection of connectors CNO6 on IPDU P C board and CN600 on I F P C board If sensor is normal replace IPDU P C board Fax 01823 665807 9El Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Outdoor temp sensor miscabling TE1 TL F15 18 d07 Al NET Misinstallation and misconnection of TE1 sensor and TL sensor Resistance characteristics error of TE1 sensor and TL sensor Outdoor P C board I F error NO Correct installed
44. board of the outdoor unit SW01 to 2 Sw02 to 7 and SWO3 to 1 respectively CH is displayed on 7 segment display A Push SW04 on the interface P C board of the outdoor unit for 2 seconds or more Operation check If the discharge temperature does not change though COOL or HEAT has been set up from the p remote controller misconnection is considered Push the push switch SWO5 on the interface P C board of the S outdoor unit for 2 seconds or more 2 PTT top After test operation return the rotary switches SW01 SW02 and SW03 on the interface P C board of the outdoor unitto End 1 1 1 respectively 96 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 4 Individual start stop ON OFF individual test operation function This function is provided to start stop ON OFF individually each indoor unit connected to the same system by using switches on the interface board of the outdoor unit Set SW01 16 and set SW02 SW03 to indoor address No 1 to 64 to be started Refer to the following table only the setup indoor unit starts operation In the rotary switches of the indoor unit which operates in a group by the remote controller the follower unit cannot be individually started or stopped In this case is displayed on 7 segment display B on the interface P C board of the outdoor unit lt Operation procedure gt Be
45. e No of connected indoor units are more than 48 units Note If this code appears after backup setup of outdoor unit trouble set up No capacity over detection lt Setup method of No capacity over detection gt Turn on SWO9 Bit 2 on I F PC board of outdoor header unit e Check the connection capacity of indoor unit e Check the HP capacity of indoor unit e Check the indoor outdoor capacity setup e Check the No of connected indoor units e Check the outdoor I F PC board error Indoor unit Communication error between indoor header and follower units Corresponding unit only stops Regular communication between indoor header and follower units e Check cable of the remote controller e Check power cabling of indoor e Check PC board of indoor No header unit Two or more header units VF Outdoor unit quantity error All stop e There are multiple outdoor units in 1 line e There is none of outdoor unit in 1 line The outdoor unit connected with communication cable between indoor and outdoor U1 U2 is the outdoor unit e Check connection of communication line between indoor and outdoor e Check outdoor PC board I F error Connection of outdoor of other line Connection of indoor of other line Other line unit connected during automatic address All stop Unit of other line was connected when indoor automatic address started Separate the cable be
46. e Turn on power of the outdoor unit e Confirm that Bit 1 of SW12 is OFF e Short CN30 on I F PC board of the outdoor unit Turn off power of the outdoor unit within 2 minutes after short circuiting lt Refrigerant charging gt Add the same amount of refrigerant as the remaining refrigerant refrigerant from the charge port of the service valve at liquid side 186 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 14 3 Check Procedure to Search the Cause of Compressor Oil Shortage Correct miscabling or incorrect NO installation at sensor installation TK1 CN514 TK2 CN515 TK3 CN516 TK4 CN523 Sensor error Exchange Is there no coming off miscabling or incorrect installation on sensors of the unit of which compressor has been replaced Is TK1 TK2 TK3 or TK4 sensor characteristics of the unit of which compressor has been replaced correct Check oil equalization circuit in the following procedure under condition that the compressor is removed Check items and procedure for the oil equalization circuit under condition that the compres sor is removed Check items Position Procedure Outdoor PMV1 2 3 1 Press nitrogen gas in from check joint of liquid pipe and check pressure at leakage check joint of discharge pipe Check valve leakage of If pressure of check joint of discharge pipe becomes high leakages from main discharge pipe
47. flash to U 1 U 1 light the outdoor For internal For wiring of P wiring between central Control Unused in indoor and system this model outdoor setup finished 7 Procedure 4 to 6 are repeated in other refrigerant lines Tel 01823 665660 www heronhill co uk Fax 01823 665807 c8 8 How to set up resistance of the end terminal When all the address setups have finished in the same refriger ant circuit system put the terminator resistor in the same central control line into one e Remain only SW30 2 of the outdoor unit with the least refrigerant line address number as it is ON With end terminal resistance e Set up SW30 2 of the other outdoor units to OFF Without terminator resistor 9 Connect the relay connector between U1U2 and U3U4 of the outdoor unit for each refrigerant line 10 Then set up the central control address Heronhill for all your Toshiba requirements 7 Outdoor unit interface P C board woud swt aida woud Saalai SW06 Swo7 SW08 SW09 SW10 For the central control address setup refer to the Installation manual of the central control devices 2 U3 U4 u1 u2 JUS Before address y setup _ al a
48. is displayed in 7 segment display A keep pushing the switch SW04 for 2 seconds or more 3 From when 2 is displayed in 7 segment display B SV2 is turned on 4 After then ON and OFF of each solenoid valve are exchanged by changing the setup number of the switch SW02 ON OFF output pattern of each solenoid valve is as below NOTE 1 Display in 7 segment display B is exchanged just when the number of SW02 has been changed on the other hand the solenoid valve output is exchanged when SW02 has kept with the same number for 5 seconds or more NOTE 2 The mark O in the table indicates the corresponding solenoid valve is forcedly turned on NOTE 3 The mark in the table indicates ON OFF of the solenoid valve is controlled based upon the specifications of the air conditioner NOTE 4 The mark X in the table indicates the corresponding solenoid valve is forcedly turned off with this operation NOTE 5 The case heater outputs heat air for both compressor and accumulator heaters 7 segment display Operation pattern of solenoid valve Case SV11 SV12 SV41 SV42 SV3A SV3B heater O O ojoo INIDJ AJAJ OJN Oo OJO O xX O O OJSO O OJ O O O O O OJO OJSOJSO O OJSO OJ OJ O O O O O Clear Return numbers of SW01 SW02 and SWO3 on the interface P C board to 1 1 1 each NOTE As this function is not bas
49. x P za ek x P Oil level judgment status oL lt SW05 gt push SW function The following data is displayed for 2 seconds During oil shortage in compressor 1 L during oil shortage in compressor 2 L Initial display Oil level judgment result A Judgment result of compressor 1 in compressor 2 in 0 Normal 1 2 Shortage is displayed 155 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 Data display of outdoor cycle Displayed on each outdoor unit Display contents Pd pressure data Pd pressure MPaG is displayed with decimal data MPaG Approx 1 10 value of kg cm G data Ps pressure data Ps pressure MPaG is displayed with decimal data PL pressure conversion data Estimated pressure of liquid line MPaG is displayed with decimal data TD1 sensor data Temperature sensor data C is displayed Symbol with decimal notation Data e Symbol display for 1 sec and data display for 3 sec are TD2 sensor data alternately displayed Symbol e Data is displayed in Data TS1 sensor data Negative data is displayed as Symbol Data TS2 sensor data Symbol Data TE sensor data Symbol Data TL sensor data Symbol Data TO sensor data Symbol Data TK1 sensor data Symbol Data TK2 sensor data Symbol Data TK3 sensor data Symbol Data TK
50. 01823 665807 el Heronhill for all your Toshiba requirements WVESVIG DNIYIM Z DM Drain pump motor FS Float switch Drain control relay Pulse Motor Valve WHI WHITE GRY GRAY YEL YELLOW PNK PINK BLU BLUE ORN ORANGE BROWN GRN GREEN Z N N O umu Q m om oO _ a aA II ERA iyetayay Jog gape dds td itd bed td Zz A 5 a7 IEA ERL I ELUR wE i ii 000000 MES S s Pea pent ies JN tt ccoo w EE A ELT oyee CIIIS onoo Spe 0 i Cojo 0E 0o ToLo 000ON 00000L Ip Y oo Z 09 RY302 CN104 Fac NO bas YEL PA ap yo o gt paai i CN102 OONA II 5 o ot Motor drive RED T2 emp re Se RY303 circuit TOJ DDO Gry B oof oa SF SF Fuge Fuse Indoor control P C board BLK eke oo ov T6 3A T3 15A MCC 1402 oo TC2 Q te RED pwn 250V 250V CN1007P5 41 On CN67P DO s af Thame INOM Power SBeisy BRN 2h Cayo 0 BLK ee pon gt supply opciav 99 II Ya circuit 5DC7V Mrs O WHI 5A 7 z y P301 CN80 Sim gt gt D BLK GRN P4 uU 5 Flow selector K3 oo unit earth en LT Q O screw CN66 CN73 KJexcT OOO WHI 24 RED 2 22 0 _oRED II o CN44 CN50 CN32 CN61 CN60 CN81 CN40 CN41 CN309 CN20 CN70 KJ Fiter in ut WHI p T Indoor unit 4 closedend HN 2 WHI WHI YEL WHI BLK BLU BLU YEL BLU whi Z2 gt D 5 co
51. 2 e Check clogging of indoor outdoor heat exchangers e Check air short circuiting in outdoor unit e Check clogging of SV2 circuit e Check outdoor PC board I F error e Check indoor fan system error Cause of air volume decrease e Check valve opening of indoor PMV e Check miscabling of communication line between indoor and outdoor e Check operation error of check valve of discharge pipe e Check circuit of gas balance SV4 valve e Check mispiping of discharge gas suction gas main pipe e Check operation error of check valve of discharge gas pipe e Check circuit of SV11 valve Clogging OFF at one side only e Check clogging of circuit at auxiliary heat exchanger side Miswiring Disconnection Wiring missing e Check Flow selector unit Check leakage of SVD valve and operation error Check wiring inside of FS unit SVD SVS coil miswiring etc Check wiring between FS unit and indoor unit Miswiring Disconnection Wiring missing e Check circuit of SV5 valve e Check refrigerant overcharge Fax 01823 665807 Check code Outdoor 7 segment display Main remote controller Check code Sub code IGBT shortage Position detection circuit error Motor lock error Motor current error detection TH sensor temp error TH sensor error Vdc error 9c AI NET central control remote controller Heronhill for all your Toshiba requirements Detected position FAN IPDU Check code name Out
52. 200 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Method 2 Before exchange it is impossible to read out the setup contents due to EEPROM error Exchange of PC board for service amp power ON Procedure 2 4 Writing in of the setup data such as the model name capacity code indoor unit address high ceiling setup connection setup of option etc to EEPROM based upon customer s information Procedure 3 4 Power supply reset All the indoor units connected to the remote controller in case of group operation control Procedure 1 Readout setup contents from EEPROM Contents of EEPROM with setup changed at local site include setup at shipment from the factory are read out 1 Push buttons simultaneously for 4 seconds or more 1 In a group operation control the firstly displayed unit No indicates the header indoor unit No In this case is displayed in the item code DN The fan of the selected indoor unit operates and also starts swinging in a model with flap 2 Every pushing the indoor unit Nos in the group control are displayed successively 2 Specify the indoor unit No to be exchanged The fan of the selected indoor unit operates and also starts swinging in a model with flap 3 Using temperature setup Ca J C Y buttons the item code DN can be moved up down one by one 3 4 First change the item code DN from amp amp Setup of filter sign lig
53. 5 seconds and the error is completely cleared A B Er CL 7 segment display B 3 Clearing of error check code by power reset This function is provided to clear error in a refrigerant circuit system by resetting the power of all the outdoor and the indoor units Restart of error detection As same as the clearing method on the interface P C board errors of both the outdoor and the indoor units are once cleared lt Method gt 1 Be sure to reset power of both the outdoor and the indoor units NOTE After power reset it requires usually 3 minutes to power on due to the initial communication of the system In same cases it requires Max 10 minutes 99 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 3 Remote Controller Distinction Function This function is provided to distinguish the remote controller connected from the outdoor unit to the indoor unit for a refrigerant circuit system using switches on the interface P C board of the outdoor unit lt Distinction procedure gt Set the display select switches on the interface P C board of the outdoor unit as follows SWO01 gt 2 SW02 gt 4 swo3 gt 1 Push the push switch SW04 on the interface P C board of the outdoor unit for 2 seconds or more F display of the connected remote controller flashes Push the push switch SW05 on the interface P C board of the o
54. AA A 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door I Outdoor unit Refrigerant piping Lif Indoor unit If an indoor unit is installed in each partitioned room and the refrigerant tubing is interconnected the smallest room of course becomes the object But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next smallest room becomes the object Refrigerant piping Outdoor unit Indoor unit Large room Mechanical ventilation device Gas leak detector NOTE 3 The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7m high Range below the density limit of 0 3 kg m8 countermeasures not needed a 3 gt w a wo oO i o De oO Range above the density limit of 0 3 kg m countermeasures needed Min indoor floor area 10 20 30 Total amount of refrigerant kg Fax 01823 665807 Heronhill for all your Toshiba requirements CONTENTS SAFETY GAUTION sarispeseetettncaceata tees seetha hane daea aranana eieae iaasa dadeau deyi aka 4 1 OUTLINE
55. C board A ssy service for the outdoor unit is common to this series A setup for model selection different from L08 99 Indoor group address unset Indoor address unset that for PC board with trouble is necessary Set up a model based upon the P C board A ssy exchange procedure d07 Al NET Check code name Check code name Cause of operation N Are powers of all the g door units turned on a Turn on the power of indoor units L18 8A Flow selector unit system error An indoor unit which has been operated in d07 Al NET cooling only mode is operated in heating mode YES without setup for cooling only mode Disconnect connectors between U1 U2 and U3 U4 Set up All cooling mode Item code DN OF Cooling only operation mode 0001 Did set up All cooling to All cooling indoor unit Turn on the power of outdoor unit again YES Clear addresses Refer to Address clear Check flow selector unit Re execute address setup Refer to Address setup Check codename code name Check code name Cause of operation J io p A A A F L20 98 Duplicated central Central control addresses are duplicated Note This code is displayed when the power is turned on at the first time after installation d07 AI NET control addresses Because the address is not yet set up YES Correct the network address of the central control system gt Check the netw
56. CN41 MCC 1403 JP001 CN041 From the left CN112 111 110 When short circuited plug is mounted to P C board before change re mount the short circuited plug as previons 2 Itis necessary to set Indoor unit to be exchanged Remote controller 1 1 Based upon the system configuration turn on power of the indoor unit with one of the following items 1 Single Individual operation Turn on power of the indoor units and proceed to Procedure 3 Group operation A In case that power of the exchanged indoor unit only can be turned on Turn on power of the exchanged indoor unit only and proceed to Procedure 3 B In case that power of the indoor units cannot be turned on individually Case 1 a Remove temporarily the group wire connected to the terminal blocks A and B of the exchanged indoor unit b After connecting the remote controller wire only to the removed terminal block turn on power of the indoor units and proceed to Procedure 3 When the above methods cannot be used follow to the two cases below C In case that power of the indoor units cannot be turned on individually Case 2 a Remove all CN41 connectors of the indoor units in the same group except those of the exchanged indoor unit b Turn on power of the indoor units and proceed to Procedure 3 After Procedure 3 operatio
57. Criteria Between Red and White 360V to 520V Between White and Black 360V to 520V Between Black and Red 360V to 520V After check of output sufficiently check there is no distortion on the fasten terminals when reconnecting the compressor lead to the compressor terminals If any distortion is found caulk the fasten terminal with pliers etc and then connect it lt How to check resistance or compressor winding gt 1 Turn off the power supply 2 Remove the compressor lead from the compressor 3 Using a tester check the winding resistance between each phases of each compressor and resistance of the outdoor cabinet e Is not grounded It is normal if there are 10MQ or more e Is not short circuited between windings gt It is normal if there are 0 1Q to 0 3Q Use a precise digital tester 16 2 3 How to Check Outdoor Fan Motor 1 Turn off the power supply 2 Remove three fasten terminals U V W of the fan motor from IPDU PC board for the outdoor fan 3 Turn the fan with hands If it is not turned a fan motor error Lock is considered Replace the fan motor with a new one When it is turned measure the winding resistance between each phases of the fasten terminal motor winding with a tester It is normal if the winding resistance between phases are 13 to 33Q Use a precise digital tester Part name Procedure Outdoor fan motor Measure resistance of each winding with a tester Red U 13
58. DN 40 Fan output DC12V Output Shipment setup ON with indoor unit operation and OFF with stop are linked Single operation by FAN button on remote controller is set up from remote controller DN 31 ON OFF input HA ON OFF input J01 YES NO Pulse At shipment Static input select OV COM Main prohibition input Operation stop of main remote controller is permitted prohibited by input Operation output ON during operation Answerback of HA DC12V COM Alarm output ON during alarm output Option output DC12V COM Defrost output ON when outdoor unit is defrosted Thermo ON output ON during Real thermostat ON Compressor ON COOL output ON when operation mode is cooling system COOL DRY Cool Heat Auto cooling HEAT output ON when operation mode is heating system HEAT Cool Heat Auto cooling Fan output ON when indoor fan is ON During use of air cleaner Interlock cabling Outside error input DC12V COM DC12V COM Outside error input Generate check code L30 for 1 minute continuously to stop forcedly the operation CHK operation check Check mode input OV Used for indoor operation check Outdoor does not communicate with remote controller and outputs specified operation such as indoor fan H drain pump
59. E2 buttons set Individual 727 Header unit H22 Follower unit Z202 10 Push SET button OK when A goes on 11 Push F button Setup operation finished Status returns to normal stop status 3 6 9 2 5 8 Fax 01823 665807 8 Heronhill for all your Toshiba requirements Note 1 When setting the line address from the remote controller do not use address 29 and 30 The address 29 and 30 cannot be set up in the outdoor unit Therefore if they are incorrectly set up a check code E04 Indoor outdoor communication circuit error is output Confirmation of indoor unit address and position by using the remote controller Confirmation of indoor unit address and the position 1 When you want to know the indoor address though position of the indoor unit itself can be recognized lt Procedure gt Operation while the air conditioner operates 7 if it stops push button 2 Push button The unit No is displayed on the LCD Disappears after several seconds The displayed 1 unit No indicates the line address and indoor address If there is other indoor unit connected to the same remote controller Group control unit other unit No is displayed every pushing button Operate Operation procedure 152 2 When you want to know position of the indoor unit using the address e To confirm the unit numbers in a group control lt Procedure gt Operation while the air c
60. I F P C board Operation starts Are SV41 and SV42 Valve circuits normal 1 Misinstallation installation and Connector CN300 301 White NO gt Open service valves fully gt Repair outdoor PMV ___ Are service valves of gas and liquid pipe of outdoor unit fully opened yYES Check code name Low pressure protective operation Are characteristics of low pressure sensor normal and suction ga connector connection of SV41 and SV42 2 Leakage from SV41 42 circuit SV4 valve Connector CN311 Blue YES Does not refrigerant YES bypass from discharge of suction through 4 way valve NO Is not refrigerant bypassed YES from discharge to suction NO l a N Is compressor normal Note 2 YES Note 2 Check the following items mainly 1 Existence of abnormal sound and abnormal vibration during operation at start time 2 Abnormal overheat of case during operation or stop Never touch with hands 3 Current of compressor lead during operation or starting No rapid current change YES Is flow selector unit normal NO Refrigeran shortage clogging pipe breakage Tel 01823 665660 gt Check 4 way valve gt Check piping gt Compressor error Check flow selector unit YES Are SV2 and SV4 circuits normal YES Is there no mispiping of discharge gas is main pipes NO Is not
61. IPDU1 Fan IPDU error e Check power supply PC board for fan error IPDU2 Fan IPDU error All IPDU error or communication error between IPDU and I F PC board or outdoor I F PC board error _ it Indoor TCJ Corresponding Resistance value of sensor is Check connection cabling of TCJ sensor connector sensor error unit only stops infinite or zero Open Short e Check characteristics of TCJ sensor resistance value e Check indoor P C board error Indoor TC2 Corresponding Resistance value of sensor is Check connection cabling of TC2 sensor connector sensor error unit only stops infinite or zero Open Short e Check characteristics of TC2 sensor resistance value Check indoor PC board error Indoor TC1 Corresponding Resistance value of sensor is Check connection cabling of TC1 sensor connector sensor error unit only stops infinite or zero Open Short Check characteristics of TC1 sensor resistance value e Check indoor P C board error TD1 sensor All stop Resistance value of sensor is Check connection of TD1 sensor connector error nfinite or zero Open Short e Check characteristics of TD1 sensor resistance value Check outdoor PC board I F error TD2 sensor All stop Resistance value of sensor is e Check connection of TD2 sensor connector error nfinite or zero Open Short e Check characteristics of TD2 sensor resistance value Check outdoor PC board
62. It is prepared in the electric parts box Air filter Removes dirt or dust It is included in the suction port Air inlet port Sucks air inside of the room from here Floor Standing Concealed Type Air outlet port Drain pan With drain filter This accessory is installed at the local site Earth screw Itis prepared e in the electric parts box Air inlet port Sucks air inside of the room from here Ar titter Removes dirt or dust Front panel Lower side It is included in the suction port Floor Standing Type Fixing metal holder Horizontal flap Te Air outlet port Exchanges the air direction according to cooling or heating time Vertical flap The air can be automatically discharged rightward leftward at stated periods Air inlet port Sucks air inside of the room from here Air filter Removes dirt or dust ase Earth screw It is prepared in the electric parts box Drain pan Water accumulated in the drain pan is drained from here through the drain pipe Fixing metal holder Right and left 3 7 Parts Name of Remote Controller il Operation section Using a remote controller maximum 8 indoor units can be operated After the operation contents have been once set up the remote controller can be operated by pushing ON OFF buttons only Display section In the display example all indicators are displayed for the
63. LINK central controller Correct inter unit cable of remote controller Is the inter unit cable of NO remote controllers A B normal YES Is there no disconnection or connector contact error on harness out of terminal block of indoor unit YES Correct connector connection and check circuit cabling Check code Check code name Cause of operation E04 04 d07 Al NET Indoor Outdoor communication circuit error Power of outdoor unit was firstly turned on Connection error of communication line 6cl Detected at indoor side between indoor and outdoor NO End terminal resistance setup error on NO y communication between indoor and outdoor Is a group control operation Address setup error YES Was power turned on in order Turn on power again in order of X NO Check power connection status of i j i P f 2 Is power of each indoor unit turned on indoor unit Turn on power again of indoor unit gt outdoor unit indoor unit gt outdoor unit YES YES gt Is connection U1 U2 terminals of NO indoor outdoor inter unit wire normal Is power applied to remote controller AB terminals Approx DC18V Correct inter unit wire NO Check indoor P C board Defect gt Replace YES Is setup of two remote controllers YES Change one to main other to sub Is connector con
64. Mt D2 aa Ee eee a N L L L Hexadecimal IIIJ A AIA O DJA Lik notation 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Decimal notation lt Display on CHECK monitor gt Unit line No Network address No MONITOR ZONE yi rei ON CENTER AUX TYPE iZi STANDBY SET ALL LILI UNIT LILI OFF LOCKED TIMER No LI FILTER 1234567 8 21011213141516 CHECK 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 COOL mpa 70 EA EI EO BQ GA BR ER ET ER FOAN Ai RO RR RA HEAT ppe aoe Seat Soe ee ae eet ee aaa a SS AUTO MANUAL Check code detected at first Example There is no check data Check code detected at last UNIT lt CHECK data gt TEMP CHECK Example In No 1 unit first the interconnection wire bus communication line of indoor outdoor has failed Next the room temp sensor is defective For No 16 unit the high pressure switch at the inverter unit side operates ms lor FT CHECK 1 T ll 114 Tel 01823 665660 www heronhill co uk Fax 01823 665807 aa fect of Ea GLL Heronhill for all your Toshiba requirements 9 4 Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit 7 Segment Display of Interface Check code Detected 5 oe si Main Outdoor 7 segment display AI NET osition Check code name Error detection condition Check item position remote central control P controller Check code Sub code remote controller E01
65. ON etc DISP exhibition mode Display mode input OV Exhibition mode enables to communicate by indoor unit and remote controller only When power has been turned on Timer short Usual EXCT demand Tel 01823 665660 Demand input O O O OV 173 www heronhill co uk Indoor unit forced thermostat OFF operation Fax 01823 665807 Heronhill for all your Toshiba requirements 10 2 Outdoor unit Positions to be checked on the interface P C board MCC 1429 CNO3 backup For outdoor unit cable between outdoor units CNO3 CNO1 For inter unit cable between indoor and outdoor units Pressure sensor Ps Pressure sensor Pd CN01 backup RMV CN300 301 UART communication Option input output CN508 509 510 515 501 512 BUS terminal Terminator resistor select SW30 Jumper select SV61 CN309 poetical input TD1 CN502 TD2 CN503 TK1 CN514 TK2 CN515 ea TK3 CN516 TK4 CN523 TE1 CN505 TL CN521 TS1 CN504 TO CN507 TS2 CN522 runt SV51 CN310 pr deed lea TA SV2 5V CN312 GND SV3A CN324 12V SV3B CN313 ETA v Nog k Fhe C _ 3 3V Connection of power supply transformer CN314 CN100 Option input output CNS22 CN511 High pressure swith1 S nE a S i a elo HOF FERR fa P A cars T giii wee H L Y g Dina doctor connecting terminal CN80
66. Outdoor pressure sensor misconnecting Pd Ps VF Ps sensor error VF Pd sensor error VF Indoor other error Indoor Outdoor EEPROM error VF 01 Comp 1 side 02 Comp 2 side Compressor break down IPDU 01 Comp 1 side 02 Comp 2 side e a A a Aa A aA ayaa a Aalalyalia ajia Alaina a a a Ala Ala aAlaAlAalalialaAlO O O O O O O O O O O O O O Oe Magnet switch error Overcurrent relay operation Compressor error lock MG SW Overcurrent relay IPDU 01 Comp 1 side 02 Comp 2 side Current detect circuit system error IPDU Comp 1 case thermo operation VF Low pressure protective operation VF 00 ajajaj a 00o Oil level down detective protection VF 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error Oil level detective temp sensor error VF Comp 2 case thermo operation VF 01 TK1 oil circuit system error 02 TK2 oil circuit system error 03 TK3 oil circuit system error 04 TK4 oil circuit system error a Oil level detective circuit error Magnet switch error Overcurrent relay operation VF MG SW Overcurrent relay Duplicated indoor header units Indoor Duplicated outdoor line addresses VF Duplicated indoor units with priority Displayed on indoor unit with priority VF No of indoor units with priority Duplicated indoo
67. Power supply Outdoor unit Power 1 supply l Outdoor unit Max 8 units are connectable 1 1 However in a case that the network adaptor is installed when 2 remote controllers are connected maximum 7 units are connectable 2 The network adaptor is installed to only one unit 3 The weekly timer cannot be connected to the simple wired remote controller 4 Nome for concealed duct Floor standing cabinet Floor standing concealed 5 Nome for concealed duct Floor standing cabinet Floor standing concealed Floor standing 6 Nome for 1 way discharge cassette YH type lt adA Bulpuej s 100 4 3d payeadu0y Bulpuejs 10044 adAL Joulrqey BHulpuejs 10044 adA_ ainssaig 218IS YIH Nq pejesdu0g Fax 01823 665807 adAL p sses obieyosig sly Aem adAl p sses obseyosig 11y Aem z gt 991 Indoor unit 1 Network adaptor Option Heronhill for all your Toshiba requirements Wireless remote Remote controller communication circuit Central control X Transformer Indoor control P C board MCC 1402 Remote controller communication ci CPU H8 3039 Driver None for Concealed Duct type Outside output Indoor fan motor circuit Tel 01823 665660 N U1 U1 U2 Power supply 1 220 240V 50Hz www heronhill co uk TA sensor TCI sensor
68. Right side ol H Sensor Stainer H Main heat exchanger TO Pulse motor valve 1 Left side Leal g Solenoid valve I SV12 1 Main heat exchanger PMV PMV2 O HEH vane E LY subhieat exchanger Leftside i BS ress ata TH vave PMNS Check valve Strainer 4 Way valve Capillary Z Sa van Solenoid O valve valve LN SV5 SV11 tube ns E Sensor a D lt C TS2 J a sensor Check Solenoid Capillary Check joint joint valve tube SV6 Capillary tube Strainer Capillary tube Solenoid valve SV3D Strainer aD Capillary tube Solenoid valve Solenoid valve SV42 Accumulator Compressor 1 Inverter Strainer Solenoid valve SV3B Service Service Service Service valve of valve at valve at valve at balance liquid discharge suction pipe side gas side gas side 179 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 13 LEAKAGE CLOGGING OF OIL EQUALIZATION CIRCUIT Check code list for leakage clogging of outdoor refrigerant circuit and oil circuit parts lt Trouble with clogging gt Part name Outdoor PMV Position with trouble See next page Unit issuing check code Corresponding unit Check code to be detected High pressure protective operation Low pressure protective operation Discharge temp error Phenomena Corresponding unit High pressure
69. The clip is to open close the air inlet grille oe g Air inlet grille Air in the room is sucked from here 2 way Air Discharge Cassette Type Air outlet Air outlet flap Select air blow direction in cooling or heating operation each Earth screw It is included in the electric parts box Wiress remote controller Sold separately Air filter Removes dust and trash Air filter is provided in the center panel Center panel Air inlet Air in the room is sucked from here Tel 01823 665660 1 way Air Discharge Cassette Type Air outlet Air outlet flap Select air blow direction in cooling or heating operation each Earth screw It is included in the electric parts box Air inlet grille Air in the room is sucked from here Air filter Removes dust and trash Air filter is provided in the air inlet grille Concealed Duct Type Air outlet flange Discharge duct is Earth screw connected It is included in the electric parts box C inlet Air in the room is sucked from here Air filter Removes dust and trash Air filter is provided in the air inlet grille Wiress remote controller Sold separately www heronhill co uk Earth screw It is included in the electric parts box Air outlet Air outlet flap Select air blow direction in cooling or heating operation each Air inlet grille Air in the room is sucked from here Air fil
70. The indoor unit address which is connected to the refrigerant pipe of the selected outdoor unit is dis If it has been already removed leave it as it is played and the fan is turned on 2 Turn on SW30 2 on the interface P C board of the outdoor unit if it is OFF First the current indoor address is displayed on the setup data Line address is not displayed If it has been already ON leave it as it is 4 The indoor address of the setup data moves up down by the timer time 4 buttons Change the setup data to a new address Central control a device 5 Push set button to determine the setup data Ut u2 gt cae i i U3 U4 6 Every pushing button the indoor unit numbers in the identical pipe are successively Outdoor unit 7 Outdoor unit g Outdoor unit displayed Only fan of the selected indoor unit operates U3 U4 Repeat the procedure to and change all the indoor addresses so that they are not duplicated a Relay connector u1 u2 _ U5 U6 7 Push SET button All the displays on LCD go on a 8 Push button to finish the procedure im P ui u2 2 U1 U2 AJB q AJB AJB Yy Unit of which address is to be returned to the initial status 2 Turn on the indoor outdoor power of which address is to be cleared After approx 1 minute check that 6 U 1 is displayed and then execute the following oper
71. Vinyl tube Red Concealed Duct Standard Type Float switch FS 0218 102 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF EDM B40YGTF TA sensor Lead wire length 618mm TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 6 size lead wire length 1200mm Vinyl tube Black TCJ sensor 6 size lead wire length 1200mm Vinyl tube Red Model MMD AP 0241BH 0271BH 0301BH 0361BH 0481BH 0561BH Fan motor ICF 280 120 1 ICF 280 120 2 Drain pump motor ADP 1409 Float switch FS 0218 102 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 TA sensor Lead wire length 618mm TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 6 size lead wire length 1200mm Vinyl tube Black TCJ sensor 6 size lead wire length 1200mm Vinyl tube Red 27 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Concealed Duct High Static Pressure Type Model MMD AP 0181H 0241H 0271H 0361H 0481H Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 TA sensor Lead wire length 1200mm 4 size lead wire length 1200mm Vinyl tube Blue 6 size lead wire length 1200mm Vinyl tube Black 6 size lead wire length 1200mm Vinyl tube Red Under Ceiling Type SWF 280 60 1 SWF 280 60 2 SWF 280 120 2 Driving motor for horizontal grille MP24GA1 Pulse motor EDM
72. alarm of general purpose equipment HA control interface control interface VF Differs according to error contents of unit with occurrence of alarm Group control follower unit error TCC LINK L20 is displayed Duplicated central control addresses 110 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements New check code 1 Difference between the TCC LINK and AI NET check code The displaying method of the check code changes in this model and after Al NET check code TCC Link Used characters Hexadecimal notation 2 digits Alphabet Decimal notation 2 digits Characteristics of code Few classification of communication Many classification of communication incorrect setup system classification incorrect setup system Block display Indoor P C board Outdoor P C Communication Incorrect setup 4 ways Indoor protection board Cycle Communication Outdoor protection Sensor Compressor protection etc F 7 Displa Classification lt Display in wired remote controller gt Unused A goes on UNIT No Check code Operation lamp Green flash Gentralcontrol system err r Communication system error lt Display on sensor part in wireless remote controller gt e Block display of combination of D D lt Display on 7 segment in outdoor unit gt Unused e Unit No and check code are displayed Setup error O
73. an error is determined Restart is not performed The error code is H07 Remarks e Oil accumulated in the oil separator is returned to the compressor It is a protective control when drop of the oil level has been detected for a long time Refrigerant Oil recovery control 1 In all cooling operation this control is executed to regularly recover the refrigerating oil stagnated in gas inter unit pipe or indoor unit to the outdoor unit when the compressor driving command is weak and to prevent refrigerant accumulation in the outdoor heat exchanger while low ambient cooling operation is performed This control is managed by the header outdoor unit 1 Control conditions Cooling oil recovery control is executed every 2 hours approximately 2 Contents of control e Recovery time continues for approx 2 or 3 minutes though it differs according to the system capacity 2 Refrigerant recovery control in heating room During heating operation this is executed to recover liquid refrigerant stagnated in the stopped indoor unit It is also used to recover oil in the outdoor heat exchanger in heating overload operation except with defrost condition This control is managed by the header outdoor unit 1 Heating refrigerant recovery control is executed every an hour approximately 2 Recovery time continues for approx 2 to 10 minutes though it differs according to the load condition 3 Control for refrigerating oil reco
74. an electric shock is caused Before test run install the front panel and cabinet Check the following items after reinstallation 1 The earth wire is correctly connected Q 2 The power cord is not caught in the product Check after reinstallation 3 There is no inclination or unsteadiness and the installation is stable If check is not executed a fire an electric shock or an injury is caused N CAUTION Q Be sure to put on gloves during repair work If not putting on gloves an injury may be caused with the parts etc Heavy gloves such as work gloves Put on gloves sufficiently cooled As temperature of the compressor pipes and others became high due to cooling heating Cooling check operation a burn may be caused Q When the power was turned on start to work after the equipment has been 6 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements e New Refrigerant R410A This air conditioner adopts a new HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been also changed Therefore be sure that water dust the former refriger ant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with new re
75. be detected Outdoor liquid back error Oil level down error Oil equalization circuit error Phenomena Corresponding unit Refrigerant stagnation Check valve of main discharge pipe collective section Corresponding unit Oil level down error Compressor breakdown Compressor error Lock Refrigerant stagnation Check valve of discharge pipe Corresponding unit Oil level down error Compressor breakdown Compressor error Lock Refrigerant stagnation Check valve of oil equalization circuit Corresponding unit Oil level down error Excessive oil amount Leaked side Shortage of oil amount Normal side SV3A valve Corresponding unit Oil level down error Shortage of oil amount SV3C valve NOTE XX Error on sub code Tel 01823 665660 Corresponding unit Oil level down error 180 www heronhill co uk Judgment of oil shortage Fax 01823 665807 Heronhill for all your Toshiba requirements Propeller fan Fan motor Right side Strainer Main heat exchanger Main heat exchanger Auxiliary heat exchanger Right side Auxiliary heat exchanger Left side 4 Way valve aan lt Solenoid O valve valve SV5 Solenoid Capillary Check joint valve tube SV6 Solenoid valve SV41 Compressor 1 Inverter Service Service Service Service valve of valve at valve at valve at balance liquid discharge suction pipe side
76. capillary choke of SV3C valve bypass Does OCR of MG SW operate Reset OCR manually 2 NO Start a test operation in COOL or HEAT mode Replace clogged part Capillary TK3 sensor temp is displayed on 7 segment display with SW01 02 03 1 13 2 After power reset Start a test aed COOL or HEAT mode Replace clogging part TK2 sensor temp is displayed on 7 segment display with SW01 02 03 1 12 2 Check TK3 sensor temp approx 10 minutes after compressor 2 has operated i If low temperature continues approximately outside temp or temperature Strainer does not almost change a clogging of parallel capillary is considered No error Check TK2 sensor temp approx 10 minutes after compressor 2 has operated If low temperature continues approximately outside temp or temperature SV3E valve does not almost change a clogging of strainer of oil equalization circuit clogging of capillary or malfunction of check valve is considered Compressor 2 TK3 Error A Replace SV3E valve Note 1 Refer to item H07 error No error Strainer Check the clogging Not of SV3E valve e 1 Capillary tube No error i Error i Check the clogging of SV3E valve Oil tank Check I F PC board 1 Refer to item H07 error No error Check I F P C board Replace SV3E valve 2 If OCR operates even after manual reset of OCR check whether the wiring to the current senso
77. coils Is the flow selector normal gt Repair the flow selector unit SV42 valves mounted reversely or replace SV41 valve 2 Is no leakage from SV41 Normal YES Reset power supply and start a test All cooling operation To operation corresponded to the season i i Abnormal All heating operation To Check leakage of SV5 circuit Replace defective parts Are characteristics of 5 Normal high pressure sensor normal Replace the high pressure sensor main pipes Repair faulty parts Normal NO Is the flow selector unit normal Repair flow selector unit Is there a cause to interfere operation YES YES OT a Eea unit gt Eliminate the interfered causes 2 Air short circuit 7 m NO Is not indoor unit in other iri NO Is SV2 circuit normal YES Repair SV2 circuit YES Refrigerant short clogging pipe breakage Check there is no pipe breakage and then recharge refrigerant Tel 01823 665660 www heronhill co uk Fax 01823 665807 Coil error clogging disconnection of wiring etc 91 Is SV4 circuit normal YES Refrigerant overcharge clogging pipe breakage abnormal overload condition Repair SV4 circuit Coil error clogging disconnection of wiring etc Heronhill for all your Toshiba requirements C all heating operation All heating operation YES Does heating indoor fan YES 2 Heat exchange 3 Air sho
78. conditioner Outdoor unit Check again cautious points on wiring Sphase 1 In case that a center control 380 119V aot Leak interception Main check items system is not connected Are indoor and outdoor communication lines of the header unit connected to U1 U2 terminals Main switch s the relay connector between U1 U2 terminal and U3 U4 terminal removed Set up at shipment from the factory Before address setup remove the relay connector Indoor unit s the communication line of the central control system connected to the header unit U3 U4 1 phase erminals of each refrigerant line 220 240V The communication line of the central control system may be connected to the communi Leak interception Main switch Remote controller s the terminal resistance SW30 2 on the interface P C board of the header unit turned on Set up at shipment from the factory After address setup turn off SW30 2 of the header unit except the smallest unit after check of trial operation cation lines of the indoor outdoor communication lines Main check items Are indoor and outdoor communication lines of the header unit connected to U1 U2 s the end terminal of the shield wire grounded terminals When the refrigerant line and the central control system of the digital inverter air condi tioner are connected Are 1 1 model connection inter
79. continues for 2 minutes if the defrost operation has been once started 3 Stop conditions of defrost operation If the outdoor units are combined the fan drive and com pressor inverter frequency may be controlled by Pd pressure during defrost operation 61 www heronhill co uk During defrosting operation all the solenoid valves of 4 way are OFF and all compressors are driven Fax 01823 665807 Heronhill for all your Toshiba requirements Operation explanation and applied data etc Remarks Release valve 1 SV2 gas balance control control This control is executed to balance the gas when opening SV2 while the compressor is off in order to decrease the activation load in the next compressor ON time 2 SV2 high pressure release control This control is to control pressure rising in low frequency operation of the inverter 3 SV2 low pressure release control This control is to prevent quick pressure dropping in transient operation This control is individually executed by the header outdoor unit This control is executed as necessary except during stop time and thermostat OFF time 4 SV41 SV42 valves 1 SV41 42 low pressure release control This control purposes to protect drop of low pressure This control functions during defrost operation heating start pattern controlling all cooling operation or mainly cooling partly heating operation e Control contents Defrost heating start pattern Turn on SV4
80. controller Remote controller status No response 7 segment display of outdoor unit Communication line is not connected between indoor and outdoor Countermeasures Modify wiring Line and indoor addresses are unset Unit which does not response to remote controller Set up address The power of the header unit of the group is not turned on in indoor group control Unit which does not response to remote controller Turn on the power Group address is set up to follower unit in the individual control Unit which does not response to remote controller Set 0 to group address in case of individual control No display on remote controller No line is output Tel 01823 665660 The power is not turned on Unit which is not displayed on remote controller Turn on the power Remote controller is not connected with cable Unit which is not displayed on remote controller Correct wiring Miscabling of remote controller Unit which is not displayed on remote controller Correct wiring Remote controller communication circuit error Unit which is not displayed on remote controller If 230V is incorrectly applied to the remote controller terminal the remote controller communication circuit fails 87 www heronhill co uk Remove FASTON terminal connected to remote controller terminals A B and check the voltage If voltage is not applied replace P C board
81. ees BLK BLACK Indoor temp sensor Outdoor CNi CNo01 onan EO nnn nnn n nnn nnnone 3 GRY GRAY TC1 TC2 TCJ Temp sensor i unit WHI WHI Network Adapter ONN RANGE PMV Pulse motor valve L Option Wired remote Adapter for ices v BAW BROWN PM Lover motor controller wireless remote GRN GREEN RY303 Louver control rela controller Tel 01823 665660 www heronhill co uk Fax 01823 665807 d L eM UBIH Z L Z LZ Heronhill for all your Toshiba requirements BEDleLe lornleLu ly o cNoe8s DP LM _____CN033 BLU OX YA 7X Y3 GRN Z4 N TA 00 eons Pay TOJ 00 eau exer TC2 TO DOLEO ka TCi yhe oS WAY wo J I PON PN EXCT FILTER Color indication RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE BROWN GREEN Parts name Fan motor Hb bZ0dV HL8LOdY HLSLOdY HLZ LOdY HL6OOdY HLZOOdY TININ Running capacitor TR Transformer TA CN104 P301 fe YEL BLK RY002 RY001 l Q o CN102 RED RY004 6 S RY006 Recta GRY BLK CN304 CN100 zRY005 Control P C board BRN YEL for Indoor unit CN309 MCC 1403 ideo AC IN b GRN Te NN 5 0A 250V rs CN073 RED CN070 WHI Power supply CNO81 circuit BLK CN040 CN041 CN050 CNO61 CN032 CNO60 BLU BLU WHI ety
82. explanation In reality only the selected contents are indicated xoee AA aoe 8a Ga She COO j j Ee ed AEH Fe S i il Display section pac aalbswss 00e Operation section Gpcaacp gaps ie ae When turning on the leak breaker at the first time SET DATA flashes on the display part of the remote controller While this display is flashing the model is being automatically confirmed Accordingly wait for a while after SET DATA display has disappeared and then use the remote controller 17 16 9 11 7 13 7 SET DATA display Displayed during setup of the timer 2 Operation mode select display The selected operation mode is displayed 3 CHECK display Displayed while the protective device works or a trouble occurs 4 Timer time display Time of the timer is displayed When a trouble occurs the check code is displayed 5 Timer SETIN setup display When pushing the Timer SETIN button the display of the timer is selected in order of OFF gt C OFF repeat OFF timer gt ON No display 6 Filter display If FILTER E is displayed clean the air filter 7 TEST run display Displayed during a test run 8 Flap position display Displays flap position 9 SWING display Displayed during up down movement of the flap 10 Set up temperature display The selecte
83. from remote control is performed Setup Push SW04 for 2 seconds or more with SW01 2 SW02 6 SW03 1 Release Return SW01 SW02 SW03 to 1 Section B H Section A H Batch start Starts all the connected indoor units collec tively Note The contents follow to the setup of remote controller Setup Push SW04 for 2 seconds or more with SW01 2 SW02 7 SW03 1 Release Return SW01 SW02 SW03 to 1 Section A Section B CH 11 11 is displayed on Section B for 5 seconds Batch stop Stops all the connected indoor units collec tively Setup Push SWO05 for 2 seconds or more with SW01 2 SW02 7 SW03 1 Release Return SW01 SW02 SW03 to 1 Section A Section B CH 00 00 is displayed on Section B for 5 seconds Individual start Starts the specified indoor unit Notes e The contents follow to the setup of remote controller e The other indoor units keep the status as they are Setup Push SW04 for 2 seconds or more set SW01 16 and set SW02 and SW03 to address No 1 to 64 to be started Release Return SW01 SW02 SW03 to 1 Section A Section B Section A Displays the corresponding indoor address Section B Displays 11 for 5 seconds from operation ON Individual stop Stops the specified indoor unit Note The other indoor units keep the s
84. gas side gas side 181 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 14 REPLACING COMPRESSOR 14 1 Compressor Replacing Procedure Outline A WARNING Never recover the refrigerant into outdoor unit Be sure to use a refrigerant recovery device for refrigerant recovery in reinstallation or repair work Recov ery into outdoor unit is unavailable otherwise a serious accident such as rupture or injury will be caused NOTE Full opening operation of PMV by CN30 short circuiting returns full closing when 2 minutes passed To continue full opening status turn off power of the outdoor unit within 2 minutes START Using refrigerant recovery method at replacing of compressor recover the refrigerant Turn off power of the troubled outdoor unit Take off the troubled compressor Measure oil amount of the troubled compressor Check oil color of the troubled compressor M Is 4 or more Judge the oil status based on the oil color Exchange the troubled compressor only and then decide to exchange the troubled compressor only or both compressors YES Replace both troubled compressor and normal compressor Measure oil amount of the normal compressor Adjust oil amount based upon the measured oil amount This flowchart is the standard one of compressor replacing Various cases are considered at each field Replace the compressors ba
85. in case of compressor shell YES Is not TK1 sensor detached Correct installation of sensor NO Solenoid valve Correct miscabling misinstallation R P os i YES 1 14 Is there no miscabling or misinstallation TK2 CN515 on TK1 TK2 TK3 TK4 sensors TK3 CN516 TK4 CN523 g Characteristics 4 NO Are characteristics of TK1 sensor NO resistance value normal Te Sensor error Outdoor unit temp sensor characteristics 4 YES Error Start a test opereton n COOL or HEAT mode Replace clogged part TK1 sensor temp is displayed on 7 segment display with SW01 02 03 1 11 2 5 D B 2 a E G O Check TK1 sensor temp approx 10 minutes after compressor 1 has operated Compressor 1 If low temperature continues approximately outside temp or temperature does not almost change a clogging of strainer of oil equalization circuit clogging of capillary tube or malfunction of check valve is considered Solenoid valve No error SV3B erro D lt Balance pipe a Packed valve Strainer Capillary tube TK1 y Check the clogging of SV3E valve Error Oil tank Note 1 R Note 1 Refer to item H07 error No error Check I F P C board Replace SV3E valve Tel 01823 665660 www heronhill co uk Fax 01823 665807 Lvl Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Check code name Chec
86. interchangeability R410A Conventional air air conditioner installation conditioner installation Used tool Usage Existence of Whether conven Whether new equipment new equipment tional equipment can can be used with for R410A be used conventional refrigerant Flare tool Pipe flaring Yes Note 1 Yes Copper pipe gauge for adjusting projection margin Flaring by conventional Yes Note 1 Note 1 flare tool Torque wrench Connection of flare nut Yes No No Gauge manifold Evacuating refrigerant charge run check etc Yes No No Charge hose Vacuum pump adapter Vacuum evacuating No Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check S 9 0 0 e O Charging cylinder Refrigerant charge Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 7 Screwdriver Use vacuum pump by 8 Spanner or Monkey wrench attaching vacuum pump adapter 9 Hole core drill 2 Torqu
87. of the remote controller after the connection has been changed 2 If the group configuration and address are normal when power has been turned on the mode automatically shifts to address setup mode Re setup of address Refer to Address setup Check code name Check code name Cause of operation L04 96 Duplicated setup of outdoor line address Outdoor line addresses are duplicated d07 Al NET YES Is there duplicated line address setup Are communication cable connections of NO U1 U2 U3 U4 and U5 U6 normal Check outdoor I F P C board Failure Replace Correct the line address setup Correct the cable connection Re set up the address Refer to Address setup Check code name Check code name Cause of operation L05 96 Duplicated indoor units with priority 1 Two or more prior indoor units exist d07 Al NET Displayed on indoor unit with priority This check code is displayed on the set indoor unit when setup of indoor unit with priority is duplicated Priority setup with two or more units is not available Choose one prior unit in one refrigerant circuit system Check code name Check code name Cause of operation L06 96 Duplicated indoor units with priority Two or more indoor units with priority d07 Al NET Displayed on the indoor unit other than are duplicated one with priority and on the outdoor unit
88. on indoor unit with priority All stop www heronhill co uk Indoor units with priority were Check display of indoor unit with priority duplicated MG SW Magnet Switch OCR Over current Relay Fax 01823 665807 och Heronhill for all your Toshiba requirements Check code Detected position Check code name Error detection condition Check item position Main Outdoor 7 segment display AI NET remote central control controller Check code Sub code remote controller LO6 No of indoor units with priority 96 VF Duplicated indoor All stop Indoor units with priority were Check display of indoor unit with priority and outdoor units with priority duplicated unit Displayed on the unit other than indoor unit with priority Indoor Group line in Corresponding At least one indoor unit e Check indoor address individual indoor unit unit only stops connected to a group existed in the individual indoor units Indoor Indoor group Corresponding Address was not yet set up e Check indoor address address unset unit only stops Note After installation this code is displayed when the power is firstly turned on Indoor Indoor capacity Corresponding Indoor unit capacity was unset Set up indoor capacity DN 11 unset unit only stops VF Outdoor capacity All stop On the I F PC board for service Check model setup on outdoor I F PC board A ssy for unset jumper line w
89. outdoor PMV1 2 3 and check valve of main discharge pipe are considered Exchange the parts If the pressure up is not found open outdoor PMV1 2 3 fully and recheck pressure If pressure of check joint of discharge pipe becomes high leakage from Check of check valve of main discharge pie is considered Exchange the parts refrigerant stagnation cause Check valve leakage of When gas leaks from welded part of oil equalization pipe where compressor in compressor discharge pipe has been removed under condition that nitrogen gas is pressed in from check joint of main discharge pipe leakage from check valve of main discharge pipe is considered Exchange the parts Check valve leakage of When gas leaks from welded part of oil equalization pipe where compressor oil equalization circuit has been removed under condition that nitrogen gas is pressed in from check joint of discharge pipe leakage from check valve of oil equalization circuit is considered Exchange the parts SV3A valve leakage Open SV3B valve manually under condition that nitrogen gas is pressed in SV3B valve clogging from check joint of discharge pipe When gas leaks from welded part of suction pipe where compressor has been removed SV3A valve leakage is considered Exchange the parts Next open SV3A valve and SV3B valve manually If gas leaks from welded part of suction pipe where compressor has been removed SV3A valve Check of oil leakage is considered Exchange th
90. outdoor unit No connection between multiple refrigerant lines SW30 bit 20N Connection between multiple refrigerant lines SW30 bit 2 of the connected outdoor unit is turned on only in one line After address was decided all the indoor units do not correctly response after power ON in outdoor unit SW30 Check and modifies disconnection of indoor outdoor communication line Communication line between outdoor unit and the leading indoor unit Check influence of communication noise Address setup error e Only line addresses of the connected indoor units are undefined e The outdoor line address and the line addresses in all indoor units do not match e The indoor addresses are duplicated Units except those displaying E04 are duplicated A header unit is not set up in a group Except group displaying E04 Set up address again Duplication of indoor addresses Address No in which sub code of the check code are duplicated Set up address again There is none of outdoor terminal resistance or there are two or more resistances After address setup when terminal resistance setup is changed after power ON Check SW30 bit 2 of the outdoor unit No connection between multiple refrigerant lines SW30 bit 20N Connection between multiple refrigerant lines SW30 bit 2 of the connected outdoor unit is turned on only in one line Transmission circuit error at interface side PC board failu
91. partly Cooling heating simultaneous operation with subjective heating operation cooling operation Outdoor heat exchanger Main heat exchanger is used as evaporator 4 Defrost Using reversing operation of 4 way valve ice of the outdoor heat exchanger is dissolved with single cooling cycle 45 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Configuration of outdoor unit heat exchanger Propeller fan Fan motor Main heat exchanger Wind D gt Sub heat exchanger Wind 1 Sub heat exchanger o0000000000000000000000000000 oo0000000000 00 0 0000 00000000000 o0o0o0o0O 00000000 0 0 0 0000000000000 0 oo0o0o0oO0oO0oO0000000000000 0000000000 oo0000000000 0 Jj000000000000 00000 0 0 oO Front side Right Rear side Left Flow Selector Unit FS Unit RBM Y1121FE RBM Y1801FE RBM Y1801FE has two SVS valves Discharge Suction Discharge Suction Liquid pipe gas pipe gas pipe Liquid pipe gas pipe gas pipe Y YZ Strainer Strainer Capillary 3 Capillary tube tube tube To indoor To indoor To indoor To indoor liquid side gas side liquid side gas side Functional part name Functional outline Solenoid valve SVD Discharge gas block valve 1 High pressure gas circuit during heating operation SVS Suction gas block valve 1 Low pressure gas circuit during cooling operation SVDD Pressure valve 1 For pressurizi
92. place place place place CN30 CN31 SWw05_ SW15 UOC ge det D600 D601 D602 D603 D604 swot1 swo2 Sswo3 Display B Check procedure in case of stop with trouble When the system stopped due to a trouble of the outdoor unit execute a check in the following procedure 1 Open the panel of the outdoor unit and then check the 7 segment display The check code is displayed at the right side of 7 segment display B U1 OOO OOO Check code Switch setup when confirming the check code SW01 1 SW02 1 SW03 1 However the check code OOO is displayed for 3 seconds and the sub code OOO for 1 second are alternately displayed if an sub code is provided Confirm the check code and then conduct the check operation based on the procedure of each check code diagnosis U1 E28 on 7 segment display means a trouble on the follower unit Push the push switch SW04 on the header unit for several seconds 2 seconds or more As only the fan of the outdoor unit with a trouble drives open the panel of the corresponding unit and then confirm the check code displayed with 7 segment 4 Perform the check operation based on the procedure of each check code diagnosis How to read the check monitor lt 7 segment display gt MPa era aa na e S ot CLL UO Lb tat 012 3 45 67829 AbCdEFH J LP 1 Ok 7 i hth Lee Cet Itet LI a c e G h i n or St V y u 153
93. positions of Are installed positions of TE1 sensor and TL sensor correct YES Are connection of TE1 sensor connector TE1 sensor and TL sensor Outdoor I F P C board TE1 sensor CN505 Green TL sensor CN521 White NO and TL sensor connector normal YES Are resistance characteristics of Correct connection of connectors NO TL sensor and TE1 sensor normal YES Check outdoor I F P C board Defect Replace Correct connection of connectors Outdoor unit temperature sensor characteristics See TE1 sensor Characteristics 5 See TL sensor Characteristics 3 TE1 sensor Outdoor heat exchanger temp sensor TL sensor Temp sensor between liquid tanks of outdoor PMV 1 2 Check code name Check code name Cause of operation F16 43 d07 Al NET Outdoor pressure sensor miscabling 1 High pressure Pd sensor and low pressure sensor Ps are exchanged 2 Output voltage of each sensor is zero Pd Ps Correct connection of connectors Are connection of Pd sensor and NO Ps sensor connectors correct YES Are output voltage characteristics of Pd sensor CN501 Red Ps sensor CN500 White Pd sensor and Ps sensor normal YES ef 2 3 NO Sensor error Replace Pressure Check joint by pressure gauge Pressure display on 7 segment display Output voltage of I F P C board If 1 and 2 3 are different an error of
94. pressure sensor itself is considered If 2 and 3 are different check interface P C board y Are Pd Ps output values Pd gt Ps NO during compressor operation YES y Check outdoor I F P C board Defect gt Replace Tel 01823 665660 Check compressor Check code name Check code name Cause of operation F23 43 Ps sensor error Output voltage error of Ps sensor d07 Al NET NO Is connection of Ps sensor connector correct Correct connection of connector YES Connector CN500 White NO Sensor error 1 Pressure Check joint by pressure gauge 2 Pressure display on 7 segment display 3 Output voltage of I F P C board If 1 and 2 3 are different an error of pressure sensor itself is considered If 2 and 3 are different check interface P C board Are output voltage characteristics of Ps sensor normal YES Is not refrigerant by passed from discharge to suction of 4 way valve YES Check 4 way valve Is there no leakage from SV4 valve Check compressor YES Y Replace SV4 valve Check code name Check code name Cause of operation F24 43 d07 AI NET Pd sensor error Output voltage error of Pd sensor It is output voltage error of Pd sensor Check disconnection of connection of connector Pd sensor CN501 circuit and output voltage of sensor If the sensor is normal replace outdoor I F P C board Chec
95. refrigerant Oil recovery signal is received from the outdoor unit 1 Opens PMV of the indoor unit by the specified opening degree 2 Stops the fan 3 Only 4 way Air Discharge Cassette type air conditioner rotates the indoor fan with intermittent operation for approx 1 minute after recovery control 4 Only 4 way Air Discharge Cassette type air conditioner rotates the indoor fan with intermittent operation for approx 1 minute after recovery control as the outdoor unit 5 After recovery control drain pump of 4 way air discharge cassette type and cobcealed duct type will operate e In the indoor unit which thermostat is OFF or operates in FAN mode lamp goes on e Recovery operation is usually executed every 1 hour Short intermittent operation compensation control 1 For 5 minutes after the operation has started the operation is continued even if entering thermostat OFF condition 2 However if the thermostat has been turned off by changing the set up temp the thermostat is OFF with even the above condition The protective control has priority Drain pump control 1 During COOL operation including DRY operation the drain pump operates 2 While the drain pump operates if the float switch works the drain pump continues operation and a check code is displayed 3 While the drain pump stops if the float switch works turn off the capacity demand command stop the operation and operate
96. requirements 3 15 Air Conditioner Operations and Performance 3 minutes protection function 3 minutes protection function prevents the air conditioner from starting for initial 3 minutes after the main power switch circuit breaker is turned on for re starting the air conditioner Power failure Power failure during operation will stop the unit completely To restart the operation push the START STOP button on the remote controller e Lightning or a wireless car telephone operating nearby may cause the unit to malfunction Turn off the main power switch or circuit breaker and then turn them on again Push the START STOP button on the remote controller to restart Heating characteristics Preheating operation The air conditioner will not deliver warm air immediately after it is turned on Warm air will start to flow out after approximately 5 minutes when the indoor heat exchanger warmed up Warm air control In heating operation When the room temperature reaches the set temperature the fan speed is automatically reduced to prevent to blow cold draft At this time the outdoor unit will stop Defrosting operation If the outdoor unit is frosted during the heating operation defrosting starts automatically for approximately 2 to 10 minutes to maintain the heating capacity The fans in both indoor and outdoor units will stop during the defrosting operation During the defrosting operation the defrosted water will be drained fro
97. shown in the following table and the push SW04 for 5 seconds or more to display an error code 7 segment display Display contents A B The latest error code of the header unit 1 U1 9 7 Sensor Characteristics 9 7 1 Outdoor Unit Temperature sensor characteristics Characteristic 3 Outdoor TS1 TS2 TO TL sensors 40 Resistance kQ 0 10 0 10 20 30 40 50 60 70 Temperature C Characteristic 4 200 Outdoor TD1 TD2 TK1 TK2 10 TK3 TK4 sensors 150 100 5 Resistance kQ Resistance kQ 65 C or higher 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 0 Temperature C Characteristic 5 200 Outdoor TE1 sensor 20 A 2 15 Q RT o gs 2 g2 10 S5 g BO DC 8 ez S 5 Q pA I o oc i 0 I 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature C 157 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements E Pressure sensor characteristics 1 O cable connection table High pressure side Pd Low pressure side Ps Input Output name Lead wire color Input Output name Lead wire color OUTPUT OUTPUT GND GND 5V 5V Output voltage Pressure High pressure side Pd Low pressure side Ps 0 5 to 3 9V DC 0 5 to 3 5 V DC 0 to 3 33 MPa 0 to 0 98 MPa Output at high pressure side V Output at low pressure side V 0 3 33 4 41 5 1 Pressure MPa Pressure
98. sure to turn on power at the indoor side before power ON of outdoor unit If an error is already displayed under condition of SW01 1 SW02 1 SWO3 1 return the status to normal one according to troubleshooting and then execute a test operation The unit which is not given with priority by heating priority control cooling priority control and selection of cooling or heating mode is not operated In this case or d is displayed on the remote controller Set up the operation mode of the remote controller If it is not set up the operation starts with the current mode Match the rotary switch on the interface P C board of the outdoor unit with in the following table 7 segment display A B 4 Address display of corresponding indoor unit 00 is displayed for 5 seconds after operation ON 7 segment display Push the push switch SW04 on the interface A B P C board of the outdoor unit for 2 seconds or more If pushing this switch continuously for 10 seconds A A dae Star or more the operation changes to the individual Address display of 11 is displayed for ar test operation corresponding indoor unit 5 seconds after operation ON For individual test operation FF is displayed Operation check F If the discharge air temperature does not change The indoor unit to be started operates RASA though COOL or HEAT has been set up from the remote controller misconnec
99. than R410A For an air conditioner which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed abnormal high pressure generates in the refriger ating cycle and an injury due to breakage may be caused Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is Q applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute Refrigerant vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the specified refrigerant If air or others is mixed with the refrigerant abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never recov
100. the remote controller is allowed Status that card is inserted in the card switch box 2 Outside contact OFF If the indoor unit is operating it is stopped forcedly Start Stop prohibited to remote controller Status that card is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with b contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system Push concurrently SET CL A buttons for 4 seconds or more 2 Using the setup temp _a_Jor _v_ button specify the item code ZE 3 Using the timer time 4 or button set ALG to the setup data In the figure the contact indicates a status that the card is taken out Or amp Co P ojn R Co Po Indoor control P C board Power supply 7777777777 Outside contact Card switch box etc Procured locally Note Determine the cable length between the indoor control P C board and the relay within 2m Demand control from indoor unit When the relay is turned on a forced thermostat OFF operation starts e Wiring example Relay procured locally CN73 Note Determine the cable length between the indoor or outdoor control P C board and the relay within 2m Polo EXCT 2P plug RED Relay coil si
101. touching a high voltage with the naked hands or body an electric shock is caused even if using an electric insulator x For details refer to the electric wiring diagram Turn off breaker voltage capacitor terminals If discharge is not executed an electric shock is caused by high voltage resulted in a death or injury After turning off the breaker high voltage also keeps to apply to the high voltage capacitor Q When removing the front panel or cabinet execute short circuit and discharge between high Execute discharge between terminals Do not turn on the breaker under condition that the front panel and cabinet are removed S An electric shock is caused by high voltage resulted in a death or injury Prohibition 4 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework Check earth wires Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Prohibition of modification For spare parts use those specified If unspecified parts are used a fire or electric shock may be caused Use specified parts x For details refer to
102. warmed sufficiently Is the suction port or discharge port of the outdoor unit obstructed Are any door or window open Is the air filter clogged with dust Is discharge louver of the indoor unit set at appropriate position Is air selection set to LOW MED and is the operation mode set to FAN Is the setup temp the appropriate temperature Do not the outdoor temperature go out of the specified range When the following symptoms are found stop the operation immediately turn off the power switch and contact the dealer which you have purchased the air conditioner e Activation of switch is unstable Fuse or breaker is blown periodically Foreign matters or water entered by mistake When if activation cause of the protective device has been removed the operation is not performed Other unusual status occurred www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 4 REFRIGERANT PIPING SYSTEMATIC DRAWING 4 1 Inverter Unit 8 10 12HP Model MMY MAP0801FE MAP1001FE MAP1201FE Propeller fan Fan motor Sensor g TE1 Right side Strainer Main heat exchanger Pulse motor valve La S amp a Solenoid valve T T SV12 Main heat exchanger PMV1 PMV2 O KA Strainer 7 QO C V3 Strainer 4 Way valve Sol i N olenoi Capillary 7 Low Xi valve tube Sensor pressure SV5 I TS1 Paico Check Sengr M valve TS2 A i Check Solenoid Capillar
103. while short circuiting CHK pin CN71 on the indoor P C board the indoor PMV only becomes the minimum opening 30 pulse When opening DISP pin it becomes the maximum opening again Clear Open CHK pin If the system is operating it stops once but automatically restart after several minutes For the details of CHK pin CN71 on indoor PC board and DISP pin CN72 on indoor PC board refer to 11 Control circuit configuration Indoor unit 2 Indoor P C board MCC 1402 and MCC 1403 8 7 10 Indoor Fan Only Operating Mode When operating an air conditioner with indoor units and remote controller only in fan operation etc this function can be used A group operation is also available Operation 1 Short circuit DISP pin CN72 on the indoor P C board However if CHK pin CN71 on the indoor P C board has been previously short circuited this function is unavailable 2 In a group operation set up a group as usual 3 While DISP pin is short circuited all the sensor error judgment operation and communication with the outdoor unit are not performed PMV is fixed to the Max opening Clear Open DISP pin 105 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 11 Monitor Function of Remote Controller Switch When using a remote controller with the model name RBC ATM21E the following monitor functions can be used lt Calling of display screen gt Contents
104. working otherwise an injury may be caused by parts etc 1 Stop operation and then turn off switch of the breaker 2 Take off cables and then remove the P C board from the card edge spacer at the corner lt Exchange of service P C board gt For the interface P C board it is necessary to set up jumper line etc for each model Refer to Exchange procedure of interface PC board Remarks 4 IPDU P C board for fan 1 Noise filter 2 Interface P C board P C boards Control P C board 3 IPDU P C board For driving of compressor 1 3 PDU P C board For driving of compressor 2 IPDU PC board 1 Stop operation and then turn off switch of the breaker 2 Take off the heat sink Radiator plate fixing screws M4 x 16 2 pcs 3 Take off cables 4 Remove PC board from the card edge spacer at the corners x Heat sink fixing screw compressor lead cables U V W etc M4 screw tightening torque 1 47 0 1Nem lt Exchange of service P C board gt For the IPDU PC board it is necessary to set up jumper line etc for each model Refer to Exchange procedure of IPDU PC board 4 IPDU PC board for fan 1 Stop operation and then turn off switch of the breaker 2 Take off wires 3 Take off the heat sink Radiator plate fixing screws M4 x 8 4 pcs Tightening torque of screw for heat sink fixing board 1 47 0 1N m 193 Tel 01823 6
105. 0 SV12 CN319 High pressure swith2 For transformer power supply CN401 402 i I Case heater 1 Case heater 2 Accumulator heater For expansion BUS ee power supply CN325 L1 L2 L3 N phase input CN400 4 way valve CN317 Comp case SWO6 to 14 thermo 2 input Comp case thermo SWO01 02 03 CN307 1 input SW04 05 15 CN309 7 segment LED 174 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Inverter P C board MCC 1502 IPDU1 IPDU2 Compressor output COMPONENT SIDE IPDU MCC 1502 01 Pe supply Ba ACAOOV OG 12V F ai D2 GND i IE ee Ae a iP HS Input current 5V Le aS sensor A sa E i aa Communication between I F IPDUS only 2 2 only is connected AC230V input DC330V output IPDU1 only is connected Connection between Electrolytic IPDU1 and 2 DC330V input condenser Reactor 1 IPDU1 only is connected 175 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Power supply P C board for fan MCC 1439 12V Communication between I F and fan IPDU Judgement 12V terminal 2 9 7V terminal GND Communication between fan IPDU AC230V input 7 NENW 7V output Electrolytic condenser NT SIDE S CAPA DC330V output For Comp IPDU CN500 DC330V output for fan IPDU Judgemant D
106. 0 9MPa Outdoor 25 to 35 C High pressure 2 5 to 3 3MPa Indoor 15 to 25 C All heating operation When all the units operate in heating mode Low pressure 0 5 to 0 7MPa Outdoor 5 to 10 C Using the rotary switch on the outdoor unit I F the operating pressure cycle temperature and compressor rotation count can be checked on 7 segment display Refer to Outdoor refrigerant circuit system data display and Indoor cycle data display in Section 9 Troubleshooting 93 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 Service Support Function 8 7 1 Function to Start Stop ON OFF Indoor Unit from Outdoor Unit The following functions of the indoor unit can start or stop by the switches on the interface P C board of the header unit Function All cooling test operation Outline Changes the mode of all the connected indoor units collectively to cooling test operation Note Control operation same as usual test operation from remote control is performed Setup Release Setup Push SW04 for 2 seconds or more with SW01 2 SW02 5 SW03 1 Release Return SW01 SW02 SW03 to 1 7 segment display Section B C Section A IC All heating test operation Changes the mode of all the connected indoor units collectively to heating test operation Note Control operation same as usual test operation
107. 1 Compressor 1 side 02 Compressor 2 side Note High pressure SW is normally closed B contact NO NO Does high pressure SW operate Is circuit cabling normal Check and correct cabling TER Abnormal Check clogging of SV6 circuit Replace defective parts All cooling operation Does cooling outdoor fan normally operate PENA Er YES YES Connector connection fan IPDU fan motor wiring Normal Check mispiping of discharge gas Abnormal suction gas Correct piping Are outdoor PMV1 and PMV2 normal VES VES 1 Connector connection NO 2 Wiring N Check I F P C board 3 Coil Repair outdoor PMV Failure Replace 4 Valve itself Connector CN300 301 White 5 Outdoor P C board NO igh Check parts VES Are parts of high pressure SW normal gt Failure gt Replace YES x a NO NO Is resistance characteristic Replace TD1 Is service valve fully opened Open service valve fully of TD1 sensor normal Refer to Outdoor unit temperature YES YES sensor characteristics 4 i i Check mispiping of norma a i NO discharge suction gas main pipes gt Correct piping Is there no refrigerant leakage of Check 4 way valve discharge gas to suction side in 4 way valve y Normal Abnormal YES Check operation of PMV3 SV12 valve Replace defective parts Da Normal SV4 circuit NO y Abnormal 1 Are not coils of SV41 and Correct mounting of valve
108. 1 and SV42 when PS pressure lt 0 1MPa and turn off SV41 and SV42 when PS pressure 0 15MPa e Control contents All cooling operation Mainly cooling partly heating operation Turn on SV41 and SV42 when PS pressure lt 0 14MPa and Pd pressure lt 1 8MPa and turn off SV41 and SV42 when PS pressure 2 0 24MPa and Pd pressure 2 2MPa 2 High pressure release control This control is a gas bypass control which emergently prevents the high pressure cut Turn on SV41 and SV42 when Pd pressure gt 3 5MPa and turn off SV41 and SV42 when Pd pressure lt 3 45MPa 5 SV6 valve 1 Cooling bypass control This control is a liquid refrigerant bypass control to suppress rise of the discharge temperature or compressor inside temp Turn on SV6 valve when the higher discharge temperature TD1 or TD2 becomes 96 C or higher and turn off when it becomes below 84 C by bypassing liquid refrigerant 6 PMV3 1 High pressure release control All heating operation This control suppresses rise of high pressure during inverter low frequency operation in all heating operation mode Set up PMV3 opening to 45 pulses when Pd pressure 3 45MPa 2 High pressure release control All cooling operation Set up PMV3 opening to 60 pulses when Pd pressure 3 5MPa Frequency 1 High pressure release control release control This control is provided to correct the operation command of the compressor and suppress rise of high pressure 1 Control contents The
109. 100 Normal operation 80 Upper limit restriction 85 Upper limit restriction 60 Upper limit restriction 75 Upper limit restriction 0 Forced stop 60 Upper limit restriction lt Setup positions of header outdoor lt Connector position magnified drawing gt unit interface P C board gt TIT AE TT ihle J d ja i TE J a Operation stop to 60 80 100 ON 60 to 60 75 85 100 Power peak cut expansion ON 75 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 2 2 3 Snowfall Fan Control Header outdoor unit interface P C board Operation The outdoor unit fan operates by the Snowfall signal from outside Terminal Input signal Operation Snowfall fan control Operates outdoor unit fan Usual operation Releases control The control contents are accepted during leading and trailing of the input signal The status of leading and trailing should be held for 100mm sec or more External master ON OFF control board TCB PCMO 2E Outdoor unit destination to be connected becomes the header outdoor unit U1 SMC Snowfall detection switch Procured locally Snow sensor 7 2 2 4 External master ON OFF control Header outdoor unit interface P C board Operation The outdoor unit starts or stops the system Terminal Input signal Operation Starts collectively indoor units
110. 2 Outside control Concealed Duct Standard type moder FAN DRIVE input of fan Under Ceiling type 2P WHI High Wall type To terminal Corresponds up to a relay in which rated current of the Indoor control operation coil is approx 75mA P C board Other type models Note Determine the cable length between the Correspond up to a relay in which rated current of the indoor control P C board and the relay within 2m operation coil is approx 16mA Does not correspond to a terminal block type relay on the market 70 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements m Leaving ON prevention control Function e This function controls the indoor units individually It is connected with cable to the control P C board of the indoor unit e In a group control it is connected with cable to the indoor unit Control P C board and the item code cis set to the connected indoor unit e It is used when the start operation from outside if unnecessary but the stop operation is necessary e Using a card switch box card lock etc the forgotten OFF of the indoor unit can be protected e When inserting a card start stop operation from the remote controller is allowed When taking out a card the system stops if the indoor unit is operating and start stop operation from the remote controller is forbidden 1 Control items 1 Outside contact ON The start stop operation from
111. 31 6V 207 MMU AP 1SH series MCC 1403 MML AP 1H series MML AP 1BH series MMF AP 1H series 431 6V 210 MMD AP 1BH series MCC 1402 03DD M02 MMU AP 1H series 431 6V 225 MMC AP 1H series MCC 1402 03DD M03 MMK AP 1H series Requirement at exchange of P C board assembly for indoor service Before exchange in the fixed memory hereinafter EEPROM IC 10 installed on the indoor P C board the type exclusive to the model and the capacity code are stored at shipment from the factory The important setup data such as line indoor group address which are set up Auto Manual or high ceiling exchange setup at installation time respectively Proceed with exchange of P C board assembly for indoor service in the following procedure After exchange work check again the setup for indoor unit No or group header follower units to confirm whether the setup contents are correct or not and then check also the refrigerant circuit system by a test operation etc lt Exchange procedure gt Method 1 Before exchange it is possible to turn on power of the indoor unit and read out the setup contents from the wired remote controller Readout of EEPROM data Procedure 1 4 Exchange of P C board for service amp power ON Procedure 2 4 Writing in of the readout EEPROM data Procedure 3 4 Power supply reset All the indoor units connected to the remote controller in case of group operation control
112. 330 13 330 13 330 Normal temp 205 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 16 2 4 How to Check Fan Power Supply P C Board and Fan IPDU The fan power supply P C board supplies DC power It supplies DC280V for the fan IPDU and DC12V and DC7V for the control power supply respectively If the control power is not supplied a communication error Error code E31 is out 1 How to check fan power supply P C board MCC 1439 As shown in the following table measure the voltage of the check positions with a digital tester Check item Check position Criteria DC280V output Between CN500 and DC260 to DC340V Between CN500 O and DC12V Between CN500 and DC7V Control power voltage 2 How to check fan IPDU 1 Check that the lead wires are correctly inserted into 250 fasten terminal of DC280V input and into the communication connector CN01 2 After then replace the fan IPDU if an abnormality is recognized lt MCC 1439 Front View gt CN503 F500 10A 250V CN505 RED _CNS504 BLUUART 2 r 1 OrO P J 5 UNIT3 1 E sine i501 cs20 g beso RY500 1501 R503 Aas BLK lt 3 yy as ME i 3 a rod LNOINIOG N18 ZOSNO
113. 4 sensor data Symbol Data Receiving status of Receiving time 1 Not received indoor BUS communication Indoor check code B No check code Indoor capacity B 0 2 0 5 0 8 1 1 2 1 7 HP horse power 6 8 10 16 20 Indoor request command Data is displayed with Hexadecimal notation S code Indoor PMV opening data Data is displayed with Hexadecimal notation Indoor TA sensor data Data is displayed with Hexadecimal notation Indoor TF sensor data Data is displayed with Hexadecimal notation Indoor TCJ sensor data Data is displayed with Hexadecimal notation Indoor TC1 sensor data Data is displayed with Hexadecimal notation Indoor TC2 sensor data Data is displayed with Hexadecimal notation Indoor address 7 segment display A SW02 setup number 01 to 16 SW02 setup number 16 17 to 32 SW02 setup number 32 33 to 48 156 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 Outdoor EEPROM write in error code display Displayed on the header unit only The latest error code written in EEPROM of each outdoor unit is displayed It is used when confirming the error code after power supply has been reset Set SW01 to 03 as
114. 5807 col Heronhill for all your Toshiba requirements Phenomenon which appears as result Corresponding indoor unit or flow selector unit Correspon Example of Part name Trouble mode Operation mode ding indoor 0 Judgment and position to be checked refrigerant unit cooling operation SV11 ON Al ainly cooling part heating operation Coolin Cloggi ng of ainly heating part cooling operation Coolin i P15 Gas e Gas may be short and PD and PS may be lower than SVSS valve capillary check f leak normal pressure value discharge pipe valve heating operation Al detection e TD and TS may become higher than normal value Bypass Capillary ainly cooling part heating operation Heating unit Check valve ainly heating part cooling operation Heating unit Leakage of check A valve cooling operation SV11 OFF All cooling operation Reis deed aap TC1 become high similar to ipi li h j J Ar Piping i Mispiping y e Pan a oa on cain f e Discharge gas pipe at outdoor unit side of the flow Discharge pipe Discharge ping es ainly heating part cooling operation Coolin selector unit is rather hot ae Suction gas pipe All heating operation A Li8 Fow cas cine at aren 3 Mainly cooling part heating operation Heating unit selector unit ad PP comRe cr can Lali Beek ow selector unit is Mainly heating part cooling operation Heating unit error i t Disconnection Contact error In some cases ph
115. 5V Replace P C board according to auxiliary code Replace fan power supply P C board Auxiliary code P C board to be replaced 01 IPDU1 02 IPDU2 03 IPDU1 2 04 Fan IPDU 05 IPDU1 fan IPDU 06 IPDU2 fan IPDU 07 IPDU1 2 fan IPDU I F Tel 01823 665660 www heronhill co uk Check code Check code name Cause of operation F01 OF Indoor TCJ sensor error TCJ sensor Open Short d07 AI NET NO gt Correct connection of connector NO Replace TCJ sensor Indoor unit temperature sensor characteristics See Characteristics 2 Is TCJ sensor connector CN102 Red on indoor P C board normally connected YES Are characteristics of TCJ sensor resistance value normal YES Check indoor main P C board Defect Replace Check code name Cause of operation Check code F02 Od Indoor TC2 sensor error TC2 sensor Open Short d07 AI NET NO gt Correct connection of connector NO gt Replace TC2 sensor Indoor unit temperature sensor characteristics See Characteristics 2 Is TC2 sensor connector CN101 Black on indoor P C board normally connected YES Are characteristics of TC2 sensor resistance value normal YES Check indoor main P C board Defect Replace Check code F03 93 d07 Al NET Check code name Cause of operation IndoorTC1 sensor error TC1 sensor Open Short
116. 65660 www heronhill co uk Fax 01823 665807 Part to be exchanged Inverter assembly Removal of PC board and electric parts 5 Reactor 6 Transformer 7 Electrolytic condenser Heronhill for all your Toshiba requirements Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc 1 Stop operation and then turn off switch of the breaker 2 Take off screws 3 positions of the terminal block installation board 3 Take off the fixing screws of each part and then remove the cables 7 Cautions when removing the electro lytic condenser 1 As the natural discharge by the electro lytic condenser may be unavailable and voltage may remain in some cases due to trouble conditions be sure to perform discharge of the condenser 2 Using resistance for discharge 100Q 40W or equivalent or plug of the soldering iron make continuity and discharge between and poles This electrolytic condenser has a large capacity Therefore it is dangerous to make discharge by shortening between and poles because big sparks generate 194 Tel 01823 665660 www heronhill co uk Remarks Reactor transformer and electrolytic condenser are stored at the rear side of the terminal block Terminal block installation board 7 Electrolytic condenser Fax 01823 665807 Part to be exchanged Pressure sensor posi tion
117. 665807 Heronhill for all your Toshiba requirements 15 REOLACING METHOD OF PARTS Part to be exchanged Cabinet Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc lt Disassembling gt 1 Stop operation of the air conditioner and then turn off the switch of the breaker 2 Take off screws of the discharge cabinet M5 x 16 4 pcs 3 Take off screws Front rear at lower side of the cabinet M5 x 10 7 pcs each 4 Take off screws of the service panel M5 x 10 3 pcs 5 Take off screws Front rear sides of the suction cabinet M5 x 10 4 pcs each M4 x 10 2 pcs each 6 Take off screws Right left sides of the side panel M5 x 10 4 pcs each Remarks Discharge cabinet Screws 4 corners i 5 Sutan eeo re a FrontYand rear 6 Side board Rightfand left lt Reassembly gt Reassemble the cabinet in the reverse proce dure 6 gt 1 of the above Disassembling However be sure to the following points when assembling the discharge cabinet Cautions when assembling the discharge cabinet Fit the claws 6 positions inside of the discharge cabinet surely If the claws come off a vibrating noise may generate Hooking claw 2 x 3 positions each at longitudinal direction Propeller fan motor Tel 01823 665660 REQUIREMENT Put on gloves during working otherwise an inju
118. 7 AIl NET 2 Check fan motor For the models installed with AC fan motor only Is there no connection error or disconnection of CNO76 connector NO YES Correct cabling circuit for the connector connection YES Replace fan motor gt Check indoor P C board Failure Replace Is not there mechanical lock of fan motor Fax 01823 665807 Srl Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Check code name Check code name Cause of operation P03 1E Discharge temp TD1 error Service valve of outdoor unit closed P04 21 Actuation of 07 Al NET Outdoor PMV1 2 error d07 Al NET high pressure SW TD sensor error Refrigerant short clogging in pipe 4 way valve error SV4 circuit leakage misinstallation SV5 circuit leakage SV6 circuit clogging SV4 circuit error Discharge gas Suction gas pipes mispiping SV5 circuit error 0 Flow selector unit error 10 Discharge line check valve malfunction 11 Refrigerant overcharge High pressure SW error Service valve closed Pd sensor error Indoor outdoor fan error Indoor outdoor PMV choke Indoor outdoor heat exchanger clogging air short circuit SV2 circuit error ONOAR WD o Are service valves of outdoor discharge gas suction gas and liquid pipe fully opened NO gt Open service valves fully Sub code 0
119. C 180 370V 176 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 2 1 Outdoor Interface P C Board lt Dip switch function exchange setup list gt Initial setup Part type Exchange contents at shipment SW01 Rotary SW 4bit 16 step Display Operation switch 1 For 7 segment display service operation 1 SW02 Rotary SW 4bit 16 step Display Operation switch 2 For 7 segment display service operation 1 Rotary SW 4bit 16 step Display Operation switch 3 For 7 segment display service operation For service Operation Start Operation Start by pushing Stop End by pushing Based on the following setup SW 4bit No 1 COMP backup OFF No 2 COMP backup Power peak cut control exchange OFF 0 100 ON Middle 100 Power peak cut control exchange Expansion For 4 steps exchange SW 4bit Bit 3 it 4 Header unit Outdoor address setup exchange OFF Auto setup Normal ON Manual setup SW 4bit i Judge indoor capacity over OFF YES Normal ON NO OFF Normal ON Size UP Correction of installed pipe size For outdoor expansion Judge abnormal No of connected indoor units OFF No error judgment ON Error Outdoor fan high static pressure shift OFF Normal ON High static pressure shift SW 4bit OFF Normal ON INV frequency upper limit restriction Sound reduction control OFF Nor
120. C20V b oh m w aj Power SDC15V 4 x T Seay eDC12V CN100 P bird I e T i Indoor unit Flow selector unit earth screw N ok Earth screw RED DW Closed onid gt Har Wen ermina ROGN CN309 CN50 CN61 CN32 U Power supply YEL WHI YEL WHI WHI BLK BLU J 200 8400 50H 00000 N y ra N AN A N 200V 60Hz T10 Fandrive Option GRL r ss a a a aa an bad eee j eee gt i ale S EEES j SIR i TA D l Color identification be I RED BLK BLACK pa m BOK esd E WHI WHITE GRY GRAY v i 75 YEL YELLOW PNK PINK D oh r BLU BLUE ORN ORANGE Hind A eee ge WHI i i BROWN GRN GREEN o ieee H CN02 A SREE ar i BLU oo rot aes I i ion Ni A i Symbol Parts name il WHI BLK ae Teepe eae a eras a l FM Fan motor i WED E TA Indoor temp sensor TC TC2 TCJ Temp sensor Louver motor DM Drain pump motor Float switch 3 Outdoor unit 1 indicates the terminal block letter at inside indicates the terminal number aa ea ea ie i il i X2 il j 2 A dotted line and broken line indicate the wiring at site Wired remote Adpter for wireless 7 i h IP controller remote controller 3 Ez Jndicates t e control P C board Tel 01823 665660 www heronhill co uk Fax 01823 665807 02 Heronhill for all your Toshiba requirements
121. C500V 3 5uF AC500V 4uF Transformer TT 13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 Driving motor for vertical flap MT8 3 9 TA sensor Lead wire length 1200mm Vinyl tube TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 6 size lead wire length 2000mm Vinyl tube Black TCJ sensor 6 size lead wire length 1200mm Vinyl tube Red 29 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 2 Outdoor Unit Model MMY MAP0801FT8 MAP1001FT8 MAP1201FT8 Compressor DA421A3FB 23M Output 3 75kW x 2 4 way valve coil Heat pump only LB64046 AC220 240V 50Hz Pulse motor valve coil VPV MOAJ524C0 HAM MD12TF 3 AC220 240V 50Hz 2 way valve coil VPV SV2 SV3A SV3B SV3C SV3D SV3E SV41 SV42 SV5 SV6 SV11 SV12 VPV 122DQ1 SV2 SV3C SV3D SV3E SV6 SV12 VPV 303DQ1 SV3A SV41 SV42 SV5 2 way valve ee Fan motor MF 230 600 2 DC280V 600W US 622KXTMQO SS OFF 125 C ON 90 C x 2 3 3 Outdoor Control Unit Heat Recovery Model MAP0801FT8 MAP1001FT8 MAP1201FT8 Power supply terminal block JXO 3004 AC600V 30A 4P Communication line terminal block JXO B2H AC30V or DC42V 1A 6P Reactor CH 44FK 1 45mH 25A Smoothing condenser For compressor 400LRSN 1500M 1500uF 400V Power supply transformer TT 01 03T AC230V 350mA P C board Noise filter MCC 1366 FKX 240NK 4810US 0 48mH 30A MCC 1366 P C bo
122. CN600 WHI CR517 JE RY517 pm 1 E ps EYE CR CR T6 3A T6 3A UU Le 7 ls sro CR511 3 CR521 CR519 3 rege FUSE Q 4 at 4 4 Behe CN307 WHI CN305 RED 00 galz alclals a 1 2 CN321 1722037 4 CN323 1 3JCN317 4030201 7 5 3 1 14213 14 CN1400 k3 1 T X2 RED KXXX WHI KIX X3 BLU 2X0 AALA ARXA WHI CN325 L 2 A 4 Symbol Parts name z daza 5 8 _ avd fuw 3 e 6 Satoh CM1 CM2 Compressor 5 ag SA s slaj Gi PMV1 PMV2 PMV3 Pulse motor valve onan WHD SV2 SV41 SV42 SV51 SV3A SV3B SV3C SV3D PE Accumulator SY coe SV3E SV61 SSV11 SV12 way valve coi heater kl 4WV1 4 way valve coil COMP1 COMP2 Compressor case thermo Earth screw can TS1 TS2 Pipe temp sensor Inlet AED O CN10 TD1 TD2 Pipe temp sensor Outlet _ Color Parts layout 4Q EL O CN09 TE1 Heat exchange temp sensor indication Power Supply 4O WHI BLU ji U1 U2 U3 U4 U5 Ue 3phi TO Air temp sensor RED RED Fan IPDU gt 380 415V 50Hz BLK TK1 TK2 TK3 TK4 Oil temp sensor WHI WHITE Noise filter MCC 896 Connecting terminal inleriace O TL Liquid temp sensor YEL YELLOW PC board PC board O HEATER1 HEATER2 ACCUM HEATER Case heater 230V 26W BLU BLUE MGG 1366 Power supply MG ae FM Fan motor DC BLK BLACK for fan SW 1 The PS Low pressure sensor GRY GRAY MCC 1489 OCR accessories sold separately and service wires respectively PD High pressure sensor NK SPINK DIAR 2 O andDindicate the terminal board and the numera
123. DU2 Noise filter Interface P C board Power supply terminal block Over current relay 210 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements TOSHIBA CARRIER CORPORATION 2 CHOME 12 32 KONAN MINATORKU TOKYO 108 0075 JAPAN Tel 01823 665660 www heronhill co uk Fax 01823
124. E sensor temp 2 If TE gt 25 C has been continuously detected for 5 minutes the operation may stop In this case the status is same as one in usual thermostat OFF so the operation restarts 3 After A C started this control is not performed during the specified time after defrost operation and defrost control 4 When refrigerant is excessively shortened START STOP operation may be repeated by this control 3 Fan control for mainly cooling part heating operation The outdoor fan speed mode is controlled according to the target Pd Discharge pressure When TE temp ambient temperature exceeds 25 C Heating operation stops Over the operation temp condition of ambient temp The fan speed of the maximum mode differs by the outdoor HP Tel 01823 665660 59 www heronhill co uk Fax 01823 665807 Capacity control Heronhill for all your Toshiba requirements Operation explanation and applied data etc 1 According to the capacity demand command from the indoor controller the inverter frequency control of the outdoor units is determined 2 Two compressors in the outdoor unit rotate every stop of compressor and exchanges the start order when the compressor will be ON in the next time Remarks e Min frequency 26Hz Oil level detection control Tel 01823 665660 1 Based upon the detected temperature of TK1 to TK4 sensors whether the right amount of oil is inclu
125. ED 7 BLUP Pe it od BLK 1 Outd Interface Control P C Board CN504 A22 TS1 uit om 7X7 AW F ee MCC 1429 wan PR Gav CR503 l RY503 ON BLK BLU CN522 42X2 TS2 ral remote CN311 BLU ee i on BLK Aife Central remot entra remote BLUP MP Ho we onsos FE Te CR502 RY502 GRN Fifi BLK BLUP P BLK cnso7 AByAEr To se CN310 WHI ay tH Ho YEL Aaf BLK CR504 JE RY504 BLU BLK CIEL onsta AE aa BLU BLUP PT BLK 4p 4BLU BLK BLK CN312 WHI ONT 23 4 ONI 4 PNI 234 Nl 234 AEE ME He ooo wooo boda Phone ys a R506 i RY506 Wit Swit Wis Swit CN515 TK2 BLUP P7 ji GRN s BLU BLK BLU CN324 RED BLU y3 WEL HO NI 234 ONT 234 ONT PNI234 NI234 BLU BLK Gs aun JE RYso7 piid l piii P yoo uiid onsis FE 1K3 BLUP Y7 Srvice WOE WO7 08 SWO9 SWi0 RED Pr4 5BLU BLK BLU CN313 YEL BLU aXe i tt chai BY 5 BLUBLK TH CR508 l 3 RY508 6 sl fel le CN523 TK4 CN314 BLK tat a CN800 ellelle OJ IO IO YEL 7pro lt BLU BLK GRN BLUPY3 WHY HO cnao cng2 SW04 SW05 SWo6 CN521 2 Cm CR509 l RY509 7 wil 3 CN322 WHI H fa g fm BLU WAL ER HO 00 D601 D602 D603 D604 De To Sv1 BLUP SRS JE pyes RN 5 3 F a 1 T i CNS19 WHI p y 1 8 Swor gwoz gwos BU A i Sv BLUb Wi 779 o O O CN 100 3 CR514 l RY514 CN802 U BLK A lt BLU Flash RY518 RY510 RY511 RY521 RY519 ww ONS WH DO HL Ho CRETE l AYS16 onus Renna Conus Canna ease au D0 4 eolo e o o TOES Heater ji 1 1 4 rege oor RED GNSS EL a6 AWE Ho 4 4 4 4 ki FUSE
126. EST is displayed on the remote controller of the indoor unit to be operated Check that H is displayed on 7 segment display B on the interface P C board of the outdoor unit soceece Be sure to turn on power at the indoor side before power ON of outdoor unit PO 1 H PT Iri l hel Ly Le SW01 SW02 SWO3 lt Rotary switch gt NOTE The test operation returns to the normal operation after 60 minutes 95 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 Batch start stop ON OFF function This function is provided to start stop collectively all the indoor units connected to the same system by using switches on the interface board of the outdoor unit lt Operation procedure gt PowerON Be sure to turn on power at the indoor side before power ON of outdoor unit If an error is already displayed under condition of SW01 1 SW02 1 SWO03 1 return the status to normal one according to troubleshooting and then execute a test operation j The unit which is not given with priority by heating Set up the operation mode of the remote controller priority control cooling priority control and selection If it is not set up the operation continues with the current mode of cooling or heating mode is not operated FAN COOL HEAT In this case or gH is displayed on the remote controller Set on the interface P C
127. F1 Boies 5 part is connected to the terminal block TC1 TC2 TCJ Temp sensor YEL T When exchanging to the outside static pressure necessary at the local site RY005 007 Fan motor control relay 4 2 check the terminal No and lead color of the fan motor in the below diagram RY001 Fl t trol rel Closed end and then exchange the lead wire indicated by the arrow mark 2 ap Moor convo reay connector Pay attention to change static pressure because the outside static pressure of RY002 Drain control relay Indoor unit H tap in 50 or 60Hz PMV Pulse Motor Valve Earth serow 4 Wired for MMD AP0481 only bi F Fuse Single phase pave BLK ORN S 43F1 Fan motor control relay 220 240V 50Hz BRN o i 220V BOHe T Wa separately DM Drain pump motor RED FS Float switch Motor over heating protection switch Tel 01823 665660 www heronhill co uk Fax 01823 665807 d L ainssaig 21e1S YIH nq p je vuo s zZ 6L Heronhill for all your Toshiba requirements I PON d 1 BuljlaD 49puN 9 1 Z 000000 O00000 puan eae a KEKS XXXS 00000 K X2XSXAX5 bbe dnd O8068 piel phe E barby 08000 1XeXsX4X5 N33 WHI 5X6 5 6 K X2X3X4X5X6 ems 77 M DM Indoor control P C board O gt U y ol ok a Fuse BLK U X A T3 15A o Or O oD
128. FS unit Indoor unit Outdoor unit Flow selector Indoor unit 4 way valve ON OFF lt Cooling thermo ON gt lt Heating thermo ON gt SV4 n Note 1 OFF SVD OFF SVD ON sv5 OFF OFF SVS ON svs N SV6 Control SV3D Control SVDD svit_ i ON SV3E ON SVSS i OFF ON Note 1 SV4 of the stopped compressor is ON Note 2 May be controlled 52 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 5 Mainly Heating Partly Cooling Operation Cooling heating simultaneous operation with subjective heating operation Outdoor unit Operating for evaporator MMM High pressure gas or condensed liquid refrigerant Low pressure gas refrigerant Low pressure gas refrigerant Refrigerant recovery line MEE High pressure refrigerant Push in circuit FS unit Indoor unit Flow selector Indoor unit 4 way valve ON Seme thermo ON gt thermo ON gt eee sv4 a0 w 1 OFF OFF SVS OFF OFF OF Control Sv3D Control SVDD OFF SVDD OFF SVDD OFF aa e a SVSS ON svss i OFF svss i ON Note 1 SV4 of the stopped compressor is ON Note 2 May be controlled 53 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 6 Defrost Outdoor unit H Main heat exchanger MM High pressure gas or condensed liquid refri
129. FS unit f Control FS unit iControl FS unit wiring g wiring tery CNo2 L 4 CNo2 CNo2 H cno f Heno j H cNo1 Power Power i line line k Oo losed end connctor Main check items Are indoor outdoor communication lines connected to U1 U2 terminals Is signal line of FS unit connected to connector CN81 Ils the power supply cable of FS unit connected to R L and S N fasten terminals Is power supply cable of FS unit connected to the closed end connector if the indoor unit is Wall type or Concealed Duct High Static Pressure type NOTE TThe above figure does not cover all the electric wirings For details refer to the Installation Manual of Flow selector unit Tel 01823 665660 www heronhill co uk lt Check list 1 gt e Using the Check list 1 check there is no trouble in the installation work Is capacity of the leak breaker appropriate Outdoor unit A A Indoor unit Is diameter of the power cable correct Outdoor unit A mm Indoor unit Is control communication line correct Indoor outdoor connection terminals U1 U2 Central control system connection terminals U3 U4 Do not connect outdoor outdoor connection terminals Is power of indoor units supplied collectively Is earth grounded Is insulation good Is the main power voltage good Is diameter of conn
130. Gal Repair outdoor PMV A Wining Repair outdoor PMV 4 Valve body Connectors CN300 301 White Valve body Connectors CN300 301 White 5 Outdoor I F P C board I F P C 5 Outdoor C board YES YES Are characieristigs Ol Replace TD1 or TD2 sensor Are characteristics of NO TD1 TD2 sensor resistance normal P i TS2 sensor resistance normal Replace TS2 sensor Refer to outdoor unit temperature 4 Refer to outdoor unit temperature YES sensor characteristics 4 YES sensor characteristics 3 eee NO Is SV4 valve circuit normal NEO Does not discharge YES Coil misinstallation valve leakage Repair SV41 and SV42 circuits refrigerant gas bypass to suction side Check and replace 4 way valve and coil Coi me YE oil valve body coil installation through sway valve disconnection of cable etc NO NO Are not indoor units in different NO Correct cabling gya Rere ace ete Repair SV41 and SV42 circuits refrigerant circuit connected Check with miscabling check YES function of outdoor unit YES Coil valve body disconnection of cable etc Abnormal Check leakage of Check mispiping of discharge gas Abnormal Cofret nipin SV5 and SV11 circuits Replace defective parts suction gas main pipes piping Normal Normal Abnormal Check mispiping of discharge gas Abnormal Cored nibi Is the flow selector unit normal Repair the flow selector unit suction gas main pipes piping Normal Normal Y Abnormal se one prania Che
131. HMLOEOdV HMLZZ0dV HMLVZ0dV NINIW HMLSLOdV HMLSLOdV HMLZLOdV HML600dV HMIZO0dV NININ lopow d L y sses abueyosig sly Aem Z Z 1 Z SI Heronhill for all your Toshiba requirements re D FS I PON 3 2 00000 2 1X2 X5 RC E Ty PMV 4 Y5X6 BLU 3X456 Se Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GRN GREEN Ceo A SI S7 Indoor control P C board v Zz o Filter N HALZLOdV HAL600dV HA LZOOdY NININ adA ppedwos d L yp sses eyos q sly Aem 1 Z Power supply circuit CN044 CN040 CN041 CN075 CNO61 CN032 CNO60 BRW BLU BLU WHI YEL WHI WHI dA 1X2 1X2 K CERBUL ese O00000N00000000r 000000 bbad Pad P P AT OA X2 X2 K C XJ QLXSXXSXG Fan drive P iN Pad O Flow selector D S unitearth fb 3M 4 4 KX 5X6 cnoz a SPIN Cera rays ye YEL th 7 RED O annars Line Filteri 3 3 daptor Ske Parts name wal bess o Option 4 FM Fan motor i 0E0O060 CNO1 RC Running capacitor T a bes OLAX K4X5X6 WHI TR Power transformer Indoor unit BLU Earth screw P C board LM Louver motor Indoor temp sensor Temp sensor A W ZNAN Power su
132. Heronhill for all your Toshiba requirements TOSHIBA FILE NO A04 003 SERVICE MANUAL HFC SUPER HEAT RECOVERY MULTI System air conditioner The indoor unit in Super Heat Recovery Multi System is common to one in Super Modular Multi System air conditioner Therefore refer to the service manuals for A03 009 A03 010 and A03 011 separately issued Heat Recovery Type Indoor Unit Outdoor Unit lt 4 way Air Discharge Cassette Type gt MMU AP0091H AP0121H APO151H MMU AP0181H AP0241H AP0271H lt Inverter Unit gt MMY MAP0801FT8 MMU AP0301H AP0361H AP0481H MMY MAP1001FT8 MMU AP0561H MMY MAP1201FT8 lt 2 way Air Discharge Cassette Type gt P MMU AP0071WH AP0091WH AP0121WH Flow Selector Unit FS unit MMU AP0151WH AP0181WH AP0241WH MMU AP0271WH AP0301WH AP0481WH RBM Y1121FE CHINA market only lt 1 way Air Discharge Cassette Type gt RBM Y1801FE MMU AP0071YH AP0091 YH AP0121YH MMU AP0151SH AP0181SH AP0241SH lt Concealed Duct Standard Type gt MMD AP0071BH AP0091BH AP0121BH MMD AP0151BH AP0181BH AP0241BH MMD AP0271BH AP0301BH AP0361BH MMD AP0481 BH AP0561BH lt Concealed Duct High Static Pressure Type gt ask MMD AP0181H AP0241H AP0271H 3A MMD AP0361H AP0481H Lo L lt Under Ceiling Type gt MMC AP0151H AP0181H AP0241H MMC AP0271H AP0361H AP0481H lt High Wall Type gt MMK AP0071H AP0091H AP0121H MMK AP0151H AP0181H AP0241H lt Floor Standing Cabinet Type gt MM
133. IPDU error e Check outdoor MG SW or OCR MG SW Magnet Switch OCR Over current Relay Fax 01823 665807 6L Check code Outdoor 7 segment display Main remote controller Check code Sub code 01 Compressor 1 side 02 Compressor 2 side AI NET central control remote controller Heronhill for all your Toshiba requirements Detected position Error detection condition Check code name Current detection circuit system error All stop While header compressor stopped current flowed more than the specified current and was detected Check item position Check cabling of current detection circuit system Check outdoor PC board IPDU error Compressor 1 case thermo operation All stop Compressor 1 case thermostat performed protective operation Check compressor 1 case thermo circuit Connector cable PC board e Check full opening of service valve Gas and liquid side Check outdoor PMV clogging PMV1 2 3 e Check SV41 circuit leakage e Check miscabling misinstallation of SV41 and SV42 Check valve open status of indoor PMV e Check 4 way valve error e Check refrigerant shortage e Check SV5 leak e Check SV11 circuit Wiring OFF at one side only e Check mispiping of discharge gas suction gas main pipe Check Flow selector unit Check leakage of SVD valve and SVS valve Check leakage of SVDD valve and SVSS Check mispiping of FS unit connect
134. J Temp sensor RY001 Louver control relay Power supply 220 240V S04 RY002 Drain control relay i z 1 Indicates the terminal bolock letter 220V 60H Ke re A Letter at inside indicates the terminal number RY005 007 Fan motor control relay iat Gal 2 A dotted line and broken line indicate FS Float switch the wiring at side DM Drain pump motor 3 indicate the control p c board PMV Pulse motor valve Tel 01823 665660 www heronhill co uk Fax 01823 665807 lopow HSlbZ0dV HSL8LOdY HSISLOdV NINIW ZI Heronhill for all your Toshiba requirements lopow 00000 0000 PEHLI on 00000 O CN334 RY302 WHI YEL Motor drive RE D r circuit CN101 Indoor control P C board BLK Fuse Fuse 16 34 X y T3 15A CN100 ODNO DC20V cne7h gt 4 JaV T gt a50v bower SDCi5v BRN gt BLK 4 so AA tepgiev WHI F L e P301 CNEA GRN CN73 RED EXCT d CN41 CN309 CN50 CN61 CN32 CN60 CN81 CN20 CN70 4 J BLU BLU YEL WHI YEL WHI WHI BLK BLU WHI 2 vA Indoor unit Mb 4 ciosea ena A AA EASA covey EEEE EECA oD Flow selector OX X3 Fan drive Signal output Earth screw 7 i unit earth screw Indoor unit power supply Single phase 220 240V 50Hz 220V 60Hz Zz etwork
135. JB SE Remote Remote i Remote i Remote controller s controller controller controller Added indoor unit 3 Turn on the indoor outdoor power of which address is to be set up After approx 1 minute check that U 1 is displayed on 7 segment display 4 Execute the following operation on the interface PC board of the outdoor unit After checking that In AE is displayed on 7 segment display and then push SW04 for 5 seconds or more AUTO1 gt AUTO2 gt AUTO3 AUTO9 is counted and displayed on 7 degment display Return the SW01 02 03 setup as before 5 When U 1 is displayed on 7 segment display the setup operation finished Turn off the indoor outdoor power 6 Return the following setup as before e Relay connector e SW30 2 e SW01 02 03 Tel 01823 665660 Other refrigerant line Line address 1 H Q Header unit wy Z rae Outdoor unit U1 U2 U5 U6 Earth 3 phase 380 415V 50Hz Leak interception Main switch F ui U2 U1 U2 Indoor unit AJB AJB HCH 1 phase 220 240V 50Hz Leak interception Main switch Remote Remote Remote controller controller
136. L AP0071H AP0091H AP0121H MML AP0151H AP0181H AP0241H lt Floor Standing Concealed Type gt MML AP0071BH AP0091BH AP0121BH MML AP0151BH AP0181BH AP0241BH lt Floor Standing Type gt MMF AP0151H AP0181H AP0241H MMF AP0271H AP0361H AP0481H MMF AP0561H PRINTED IN JAPAN Sep 2004 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant R410A which is used in the air conditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffocation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared wi
137. LSLOdV AININ Fax 01823 665807 odAy Buipuejs 100 4 OL b Z v2 Heronhill for all your Toshiba requirements WH lower suppl P C board for MCC 1439 CN501 RED AN GRY RED CNO6 WHI CN15 CN13 Oo 90 ICC 1502 CN18 RED IPDU PC Board 1 aint CN17 BLK CNO3 L1 CN02 L2 CN01 L3 O V Noise filter P C board MCC 1366 Reactor BLK Fer Fr gt gt x a a j ETa g PTC Themistor RED RED Mg SW_ _OCR H 152 2 cS 3 4 4 O
138. MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 High Wall Type Fan motor ICF 280 120 3 Driving motor for horizontal grille MT8 3 6 Pulse motor EDM MD12TF 3 28 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Floor Standing Cabinet Type Model MML AP Fan motor AF 200 19 4F AF 200 45 4F AF200 70 4K Running condenser for fan motor AC450V 1 2uF AC400V 1 8uF AC450V 2uF Transformer TT13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF EDM B40YGTF TA sensor Lead wire length 818mm Vinyl tube 4 size lead wire length 1200mm Vinyl tube Blue 6 size lead wire length 1200mm Vinyl tube Black 6 size lead wire length 1200mm Vinyl tube Red Floor Standing Concealed Type Model 0071BH 0091BH 0121BH 0151BH 0181BH 0241BH Fan motor AF 200 19 4G AF 200 70 4K Running condenser for fan motor AC450V 1 5uF AC450V 1uF AC450V 2uF Transformer TT 13 Pulse motor valve EDM B25YGTF EDM B40YGTF TA sensor Lead wire length 818mm Vinyl tube TC1 sensor 4 size lead wire length 2000mm Vinyl tube Blue 6 size lead wire length 2000mm Vinyl tube Black 6 size lead wire length 2000mm Vinyl tube Red Floor Standing Type Model MMF AP 0151H 0181H 0241H 0271H 0361H 0481H 0561H Fan motor AF 200 37R AF 200 63T AF 200 110M 1 AF 200 160H 1 Running condenser for fan motor AC500V 3uF A
139. MG SW or OCR Temperature change of TK3_ Check TK3 sensor coming off could not be detected though Check characteristics of TK3 sensor resistance value compressor started the e Check TK1 TK2 TK3 and TK4 misconnection operation e Check SV3E valve operation e Check capillary clogging of oil equalization circuit and check valve operation e Check refrigerant stagnation in compressor shell e Check MG SW or OCR Temperature change of TK4 Check TK4 sensor coming off could not be detected though Check characteristics of TK4 sensor resistance value compressor started the e Check TK1 TK2 TK3 and TK4 misconnection operation or he difference I Check SV3E valve operation from other TK sensor tA Se oa changed for a constant time Check capillary clogging of oil equalization circuit and check valve operation only within the specified range e Check refrigerant stagnation in compressor shell e Check MG SW or OCR Indoor Duplicated indoor center units Corresponding unit only stops e Check indoor address e Check the change of remote controller connection Group individual after indoor address setup There are multiple center units in a group Duplicated outdoor line address All stop Line address setup is e Check line address duplicated against the outdoor unit in different refrigerant pipe system Tel 01823 665660 Duplicated indoor units with priority Displayed
140. N GREEN GRY cno70 7 K A WHI F Filter oom 5 Indoor control P C board b 4 YEL RY005 CNO81 OS pave BLK BLK 4 Fuse T5 0A Power CNO66 supply cnos2 f4X4 WHI circuit BLU CN044 CN040 CN041 CNO50 CN074 CNo75 CNO61 CN032 CNo60 2X2 BRW BLU BLU WHI WHI WHI YEL WHI WH A ALAL AL ALALA A OOO COON OO NT VAY OV ON K1 X2X3 GX2XSXX5 3 K1 X2X3X4X5 X6 SANAA Kryera Xe coz XXe VEY Sub P C board MCC 1520 ININ NI NNI OYNI NN NSA GX2XSX4X5X6 GX2XXAX5XS T10 Fan drive Option Network adaptor A UES e ene A Option rg Flow selector HL8tvO0dV HI9E0dV HLZZOdY HL Z0dV HL8LOdYV ANIN unit earth screw IIA AAA eX Kas Xe cnor UXXSX4XSX6 WHI A l l Les RED 1 2No an T 4 RED Outdoor unit i E Closed a H Parts name d j J connecter ee a veers 1 O indicates the terminal block letter at inside indicates the terminal number FM Fan motor 2 A dotted line and broken line indicate the wiring at site RC Running capacitor F RED WHI 3 E77 indicates the control P C board TR Transformer T10A 250V RED_ 6 5 4 When attaching a drain pump exchange CN030 connector with a connector K2 of the float switch TA Indoor temp sensor 43F1 43
141. Outdoor power error Check code Check code name Cause of operation Communication line connection error between E20 42 Unit connected to other line When starting automatic indoor address a d07 Al NET during automatic address device in other line is connected outdoor units Sub code 01 Connection of outdoor in other line 02 Connection of indoor unit in other line Connector connection error for communication Outdoor I F P C board error Separate the wire between lines according to address setup method Sub code No of outdoor units which received signals normally YES Is outdoor unit setting backup Clear the error and then start operation 1 Check code Check code name Cause of operation NO E23 15 Communication sending error 1 Inter unit cable connection error between d07 AI NET between outdoor units outdoor units 2 Communication connector connection error r 7 NO j between outdoor units I F P C board error Is main power of follower unit turned on Turn on the main power supply 3 End terminal resistance setup error between YES outdoor units Is communication line between YES outdoor units connected normally Correct connection of communication line Correct communication line YES NO Y Is communication connector CN03 NO Correct connector connection NO between follower outdoor units connected Communication connector CNO3 Corr
142. P24GA 0481H Fan motor Drain pump motor SWF 200 90 1 ADP 1409 Float switch TA sensor FS 0218 102 Lead wire length 155mm TC1 sensor TC2 sensor TCJ sensor 4 size lead wire length 1200mm Vinyl tube Blue 6 size lead wire length 1200mm Vinyl tube Black 6 size lead wire length 1200mm Vinyl tube Red Pulse motor Pulse motor valve EDM MD12TF 3 EDM B60YGTF 1 Louver motor panel MP24GA 2 way Air Discharge Cassette Type Model MMU AP 0071WH 0091WH 0121WH 0151WH 0181WH Fan motor Running condenser for fan motor AF 230 53 4G AF 230 39 4B Running capacitor for fan motor Drain pump motor AC 400V 1uF AC 450V 2uF AC 400V 1 0uF AC 450V 2 0uF PJD 05230TF 1 Float switch Control P C board transformer FS 0208 608 TT 13 Pulse motor Pulse motor valve EDM MD12TF 3 EDM B25YGTF EDM B40YGTF TA sensor TC1 sensor TC2 sensor Lead wire length 268mm 4 size lead wire length 1200mm Vinyl tube Blue 6 size lead wire length 1200mm Vinyl tube Black TCJ sensor Model MMU AP Fan motor 6 size lead wire length 1200mm Vinyl tube Red 0241WH 0271WH 0301WH 0481WH AF 200 53 4F AF 200 92 4B Running condenser for fan motor Running capacitor for fan motor AC 450V 2 5uF AC 450V 3uF AC 450V 5uF AC 450V 2 5uF AC 450V 3 5uF AC 500V 5uF Drain pump motor Float switch PJD 05230TF 1 FS 0208 608 Control P C board t
143. Relay connector During setup of U2 address BE AJB uiju2 Ui U2 Remote Remote controller controller Individual AJB AJB Remote controller Group After address setup Relay connector Remote Remote controller controller Individual controller Outdoor interface P C board SW13 14 Line address SW30 2 Terminator resistor of indoor outdoor communi Outdoor unit cation line central control communication line Relay connector Indoor side Automatic setup Connect short after address setup Outdoor unit OFF after address setup Connect short after address setup OFF after address setup Connect short after address setup Line address 1 1 2 3 Indoor unit address 1 1 2 1 Group address 0 0 1 2 0 Relay connector NOTE Never connect a relay connector until address setup for all the refrigerant lines finishes otherwise address cannot be correctly set up Tel 01823 665660 Manual address setup from remote controller In case to decide an address of the indoor unit prior to finish of indoor wiring work and
144. SVDD OFF OFF ON svss ON SV12 OFF PMV1 2 Control PMV Control PMV Close Outdoor fan Control PMV3 Close Note 1 SV4 of the stopped compressor is ON 50 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 3 All heating operation Operation of heating only Outdoor unit Operating for evaporator MMMM High pressure gas or condensed liquid refrigerant Low pressure gas refrigerant Low pressure gas refrigerant Refrigerant recovery line EE High pressure refrigerant Push in circuit FS unit Indoor unit Outdoor unit Flow selector Indoor unit 4 way valve OFF SV3A OFF lt Heating thermo ON gt lt Heating thermo OFF gt SV4 n Note 1 SV3B ON SVD ON SVD ON SV5 OFF SV3C OFF SVS OFF SVS sSv6 Control SV3D Control SVDD SV11 i ON ON OFF SVSS OFF ON Outdoor fan Control Note 1 SV4 of the stopped compressor is ON 51 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 4 Mainly Cooling Partly Heating Operation Cooling heating simultaneous operation with subjective cooling operation Outdoor unit MM High pressure gas or condensed liquid refrigerant Low pressure gas refrigerant Low pressure gas refrigerant Refrigerant recovery line ME High pressure refrigerant Push in circuit
145. Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 1 Data display of system information Displayed on the header outdoor unit only Display contents Refrigerant name Displays refrigerant name Model with refrigerant R410A Model with refrigerant R407C 5 to 48 5to48HP HP 1 to 4 1 to 4 units P 0 to 48 O to 48 units No of connected units CO to C48 0 to 48 units No of units with cooling thermo ON 0 to 48 0 to 48 units No of connected units HO to H48 0 to 48 units No of units with heating thermo ON Data is displayed with hexadecimal notation System capacity No of outdoor units No of connected indoor units No of units with cooling thermo ON No of connected indoor units No of units with heating thermo ON Compressor command correction amount Release control Normal time r During release control r1 D FW F O S O S W gt w gt Refrigerant oil recovery operation During sending of cooling refrigerant oil recovery signal C1 Normal time C During sending of heating refrigerant oil recovery signal H1 Normal time H Automatic address Ad Automatic addressing FF Normal time Demand operation dU Normal time In 50 to 90 50 to 90 When controlling by commun
146. _ pajeaou0g Hulpuejs 100 4 6 1 2 ez Heronhill for all your Toshiba requirements RED Flow selector unit earth screw Indoor unit earth screw A cA Ok ZAZ Power supply single phase 220 240V 50Hz 220V 60Hz Closed end connector Tel 01823 665660 Outdoor unit Power supply circuit rial oe Net 00 work Adapter Option NH000000 Sub P C board MCC 1520 or 9 Remote Controller 1 Indicates the terminal bolock letter Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at side 3 indicate the control p c board www heronhill co uk Control P C board for Indoor unit MCC 1403 CN075 CN061 WHI YEL CNO81 P BLK P4 CN032 CNO60 WHI WHI FAN OPTION VE poy EXCT Poy FILTER lopow Color indication RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRAY PINK ORANGE BRW BROWN GREEN Parts name Fan motor Running capacitor Transformer Lover motor Indoor temp sensor TC1 TC2 TCJ Temp sensor RY001 Louver control relay RY002 Drain control relay RY005 007 Fan motor control relay PMV Pulse motor valve H 9SOdV HL8tO0dV HIL9EOdV HIZZ0dV HLVZ0dV HISLOdV HI
147. a etc 1 PMV control using two PMV 1 and 2 1 PMV Pulse Motor Valve is controlled between 90 to 1000 pulses during operation 2 In all cooling operation PMV opening is controlled based upon detected TL sensor temp and detected Pd pressure value Under Cool control 3 In all heating operation PMV opening is controlled based upon detected TS and TD sensor temp and detected PS pressure value Super Heat control 4 Close fully PMV opening when thermostat is OFF operation stops and A C stops in trouble PMV opening 2 PMV3 control 1 PMV3 Pulse Motor Valve 3 is controlled between 0 and 500 pulses during mainly cooling partly heating or mainly heating partly cooling operation 2 PMV3 opening is controlled according to demand capacity difference HP between cooling capacity and all heating capacity 3 Close fully PMV opening when thermostat is OFF operation stops and A C stops in trouble Remarks e In heating operation PMV2 is 0 pulses and PMV may be controlled by PMV1 only with the minimum 45 pulses Outdoor fan control 1 Fan control in all cooling operation 1 Outdoor fan speed mode is controlled based upon detected Pd pressure value 2 In a specified time when cooling operation started the center outdoor unit controls the outdoor fan speed based upon detected Pd pressure value 2 Fan control in all heating operation 1 Outdoor fan speed mode is controlled based upon detected T
148. a cloth dampened with tepid water For the remote controller use a dry cloth will wipe soft and dry cloth Do not use benzene thinner polishing powder or similar solvents for cleaning These may cause a crack or deformation Thinner a a L oremicai floor cloth lt If you do not use the unit for more than 1 month gt Operate the fan for half a day to dry inside of the main unit sufficiently Turn off the main power switch e Clean the air filter and then remount it as before Do not use Use after drying when it has not been used for a long time lt Before cooling season Concealed Duct High Static Pressure Type gt Cleaning of drain pan and drain receiver With strainer A CAUTION Clean the drain pan and the drain receiver strainer If the drain pan or the drain receiver chokes with dust water overflows or ceiling or floor gets wet REQUIREMENT For cleaning of the drain pan or drain receiver contact the dealer which you purchased the air conditioner Fax 01823 665807 ov Heronhill for all your Toshiba requirements 3 17 How to Use the Air Conditioner Efficiently To save the charges for electricity and to gain comfortable cooling heating operation Clean the air filter frequently Close window or door often If the air filter is clogged cooling heating efficiency Close window or door often so that cool hot air decreases does no
149. air filter ad i i 2 Clogging of the air filter decreases cooling heating efficiency Evo lt gt 7 ee push button E display disap S REMOTE CONTROLLER Noa 4 way Air Discharge Cassette Type When using an elevator panel move down the suction port with the elevator remote controller 1 Open the suction port e Slide the clip of the suction port to inside and 1 open the suction port slowly while holding it Strap to prevent falling 2 Take out the air filter e Push the extrusion of the air filter to inside and pull out it to take out the air filter 3 Cleaning with water or vacuum cleaner e If dirt is heavy clean the air filter by tepid water with neutral detergent or water e After cleaning with water dry the air filter sufficiently in a shade place 4 Mount the air filter 5 Close the suction port Close the suction port slide the clip outward and then fix it surely 6 Push E display disappears The oil guard filter does not surely collect oil soot Cleaning of oil guard filter though it has an excellent endurance against oil soot Clean the oil guard filter once per 2 weeks e Clean the oil guard filter by tepid water with neutral detergent or water After cleaning with water rinse and dry the oil guard filter suffi
150. and a check code is dis played on 7 segment display of the interface P C board of the outdoor unit Remote controller status No response 7 segment display of outdoor unit Line addresses and indoor addresses of all the connected indoor units are unset Countermeasures Set up addresses There is no outdoor unit of group control Set up group address Indoor unit power is not turned on Turn on the power again In order of indoor outdoor Indoor outdoor communication line is not correctly oN J connected to the outdoor unit Fig 1 Indoor outdoor cannot r I communicate before address setup SW30 Correct wiring There is none of outdoor terminal resistance or there are two or more resistances Before address setup Check SW30 bit 2 of the outdoor unit No connection between multiple refrigerant lines SW30 bit 2 ON Connection between multiple refrigerant lines SW30 bit 2 of the connected outdoor unit is turned on only in one line Address setup is performed with connecting indoor outdoor communication line between outdoor units Fig 3 Correct wiring Address setup is performed under condition of connecting between multiple refrigerant lines Fig 3 Correct wiring 8 5 3 There is no display of a check code on 7 segment display on the interface P C board of the outdoor unit though there is indoor unit which does not accept the operation from the remote
151. and also starts swinging in a model with flap 2 Using a setup _ _ _ v _ buttons the item code DN can be moved one step up 1 or down one by one 3 First set up the type and capacity code of the indoor unit The data at shipment from the factory is written in EEPROM by changing the type and capacity code 1 Set to the item code DN As before 2 Using the timer time 4 buttons set up the type 4 For example 0001 indicates 4 way Air Discharge Cassette type Refer to the attached table 3 Push button OK if display goes on 4 Using temperature setup a _ buttons set to the item code DN 5 Using the timer time 4 buttons set up the capacity code For example 0012 indicates 027 type Refer to the attached table 6 Push button OK if display goes on 7 Push button to return to the normal stop status 4 In the next the contents such as address setup which were set up at the local site after installation are written in EEPROM Execute again the operation in the above item 1 5 Using temperature setup _ _ __v_ buttons set to the item code DN Lighting time setup for filter sign 6 Compare the contents of the setup data which is displayed in this time with contents noted in a memo in Procedure 1 and customer s information 1 If data is incorrect change it using the timer time 4 buttons so that it matches with contents noted in a memo and then push button OK if display goes
152. ard FKX 220NK 6310US 0 63mH 25A MCC 1366 P C board P C board Control board MCC 1429 P C board IPDU 4T62DA1E 6 2kW MCC 1502 P C board Power supply board MCC 1439 P C board IPDU for fan IPDU 2D16DA1 800W MCC 896 MCC 897 Power complex module 6MBR25UA120 25A 1200V MCC 1502 P C board Pipe temp sensor TD 30 C to 135 C Ambient temp range Pipe temp sensor TS 20 C to 80 C Ambient temp range Heat exchanger temp sensor TE 20 C to 80 C Ambient temp range Outside temp sensor TO 20 C to 80 C Ambient temp range Oil temp sensor TK 30 C to 135 C Ambient temp range Liquid temp sensor TL 20 C to 80 C Ambient temp range Smoothing condenser For fan 400LRSN1000M 1000uF 400V Magnet SW FC 2S 400V 38A Thermistor ZPROYCE101A500 10029 13A 500V Line filter AC 3 4 Flow Selector Unit FS Unit P C board Control board MCC 1431 2 way valve coil VPV AC220 240V 50Hz VPV 122DQ1 SVSS SVDD VPV 1204DQ50 2 way valve 30 Tel 01823 665660 www heronhill co uk Fax 01823 665807 LE Heronhill for all your Toshiba requirements TO sensor TE sensor Check joint S2 sensor Low pressure Low pressure sensor SV2 valve SV42 valve SV3D valve SV3E valve SV3C valve yun 100p NnO UI no e Syke G F SV41 valve AA SV5 valve SV6 valve a cs y lt N esl fet g
153. ard MCC 1402 Remote controller communication circuit sy H8 3039 Float input Driver Louver None for Concealed Duct motor None for Concealed Duct type CPU Outside TMP88CH 47FG TMP88PH siete communication 47FG circuit Tel 01823 665660 ENU g Indoor Outdoor ui lu2 communication Outdoor unit Power supply 10220 240V 50Hz www heronhill co uk controller kit lt adA_ Ilem y IH edAL Hulas 1 pun adAL psepuejs nq pajeavuos adA ayjassey aHieuosig sry Aem p gt HI 19 01 U0D 9JOWA SSIj9JIM pue 1 01 U09 8 OLUAJ Y OG JO UOI DBUUOD Remote controller P communication ower circuit Circuit DC5V Sens Circuit Power 1 1 Power supply supply 3 Outdoor Outdoor Max 8 units are connectable 1 unit unit 1 However in a case that the network adaptor is installed maximum 7 units are connectable 2 The network adaptor is installed to only one unit 3 The weekly timer cannot be connected to the simple wired remote controller 4 Nome for high wall spearate sold parts for under ceiling Fax 01823 665807 691 Heronhill for all your Toshiba requirements Wired remote controller Weekly timer LCD driver Function setup Secondary battery Indoor unit 1 Network adaptor Option Network i adaptor Remote Indoor contr
154. ard but it is not a trouble 1 Contents of control e Turns on during compressor OFF Turns off when the detected TO sensor temp is 28 C or higher and turns on when it is 25 C or lower e The operation continues for 10 minutes after compressor OFF changed to compressor ON IPDU control IPDU controls the inverter compressor by command frequency frequency up down speed and current release control value from the interface P C board The main controls of IPDU control P C board are described below 1 Current release control The output frequency is controlled by AC input current value which is detected by inputting current sensor CT on the control P C board to prevent the inverter input current from rising higher than the specified value 2 Heat sink temp detection control 1 This control protects IGBT overheat preventive protection by the thermistor TH temp on the compressor driving module in IPDU x For TH temperature the higher one of IPDU1 temperature and IPDU2 temperature is applied 3 Over current protective control 1 The compressor stops when IPDU control P C board detects over current 4 Compressor case thermo control 1 When the compressor case thermostat works the compressor stops 2 When the compressor stops 1 is counted to the error count and the compressor reactivates after 2 minutes and 30 seconds After reactivated the error count is cleared if the operation continues for 10 minutes or
155. arge cassette 1 way Air discharge cassette Floor standing only Indoor Outdoor communication Also used for communication of the central control system Remote controller power supply LED HA T10 Optional output Remote controller inter unit wire lt adA Buipue s 4100 4 adAl payeadu0y BHulpue s 10044 adAL Joulqey Bulpuejs 10044 adA_ ainssailg 218IS ybIH nq pejesdu0yD adAL p sses obieyosig sly Aem adAl ayessey obieyosig 11y Aem z gt Fax 01823 665807 E0VL DDIN Heronhill for all your Toshiba requirements MCC 1520 lt 2 way Air Discharge Cassette Type 1 way Air Discharge Cassette Type Concealed Duct High Static Pressure Type Floor Standing Cabinet Type Floor Standing Concealed Type Floor Standing Type gt C03 CNO2 IGO MCC 1520 01 COMPONENT SIDE Power supply trans side Input Control P C board side Output 10 1 3 Flow Selector Unit Print Circuit Board MCC 1431 01 FOot MCC 1431 01 SOLDER SIDE DERI T l 172 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 1 4 Optional Connector Specifications of Indoor P C Board Function Humidifier output Connector No Specifications DC12V Output Remarks In heating thermo ON Fan ON Humidifier output ON Humidifier provided Drain pump ON is set up by CN70 short circuit or from remote controller
156. as not cut service according to the model Corresponding indoor address FS unit system error Corresponding An indoor unit which is not e Check setup of remote controller DN OFF unit only stops connected with FS unit is driving Check FS unit without setup for cooling only Check pipe connection to FS unit mode Mispiping between discharge gas and suction gas Check miswiring misinstallation of SVS SVD valves Duplicated central All stop Duplicated central control e Check central control address control addresses addresses e Check network adaptor PC board In case of Al NET IPDU1 error IPDU quantity error All stop No of IPDU units detected e Check model setup for outdoor I F service PC board IPDU2 error when power was turned on e Check connection of UART communication connector IPDU1 2 errors wore less Check IPDU fan IPDU and I F PC board error Fan IPDU error IPDU1 Fan IPDU error Note IPDU2 Fan IPDU error UART Universal Asynchronous Receiver Transmitter All IPDU error or communication error between IPDU and I F PC board or outdoor I F PC board error Detected indoor address Interlock in indoor Corresponding Outside error input terminal m Outside device is connected to connector CN80 unit from outside unit only stops Detected signal to CN80 for 1 Check outside device error more 1 minute 2 Check indoor PC board error Outside device is not connected to
157. atic Pressure MMD AP H Under Ceiling MMC AP H High Wall MMK AP x H Floor Standing Cabinet MML AP H Floor Standing Concealed MML AP BH Floor Standing Below 6HP MMF AP H Indoor unit capacity Item code 11 Model Invalid Setup data 007 type 048 type 056 type 009 type 012 type 072 type 015 type 096 type 018 type 024 type 027 type 030 type 036 type The initial setup value of EEPROM installed on the service P C board Tel 01823 665660 204 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 16 2 Outdoor Unit 16 2 1 Cautions in Service for Compressor 1 When checking the inverter output remove the both wires of the compressor as follows 16 2 2 How to Check Inverter Output 1 Turn off the power supply 2 Remove the compressor lead from the compressor Be sure to remove lead wires of both compressors 3 Turn on the power supply and drive the air conditioner in cool or heat mode In this case be careful so that a fasten terminal of the compressor lead does not come to contact with other fasten terminal or you don t touch other parts Set cabinet 4 Check the output voltage of the compressor lead at the inverter side If the result is not accepted by the following criteria replace IPDU PC board Measuring position
158. ation on the interface P C board of the outdoor unit of which address is to be cleared in the refrigerant line After checking that A d buS is displayed on 7 degment display and then push SW04 for 5 seconds or more Line Indoor Group address Tee 3 Cancel of line selection 5 7 To finish the setup After checking that A d nEt is displayed on 7 degment display and then push SW04 for 5 seconds or more Central control address Operation procedure 3 After A d c L has been displayed on 7 degment display return SW01 SW02 SW03 to 1 1 1 Here if the unit No is not called up the outdoor unit in 4 When the address clearing has correctly finished U 1 L08 is displayed on 7 degment display after a while this line does not exist 14 2 3 4 If A d n G is displayed on 7 degment display there is a possibility which is connected with the other Push CL button and then select a line according to refrigerant line Check again the relay connector between U1U2 and U3U4 terminals Push OL By 5 6 7 8 End NOTE Be careful that the other refrigerant line address may be also cleared if clearing operation is not correctly executed 5 After clearing of the address set up an address again Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 4 4 Check after Address Setup When Central Control System is Connecte
159. ations 1 In all heating operation the upper limit of the fan tap is set by one with higher temperature of TC2 sensor and TCJ sensor e When B zone has continued for 6 minutes the operation shifts to C zone e In defrost time the control point is set to 6 C CC A zone OFF 32 B zone Over 26 C below 28 C LOW C zone Over 28 C below 30 C MED D zone Over 30 C below 32 C HIGH E zone Ultra HIGH Remarks In D and E zones priority is given to remote control ler air speed setup In A and B zones 3 i displayed Freeze prevention control Low temp release 1 In all cooling operation the air conditioner operates as de scribed below based upon temp detected by TC1 TC2 and TCJ sensors To prevent the heat exchanger from freezing the operation stops e When J zone is detected for 5 minutes the command frequency becomes SO to the outdoor unit e In K zone the timer count is interrupted and held e When 7 zone is detected the timer is cleared and the operation returns to the normal operation e When the command frequency became SO with continua tion of J zone operation of the the indoor fan in LOW mode until it reaches the 7 zone It is reset when the following conditions are satisfied Reset conditions 1 TC1 gt 12 C and TC2 gt 12 C and TCJ gt 12 C 2 30 minutes passed after stop TC1 P1 10 C 5 Q1 0 C
160. ature and operation For every push of button the set time decreases in the unit of 0 5 hr 30 minutes starts after approximately 3 to 5 minutes The minimum set time is 0 5 hr When you select the Auto mode it is unnecessary to set the fan speed The FAN speed display will show AUTO and the fan speed will be automatically controlled 3 Push SET button After the heating operation has stopped FAN operation may continue for approx 30 seconds i r When the room temperature reaches the set temperature and the outdoor unit stops the super low wind is SET DATA display disappeared Od display goes on discharged and the air volume decreases excessively During defrost operation the fan stops so that cool When ON timer is activated time is displayed and after time of the timer has been up displays other air is not discharged and PRE HEAT 9 is displayed than ON disappear If the Auto mode is uncomfortable you can select the desired conditions manually Cancel of timer operation 4 Push CL button When restarting the operation after stop TIMER display disappears When restarting the operation immediately after stop the air conditioner does not operate for approx 3 minutes to protect the machine NOTICE Stop e When the operation stops after the timer reached the preset time the Repeat OFF timer resumes the Push button operaron by pushing button and stops the operation after the time of the timer has reached the
161. ay B on the interface P C board of the outdoor unit L08 Indoor address unset up If the address setup operation has already finished in service time etc the above check code is not dis played and only U1 is displayed on 7 segment display A 8 4 2 Address Setup and Check Procedure Automatic address Setup from SW15 on the interface P C board of the outdoor unit Manual address Setup from the weird remote controller For details refer to section 8 4 3 Address setup procedure 7 segment display A 7 segment display B Procedure Item Operation and check contents Interface P C board as Indoor unit power ON Turn on power of indoor unit in refrigerant line to which address is set up at OITENTA Outdoor unit power ON Turn on power of all the outdoor units in refrigerant line to which address is set up 7 segment display Check that L08 is displayed on 7 segment display B on the interface P C board of the check outdoor unit in the system to which address is set up Confirm the corresponding items in 8 4 3 Address setup procedure and then set up address according to the operation procedure Be sure that the setup operation may differ in group control or central control Note Address cannot be set up if switches are not operated Address setup start Display check after After address setup U1 are displayed in 7 segment display section setup If an error cod
162. board I F error e Negative phase was detected when the power turned on www heronhill co uk Fax 01823 665807 vel Check code Outdoor 7 segment display controller Check code Sub code 01 Compressor 1 side 02 Compressor 2 side Detected AI NET position central control remote controller Heronhill for all your Toshiba requirements Check code name Heat sink overheat error Status All stop Error detection condition Check item position IGBT built in temp sensor TH was overheated e Check power voltage e Check outdoor fan system error Check clogging of heat sink cooling duct e Check fixation between IGBT and heat sink Check screwing and contact e Check IPDU error IGBT built in temp sensor TH error Indoor address with trouble Indoor Indoor overflow error All stop Check the float switch connector e Check operation of drain pump unit Check the drain pump circuit Check clogging of drain pipe Check indoor PC board error e Float switch operated e Float switch circuit disconnected or the connector came off Indoor Indoor fan motor error Corresponding unit only stops e The value of motor speed deviated from target value was detected for certain time e Over current protection operated e Check connection of fan connector and wiring e Check fan motor error Check indoor PC board error e Check influence
163. c 1 Heat exchanger clogging 2 Air short circuit Eliminate the interfered causes lO NO Is SV2 circuit normal Repair SV2 circuit Coil error clogging disconnection of cable etc N YES NO Is SV4 circuit normal E YES Does check valve of main Repair SV4 circuit Coil error clogging disconnection of cable etc discharge pipe normally operate YES Refrigerant overcharge clogging pipe breakage abnormal overload condition Tel 01823 665660 Repair check valve Replace All heating operation a Does heatin g indoor fan NO Is connector connection of indoor normally operate YES Is indoor PMV normal YES NO Is connector coil no rmal connection heat exchanger fan or fan motor normal Repair faulty parts NO YES Are characteristics of sensor TC2 and TCJ resistance normal NO Is check valve of main YES NO Is there a clogging YES Replace PMV body S YE Repair faulty parts Replace TC2 or TCJ sensor Check indoor P C board Faulty gt Replace Repair check valve gt Replace discharge pipe normal YES Is there a cause to interfere operation of heat exchanger of indoor unit Repair check valve Replace YES Eliminate the interfered causes 1 Air filter clogg
164. cases water overflows from the drain pan and it may wet wall or floor Be sure to clean the drain pan before the cooling season Under Ceiling Type 1 Open the suction grille e Hold knob of the inlet grille push it rearward OPEN and then open the inlet grille quietly while holding it ANG Inlet grille knob 2 Take out the air filter in Ly i e Push knobs of the air filter to remove the claws of the Air filter ee inlet grille Remove the air filter by pulling it toward you Inlet grille Inlet grille ixing knob 3 Suck dust by a vacuum cleaner or clean with water e When dirt is heavy it is effective to clean the filter with tepid water with dissolved neutral detergent or cold water e After cleaning the filter with water dry the filter completely in the shade 4 Mount the air filter A 5 Close the inlet grille e Close the inlet grille slide the knob toward you and then fix it surely 6 Push E display disappears Pull out inlet grille while pushing hook Inlet grille knob i Inlet grille Air filter Fax 01823 665807 Lv Heronhill for all your Toshiba requirements High Wall Type Air inlet grille ee Air in the room is sucked from here lt Air inlet grille gt Wipe it with a dried soft cloth
165. cc a trouble on the oil equalization circuit etc is considered Check the compressor based upon 14 3 Check procedure search the cause of com pressor oil shortage 2 In case of oil amount of the troubled compressor A cc is 1000 lt A lt 1900 1 Adjust oil amount in the service compressor to A cc Lay down the service compressor and then extract oil by 1900 A cc from the oil equalization pipe 3 In case of oil amount of the troubled compressor A cc is 1900 lt A 1 Adjust oil amount in the service compressor to A cc Insert a hose into the discharge pipe or oil equation pipe of the service compressor and then add oil by A 1900 cc using a funnel or so on 184 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements In case of replacing of both troubled and normal compressors lt Removal of normal compressor gt e Remove the normal compressor same as the case to remove the troubled compressor NOTE e Be sure to apply insulation to the removed cable terminals with insulating tape etc A WARNING Be careful that oil in the pipe may emit fire when broiling the welded point with a burner lt Measurement of oil amount in the normal compressor gt As same as measurement of oil amount in the troubled compressor put the compressor on a scale and measure oil amount Oil amount of the normal compressor B cc
166. ciently in a shade place The cleaning interval for the oil guard filter is calculated under environmental condition of oil soot density 3 5mg m Adjust cleaning interval according to conditions of adhered oil soot or dirt Fax 01823 665807 OV Heronhill for all your Toshiba requirements Cleaning of discharge louver The air outlet flap can be removed to clean if necessary 1 Remove the air outlet flap 1 Holding the both ends of the air outlet flap remove it with sagging the center downward 2 Clean the air outlet flap with water If dirt is heavy clean the air outlet flap by tepid water with neutral detergent or water 3 Mount the air outlet flap e First push in the one side and insert the opposite side with sagging the center down ward Insert in the flap sagging down the center downward 0 Be careful to direction when mounting 3 the louver Insert _ Set the surface with printed mark upward and mount the flap so that the arrow mark of the printed mark directs outward 2 way Air Discharge Cassette Type 1 way Air Discharge Cassette Compact Type 1 Push PUSH at the center and left right of the suction port to open the suction port A Hold the center panel and pull it toward you and pull down it slowly downward The center panel can move either leftward or rightward Remove it after confirmation 2 Take out the air filter by lif
167. ck the address setup were duplicated Error detection condition Check item position 97 AI NET communication system error Operation continued E07 L07 L03 L08 was detected when other indoor unit in the group was defective Check multiple network adapters Check wire and miscabling of remote controller Only one network adapter can be connected to communication line of remote controller Duplicated network adapters Operation continued Check communication line miscabling and power of indoor unit Check communication X Y terminals Check network adapter PC board Check the central controller Central control remote controller etc Multiple network adapters were connected to communication line of remote controller Detected at central controller side Error in indoor group Operation continued Error of follower unit in the group Check follower unit in the group These errors are concerned to communication of remote controllers A B and central system AI NET X Y and the main remote controller displays E01 E02 E03 E09 or E18 in some cases and displays none in other cases according to the contents Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Cautions when servicing for compressor 1 Removing wires of both compressors check output of the inverter as described bel
168. ck there is no clogging and pipe breakage and then recharge refrigerant Is the flow selector unit normal Repair the flow selector unit Normal Refrigerant shortage Check there is no clogging and pipe breakage and then recharge refrigerant clogging pipe breakage Tel 01823 665660 www heronhill co uk Fax 01823 665807 6vl Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Check code name Check code name Cause of operation P19 08 4 way valve operation error 1 4 way valve error P17 bb Discharge temp TD2 error Outdoor unit service valve closed d07 Al NET Outdoor PMV error TD sensor error Refrigerant shortage clogging of refrigerant circuit 4 way valve error SV4 circuit leakage misinstallation SV5 circuit leakage SVE circuit clogging Mispiping of discharge gas suction gas pipes Is 4 way valve coil NO Correct connector connection 0 Flow selector unit error connector connected 4 way valve coil CN317 YES Open service valves fully d07 Al NET 2 TS1 sensor TE1 sensor error 3 Pd sensor Ps sensor error 4 TE sensor TL sensor misconnection Sub code Detected outdoor unit No NO Correct connector connection NO TS1 sensor CN504 TE1 sensor CN505 Are service valves of gas and liquid sides fully opened YES Are TS1 TE1 connectors Pd Ps sensor connected YES
169. code 01 Communication between indoor and outdoor 02 Communication between outdoor units Are U1 U2 U3 and U4 connectors connected YES Disconnect connector connection Turn on power of of U1 U2 U3 and U4 outdoor unit again y Is indoor unit quantity connected NO Si aT to outdoor unit correct Correct communication line Check code Check code name Cause of operation YES E15 42 No corresponding indoor unit 1 Communication line connection error d07 AI NET during automatic address between indoor and outdoor Set up indoor address again 2 Indoor power system error 3 Noise from surrounding devices 4 Power failure Is communication line between indoor and outdoor normal YES 5 Indoor P C board error NO Correct communication line Is connection of CN40 connector on indoor P C board correct YES Is connection of CNO1 NO Correct connection of connector NO connector on I F P C board of Correct connection of connector header outdoor unit correct When there is no address duplication check to the following flowchart Using a main remote controller RBC AMT21E check the setup item codes DN code 12 13 and 14 Is cable connection to NO Beas Wik ae communication line normal orrect wire connection YES Set up address again Refer to Address setup procedure YES Is not communication line connected to the different outdoor unit NO Ch
170. connector CN80 1 Check indoor PC board error Extended IC Operation PC board I F parts error Check indoor I F PC board Integrated Circuit continues error Tel 01823 665660 www heronhill co uk Fax 01823 665807 ech Check code Outdoor 7 segment display controller Check code Sub code AI NET central control remote controller Heronhill for all your Toshiba requirements Detected Check code position Indoor Indoor fan motor error Status Error detection condition Check item position Corresponding e Check the lock of fan motor AC fan unit only stops e Check cabling I F Discharge temp All stop Discharge temp TD1 Check full opening of outdoor service valves Gas side Liquid side TD1 error exceeded 115 C Check clogging of outdoor PMV PMV1 2 e Check characteristics of TD1 sensor resistance value e Check refrigerant shortage e Check 4 way valve error Check leakage of SV41 circuit e Check SV4 circuit Miswiring and misinstallation of SV41 and SV42 e Check leakage of SV5 circuit Check leakage of SV6 circuit Capillary clogging valve operation error e Check mispiping of discharge gas suction gas main pipe e Check Flow selector unit Check leakage of SVD valve and SVS valve Check leakage of SVDD valve and SVSS Check mispiping of FS unit connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connec
171. controller Main check items Relay connector 1 Is relay connector of the outdoor unit connected after address setup Terminator resistor 2 Is the end resistance SW30 2 of the outdoor unit with the least address number in the central control line turned on 3 Are the terminal resistance SW30 2 of the outdoor units in except the line of which central control line address is the smallest turned off Line address NOTE The above table does not describe all the electric cablings For details refer to each installation manual 4 Are not addresses in the line address SW13 SW14 duplicated in each refrigerant line for outdoor unit indoor unit remote controller and optional devices www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 5 Troubleshooting in Test Operation If the phenomena appear such as a check code is output or the remote controller is not accepted in power ON after cabling work or in address setup operation the following causes are considered 8 5 1 A check Code is Displayed on the Remote Controller Check code displayed on remote controller Outdoor unit 7 segment display Outdoor power is formerly turned on Countermeasures Turn on the power again In order of Indoor gt Outdoor There is none of outdoor terminator resistor or there are two or more resistances After address setup Check SW30 bit 2 of the
172. cooling part heating operation Cooling unit O SVD circuit pisenarge gas pipe at outdoor unit side of the flow selector unit is of coil Mainly cooling part heating operation Cooling unit Refrigerant circulating sound is not heard from SVS valve but it is SVD amp SVS heard from SVD valve All heating operation All L18 Flow San ppe ar indoor sida of the flow selector unit is cold Cooling Miswiring Mainly cooling part heating operation Heati ng gnit O SVS circuit se ector unit Refrigerant circulating sound is not heard from SVD valve but it is Mainly heating part cooling operation Heating unit erro heard from SVS valve All cooling operation All TCJ is higher than normal indoor unit Mainly cooling part heating operation Cooling unit O SVSS circuit Gas pipe at indoor side of the flow selector unit is not cold Mainly heating part cooling operation Cooling unit Refrigerant circulating sound is heard from SVSS valve SVS valve P19 4 way i All heating operation All valve reversal Compared with normal indoor unit TCJ is low O SVS circuit error Temperature of suction gas pipe at outdoor side of the flow selector unit is higher than that of normal flow selector unit Mainly cooling part heating operation Heating unit Refrigerant circulating sound is heard from SVS valve circuit Mainly heating part cooling operation Heating unit All heating operation All 7 P i Indoor unit In sta
173. cut ON switch unit only ON during demand OFF in normal time 1 SW2 Power peak cut OFF switch Power peak cut OFF during demand ON in normal time 1 control board LC 4 Input signals of SW1 and SW2 are acceptable even if they are longer then pulse input 100mm sec or serially made However do not turn on SW1 and SW2 simultaneously x Be sure to prepare a contact for each terminal Relay contact capacity of operation port Below AC240V 0 5A COS 100 Below DC24V 1A Non inductive load i Note When connecting non inductive load such as relay coil to L1 load insert the noise surge absorber CR In case of serial signal In case of AC or counter electromotive proof diode l I I In case of DC into the bypass circuit lox ol lex ol poe Power peak cut control board TCB PCDM2E In case of pulse signal Procured pply Max AC240V i locally Outdoor unit destination to be connected becomes the header outdoor unit U1 Setup when Power peak cut control requested Power peak cut control board Outdoor unit interface P C board TCB PCDM2E SW07 Bit 1 OFF SW07 Bit 1 ON Power peak cut ON signal is input 0 Forced stop Capacity 60 Upper limit restriction Power peak cut OFF signal is input 100 Normal operation 100 Normal operation lt Setup positions of header outdoor unit lt Connector position magnified drawing gt interface P C board gt OFF Operation stop to 100
174. d 1 Operation Handle a wired remote controller in the following procedure Use the wired remote controller during stop of the system Be sure to set up the wired remote controller to the header unit Same in group control In a group control if the wired remote controller is set up to the header unit both header and follower units are simultaneously operable Push concurrently SET CL 4 buttons for 4 seconds or more The unit No displayed firstly indicates the header indoor unit address in the group control In this time the fan of the selected indoor unit turns on 2 Every pushing _uNiT_ button the indoor unit numbers in group control are displayed succes sively In this time the fan of the selected indoor unit only turns on 3 Using the setup temp _a_ or _w_ button specify the item code 7 4 using the timer time 4 Jor button select the setup data At shipment LEEG The setup data are as follows Setup data Handling of operation of air to air heat exchanger or ventilating fan gaod Unavailable At shipment GGG I Available 5 Push SET button OK if display goes on e To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure J 6 Pushing 2 returns the status to the usual stop status 2 Wiring Relay DC12V procured locally 4 way Air Discharge Cassette type CN3
175. d When the central control system is connected check the following setup has finished after address setup In case of increase the address undefined indoor units Extension etc If set up the indoor address of which address is undefined accompanied with extension of indoor units replace S8 ment of P C board etc follow to the methods below Method 1 Set up an address individually from a wired remote controller Line address Indoor address Group address Central address For the setup method refer to the above Manual address setup from remote controller Method 2 Set up an address from the outdoor unit Leave the address of the unit of which address has been already set up as it is Set up an address only to the unit of which address is undefined The addresses are allocated from the low number Setup procedure Arrange the outdoor units in the refrigerant line to which indoor units are added Figure below 1 Remove the relay connector between U1U2 and U3U4 2 Turn on SW30 2 on the interface P C board at outdoor unit side if it is OFF Turn off the power and then execute the operation Central control device U1 U2 U3 U4 Outdoor unit Outdoor unit Outdoor unit U3 U4 u3 U4 uU3 U4 Disconnected Ys rua fusyue u1 u2 uslue furua _ fugue U1 U2 u1 u2 Ut U2 U1 U2 A B AJB A
176. d for 5 minutes when power has been turned on at first time after installa tion and 1 minute when power has been turned on at the next time and after After the specified time has passed perform a test operation Push Start Stop button and change the operation mode to COOL or HEAT with Mode button Then change the fan speed to High using Fan button Test cooling operation Test heating operation Set temperature to 18 C using Temperature set button Set temperature to 30 C using Temperature set button After checking the receiving sound Pi immediately push Temperature set button to set to 19 C After checking the receiving sound Pi immediately push Temperature set button to set to 29 C After checking the receiving sound Pi immediately push Temperature set button to set to 18 C After checking the receiving sound Pi immediately push Temperature set button to set to 30 C Then repeat the procedure 4 5a 4 5 After approx 10 seconds all the display lamps on the sensor part of wireless remote controller Opera tion Green Timer Green and Ready Yellow flash and the air conditioner starts operation If the lamps do not flash repeat the procedure 2 and after After the test operation push Start Stop button to stop the operation lt Outline of test operation from the wireless remote controller gt Test coolin
177. d on the display section of the remote Fi K r S controller Oh N E R C No V The check code is displayed while the air condi g siaa tioner operates If the display disappeared operate the air Woe uhe conditioner and check the error based upon the Check code magor unit o i which following Confirmation of error history 2 Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following procedure 3 Up to 4 error histories are stored in memory This history can be confirmed from either operat ing status or stop status Procedure When pushing SET If Service Check is displayed the mode enters in the error history mode 01 Error history order is displayed in code number window e Check Code is displayed in check code window e Indoor unit address with error is displayed in UNIT No Every pushing temp set Ca_ Cy buttons the error histories stored in the memory are dis played in order The numbers in item code indicates item code 01 Latest to 04 Oldest Do not push CL button because all the error histories of the indoor unit will be deleted After confirmation push E button to return to the usual display 112 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements In cas
178. d set up temp is displayed 1 1 Remote controller sensor display Displayed while the sensor of the remote controller is used www heronhill co uk 12 13 14 15 16 17 15 PRE HEAT display Displayed when the heating operation starts or defrost operation is carried out While this indication is displayed the indoor fan stops or the mode enters in LOW Operation ready display Displayed when cooling operation is unavailable because heating operation is performed No function display Displayed if there is no function even if the button is pushed Air volume select display The selected air volume mode is displayed AUTO Ox HIGH 33 MED B Low In the Concealed Duct High Static Pressure type models HIGH only is displayed for the air speed Mode select control display Displayed when pushing Operation mode select button while the operation mode is fixed to heating or cooling by the system manager of the air conditioner Central control display Displayed when using the remote controller together with the central control remote controller etc If Remote controller is prohibited at the centralcontrol side oO flashes when operating Co JD CS_ _ C _ buttons and the change is not accepted The contents available to be set up on the remote controller differ according to the central control mode For details refer to Owner s Manual of the central control remote controller
179. d side TL Indoor unit data NOTE 2 Indoor discharge temp Tf NOTE 1 Outside ambient temp TO Low pressure saturation temp TU Indoor PMV opening Outdoor unit individual data Compressor 1 current I1 No of connected indoor units Compressor 2 current 12 Total HP of connected indoor units PMV1 2 opening Compressor 1 2 ON OFF No of connected indoor units System data Outdoor fan mode Total HP of outdoor units Outdoor unit HP NOTE 1 Only a part of indoor unit types is installed with the discharge temperature sensor This temperature is not displayed for other types NOTE 2 When the units are connected to a group data of the header indoor unit only can be displayed NOTE 3 01 Compressor 1 only is ON 10 Compressor 2 only is ON 11 Both compressor 1 and 2 are ON 106 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 TROUBLESHOOTING 9 1 Troubleshooting Summary 1 Before troubleshooting 1 Applied models Super Heat Recovery Multi type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXXFT8 2 Required tools measuring devices e Screwdrivers Philips Minus spanner radio pinchers nipper push pin for reset switch etc e Tester thermometer pressure gauge etc 3 Confirmation before check The following items are not troubles Operation Check items
180. de name control display aparaton Timer Ready Flash Main remote Outdoor 7 segment display controller display Sub code Judging device Communication error between indoor and remote controller Detected at remote controller side Remote controller a e Remote nding error of rem ntroller Sending error of remote controlle controller Communication error between indoor and remote controller Detected at indoor side magor Communication circuit error between indoor and outdoor Detected at indoor side Indoor No of indoor units in which sensor has been normally received Decrease of No of indoor units VF Communication circuit error of indoor and outdoor Detected at outdoor side VF Indoor VF Remote controller Duplicated indoor addresses Duplicated indoor addresses Duplicated master remote controllers Communication error in indoor P C B ass y Indoor 01 Indoor Outdoor communication 02 Communication between outdoor units Automatic address start error VF No indoor automatic address VF 00 Capacity over 01 No of connected units No of connected indoor units Capacity over VF Communication error between indoor header and follower units ndeor 00 No header unit 02 Two or more header units Outdoor header units quantity error VF 01 Outdoor of other line connected Other line connected during automatic VE 02 Indoor of ot
181. ded in the compressor case or not is judged 2 From relation between the detected temperature of the operating compressor TK1 or TK2 and detected temperature of TK3 TK4 whether oil level in the compressor case is right or not is judged If it is insufficient the control shifts to the oil equation control 3 This control is usually performed during operation of the compressor Oil separator Compressor 1 Compressor 2 TK2 Oil tank Balance pipe Packed valve ye 60 www heronhill co uk e The detection is per formed in both cases of operation of a compressor and operation of two compressors e Adequate oil level Stan dard 1 The oil level of the compressor 1 is adequate when TK1 TK3 gt 15 C 2 The oil level of the compressor 2 is adequate when TK2 TK3 gt 15 C Fax 01823 665807 Oil short protective control Heronhill for all your Toshiba requirements Operation explanation and applied data etc This control is provided to prevent the oil short in the compressor This control is basically performed by ON OFF operation of the solenoid valves SV3A SV3B SV3C SV3D For the schematic diagram of oil short protective control 1 Oil short protective control The protection stops when the status of oil short continues for 30 minutes and it restarts after 2 minutes and 30 seconds after After then if the protection stop is repeated 3 times
182. ding There is any trouble in power Indoor PC board failure indoor PC board assembly unit only stops line Tel 01823 665660 www heronhill co uk Fax 01823 665807 9L Check code Main Outdoor 7 segment display remote controller Check code Sub code AI NET central control remote controller Heronhill for all your Toshiba requirements Detected position Check code name Status Error detection condition Check item position E12 E12 01 Indoor outdoor communication 02 Between outdoors communication 42 Automatic address start error All stop e When indoor automatic address started other refrigerant circuit system was setting automatic address e When outdoor automatic address started indoor automatic address was executed e Setup the address again after disconnecting communication connection with other refrigerant circuit system No corresponding indoor unit during automatic address All stop Indoor unit is not found when indoor automatic address start was set up e Check the communication line connection between indoor and outdoor e Check the electric power line error in indoor e Check the noise of surrounding devices e Power failure e Check indoor PC board error 00 Capacity over 01 to No of connected units No of connected indoor units Capacity over All stop e Total capacity of indoor units exceeded 135 of total outdoor capacity
183. ding Type Tel 01823 665660 MML AP0241H 024 type MML AP0071BH 007 type MML AP0091BH 009 type 2 5 0 8 MML AP0121BH 012 type 1 25 MML AP0151BH 015 type 1 MML AP0181BH MML AP0241BH 024 type MMF APO151H 015type MMF AP0181H 018 type T 2 2 5 2 MMF AP0241H 024 type MMF AP0271H 027 type MMF AP0361H 036 type MMF AP0481H 048 type MMF AP0561H 056 type 11 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements E Remote controller switch Wired remote controller Simple wired remote controller Weekly timer TOSHIBA O ORR ae CODE No AnA oA OSs OR CHORE OF ae aaan COU ni Hi n a 2 BAAR Slowmes ooeh i REFA Appearance voeson oo I ee Gp S CesCEIC aod a Deom Model name RBC AMT21E RBC AS21E RBC EXW21E Receiver section laid separately Appearance Model name RBC AX2U W E RBC AX22CE TCB AX21E 4 way Air Discharge Si Type Cassette type Under Ceiling type Separate sensor type Central remote controller D ORORREANON TO oe win GETS riri Saga o ox El aa aD Oo opan rs 2 CO Appearance Model name TCB SC642TLE Type 64 system center controller 12 Tel 01823 665660 www heronhill co uk Fax
184. door fan IPDU error All stop Error detection condition Sub code 0 e Short circuit current was detected at start time e Short circuit current was detected when checking IGBT short circuit before start time Check item position e Check fan motor Interphase short circuit e Check fan IPDU error All stop Sub code 1 e The standard value of detection circuit of fan IPDU current fluctuated at start time e Check fan IPDU error All stop Sub code 3 e Abnormal current was detected within 30 seconds after start time e Check fan motor Lock phase missing e Check cause of abnormal overload at start time e Check connection of connector to fan motor All stop Sub code 4 e Short circuit current was detected when 2 seconds or more passed after start time e Over current was detected when 30 seconds or more passed after start time e Check power supply voltage e Check fan IPDU error All stop Sub code C e Heat sink sensor TH of fan IPDU detected 95 C error e Check outdoor fan system e Check fan IPDU error e Check fixation between fan IPDU and heat sink All stop Sub code D e Heat sink sensor TH of fan IPDU detected short circuiting or open e Check fan IPDU error All stop Sub code E Input power supply voltage of the fan IPDU over the setup value was detected Input power supply terminal of the fan IPDU was unconnected e Power su
185. due to the center of gravity Take off the hooks from the upper part of the electric parts box and move it to the valve side NOTE If installed status of the moved electric parts box is unstable it may fall down When the electric parts box is unstable take off all the cables inside of the electric parts box and then remove the entire electric parts box completely Remove the lower duct M4 x 4 Take off the sound insulation mat Remove the crank case heater temporary hooking e Take off the terminal cover of the compressor the wiring to rN WARNING the compressor and the case thermostat unit Be careful that oil in the pipe may emit NOTE Be sure to apply insulate to the removed cable fire when broiling the welded point with a terminals with insulating tape etc To exchange the burner compressor remove cables of the compressor only Remove the discharge pipe suction pipe and oil equation pipe Take off the hexagonal bolts fixing the compressor One side of hexagon 13mm x 2 pcs a compressor NOTE Only two hexagonal bolts are provided to a com pressor but it is not lack Remove the compressor Positions to be removed 3 positions In case of right side Left side is same as right side lt Measurement of oil amount in the defective compressor gt e Put the troubled compressor on a scale and measure oil amount oy lt ij M4 Oil amount of the troubled compress
186. e MMU AP0071WH 007 type 1 MMU AP0091WH 009 type MMU AP0121WH 012 type MMU AP0151WH 015 type 1 25 1 7 MMU AP0181WH 018 type MMU AP0241WH 024 type MMU AP0271WH 027 type MMU AP0301WH 030 type MMU AP0481WH 048 type MMU AP0071 YH 007 type MMU AP0091YH 009 type MMU AP0121YH 012 type MMU AP0151SH 015 type MMU AP0181SH 018 type MMU AP0241SH 024 type Concealed Duct Standard Type MMD AP0071BH 007 type 0 8 MMD AP0091BH 009 type 1 1 25 MMD AP0121BH 012 type MMD AP0151BH 015 type MMD AP0181BH 018 type 1 7 2 MMD AP0241BH 024 type MMD AP0271BH 027 type MMD AP0301BH 030 type 2 5 3 2 3 MMD AP0361BH 036 type MMD AP0481BH 048 type 5 6 Concealed Duct High Static Pressure Type MMD AP0561BH 056 type MMD AP0181H 018 type MMD AP0241H 024 type 5 MMD AP0271H 027 type MMD AP0361H 036 type MMD AP0481H 048 type Under Ceiling Type MMC AP0151H 015 type 7 MMC AP0181H 018 type 2 5 MMC AP0241H 024 type MMC AP0271H 027 type MMC AP0361H 3 Floor Standing Cabinet Type MMC AP0481H 048 type MMK AP0071H 007 type MMK AP0091H 009 type 0 8 1 MMK AP0121H 012 type 1 25 MMK AP0151H 015 type 1 MMK AP0181H MMK AP0241H 024 type T 2 2 5 0 8 1 1 25 MML AP0121H 012 type MML AP0151H 015 type MML AP0181H 018 type 1 7 2 Floor Standing Concealed Type Floor Stan
187. e board assembly is to be replaced replace it properly in accordance with the model following this procedure manual lt Replacement steps gt 1 2 8 9 Turn off the power supply of the outdoor control unit Turn off the power supply of the outdoor unit Confirm that the charged voltage of the condenser has been fully discharged Confirm that the voltage between CN13 and CN15 is OV Remove all of the connector and fasten and screw terminals connected to the A3 IPDU board Remove the connector and fasten terminals by holding them Remove 2 screws that fix the IGBT Q200 of the Comp IPDU board to the heat sink Remove the Comp IPDU board from the four card edge spacers Set the dip Switch SW801 of the Comp IPDU board as instructed in the table below If the model is not specified inspection L29 is displayed and the equipment will not operate Comp IPDU No JAt shipment No 1 After setting the dip Switch of the service board apply silicone grease evenly onto the IGBT and install it in the outdoor control unit Confirm that it is securely fixed to the card edge spacers Fix the IGBT of the Comp IPDU board to the heat sink with two screws serted 10 If a component part on the board is bent during board replacement adjust it manually not to contact other parts 11 Install the cover then turn on the power supply Check the operation Board layout the inverte Switch layo
188. e displayed on the display section of the remote controller In the following cases the protective device may work www heronhill co uk In cooling operation The suction port or discharge port of the outdoor unit is closed A strong wind continuously blows to the discharge port of the outdoor unit In heating operation e Dust or waste adheres excessively to air filter of the indoor unit The discharge port of the indoor unit is closed If the protective device works turn off the main power switch solve the cause and then start the operation again Cooling Heating operation of Multi system air conditioner lt Standard type gt Although each indoor unit can be individually con trolled in the Multi system air conditioner the cooling operation and the heating operation cannot be simultaneously performed in the multiple indoor units which are connected to an outdoor unit If doing so the indoor unit in cooling mode stops and KO at operation part goes on The indoor unit in heating mode continues operation When the operation mode has been fixed to cooling or heating by the system manager of the air conditioner an operation other than the setup mode cannot be performed If an operation other than the setup mode is per formed KO at operation part goes on and the operation stops lt Simultaneous operation type gt When the outdoor temperature goes out of the operable range cooling or heating ope
189. e is displayed in 7 segment display B remove the cause of trouble referring to 9 Troubleshooting Using 7 segment display function check the system information of the scheduled system This check is executed on the interface P C board of the outdoor unit Swot SWw02 SW03 Rotary switch setup 7 segment display lt Check on indoor unit gt System information swo1 swo2 swo3 A B 1 Display check on remote controller In case of wired remote controller chock anor estup System capacity 1 2 3 No of HP HP Check that a frame as shown in the following left figure is displayed on LC display section of the remote No of connected indoor units 1 4 3 Connected No of units controller O After the above checks return rotary switches SW01 SW02 SWO3 to 1 1 1 X 7 segment Push switch Push switch Interface P C board displey A Swos aes Push switch maere ri 7 i SW15 i ji ys Iir S as mans asss ara g aodo T BOT 7 segment 7 display B Normal status Abnormal status Power and operation stop Power is not normally turned on If a frame is not displayed as shown in the above right figure the power of the remote controller is not normally turned on Therefore check the following items Check power supply of indoor unit e Check wiring between indoor unit and remote controller e Check whether there is cutoff of cable around the indoo
190. e it Push the band against rubber without clearance Slide the square hole side toward arrow mark 4 Push claw side against the rubber Fax 01823 665807 Heronhill for all your Toshiba requirements Part to be Work procedure Remarks exchanged Exchange of accumulator ele Put on gloves during working otherwise an injury may be caused by parts etc Before work be sure to recover the refrigerant into a cylinder or the other linked unit so that there is no refrigerant in the outdoor unit 1 Remove the lower cabinet rear side 2 Take off fixing screws M6 x 3 pcs for accumulator leg amp base board 3 Remove the accumulator fixing board lt fixing screws of accumulator M6 x 2 pcs The accumulator fixing board is fixed to the middle partition board Take off the screws only which fix to the accumulator unit 4 Remove the pipe brazing part connected to SV2 valve 5 Remove the discharge cabinet fan and motor base 6 Take off the accumulator cover amp fixing screws M5 x 4 pcs of the middle partition board and then pull out it upward 7 Using a pipe cutter cut off entrance exit pipe of accumulator at the specified posi tion For the cut off position refer to the Manual attached to the repair parts 8 Pull out the accumulator upward 6 Accumulator cover y 7 Cut pipe at t 6 entrance exit ports 3 Accumulator A 6 T
191. e of central remote controller TCB SC642TLE aia TTR ey is IRD B KANDIS Aae DH ORSASABO HCO ai Ba ol iy og mp HU ae apse CALE GROUP C DORS AAMMO BIC ca c 7 _ JC 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor unit No are displayed on the display section of the remote controller The check code is displayed while the air conditioner operates If the display disappeared operate the air conditioner and check the error based upon the following Confir mation of error history Unit No display Alarm display UNIT No A 3I 0 l D m n Alternate flashing display C ttl RC No i Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following proce dure Up to 4 error histories are stored in memory This history can be confirmed from either operating or stop 3 When selecting flash the group number if there is the alarm history the UNIT number and the latest alarm history are displayed alternately In this time the temperature cannot be set up 4 To confirm the alarm history other than the latest one push temp set __a_ _w _ to select Item code 01 to 04 GROUP 5 To confirm the alarm in the other group push and C C gt to select the group number Do
192. e parts Tene cae SV3E valve clogging Open SV3E valve manually under condition that nitrogen gas is pressed in Clogging of oil return from check joint of discharge pipe When gas does not output from welded capillary part of suction pipe where compressor has been removed there is clogging at SV3E valve or oil return capillary Exchange the parts SV3D valve capillary Open SV3D valve manually under condition that nitrogen gas is pressed in clogging from check joint of discharge pipe When gas does not output from welded Clogging of oil return part of suction pipe where compressor has been removed there is clogging capillary at SV3D valve or oil return capillary Exchange the parts 187 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Propeller fan Fan motor Right side straner Main heat exchanger Main heat exchanger B Auxiliary heat exchanger Right side l KE Q oe so Auxiliary heat exchanger Leftside A Check PIV3 valve K Solenoid O valve Solenoid Capillary Check joint valve tube Capillary tube Solenoid valve Nitrogen pressure Check Solenoid valve ore l 3 cumulator Nitrogen pressure Compressor 1 Inverter Service Service Service Service valve of valve at valve at valve at balance liquid discharge suction pipe side gas side gas side H G E F 188 Tel 01823 665660 www heronhill co uk Fax 01823
193. e wrench 10 Hexagon wrench Opposite side 4mm S Pipe cutter 11 Tape measure 12 4 Reamer Metal saw 5 Pipe bender 6 Level vial 1 1 1 Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 Recharge of Refrigerant When recharge of the refrigerant is required charge the new refrigerant with the specified amount in the procedure as described below Recover the refrigerant and check there is no refrigerant in the equipment When the pressure has lowered until indication of the compound gauge pointed 0 1MPa 76cmHg open fully the handle Low and turn off the power of vacuum pump Connect the charge hose to the packed valve service ports at gas side liquid side and balance side of the outdoor unit Leave it as it is for 1 to 2 minutes and check the indicator of the compound gauge does not return Connect the charge hose to vacuum pump adaptor Set the refrigerant cylinder on the electron balance connect Open the packed valves of the balance pipe fully at liquid and gas the charging hose to connecting ports of the cylinder and the sides and then return the valve at gas side a little to the closed side electron gauge and then charge the liquid refrigerant from the service port at li
194. ease function 3 Low pressure release function Connector CN310 White 1 Increase of No of heating indoor units Gas balance function in defrost time 2 Low pressure balance function of discharge gas pipe during all cooling operation Connector CN309 White 1 Liquid bypass function for discharge temp release Cooling bypass circuit Connector CN322 White 1 For shutdown discharge gas During all cooling operation and defrost operation Connector CN319 White 1 Flow rate control function of refrigerant to sub heat exchanger during simultaneous operation 2 Flow rate control function of refrigerant to sub heat exchanger during defrost operation 4 way valve Connector CN317 Blue 1 Cooling Heating selection 2 Reverse defrost 3 Main Sub heat exchanger selection Pulse motor Connector CN300 301 White valve 1 Super heat control function during all heating operation and mainly heating partly cooling operation 2 Under cool adjustment function during all cooling operation 3 Divided flow control function during mainly cooling partly heating operation Connector CN302 Red 1 For flow rate control of sub heat exchanger during simultaneous operation Control function of heating divided flow 2 A function preventive high pressure up during all cooling or all heating operation Oil separator 1 Prevention for early drop of oil level Decrease of flow out of discharge oil to cycle 2 Reserve function of su
195. eating operation is in PRE HEAT states the flap adjustment plate of up down wind direction directs upward The swinging starts after PRE HEAT remote controller even if the heating operation is in PRE HEAT How to set up the air direction Push CT during operation The air direction changes for every push of the button In HEAT operation Direct the flap adjustment plate of up down air direction downward If directing at upward hot air may not come to the foot In COOL DRY operation Direct the flap adjustment plate of up down air P direction upward If directing it downward the dew may from on the surface of the air dis charge port and may drop down Initial setup P In FAN operation In all modes PI V ore 5 I y Series of How to start swing operation a Initial setup 2 Push CT _f _ set the flap adjustment plate of up down air direction direction to the lowest position and then push _ f7 again SWING is displayed and the up down wind direction is automatically selected Display when stopping the swing Fan Heat Cool Dry operation operation How to stop swing 3 Push SWING WIND again while the flap is swing The flap stops at a position when you push After then if pushing CE the air direction descends from the highest position In COOL DRY operation the flap does not stop as it directs downward If stopping the flap as it directs down
196. eck code Check code name Cause of operation E09 99 Duplicated master Setup of master remote controller is dupli d07 Al NET remote controller cated Are two remote controllers set up YES Correct setup of remote controllers as a master as two master remote controllers a other Remote controller address connector NO Check remote controller P C board Failure gt Replace YES Is there any connection YES error of power wire Correct power wire NO YES 7 E10 CF Communication error Indoor P C board error A ssy failure Did a power fail 2 Set up address again after d07 Al NET in indoor P C board A ssy R ure oceuns resetting power supply NO Checkcode code Check code name Cause of operation YES ine i Eliminate noise Is there any trouble on power line Check power voltage on line Is there no noise source s there any trouble on power line Eliminate noise etc NO gt Check indoor control P C board Set up address again Failure gt Replace after resetting power supply Tel 01823 665660 www heronhill co uk Fax 01823 665807 cel Check code Check code name Cause of operation E16 89 d07 Al NET Connected indoor units capacity over Heronhill for all your Toshiba requirements 1 There are 48 or more connected indoor units 2 Capacity over of total connected indoor units 3 Incorrect setup of indo
197. ecreases When the outside temperature is too low it is recom mended to use this air conditioner together with other heating equipment Defrost during heating operation In heating operation if there is frost on the outdoor unit the operation changes automatically to the defrost operation Approx 2 to 10 minutes to increase the heating efficiency During defrost operation the fan of the indoor unit stops 3 minutes protection When restarting the operation just after the operation has been stopped or the main power switch has turned on the outdoor unit does not work for approx 3 minutes in order to protect the air conditioner Power failure If a power failure occurred during operation all operations stop When the power is returned after a power failure the operation lamp notifies the power ON by flashing operation lamp on the remote controller When restarting the operation push button again Fan rotation in stopped unit In heating operation even in the stopped indoor unit the fan rotates once for several minutes per approx an hour when the other indoor unit is operating to protect the air conditioner Protective device High pressure switch This device stops automatically an operation when excessive force is applied on the air conditioner If the protective device works the operation stops and the operation lamp flashes When the protective device works the indication and the check code ar
198. ect cabling of cable connector YES YES Check I F P C board 1 How to clear the error i YES Set SW01 SW02 SW03 on I F P C board of header unit to 2 16 1 nA Power of A Turn on main power of outdoor unit and push SW04 for 5 seconds or more 7 segment display Er CL outdoor unit turned off NO e In this model only one outdoor unit is provided to one refrigerant line Be sure to check there is no communication Turn the end terminal resistance to ON ___ Is there no miscabling or disconnection on communication line between outdoor units 1 Is connection of CNO3 connector on outdoor I F P C board normal NO Is the end terminal resistance between outdoor units turned on SW30 Bit 1 connection with outdoor unit in the other refrigerant line ES YES Did power failure occur Clear check code NO YES Is there no noise source etc Check and eliminate noise etc NO Check outdoor I F P C board 1 In this model only one outdoor unit is provided to one refrigerant line Be sure to check there is no communication connection with outdoor unit in the other refrigerant line Defect Replace Tel 01823 665660 www heronhill co uk Fax 01823 665807 vel Heronhill for all your Toshiba requirements Check code Check code name Cause of operation E31 CF d07 Al NET IPDU communication error 1
199. ecting pipe correct Is the branch kit correct Is drain water of the indoor unit arranged so that it flows without accumulation Is thermal insulation of pipes good Connecting pipes Branch kit Is not short circuit of discharge air in indoor outdoor units After airtight test for pipes are vacuuming and adding of refrigerant executed Are valves of all the outdoor units fully opened Gas side Liquid side Balance side Outdoor unit A Check the additional amount of refrigerant lt Check list 2 gt Calculate the additional amount of refrigerant from the additional amount of refrigerant A and finally a value multiplied by heat recovery correction value 1 3 becomes the additional amount of refrigerant B Additional amount _ Actual liquid Additional amount of x 1 3 of refrigerant B pipe length refrigerant per liquid pipe 1m 7 a A Firstly enter the total length for each liquid pipe in the following table and then calculate the additional amount of refrigerant by pipe length lt Additional amount of refrigerant by pipe length gt Pipe dia at Standard amount of refrigerant liquid side kg m Additional amount of refrigerant pipe dia at each liquid side kg Total pipe length at each liquid side Additional amount of refrigerant by pipe length A Additional amount of refrigerant B Next refer to the following table for t
200. ed on the specified general control be sure to release this mode after operation 102 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 7 Fan Operation Check in Outdoor Unit This function is provided to check the fan operation on the interface P C board in the outdoor unit The frequency of the fan speed can be controlled Therefore utilize this function to check the operation or abnormal sound in the fan system NOTE Do not use this function during operation of the compressor It may damage the compressor Operation 1 Set the switch on the interface PC board of the outdoor unit SW01 to 2 SW02 to 1 SW03 to 4 2 When F d is displayed in 7 segment display A keep pushing the switch SW04 for 2 seconds or more 3 From when fan step 31 is displayed in 7 segment display B the fan starts operation Max step operation 4 After then 7 segment display B and the fan step are changed by changing the setup number of the switches SW02 and SWO03 Output pattern of the fan is as follows 7 segment display B Fan step 7 segment display B Fan step Clear This function is cleared by one of the following operations 1 When SW01 setting number was changed to ot
201. ements Check code E06 04 d07 Al NET Check code name Cause of operation Check code Check code name Cause of operation E07 1 Indoor outdoor communication end terminal resistance setup error 2 Indoor outdoor communication connection Indoor Outdoor communication circuit error Detected at outdoor side Decreased number of indoor units 1 Communication lines U1 U2 connection error between indoor and outdoor Connector connection error of communica d07 Al NET OEL tion for indoor P C board Connector connection error of communica tion for outdoor I F board error Power supply of indoor unit Is setup of end terminal resistance No Is power turned on of outdoor unit normal YES Sub code No of indoor units which received signals normally y Correct setup of end Is inter unit cable U1 U2 between YES terminal resistance indoor and outdoor short circuited Is there no miscabling YES disconnection on communication line Correct communication line NO betweenindoor and outdoor NO NO Is connection of inter unit wire irci between indoor and outdoor correct Correct short circuit Is connection of CN40 connector NO on indoor P C board normal YES Correct communication line i NO Is connection of CN01 connector i on outdoor I F PC board normal Correc
202. enomena such as above occur Miswiring Signal line Power supply line Tel 01823 665660 www heronhill co uk Fax 01823 665807 9L Suction gas pipe Discharge gas pipe b i Tel 01823 665660 Heronhill for all your Toshiba requirements Suction gas pipe Discharge gas pipe Oo e SV11 OFF SVD leakage e SVS ON Suction gas pipe Discharge gas pipe E aj Liquid pipe e SVD ON e SV11 ON www heronhill co uk Suction gas pipe Discharge gas pipe Liquid pipe Suction gas pipe Discharge gas pipe Mispiping SVD ON p n390 jqN01 e UBYM PUN 10 99 9S MOJ JO jdwe ex Hunen uep y Fax 01823 665807 lt 39U3 1 J H gt v9l Indoor unit Heronhill for all your Toshiba requirements Wired remote controller Up to 2 units Weekly timer L L OL yun 100pul L OL JO UOI DQUUOD L Power circuit 19 01 U09 39 0W 31 pM Network adaptor Option lt adA_ Ilem y IH edAL Hulas apun Remote controller communication circuit Max 8 units are connectable 1 Indoor control P C board MCC 1402 weibeig y201g 131101 U09 100puU Louver motor None for Concealed Duct type 4 Drain Indoor fan motor Femare 1 However in a case that the communication network adaptor is installed circuit when 2 remote controllers are connected maximum 7 units are connectab
203. equires maximum 10 minutes Usually approx 5 minutes to set up automatically an address to 1 line ee en sae yas aut To set up an address automatically the setup at outdoor side is necessary aoe lior ae me a Piri t eT Address setup cannot be performed by power ON only ie Sle CONTOS RIOR ony One NEAGOE UNIS SE controller To set up an address it is unnecessary to operate the air conditioner P Manual address setup is also available besides automatic setup n Automatic address Setup from SW15 on the interface P C board of the header unit Address setup procedure 2 Outdoor unit interface P C board Manual address Setup from the wired remote controller 1 Using SW13 and 14 on the interface P C board of the PN 5 alte s afte a apne 3 4 It is temporarily necessary to set the indoor unit and wired to 1 1 outdoor unit in each system set up the system address fled al al a ol bad al fad a ad al ba a In group operation and in time without remote controller for each system Swi SW12 wi Wi4 At shipment from factory Set to Address 1 Rate im h be sq Rate Automatic Address Setup Note Be careful not to duplicate with other refrigerant line E LTRS Wi Without central control To the address setup procedure 1 F With central control To the address setup procedure 2 Line address switch on outdoor interface P C board O Switch ON x Switch OFF However go to the procedure 1 when the central control is performed in a single refrige
204. equiring for cool air all day Heating and cooling operation are automatically selected in individual unit You can save time for operation For example when heating is required for early morning and cooling for daytime a Flow Selector Unit provides automatically a smooth selection of heating or cooling operation Therefore you can obtain a comfortable room environment without feeling somewhat out of place and moreover you can save time to select heat cool operation INFORMATION The Super Heat Recovery Multi system is different from the conventional Multi air conditioner in several points such as that heating and cooling operations are mixed or only a part of the air conditioner works cooling func tion For this reason the following table explains the operation modes of this air conditioner The following table explains representation of the operation modes in this Manual lt Operation mode gt All Cooling All indoor units are under cooling operation only without heating operation Outdoor heat exchanger Main heat exchanger is used as condenser All Heating All indoor units are under heating operation only without cooling operation Outdoor heat exchanger Main heat exchanger is used as evaporator Simultaneous operation MIU for simultaneous operation 3 1 Mainly cooling partly Indoor units are under heating cooling simultaneous operation with subjective cooling operation heating operation Outdoor heat exchange
205. er the operation mode is se lected Remote controller command STOP Stops air conditioner FAN Fan operation COOL Cooling operation DRY Dry operation HEAT Heating operation COOL HEAT AUTO COOL HEAT AUTO operation Heating operation is automatically selected with difference between setup temperature and room temperature Control outline Concealed Duct High Static Pressure type air conditioner cannot operate for drying Room temp control 1 Adjustment range Set temperature on remote controller C Allcooling All heating Wired type 18 to 29 C 18 to 29 C Wireless type 18 to 30 C 16 to 30 C 2 From the item code 06 the setup temperature in heating operation can be corrected Sepa Jo dP eT fe Setup at shipment Setup data Heating suction temperature shift Automatic capacity control 1 Based upon difference between Ta and Ts the operation frequency is indicated to the outdoor unit Air volume control 1 By the command from the remote controller HIGH HH MED H or LOW L AUTO operation is executed 2 While air speed is in AUTO mode the air speed is changed according to the difference between Ta and Ts 55 Tel 01823 665660 www heronhill co uk HH gt H gt H gt L gt L gt LL Fax 01823 665807 Prevention of cold air discharge Heronhill for all your Toshiba requirements Outline of specific
206. er part on the wireless remote controller Remove the nameplate of the receiver section by inserting a minus screwdriver etc into the notch at the bottom of the plate and set the Dip switch to TEST RUN ON 21 es a test operation with ___ button on the wireless remote controller d and amp LED flash during test operation e Under status of TEST RUN ON the temperature adjustment from the wireless remote controller is invalid Do not use this method in the operation other than test operation because the equipment is damaged 3 Use either COOL or HEAT operation mode for a test operation The outdoor unit does not operate approx 3 minutes after power ON and operation stop a e 4 After the test operation finished stop the M4 x 25 screw air conditioner from the wireless remote 2 pieces controller and return Dip switch of the sensor section as before A 60 minutes timer clearing function is attached to the sensor section in order to prevent a continuous test operation P bak Notch Nameplate Small screw Wireless remote controller 4 way Air Discharge Cassette type 1 Turn off power of the air conditioner Remove the adjust corner cap attached with sensor section from the ceiling panel For removing method follow to the installation manual attached to the ceiling panel Be careful to handle the sensor section because cables are connected to the sensor section
207. er the refrigerant into the outdoor unit When the equipment is moved or repaired be sure to recover the refrigerant with recover ing device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused After repair work surely assemble the disassembled parts and connect and lead the removed cables as before Perform the work so that the cabinet or panel does not catch the inner cables If incorrect assembly or incorrect cable connection was done a disaster such as a leak or Assembly Cablin AE y g fire is caused at user s side 5 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements After the work has finished be sure to use an insulation tester set 500V mugger to check the resistance is 2MQ or more between the charge section and the non charge metal section Earth position If the resistance value is low a disaster such as a leak or electric shock is caused at user s Insulator check side If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage of oxygen Ventilation occurs Be sure to execute ventilation Q When the refrigerant gas leaks during work execute ventilation gloves and others not to touch to the charging section When checking the circuit inevitably under cond
208. erval of 5 seconds as CIVIC 33 6 SUTILI 66 STII 66 STII D 66 SUTI D 66 SUUUT LILI gt LL gt LIL gt dode gt LL a gt L a When the count arrives HUUG the error is cleared However counting from 225 is repeated on the display button is pushed the status returns to the normal status Operation procedure 7142 3 The status returns to the normal status Section A Error clearing in indoor unit Error in the indoor unit is cleared by button on the remote controller Only error of the indoor unit connected with operating remote controller is cleared 98 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 Clearing from the interface P C board Using the switches on the interface P C board this function is to clear the currently detected error for each refrigerant circuit system without resetting the power supply Restart of error detection Errors in both outdoor and indoor units are once cleared Set the rotary switches on the interface P C board of the 7 segment display outdoor unit to the following setting A B swo01 2 Sw02 16 SW03 1 Er Push the push switch SW04 on the interface P C board of the outdoor unit for 5 seconds or more C L is displayed in 7 segment display B on the P C board 7 segment display for
209. f pipe or joint to a minimum 1 Copper pipe lt Piping gt The pipe thickness flare finishing size flare nut and others differ according to a refrigerant type When using a long copper pipe for R410A it is recommended to select Copper or copper base pipe without seam and one with bonded oil amount 40mg 10m or less Also do not use crushed deformed discolored especially inside pipes Impurities cause clogging of expansion valves and capillary tubes lt Flare nut gt Use the flare nuts which are attached to the air conditioner unit 2 Joint The flare joint and socket joint are used for joints of the copper pipe The joints are rarely used for installa tion of the air conditioner However clear impurities when using them 4 Tools 1 Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their
210. face adaptors correctly connected When the digital inverter air conditioner operates with group operation twin or triple operation are the adopters connected to the header unit of the indoor unit Is the relay connector between U1 U2 terminal and U3 U4 terminal removed Set up at shipment from the factory Is the terminal resistance SW30 2 on the interface P C board of the outdoor unit turned on Set up at shipment from the factory Is the end terminal of the shield wire grounded NOTE The above figure does not show all the electric cables NOTE The above figure does not show all the electric cables For details refer to the installation manuals for outdoor unit indoor unit remote controller or optional For details refer to the installation manuals for outdoor unit indoor unit remote controller or optional devices devices Tel 01823 665660 www heronhill co uk Fax 01823 665807 62 Heronhill for all your Toshiba requirements 3 Connection check between Flow Selector Unit FS Unit and indoor unit Connection of shield wire close end Connect all connecting parts of each indoor unit Open g i MAP aE ET i A O Wired remote remote j controller controller U1U2 B Oj p controller H Control
211. friger ant during installation work or service work If an incorrect work or incorrect service is performed there is a possibility to cause a serious accident Use the tools and materials exclusive to R410A to purpose a safe work 2 Cautions on Installation Service 1 Do not mix the other refrigerant or refrigerating oil For the tools exclusive to R410A shapes of all the joints including the service port differ from those of the former refrigerant in order to prevent mixture of them 2 As the use pressure of the new refrigerant is high use material thickness of the pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refrigerant changes and then characteristics of the air condi tioner change 3 Pipe Materials For the refrigerant pipes copper pipe and joints are mainly used It is necessary to select the most appropriate pipes to conform to the standard Use clean material in which impurities adhere inside o
212. g operation Start gt 18 C gt 19 C gt 18 C gt 19 C gt 18 C gt 19 C gt 18 C Test operation gt Stop Test heating operation Start gt 30 C 29 C gt 30 C 29 C 30 C gt 29 C 30 C gt Test operation gt Stop Tel 01823 665660 Be sure to set the air speed to High 91 www heronhill co uk 3 4 5 6 2 7 Fax 01823 665807 Heronhill for all your Toshiba requirements 2 Test operation START gt Test operation for one indoor unit YES Operation start YES Is cold air or hot air discharged YES Is air circulation good YES Test operation for all units in turn Operate all the indoor units at once NOTE 1 Is the temperature difference Refer to Test operation procedure of indoor remote controller The operation does not start approx 3 minutes after power ON or operation stop NOTE After power ON it may require Max 10 minutes to start the operation due to the initial communication of the system Check operation status of the compressor Check direction of the flap Execute a test operation using Function of start stop the indoor unit from outdoor unit in Service support function between suction and discharge good YES Is the operating voltage correct NO Rated voltage 10 YES NOTE 2 NO Is the operating current normal YES NOTE 3 NO Is
213. ge the indoor address so that it is not duplicated 7 After the above change push button to confirm the changed contents 8 If it is acceptable push button to finish confirmation J amp NON Operation procedure 1423 35 45 5 6 7 8 End Fax 01823 665807 v8 Heronhill for all your Toshiba requirements When he setup operation with automate address has frished this change is avaiable Contents Using an arbitrary wired remote controller the indoor unit address can be changed for each same Method 1 refrigerant line Change the address in the address check change mode lt Procedure gt Operation while air conditioner stops An address is individually cleared from a wired remote controller 0099 is set up to line address indoor address and group address data from the remote controller For the setup procedure refer to the abovementioned address setup from the remote controller 7 Push the timer time buttons simultaneously for 4 seconds or more Method 2 Firstly the line 1 item code AZ Address Change is displayed Clear the indoor addresses in the same refrigerant line from the outdoor unit 2 Using C T7 buttons select the line address 1 Turn off the power of the refrigerant line to be returned to the status at shipment and change the outdoor unit to the following status 1 Remove the relay connector between U1U2 and U3U4 3 Push SET button
214. gerant Low pressure gas refrigerant Low pressure gas refrigerant Refrigerant recovery line Liquid pipe 4 FS unit Indoor unit Heating Heating Stopped indoor indoor indoor Defrost operation is carried out during all heating operation or Mainly heating part cooling operation Outdoor unit Flow selector Indoor unit 4 way valve OFF SV3A OFF lt Cooling thermo ON gt lt Others gt SVD OFF SVD OFF Control OFF ON SV12 Close Control Control Control Outdoor fan Stop Note 2 Control Control Stop Note 1 SV4 of the stopped compressor is ON Note 2 May be controlled 54 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 6 CONTROL OUTLINE 6 1 Indoor Unit 6 1 1 Control Specifications Power supply is reset Outline of specifications 1 Distinction of outdoor unit When the power supply is reset the outdoor units are distinguished and control is exchanged according to the distinctive results 2 Check code clear When the power supply is reset the check code is also reset once If an abnormal status which the check code appears after Start Stop button of the remote controller has been pushed continues the check code is displayed again on the remote controller Remarks Operation select 1 Based upon the operation select command from the remote controller or central controll
215. gnal Indoor control P C board 71 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 2 Outdoor Unit 7 2 1 Applied Control in Outdoor Unit The following functions become available by setting the switches on the outdoor interface P C board Outdoor fan high static pressure shift SW10 lt Interface P C board of outdoor unit gt ie A lt Switch position magnified drawing gt E f 6 wi sus ba J CoO Ro Eco a JN PLD ALE 8 d d hit 234 Fha f a disi Pasg FTA Sws ee j iiti ane 0 seen anus a r raii in N ee A SHUG niin 2 re La Aaa OURLCO DEE 5 ONAL Ch ALCO ANE 048 TT lz 8 4 hte 4 amp ii 23 4 edad teat fj Qd os SW10 For setup of outdoor fan high static pressure shift 7 2 1 1 Outdoor fan High Static Pressure Shift m Usage Features This function is set when connecting a duct to discharge port of the outdoor unit E Setup Turn Bit 2 of the Dip switch SW10 on the interface P C board of the outdoor unit to ON side E Specifications Increase No of rotations of the propeller fan of the outdoor fan so that a duct with the maximum outside static pressure 35Pa 3 5mmAq can be installed If installing a discharge duct Below 35Pa 3 5mmAq exceeding the duct resistance 15Pa 1 5mmAq execute this setup 45Pa or more For details of adjustment consult with the sales subsidiary Disc
216. harge air volume in each outdoor unit is described in the following table Capacity rank MMY MAP 0801 type 1001 1201 type Standard air volume of outdoor unit m min 165 175 72 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 2 2 Applied Control in Outdoor Unit The following functions become available by using a control P C board sold separately Set up the switches or the outdoor unit U1 Function Switch No i Connector No Used control P C board Power peak cut control Standard TCB PCDM2E Power peak cut control Expansion TCB PCDM2E Snowfall fan control TCB PCMO2E External master ON OFF control TCB PCMO2E Night operation control TCB PCMO2E Operation mode selection control TCB PCMO2E lt Outdoor unit interface P C board gt lt Connector position magnified drawing gt rire HET E b For power peak cut control selection Bit 2 For power peak cut control expansion selection 73 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 2 2 1 Power Peak cut Control Standard Header outdoor unit interface P C board Operation eee Bit 4 The upper limit capacity of the outdoor unit is restricted 1 based on the demand request signal from outside 1 L1 Display lamp during power peak cut control E Setup i CN513 BLU to header SW1 Power peak
217. he corrective amount of refrigerant C by system capacity Fax 01823 665807 08 Heronhill for all your Toshiba requirements 8 3 Check at Main Power ON 8 4 Address Setup After turning on the main power of the indoor units and outdoor unit in the refrigerant line to be executed with a After power ON set up the indoor address from the interface PC board of the outdoor unit test operation check the following items in outdoor and each indoor unit The address setup operation cannot be performed by power ON only After turning on the main power be sure to check in order of indoor unit outdoor unit If the power supply of the outdoor unit has been firstly turned on E19 appears on the 7 segment display on 8 4 1 Cautions the interface P C board until the power supply of the indoor unit is turned on However it is not an error 1 It requires approx 5 minutes usually for 1 line to automatically set up address lt Check on outdoor unit gt However in some cases it may require maximum 10 minutes 1 Check that all the rotary switches SW01 SW02 and SWO3 on the interface P C board of the outdoor unit 2 Itis unnecessary to operate the air conditioner for address setup are set up to 1 3 Manual address setup is also available besides automatic setup 2 If other error code is displayed on 7 segment B remove the cause of trouble referring to 9 Troubleshooting 3 Check that L08 is displayed on 7 segment displ
218. he integrated timer is cleared In this time if the specified time has passed the measured time is reset and LCD display disappears 57 www heronhill co uk Fax 01823 665807 QY and display Operation and heating stand by Heronhill for all your Toshiba requirements Outline of specifications lt Operation standby gt Display on remote controller 1 P05 is one of displays of power wire missing P05 of power cable is detected COOL DRY operation cannot be performed because the other indoor unit is under HEAT operation HEAT operation cannot be performed because COOL priority is set Outdoor I F P C board SW11 1 bit is ON and the other indoor unit is under COOL DRY operation FAN operation cannot be performed because the system performs Heat oil Refrigerant recovery operation e There is a unit in which indoor overflow P10 is detected e There is a unit in which interlock alarm P23 is detected 2 The above indoor units unavailable to operate waits under condition of thermostat OFF lt HEAT standby gt Display on remote controller 1 HEAT thermostat is OFF During HEAT operation the fan rotates with lower air speed than one specified in order to prevent discharge of cold draft or stops including case that defrost operation is being performed HEAT operation cannot be performed because COOL priority is set Outdo
219. her line connected address Sending error in communication between outdoor units VF Duplicated follower outdoor addresses VF No of outdoor units which received signal normally 01 IPDU1 error 02 IPDU2 error 03 IPDU1 2 error 04 Fan IPDU error IPDU communication error 05 IPDU Fan IPDU error 06 IPDU2 Fan IPDU error 07 All IPDU error 0j 0 0 o0 o 000 oo e ajaiajiajaje aja oojo ajajaj eee oojo a20 o ax ti ao ao e e e xnoi xa Decrease of No of connected outdoor units VF 108 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Check code Wireless remote controller Main remote controller display Outdoor 7 segment display Sub code AI NET central control display Sensor block display of receiving unit Flash Operation Timer O Ready Check code name Indoor TCJ sensor error Judging device Indoor Indoor TC2 sensor error Indoor Indoor TC1 sensor error Indoor TD1 sensor error VF TD2 sensor error VF TE1 sensor error VF TL sensor error VF TO sensor error VF Indoor TA sensor error Indoor 01 TS1 02 TS2 PISS Srl S S S Sl Sle TS1 TS2 sensor error VF 01 Comp 1 side 02 Comp 2 side gt TH sensor error IPDU Outdoor temp sensor misconnecting TE TL VF
220. her number 2 Push switch SW05 was pushed for 2 seconds or more 103 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 8 Manual Adjustment Function of Outside Temp TO Sensor This function is provided to fix TO sensor value manually by the switch operation on the interface P C board in the outdoor unit When the unit stops abnormally due to TO sensor failure etc an emergent operation is avail able by set up the value manually to position near the current outside temperature Operation 1 Set the rotary switches on the interface P C board to numbers as follows e SW01 2 SW02 1 SWO3 15 e 7 segment display t o 2 Keep pushing the push switch SW04 on the interface P C board for 1 second or more The mode changes to the TO sensor value fix manual mode 3 As shown in the following table TO sensor value can be fixed by setting the rotary switch SW02 on the interface P C board 10T 5 C 0c 2 C 5 C NOTE Emergent operation should be restricted to one day or so on If operating TO sensor fixed with this function the system control operation of the air conditioner may not become one based upon the specification of the product Therefore an emergent operation should be restricted to a day or so on Clear Return numbers of SW01 SW02 and SWO3 on the interface P C board in the outdoor unit to 1 1 1 each
221. hiba requirements 9 8 2 Flow Selector Unit FS Unit Leakage of SVD valve or SVS valve etc Positions to be checked and check code when a trouble such as miswiring occurred Phenomenon which appears as result Corresponding indoor unit or flow selector unit Correspon Example of Part name Operation mode ding indoor May become Abnormal Judgment and position to be checked refrigerant unit cooling sound Detection of O Circulating check code d capacity All heating operation e TC1 is lower than normal indoor unit Mainly cooling part heating operation Heating unit e Temperature of suction gas pipe at indoor side of the flow selector Mainly heating part cooling operation Heating unit unit is lower than that of normal FS unit Compared with normal indoor unit TCJ is higher All l ration SV11 ON All Peang lane aons ON O SVD circuit Suction gas pipe at outdoor side of the flow selector unit is hot Mainly cooling Pall heciigiopsreter Goo lig Unik SVS circuit Refrigerant circulating sound is heard in bypass from SVD valve Mainly cooling part heating operation Cooling unit NE ane ulaling sou yp sie a All cooling operation SV11 OFF O SVD circuit Refrigerant circulating sound is heard from SVD valve circuit valve TOJ is high and SH is little Liquid pack Temperature of TCJ and TC1 become high similar to heating All k heating circuit All cooling operation SV11 ON 7 n PaA Misinstallation Mainly
222. hting time In this time make a note of contents of the displayed setup data 5 In the next time change the item code DN using C a C v buttons Make a note of contents of the setup data as same as the above 6 Then repeat item 5 and make a note of contents of the important setup data as indicated in the attached table Example Item code necessary at minimum The item code DN is consisted with amp to AM Contents DN No may jump on the way Type Type and capacity of eS pnag Indoor unit capacity the indoor unit are Wh has finish h 7 When noting has finished pus button to Lin address necessary to set up return to the normal stop status It requires approx 1 minute to operate the remote controller the revolution frequency of the fan Indoor address Group address lt Remote controller operation diagram gt SSS es 6 Z aj om gt 3 201 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Procedure 2 Exchange of P C board for service 1 Exchange PC board with a PC board for service In this time the jumper line cut setup or the short circuit connecting connector setup on the previous P C board should be reflected on P C board for service See the blow figures MCC 1402 Pt
223. ication line input E50 to E90 Optional control P C board input Displays optioned control status A Operation mode selection In heating with priority Normal h Priority on cooling C Heating only H Cooling only C Priority on No of operating indoor units n Priority on specific indoor unit U Batch start stop Normal en Start input x1 Stop input 0 Night low noise operation Normal OK Operation input KOK Snow fan operation Normal OK Operation input KOK Option control BUS line input Same as above Unused mark Indicates none on display 154 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 Data display of outdoor unit information Displayed on each outdoor unit Display contents Error data A Displays outdoor unit number U1 to U4 Displays check code Latest code only is displayed There is no check code There is sub code Check code for 3 seconds sub code for 1 second alternately lt SW04 gt push function Fan of unit with error only drives 7 segment A E1 lt SW04 SW05 gt push function Fan of normal unit only drives 7 segment A E0 lt SW05 gt push function Interruption of fan operation function A zs B gt Operation mode A Stop
224. ier Detection control for heat exchanger temperature Selection of option 0000 Filter input 0001 Alarm input Air washer etc Humidifier error input CN70 0002 Humidifier input HA terminal CN61 0000 Usual 0001 Leaving ON prevention control Usual select HA terminal Automatic elevating 0000 Unavailable 0001 Available Unavailable grille Ventilating fan 0000 Unavailable 0001 Available Unavailable control TA sensor selection 0000 Body TA sensor 0001 Remote controller sensor Body TA sensor Temperature unit 0000 C at factory shipment 0001 F C select Control for humidifier 0000 None Humidifier ON drain pump control 0001 Humidifier Vaporizing system Pump ON Pump OFF 0002 Humidifier Ultrasonic system Pump ON after specified time passed Unused 0003 Humidifier Natural drain system Pump OFF High ceiling selection 4 way Air Discharge Cassette type and Under Ceiling type Standard Air volume selection 0000 Standard filter 0001 Super long life filter 0003 High efficiency filter Concealed Duct Standard type 0000 Standard static pressure 40Pa 0001 High static pressure 1 70Pa 0003 High static pressure 2 100Pa 0005 Correspond to quiet sound 0006 Low static pressure 20Pa Timer set 0000 Available Operable 0001 Unavailable Operation prohibited 0000
225. igerant pipe of the selected outdoor unit is dis played and the fan is turned on 4 Every pushing button the indoor unit numbers in the identical pipe are successively displayed e Only fan of the selected indoor unit operates To select another line address 5 Push CL button to return to procedure 2 e The indoor address of another line can be succes sively confirmed 6 Push button to finish the procedure Change of indoor address from remote controller Change of indoor address from wired remote controller To change the indoor address in individual operation Wired remote controller Indoor unit 1 1 or group control When the setup operation with automatic address has finished this change is available lt Procedure gt Operation while air conditioner stops 1 Push simultaneously SET buttons for 4 seconds or more The firstly displayed unit No indicates the header unit in group control Operation procedure 152335 4 5 6 End 2 In group control select an indoor unit No to be changed by _unit_ button The fan of the selected indoor unit is turned on 3 Using the setup temp _4_ _ buttons set 7 to the item code 4 Using the timer time G E2 buttons change the displayed setup data to a data which you want to change 5 Push SET button 6 Using the button select the unit No to be cha gegat the next time Repeat the proce dure f to O and chan
226. indoor unit with different circuit connected ES T NO Is flow selector normal Q An 3 YES Cause of operation Service valve close Ps sensor error SV2 SV4 circuit error Miscabling of communication between indoor and outdoor Indoor outdoor fan and condenser error Indoor outdoor PMV clogging Indoor outdoor heat exchanger clogging Refrigerant shortage NO Open service valves fully N g Exchange low pressure sensor 1 Pressure by pressure gauge Check joint 2 Pressure display on 7 segment display 3 Output voltage of I F P C board If 1 and 2 3 are different an error of pressure sensor error is considered If 2 and 3 are different check I F P C board NO Check miscabling misinstallation and connector connection YES Correct SV2 and SV4 circuits Correct piping 7 7 Correct cabling Check with miscabling check function of outdoor unit NO Check flow selector Hi Correct SV4 SV5 SV11 valve circuits Cleaning A Cooling Does indoor fan normally operate in cooling season S il YE YES f Is there clogging of indoor air filter or heat exchanger NO Is indoor PMV normal YES Is outdoor fan normally operated in heating season YES Refrigerant shortage or clogging or pipe deformed YES Is there clogging of outdoor heat exchanger NO Is outdoor PMV normal After checking the
227. ing 2 Heat exchanger clogging 3 Air short circuit N NO Is SV5 circuit normal O YES Check operation of 4 way valve Abnormal Repair SV5 circuit l Coil error choke aisconnection of cable etc Normal Abnormal Replace 4 way valve Check clogging of SV11 circuit Normal Are not indoor units of different NO Replace defective parts refrigerant circuit connected YES Refrigerant overcharge clogging pipe breakage abnormal overload condition www heronhill co uk neck with miscabling check function of outdoor unit Check and correct cabling itt Fax 01823 665807 LGL Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Check code name Check code name Cause of operation P22 1A Outdoor fan IPDU error Fan lock P26 14 G Tr short circuit protection error 1 Outdoor unit power error d07 AI NET Fan IPDU P C board error d07 AI NET 2 IPDU error Cable connection error Overload cause 3 Compressor error External cause such as blast 4 IPDU PC board error Fan IPDU power P C board error Sub code 01 Compressor 1 side 02 Compressor 2 side Sub code 0 IGBT short circuit 1 Position detect circuit error 3 Motor lock error 4 Motor current error detected NO C TH sen
228. ing pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connectors Check miswiring of SVS SVD valves Tel 01823 665660 Low pressure protective operation All stop Low pressure Ps detected operation lower than 0 02MPa www heronhill co uk Check full opening of service valve Discharge gas suction gas and liquid side Check outdoor PMV clogging PMV1 2 e Check SV2 circuit and SV4 circuit error e Check low pressure Ps sensor error Check indoor air filter clogging Check valve open of indoor PMV Check refrigerant pipe clogging Check outdoor fan operation All heating mainly heating part cooling operation e Check refrigerant shortage Check clogging of circuit at auxiliary heat exchanger side PMV3 SV12 check valve e Check 4 way valve error Reversal error e Check mispiping of discharge gas suction gas main pipe Check Flow selector unit Check miswiring of discharge gas suction gas pipe to FS unit Check wiring between FS unit and indoor unit Check miswiring of SVD SVS valves misinstallation of coil Check opened status of SVS valve Fax 01823 665807 Oc Check code Main remote Outdoor 7 segment display controller Check code Sub code AI NET central control remote controller Heronhill for all your Toshiba requirements Detected position Check code name Error detection condition Check item pos
229. install the air conditioner in a vessel or mobile crane Be careful with noise or vibrations Do not install the air conditioner in a place where noise by outdoor unit or hot air from its air outlet annoys your neighbors Install the air conditioner on a solid and stable foundation so that it prevents transmission of resonating operation noise and vibration If one indoor unit is operating some sound may be audible from other indoor units that are not operating 3 12 Troubles and Causes CAUTION If any of the following conditions occur turn off the main power supply switch and immediately contact the dealer The operation lamps flash at short intervals 5 Hz even though you have tried turning off the power supply and turning on again after 2 or 3 minutes Switch operation does not work properly The main power fuse often blows out or the circuit breaker is often activated A foreign matter or water fall inside the air conditioner Any other unusual conditions are observed Tel 01823 665660 3 13 Information Confirmation before operation Turn on the power switch 12 hours before starting the operation Check whether earth wire is cut off or disconnected Check the air filter is connected to the indoor unit Heating capacity A heat pump system which absorbs heat from outside of the room and then discharges heat into the room is adopted for heating If the outside tempera ture falls the heating capacity d
230. irements lt Make a note of the setup contents Item code list Example gt Filter sign lighting time Setup at shipment from factory According to type Dirty condition of filter 0000 Standard Central control address 0099 Undefined Heating inlet temp shift 0002 2 C Floor standing 0 Cooling Auto mode existence Cooling only Heat pump select by connected outdoor unit 0001 No auto mode cooling heating Automatic ed 0000 Heat pump Type According to model type Indoor unit capacity According to capacity code Line address 0099 Undefined Indoor unit address 0099 Undefined Group address 0099 Undefined Flap type Air direction adjustment According to type Temp width between cooling and heating automatic selective control points 0003 3 deg Ts 1 5 Automatic restart from power failure 0000 None HA terminal T10 selection 0000 Normal Sensor select 0000 Body sensor High ceiling selection 0000 Standard Timer setup Wired remote controller Type Item code 10 1 way Air Discharge Cassette MMU AP SH 0000 Possible 4 way Air Discharge Cassette MMU AP H 2 way Air Discharge Cassette MMU AP WH 1 way Air Discharge Cassette Compact type MMU AP YH Concealed Duct Standard MMD AP BH Concealed Duct High St
231. ition H07 H07 d7 VF Protection for oil All stop The operating compressor lt Check all the outdoor units in the corresponding line gt level drop detection detected oil shortage e Check full opening of service valve of balance pipe continuously for 2 hours Check connection and installation of TK1 TK2 TK3 and TK4 sensors e Check characteristics of TK1 TK2 TK3 and TK4 resistance values e Check gas leak and oil leak in the same line e Check refrigerant stagnation in compressor e Check error of SV3A SV3B SV3C SV3D and SV3E valves e Check clogging of oil separator oil return circuit e Check clogging of oil equation circuit lt Check clogging of oil equation pipe between compressors gt e Check TS1 TS2 sensors Miswiring and misinstallation of TS1 and TS2 e Check leakage of SV6 circuit e Check FS unit Leakage of check valve of bypass between liquid pipe and discharge gas pipe Mispiping of discharge suction gas connection Miswiring of SVD SVS valve Misinstallation of coil e Check whether there is no setup missing of indoor unit in all cooling operation mode H08 H08 01 TK1 sensor error d4 VF Oil level detective All stop Resistance value of e Check connection of TK1 sensor connector OZA TKS Sensor ITOT temp sensor error sensor is infinite or zero e Check characteristics of TK1 sensor resistance value 03 TKS SenSor error Open Short Check outdoor PC board I F error 04 TK4 se
232. ition of the power ON use rubber AN If touching to the charging section an electric shock may be caused Be attentive to electric shock When the refrigerant gas leaks find up the leaked position and repair it surely If the leaked position cannot be found up and the repair work is interrupted pump down and tighten the service valve otherwise the refrigerant gas may leak into the room The poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Q When installing equipment which includes a large amount of charged refrigerant such as a multi air conditioner in a sub room it is necessary that the density does not the Compulsion limit even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off Q the power breaker After repair work installation of front panel and cabinet has finished execute a test Check after rerair run to check there is no generation of smoke or abnormal sound If check is not executed a fire or
233. k code name Cause of operation H16 d7 Oil level detective circuit system error 1 Detachment of TK2 sensor miscabling H16 d7 TK3 temperature detective circuit error 1 Detachment of TK3 sensor miscabling d07 AI NET Sub code 02 characteristics error of resistance value d07 AI NET Sub code 03 characteristics error of resistance value Oil equalization circuit error Error of SV3C valve circuit periphery Check valve capillary clogging Check capillary clogging strainer strainer clogging clogging Refrigerant stagnation in compressor Refrigerant stagnation in compressor shell shell YES YES Is not TK2 sensor detached Correct installation of sensor Is not TK3 sensor come off Correct installation of sensor NO NO y Correct miscabling misinstallation Correct miscabling misinstallation Is there no miscabling or misinstallation X YES Is there no miscabling or misinstallation YES IK1 CN514 TK2 CN515 TK2 CN515 on TK1 TK2 TK3 TK4 sensors Tks CNSI6 on TK1 TK2 TK3 TK4 sensors TK3 CN516 NO NO TK4 CN523 y Y Are characteristics of TK2 sensor X NO Are characteristics of TK3 sensor NO sensor error gt Replace y Sensor error 5 Sensor error Replace 2 resistance value normal Outdoor unit temp sensor characteristics 4 resistance value normal Outdoor unit temp sensor characteristics 4 YES YES After power reset YES check
234. k code name Check code name Cause of operation F29 12 Indoor other error Indoor P C board error d07 Al NET EEROM error This error is detected during operation of air conditioner of IC10 non volatile memory EEPROM on indoor unit P C board Replace service P C board If EEPROM was not inserted when power was turned on or it is absolutely impossible to read write EEPROM data the automatic address mode is repeated In this case 97 error is displayed on AI NET central controller Approx 3 minutes Approx 1 minute K A i 5 Power ON SET DATA is displayed gt SET DATA LED D02 1Hz flashes gt Reboot Value can be confirmed by 7 segment display function on outdoor I F P C board on main remote controller disappears for approx 10 seconds Reset on indoor unit P C board Pd SW01 02 03 1 1 2 Ps SW01 02 03 1 2 2 Repetition www heronhill co uk Fax 01823 665807 ZEL Check code name Check code name Cause of operation F31 1C Outdoor EEPROM error 1 Outdoor unit power error Voltage noise etc d07 AI NET 2 Outdoor I F P C board error Heronhill for all your Toshiba requirements H02 1d d07 Al NET Check power voltage and line Is there any trouble of YES outdoor unit power supply Check I F P C board Check code name Check code name Cause of operation H01 1F d07 Al NET Compressor breakdown Sub code 01
235. kage of SV42 circuit e Check SV4 circuit Miscabling and misinstallation of SV41 and SV42 e Check leakage of SV5 valve circuit e Check SV6 circuit Clogging Valve operation error e Check mispiping of discharge gas suction gas main pipe e Check Flow selector unit Check leakage of SVD valve and SVS valve Check leakage of SVDD valve and SVSS Check mispiping of FS unit connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connectors Check miswiring of SVS SVD valves Detected outdoor unit No 4 way valve operation error All stop When abnormal refrigerating cycle data was detected in heating Error of 4 way valve error e Check coil error and connector connection of 4 way valve e Check characteristics of TS1 TE1 sensor resistance value e Check characteristics of Pd Ps pressure sensor output voltage e Check misconnection of TE1 and TL sensors e Check Flow selector unit Check leakage of SVD valve and SVS valve Check leakage of SVDD valve and SVSS Check mispiping of FS unit connecting pipe Suction gas Discharge gas Tel 01823 665660 High pressure protective operation All stop Pd sensor detected 3 6MPa or more www heronhill co uk e Check Pd pressure sensor error e Check full opening of service valves Gas side Liquid side e Check outdoor fan error e Check outdoor fan motor error e Check clogging of outdoor PMV PMV1
236. l of the indoor unit of which heating thermo ON during all heating operation and simultaneous operation 4 Controls outdoor fan rpm during mainly cooling part heating operation Low pressure sensor Connector CN500 White 1 Detects low pressure and uses it to control capacity of compressor during all cooling operation and simultaneous operation 2 Detects low pressure and uses it to controls super heat during all heating operation and simultaneous operation Compressor case heater Compressor 1 Connector CN316 White Compressor 2 Connector CN315 Blue 1 Prevents liquid accumulation to compressor Accumulator case heater Connector CN321 Red 1 Prevents liquid accumulation to accumulator Balance pipe 1 Oil balancing in each outdoor unit This unit does not use this Balance pipe lt Operation mode gt Operation mode Outline 1 All Indoor Unit s Only cooling operation without heating operation Operating for Cooling Outdoor heat exchanger Main heat exchanger is used as condenser 2 All Indoor Unit s Only heating operation without cooling operation Operating for Heating Outdoor heat exchanger Main heat exchanger is used as evaporator 3 Simultaneous operation MIU for simultaneous operation 3 1 Mainly cooling partly Cooling heating simultaneous operation with subjective cooling operation heating operation Outdoor heat exchanger Sub heat exchanger is used as condenser 3 2 Mainly heating
237. le CPU 2 The network adaptor is Dise installed to only one unit 3 The weekly timer cannot be 4 connected to the simple wired remote controller HA 4 Nome for high wall spearate Outside sold parts for under ceiling output signal input gunieation circuit adAL psepuejs nq pajeavuos adA ayjassey abieuosig sry Aem p gt Fan motor _ control circuit Tel 01823 665660 Power Power supply supply Outdoor Outdoor N U1 2 y Indoor Outdoor unit unit uil lu2 communication Power supply 18220 240V 50Hz www heronhill co uk Fax 01823 665807 LINOYIO TOULNOD J0 NOLLVENSIANOOD OL S94 Indoor unit 1 Heronhill for all your Toshiba requirements Wired remote controller Up to 2 units Weekly timer Network adaptor Option Remote controller communication circuit Indoor control P C board MCC 1403 controller DC20V communication circuit DC12V DC5V Louver a motor Outside output GJ pump Indoor fan motor 4 5 TA sensor TCI sensor sensor Driver TCJ sensor 5 Float input None for Concealed Duct signal input circuit circuit Tel 01823 665660 Transformer hed 2 Indoor Outdoor ui lu2 communication Outdoor unit Power supply 10220 240V 50Hz www heronhill co uk
238. lected indoor unit work Use _4_ and C7 J buttons of the set temperature to specify the item code OF SET DATA Setup data 0000 0001 fire fe ee Rc No y Use 4 and buttons of the timer time to select the setup data 0001 CODE No ong CN Cooling Only setup Heat pump Cooling Only Push button In this time if the display changes from flashing to lighting the setup completes To change the setup of an indoor unit other than the selected one start operation from Procedure 2 e In a group control setup change of all the indoor units in a group is necessary To change the setup of the set other than the selected one start again operation from Procedure 2 07 0 se Cooling Only and Heat pump cannot exist in the same group e Pushing button clears the set up contents which have been already set e In this case retry from Procedure 2 When the setup finished push button The setup is determined Pushing button deletes the display and returns to normal stop status For some time after button has been pushed the operation of the remote controller cannot be accepted 68 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 1 3 Applied Control in Indoor Unit m Remote location ON OFF control box TCB IFCB 4E Wiring and setup e Use the exclusive connector for connection with the indoor control P C board e In a group contr
239. llation error Clogging of hear sink cooling duct IPDU PC board error TH sensor error Sub code 01 Compressor 1 side 02 Compressor 2 side NO Is power voltage normal NO Is wiring of IPDU normal 380 415V 10 Correct power line Correct wiring such as cable to compressor NO Is indoor fan normal or connector connection l Check fan and fan motor YES YES Is screw between IPDU and heat sink loosened NO F 3 YES s there no clogging of heat sink cooling duct Tighten screws NO Check IPDU P C board Check code name P10 0b Check code name d07 AI NET Sub code Indoor address with trouble Is float SW connector Indoor control P C board CN34 NO Indoor overflow error Correct clogging Cause of operation 1 Float SW operation error 2 Drain pump operation error 3 Clogging of drain pipe 4 Indoor P C board error connected normally YES Does float SW operate YES Does drain pump operate Is wiring normal NO Is power supply to NO drain pump normal Correct connector connection Check and correct wiring Check indoor P C board Failure Replace Check indoor P C board Failure gt Replace YES z YES YES Check the phase power line of outdoor unit Check error of outdoor I F P C board Re place drain pump F i i in pi i Check the
240. low error Indoor Indoor fan motor error Indoor Outdoor liquid back detection error VF 01 TS condition 02 TD condition Gas leak detection VF Discharge temp TD2 error VF Detected outdoor unit number 4 way valve inverse error VF eee enna eej o o oao a e a a a a aiaiai a ajajaja High pressure protective operation VF 0 IGBT short 1 Fan motor position detective circuit error 3 Fan motor trouble C TH sensor temp error Heat sink overheat D TH sensor error E Vdc output error Outdoor fan IPDU error 01 Comp 1 side 02 Comp 2 side G TR short protection error IPDU 01 Comp 1 side fo e a 02 Comp 2 side Comp position detective circuit system error IPDU a a Other indoor unit error Group follower unit error Indoor By alarm device Error in indoor group AI NET AI NET communication system error AI NET Duplicated network adaptors Al NET Error detected by TCC LINK central control device Check code Wireless remote controller 7 Sensor block display Central control Outdoor 7 segment display AI NET central of receiving unit Check code name i device control display indication Auxiliary code Judging device a aad Timer Ready Flash Sending error in TCC LINK central control device TCC LINK Receiving error in TCC LINK central control device TCC LINK Batch
241. ls indica 63H1 63H2 High pressure switch ah epg Comp IPDU Comp IPDU 3 EZ indicates PC board MG SW Magnet switch VLT VIOLET Romer supply hee isos No Be sure to fix the electric parts cover surely with two screws OCR Overcurrent relay Tel 01823 665660 www heronhill co uk Otherwise water enters into the box resulting in a trouble Fax 01823 665807 e the terminal numbers Hun AOOPINO g g Ge Heronhill for all your Toshiba requirements Flow Selector Unit FALOSLA SALZLLA INGY IPPON HUM S4 HUN 10 99 9S MO 4 E Z _ K ASA Sain P C Board CNO1 CN10 or indoor unit E RED WHI Control P C Board ON MCC 1431 CNO2 Power Supply Indoor Unit Single Phase Earth Screw 220 240V 50Hz Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 PARTS RATING 3 1 Indoor Unit 4 way Air Discharge Cassette Type MMU AP Fan motor SWF 230 60 1 Drain pump motor ADP 1409 Float switch TA sensor FS 0218 102 Lead wire length 155mm TC1 sensor TC2 sensor 4 size lead wire length 1200mm Vinyl tube Blue 6 size lead wire length 1200mm Vinyl tube Black TCJ sensor Pulse motor 6 size lead wire length 1200mm Vinyl tube Red EDM MD12TF 3 Pulse motor valve Louver motor panel Model MMU AP EDM B25YGTF EDM B40YGTF M
242. ltage normal gt Pd sensor Ps sensor error oes fan turn without trouble F when turning it with hands Replace indoor fan motor YES YES NO i Is SV2 valve coil correctly connected gt Correct eve anao 0 Is resistance value between each phase NO 7 at motor side of fan motor connector CN333 on Replace indoor fan motor YES indoor P C board MCC 1402 correct 1 YES YES 1 e Is not winding 1 Red lead to 3 White lead 3 White lead to 5 Black lead 5 Black lead to 1 Red lead opened shorted Resistance value should satisfy the follows 4 way Air Discharge Cassette type NO MMU AP0091H AP0301 Approx 70 to 1009 MMU AP0361H AP0561 Approx 35 to 50Q Concealed Duct Standard Under Ceiling High Wall type Check I F P C board 15 to 35Q Is not grounded between cabinet and 1 3 5 Should be 102 or more Is there no miswiring or misinstallation on TS1 and TS2 sensors Correct miswiring installation Is resistance value at motor side of NO fan motor connector CN334 on indoor P C board MCC 1402 correct 2 Replace indoor fan motor YES 2 Check resistance value of fan motor position detective circuit Is not winding 1 Yellow lead to 4 Pink lead opened shorted Resistance should be 5 to 20kQ NO Is output of indoor fan motor position detective signal correct 3 Replace indoor fan motor YES 3 Check fan motor position detective sig
243. m the bottom plate of the outdoor unit Heating capacity In the heating operation the heat is absorbed from the outside and brought into the room This way of heating is called heat pump system When the outside temperature is too low it is recommended to use another heating apparatus in combination with the air conditioner Attention to snowfall and freeze on the outdoor unit e In snowy areas the air inlet and air outlet of the outdoor unit are often covered with snow or frozen up If snow or freeze on the outdoor unit is left as it is it may cause machine failure or poor warming In cold areas pay attention to the drain hose so that it perfectly drains water without water remaining inside for freeze prevention If water freezes in the drain hose or inside the outdoor unit it may cause machine failure or poor warming Air conditioner operating conditions For proper performance operate the air conditioner under the following temperature conditions Cooling operation Outdoor temperature 5 C to 43 C Dry bulb temp Room temperature 21 C to 32 C Dry bulb temp 15 C to 24 C Wet bulb temp CAUTION Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may cause dewing Heating operation Outdoor temperature 15 C to 15 C Wet bulb temp Room temperature 15 C to 28 C Dry bulb temp If air conditione
244. mal ON Fan rpm upper limit restriction Sw abit OFF System stop ON System operation continues i OFF Bit 1 OFF PMV manual operation selected er ENN EMYS SW 4bit it2 SW 4bit Bit 4 Line address setup SW 4bit Bit 1 2 3 4 Line address setup Refer to item Address setup procedure OFF No Terminator resistor SW 2bit Bit 2 Terminator resistor between outdoor units ON Exists Check connector Manual full opening setup of PMV Opened Normal Short Opened fully Check connector Manual full closing setup of PMV Opened Normal Short Opened fully Check connector Check for assembly line in factory Opened Normal Short Check mode The outdoor unit connected with indoor outdoor communication line becomes automatically the header unit The setup is unnecessary to be manually changed 177 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 BACKUP OPERATIONS EMERGENCY OPERATION When a trouble occurred at an outdoor unit or at one of the compressors in outdoor unit the troubled unit or troubled compressor stops and a backup operation emergency operation is available by other outdoor units and the compressors Set up a backup operation following to the procedure below 11 1 Compressor Backup Setup lt Outline gt When a trouble occurred on one of the two compressors follow the procedure below if it is necessary t
245. more 3 The error is determined with error count 4 The error H04 is displayed in compressor 1 and H14 in compressor 2 respec tively TH sensor is provided to IPDU1 and 2 each The case thermostat is usually closed and connected to the interface P C board High pressure prevention control 1 High pressure SW control e The high pressure SW is usually closed and connected to IPDU 1 The compressor driver stops when high pressure SW at inverter compressor operates 2 When the compressor driver stops 1 is counted to the error count and the compressor driver reactivates after 2 minutes 30 seconds After reactivated the error count is cleared if the operation continues for 10 minutes or more 3 The error is determined with error count 4 The error P04 is displayed 63 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements lt Other cautions gt 1 Cooling operation in low ambient temperature 1 When low pressure is lowered the freeze prevention control by the indoor unit TC sensor may decrease the frequency 2 When low pressure is lowered the cooling capacity control may decrease the frequency 3 When discharge temp sensor value lowers below 60 C the frequency may be increased over the receive command from the indoor unit 2 PMV Pulse Motor Valve for outdoor unit 1 When the power is turned on a tap sound to i
246. motor is adopted for indoor fan motor in the Concealed Duct Standard Type air conditioner Caused from its characteristics a current limit works on the direct current motor When replacing the high performance filter or when opening the service panel be sure to stop the fan If an above action is executed during the fan operation the protective control works to stop the unit operation and the check code P12 may be appear However it is not a trouble When the desired operation has finished be sure to reset the system to clear P12 error code using the electric leak breaker of the indoor unit Then push the operation ON OFF button of the remote controller to return to the usual operation Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements SAFETY CAUTION The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications Illustrated marks and keep them Explanation of indications Indication Explanation AN DANGER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the AN WARNING repair engineers the
247. n has finished be sure to return the temporarily removed group wire or CN41 connector to the original connection ke Indoorunit Service P C board of Indoorunit Indoorunit s P C board P C board the unit to be changed i i ji CO Case 1 A a E m ay TB 7 emove the group wire of the Sf 5 A LL S terminal blocks A and B of the Group wire Remote changed indoor unit and then controller install the remote controller only Indoorunit Indoorunit Indoorunit Service P C board of P C board P C board the unit to be changed Case 2 fore ee ay ATE AB Remove CN41 connectors pi of the indoor units other A SS 7P lt than the units to be changed Group wire Remote in the same group controller 202 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Procedure 3 Writing in of setup contents to EEPROM The EEPROM contents which are installed on the service PC board have been set up at shipment from the factory 1 Push buttons simultaneously for 4 seconds or more 1 Ady is displayed in the UNIT No box In this time is displayed in the item code DN The fan of the indoor unit operates
248. nal Measure voltage with tester between CN334 1 and 5 on indoor P C board MCC 1402 under condition of CN333 and CN334 installed and power ON Turn fan slowly with hands so that pin voltage fluctuates between 0 and 5V Between 4 and 5 5V Check indoor P C board MCC 1402 g Failure gt Replace Tel 01823 665660 www heronhill co uk Fax 01823 665807 stl Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Check code name Check code name Cause of operation P15 AE Gas leak detection Outdoor unit service valve closed P15 AE Gas leak detection Outdoor unit service valve closed d07 AI NET TS condition Sub code 01 Outdoor PMV error d07 AI NET TD condition Sub code 02 Outdoor PMV error TS1 sensor error TD sensor error Refrigerant shortage clogging refrigerant SV4 circuit error circuit Refrigerant shortage clogging refrigerant 4 way valve error circuit SV4 circuit error NO Are service valves of gas Are service valves at gas and NO and liquid sides fully opened Open service valves fully liquid side fully opened Open service valves fully YES YES Is outdoor PMV1 2 normal Is outdoor PMV1 2 normal t eonneelor connection NO 1 Connector connection NO a
249. ne error 2 Compressor error d07 Al NET Sub code 01 Compressor 1 side 02 Compressor 2 side Are connector connection NO Check and correct circuit and cables and wiring normal such as cabling to compressor etc YES YES Is not grounded Compressor error gt Replace NO indi YES Is not winding shorted Is winding resistance 0 1 to 0 30 Compressor error gt Replace NO YES Is not winding opened gt Compressor error gt Replace NO Check IPDU P C board Failure gt Replace Check code name Check code name P31 47 Cause of operation Other indoor error Group follower unit error Other indoor unit in the group is abnormal d07 Al NET When the header unit of the group detected E03 L03 L07 L08 error the follower unit of the group displays P31 error and stops There are no check code display and alarm record of the main remote controller Tel 01823 665660 www heronhill co uk NO Are AI NET X and Y ae eee communication lines normal Correct communication line YES Are connections of CN01 CNO2 and CNO3 connectors on network adaptor P C board MCC 1401 and CN309 and CN41 connectors on indoor P C board normal NO Correct connection of connectors YES y Are remote controller communication lines Check connection of A B terminal Correct communication line of remote controller A B normal
250. nection from without main remote controller Remote controller address connector U1 U2 terminals of indoor outdoor No Correct connector connection inter unit wire normal YES Check remote controller P C board Defect gt Replace Ei F l NO s the end terminal resistance setup of outdoor unit normal Correct the end terminal resistance setup YES NO 3 Check code Check code name Cause of operation Is address setup correct Set up address again YES E02 d07 AI NET Remote controller sending error Signal could not be sent to indoor unit Check the communication wire of the remote controller Check connection of inter unit wire between NO indoor and outdoor is correct and then Is power applied to fuse F03 on indoor P C board connect communication line connector on indoor P C board CN40 to CN44 EMG It is not displayed on 7 segment display of the central control controller YES Is communication cabling between a i remote controller and indoor unit correct Correct the communication cabling YES Se a Is there no noise etc Check noise etc and eliminate it if any YES NO Sending circuit error y inside of the remote controller Check indoor P C board Replace remote controller Defect Replace For details refer to Troubleshooting in test operation Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requir
251. ng when No of heating indoor units increases SVSS Reducing valve 1 For recovery of refrigerant of the stopped indoor unit of which cooling thermo OFF 2 For reducing pressure when No of heating indoor units decreases 46 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 4 3 Indoor Unit Liquid side Gas side i Capillary tube Air heat exchanger at indoor side C x Pulse Motor oO Valve PMV Sensor Sensor TCJ Fan TC2 Ss en s i Sensor Fan motor i TA NOTE MMU AP0071YH to AP0121YH type air conditioners have no TC2 sensor Functional part name Functional outline Pulse Motor Valve PMV Connector CN082 6P Blue 1 Controls super heat in cooling operation 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation Temp sensor Connector CN104 2P Yellow 1 Detects indoor suction temperature Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation Connector CN101 2P Black 1 Controls PMV under cool in heating operation Connector CN102 2P Red 1 Controls PMV super heat in cooling operation 2 MMU AP0071 to AP0121YH only Controls PMV under cool in heating operation 47 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requiremen
252. nitialize PMV is heard If this sound is not heard PMV operation error is considered However this sound may not be heard at a place where outside sound takes precidence 2 Do not remove the driving part Head part of PMV during operation It may cause error in opening 3 When transporting replacing the set never keep the driving part removed The valve is closed and the valve is damaged by sealed liquid compression 4 When removing the driving part and attaching it again push in it securely until a click sound can be heard Then turn off the power once and turn on the power again lt Release control list gt High pressure release SV2 ON SV41 SV42 ON PMV3 45 pulses All heating operation 60 pulses All cooling operation Operation frequency limit Low pressure release SV2 ON SV41 SV42 ON Operation frequency limit Discharge temp release SV6 ON Operation frequency limit Current release Operation frequency limit Heat sink release Tel 01823 665660 Outdoor fan speed up Operation frequency limit 64 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 APPLIED CONTROL 7 1 Indoor Unit 7 1 1 Setup of Selecting Function in Indoor Unit Be sure to Execute Setup by a Wired Remote Controller lt Procedure gt Execute the setup operation while the unit stops
253. nnector INNS NAA KSK SSS S SR S SSS AEE LEE EN LEEENA COOCOMOCORNOCOCOONOCOCOCONOCOOCORMO OROCO CONO 0O00 ego Earth screw ber Fandrive Option XA ULK GX X3 bh x ce ey a 2z 220 240V 50Hz epee 1 indicates the terminal block letter at inside i gt gt indicates the terminal number l v U 2 A dotted line and broken line indicate the wiring at site l oo 3 EJ indicates the control P C board 4 BLK saw l a Y a a a ge te PEE amp ok l nad Ue ee i aS Parts name ty beet CNO2 l ii ka l 42 i Fan motor QOQ l BLU i AR Indoor temp sensor ree c Sai Temp sensor AOON Wi LK WHL BLK Y i Temp sensor 777c l ee J Temp sensor Color id nificati orice WHI j LM LMZ Lover motor ene oom Wired remote Adaptor for wireless controller remote controller Tel 01823 665660 www heronhill co uk Fax 01823 665807 vl Color RED WHI YEL BLU BLK GRY PNK ORN BRW GRN Indoor unit Earth screw Tel 01823 665660 indication RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE BROWN GREEN Heronhill for all your Toshiba requirements 4 COoes 7 i Ot my LM PNN oe CXS arn LX XS RED AA 3 CNo33 1X2X3 CNo30 RY002 RY001 RY006 Fuse p T5 0A N067 DVA BLK 250V DW ZZN P
254. not push cL button because all the alarm histories of the currently selected group are deleted 6 To finish the service check push Unit No display Alarm display a UNIT No CN Soo o 32 0 D m a l Alternate flashing display Yul O RC No 113 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements In case of AI NET central remote controller 1 Operation for CHECK display When pushing the CHECK switch the indoor unit No Network address No including the check data is displayed in the UNIT No display section and the check code is displayed in the set up temp display section ooN CHECK switch O ANE EVEL une GEG GPE E WER No Ot POER Push for 0 5 seconds to display CHECK code ERDAS ENaenE ANS MOO A Push for 3 seconds to reset indoor microprocessor tL MED Pem While indoor microprocessor is locked by ALL STOP alarm Push for 10 seconds to clear check data FIX MANUAL MONITORISET ALLZONE ZONE UNIT ON CENTERLOCKED MODE TEMP FILTER RESET CHECK te 00000000A ZONESETENTER SELECT OFF TMERON GFN 1 eee eee8n RESET switch D 0 0 0 Push the switch in the hole with pin The remote controller resets initialized All data is cleared 2 Reading of CHECK monitor display lt 7 segment display gt
255. nsor error All stop Resistance value of e Check connection of TK2 sensor connector sensor is infinite or zero e Check characteristics of TK2 sensor resistance value Open Short Check outdoor PC board I F error All stop Resistance value of e Check connection of TK3 sensor connector sensor is infinite or zero e Check characteristics of TK3 sensor resistance value Open Short Check outdoor PC board I F error All stop Resistance value of e Check connection of TK4 sensor connector sensor is infinite or zero e Check characteristics of TK4 sensor resistance value Open Short Check outdoor PC board I F error H14 H14 44 I F Compressor 2 All stop Compressor 2 case Check compressor 2 case thermo circuit Connector cable P C board case thermo thermostat operated e Check full opening of service valve Gas and liquid side operation Check outdoor PMV clogging PMV1 2 e Check SV42 valve leak e Check miscabling misinstallation of SV41 and SV42 e Check valve opening of indoor PMV e Check 4 way valve error e Check refrigerant shortage e Check SV11 circuit Wiring OFF at one side only e Check mispiping of discharge gas suction gas main pipe e Check Flow selector unit Check leakage of SVD valve and SVS valve Check leakage of SVDD valve and SVSS Check mispiping of FS unit connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connectors
256. o 5V 5 pin GND IPDU PC board error YES Both IPDU No 1 No 2 and fan IPDU did not return the communication On the fan power supply P C board 1 CN503 Between 1 and 5 pins gt 12V 2 CN503 Between 2 and 5 pins gt 7V 3 Between 5V and GND at the side of CN505 5V NO Replace fan power supply P C board Auxiliary code P C board to be replaced 01 IPDU1 02 IPDU2 03 IPDU1 2 Replace IPDU P C board with trouble 04 Fan IPDU 05 IPDU1 fan IPDU 06 IPDU2 fan IPDU 07 IPDU1 2 fan IPDU I F Tel 01823 665660 www heronhill co uk Cause of operation Check code name Check code name Interlock in indoor unit from outside NO Check indoor P C board Failure Replace YES I NO Does outside device correctly operate X gt Peres noe YES Check cause of the operation L30 b6 d07 Al NET Outside error was input Is outside device connected to connector CN80 Check code name Check code name Cause of operation L31 Extended IC error 1 Outdoor unit power error d07 AIl NET 2 Outdoor I F P C board error Is there any trouble of gt Check power voltage and line outdoor unit power supply Check auxiliaty noise etc NO Check outdoor I F P C board Check codename code name Check code name Cause of operation P01 11 Indoor fan motor error 1 Cabling error d0
257. o per form a backup operation by the other normal compressor lt Work procedure gt 1 Turn off the main power supplies of all the units connected to the system 2 Set up the switch SWO6 on the interface P C board of the outdoor unit with failure compressor as shown below Initial setup at shipment from factory No 1 compressor Left side is defective No 2 compressor Right front side is defective 3 Turn on the main power supplies of all the units connected to the system Then setup operation for the compressor backup finishes 178 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 12 REFRIGERANT RECOVERY WHEN REPLACING THE COMPRESSOR 12 1 Process after Repair After completion of the repair work perform vacuuming in the outdoor unit in the following procedure lt Work procedure gt 1 Short CN30 on the interface P C board of the outdoor unit which repair work has completed to open PMV fully Confirm that Bit 1 of SW12 is OFF NOTE The full opening operation of PMV by CN30 short circuiting returns to full closing after 2 minutes To continue full opening status turn off the power supply of the outdoor unit within 2 minutes after CN30 short circuiting 2 Be sure to perform vacuuming from the following three check joints Liquid pipe discharge pipe and suction pipe Propeller fan Fan motor Gels oo TE1 H
258. oN 5_6 6 GRY ro 9 oa GRY DAN ce I PON SLALOZLAVIN 8LILOOLdVIN 8L4LO80dVIN AININ WHI MCC 1502 CN15 CN13 RED IPDU Board 2 Lg CNO3 L1 CNO2 L2 CNO1 L3 Reactor two dot chain line indicates wiring at the local site and the dashed line indicates Pressure Pressure Option 1 Option 1 Option i Option Option 1 ql PMV1 PMV2 PMV3 Sensor Sensor Board Board 1 Board Board Board Sale eee SEELEY Mine PEL GT EY E ena ala l Zz z z z rs ly a aa zE SEREAS SEREAS SEREA SE eel el TTT T Ge a a 2019 B2 6K5KAKSX2 X1 6051413 K211 LEX5SKAXS K2 X1 4X3 X2 4X3 19 KAXSX2 K1 AKSAK 413 F201 LSLS X2 X19 KALS K2 1 3 K1 3 U Vw ff 201 L31211 GUS T4Y3 toni L6X5KLAXS K211 L6X5L4ALS X21 AXSX2 11 KALS L211 LAX X21 LAS A21 ALS K2 L1 L5 X4ALS A21 Goeeou md 3 tt 3 i rh 7 CN01 CNO3 CN300 CN301 CN302 CN500 CN501 CN508 CN509 CN510 CN513 ensis CN306 CN308 Aaya UE TD1 FAN IPDUT BLU WHI WHI WHI RED WHI RED RED BLK WHI BLU BLU WHI BLU BLueLo VEL P C Board l I cngog wHi RBS CN502 A MCC 896 897 HH au WHI ey BLUIBLK CNot Hy yy OO AWA 5 CN503 TD2 WH ii i Sve1 CR500 RY500 PNK BLU BLK R
259. oaae a wand dw eeeaneneacianaadadaumuasnticddeddcudeuaiidvacuvaddueeuveundddavenndeta 9 2 WIRING DIAGRAM ss esss secesie enunt sennen danean esset ananena aaeeea diais sssusa 13 3 PARTS RATING iiiccccsscssaceceatecsandd sssseccavensanseeacianatanadiealid cgsdsanceanuacacceucauetnd 26 4 REFRIGERANT PIPING SYSTEMATIC DRAWING ee eccsssseseeseeeeeees 43 5 SYSTEM REFRIGERANT CYCLE DRAWING ceeeteeeeeseseeseeeeeeenenes 48 6 CONTROL OUTLINE sisccaccsicatncsivcnrncannncucededaccianssadsusseweuvewavactvusenanunstdeectadas 55 Te APPLIED CONTROL wsicccecd sick sasiccesccctecentteseseceesstacadecatecseavsencennndnccecccaeetes 65 8 TEST OPERATION sisssssisssacicunsiweadansvencedesveuseils cassadveustuautbestecadsvasmuauiesnendive 78 9 TROUBLESHOOTING vance sees cccdeaietassendticceacssescuessusaasecentadsiadeicanscunesaeceewes 107 10 CONFIGURATION OF CONTROL CIRCUIT cccecccccesseseeeeeeereereeeeneees 164 11 BACKUP OPERATIONS EMERGENCY OPERATION ceeeeeee 178 12 REFRIGERANT RECOVERY WHEN REPLACING THE COMPRESSOR sceeeeeeeeeeeeeeeeeneeeeeeenenes 179 13 LEAKAGE CLOGGING OF OIL EQUALIZATION CIRCUIT 008 180 14 REPLACING COMPRESSOR iissiecccusiscsccvessssstasaniensevdneevedisncciendiuedaseenaas 182 15 REOLACING METHOD OF PARTS sscseeeeeeeeeeeeeeeaeeneeeeeeeeeeeneenennees 189 16 P C BOARD EXCHANGE PROCEDURES ccccetttceeseseseeeeeeereeeeeenenes 200 A direct current
260. of outside air control Check indoor type code DN 10 and the capacity code DN 11 Outdoor liquid back detection error All stop lt in heating gt Check full close operation of outdoor PMV 1 2 While the system is operating Check Pd and Ps sensor error in HEAT mode outdoor PMV of Check clogging of SV2 circuit which opening degree was 100 Check clogging of 4 way valve error circuit pulse or less for a certain time Check outdoor PC board I F error e Check capillary clogging of oil return circuit from oil separator e Check TS1 TS2 sensor error 01 TS condition Gas leak detection TS1 condition All stop Suction temp exceeded the e Check refrigerant shortage judgment standard temp for 10 Check full open of outdoor service valves gas side liquid side minutes or more Check outdoor PMV clogging PMV1 2 lt TS error judgment standard Check characteristics of TS1 sensor resistance value temperature gt e Check 4 way valve error In cooling operation 60 C or Check leakage of SV4 circuit higher Check leakage of SV5 circuit In heating operation 40 C or Check mispiping of discharge gas suction gas main pipe higher e Check Flow selector unit Check leakage of SVD valve and SVS valve Check leakage of SVDD valve and SVSS Check mispiping of FS unit connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connecto
261. oil equalization pipe of the service compressor and then add oil by oe 1900 lec using a funnel or so on 185 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements lt Installation of compressor gt e Install the compressor in the reverse procedure of removal When removing the compressor Fasten receptacle terminals of the compressor may be loosened Prior to the installation caulk a little to them with radio pinchers reinsert them into the compressor and then check there is no looseness NOTES e Only two hexagonal bolts are provided to a compressor but it is not lacking e The tightening torque of the hexagonal bolt to fix the compressor is 200kg cm e If oil has been extracted from the accumulator braze the cutoff pipe after pinching lt Vacuuming gt In case of single outdoor system gt Connect vacuum pump to the valve charge ports of the liquid and gas pipes and the check joint at high pressure side and then drive the vacuum pump Vacuum until the vacuum low pressure gauge indicates 1 mmHg NOTE Before vacuuming open PMV1 2 fully Vacuuming may not be executed for the heat exchanger of the outdoor unit under condition of PMV1 2 closed In case of multiple outdoor units system In case of conducting the refrigerant recovery at replacing the compressor perform vacuuming as 13 3 Process after repair lt Full opening of PMV1 PMV2 gt
262. ol device transmission error Operation continued e Check central control device error e Check communication line error of central control device e Check setup of terminator resistor Signal is not transmit from central control device TCC LINK central control device receiving error Operation continued Signal is not received from Check central control device error central control device e Check communication line error of central control device e Check setup of terminator resistor Check the power of connecting destination connected device Check PC board error of the connected device HA control interface Interface batch alarm of HA control interface Operation continued Error was input in HA Check error input control interface 3 TCC LINK Differs according to error contents of the with alarm Follower unit error of group control Operation continued An error occurred in Check the check code of the unit with alarm follower unit of the group control P30 is displayed only on the central remote controller L20 is displayed Error detected by Al NET central control device Check code Outdoor 7 segment display AI NET Detected position central control remote controller Main remote controller Check code Sub code Duplicated central control address Check code name Operation continued Central control addresses Che
263. ol the system can operate when connecting with any indoor unit Control P C board in the group However when taking out the operation error signal from the other unit it is necessary to take out from each unit individually 1 Control items 1 Start Stop input signal Operation start stop in unit 2 Operation signal Output during normal operation 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4E Input IFCB 4E No voltage ON OFF serial signal Output No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A Indoor control P C board Remote location ON OFF control box TCB IFCB 4E ON OFF serial signal input COM Operation signal output s gt Error signal output Power supply 220 240V 50Hz 69 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements E Ventilating fan control from remote controller Function e The start stop operation can be operated from the wired remote controller when air to air heat exchanger or ventilating fan is installed in the system The fan can be operated even if the indoor unit is not operating e Use a fan which can receive the no voltage A contact as an outside input signal e Ina group control the units are collectively operated and they can not be individually operate
264. ol P C board MCC 1403 controller Poem Joommunication controller circuit DC20V communication circuit DC12V Central control ANET remote controller JT fcommunication gt SRU pesv Option circuit In case of Al NETWORK CPU H8 3039 circul A Outside output AC synchronous Indoor fan motor Transformer L N ut Max 8 units are connectable 1 T 1 However in a case that the network adaptor is installed Outd maximum 7 units are connectable 10220240N 50H vai fi z 2 The network adaptor is installed to only one unit 3 The weekly timer cannot be connected to the simple wired remote controller Float input lone for Concealed Duct communication j j Circul control circuit COO 2 Indoor Outdoor u2 communication Wireless remote controller kit Remote controller communication circuit Sensors Display section 4 Nome for concealed duct Floor standing cabinet Floor standing concealed 5 Nome for concealed duct Floor standing cabinet Floor standing concealed Floor standing Tel 01823 665660 www heronhill co uk lt adA Buipuej s 100 4 adAl payeaou04 BHulpue s 10044 adAL Joulrqey BHulpuejs 10044 adA_ ainssaig 218IS YIH Nq pejesdu0g Power 1 Power supply supply Outdoor Outdoor unit unit 6 Nome for 1 way discharge cassette YH type Fax 01823 665807
265. om In heating operation use the air outlet flap with downward set point so that the hot air is spread to the floor lt Left Right air direction adjustment gt When you change the blowout direction to left right direct the vertical flap inside of the air outlet flap to desired direction Floor Standing Cabinet Type In cooling operation In heating operation For Heat pump model only In cooling operation use the air outlet flap with In heating operation use the air outlet flap with horizontal set point so that the cold air diffuses in downward set point so that the hot air blows at the whole room foot an gt g Floor Standing Type lt Adjustment of air direction upward downward gt In cooling operation In cooling operation move the flap with hands and use it with horizontal air outlet point so that the cold air diffuses in whole room In heating operation For Heat pump model only In heating operation move the flap with hands and use the air outlet flap with downward set point so that the hot air blows at the foot lt Adjustment of air direction rightward leftward gt Lift up the vertical flap lightly direct it toward the desired direction and lower it In this case do not use the Swing function FANSEN In this case do not use the swing function ak SS Fax 01823 665807 6 Heronhill for all your Toshiba
266. on Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit JepurAo uesa uoy Electronic balance cylinder Electronic balance R410A refrigerant is consisted with HFC mixed refrigerant Therefore if the refrigerant gas is charged the composition of the charged refrigerant changes and characteristics of the equipment changes 6 Environment Use Vacuum pump method for an air purge Discharge of air in the connecting pipe in installation time Do not discharge flon gas into the air to protect the earth environment e Using the vacuum pump method clear the remained air Nitrogen etc in the unit If the air remains the pressure in the refrigerating cycle becomes abnormally high and an injury and others are caused due to burst 8 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 1 OUTLINE Super Heat Recovery Multi System is a multi air conditioning system which enables each indoor unit in a refrigerant line to independently select cooling or heating operation As it is available to operate simultaneously in cooling and heating modes more amount of heat recovery becomes possible This system is the most appropriate one for a building or etc where cool and heat air are mixed such as a building of which temperature difference between each room is large due to influence of daylight or a building which has a server room r
267. on 2 Do nothing if data is same as those in the memo 7 Using temperature setup __a__ __v__ buttons change the item code DN Check also the contents of the setup data and then change them it to those in the memo 8 Then repeat operations in items 6 and 7 9 After setup operation push button to return to the normal stop status 6 In a group operation turn off the power supply once return the group wires between indoor units and CN41 connectors as before and then turn on power of all the indoor units It requires approx 1 minute to operate the remote controller The item code DN is consisted with 4 to AA DN No may jump on the way Even if pushing set button after changing the data incorrectly the data can be returned to one before change by pushing button before changing the item code DN lt EEPROM layout gt EEPROM IC10 is attached to IC socket To remove it use a pair of tweezers etc To attach EEPROM arrange the direction as shown in the following figures In exchanging time pay attention not to bend the lead wire of IC PC board MCC 1402 PC board MCC 1403 EPROM IC10 _ Align notch directions of IC socket o and EEPROM for installation NU me lt 4 Notch af co IC socket Notch EPROM EPROM IC10 203 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requ
268. onditioner stops The indoor unit numbers in a group control are successively displayed and the corresponding indoor fan is turned on Operation while the air conditioner stops 7 Push amp F buttons simultaneously for 4 seconds or more Unit No ALL is displayed The fans of all the indoor units in a group control are turned on 2 Every pushing button the indoor unit numbers in the group control are successively displayed e The firstly displayed unit No indicates the address of the header unit Only fan of the selected indoor unit is turned on Operation procedure 3 Push button to finish the procedure 152 53 End All the indoor units in group control stop Tel 01823 665660 www heronhill co uk To confirm all the unit numbers from an arbitrary wired remote controller lt Procedure gt Operation while the air conditioner stops The indoor unit No and position in the same refrigerant line can be confirmed An outdoor unit is selected the indoor unit numbers in the same refrigerant line are successively displayed and then its indoor unit fan is turned on 7 Push the timer time E2 buttons simultaneously for 4 seconds or more Firstly the line 1 item code AL Address Change is displayed Select outdoor unit 2 Using C T buttons select the line address 3 Using button determine the selected line address e The indoor unit address which is connected to the refr
269. operation frequency is decreased by 1 step when Pd pres sure gt 3 4MPa It is decreased by 1 step every 10 seconds until Pd pressure becomes below 3 4MPa 2 Release condition e When Pd pressure lt 3 2MPa e When refrigerant recovery control starts in all heating room e During defrost operation stop thermo OFF 62 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Compressor stop by high pressure release control Heronhill for all your Toshiba requirements Operation explanation and applied data etc This control is to forcedly stop the compressor in outdoor unit according to Pd pressure 1 Contents of control e The compressor stops when Pd pressure is over 3 5MPa Remarks Case heater control The case heater output includes compressor case heater and accumulator case heater This control is to prevent accumulation of refrigerant in the compressor case by turning of the power of heater while the compressor stops and it is executed in all the outdoor units If electricity is not turned on for a specified time before the test run after installation a trouble of the compressor may be caused When the power has been interrupted for a long time and the operation starts from the status as it was it is desirable to turn on the power before start of operation as per the test run time This control is used often together with the compressor winding heating control In this case the power sound may be he
270. operation has stopped a sound such as water flows may be heard and the operation sound may become larger for 2 or 3 minutes immediately after the operation has started They are flowing sound of refrigerant or draining sound of dehumidifier This is sound generated when heat exchanger etc expand and contract slightly due to change of temperature Various smell such as one of wall carpet clothes cigarette or cosmetics adhere to the air conditioner Do not the outdoor temperature go out of the specified range When the manager of the air conditioner has fixed the operation to COOL or HEAT and an operation contrary to the setup operation is performed When fan operation stopped to prevent discharge of hot air Since refrigerant is flowed temporarily to prevent stay of oil or refrigerant in the stand by indoor unit sound of flowing refrigerant Kyururu or Shaa may be heard or white steam when other indoor unit operates in HEAT mode and cold air in COOL mode may be blow out Sound is generated when the expansion valve operates when power has been turned on Is the timer ON or OFF Does not operate By Is it a power failure Is the power switch turned off Is the power fuse or breaker blown Has the protective device operated The operation lamp goes on Is the timer ON The operation lamp goes on Do not the outdoor temperature go out of the specified range Air is not cooled or
271. or Compressor lt 4 positons A cc Removed compressor mass kg 23 5 x 1042 Sound insulation mat Specific gravity of oil 1042 cc kg NOTE When the compressor holds no oil the compressor mass is 23 5kg 183 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements lt Color check for oil of the defective compressor gt e Lay down the troubled compressor extract a little amount of oil from the oil equalization pipe and then check the oil color based on the oil color sample e Determine No of compressor t be replaced by checking oil color e ASTM Below 4 Replace the troubled compressor only e ASTM Above 4 Replace the troubled compressor and the Compressor normal compressor Oil equation pipe In case of replacing of troubled compressor only lt Adjustment of oil amount in the service compressor gt Oil amount 1900cc at shipment Adjust oil amount from oil amount of defective compressor A cc by following to the contents below 1 In case of oil amount of the troubled compressor A cc is 0 lt A lt 1000 1 Adjust oil amount in the service compressor to 1000cc Lay down the service compressor and then extract oil by 900 cc from the oil equalization pipe NOTE e Do not extract oil over 900 cc because a trouble may be caused on the compressor If oil amount of the troubled compressor is below 500
272. or I F P C board SW11 bit 1 is ON and the other indoor unit is under COOL DRY operation 2 HEAT standby is displayed until the above conditions are released Remarks QY goes on goes on Selection of central control mode 1 The contents which can be changed on the remote controller at indoor unit side can be selected by setup at the central controller side 2 In case of operation from TCC LINK central controller TCB SC642TLE etc Central control mode 1 Cannot operate Central control mode 2 Cannot operate stop select mode set up temp Central control mode 3 Cannot select mode set up temp Central control mode 4 Cannot select mode 3 RBC AMT21E Wired remote controller While mode is the central control mode g CENTRAL lights on the display part of the remote controller 58 If operation is performed from the remote control CENTRAL CONTROL mode the status is notified with receiving sound Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 6 2 Outdoor Unit 6 2 1 Operation Start Operation End The compressor solenoid valve pulse motor valve PMV outdoor fan etc are controlled by a command from the indoor controller The follower outdoor unit starts stops by a command from the header outdoor unit Pulse Motor Valve PMV control Operation explanation and applied dat
273. or casa leck elogang Replace defective parts While outdoor unit is operating set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 SV3E for 2 seconds or more Refrigerant accumulation Set up SW02 6 and turn on SV3D valve 7 segment display Hr 3d If temperature is low at secondary side of the valve or it does not change clogging of valve capillary or strainer is considered in the figure No leakage or clogging Correct accumulation of refrigerant in compressor case reset power supply and then start operation 2 Check clogging in oil recovery circuit of the oil separator Capillary Strainer Check clogging of SV3D valve Replace defective parts Check oil level judgment of each compressor No clogging W01 02 03 1 16 1 are displayed on 7 segment display Are all the oil levels appropriate NO YES P F R va Clogging Check clogging of oil equation circuit A Eliminate cause of accumulation 3 Replace defective parts Indoor outdoor PMV error Cause of refrigerant accumulation Discharge check valve error etc Reference If refrigerant is accumulated in the compressor case oil level short may be judged Tel 01823 665660 www heronhill co uk Fax 01823 665807 Ovl Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation 3 a Clogging check for oil e
274. or outdoor capacity Sub code 00 Capacity over 01 Number of connected indoor units YES Is backup operation of outdoor unit being set up Is No of connected NO NO indoor units correct YES NO Is setup of indoor unit HP correct YES Is total capaci indoor units wi For a service P C board Set up jumper 9 y of connected hin 135 1 YES check outdoor HP setup OK 10 11 and 12 NG Check outdoor interface P C board A ssy Tel 01823 665660 Perform setup of no detection for capacity over Excessive indoor units are connected Correct miswiring Correct HP setup Set capacity of connected indoor units within 135 of outdoor units Set up outdoor HP Refer How to exchange interface P C board 1 When capacity of the outdoor unit is 12HP up to the maximum capacity 120 of indoor units can be connected www heronhill co uk Check code Check code name Cause of operation E18 97 99 Communication error between Regular communication between indoor header d07 Al NET indoor header and follower and follower is unavailable NO Correct remote controller inter unit wire YES Correct connection of connector Check circuit wire Are remote controller inter unit wires A B normal YES Is there any disconnection of connector or wiring from terminal block of indoor unit NO NO Is a gr
275. or units All stop When signal is not sent fora e Check the power supply of indoor unit Power ON units which certain period from the indoor Check connection of communication line between indoor and outdoor received signal unit which has been used to Check connector connection for communication in indoor PC board normally send signals E06 is e ns e Check connector connection for communication in outdoor PC board normally displayed n Check indoor PC board failure Check outdoor PC board I F failure E07 Indoor outdoor communication All stop Transmission from outdoor to _ Check outdoor end terminal resistance setup SW30 2 circuit error indoor cannot continue for 30 e Check the communication connection between indoor and outdoor Detected at outdoor side seconds E08 E08 Duplicated 96 Indoor Duplicated indoor addresses All stop Multiple indoor unit address Check indoor address indoor VF setup are duplicated Check the change of remote controller connection Group individual addresses after setup of indoor address E09 99 Remote Duplicated master remote Corresponding In 2 remote controller control Check remote controller setup controller controllers unit only stops including wireless both are e Check remote controller PC board setup as master Header indoor unit stops and other indoor unit is operating E10 CF Indoor unit Communication error between Correspon
276. ork adaptor on the indoor P C board Tel 01823 665660 www heronhill co uk Fax 01823 665807 Are not two or more central control system identical network addresses connected vl Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation L29 CF IPDU quantity error Incorrect model setup in service for I F P C d07 Al NET board Communication error between IPDU fan IPDU and I F IPDU fan IPDU I F P C board error Sub code 01 IPDU1 error 02 IPDU2 error 03 IPDU1 2 error 04 Fan IPDU error 05 IPDU1 fan IPDU error 06 IPDU2 fan IPDU error 07 All IPDU error or disconnection of communication line between IPDU I F P C board or outdoor I F P C board error Is jumper setup of outdoor I F P C board correct NO Jumpers 7 8 9 ON YES Correct connection of connector y Is communication connector between IPDU and I F P C board connected YES Correct connection of connector NO ion of communication and I F P C board Is there no disconnec line between IPDU Replace communication line NO Is there voltage fluctuation between 4 and 5 pins of CN600 on I F P C board Measurement by tester DCO to 5V 5 pin GND I F P C board error YES Is there voltage fluctuation between 3 and 5 pins of CN600 on I F P C board Measurement by tester DCO t
277. oup control operation YES Are powers of all indoor units turned on NO Check power connection status of indoor unit A Check indoor P C board Failure gt Replace Check indoor address Correct indoor address YES gt Check code E19 96 Check code name Cause of operation Header outdoor units quantity error 1 Misconnection of inter unit cable between indoor and outdoor 2 Outdoor I F P C board error d07 Al NET Sub code 00 No header unit 02 Two or more header units Are not communication lines U1 U2 between indoor and outdoor connected to multiple outdoor units Connect communication line between indoor and outdoor to one unit per 1 system Connect communication line between indoor and outdoor Reference When the power supply of the outdoor unit is firstly turned on the check code E19 00 is displayed until the power supplies of the indoor units are turned on However it is not an error If the power supplies of the indoor units are turned on the check code is automatically reset NO Is communication line between indoor and outdoor connected to one unit per 1 system YES Check I F board Fax 01823 665807 cel Heronhill for all your Toshiba requirements Check code Check code name Cause of operation E26 15 Decrease of connected 1 Outdoor unit backup setup d07 Al NET outdoor units
278. ow How to check inverter output 1 Turn off the power supply 2 Remove the compressor lead cables from the compressors Be sure to remove lead cables of both compressors 3 Turn on the power supply and start cooling or heating operation In this time pay attention to touch the fasten receptacle terminal lug of the compressor leads so that they do not contact with other fasten receptacle terminal lug or other position unit cabinet etc 4 Check output voltage of compressor lead cable at inverter side When the output voltage does not satisfy the criteria in the following table replace IPDU PC board Measured position Criteria Between Red and White 400 V to 650 V Between White and Black 400 V to 650 V Between Black and Red 400 V to 650 V After checking the output when connecting the compressor lead again to the compressor terminal check surely there is no distortion on the fasten terminal lug If it is loosened caulk it with pinchers etc and then connect lead to the terminal How to check resistance of compressor winding 1 Turn off the power supply 2 Remove the compressor lead cables from the compressors In each compressor check the winding resistance between phases and resistance of the outdoor cabinet using a tester Is not it earthed Normal if 10MQ or more are measured e Is not shorted between windings Normal if 0 7Q to 0 99 are measured Use a precise digital tester H
279. ow to check the outdoor fan motor Turn off the power supply Take off three connectors U V W from the fan IPDU PC board Turn the fan with hands If the fan does not turn it is a fan motor error Lock Replace the fan motor If the fan turns measure the winding resistance between the phases of the connector Motor winding with a tester If 13 to 33Q are measured it is normal Use a digital tester on 128 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 5 Diagnosis Procedure for Each Check Code Check code Check code name Cause of operation E01 d07 AI NET Communication error between indoor and remote controller Detected at remote controller side Remote controller inter unit cable error Indoor power error Indoor P C board error Remote controller address setup error Remote controller P C board error Check code Check code name Cause of operation E03 97 d07 Al NET Communication error between indoor and remote controller Detected at indoor side No communication from remote controller and communication adaptor This error is detected when the indoor unit cannot receive a signal from the remote controller Check communication wires of the remote controllers A and B As communication is impossible this check code E03 is not displayed on the main remote controller It is displayed on TCC
280. ower supply ingle phase Single p 220 240V 50Hz 220V 60Hz Flow selector unit earth screw _ Closed end connector BRW 24 cno44 1Vcno4o CNo41 BLU Power supply circuit CNO75 WHI CNO61 BLU YEL peak n ane eeren steel 000000 GXXSX4XSX6 Sub P C board MCC 1520 Outdoor unit MCC 1401 CN02 BLU 1 indicates the terminal block letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board Remote controller www heronhill co uk Indoor control P C board CN032 WHI Fan drive ae eee ee 060000 0090000 GOO0e6 EOE PMV DOOOOOTE UX2XSX4X5X6 CNO60 Option CN082 cN1044 YEL cN102 1X RED CN101 BLK CN100 P BRW CNO80 P GRN cNo73 RED cno707 1X1 WHI F CNO81 BLK WHI Parts name _ Filter FM Fan motor RC Running capacitor TR Transformer LM Louver motor TA Indoor temp sensor TC1 TC2 TCJ Temp sensor RY001 Louver control relay RY002 Drain control relay RY004 RY005 007 Heater control relay Fan motor control relay FS Float switch DM Drain pump motor Pulse Motor Valve Fax 01823 665807 HML8t0dV
281. p TE N i e i i er SV3A valve TK1 TK2 sensor High pressure TS1 sensor i ne if U swt aS SV12 valve AD RD ji Gil ane d PMV ZARI N hey 4 way valve ac TS SV3B valve TL sensor Check joint High pressure AY i Meam TD1 sensor aman Swe eines TK3 sensor TD2 sensor TK4 sensor High pressure sensor Check joint Liquid pipe Front side Rear side Tel 01823 665660 www heronhill co uk Fax 01823 665807 ce Heronhill for all your Toshiba requirements 3 6 Name of Each Part 3 6 1 Outdoor Unit Air outlet Discharge Hot air is discharged when cooling operation is performed Cold air is diacharged when heating operation is performed Air inlet They are provided at front rear left and right sides Power source hole Refrigerant pipe connecting hole Connecting valve is included inside here Fixing leg _ 2 3 6 2 Indoor Unit 4 way Air Discharge Cassette Type Air outlet Air outlet flap Select air blow direction in cooling or heating operation each 2 way discharge 3 way discharge 2 way discharge or 3 way discharge can be selected according to the shape or arrangement of the room For details consult with the dealer which you have purchased the air conditioner Earth screw It is included in the electric parts box Air filter Removes dust and trash Air filter is provided in the air grille Clip
282. pply Single phase i ZENI O J ta T TC1 TCJ terminal central control 220 240V 50Hz poen 220V 60Hz RY001 Flap motor control relay 01823 665660 Outdoor unit Remote controller 1 indicates the terminal block letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board www heronhill co uk RY002 RY004 Drain pump control relay Heater control relay RY005 007 Fan motor control relay FS Float switch DM Drain pump motor PMV Pulse Motor Valve Fax 01823 665807 9L Heronhill for all your Toshiba requirements Control P C board for Indoor unit MCC 1403 Color CN081 BLK Power supply indication circuit RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GRN GREEN CNo61 CN032 CNo60 CNO7S5 YEL WHI WHI A FAN OPTION VE i Network Adapter Option Sub P C board MCC 1520 Flow selector CNO1 Parts name unit earth WHI screw S Fan motor o LineFil Running capacitor Indoor uni EEEE cna TR Transformer earth screw d A connector Lover motor TA Indoor temp sensor TC1 TC2 TC
283. pply PC board error of the fan IPDU e Check input power supply voltage of the fan IPDU e Check power supply PC board error of the fan IPDU e Check error of external electrolytic condenser 01 Compressor 1 side 02 Compressor 2 side G Tr short circuit protection error All stop Instantaneous over current was detected when compressor started e Check connector connection and wiring on IPDU PC board e Check compressor error and defect of compressor coil e Check outdoor PC board IPDU error 01 Compressor 1 side 02 Compressor 2 side Compressor _ position detection circuit error All stop Position was not normally detected e Check connector connection and wiring e Check compressor error and defect of compressor coil e Check PC board IPDU error Tel 01823 665660 Other indoor error Group follower unit error Corresponding unit only stops E07 L07 L03 L08 was detected when other indoor unit in the group was defective www heronhill co uk e Check indoor PC board Fax 01823 665807 IKAN Heronhill for all your Toshiba requirements Error detected by TCC LINK central control device Check code Outdoor 7 segment display AI NET Detected position central control remote controller Display on central control device Sub code Check code name Status Error detection condition Check item position C05 TCC LINK TCC LINK central contr
284. provided to change collectively the mode of all the indoor units connected to the same system for the cooling test operation mode Using switches on the interface board of the outdoor unit lt Operation procedure gt Set SW01 on the interface P C board of the outdoor unit to 2 Sw02 to 5 and SWO3 to 1 respectively C is displayed on 7 segment display A Push SW04 on the interface P C board of the outdoor unit for 2 seconds or more f Start TEST is displayed on the remote controller of the indoor unit to be operated Check that C is displayed on 7 segment display B on the interface P C board of the outdoor unit Cc Return SW01 SW02 SW03 on the interface P C board of the outdoor unit to 1 1 1 respectively or push the push switch SWO5 for 2 seconds or more Be sure to turn on power at the indoor side before power ON of outdoor unit 2 All heating test operation function This function is provided to change collectively the mode of all the indoor units connected to the same system for the heating test operation mode Using switches on the interface board of the outdoor unit lt Operation procedure gt Set SW01 on the interface P C board of the outdoor unit to 2 Sw02 to 6 and SWO3 to 1 respectively H is displayed on 7 segment display A Push SW04 on the interface P C board of the outdoor unit for 2 seconds or more f Start T
285. prox 1 minute check that U 1 L08 U 1 flash glag i I I is displayed in 7 segment display section on the interface D600 D601 D602 D603 D604 ie all alae seat t P C board of the outdoor unit SW01 SW02 SW03 shipment trom factory No connectioniof gonn ctor A AN AN AN 3 Turn on power of indoor outdoor 3 Push SW15 and start setup the automatic address D 7 4 up u N 0 0 In order of indoor gt outdoor Max 10 minutes for 1 line Usually approx 5 minutes 4 When the count Auto 1 gt Auto 2 gt Auto 3 is dis 4 After approx 1 minute cheo that 7 segment display is played in 7 segment display section and it changes from U 1 L08 U 1 flash on the interface P C board of the O i tdoor unit U 1 U 1 flash to U 1 U 1 light the ou setup finished 5 Push SW15 and start setup the automatic address Se G See e 5 When perform a central control connect a relay 5 amp O Max 10 min tes Tor 1iline Usually appr x s min t amp s 2 Ui U2 U3 U4 U5 U6 connector between U1 U2 and U3 U4 terminals in 6 When the count Auto 1 Auto 2 Auto 3 is displayed For internal For wiring of the outdoor unit FESS EB in 7 segment display section and it changes from ANa Teraa eae this model CNE U3 Us US U6 U 1 U 1
286. qualization circuit Drive the outdoor unit Drive both compressors in the unit After driving for 10 minutes check temperature of TK1 and TK2 sensors and temperature of oil equalization circuit capillary in the figure were raised H08 d4 Oil level detective TK1 to TK4 sensor Open Short d07 AI NET temperature sensor error Sub code 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error Criterion TK1 TK2 Td1 Td2 temperature Approx 10 to 30 C Oil equalization capillary tubes should be higher sufficiently than outside air temperature and suction temperature If temperature is low a malfunction of capillary strainer or check valve is considered Repair the defective parts The detected error is an oil level detective temperature sensor error Check disconnection of the wiring and resistance value of the sensor If the sensors are normal replace the outdoor I F P C board Circuit Connector TK1 CN514 Black TK2 CN515 Green TK3 CN516 Red TK4 CN523 Yellow High pressure sensor Check code name Check code name Cause of operation Check joint H16 d7 TK1 temperature detective circuit error 1 Coming off of TK1 sensor miscabling d07 AI NET Sub code 01 characteristics error of resistance value Oil equalization circuit error Check valve capillary clogging strainer clogging Refrigerant stagnation
287. quid side Shield with the gauge manifold so that refrigerant does not flow to gas side Open fully PMV of the outdoor unit e Turn on power of the outdoor unit e Short CN30 on I F P C board of the outdoor unit When the specified amount of refrigerant cannot be charged Turn off power of the outdoor unit within 2 minutes after short circuiting charge the liquid refrigerant into the service port at suction gas side while carrying out the all cooling operation In this time reduce slightly amount of refrigerant with valve of Open fully the handle Low of the gauge manifold and then turn on the cylinder for charging The liquid refrigerant may be rapidly the power of vacuum pump for vacuuming charged so charge the refrigerant carefully and slowly Never charge the refrigerant over the specified amount Do not charge the additional refrigerant If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Set the equipment so that liquid refrigerant can be charged When using a cylinder with siphon pipe liquid can be charged without inversing the cylinder Cylinder with siphon Cylinder without siph
288. r Clogging of oil return circuit from oil separator Clogging of oil equation circuit system 1 a Leakage check for SV3C valve Turn off the power supply take off connector of SV3C valve and then start a test operation after power ON After operation for several minutes check temperature at secondary side of SV3C valve in the figure If temperature is high equivalent to discharge temperature TD it is a leakage of SV3C valve Replace SV3C valve Even if there is leakage from SV3C valve does not occur temperature of SV3C valve at secondary side rises during operation When the checked temperature is equivalent to TD temperature it is a leakage of SV3C valve Replace SV3C valve OANOaAHRWND Are TK1 TK2 TK3 and TK4 sensors connected correctly Is there no sensor coming off or misinstallation NO Correct miswiring and misinstallation TK1 CN514 TK2 CN515 TK3 CN516 TK4 CN523 YES b Clogging for SV3E valve Reset the power supply gu Are TK1 and TK2 sensors connected correctly Is there no sensor coming off or misinstallation Are sensor characteristics normal NO Correct miswiring and misinstallation TS1 CN504 TS2 CN522 Sensor error gt Replace Characteristics 2 Referring to Valve forced open close function of the outdoor unit check ON OFF operation Sound coil surface YE temp up of SV3E valve is performed
289. r Check disconnection of circuit for connection of connector TD2 sensor CN503 Pink and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Check code name Check code name Cause of operation F12 A2 d07 AI NET TS sensor error TS1 TS2 sensor Open Short Sub code 01 TS1 sensor 02 TS2 sensor Check code code Check code name Cause of operation F06 18 TE1 sensor error TE1 sensor Open Short d07 Al NET This error code means detection of Open Short of TS sensor Check disconnection of circuit for connection of connector TS1 sensor CN504 White TS2 sensor CN522 Black and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board This error code means detection of Open Short of TE1 sensor Check disconnection of circuit for connection of connector TE1 sensor CN505 Green and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Check code name Check code name Cause of operation 77 K E noe d07 Al NET This error code means detection of Open Short of TL sensor Check disconnection of circuit for connection of connec tor TL sensor CN521 White
290. r Sub heat exchanger is used as condenser 3 2 Mainly heating partly Indoor units are under heating cooling simultaneous operation with subjective heating operation cooling operation Outdoor heat exchanger Main heat exchanger is used as evaporator Defrost Using reversing operation of 4 way valve ice of the outdoor heat exchanger is dissolved with single cooling cycle 9 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 1 1 Components Lineup in Super Heat Recovery Multi Using High efficiency Refrigerant R410A 1 Outdoor units Inverter unit Corresponding HP 10HP Appearance Model name MMY MAP0801FT8 MAP1001FT8 MAP1201FT8 Cooling capacity kW Heating capacity kW Number of connectable indoor units RBM Y1121FE Capacity rank for indoor unit Type 007 to 030 RBM Y1801FE Capacity rank for indoor unit Type 036 to 056 Accessory part Sold separately Connection cable kit RBC CBK15FE up to 15m 3 Branching joints and headers J Wodername Usage O Appearance 3 Indoor unit capacity code 1 RBM BYS3FE Total below 6 4 Indoor unit capacity code 1 Total below 14 2 Indoor unit capacity code 1 Total below 6 4 i Indoor unit capacity code 1 RBM BY103E Total below 14 2 3 Indoor unit capacity code 1 i IEE EEEE T RBM HY1043FE Total below 14 2 For 3 piping 9 RBM HY1043E Indoor unit capacity code 1 Fo
291. r T02 of Comp IPDU is correct or not Tel 01823 665660 www heronhill co uk Fax 01823 665807 cul Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation H16 d7 TK4 temperature detective circuit error 1 Detachment of TK4 sensor miscabling d07 Al NET Sub code 04 characteristics error of resistance value Check clogging and malfunction of SV3E valve circuit Oil equalization circuit error Check capillary clogging strainer clogging Refrigerant stagnation in compressor shell YES Is not TK4 sensor detached Correct installation of sensor NO Correct miscabling misinstallation Is there no miscabling or misinstallation YES aS AT on TK1 TK2 TK3 TK4 sensors TK3 CN516 TK4 CN52 NO CN523 Are characteristics of TK4 sensor NO YES YES Does OCR of MG SW operate Reset OCR manually 2 NO i No error Check the clogging of SV3E valve Check I F P C board 1 Refer to item H07 error 2 If OCR operates even after manual reset of OCR check whether the wiring to the current sensor T02 of Comp IPDU is correct or not Error Replace SV3E valve Check the clogging of SV3E valve Check code name Check code name Cause of operation L03 96 Duplicated indoor header units There were two or more indoor header d07 AI NET units in some remote controller group control 1 Check the connection changing
292. r 2 piping 5 Total below 14 2 piping Indoor unit capacity code 1 i RBM HY1083FE Total below 14 2 For 3 piping Indoor unit capacity code 1 sa RBM HY1083E Total below 14 2 For 2 piping 5 For 3 piping RBM BY103FE Y shape branching joint 3 RBM BY53E For 2 piping 5 8 branching header 4 1 Capacity code can be obtained from page 11 Capacity code is not actual capacity x2 If total capacity code value of indoor unit exceeds that of outdoor unit apply capacity code of outdoor unit 3 When using Y shape branching joint for 1st branching select according to capacity code of outdoor unit 4 Max 6 0 capacity code in total can be connected 5 This is used for branching to cooling only indoor unit 6 Model names for outdoor described in this guide are shortened because of the space constraint 10 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 4 Indoor units 5 Coolin Heatin Type Appearance Capacity rank Capacity code capacit KW EE a 4 way Air Discharge Cassette Type 2 way Air Discharge Cassette Type 1 way Air Discharge Cassette Type 2 8 3 2 MMU AP0091H 009 type MMU AP0121H 012 type MMU APO151H 015 type 1 MMU AP0181H 018 type MMU AP0241H 024 type MMU AP0271H 027 type 2 2 7 1 8 0 MMU AP0301H 030 type MMU AP0361H 036 type MMU AP0481H 048 type MMU AP0561H 056 typ
293. r and outdoor interface P C board 1 Test operation start stop operation lt Test operation from remote controller gt Wired remote controller Refer to the lower items in Test operation of wired remote controller Wireless remote controller Refer to the lower items in Test operation of wireless remote controller Wired remote controller button for 4 seconds or more TEST is displayed in the display section and the mode enters in test operation mode When pushing Tomos J CUNIT G mE OIC _ JI 2 Push _ button 3 Using __ button select an operation mode COOL or HEAT e Do not use operation mode other than COOL or HEAT e Temperature adjustment is unavailable during test operation e Error is detected as usual OKBBWS 4 When the test operation has finished push button to stop the operation The same display as that in procedure 1 appears in the display section A button to clear the test operation mode TEST display in the display section disappears and the status returns to the normal stop status 89 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Wireless remote controller Except 4 way Air Discharge Cassette type and Under Ceiling type 1 Remove a screw which fixes the serial plate of the receiv
294. r cold water After cleaning the filter with water dry the filter completely in the shade Tel 01823 665660 Floor Standing Cabinet Type Air outlet Air outlet flap Air inlet glille J Air filter Removes dirt or dust It is included in the inlet grille Before you clean the air conditioner be sure to turn off the circuit breaker or the main power switch e Clean the air filter every two weeks If the air filter is clogged with dust the performance of the air conditioner will deteriorate Floor Standing Concealed Type Air outlet BA Drain receiver With strainer Front panel J Air filter Lower side Removes dirt or dust It is included in the inlet grille Clean the drain pan or the drain receiver If the drain pan or the drain receiver is clogged with dust water may overflow causing getting wet on the floor lt How to remove front panel gt Push down hook of the air filter on the front panel Lower side Pull the air filter toward you to remove it This model is a concealed type Therefore conceal other parts than the air outlet and the air filter Be sure not to touch the electric parts box the surrounding lead wires the refrigerant pipes etc directly with the hands www heronhill co uk Cleaning of the main unit remote controller Wipe them with soft and dry cloth If heavy dirt adheres to the main unit wipe out it with
295. r control P C board or not and check connection failure of connectors e Check failure of transformer for the indoor microcomputer swo1 swo2 SW03 e Check indoor control P C board failure lt Rotary switches gt Tel 01823 665660 www heronhill co uk Fax 01823 665807 L8 Heronhill for all your Toshiba requirements 8 4 3 Address Setup Procedure REQUIREMENT Example Group control over Itiple refri tli In this air conditioner it is required to set up address to the indoor unit before starting opera e When a group control is performed over the SE pao Cabling tion Set up the address according to the following setup procedure multiple refrigerant lines be sure to turn on the systematic Outdoor Outdoor power supplies of all the indoor units connected CAUTION in a group in the time of address setup diagram 1 Set up address after wiring work If turning on the power for each refrigerant line Be sure to turn on the power in order of indoor unit outdoor unit If turning on the power in the reverse to set up address a header indoor unit is set for order a check code E19 Error of No of outdoor units is output When a check code is output turn on each line Therefore an alarm code L03 Indoor Indoor indoor jlndoor the power again Duplicated header indoor units is output in It r
296. r is used outside of the above conditions safety protection may work Do not use Super HRM for other than personal usage where the ambient temperature may go down below 5 C For example OA equipment Electric device Food Animals and plants Art object A CAUTION When outdoor temperature goes out of specified range KEJ or mark is indicated on the Wired remote controller display and required operation will stop amp When heating operation OY When cooling operation Notice This indication is not failure When outdoor temperature goes back to specified range or Oy disappear and start normal operation Operation stops because concurrent operation can not be kept in the condition of out of specification for Super HRM Outdoor temp DB lt 5 C Cooling gt 21 C Heating Tel 01823 665660 www heronhill co uk 3 16 Maintenance For maintenance be sure to turn off the main power switch A CAUTION Do not handle the buttons with wet A WARNING Please do not intend to do the daily maintenannce and or Air Filter cleaning by hands otherwise an electric shock may be caused yourself Otherwise you may contact with revolving fan or active electrity when you insert your hands into the unit during running of the air conditioners lt Daily maintenance gt Cleaning of air filter 7 it E is displayed on the remote controller maintain the
297. r outlet flap with horizontal set point Heating operation Use the air outlet flap with downward set point 3 Auto flap button Push to set up the air direction individually in each indoor unit Then the indoor unit No in a group control is displayed For the displayed indoor unit set up the air direction 7 Push CT during operation RS is displayed and the air direction is auto matically exchanged upward downward When a remote controller operates the multiple indoor units an indoor unit is selected and air direction canbe individually Secure If the unit No is not displayed all the indoor 2 Push CTZ again during swinging of the units are operated at the same time flap Every pushing UNIT e You can stop the flap at the desired position changed as follows the display is ex Unit No Unit No No gt display 1 1 1 2 Unit No __ Unit No 1 4 41 3 Fax 01823 665807 8E 1 way Air Discharge Cassette Compact Type lt Up Down air direction adjustment gt In cooling operation In cooling operation use the air outlet flap with horizontal set point so that cool air diffuses the whole room lt Left Right air direction adjustment gt When you change the blowout direction to left right direct the vertical grille inside of the air outlet flap to desired direction lt Setup of air direction and swing gt Refe
298. r to that of 2 way Air Discharge Cassette Type Under Ceiling Type lt Up Down air direction adjustment gt In cooling operation In cooling operation use the air outlet flap with horizontal set point so that cool air diffuses the whole room lt Left Right air direction adjustment gt When you change the blowout direction to left right direct the vertical flap inside of the air outlet flap to desired direction Concealed Duct Standard Type Heronhill for all your Toshiba requirements In heating operation In heating operation use the air outlet flap with downward set point so that the hot air is spread to the floor In heating operation In heating operation use the air outlet flap with downward set point so that the hot air is spread to the floor When using a air outlet port unit sold separately adjust the air direction as follows In cooling operation In cooling operation use the air outlet flap with horizontal set point so that cool air diffuses the whole room Tel 01823 665660 In heating operation In heating operation use the air outlet flap with downward set point so that the hot air is spread at the foot www heronhill co uk High Wall Type lt Up Down air direction adjustment gt In cooling operation In cooling operation use the air outlet flap with horizontal set point so that cool air diffuses the whole In heating operation ro
299. r units with priority Displayed in unit other than indoor unit with priority VF Group line in individual indoor unit Indoor Indoor group Address unset Indoor VF Indoor capacity unset Indoor Outdoor capacity unset VF FS unit error FS unit a iaiajai a ajaja jaja O 2 O Olo a iajiajai a jajaja jaja Duplicated central control addresses AI NET Indoor 01 IPDU1 error 02 IPDU2 error 03 IPDU3 error 04 Fan IPDU error 05 IPDU1 Fan IPDU error 06 IPDU2 Fan IPDU error 07 All IPDU error No of IPDU error Detected indoor address Auxiliary interlock in indoor unit Indoor Tel 01823 665660 109 www heronhill co uk IC error VF Fax 01823 665807 Heronhill for all your Toshiba requirements Check code Wireless remote controller e Sensor block display Main remote Outdoor 7 segment display AI NET central of receiving unit Check code name controller control display display Auxiliary code Judging device ie Timer Ready Flash Indoor fan motor error Indoor Discharge temp TD1 error VF 01 Comp 1 side 02 Comp 2 side a High pressure SW detection error IPDU 01 Phase missing detection 02 Phase order error a Phase missing detection Phase order error VF IPDU 01 Comp 1 side Heat sink overheat error VE 02 Comp 2 side Detected indoor address Indoor overf
300. ransformer Pulse motor TT 13 EDM MD12TF 3 Pulse motor valve TA sensor EDM B40YGTF EDM B60YGTF 1 Lead wire length 268mm TC1 sensor TC2 sensor 4 size lead wire length 1200mm Vinyl tube Blue 6 size lead wire length 1200mm Vinyl tube Black TCJ sensor Tel 01823 665660 6 size lead wire length 1200mm Vinyl tube Red 26 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 1 way Air Discharge Cassette Compact type Type Model MMU AP 0071YH 0091YH 0121YH Fan motor AF 200 22 4N 1 Running capacitor for fan motor AC 400V 1pF Drain pump motor PJD 05230TF 1 Float switch FS 0208 602 Control P C board transformer TT 13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF TA sensor Lead wire length 818mm TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TCJ sensor 6 size lead wire length 1200mm Vinyl tube Red Model MMU AP 0151SH 0181SH 0241SH Fan motor AF 200 34 4D Running capacitor for fan motor AC 450V 1 5uF AC 500V 2 5uF Drain pump motor PJD 05230TF 2 Float switch FS 0208 603 Control P C board transformer TT 13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF TA sensor Lead wire length 155mm Vinyl tube TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 6 size lead wire length 1200mm Vinyl tube Black TCJ sensor 6 size lead wire length 1200mm
301. rant line Line Line address address Example In case of central control in a single refrigerant line In case of central control over refrigerant lines Address setup procedure To procedure 1 To procedure 2 Cable systematic diagram r aN ID VA NZ Outdoor Central Outdoor Central Outdoor Outdoor Central remote controller remote controller remote controller Indoor Indoor Indoor Indoor Indoor Indoor Indoor Indoor Remote Remote Remote Remote Remote Remote controller controller controller controller controller controller X X XIXIX X X XIX X X xK x x A O x O x o xlolx olxlolxlolx x xlO O x x lOO x x lOO x x rm O O x x x xlO O O O x x x x OJOJOJ O OJO x x x x x x x x es OJOJOJO O OJOJO O O O O x x gt O x O x O x O x O x O x O x O O x x O O x x O O x x O O r xixixi x OIOIOIOIxix x xl OOl o lo ololxix x xix x x x olol s Address setup procedure 1 Outdoor unit interface P C board Is not used for setup of system address Do not change setup 1 Turn on power of indoor outdoor units o 3 swo4 SWO 2 Check that the relay connectors between U1U2 and 24 U3U4 terminals are come out in all the outdoor units to 3 In order of indoor Outdoor 2 After ap
302. ration may not be performed in order to protect the equipment In this case Q goes on Characteristics of heating operation The wind is not out just after starting an operation The hot wind starts to blow 3 to 5 minutes after Time differs according to indoor outdoor temperature the indoor heat exchanger has warmed up During operation the outdoor unit may stop if the outside temperature rises Characteristics of cooling heating si multaneous operation If the outdoor temperature drops during operation the fan of the outdoor unit may stop Fax 01823 665807 Ze Heronhill for all your Toshiba requirements 3 14 Adjustment of Air Direction To increase the cooling heating efficiency be sure to make proper use of the discharge flap for cooling or heating operation As the characteristics of air cool air collects at lower levels and hot air collects at higher levels A CAUTION Set the flap so that air blows out horizontally If cooling operation is performed with the flap blowing air downwards the air outlet or surface of the flap will be wet with dew and dewdrop may fall down 4 way Air Discharge Cassette Type In cooling operation Use the discharge flap with horizontal set point In heating operation e Use the discharge flap with downward set point When the air conditioner stops the flap adjustment plate of up down air direction directs downward auto matically When the h
303. re Replace the interface P C board After address setup communication from all the indoor units interrupted under condition that a normal operation can be performed Check and correct disconnection of indoor outdoor communication line Communication line between outdoor unit and the leading indoor unit Check influence of communication noise Exceeded No of connected indoor units or exceeded capacity Adjust No of connected indoor units or capacity Duplication of outdoor addresses Only when outdoor address was manually set up Do not use a manual setup for outdoor address Duplication of outdoor line addresses e Line address setup error occurred after connec tion between U1 Uz and Us Us connectors Modify line address setup of the outdoor unit between lines Set up SW 13 and 14 on the interface P C board Duplicated of indoor units with priority The Heat Recovery Multi is not set up on priority There are two or more indoor units set up with priority Address setup error e Only indoor addresses of all the connected indoor units are undefined L05 Displayed on the indoor unit set up with priority L06 Displayed on the indoor unit except one set up with priority Tel 01823 665660 86 www heronhill co uk Set up address again Fax 01823 665807 Heronhill for all your Toshiba requirements 8 5 2 Operation from remote coniroller is not accepted
304. re the outdoor unit stops and the air flow becomes LOW and the air volume decreases e In the defrost mode the fan stops so that cool air is not discharged and PRE DEF e Dry function is not provided to Concealed Duct high Static Pressure type 3 Select air volume with FAN button DY auTO HIGH MED LOW One push of the button and the display changes in the order shown on the right t e When air volume is AUTO Os air volume differs according to the temperature difference between set temperature and room temperature In DRY mode AUTO is displayed and the air volume is LOW In heating operation if the room temperature is not heated sufficiently with VOLUME LOW operation select MED 3 or HIGH operation The temperature which the temperature sensor detects is one near the air inlet of the indoor unit There fore it slightly differs from the room temperature according to the installation status The setup value is a criterion of the room temperature Automatic air speed cannot be selected in FAN mode e Air volume of function is not provided to Concealed Duct High Static Pressure Type but air speed HIGH 83 only is displayed is displayed 4 Determine the set up temperature by pushing the TEMP _ _ or TEMP __ __ button Stop Push button The operation lamp goes off and the operation stops Fax 01823 665807 GE
305. re is 380 415V voltage of Check there is no looseness etc of terminal Check drain pipe etc and check cabling 1 3 pin of CN68 on indoor PC board Tel 01823 665660 www heronhill co uk Fax 01823 665807 Lvl Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation Check code name Check code name Cause of operation P12 11 Indoor fan motor error 1 Cabling error of fan motor connector P13 47 Outdoor liquid back detection error 1 PMV1 PMV2 error d07 Al NET Pd sensor Ps sensor error Clogging of SV2 circuit Clogging of SV3B circuit balance pipe Leakage of main discharge pipe Outdoor I F P C board error d07 Al NET 2 Fan motor error 3 Indoor P C board error Detectable in model with DC fan motor 4 way Air Discharge Cassette or Concealed Duct Standard pei Under Ceiling or High Wall type Turn off power supply Is there connection error or disconnection on connector CN333 CN334 Correct connector connection YES of indoor P C board MCC 1402 SS Are operations of outdoor NO 1 PMV1 PMV2 normal PMV error Remove connectors CN333 and CN334 VES on indoor P C board MCC 1402 Are connections of outdoor NO Correct connector connection PMV1 PMV2 connectors correct CN300 CN301 YES icti NO Are characteristics of Pd sensor Ps sensor E F NG output vo
306. re is no slogging or pipe breakage charge refrigerant again www heronhill co uk YES In cooling season go to A In heating season go to B Are following items concerned to indoor fan motor normal 1 Connector connection 2 Condenser 3 Motor 4 Fan Repair faulty parts Check indoor P C board Failure gt Replace Is connector connection or coil normal Repair faulty parts YES YES Is there clogging on whole valve Replace PMV body NO Check outdoor I F P C board Failure Replace Is indoor fan system normal Fan crack Fan coming off Repair faulty parts Refrigerant shortage clogging pipe deformed Fax 01823 665807 Check code name H07 d7 d07 AI NET Check code name Oil level down detection protection Heronhill for all your Toshiba requirements Cause of operation Valves of balance pipes closed Miscabling or misinstallation of TK1 to TK4 sensors In some cases it may be difficult to check the leakage of clogging in the following condition of refrigerant stagnation in low ambient temperature condition In this case take a longer operating time prior to check 6El TK1 to TK4 sensor error Criterion Discharge temperature of TD1 and TD2 are 60 C or higher Gas leak or oil leak of all outdoor units Refrigerant stagnation of compressor case SV3A 3B 3D 3C 3E valve erro
307. roller Heronhill for all your Toshiba requirements Detected position Check code name TH sensor error Status All stop Error detection condition Check item position e Resistance value of sensor is IGBT built in temp sensor error infinite or Zero Open Short Exchange IPDU PC board Outdoor temp sensor miscabling TE1 TL All stop During operation of e Check installation of TE1 sensor and TL sensor compressor in HEAT mode the Check characteristics of TE1 and TL sensor resistance value TE1 detection temp was higher than that of TL by the speciied Check outdoor PC board I F error value continued for 3 minutes or more Outdoor pressure sensor miscabling Pd Ps All stop High pressure Pd sensor and Check connection of high pressure Pd sensor connector low pressure Ps sensor were e Check connection of low pressure Ps sensor connector exchanged r output voltages Check pressure sensors Pd and Ps error i e Check outdoor PC board I F error e Check compression error of compressor Ps sensor error All stop Output voltage of Ps sensor e Misconnection of Ps sensor and Pd sensor connectors was zero Check connection of Ps sensor connector e Check Ps sensor error e Check compression error of compressor e Check 4 way valve error e Check outdoor PC board I F error e Check SV4 circuit error Pd sensor error All stop Output voltage of Pd sensor
308. rplus oil Temp sensor TD1 Connector CN502 White TD2 Connector CN503 Pink 1 Protection of compressor discharge temp 2 Releasing of discharge temp Connector CN504 White 1 Controls super heat of PMV1 and 2 during all heating operation and simultaneous operation Connector CN522 Black 1 Controls indoor oil recovery during all cooling operation and mainly cooling partly heating operation 2 Detects overheat of cycle Connector CN505 Green 1 Controls defrost during all heating operation and simultaneous operation 2 Controls outdoor fan during all heating operation and simultaneous operation TK1 TK2 TK1 Connector CN514 Black TK2 Connector CN515 Green 1 C 1 TK3 TK4 TK3 Connector CN516 Red TK4 Connector CN523 Yellow Judges oil level of compressor TL onnector CN521 White Detects under cool during all cooling operation and simultaneous operation TO Connector CN507 Yellow 1 Detects outside temperature For details of operation mode refer to page 9 44 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Functional part name Functional outline Pressure High pressure sensor Connector CN501 Red 1 Detects high pressure and uses it to control capacity of compressor 2 Detects high pressure during all cooling operation and uses it to control fan when cooling with low outside air 3 Detects under coo
309. rs Check miswiring of SVS SVD valves 02 TD condition Tel 01823 665660 Gas leak detection TD condition All stop www heronhill co uk Discharge temperature TD1 or TD2 was continuously 108 C or higher for 10 minutes e Check refrigerant shortage Check outdoor PMV clogging PMV1 2 Check characteristics of TD1 TD2 sensor resistance value Check indoor air filter clogging Check pipe clogging e Check SV4 circuit Valve leakage misinstallation e Check mispiping of discharge gas suction gas main pipe e Check Flow selector unit Check leakage of SVD valve and SVS valve Check leakage of SVDD valve and SVSS Check mispiping of FS unit connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connectors Check miswiring of SVS SVD valves Fax 01823 665807 GZL Check code Outdoor 7 segment display controller Check code Sub code AI NET central control remote controller Detected position Heronhill for all your Toshiba requirements Check code name Error detection Status condition Check item position bb I F Discharge temp TD2 error All stop Discharge temperature TD2 exceeded 115 C e Check full opening of outdoor service valves gas side liquid side e Check clogging of outdoor PMV PMV1 2 e Check characteristics of TD2 sensor resistance value e Check 4 way valve error e Check lea
310. rt circuit Y Is indoor NO PMV normal YES Is there a cause to interfere operation of indoor heat exchanger 1 Air filter clogging Is connector connection coil normal r clogging Eliminate the interfered causes NO Is 4 way valve normal Replace 4 way valve ay NO Repair faulty position YES Is SV11 circuit normal YES NO Are not indoor units of different refrigerant circuit connected Check with miscabling check function of outdoor unit Is there clogging of valve YES i m m n n Iil normally operate NO Repair faulty parts Are connector connection heat exchanger fan and fan motor normal Repair faulty part NO Are characteristics of TC2 and TCJ sensor resistance value normal Replace TC2 or TCJ sensor NO Check indoor P C board Failure gt Replace Replace PMV body Check and correct the cabling Check code name P05 AF d07 Al NET Check code name Open phase negative phase 1 Power supply open phase 2 Power supply negative phase Refrigerant overcharge clogging pipe breakage abnormal overload condition Cause of operation Check code name Check code name Cause of operation P07 1C d07 AI NET Heat sink overheat error Power voltage error Outdoor fan system error Heat sink insta
311. rt time when exchanging mode from cooling to heating after Mainly cooling part heating operation Heating unit flow selector unit defrost operation refrigerant shock sound may be heard Mainly heating part cooling operation Heating unit All cooling operation SV11 ON All neler circulating sound may be heard from SVDD valve Mainly cooling part heating operation Cooling unit O SVDD circuit Suction gas pipe at outdoor unit side of the flow selector unit may Mainly heating part cooling operation Cooling unit be hot All heating operation All z A SDD Mainly cooling part heating operation Heating unit O SVDD circuit Refrigerant circulating sound may be heard from SVDD valve valve 5 circult Mainly heating part cooling operation Heating unit ics Refrigerant circulating sound may be heard from SVDD valve circuit Suction gas pipe at outdoor unit side of the flow selector unit may be hot Miswiring n All cooling operation SV11 ON All of coil Mainly cooling part heating operation Cooling unit O SVDD circuit Mainly heating part cooling operation Cooling unit All heating operation All Mainly cooling part heating operation Heating unit Mainly heating part cooling operation Heating unit Indoor unit flow selector unit In start time when exchanging mode from cooling to heating after defrost operation refrigerant shock sound may be heard Tel 01823 665660 www heronhill co uk Fax 01823 66
312. ry may be caused by parts etc lt Disassembling gt 1 Stop operation of the air conditioner and then turn off the switch of the breaker 2 Take off screws of the discharge cabinet M5 x 16 4 pcs 189 www heronhill co uk Discharge cabinet Screws 4 corners Fax 01823 665807 Part to be exchanged Propeller fan motor Heronhill for all your Toshiba requirements Work procedure 3 Take off flange nut fixing the fan motor and propeller fan To tighten the nut turn it clockwise 4 Take off the square washer 5 Take off the propeller fan NOTE Pull it straight upward If it is pulled forcibly it cannot be taken off 6 Remove the connectors 3 positions from IPDU PC board of the inverter fan and then pull out the fan motor lead upward 7 Take off the fixing screws 4 pcs of the fan motor Remarks 3 Flange nut 5 p7 aie washer Screws Route of fan motor lead and pull out it upward Er Detailed photo of connector Signal line 4 3 Power line Cautions when exchange reassembling the fan motor 1 Matching D cut surface of the fan motor shaft with A mark of the fan insert the propeller fan If tightening D cut surface as it is out of place the propeller fan melts due to friction heat resulted in falling off 2 Be sure to attach the square washer Abnormal sound or abnormal vibration may generate 3 Tighten
313. s of 2 way valve coil Heronhill for all your Toshiba requirements Work procedure rj Ie SE Temperature sensor posi tions and identification lt Front side of air conditioner gt Accumulator Tel 01823 665660 Compressor 1 195 www heronhill co uk Compressor 2 Fax 01823 665807 Heronhill for all your Toshiba requirements Part to be Work procedure exchanged Temperature lt Rear side of air conditioner gt sensor positions and identification Rear side TK1 sensor Black Accumulator side Front side a Oil _ l 7 f l KAN 7 E TK2 sensor Blue E i iis Rear side Attachment In this air conditioner segmentation system eyeglass detachment of rubber and SUS fix band are adopted for fixing the vibration pipe fixing rubber system as one measures to improve the reliability lt Used positions of SUS fixing band Total 5 positions gt 6 35 lt OA 5 88 between SV3E valve and suction 28 0 lt gt 025 4 between ae valve and discharge B 7 gt oTi 05 between SV41 valve and suction pipe 196 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Part to be exchanged Attachment detachment of pipe fixing rubber Tel 01823 665660 Heronhill for all your Toshiba requirements Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc
314. sed on the following conditions of judgment 1 Oil of 1900cc is charged in a compressor for service 2 Oil amount is 3800cc in an outdoor unit at shipment 3 When a compressor is removed it usually includes oil with 800 to 1400cc Oil separator usually holds oil with 0 to 1000cc Install two compressors Check leakage of the troubled outdoor unit Vacuuming for the troubled outdoor unit Charge the refrigerant END 182 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 14 2 Replacing Compressor Concept of exchange When exchanging the compressor extract oil from the defective compressor and decide to exchange the defective compressor or two compressors based upon the limit sample If oil color ASTM is 4 0 or more both compressors should be replaced A CAUTION A compressor weighs 20kg or more The two personnel should work for a compressor M5 screws 2 positions lt Removal of defective compressor gt Turn off power of the troubled outdoor unit e Take off the front panel M5 x 7 Claw for Take off cover of the electric parts box M4 x 2 Take off the screws M5 x 2 fixing the electric parts box to the outdoor unit Take off claw for temporary hooking from the lower part of the electric parts box NOTE Pay attention that the electric parts box may fall out
315. sensor TCJ sensor 3 Float input None for Concealed Duct z Indoor Outdoor communication Outdoor unit controller kit Sensor P C board Remote controller communication circuit Max 8 units are connectable 1 1 However in a case that the network adaptor is installed when 2 wireless remote controller kits are connected Power 1 Power 1 supply supply Outdoor unit lt adA_ eM y H ad L uran apun adAL psepuejs nq pajeavuos adA ayjassey abieyosig sly Aem p gt Outdoor unit maximum 7 units are connectable 2 The network adaptor is installed to only 3 Nome for high wall spearate sold parts for under ceiling one unit Fax 01823 665807 Hy 19 04 U09 9 0W94 SSOj94IM JO UON DBUUOD Z Z9L Heronhill for all yo ur Toshiba requirements Indoor unit 1 y a Network adaptor Option Indoor control P C board MCC 1403 Remote controller Remote communication omnmuanleston circul DC20V circuit Central control X AI NET CPU pene remote controller ___ communication Dosy Option Y circuit Driver Outside output Indoor fan motor Transformer L N U1 U1 Power supply 1 220 240V 50Hz Tel 01823 665660 Wireless remote controller kit Remote controller communication circuit 4 Float input lone for Concealed Duct
316. sor error Heat sink overheat D TH sensor error Is power voltage of outdoor unit normal Correct power line E Vdc error YES Are wire connector NO i connection on fan IPDU and Correct cable connector connection Is wire connector connection Ra Correct connection power P C board A ssy normal on IPDU P C board normal of wire connector YES YES YES NO Is not outdoor fan motor locked Is compressor normal Replace compressor NO YES Is winding resistance of the motor correct Is smoothing condenser normal NO Check capacity coming out 13 to 33Q Between R and S R and T S and T Replace motor 1500pF 350V external appearance YES YES Replace IPDU P C board Is there no loosening on fixation YES between fan IPDU and heat sink Retightening of screws etc YES YES Is sub code of outdoor I F P C board 0d gt Replace fan IPDU NO Is there no problem such as stuffing or blast blowing to discharge port of outdoor fan Correct cause of overload NO Check fan IPDU Tel 01823 665660 www heronhill co uk Fax 01823 665807 cSt Check code name Check code name Cause of operation P29 16 d07 Al NET Compressor position detective circuit error Heronhill for all your Toshiba requirements Check code name Check code name Cause of operation 3 IPDU P C board error 1 Cable connector connection error 97 Al NET communication line error Al NET communication li
317. sts the room temperature Set the desired set temperature by pushing OPTION Remote controller sensor Usually the TEMP sensor of the indoor unit senses the temperature The temperature on the surround ing of the remote controller can also be sensed For details contact the dealer from which you have purchased the air conditioner www heronhill co uk 3 8 Correct Usage When you use the air conditioner for the first time or when you change the SET DATA value follow the procedure below From the next time the operation displayed on the remote controller will start by pushing the button only Preparation Turn on the main power switch and or the leakage breaker When the power supply is turned on a partition line is displayed on the display part of the remote controller After the power supply is turned on the remote controller does not accept an operation for approx 1 minute but it is not a failure REQUIREMENT e While using the air conditioner operate it only with button without turning off the main power switch and the leak breaker 7 Push button The operation lamp goes on and the operation starts s S Sf Dehumidity 2 Select an operation mode with the MODE button One push of the button and the display changes in the order shown on the right In HEAT awe mode if the room temperature reaches to the set temperatu
318. t 0064 No 64 unit 0099 Unfixed address 0099 Unfixed Specific indoor unit 0000 No priority 0001 Priority 0000 No priority priority Heating temp shift 0000 No shift 0001 1 C 0002 2 C 0002 2 C 0010 10 C Floor type 0000 0 C Up to 6 recommended Existence of AUTO 0000 Provided 0001 Not provided 0001 Not provided mode Automatic selection from connected outdoor unit Cooling only 0000 Heat pump 0001 Cooling only 0000 Heat pump No display of AUTO HEAT Type 0000 1 way air discharge cassette According to model type 0001 4 way air discharge cassette to 0037 Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type Line address 0001 No 1 unit to 0030 No 30 unit 0099 Unfixed Indoor unit address 0001 No 1 unit to 0064 No 64 unit 0099 Unfixed Group address 0000 Individual 0001 Header unit of group 0099 Unfixed 0002 Follower unit of group Flap type 0000 Not provided 0001 Swing only According to type Adjustment of air 0004 4 way Air Discharge Cassette type and Under Ceiling type direction Temp difference of 0000 0 deg to 0010 10 deg 0003 3 deg AUTO mode For setup temperature reversal of COOL HEAT by Data value 2 Ts 1 5 selection COOL gt HEAT HEAT gt COOL Automatic restart of 0000 None 0001 Restart None power failure Operation condition 0000 Usual 0001 Condition ignored Usual of humidif
319. t a test operation specify the unit which does not operate Unit uncon nected to group Remove Fasten receptacle connected to remote controller terminals A B and check the voltage If voltage is not applied replace PC board 15 to18V in normal time Miswiring example Outdoor unit U5 U6 Outdoor unit U3 U4 Indoor unit Indoor unit Indoor unit Indoor unit Miswiring example Outdoor unit U1 U2 Outdoor unit U1 U2 Outdoor unit U1 U2 Outdoor unit U1 U2 Indoor unit Indoor unit Indoor unit Status Miswiring example Number of connected indoor units is short Tel 01823 665660 Outdoor unit U1 U2 Indoor unit A B Indoor unit 88 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 6 Test Operation Check 8 6 1 Fan Check START gt Push START STOP button When an error code has been displayed on the remote controller remove the error cause referring to Check code and check position displayed on Select the operation mode FAN remote controller and outdoor unit Is air discharged from the vai discharge port of the indoor unit Check indoor fan fan motor and fan circuit YES NO Is there no abnormal sound Check positions around the fan YES Normal Check all indoor unit in turn 8 6 2 Cooling Heating Test Operation Check The cooling heating test operation check can be performed on both remote controlle
320. t cabling of cable connector YES YES Is there no error on Is F400 fuse on y power wire to outdoor unit I F P C board opened NO Is power of indoor turned on Turn on power of indoor unit YES Check conduction with tester YES ae T NO Did a power failure occur gt Clear the check code Turn on power to start operation YES YES A YES Is there no noise etc Check noise etc and eliminate it if any NO NO Eliminate noise Check indoor P C board NOTE Detect Replace 1 When signal is not sent for a certain period from the indoor unit VF P C board failure YaF which has used to send signals normally E06 is displayed However an emergent operation is available by inserting connector to Tel 01823 665660 www heronhill co uk be connected to CN01 to CN33 Outdoor I F P C board failure Replace Fax 01823 665807 LEL Heronhill for all your Toshiba requirements Check code Check code name Cause of operation E12 42 Automatic address start error 1 When indoor automatic address started d07 AI NET other refrigerant circuit system was setting Check code Check code name Cause of operation E08 96 Duplicated indoor addresses Indoor addresses are duplicated d07 AI NET Sub code Duplicated indoor address set Sub code 02 automatic address Sub code 01 2 When outdoor automatic address started the indoor automatic address was being Sub
321. t out of the room Close windows and doors often Evenness of room temperature Using a discharge louver adjust air direction Exposing yourself for a long time in blowing air exerts a bad influence upon your health Don t forget periodical check Do not cool heat the room excessively A WARNING Do not expose your body in cool air fora long time otherwise it causes worse condition or health loss e It is unhealthy especially take care of children or aged persons S Recommended set temperature Don t cool excessively Tel 01823 665660 3 18 When the Following Symptoms are Found Check the points described below before asking repair servicing Symptom Cause Check again It is not a failure Outdoor unit e White misty cold air or water is out Sometimes noise Pushu is heard Fan of the outdoor unit stops automatically and performs defrost operation Solenoid valve works when defrost operation starts or finishes Indoor unit Swish sound is heard sometimes Slight Pishi sound is heard Discharge air smells indication is lit Sound or cool air is output from the stand by indoor unit When power of the air conditioner is turned on Ticktock sound is heard Operates or stops automatically When the operation has started during the operation or immediately after the
322. tatus as they are Setup Push SWO05 for 2 seconds or more set SW01 16 and set SW02 and SW03 to address No 1 to 64 to be stopped Release Return SW01 SW02 SW03 to 1 Section A Section B Section A Displays the corresponding indoor address Section B Displays 00 for 5 seconds from operation OFF Individual test operation Operates the specified indoor unit Note The other indoor units keep the status as they are NOTE 1 This start stop function only sends the signals from the outdoor unit to the indoor unit such as start stop operation mode etc It does not resend the signals even if the indoor unit does not follow the sent signals The above controls are not used during abnormal stop NOTE 2 Tel 01823 665660 _ Interface P C board me Baits Hii ki Ti www heronhill co uk Setup Push SW04 for 10 seconds or more set SW01 16 and set SW02 and SW03 to address No 1 to 64 to be operated Release Return SW01 SW02 SW03 to 1 The 94 7 segment display A SW01 SW02 SW03 lt Rotary switch gt Section A Section B Section A Displays the corresponding indoor address Section B Displays FF for 5 seconds from test operation ON 7 segment display B Fax 01823 665807 Heronhill for all your Toshiba requirements 1 All cooling test operation function This function is
323. tep remove causes of a trouble or an error referring to the section 9 Troubleshooting Check the basic items mainly the installation work uifu2 Be sure to enter the check results in the check list 1 and 2 usual oth fri tli 1 er refrigerant line L aie ce H H N It is the check after the power has been turned on Outdoor unit Check before test operation Other refrigerant line Check the refrigerant circuit system is normally turned on 9 4 Check the main power supply is turned on u3 u4 us u4 J Ss Outdoor unit is eelup ie addrassos NOTE The operation does not start by only power ON uxue sue rfo AA Earth Test tion Carry out a test operation opie est operation Check air blowing and cooling heating operation in the indoor unit p eee To indoor unit 380 415V 0 Leak interception END 8 2 Check Items before Test Operation Prior to the test operation check the following items so that there is no trouble in the installation work Start the address setup in the outdoor indoor units Indoor unit a T E ii 1 phase 220 240V Leak interception Main switch Remote Remote Remote controller controller controller lt Main check items for electric wiring gt The communication system differs from that of R22 or R407 refrigerant Modular Multi system air
324. ter Remo ves dust and trash Air filter is pro vided in the air inlet grille Concealed Duct High Static Pressure Type Air inlet Suction duct is connected Air outlet Discharge duct is connected Earth screw Earth screws are provided in the electric parts box Drain pan Fax 01823 665807 ee Under Ceiling Type Air inlet port The air in the room is sucked in from this port Button Button to open close the suction port ae ee eae Se O a Air filter Removes dust or trash Provided on the suction port Lil Air outlet Air outlet flap Change the direction of the air to be discharged according to cool heat mode Earth screw Earth screws are provided in the electric parts box High Wall Type Air inlet grille Air in the room is sucked from here Earth screw Earth screws are provided in the electric parts box UW IM fam f Air filter Removes dust and trash Air filter is provided in the air inlet grille Air outlet Air outlet flap Change the direction of the air to be discharged according to cool heat mode Wiress remote controller Sold separately Tel 01823 665660 Heronhill for all your Toshiba requirements Floor Standing Cabinet Type Air outlet Air outlet flap Exchanges the air direction according to cooling or heating time
325. th conventional individual air conditioners If a single unit of the multi conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m lt Concentration limit kg m The concentration limit of R410A which is used in multi air conditioners is 0 3kg m NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device Outdoor unit e g charged amount 10kg e g charged amount 15kg Mi C C E C F Room A Room B Room C Room D Room E Indoor unit For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10kg The possible amount of leaked refrigerant gas in rooms D E and F is 15kg Tel 01823 665660 www heronhill co uk NOTE 2 The standards for minimum room volume are as follows 1 No partition shaded portion CH A AT
326. the drain pump If the float switch continues operating for approx 5 minutes the operation stops and the check code is displayed 4 In heating operation if humidifier provided is judged compressor ON compressor ON fan ON and MAX TC2 TCJ gt 33 C the drain pump operates Check code P10 When CN70 is connected or the item code 40 setup data is 1 the setup becomes humidifier provided and the drain pump operates with the left conditions Elimination of remaining heat 1 When the air conditioner stops in the HEAT mode drive the indoor fan with LOW mode for approx 30 seconds Auto flap control 1 When the louver signal has been received from the remote controller the louver operates if the indoor fan is operating 2 In 4 way Air Discharge Cassette type the discharge louver automatically directs downward if the operation stops 3 In 4 way Air Discharge Cassette type the discharge louver directs upward if the heating operation is being prepared Filter sign display None in wireless type Provided in the separately laid type TCB AX21E Tel 01823 665660 1 The operation time of the indoor fan is integrated and stored in memory and the filter exchange signal is sent to the remote controller to display on the remote controller LCD after the specified time 2 When the filter reset signal is received form the remote controller time of t
327. the flange nut with 15Nem 153kg cm 4 Insert hooking claws of the discharge cabinet securely into the claw holes of the cabinet Refer to photo in the previous page 3 positions each at front and rear sides total 6 positions 190 Tel 01823 665660 www heronhill co uk Fan amp mark Positioning to D cut face of shaft Fax 01823 665807 Part to be exchanged Heat exchanger Heronhill for all your Toshiba requirements Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc Before work be sure to recover the refrigerant into a cylinder or the other linked unit so that there is no refrigerant in the outdoor unit Disassembling Example Heat exchanger Right 1 Remove the cabinet 2 Remove the motor base M5 x 10 4 pcs 3 Remove the motor base bracket M5 x 10 5 pcs 4 Take off screws of the heat exchanger fixing board M5 x 10 6 pcs 5 Take off screws of the support M5 x 10 3 pcs 2 6 Take off screws of waterproof board M4 x 10 3 pcs 7 Remove brazing section of the connected pipe 8 positions 8 Take off screws of the support at rear side and then pull out the heat exchanger M5 x 10 2 pcs 191 Tel 01823 665660 www heronhill co uk Remarks 2 Motor base 5 Support 7 Brazing section 4 positions at header side 7 Brazing section 4 positions at distributor side
328. the operating pressure normal YES Normal 92 Tel 01823 665660 www heronhill co uk e Check power voltage of the main power supply e Check cable size of the power supply e Check temperature load in indoor outdoor e Check pipe length and refrigerant amount e Check operating Hz of compressor e Check abnormal sound in outdoor unit Abnormal sound etc of compressor and others Fax 01823 665807 Heronhill for all your Toshiba requirements NOTE 1 Criterion for difference between suction and discharge temperature 1 Cooling After operation for minimum 30 minutes with COOL mode if there is the dry bulb temperature difference Temperature difference 8 C or more between suction and discharge air of the indoor unit In Max Hz operation 2 Heating After operation for minimum 30 minutes with HEAT mode if there is the dry bulb temperature difference Temperature difference 15 C or more between suction and discharge air of the indoor unit In Max Hz operation Consider that the temperature difference temperature difference may diminish in cases of system in which the connected indoor capacity exceeds 100 a long pipe length a large difference NOTE 2 Criterion for operating power current For a test operation All the indoor units operate it is normal when the power current is under the following values Outdoor unit Current value Unit A NOTE 3 Criterion for cycle sta
329. the parts list Before troubleshooting or repair work do not bring a third party a child etc except the repair engineers close to the equipment Do not bring a child It causes an injury with tools or disassembled parts close to the equipment Please inform the users so that the third party a child etc does not approach the equipment Connect the cut off lead cables with crimp contact etc put the closed end side upward and then apply a water cut method otherwise a leak or production of fire is caused at the users side Insulating measures When repairing the refrigerating cycle take the following measures 1 Be attentive to fire around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables Zz oO oO Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use R410A refrigerant the refrigerant name is indicated at a position on the outdoor unit where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 For an air conditioner which uses R410A never use other refrigerant
330. ther errors e In a case of error with auxiliary code the check code and the auxiliary code are displayed alternately Each sensor error Failure Compressor protective system error Protective device operation 2 Special mention 1 If this model is connected to Al NET by network adaptor the different check codes are displayed on the main remote controller New check code display on new remote controller and Al NET central control remote controller AI NET check code display on Al NET central control remote controller Example Indoor TA sensor error AI NETWORK BUS Al NET central control Wired remote controller remote controller 2 The check code of the remote controller is displayed only while the air conditioner is operating Remote controller start button ON When the air conditioner stopped and the error has been cleared the check code display on the remote controller also disappears However if the error continues after stop of the operation the check code is immediately displayed with restarting of the operation 111 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 3 Troubleshooting by Check Display on Remote Controller In case of wired remote controller RBC AMT21E 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor unit No are CODE No 275s D displaye
331. third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the AN CAUTION repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions Refer to the Parts disassembly diagram Outdoor unit If removing the label during parts replace stick it as the original Turn OFF the breaker before removing the front panel and cabinet otherwise an electric shock is caused by high voltage resulted in a death or injury During operation a high voltage with 400V or higher of circuit at secondary circuit of the high voltage transformer is applied If
332. ting up it once and then pull it downward SEA REQUIREMENT e Insert the air filter of 1 way Air Discharge Cassette Compact Type surely into the specified position Take off the fall preventing straps at the both sides Pull down the air filter to take out it For AP0631 AP0481 and AP0561 types hold the claw of the air filter and pull down it A CAUTION After cleaning be sure to attach the fall preventing straps of the center panel otherwise an injury is caused by falling Tel 01823 665660 www heronhill co uk Concealed Duct Standard Type e Slide Click of the suction panel toward arrow direction and then open the panel downward Turn the lever at the bottom side of the main unit to take out the air filter JE Stepped screw 2 _ _ r Clamp ra o filter downward Concealed Duct High Static Pressure Type aa the trames Cleaning method differs according to the mounted air filter type For cleaning method please contact the dealer ae The cleaning method differs depending on the type of attached air filter AA Please ask the constructor or the dealer which you purchased the air conditioner lt lt Before cooling season gt Cleaning of drain pan e For cleaning of the drain pan contact the dealer If the drain pan or drain port is clogged with dust water is disabled to drain In some
333. tion is considered x Uni b d Push the push switch SWO5 on the interface nits to be Operate P C board of the outdoor unit for 2 seconds or more Address 1 7 segment displa individually j na pan Address 16 i ees 17 indivi Address display of 00 is displayed for individually A corresponding indoor unit 5 seconds after operation ON After test operation return the display select pene 33 individually Fede 48 switches SW01 SW02 and SWO3 on the interface P C board of the outdoor unit to 1 1 1 respectively a 49 individually diea 64 NOTE The individual test operation returns to the normal operation after 60 minutes 97 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 2 Error Clearing Function 1 Clearing from the main remote controller Error clearing in outdoor unit Error of the outdoor unit is cleared by the unit of one refrigerant circuit system to which the indoor units oper ated by the remote controller Error of the indoor unit is not cleared For clearing errors the service monitor function of the remote controller is used lt Method gt 1 Change the mode to service monitor mode by pushing cL buttons simultaneously for 4 seconds or more 2 Using _4 __ __v__ buttons set FF to item code The display in Section A in the following figure is counted with int
334. tion of connectors Check miswiring of SVS SVD valves 01 Compressor 1 side 02 Compressor 2 side Actuation of high pressure SW All stop High pressure SW actuated Check Pd pressure sensor error Check full opening of outdoor service valves Gas side Liquid side Check outdoor fan error Check outdoor fan motor error Check clogging of outdoor PMV PMV1 2 Check clogging of indoor outdoor heat exchangers Check short circuiting of outdoor suction discharge air Check clogging of SV2 circuit e Check outdoor PC board I F error Check indoor fan system error Cause of air volume decrease Check opening of indoor PMV Check miscabling of communication line between indoor and outdoor e Check operation error of check valve of discharge pipe e Check SV4 valve circuit e Check SV5 valve circuit Check refrigerant overcharge e Check mispiping of discharge gas suction gas main pipe e Check circuit clogging at auxiliary heat exchanger side PMV3 SV12 check valve e Check FS unit Check clogging of SVD valve and operation error Check wiring inside of FS unit SVD SVS coil miswiring etc Check wiring between FS unit and indoor unit Miswiring Disconnection Wiring missing 01 Power supply open phase 02 Power supply negative phase Tel 01823 665660 Open phase negative phase All stop e Open phase was detected Check outdoor power line when the power turned on e Check outdoor PC
335. to if teal porate a y YES 5 Aaway valve a restart the operation Check mispiping of discharge gas NO suction gas main pipes YES r Is the flow selector unit normal Repair the flow selector unit YES Correct piping N NX Check 4 way valve 1 Check TS and TE temperature of the outdoor unit which compressors is operated I F SW01 1 SW02 6 SWO3 2 TS sensor temperature SW01 1 SW02 7 SW03 2 TE sensor temperature i NO Is not an indoor unit of different refrigerant line connected Correct cabling Check with miscabling check YES function of outdoor unit lt Judgment criteria gt TE sensor Normal if TE 20 C except summer season Outside temp 20 C or lower TS sensor Normal if TS 40 C except summer season Outside temp 20 C or lower Refrigerant shortage clogging pipe breakage Check there is no pipe breakage and then recharge refrigerant Tel 01823 665660 www heronhill co uk Fax 01823 665807 OSI Check code name Check code name P20 22 d07 Al NET High pressure protective operation if 2 3 4 5 6 Ts 8 9 0 1 a ane NO Heronhill for all your Toshiba requirements Cause of operation Pd sensor error Service valve closed Indoor outdoor fan error Indoor outdoor PMV clogging Indoor outdoor heat exchanger clogging SV2 circuit error SV4 circuit error SV5 circ
336. ts 5 SYSTEM REFRIGERANT CYCLE DRAWING 5 1 Refrigerant Piping Systematic Diagram in System lt Selection of operation mode gt For the selection of each operation mode see the table below Stop Once means the system does not operate for 3 minutes after operation before update has stopped After update All cooling operation Mainly cooling partly Mainly heating partly OFF heating cooperation cooling operation All heating operation ON ON ON All cooling operation Operation continues Operation continues Stop Once OFF gt ON OFF gt ON OFF gt ON Mainly cooling partly heating cooperation ON Operation continues Operation continues Operation continues ON gt OFF As ON As ON Mainly heating Stop Once Operation continues Operation continues partly cooling operation ON ON gt OFF As ON As ON All heating operation Stop Once Operation continues Operation continues ON ON gt OFF As ON As ON Note Phrases in parentheses in the table indicate status of 4 way valve lt ON OFF list of Flow Selector Unit FS Unit valve gt Outline of control valve output of FS unit Basic operation Indoor operation mode SVD SVDD SVS SVSS High pressure Pressure valve Low pressure Reducing valve circuit valve lt For delay gt circuit valve lt For delay gt Stop Remote controller OFF lt All system stop gt Cooling thermo OFF Cooling thermo ON
337. tup to the indoor unit is performed by handling the wired remote controller Even if a wired remote controller is not used attach a wired remote controller for setup When using the air conditioner with a wireless remote controller select Cooling Only of the wireless remote controller after the above setup For handling the wireless remote controller refer to the manual attached to the wireless remote controller Change the setup during stop of the operation Be sure to stop operation of the air conditioner Procedure Description When pushing buttons simultaneously for 4 seconds or more after a while the display part flashes as shown in the figure Check that the displayed item code is 10 STONA lt ir If the item code indicates one other than 10 push button to HEH Ht ae AALI as j 1 erase the display and then retry the operation from the first step aea After pushing button the operation of remote controller cannot be accepted after a while The display changes according to the indoor unit model In a group control the firstly displayed indoor unit No becomes the header unit Every pushing UNIT button the indoor unit No in the group control is displayed successively Select an indoor unit of which setup is to be changed In this time the position of the indoor unit of which setup is to be changed can be confirmed because the fan and flap of the se
338. tus 1 Refrigerating cycle under standard condition The refrigerating cycle under standard cooling and heating condition is as follows 10HP MMY MAP1001FT8 Cool standard Heat standard High Low Discharge Suction Pipe surface temp Indoor heat exchanger Outdoor heat exchanger Liquid temp Pressure Number of compressor rps Compressor rotations p Compressor Indoor Outdoor Air temp condition DB WB C x This compressor is driven with 4 pole motor The value of the compressor frequency Hz measured by a clamp meter is two times of the rotation count rps of the compressor This data is the cycle data under condition of the standard pipe length and two 4 way Air Discharge Cassette type air conditioners connected Data changes according to installed pipe length combination of indoor units or connected indoor capacity x For a compressor the left side is 1 and the right side is 2 viewed from the front side Even if two compressors operate the frequency difference may be a little set as measures against resonance x The temperature of indoor heat exchanger TC indicates TCJ sensor temperature in cooling time and TC2 sensor temperature in heating time respectively 2 Criterion for operating pressure General criterion is as follows High pressure 2 0 to 3 2MPa Indoor 18 to 32 C All cooling operaton When all the units operate in cooling mode Low pressure 0 5 to
339. tween lines according to automatic address setup method in Address setup Communication sending error between outdoor units All stop Transmission of other outdoor unit was unavailable for 30 seconds or more In this model only one outdoor unit is provided to one refrigerant line Be sure to check there is no communication connection with outdoor unit in the other refrigerant line No of normally received outdoor units Tel 01823 665660 Decreased number of connected outdoor units All stop The signal was not returned for constant from the outdoor unit which was receiving signal www heronhill co uk In this model only one outdoor unit is provided to one refrigerant line Be sure to check there is no communication connection with outdoor unit in the other refrigerant line Fax 01823 665807 ZL Heronhill for all your Toshiba requirements Check code Detected Check code position Error detection condition Check item position Outdoor 7 segment display AI NET central control controller Check code Sub code remote controller IPDU1 error IPDU All stop Communication of each IPDU Check connection of communication connector and IPDU2 error communication PC board in inverter box disconnection between IPDU and I F PC board IPDU1 2 errors error interrupted Check outdoor PC board I F IPDU Fan IPDU error Fan IPDU error e Check external noise
340. uit error Outdoor I F P C board error Operation error of check valve of main discharge pipe Refrigerant overcharge Are service valves fully opened YES Open service valves fully Check parts Are characteristics of NO high pressure sensor normal YES Check mispiping of discharge gas Abnormal Failure gt Replace suction gas main pipes Normal Correct piping Abnormal Check operation of PMV3 SV12 Replace defective parts Abnormal Is the flow selector unit normal Normal Reset power supply and start a test All cooling operation To operation corresponded to the season All heating operation gt To Repair the flow selector unit dl 1 Pressure by pressure gauge Check joint 2 Pressure display on 7 segment display 3 Output voltage of I F P C board If 1 and 2 3 are different an error of pressure sensor is considered If 2 and 3 are different check I F P C board All cooling operation Yy Does cooling outdoor fan normally operate NO YES y YES Correct faulty parts Is there no fan crack or coming off Correct faulty parts Connector connection fan IPDU fan motor wiring NO Is outdoor PMV1 2 normal NO YES Connector c Is there a cause to interfere operation of heat exchanger of outdoor unit NES Correct faulty position onnection wiring coil mounting valve clogging et
341. unpracticed outdoor wiring work Manual setup from remote controller Arrange one indoor unit and one remote controller set to 1 by 1 Turn on the power Wiring example in 2 lines 1 2 Line address 1 Indoor address 1 2 Group address 1 2 2 2 a ee es Follower Header In the above example under condition of no inter unit wire of the remote controller set the address after individual connect ing of the wired remote controller Group address Individual 0000 Header unit 0001 Follower unit 0002 In case of group control Operation procedure gt 2 gt 3 gt 4 gt 5 gt 6 gt 7 8 9 10 11 Ena Data www heronhill co uk 7 Push simultaneously ET cL A buttons for 4 seconds or more LCD changes to flashing Line address 2 Using the setup temp Ca jiCy_ buttons set lt to the item code 3 Using the timer time G E2 buttons set up the line address Match it with the line address on the interface P C board of the outdoor unit in the identical refrigerant line 4 Push button OK when display goes on Indoor address 5 using the setup temp C2 C 7D buttons set 7 to the item code 6 Using the timer time G buttons set up the indoor address 7 Push SET button OK when display goes on Group address 8 using the setup temp Ca CY buttons set to the item code 9 Using the timer time G
342. up Low pressure down Discharge temp up Check valve of main discharge pipe collective section Corresponding unit High pressure protective operation High pressure SW system error Abnormal high pressure up Check valve of discharge pipe Corresponding unit High pressure SW system error Abnormal high pressure up Check valve of oil equalization circuit Capillary Strainer Corresponding unit Oil level detective circuit error Oil level down error Oil equalization circuit error or oil shortage judgment SV3A valve Other connected unit Oil level down error Excessive oil amount SV3B valve Corresponding unit Oil level down error Shortage of oil amount SV3C valve Other connected unit Oil level down error Excessive oil amount SV3D valve SV3D valve circuit capillary Strainer Corresponding unit Oil level down error Shortage of oil amount SV3E valve Corresponding unit detective circuit error down error Oil leve Oil leve Oil equalization circuit error Judgment of shortage Shortage of oil amount Oil return capillary Corresponding unit Oil level down error Shortage of oil amount SV3C bypass capillary lt Trouble with leakage gt Part name Outdoor PMV Position with trouble See next page Corresponding unit Unit issuing check code Corresponding unit il level detective circuit error Check code to
343. ured locally Against Max capacity SMC Input signal for night operation External master ON OFF control board TCB PCMO 2E Outdoor unit destination to be connected becomes the header outdoor unit U1 7 2 2 6 Operation Mode Selection Control Header outdoor unit interface P C board Operation This control can be operated with the operation mode which is permitted by SMC or SMH L cN510 4P WHI The indoor unit operating by operation mode without permission is as follows Connection cable 1 Display on remote controller External master J Mode select controlled goes on control board y 2 Indoor fan In FAN mode Fan normally operates In COOL mode Fan normally operates In HEAT mode Fan operates with ultra low speed Be sure to prepare a contact for each contact terminal Outside signal No voltage serial contact SMC COOL mode designated input switch SMH HEAT mode designated input switch External master ON OFF control board TCB PCMO 2E Outdoor unit destination to be connected becomes the header outdoor unit U1 Procured locally 77 Tel 01823 665660 www heronhill co uk Fax 01823 665807 8Z Heronhill for all your Toshiba requirements 8 TEST OPER ATION 2 In case that a central control system is connected Before address setup 8 1 Procedure and Summary of Test Operation A test operation is executed in the following procedure When a trouble or an error occurs in each s
344. use of operation c H03 17 d07 AI NET Current detective circuit system error 1 Cabling or connector connection error on IPDU P C board 2 IPDU P C board error Sub code 01 Compressor 1 side 02 Compressor 2 side YES Details of compressor Wiring or connector connection on IPDU P C board normal Correct connector connection or cabling Check IPDU P C board power connecting section www heronhill co uk Fax 01823 665807 Sel Check code name Check code name H04 44 d07 Al NET Compressor 1 case thermo operation H14 44 Compressor 2 case thermo operation d07 Al NET Is case thermo circuit normal 1 Connector connection NO ANoOoahWD Heronhill for all your Toshiba requirements Cause of operation Case thermo circuit error I F P C board error Service valve closed Outdoor PMV clogging SV4 valve leak Coil misinstallation 4 way valve error Compressor error Refrigeran shortage 2 Wiring 3 I F P C board Note 1 Note 1 1 Case thermo is usually closed Are service valves of NO 2 Operation temperature of case thermo is 120 C Repair case thermo circuit Check code name H06 20 d07 Al NET gas pipe and liquid pipe of outdoor unit fully opened Are outdoor PMV1 2 3 normal 1 Connector connection NO 2 Wiring 3 Coil 4 Valve body 5
345. ut on the board L Interface board Terminal Comp IPDU Comp IPDU CN15 O0 O a0 O T02 To5 T04 CIO Oo No 1 No 2 208 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 16 2 7 Notice for Wiring Wiring for service shall be done according to the wiring diagram Special caution is needed for reactor which has different connecting points on COMP IPDU1 and COMP IPDU2 COMP IPDU No 1 COMP IPDU No 2 TO REACTOR 2 CN20 REACTOR 1 CNO8 REACTOR 2 CN21 REACTOR 1 CNO7 REACTOR 2 P C board interface Inverter front view DANGER The electrolytic capacitors in this panel are charged to 660 volts D C Before servicing turn off the power supply and allow the capacitor to discharge for at least 10 minutes Purpose Discharge the capacitor Discharge to a safe level 10 volts D C or LESS Test with a D C Voltmeter as shown CN15 CAPA Comp IPDU No 1 amp No 2 COMP IPDU No 1 and COMP IPDU No 2 have the same electric potential but both voltages shall be measured Never discharge the capacitor terminals with any metal implement Personal injury or equipment damage may result 209 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements lt Inverter Assembly Configuration gt Fan IPDU BUS terminal block Power supply P C board for fan Relay connector Magnet swith IPDU1 IP
346. utdoor unit for 2 seconds or more Interface P C board 100 Tel 01823 665660 Be sure turn on the power of the indoor unit prior to the power of the outdoor unit 7 segment display A www heronhill co uk 7 segment display A B Al Operation 7 segment display A A A1 FF Check the connected remote controller End Other end conditions 1 10 minutes passed for sending operation 2 SW01 SW02 or SWO3 changed to other position 7 segment display B Fax 01823 665807 Heronhill for all your Toshiba requirements 8 7 4 Pulse Motor Valve PMV Forced Open Close Function in Indoor Unit This function is provided to open or close forcedly PMV for 2 minutes in all the indoor units by the switch opera tion on the interface P C board of the outdoor unit This function is also used to open PMV fully when turning off the power and executing an operation lt Operation gt Open fully Set the switch SW01 on the interface P C board of the outdoor unit to 2 SW02 to 3 SW03 to 1 and push SW04 for 2 seconds or more Display appears on 7 segment display for 2 minutes as follows P FF Close fully Set the switch on the interface P C board of the outdoor unit SW01 to 2 SW02 to 3 SW03 to 1 and push SW05 for 2 seconds or more Display appears on 7 segment display for one minute as follows P 00 Clear After 2 minutes 1 minutes for
347. very in simultaneous operation Controls to recover the refrigerating oil accumulated in the low pressure gas inter unit piping in simultaneous operation regardless of all cooling operation all heating operation 1 Control condition e When the integrating time of compressor ON reached 95 minutes in simultaneous operation 2 Control contents When the conditions have been satisfied change the mode of the indoor unit from heating to cooling mode stop the indoor fan and the oil is recovered for 2 minutes 30 seconds to max 10 minutes The indoor unit in cooling operation continues the operation Control for refrigerating oil recovery is per formed with interval of approx 2 hours Recovery time differs according to the system capacity Approx 2 to 3 minutes are required Refrigerant recovery control for heating is performed with interval of approx one hour Recovery time differs according to the load conditions Approx 2 to 10 minutes are required Defrost control Reverse defrost method Tel 01823 665660 1 Defrost start condition In all heating operation and mainly heating part cooling operation the operating time is integrated when the detected TE sensor temp was lower than 2 C and when 25 minutes have passed in the initial time after the compressor started and 55 minutes in the second time and after 2 Contents of control If the outdoor units are combined the defrost operation forcedly
348. ward during swing operation it stops after moving to the 3 position from the highest position 4 auto flap button _ Sin a Pan the y No Unit No _ Unit No Push to set up the air direction individually in each indoor unit i display gt 1 1 1 2 Then the indoor unit No in a group control is displayed For the displayed indoor unit set up the air direction If the unit No is not displayed all the indoor units are operated at the same time Every pushing _UNIT_ the display is exchanged as follows Unit No Unit No TA 133 Tel 01823 665660 www heronhill co uk 2 way 3 way air discharge 2 way discharge or 3 way discharge can be selected according to the shape or arrangement of the room For details consult with the dealer which you have purchased the air conditioner e If cooling operation is executed under condition of downward blowing the cabinet or surface of the hori zontal flap gets wet with dew and may drop e During heating operation under condition of horizontal blowing unevenness of temperature may increase in the room Never handle the horizontal flap directly with hands otherwise a trouble is caused Use the flap operation switch on the remote controller to change direction of the horizontal flap The horizontal flap does not stop even if pushing the horizontal flap Adjusting the stop position push the switch 2 way Air Discharge Cassette Type In cooling operation Use the ai
349. wer supply LED Drain pump output 1 Nome for under ceiling high wall www heronhill co uk Fax 01823 665807 C L OL peog N3119 JUL JOOpU LLL Power supply Heronhill for all your Toshiba requirements Power transformer Secondary side AC11V 14V 20V Microcomputer operation LED PMV output Indoor Outdoor communication Spare EEPROM 1FA4B1B053000 0 pcp assy fe D311 Power transformer raj _ Primary side cso5 L g R339 AC200V ye ieee i a a a Pied a Flap Pars GE g PC003 D310 po S Ra 1c306 ENG A SP 6P 3 cou WAY cwoatdosi MCC 1403 05 EMP C048 amp JEU podez 16040 3 JPO MODELI Icoat 3 HBS cNo50 pe al al lt lt ni 5 en92 x00 R219 206 e00 JP00t LP Bae 588 so PULSE STATIC oy RY007 3X Le 3 5V GND 5 D202 CNI02 ical CNI00 a 10 8 Optional E TA power supply FAN ENO30FS dNo2o GRL w TC d TCIXES a enost RC TCI sensor Outside TA sensor BG Tamoutput rror input TC2 sensor DISP Used for Filter Option error input CHK J servicing TCJ sensor Float SW Tel 01823 665660 Short plug is inserted in Concealed Duct High Static Pressure type Floor standing cabinet type Floor standing type Floor stabding conceded type www heronhill co uk 1 2 way Air disch
350. wo screws each fixing board 4 at front and rear 8 Middlefpartition board Accumulator 2 Three screws 4 Brazing part with SV2 assembly 198 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Part to be exchanged Work procedure Remarks Exchange of 4 way valve REQUIREMENT Put on gloves during work otherwise an injury may be caused by parts etc Before work be sure to recover the refrigerant using an refrigerant recovery device so that there is no refrigerant in the outdoor unit 1 Remove the lower cabinet Front side 2 Remove the inverter box according to the item How to remove the inverter box 3 Remove brazed sections of PMV assembly at 3 positions Refer to the figure below 4 Remove brazed sections of 4 way valve at 4 positions for replacement x When welding prepare a shield plate etc so that brazing flame does not burned wires Remove brazed sections at 3 positions on the 4 way valve Before removal of After removal of PMV assembly PMV assembly 199 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 16 P C BOARD EXCHANGE PROCEDURES 16 1 Indoor Unit 16 1 1 Exchange of P C Board for Indoor Service Part code Model type P C board model Label display on P C board MMU AP 1WH series MMD AP 1H series MMU AP 1YH series 4
351. y Check joint Solenoid valve joint valve tube ove Capillary tube Strainer Solenoid valve O SV3D Strainer Q Capillary tube C2 Capillary tube Solenoid valve Solenoid valve Accumulator Compressor 1 Inverter Sensor TK2 Solenoid valve O 1 SV3E YA Capillary tube Capillary tube Solenoid Strainer valve SV3B Strainer 8 Service Service Service Service valve of valve at valve at valve at balance liquid discharge suction pipe side gas side gas side 43 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 4 2 Explanation of Functional Parts Solenoid valve SV3A Connector CN324 Red 1 Collects oil in the oil tank during OFF time 2 Supplies oil reserved in the oil tank during ON time Connector CN313 Blue 1 Returns oil supplied in the balance pipe to the compressor Connector CN314 Black 1 Pressurizes oil reserved in the oil tank during ON time Connector CN323 White 1 Reserves oil in the oil separator during OFF time and supplies oil during ON time Connector CN323 White 1 Turns on during operation and balances oil between compressors Hot gas bypass Connector CN312 White 1 Low pressure release function 2 High pressure release function 3 Gas balance function during stop time Start compensation valve of compressor Connector CN311 Blue 1 For gas balance start 2 High pressure rel

SERVICE MANUAL - Heronhill Air Conditioning Ltd

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