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Service Manual - GT Phelan Tech

1. controller Check code Sub code remote controller E01 Remote Communication error between Corresponding Communication interrupted Check remote controller inter unit cable controller indoor and remote controller unit only stops between indoor P C board Check disconnection connector contact error Detected at remote controller side and remote controller Check indoor power supply Check indoor P C 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 Check indoor address setup Detected at indoor side unit Check inter unit cabling between indoor and outdoor C
2. REQUIREMENT op view OK NO GOOD Be sure to fix the soft socket with the Side view attached hose band and set the Air outlet a SE tightening position at upper side De Riser Trap Use the attached flexible hose by bending it with 45 or less so that no breakage or clogging occurs Side view Side view a Air outlet Air outlet DW 90 Bend Connection of drain pipe Connect the hard socket local supply to the hard Socket side of the attached flexible hose which has been installed Connect the drain pipes local supply successively to the connected the hard socket REQUIREMENT Using adhesive agent for vinyl chloride connect the hard vinyl chloride pipes certainly so that water does not leak It requires several times to dry and harden the adhesive agent Refer to Guide Manual of the adhesive agent In this time be sure not to apply force to the connecting section with the drain pipes When a downward grading cannot be secured on the drain pipe a drain up work is possible Set the height of the drain pipe within 850mm from the bottom surface of the indoor unit Draw out the drain pipe within 300mm from the end of the drain pipe connecting port of the indoor unit and then raise it vertically After the drain pipe has been raised set a grading so that it is immediately bent downward
3. After checking there is no slogging or pipe breakage charge refrigerant again clogging pipe breakage YE 5 Refrigerant shortage clogging pipe deformed 6 Check code name Check code name Cause of operation 4 E m E In some cases it 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 Criterion Discharge temperature of TD1 and TD2 are 60 C or higher H07 d7 Oil level down d07 AI NET detection protection Valves of balance pipes closed Miscabling or misinstallation of TK1 to TK4 sensors TK1 to TK4 sensor error Gas leak or oil leak of all outdoor units Refrigerant stagnation of compressor case SV3A 3D 3C valve error Clogging of oil return circuit from oil separator Clogging of oil equation circuit system 1 a Leakage check for SV3A valve For multiple outdoor unit system Turn off the power supply take off connector of SV3A valve and then start a test operation after power ON Check the temperature change at secondary side of SV3A valve during operation in the figure If temperature is raised it is a leakage of SV3A valve Replace SV3A valve BR CO b Leakage check for SV3C valve Turn off the power supply take off connector of SV3C valve and then s
4. Upper limit of external static pressure 50Pa 50 i l High l 35Pa _ 40 Y Q Upper limit of o external static 3 pressure 35Pa em pA Lower limit of Low 50Pa external static 30 pressure 50Pa 9 S Upper limit of High o external static 20Pa T pressure 20Pa 5 20 Low 35 Lower limit of external static Upper limit of pressure 35Pa external ae High 1 essure a les Low 20Pa 10 I 10 Lower limit of external static pressure 20Pa Low 10Pa 0 300 400 500 600 700 Air volume m3 h MMD AP0181SPH SH 60 Standard air volume 780m h External static pressure Pa 1 Upper limit of external High 50Pa static pressure S0Pa 50 Upper limit l external 1916 ressure 35Pa 4o Pressure Lower limit of external static 30 Low pressure 50Pa Upper limit of external static pressure 20Pa 4 20 Lower limit of external static pressure 35Pa Upper limit of external static pressure 10P 10 Lower limit of external static pressure 20Pa 700 800 Air volume m3 h 0 400 900 5 REFRIGERANTING CYCLE DIAGRAM Liquid side Gas side Capillary tube Air heat exchanger at indoor side Pulse Motor Valve PMV Sensor TC2 Sensor TC1 Sensor TA Fan motor Functional part name Functional outline Pulse Motor Valve Connector CN082 6P Blue 1 Controls super hea
5. Rising up 687mm or less LE 300mm or less Rising up 850mm or less Indoor unit Underneath of ceiling Check the draining After drain piping work check that water drain is properly performed and water does not leak from the connecting part of the pipes In this time check also there is no abnormal sound of the motor of the drain pump Be sure to check draining when installed in the heating period When the electric work has finished Pour water as shown in the following figure check water is drained from the drain pipe connecting port in COOL mode and then check there is no water leak from the drain pipes When the electric work has not finished Pull out the float switch connector 3P Red from P C board connector CN34 Red of the electric parts box In this time be sure to check the power is turned off Connect the single phase 220 240V 50Hz or 220V 60Hz power to the terminal blocks R L and S N Never apply 220 240V to A B U1 and U2 otherwise a trouble of P C board occurs Pour water referring to the figure Amount 1500cc to 2000cc When the power is turned on the drain pump motor drives automatically Check water is drained from the drain pipe connecting port and then check there is no water leak from the drain pipes After check of draining and water leak turn off the power supply attach the float switch connector to the original position
6. air conditioner from the wireless remote controller and return Dip tached to the receiver section in order to prevent a continuous test Receiver unit M4 x 25 screw 2 pieces N Spacer ve Nai Notch Nameplate Small screw LV 1 1 TROUBLESHOOTING Confirmation and check When a trouble occurred in the air conditioner the CODE No check code and the indoor unit No appear on the gt r i N rud FUN No ie XA 2 display part of the remote controller The check code is only displayed during the operation EON If the display disappears operate the air conditioner f according to the following Confirmation of error Check code history for confirmation Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following 2 procedure The error history is stored in memory up to 4 errors This history can be confirmed from either operating status or stop status FILTER RESET TEST Indoor unit No in which an error occurred ON OFF Ca Procedure Description When pushing e and tex buttons simultaneously for 4 seconds or more the right display appears If Service Check is displayed the mode enters in the error history mode 01 Order of error history is displayed in CODE No window Check Code is displayed in
7. How to read the check monitor lt 7 segment display gt D D E D A MI TI 71111 0 1 2 3 4 5 6 7 8 9 A b C d E F HYJ L P JL DL LIL D 400 0110 10 LIU J a c G h i n o r S t V y u 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 5to 48HP HP 1 to 4 1 to 4 units P 0 to 48 O to 48 units No of connected units C0 to C48 0 to 48 units No of units with cooling thermo ON 0 to 48 O 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 Oil equalization control Normal time oiL 0 During oil equation oiL 1 Oil equalization request Displays with segment LED lighting pattern U 2 0 0 0 U0 U U UU Display A Display B A F in the left figure goes on J Header requests oil equalization ET fc C in
8. Indoor Indoor fan motor error Corresponding unit only stops The value of motor speed deviated from target value was detected for certain time Over current protection operated Check connection of fan connector and wiring Check fan motor error Check indoor PC board error Check influence of outside air control Check indoor type code DN 10 and the capacity code DN 1 1 Outdoor liquid back detection error All stop 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 Check capillary clogging of oil return circuit from oil separator Check TS1 TS2 sensor error 01 TS condition Gas leak detection TS1 condition All stop Suction temp exceeded the 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 TS error judgment standard Check characteristics of TS1 sensor resistance value temperature gt Check 4 way valve error In cooling operation 60 C or Check leakage of SV4 circuit higher Check leakage of SV5 circuit In heating operat
9. P01 11 e a ALT Indoor fan motor error Indoor 1E e a ALT Discharge temp TD1 error VF P04 101 Comp 1 side 1 02 Comp 2 side 21 ALT High pressure SW system operation IPDU P05 101 Phase missing detection 102 Phase error AF ALT Phase missing detection Phase error VF P07 101 Comp 1 side 02 Comp 2 side IC ALT Heat sink overheat error IPDU I F P10 Detected indoor address Ob ALT Indoor overflow error Indoor P12 11 ALT Indoor fan motor error Indoor P13 47 ALT Outdoor liquid back detection error VF P15 01 TS condition 02 TD condition AE ALT Gas leak detection VF P17 bb ALT Discharge temp TD2 error VF P19 t Detected outdoor unit number 08 ALT 4 way valve inverse error VF P20 ajajaja eee a ajajaja jajajaja 22 ALT High pressure protective operation VF 10 IGBT short 11 Fan motor position detective circuit error 13 Fan motor trouble TH sensor temp error Heat sink overheat D TH sensor error i E Vdc output error Outdoor fan IPDU error 101 Comp 1 side 102 Comp 2 side G TR short protection error 101 Comp 1 side 02 Comp 2 side e Comp position detective circuit system error e O
10. 803 inside Air filter Fresh air inlet knock out hole Drain up port Hung up plate MMD AP0071SPH C AP0091SPH C AP0121SPH C AP0151SPH C AP0181SPH C MMD AP0071SH C AP0091SH C AP0121SH C AP0151SH C AP0181SH C 845 Refrigerant piping n MM LH li a Fresh air inlet Drain up port knock out hole SPH model only Hang up plate Flow Selector unit Earth screw Closed end connector Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRN BRWN GREEN Non Drain pump type SH Type Drain pump type SPH Type RED pr CN112 CN111 WHI WHI Motor drive circuit eDC20V Power supply SOC I2V circuit Indoor unit Power supply Earth screw 220 240V 50Hz 220V 60Hz WHI CN44 IY BRW 2 BLU BLU Outdoor unit Wired remote controller CN32 WHI Fan drive 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 a control P C board
11. Check I F P C board Failure Replace NO Are parts of high pressure SW normal i Gt rm Are connector connection heat exchanger fan and fan motor normal E Repair YES NO Y faulty parts Is service valve fully opened Open service valve fully NO Is 4 way valve normal Replace 4 way valve YES Are characteristics of TC2 and TCJ sensor resistance value normal NO Check mispiping of Abnormal Correct piping discharge suction gas main pipes Normal Abnormal Check operation of PMV3 SV12 valve gt Replace defective parts Is SV11 circuit normal Replace TC2 or TCJ sensor Normal Y Abnormal YES Is the flow selector normal gt Repair the flow selector unit Repair faulty position Are not indoor units of different refrigerant circuit connected YES Check with miscabling check function of outdoor unit Is there clogging of valve Check indoor P C board Failure Replace Replace PMV bogy Refrigerant overcharge clogging pipe breakage abnormal overload condition Normal Reset power supply and start a test All cooling operation To operation corresponded to the season All heating operation To Are characteristics of high pressure sensor normal All cooling operation Does cooling outdoor fan normally operate YES YES NO Replace the high pressure sensor
12. lt Procedure gt Execute the setup operation while the unit stops DON OFF jp 5 FAN MODE f 3 CS 6 SWING FIX VENT 4 UNIT ea 2G C_D Push OK C and 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 UNIT i Every pushing button the indoor unit numbers 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 v and CA buttons 4 Select the setup data using the timer time 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 O 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 G button returns the status to normal stop status 57 Table Function selecting item code DN Items necessary to perform the applied control at the local site are described Item Description At shipment Filter display delay timer 0001 150H 0003 5000H None 2500H 10000H According to type Dirty state of filter Standard 0001 High degree of dirt Hal
13. Indoor unit address 0099 Undefined Group address 0099 Undefined Louver 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 4 way Air Discharge Cassette 2 way Air Discharge Cassette 1 way Air Discharge Cassette Compact type Concealed Duct Standard Slim Duct Concealed Duct High Static Pressure Under Ceiling High Wall Floor Standing Cabinet 0000 Possible Indoor unit capacity Item code 11 Invalid 007 type 048 type 056 type 009 type lt 012 type 072 type 015 type 096 type 018 type 024 type 027 type Floor Standing Concealed 030 type Floor Standing Below 6HP 036 type The initial setup value of EEPROM installed on the service P C board 127 12 EXPLODED VIEWS AND PARTS LIST MMD AP0071SPH AP0091SPH AP0121SPH AP0151SPH AP0181SPH MMD AP0071SPH K AP0091SPH K AP0121SPH K AP0151SPH K AP0181SPH K 231 D NV
14. 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 Setup method of No capacity over detection Turn SWO9 Bit 2 on I F P C board of outdoor header unit Check the connection capacity of indoor unit Check the HP capacity of indoor unit e Check the indoor outdoor capacity setup Check the No of connected indoor units Check the outdoor I F P C board error Communication error between indoor header and follower units Corresponding unit only stops Regular communication between indoor header and follower units Check cable of the remote controller Check power cabling of indoor Check PC board of indoor No header unit Two or more header units Outdoor unit quantity error All stop There are multiple outdoor units in 1 line 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 Check connection of communication line between indoor and outdoor Check outdoor P C board I F error Connection of outdoor of other line Connection of indoor of other line Other line unit connected during automatic address Unit of other line was connected when indoor automatic address started Separate the cable between lines according to automatic address se
15. TD1 TD2 sensor resistance normal YES sensor characteristics 4 Refer to outdoor unit temperature Replace TD1 or TD2 sensor Is SV4 valve circuit normal NO Coil misinstallation valve leakage YES NO Are not indoor units in different Repair SV41 and SV42 circuits LL Coil valve body coil Cae disconnection of cable etc refrigerant circuit connected Check with miscabling check YES function of outdoor unit Abnormal Check leakage of Correct cabling SV5 and SV11 circuits Normal Y Check mispiping of discharge gas Abnormal Replace defective parts suction gas main pipes Normal Correct piping Y Abnormal Is the flow selector unit normal Normal Y Refrigerant shortage clogging pipe breakage Repair the flow selector unit i Check there is no clogging and pipe breakage and then recharge refrigerant Check code name Check code name P17 bb d07 AI NET Discharge temp TD2 error NO 0 Cause of operation Outdoor unit service valve closed Outdoor PMV error TD sensor error Refrigerant shortage clogging of refrigerant circuit 4 way valve error SV4 circuit leakage misinstallation SV5 circuit leakage SV6 circuit clogging Mispiping of discharge gas suction gas pipes Flow selector unit error Are service valves of gas and liquid sides
16. If the cooling operation and the heating operation are simultaneously performed the indoor unit which executes cooling operation stops and the operation section lights up On the other hand the indoor unit which executes heating operation continues running In a case that the manager of the air conditioner has fixed the operation to cooling or heating an operation other than that set up is unavailable If an operation other than that set up is executed amp on the operation section lights up and the operation stops 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 tempera ture the indoor heat exchanger has warmed up During operation the outdoor unit may stop if the outside temperature rises 3 8 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 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 t
17. ALT TD1 sensor error VF F05 A1 ALT TD2 sensor error VF F06 18 ALT TE1 sensor error VF F07 18 ALT TL sensor error VF Fos 1b ALT TO sensor error VF F10 oc ALT Indoor TA sensor error Indoor F12 A2 ALT TS1 sensor error VF F13 101 Comp 1 side i 02 Comp 2 side 43 ALT TH sensor error IPDU F15 18 ALT Outdoor temp sensor miscabling TE TL VF F16 43 ALT Outdoor pressure sensor miscabling Pd Ps VF F23 43 ALT Ps sensor error VF F24 43 ALT Pd sensor error VF F29 12 SIM Indoor other error Indoor F31 1C SIM Indoor EEPROM error VF H01 Comp 1 side Comp 2 side IF e jajajajajaja a ajajajajajajajaja a jajajajajaja a jajajajajajajajaja Compressor break down IPDU Comp 1 side Comp 2 side 1d e e Magnet switch error Overcurrent relay operation Compressor trouble lock MG SW Overcurrent relay IPDU Comp 1 side Comp 2 side 17 Current detect circuit system error IPDU 44 Comp 1 case thermo operation VF 20 Low pressure protective operation VF d7 Oil level down detective protection VF TK1 sensor error TK2 sensor error TK3 sensor error TK4 sensor error d4 Oil level detec
18. Check and correct the cabling Repair faulty parts Connector connection Is there no crack or coming off of fan NES fan IPDU fan motor wiring YES Check code name Check code name Cause of operation gt Eliminate the interfered causes Is there a cause to interfere operation of heat exchanger of outdoor unit 1 Heat exchanger clogging 2 Air short circuit NO Is SV2 circuit normal YES P05 AF Open phase negative phase 1 Power supply open phase d07 AI NET 2 Power supply negative phase NO Repair SV2 circuit Check the phase power line of outdoor unit liste etc Check error of outdoor I F P C board Check there is looseness etc of terminal Check code name Check code name Cause of operation P07 1C d07 AI NET Check code name Check code name Cause of operation P12 11 Indoor fan motor error 1 Cabling error of fan motor connector d07 AI NET 2 Fan motor error 3 Indoor P C board error Heat sink overheat error Power voltage error Outdoor fan system error Heat sink installation error Clogging of hear sink cooling duct IPDU PC board error TH sensor error Detectable in model with DC fan motor Turn off power supply Is there connection error or disconnection on connector CN333 CN334 of indoor P C board MCC 1402 Sub code 01 Compressor 1 side 02 Compressor 2 side NO A
19. Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following 2 procedure The error history is stored in memory up to 4 errors This history can be confirmed from either operating status or stop status code Indoor unit No in which an error occurred DON OFF FILTER RESET TEST Procedure Description When pushing e and tex buttons simultaneously for 4 seconds or more the right display appears If Service Check is displayed the mode enters in the error history mode 01 Order of error history is displayed in CODE No window Check Code is displayed in CHECK window Indoor unit address in which an error occurred is displayed in UNIT No Every pushing CA buttons the error history stored in the memory is displayed in order The numbers in CODE No indicates CODE No 01 Latest 04 Oldest Do not push e button because all the error history of the indoor unit will be deleted After confirmation push 6 button to return to the usual display 1 1 TROUBLESHOOTING Check method Check code Wireless remote controller i Main Outdoor 7 segment display Sensor block display Check code name Judging device On the remote controller Main remote controller Central control remote controller and the interface P C board of eni AMET of receiving unit the o
20. 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 NO Correct connection of connector Is jumper setup of outdoor I F P C board correct Jumpers 7 8 9 ON YES Y Is communication connector between IPDU and I F board connected YES Correct connection of connector Replace communication line NO Is there no disconnection of communication line between IPDU and I F P C board 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 and 5 pins of CN600 on I F board Measurement by tester DCO to 5V 5 pin GND IPDU board error YES Both IPDU No 1 No 2 and fan IPDU did not return the communication NO Replace fan power supply P C board 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 5 and GND at the side of CN505 5V Auxiliary code P C board to be replaced 01 IPDU1 02 IPDU2 03 IPDU1 2 Replace IPDU P C
21. 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 66 8 3 Troubleshooting by Check Display on Remote Controller In case of wired remote controller RBC AMT31E 1 Confirmation and check When a trouble occurred on the air conditioner m the check code and the indoor unit No are displayed on the display section of the remote x 000 controller The check code is displayed while the air condi tioner operates If the display disappeared operate the air Check code Indoor unit No in which conditioner and check the error based upon the an error occurred following Confirmation of error history TEMP ON OFF o 2 Confirmation of error history When a trouble occurred on the air conditioner 2 the error history can be confirmed with the following procedure Up to 4 error histories are stored in memory This history can be confirmed from either operat ing status or stop status 3 TIMER SET Coro TIME QD SET CL FAN C SWINGFIX VENT GED Ce UNIT MODE FILTER
22. the supply air flange and sealing may occur dewing resulted in falling of water drop Under surface A Cover a screw Heat insulator with sticking material 100mm width Local supply REFRIGERANT PIPING WARNING If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may generate REQUIREMENT When the refrigerant pipe is long set the support brackets to fix the pipe with 2 5 to 3m intervals If the pipe is not fixed abnormal sound may generate Be sure to use the flare nuts attached to the indoor unit or those fro R410A Permissible pipe length and permissible height difference They are different according to the used outdoor unit For details refer to the Installation Manual attached to the outdoor unit Piping material and dimensions Piping material Phosphor deoxidization joint less pipe for air conditioner Model MMD AP007 to APO12 AP015 to AP018 Pipe size mm Gas side 9 5 912 7 Liquid side 06 4 06 4 Use a clean and new pipe and check that impurity such as dust oil moisture etc does not adhere in the pipe Pipe forming End positioning i ji 1 30 2
23. 08 AI NET central control remote controller Detected position FAN IPDU Check code name Outdoor fan IPDU error All stop Error detection condition Sub code 0 Short circuit current was detected at start time Short circuit current was detected when checking IGBT short circuit before start time Check item position Check fan motor Interphase short circuit Check fan IPDU error All stop Sub code 1 The standard value of detection circuit of fan IPDU current fluctuated at start time Check fan IPDU error All stop Sub code 3 Abnormal current was detected within 30 seconds after start time Check fan motor Lock phase missing Check cause of abnormal overload at start time Check connection of connector to fan motor All stop Sub code 4 Short circuit current was detected when 2 seconds or more passed after start time Over current was detected when 30 seconds or more passed after start time Check power supply voltage Check fan IPDU error All stop Sub code C Heat sink sensor TH of fan IPDU detected 95 C error Check outdoor fan system Check fan IPDU error Check fixation between fan IPDU and heat sink All stop Sub code D Heat sink sensor TH of fan IPDU detected short circuiting or open Check fan IPDU error All stop Sub code E Input power supply voltage of the fan IPDU over
24. B A emove the group wire of the 7 01 40 A LL a 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 EU 7 gt AE RE Remove CN41 connectors E of the indoor units other 02 00 T e than the units to be changed Group wire Remote in the same group controller 125 Procedure 3 Writing in of setup contents to EEPROM The EEPROM contents which are installed on the service P C board have been set up at shipment from the factory 1 SET Push G buttons simultaneously for 4 seconds or more Aid is displayed in the UNIT No box In this time is displayed in the item code DN The fan of the indoor unit operates and also starts swinging in a model with flap Using temperature setup Cy Ca buttons the item code DN can be moved one step up 1 or down one by one 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 buttons set up the type 4 For example 0001 indicates 4 way Air Discharge Cassette type Refer to the attached table SET 3 Push button OK if display goes on 4
25. CN34 of P C board and then set the electric parts box as before 220 240V 50Hz 220V 60Hz 2 White CN34 RED c gt Pull out connector CN34 Red from P C board c Black ve 5 DRAIN PIPING WORK Insert the edge of hose into the drain pan and bend it downward A CAUTION Pour water slowly If it is poured urgently water is spread inside of the indoor unit resulted in a trouble Vessel Heat insulating process After drain check using the attached heat insulator for drain connecting section wrap the flexible hose without clearance from the end of the drain pipe connecting port of the indoor unit Covering the attached heat insulator for drain connecting section wrap the drain pipe with heat insulator local supply without clearance Water T 1500cc 2000cc Flexible hose Hose band Attached heat insulator Heat insulator to be procured locally Hard vinyl chloride pipe 6 AIR DUCTING 6 1 Arrangement Referring to the following dimensions manufacture duct at the local site Under air inlet gt Back air inlet pa a 805 IB 5 805 lH 2 5 E E TTT TTT tt o g 2 i S e a s p H i 12 5 125 9 125 1125 c 100 100 100 100 4 100
26. Is there any connection YES error of power wire Correct power wire NO YES 10 Communication error Indoor P C board error A ssy failure Set up address again after d07 AI NET in indoor P C board A ssy a power failure occur 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 there any trouble on power line Eliminate noise etc NO sil Check indoor control P C board Set up address again Failure Replace after resetting power supply 98 Check code Check code name Cause of operation E16 89 d07 AI NET Connected indoor units capacity over 1 There are 48 or more connected indoor units 2 Capacity over of total connected indoor units 3 Incorrect setup of indoor 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 13596 1 YES check outdoor HP setup OK 10 11 and 12 NG Check outdoor interface P C board A ssy Perform setup of no detection f
27. P29 aye gt lt gt Ses LL LLU 7 227 239 207 207 215 Cots OF Sil j SEI 228 oo U CE 4 r 203 221 226 229 230 128 Location No 43121715 43146555 43146677 43120222 43170232 4314J239 43122084 43122085 4314J261 43146678 43146679 43100319 43172183 43194051 43179129 43170240 43100321 43049697 43179133 43149314 43146671 Description Motor Fan SWF 280 60 1 60W Motor PM V EDM MD12TF 3 Valve PM V EDM B25YGTF 3 0071SPH 0091SPH 0121SPH 0071SPH K 0091 SPH K 0121SPH K Fan Multi Blade 140DIA 180L Hose Drain 25A Evaporator Ass y 0151SPH 0181SPH 0151SPH K 0181SPH k Case Fan Lower Case Fan Upper Evaporator Ass y 460L 0071SPH 0091SPH 0121SPH 0071SPH K 0091SPH K 0121SPH K Distributor Ass y 0071SPH 0091SPH 0121SPH 0071SPH K 0091 SPH K 0121SPH K Distributor Ass y 0151SPH 0181SPH 0151SPH K 0181SPH K Plate Inlet B Pan Ass y Drain ABS PS F Socket Cap Drain Hose Drain Flange Bonnet Band Hose Sheet PM V Valve PM V EDM B40YGTF 30 0151SPH 0181SPH 0151SPH K 0181SPH K 129 Location No 43196109 43194026 43194080 43194081 43047546 43047545 43147662 43047609 43047303 43100320 43121735 43
28. Ps NO during compressor operation YES Y Check outdoor I F P C board Defect Replace Check compressor Value can be confirmed by 7 segment display function on outdoor I F P C board Pd SW01 02 03 1 1 2 Ps SW01 02 03 1 2 2 Check code name Check code name Cause of operation F23 43 Ps sensor error Output voltage error of Ps sensor d07 AI 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 Check code name Check code
29. 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 YES Y YES Is there no connection error X Correct power line of power line NO Is not main power supply YES Turn on the main power supply turned on NO Clear check code NO Is the network YES address changed by main remote controller NO YES Is there no noise etc Eliminate 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 Unavailable Others are same Check central controller Failure Replace Can be the indoor unit normally controlled from the main remote controller Check indoor P C board Failure Replace Does the network adaptor P C board LED 001 turn on Check power transformer of the network adaptor P C board MCC 1401 Failure gt Replace 8 6 7 Segment Display Function B 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 combin
30. individual indoor unit Check setup item code Item code D1 12 Line address Is there group cabling DN 12 13 addresses Item code D2 13 Indoor address VF P C board A ssy service for the outdoor unit is common to this series A setup for model selection different from code 03 14 Group address that for P C board with trouble is necessary Set up a model based upon the P C board A ssy exchange procedure There is individual indoor unit Correct indoor group address NO Check indoor P C board Check code name Check code name Cause of operation Failure Replace L17 46 Inconsistent models of There are outdoor units on the communication d07 AI NET outdoor units line other than Super Module Multi Flex type such as Super Module Multi or Super Module Multi ice regenerative type Check code name Check code name Cause of operation L08 99 Indoor group address unset Indoor address unset d07 AI NET Are powers of all the NO Turn on the f ind it indoor units turned on POM EO Ino Parmar YES Are the connected outdoor NO units those for flex on 1 system Check model name Replace outdoor units of other models with outdoor units purposed for flex Is the check code L17 displayed even if turning on again NO Correct communication line between Disconnect connectors between power of all the connecte
31. system refer to Electric work in this Manual Cabling between indoor units in a group is performed in the following procedure Connect the indoor units by connecting the remote controller inter unit cables from the remote controller terminal blocks A B of the indoor unit connected with a remote controller to the remote controller terminal blocks A B of the other indoor unit No polarity For address setup refer to the Installation Manual attached to the outdoor unit 10 TEST RUN Before test operation Before turning on the power supply carry out the following items 1 Using 500V megger check there is 1MQ or more between the terminal block of the power supply and the earth If 1MQ or less is detected do not run the unit 2 Check that all the valves of the outdoor unit are fully opened Never push the electromagnetic contactor to carry out a forced test operation It is very dangerous because a protective device does not work How to execute test operation To carry out a fan operation in a single indoor unit turn off the power once short CN72 on P C board and then turn on the power again Start the unit in FAN mode In this case do not forget to clear short circuit of CN72 after test operation Using the remote controller check the operation in the usual operation For the operation procedure refer to the attached Owner s Manual A forced test operation can be executed in the following proced
32. 1 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 None for SH series Neu 2 Indoor Outdoor uil ue communication Outdoor unit Power supply 19 220 240V 50Hz 19 220V 60Hz 2 3 a Power 1 1 Power supply supply E Outdoor Outdoor unit unit 49 041uO9 9 0W91 SS9 9JIM pue 19 01 U09 9j0UJ9J u1oq Jo DC fan output PMV output DC fan return Float SW Flap U e 1 gt e e lt Microcomputer operation LED MCC 1402 07S R425 COMPONENT SIDE m dn 1C330 2 8 R33 R423 R422 R421 IC340 E TE 1j i toss D37 a38 F E R31 fads iei D35 gt ST a y CN33 1 LM CN82 PMV 8 LT CN32 1 CN66 5 CN20 1 GRL FANDRIVE HU Fan output TA sensor Optional output None for Slim Duct Type TN R316 C359 C362 20V 61 ich 1 oy is CN403 Filter Option error input 1FA4B1B052900 2 T301 904 9 OJ OI ai zs 27 MI C358 C357 IC312 5 R391 K 4 IC19 i Li zm RXD C10 00 29 o D00 C373 EE 6579 aS a an 8 m CRITIC R115 1127 LE 22 KZCNBO 101 SSSIPNL 1 TCJ sensor EXCT DISP Used for CHK f servic
33. 47FG uil lu2 communication Outdoor uni Power supply 19 220 240V 50Hz 19 220V 60Hz Power Power supply supply NUT 2 Indoor Outdoor cd Max 8 units are connectable 1 1 ne 3 4 However in a case that the network adaptor is installed when 2 remote controllers are connected maximum 7 units are connectable The network adaptor is installed to only one unit The weekly timer cannot be connected to the simple wired remote controller None for SH series 12 041U09 JO L weibeig 19019 1911011U09 100PUI L L 6 400pu 1 6 LIN9419 TOULNOD NOILLVENSISANOOD 6 YLL Indoor unit 1 Network adaptor Option Remote controller communication circuit Central control Indoor control P C board MCC 1402 Remote controller communication circuit CPU H8 3039 Driver Louver motor None for Slim Duct type Outside output us Indoor fan motor signal input circui circuit Power supply TA sensor TCI sensor Float input None for Concealed Duct communication it Indoor Outdoor U2 communication 19 220 240V 50Hz 19 220V 60Hz Wireless remote controller kit Sensor P C board Remote controller ommunication circuit Power 1
34. AUTO operation Heating operation is automatically selected with difference between setup temperature and room temperature Room temp control 1 Adjustment range Set temperature on remote controller C 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 Sed Jo 2 5 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 53 HH gt gt gt gt gt Prevention of cold air discharge Outline of specifications 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 When B zone has continued for 6 minutes the operation shifts to C zone In defrost time the control point is set to 6 C C 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
35. Automatic Operation Super Heat Recovery Type Only When you set the air conditioner in mode or switch over from AUTO operation because of some settings change it will automatically select either cooling heating or fan only operation depending on the indoor tem perature ON OFF SWING FIX FILTER RESET TEST UNIT Start 1 CL button Push this button to start the air conditioner 2 Mode select button MODE Select Auto 3 Temperature button Set the desired temperature In case of cooling start the operation after approx 1 minute In case of heating the operation mode is selected in accordance with the room temperature and operation starts after approximately 3 to 5 minutes 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 After the heating operation has stopped FAN operation may continue for approx 30 seconds When the room temperature reaches the set temperature and the outdoor unit stops the super low wind is discharged and the air volume decreases excessively During defrost operation the fan stops so that cool air is not discharged and HEAT READY is displayed If the Auto mode is uncomfortable you can select the desired conditions manually When restarting the operation after stop When restarting the operation immediately after stop the air conditioner does
36. Below 20m Twist wire 2 0 mm Power supply wiring Below 50m Twist wire 3 5 mm Control wiring Central controller wiring 2 core with polarity wires are used for the Control wiring between indoor unit and outdoor unit and Central controller wiring To prevent noise trouble use 2 core shield wire The length of the communication line means the total length of the inter unit wire length between indoor and outdoor units added with the central control system wire length Control wiring between indoor unit and outdoor unit 2 core shield wire Up to 1000m Twist wire 1 25 mm Wire size Up to 2000m Twist wire 2 0 mm Communicanomine Central control line wiring 2 core shield wire Up to 1000m Twist wire 1 25 mm Wire size Up to 2000m Twist wire 2 0 mm Remote controller wiring 2 core with non polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring Remote controller wiring remote controller inter unit wiring Twist wire 0 5mm to 2 0mm x 2 The remote controller wire Communication line and AC220V wires cannot be parallel Total wire length of remote controller In case of wired type only Up to 500m to contact each other and cannot be stored in the same conduits In case of wireless type included Up to 400m If doing so a trouble may be caused on the control system due wiring and remote controller inter unit wiring L L
37. C Check full opening of outdoor service valves gas side liquid side Check clogging of outdoor PMV PMV1 2 Check characteristics of TD2 sensor resistance value Check 4 way valve error Check leakage of SV42 circuit Check SV4 circuit Miscabling and misinstallation of SV41 and SV42 Check leakage of SV5 valve circuit Check SV6 circuit Clogging Valve operation error 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 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 Check coil error and connector connection of 4 way valve Check characteristics of TS1 TE1 sensor resistance value Check characteristics of Pd Ps pressure sensor output voltage Check misconnection of TE1 and TL sensors 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 High pressure protective operation All stop Pd sensor detected 3 6MPa or more Check Pd pressure se
38. CHECK window Indoor unit address in which an error occurred is displayed in UNIT No Every pushing CA buttons the error history stored in the memory is displayed in order The numbers in CODE No indicates CODE No 01 Latest 04 Oldest Do not push e button because all the error history of the indoor unit will be deleted After confirmation push tex button to return to the usual display Check method On the remote controller Main remote controller Central control remote controller and the interface P C board of the outdoor unit I F 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 diagnosis function a trouble or position with error 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 In case of check from indoor remote controller See Main remote controller display in the list In case of check from outdoor unit See Outdoor 7 segment display in the list In case of check from AI NET central control remote controller See AI NET central control display in the list n case of check from indoor unit with wireless remote controller See Sensor block display of receiving unit i
39. CN110 WHI Control P C board for undoor unit MCC 1402 CN60 WHI Option Symbol Non Drain pump type SH Type Drain pump type SPH Type RED CN70 WHI CN20 BLU L CN81 BLK Parts name FM Fan motor TA Indoor temp sensor TC1 TC2 TCJ Temp sensor RY302 Drain control relay PMV Pulse motor valve DM Drain pump motor FS Float switch HS HdSL8L0dV HS HdSISLOdV HS HASLZLOdY HS HdSL600dY HS HdSLZ00dV QININ INVH9VIG 9NIHIM 3 PARTS RATING 3 1 Parts Rating Model MMD AP0071SPH AP0091SPH AP0121SPH AP0151SPH AP0181SPH Fan motor SWF 280 60 1 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF EDM B40YGTF Drain pump motor ADP 1409 Float switch FS 0218 102 TA sensor Lead wire length 1558mm Vinyl tube TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor Q6 size lead wire length 1200mm Vinyl tube Black TCJ sensor SPH series only 3 2 Name of Each Part Air inlet Suction duct is connected Air filter SN NS 2 2 Q6 size lead wire length 1200mm Vinyl tube Red SS Air filter is not provided to some models in the series 10 Ea AA Earth screw It is included in the electric parts box Air ou
40. Check power voltage and line outdoor unit power supply Check auxiliaty noise etc Check outdoor I F P C board NO Refer to Outdoor unit temperature sensor characteristics 4 Is resistance characteristic of TD1 sensor normal YES Replace TD1 NO Is there no refrigerant leakage of discharge gas to suction side in 4 way valve YES Check 4 way valve SVA circuit 1 Are not coils of SV41 and SV42 valves mounted reversely 2 Is no leakage from SV41 YES Check code name Check code name Cause of operation Abnormal Check leakage of SV5 circuit Replace defective parts P01 11 Indoor fan motor error 1 Cabling error N d07 AI NET 2 Check fan motor orma Abnormal Check clogging of SV6 circuit For the models installed with AC fan motor only Is there no connection error or YES Correct cabling circuit for disconnection of CN076 connector the connector connection yo Correct mounting of valve coils or replace SV41 valve Replace defective parts Normal Abnormal Check mispiping of discharge gas suction gas main pipes Correct piping Normal NO YES gt A Is not there mechanical lock of fan motor Replace fan motor Is the flow selector unit normal Repair flow selector unit YES NO Is not indoor unit in other refrigerant line connected YES Refrigerant short clogging pipe breakage
41. Check there is no pipe breakage and then recharge refrigerant Correct wiring Check indoor P C board Failure Replace 001 Check code name Check code name Cause of operation P04 21 Actuation of d07 AI NET high pressure SW CAI heating operation 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 SVA circuit error SV5 circuit error 10 Discharge line check valve malfunction Repair SV4 circuit Is SV4 circuit normal Coil error clogging disconnection of wiring etc YES All heating operation Refrigerant overcharge clogging pipe breakage abnormal overload condition YES 1 2 3 4 5 6 y 8 Does heating indoor fan normally operate e NO NO Is connector 11 Refrigerant overcharge Sun eens connection coil normal YES Sub code 01 Compressor 1 side 02 Compressor 2 side Note High pressure SW is normally closed B contact Repair Is there a cause to faulty parts interfere operation of indoor heat exchanger 1 Air filter clogging 2 Heat exchanger clogging 3 Air short circuit Eliminate the interfered causes NO NO Does high pressure SW operate Is circuit cabling normal Check and correct cabling YES YES YES
42. Correct power line 880 415V 10 NO Correct wiring such as cable to compressor or connector connection NO Check fan and fan motor N Is power voltage normal YES gt Correct connector connection YES Is wiring of IPDU normal YE S Remove connectors CN333 and CN334 on indoor P C board MCC 1402 Is indoor fan normal YES Is screw between IPDU s there no clogging of and heat sink loosened NO YES heat sink cooling duct YES Tighten screws NO Correct clogging Does fan turn without trouble when turning it with hands YES Is resistance value between each phase at motor side of fan motor connector CN333 on NO Replace indoor fan motor indoor P C board MCC 1402 correct 1 Replace indoor fan motor LOL Check IPDU P C board Check code name P10 Ob YES 1 s 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 Slim Duct type 15 to 350 15 not grounded between cabinet 1 3 5 Should be 100 more NO Replace indoor fan motor Check code name Cause of operation Indoor overflow error 1 Float SW operation error 2 Drain pump operation error 3 Clogging of drain pipe 4 Indoor board error d07 AI NET Is re
43. Operable 0001 Unavailable Operation prohibited Available Anti ceiling smudging control Clear 58 4 way Air Discharge Cassette type only TYPE Indoor unit capacity Item code 10 Item code 11 Setup data Abbreviated Model name 0005 Slim Duct MMD AP XXX SPH SH 7 2 Applied Control in Indoor Unit B Remote location ON OFF control box TCB IFCB 4E Wiring and setup Use the exclusive connector for connection with the indoor control P C board e In a group control 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 220V 60Hz 59 B Ventilati
44. Utilize this method for remote controller less Group control case However when the setup to high ceiling has been once exchanged it is required for returning it to 0000 to change the short plug to the standard at shipment position and rewrite data to the setup data 0000 from the wired remote controller sold separately though setup to 0001 0003 or 0006 are freely available Exchange of applicable control setup Basic operation procedure for setup exchange 4 em 3 Change the setup while operation of the equipment stops 1 als 2 Select by exchange of short plugs on the indoor Short plug position Be sure to stop the operation of a set 6 m uec 5 P C board CN112 CN111 CN110 from the left Short plug position Procedure Description Set data External static pressure When pushing 5 and 5 s buttons simultaneously for 4 seconds or more after a while the display part flashes as shown ete Check that the displayed item code is 10 k CN112 CN111 CN110 If the item code indicates other than 10 push amp button to erase Tes T ITI 0000 10 Pa At shipment the display and then retry the operation from the first step For some time after amp button has been pushed the operation of the remote controller cannot be accepted CN112 CN111 CN110 In a group control the firstly dis
45. any electrical work Make sure all power switches are off Failure to do so may cause electric shock Connect the connecting wire correctly If the connecting wire is connected in a wrong way electric parts may be damaged When moving the air conditioner for the installation into another place be very careful not to enter any gaseous matter other than the specified refrigerant into the refrigeration cycle If air or any other gas is mixed in the refrigerant the gas pressure in the refrigeration cycle becomes abnormally high and it as a result causes pipe burst and injuries on persons Do not modify this unit by removing any of the safety guards or by by passing any of the safety interlock switches Exposure of unit to water or other moisture before installation may cause a short circuit of electrical parts Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully if there are possible damage Do not install in a place that might increase the vibration of the unit To avoid personal injury with sharp edges be careful when handling parts Perform installation work properly according to the Installation Manual Inappropriate installation may result in water leakage electric shock or fire When the air conditioner is installed in a small room provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not exceed the critical level Install
46. 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 TK4 sensor data Symbol Data Receiving status of Receiving time 1 Not received indoor BUS communication Indoor check code B No check code Indoor capacity 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 48 111 5 Outdoor EEPROM write in error code display Displayed on the header unit only The latest error code written in
47. attached In case of taking pipe from the left side In case of connect the drain pipe from the left side left Push in the plug of which end is not sharp up to the end In case of taking pipe from the right side Drain pan take out the plug from In case of connect the drain pipe from the right side take out the plug from right Push in the plug of which end is not sharp up to the end 5 2 4 Check the draining After drain piping work check that water drain is properly performed and water does not leak from the connecting part of the pipes Insert the edge of hose into the drain pan and bend it downward y ull Vessel Heat insulating process Using the attached drain hose heat insulator lap the connecting section and the drain hose without clearance and then tighten with two banding band Covering the attached drain hose heat insulator lap the heat insulator procured locally to the drain pipe without clearance P Cover plate A CAUTION Pour water slowly If it is poured urgently water is spread inside of the indoor unit resulted in a trouble Water 1500cc 2000cc Lap covering connecting section between drain pan and drain hose Heat insulator procured locally Drain hose Lap the attached heat insulation the one end is put on the other end at the upper side Hose band Banding band
48. board with trouble 04 Fan IPDU 05 IPDU1 fan IPDU 06 IPDU2 fan IPDU 07 IPDU1 2 fan IPDU I F 66 Check code name Check code name Cause of operation Check code name Check code name Cause of operation L30 b6 Interlock in indoor unit Outside error was input f tsid P03 1E Discharge temp TD1 error Service valve of outdoor unit closed d07 AI NET rom outside d07 AI NET Outdoor PMV1 2 error TD sensor error NO Refrigerant short clogging in pipe Is outside device connected Check indoor P C board 4 way valve error to connector CN80 Failure Replace E as SV4 circuit leakage misinstallation YES SV5 circuit leakage Y SV6 circuit clogging NO 7 5 Linie i Check outside device Discharge gas Suction gas pipes mispiping Does outside device correctly operate Failure gt Replace Hsia ede ctore YES 7 Are service valves of NO Check cause of the operation outdoor discharge gas suction gas Open service valves fully and liquid pipe fully opened Are outdoor PMV1 and PMV2 normal 1 Connector connection NO 2 Wiring XE SR Connector CN300 301 White 5 Repair outdoor PMV Check code name Check code name Cause of operation Valve itself Outdoor P C board YES L31 H Extended IC error 1 Outdoor unit power error d07 AI NET 2 Outdoor I F P C board error Is there any trouble of YES
49. box card lock etc the forgotten OFF of the indoor unit can be protected 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 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 buttons for 4 seconds or more Using the setup temp Y or CA button specify the item code cF Using the timer time or button set LLC to the setup data Push e button O RG NH Push button The status returns to the usual stop status 3 Wiring Relay procured locally AIS PEUT In the figure the contact indicates a status that the card is taken out oO amp Co P oO R Co Po Indoor control P C board Power supp
50. fan IPDU P C 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 82 8 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 AI 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 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 con
51. g to the unit r cleaning method of the air filter differs according to the construction of duct end Please ask the constructor for construction of air duct Accessory parts Accessory parts CAUTION To Disconnect the Appliance from Main Power Supply This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm Q ty Part name Shape Usage ve SPH model SH model with drain pump without drain pump Installation Manual This manual Insulating pipe CD Washer M10 x 234 Be sure to hand over to customers For insulating pipe connecting section For hanging down the unit Hose band For connecting drain pipe Flexible hose For adjustment of drain pipe centering Heat insulator For insulating drain connecting section For drain hose forming Banding band T d 1 PRECAUTIONS FOR SAFETY Ensure that all Local National and International regulations are satisfied Read this PRECAUTIONS FOR SAFETY carefully before Installation The precautions described below include the important items regarding safety Observe them without fail After the installation work perform a trial operation to check for any problem Follow the Owner s Manual to explain how to use and maintain the unit to the customer Turn off the main power supply switch or breaker before the
52. has been operated in cooling only mode is operated in heating mode d07 AI NET 2 t without setup for cooling only mode Set up All cooling mode Item code DN OF Cooling only operation mode 0001 Check flow selector unit Did set up All cooling to All cooling indoor unit YES Check code name Check code name L20 98 d07 AI NET Cause of operation Duplicated central control addresses YES Correct the network address of the central control system Check the network adaptor on the indoor P C board Central control addresses are duplicated Are not two or more _ central control system identical network addresses connected Check code name Check code name L28 46 Cause of operation Quantity over of connected outdoor units 1 Quantity over of connected outdoor units 2 Connection error of communication line between outdoor units 3 Outdoor I F P C board error Max 3 units are allowed for flex system Correct connection of communication line d07 AI NET Is No of connected outdoor units below 3 units Is communication line between outdoor units correctly connected YES Check outdoor I F P C board 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 AI NET board Communication error between IPDU fan IPDU and I F
53. is not installed an electric shock may be caused REQUIREMENT For power supply wiring strictly conform to the Local Regulation in each country For wiring of power supply of the outdoor units follow to the Installation Manual of each outdoor unit Never connect 220 240V power to the terminal blocks A B U1 U2 X Y etc for control wiring Otherwise the system will be failed Perform the electric wiring so that it does not come to contact with the high temperature part of the pipe The coating may melt resulted in an accident After connecting wires to the terminal blocks provide a trap and fix wires with the wire clamp Store the refrigerant piping line and control wiring line in the same line Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes Power supply cord and communication wires specifications Power supply cord and communication wires are procured locally For the power supply specifications follow to the table below If capacity is little itis dangerous because overheat or Seizure may be caused For specifications of the power capacity of the outdoor unit and the power supply wires refer to the Installation Manual attached to the outdoor unit Indoor unit power supply For the power supply of the indoor unit prepare the exclusive power supply separated from that of the outdoor unit Arrange the power supply earth leakage breaker and main
54. misinstallation YES TKI CN514 TK2 CN515 on TK1 TK2 TK3 TK4 sensors TK3 CN516 NO TK4 CN523 Y Are characteristics of TK3 sensor NO A zi Sensor error Replace resistance value normal Outdoor unit temp sensor characteristics 4 YES After power reset Start a test operation in COOL or HEAT mode check capillary choke of SV3C valve bypass Replace clogged part Capillary TK3 sensor temp is displayed on 7 segment display with SW01 02 03 1 13 2 Check TK3 sensor temp approx 10 minutes If low temperature continues approximately does not almost change a clogging of parallel capillary is considered No error Check the clogging of SV3E valve 1 after compressor 2 has operated outside temp or temperature Strainer SV3E valve TK3 Note 1 No error Check I F P C board Error gt Replace SV3E valve Note 1 Refer to item HO7 error 96 Check code name Check code name Cause of operation H16 d7 TK4 temperature detective circuit error 1 Detachment of TK4 sensor miscabling d07 AI 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 mi
55. not operate for approx 3 minutes to protect the machine Stop WON OFF Push button Push this button again to stop the air conditioner 14 3 6 TIMER Operation A type of timer operation can be selected from the following three types OFF timer The operation stops when the time of timer has reached the set time 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 DON OFF FAN MODE C8 VENT RESET TEST 2 FILTER 1 Push TIMER SET button amp ea co The timer display type changes for every push of the button Ni e SET TIME and timer time displays flash CRM OFF timer Repeat OFF timer No display 2 Push QE to select SET TIME For every push of button the set time increases in the unit of 0 5 hr 30 minutes The maximum set time is 72 0 hr For every push of button the set time decreases in the unit of 0 5 hr 30 minutes The minimum set time is 0 5 hr 3 Push SET button display disappears and timer time display goes When ON timer is activated timer time ON timer are displayed and other displays disappear Cancel of timer operation 4 Push CL button TIMER display disappears NOTICE When the operation stops after the timer reached the preset time the Repeat OFF timer r
56. of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that for R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size Projection margin in flaring B Y B Unit mm EE ZU Rigid Clutch type R410A tool used Conventional tool used Outer diam of copper pipe Raion R22 R410A R22 6 4 0 to 0 5 Same as left 1 0 to 1 5 0 5 to 1 0 9 5 0 to 0 5 Same as left 1 0 to 1 5 0 5 to 1 0 12 7 0 to 0 5 Same as left 1 0 to 1 5 0 5 to 1 0 Imperial Wing nut type Outer diam of copper pipe R410A R22 6 4 1 5 to 2 0 1 0 to 1 5 9 5 1 5 to 2 0 1 0 to 1 5 Tightening torque of flare pipe connections Pressure of R410A is higher than that of R22 by approx 1 6 times Therefore using a torque wrench tighten the flare pipe connecting sections which connect the indoor and outdoor units of the specified tightening torque Incorrect connections may cause not only a gas leak but also a trouble of the refrigerating cycle St If an excessive torque is applied the nut may crack depending on the installation conditions Airtight test Air purge etc For airtight test air purge addition of refrigerant and gas leak check follow the Installation Manual attached to the outdoor unit 12 7 2 0 to 2 5 1 5 to 2 0 Connection of ref
57. output error Outdoor fan IPDU error 01 Comp 1 side 02 Comp 2 side G TR short protection error IPDU 01 Comp 1 side 02 Comp 2 side Comp position detective circuit system error IPDU e 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 AI NET Error detected by TCC LINK central control device Check code Wireless remote controller Sensor block display Central control Outdoor 7 segment display AI NET central of receiving unit Check code name device control display indication Auxiliary code Judging device ie Timer Ready Flash Sending error in TCC LINK central control device TCC LINK Receiving error in TCC LINK central control device TCC LINK Batch 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 65 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 AI NET check code TCC Link Used characters Hexadecimal notation 2 digits Alphabet Decimal notation 2 digits Char
58. priority is given to remote control ler air speed setup In A and B zones amp 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 When J zone is detected for 5 minutes the command frequency becomes SO to the outdoor unit In K zone the timer count is interrupted and held When 7 zone is detected the timer is cleared and the operation returns to the normal operation 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 gt 12 C 2 30 minutes passed after stop TC1 P1 10 5 Q1 0 C 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 50 to the outdoor unit In N zone the timer count is interrupted and held When shifting to M zone again the timer count restarts and continues If L zone is detected the timer is cleared and the opera tion returns to norm
59. pump incorporated model Part name P C board assembly Procedure Remarks 1 Detachment 1 Perform works 1 of 1 of and 1 of 2 Disconnect connectors which are connected from P C board assembly to other parts NOTE Unlock the lock of the housing to discon nect the connectors CN40 Indoor Outdoor communication 3P Blue Communication terminal block 2P CN41 Remote controller terminal 3P Blue Remote controller terminal block 2P CN67 supply terminal Black Terminal block CN100 TC1 sensor 3P Brown CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN333 Fan motor power supply 5P White CN334 Detection of fan motor position BP White Relay connector CN82 PMV lead 6P Blue In case of drain pump incorporated model CN34 Float SW Red CN68 pump lead 3P Blue 3 Unlock the lock of the card edge spacer and then remove P C board assembly P C board assembly 2 Attachment 1 Attach P C board assembly to the card edge spacer 2 Using wires connect connectors as before which were disconnected in procedure 1 2 of NOTE Check there is no missing or poor contact of the connectors Multi blade fan case fan lower case fan upper case 1 Detachment 1 Perform work 1 of 2 Take off hanging hooks at both sides of the lower fan case to remove fan lower case 3 Remove the upper fan case whil
60. risk of exposure to combustible gas Should the combustible gas leak and collect near the unit fire may occur Upon approval of the customer install the air conditioner in a place that satisfies the following conditions Place where the unit can be installed horizontally Place where a sufficient servicing space can be ensured for safe maintenance and check Place where drained water will not cause any problem Avoid installing in the following places Place exposed to air with high salt content seaside area or place exposed to large quantities of sulfide gas hot spring Should the unit be used in these places special protective measures are needed Place exposed to oil vapor oil smoke or corrosive gas Place where organic solvent is used nearby Place close to a machine generating high frequency Place near door or window where may come to contact with the fresh air of high humidity Dewing may be caused Place where special spray is frequently used Place with poor ventilation Installation under high humidity atmosphere In some cases including the rainy season especially inside of the ceiling may become high humidity atmosphere dew point temperature 23 C or higher 1 Installation to inside of the ceiling with tiles on the roof 2 Installation to inside of the ceiling with slated roof 3 Installation to a place where inside of the ceiling is used for pathway to intake the fresh air n t
61. so that it does not come to contact with the high temperature part of the pipe The coating may melt resulted in an accident After connecting wires to the terminal blocks provide a trap and fix wires with the wire clamp Store the refrigerant piping line and control wiring line in the same line Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes 8 ELECTRIC WORK Power supply cord and communication wires specifications Power supply cord and communication wires are procured locally For the power supply specifications follow to the table below If capacity is little itis dangerous because overheat or Seizure may be caused For specifications of the power capacity of the outdoor unit and the power supply wires refer to the Installation Manual attached to the outdoor unit Indoor unit power supply For the power supply of the indoor unit prepare the exclusive power supply separated from that of the outdoor unit Arrange the power supply earth leakage breaker and main switch of the indoor unit connected to the same outdoor unit so that they are commonly used e Power supply cord specification Cable 3 core 2 5mm in conformity with Design 60245 IEC 57 Power supply 220V 50Hz Power supply switch Earth leakage breaker or power supply wiring fuse rating for Power supply indoor units should be selected by the accummulated total current values of the indoor units
62. start error VF Indoor is nothing during automatic addressing VF 00 Capacity over 101 No of connected units Capacity over No of connected indoor units VF Communication error between indoor units Indoor 00 Header is nothing 102 Two or more header units Outdoor header units quantity error VF 101 Outdoor of other line 1 connected 1 02 Indoor of other line connected Other line connected during automatic address Sending error in communication between outdoor units Duplicated follower outdoor addresses T No of outdoor units which received signal normally Decrease of No of connected outdoor units Detected outdoor unit number Follower outdoor unit error 101 IPDU1 error IPDU2 error IPDU1 2 error Fan IPDU error 05 IPDU Fan IPDU error 06 IPDU2 Fan IPDU error 107 AI IPDU error IPDU communication error 8v 1 1 TROUBLESHOOTING Check code Wireless remote controller Main remote controller display Outdoor 7 segment display Auxiliary code AI NET central control display Sensor block display of receiving unit Operation Timer Ready Flash Check code name Judging device F01 oF ALT Indoor TCJ sensor error Indoor Fo2 0 ALT Indoor TC2 sensor error Indoor F03 93 ALT Indoor TC1 sensor error Indoor F04 19
63. static pressure 35Pa 4 Lower limit of external static pressure 35Pa Upper limit of 30 external static 20 Upper limit o External static pressure Pa Lower limit of external static pressure 20Pa external static 10 600 700 Air volume m3 h 800 50 MMD AP0121SPH SH Standard air volume 600m3 h 60 High 50Pa Upper limit of external static pressure 50Pa 50 1 l Lower limit of external static pressure 50Pa High 35Pa 40 D oa Upper limit of external static 5 pressure 35Pa Low 50 Lower limit of 9 external static a 30 pressure 35Pa o I High Uv Upper limit of 20Pa external static c pressure 20Pa D Low 35Pa 20 Lu Lower limit of external static wr pressure 20Pa Upper limit of external static High pressure 10Pa Low 20Pa 10Pa I 10 Low 10Pa 1 Standard filte 0 pressure loss 300 400 500 600 700 Air volume m3 h MMD AP0181SPH SH Standard air volume 780m3 h 60 External static pressure Pa 50 40 30 20 10 0 400 High 50Pa l Lower limit of external static pressure 50Pa Upper limit of external static pressure 50Pa ey Upper limit o external static pressure 35Pa Lower limit of external static Upper limit of external static pressure 20Pa Low 50Pa x pressure 35Pa Upper lim
64. the air conditioner securely in a location where the base can sustain the weight adequately Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas might generate Electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive power supply An insufficient power supply capacity or inappropriate installation may cause fire Use the specified wires for wiring connect the terminals securely fix To prevent external forces applied to the terminals from affecting the terminals Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock Do not install the air conditioner in a location subject to a risk of exposure to a combustible gas If a combustible gas leaks and stays around the unit a fire may occur GE 2 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER This air conditioner adopts the new HFC refrigerant R410
65. 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 In case of check from indoor remote controller See Main remote controller display in the list In case of check from outdoor unit See Outdoor 7 segment display in the list n case of check from AI NET central control remote controller See AI NET central control display in the list 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 2 Sensor block display Main Dutdo r 7 segment display AI NET central of receiving unit Check code name controller display Sub code control display Operation Timer Ready Flash Judging device Communication error between indoor and remote controller Detected at remote controller side Remote controller a e e Remote nding error of rem ntroller Sending error of remote controllel controller Communication error between indoor and remote controller Detected at indoor side indoor Communication circuit error between indoor and outdoor Detected at indoor side Indoor No of ind
66. unit 2 Check that all the valves of the outdoor unit are fully opened Never push the electromagnetic contactor to carry out a forced test operation It is very dangerous because a protective device does not work starting time keep power ON condition before 12 hours or more How to execute test operation In case of wireless remote controller Procedure Description Remove a small screw which fixes the nameplate of the receiver unit 1 Remove the nameplate of the sensor 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 D and Execute a test operation with button on the wireless remote controller LED flash during test operation 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 To carry out a fan operation in a single indoor unit turn off the power once short CN72 on P C board and then 9v turn on the power again Start the unit in FAN mode In this case do not forget to clear short circuit of CN72 after test operation Using the remote controller check the operation in the usual operation For the operation procedure refer to the attached Owner s Manual A forced test operation can be executed in the following procedure under condition o
67. will operate n the indoor unit which thermostat is OFF or operates in FAN mode lamp goes on 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 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 th
68. within 850mm from the bottom surface of the indoor unit Draw out the drain pipe within 300mm from the end of the drain pipe connecting port of the indoor unit and then raise it vertically After the drain pipe has been raised set a grading so that it is immediately bent downward Rising up 687mm or less Rising up 850mm or less 300mm or less Indoor unit Underneath of ceiling 5 1 5 Check the draining After drain piping work check that water drain is properly performed and water does not leak from the connecting part of the pipes In this time check also there is no abnormal sound of the motor of the drain pump Be sure to check draining when installed in the heating period When the electric work has finished Pour water as shown in the following figure check water is drained from the drain pipe connecting port in COOL mode and then check there is no water leak from the drain pipes When the electric work has not finished Pull out the float switch connector 3P Red from P C board connector CN34 Red of the electric parts box In this time be sure to check the power is turned off Connect the single phase 220V 50Hz power to the terminal blocks R L and S N Never apply 220V to A B U1 and U2 otherwise a trouble of P C board occurs Pour water referring to the figure Amount 1500cc to 2000cc When the power is turned on the drain pum
69. 0 22 e e e ajajaja jajajaj a ALT High pressure protective operation VF 10 IGBT short 11 Fan motor position 1 detective circuit error 13 Fan motor trouble TH sensor temp error Heat sink overheat D TH sensor error i E Vdc output error Outdoor fan IPDU error 101 Comp 1 side P26 92 Comp 2 side G TR short protection error 101 Comp 1 side 02 Comp 2 side e Comp position detective circuit system error e Other indoor unit error Group terminal unit error By alarm device Error in indoor group AI NET communication system error Error detected by TCC LINK central control device Check code Wireless remote controller Central control device indication Outdoor 7 segment display Auxiliary code AI NET central control display Sensor block display of receiving unit Operation Timer Ready Flash Duplicated network adaptors Check code name Judging device C05 Sending error in TCC LINK central control device TCC LINK C06 Receiving error in TCC LINK central control device TCC LINK C12 Batch alarm of general purpose equipment control interface General purposeequipment VF P30 Differs according to error contents of unit with occurrence of alarm Terminolo TCC LINK
70. 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 IC error VF 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 Operan Timer Ready Flash Indoor fan motor error Indoor Discharge temp TD1 error VF 01 Comp 1 side 02 Comp 2 side High pressure SW detection error IPDU 01 Phase missing detection 02 Phase order error 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 overflow 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 e e oao e e e ajajaja High pressure protective operation VF 0 IGBT short 1 Fan motor position detective circuit error Fan motor trouble C TH sensor temp error Heat sink overheat D TH sensor error E Vdc
71. 091SH C 0121SH C Nut Flare 1 4 IN Strainer Bonnet 0071SH C 0091SH C 0121SH C Bonnet 0151SH C 0181SH C Plate Inlet A Filter Noise Hose Drain Band Hose Remote Controller SX A3JE Remote Controller SX A11JE Remote Controller EX W2JE Remote Controller WH H1JE Owner s Manual MMY MAP1201HT8 MMD AP0071SPH AP0091SPH AP0121SPH AP0151SPH AP0181SPH MMD AP0071SPH C AP0091SPH C AP0121SPH C AP0151SPH C AP0181SPH C MMD AP0071SPH K AP0091SPH K AP0121SPH K AP0151SPH K AP0181SPH K MMD AP0071SH C AP0091SH C AP0121SH C AP0151SH C AP0181SH C 402 401 Location No Description 43050382 Sensor TC F6 43050398 Sensor TG F4 43150297 Sensor TC 134 Location No 43160478 43160509 4316V269 Description Terminal Block Terminal 4P P C Board Ass y MCC 1402 TOSHIBA CARRIER CORPORATION e CHOME 12 32 KONAN MINATOKU TOKYO 108 0075 JAPAN Copyright 2005 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
72. 0A 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 Use vacuum pump by attaching vacuum pump adapter 2 3 4 S 6 Also prepare the following equipments for other installation method and run check 1 2 Torque wrench Pipe cutter Reamer Pipe bender Level vial Clamp meter 2 Thermometer Hexagon wrench Opposite side 4mm Tape measure Metal saw 3 IInsulation resistance tester 4 Electroscope 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 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 the packed valve service ports at gas side liquid side and balance side of the outdoor unit Set the refrigerant cylinder on the electron balance connect the charge hose to connecting ports of the cylinder and the electron gauge and then charge the liquid refrigerant from the service port at liquid side Shield with the gauge manifold so that refrigerant does not flow to gas side Connect the charge hose to vacuum pump adaptor Open the packed va
73. 1 L2 Ln Total wire length of remote controller inter unit wiring L1 L2 Ln Up to 200m to noise etc Remote controller gt wiring Remote controller L1 x L2 Ln Remote controller inter unit wiring Max 8 units Cable connection REQUIREMENT Be sure to pass the wire through the wire connection port of the indoor unit Keep a margin Approx 100mm on a wire to hang down the electric parts box at servicing etc The low voltage circuit is provided for the remote controller Before remove the electric parts cover remove the cover plate Remove the cover of the electric parts box by taking off the mounting screws 2 positions and pushing the hooking section The cover of the electric parts box remains hanged to the hinge Tighten the screws of the terminal block and fix the wires with cord clamp attached to the electric parts box Do not apply tension to the connecting section of the terminal block Be sure to set a loop for the connecting wire of the storing part of the indoor unit electric parts otherwise the electric parts box cannot be drawn out in service time Mount the cover of the electric parts box without pinching wires Control wire Power supply cord Cable cramp Remote controller wire Electric parts box cover Earth line Power supply cord Cover plate vv 8 ELECTRIC WO
74. 1 and SV42 Check valve open status of indoor PMV Check 4 way valve error Check refrigerant shortage Check SV5 leak Check SV11 circuit Wiring OFF at one side only 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 connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connectors Check miswiring of SVS SVD valves Low pressure protective operation All stop Low pressure Ps detected operation lower than 0 02MPa Check full opening of service valve Discharge gas suction gas and liquid side Check outdoor PMV clogging PMV1 2 Check SV circuit and SV4 circuit error 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 Check refrigerant shortage Check clogging of circuit at auxiliary heat exchanger side PMV3 SV12 check valve Check 4 way valve error Reversal error 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 co
75. 100 100 100 3 100 100 J 100 J 100 100 100 100 100 9 825 825 Be sure to mount an air filter to the air inlet side otherwise decrease of capacity and etc may be caused lt Under air inlet gt lt Back air inlet gt Air filter Main unit lt Force Remove the filter from the main unit while pushing down on the tabs N CAUTION Take out this cover plate I Remove the cover plate and i then fix it to the bottom surface 6 2 Connecting method of the duct Heat insulator with sticking material 100mm width Local supply h Flange Local supply Aluminum tape Local supply Flange Connect anse e Duct Insulation material Aluminum tape Local supply Local supply Indoor unit Air outlet side Air inlet side Aluminum tape Local supply N N Aluminum tape Local supply A Cover a screw Under surface Heat insulator with sticking material 100mm width Local supply A CAUTION Incomplete heat insulation of the supply air flange and sealing may occur dewing resulted in falling of water drop Ge REFRIGERANT PIPING WARNING If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After the installation work confirm that refrigerant gas does not leak If refrigerant gas le
76. 11 Blue Correct SV4 SV5 SV11 Are following items concerned to indoor fan motor normal 1 Connector connection 2 Condenser 3 Motor 4 Fan valve circuits Repair faulty parts YES Cleaning Check indoor P C board Failure Replace Does not refrigerant bypass from discharge of suction through 4 way valve YES gt Check 4 way valve Is connector connection or coil normal Repair faulty parts NO YES YES Refrigerant shortage or YES Nn died 0 gt Check piping clogging or pipe deformed Is there clogging on whole valve Replace PMV body NO Is outdoor fan normally z Is compressor normal Note 2 NO gt Compressor error Check outdoor Is indoor fan system normal YES Note 2 Check the following items mainly A 2 Fan crack I F P C board 1 Existence of abnormal sound and abnormal vibration during operation at start time Operated in heating season Fan coming off Failure Replace 2 Abnormal overheat of case during operation or stop Never touch with hands YES 3 Current of compressor lead during operation or starting No rapid current change YES Is there clogging of Cleaning outdoor heat exchanger Check flow selector unit NO Repair faulty parts YES Is flow selector unit normal NO Refrigerant shortage NO Is outdoor PMV normal
77. 12V 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 O O O e O e O 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 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 Demand input OV 117 Indoor unit forced thermostat OFF operation 10 DETACHMENTS Part name Procedure Remarks REQUIREMENT Be sure to put on gloves at working otherwise an injury may be caused by parts etc Before replacement of t
78. 151287 43179126 43060029 43079249 43180327 4316V194 4316V195 4316V196 4316V197 4311M422 Description Bushing Socket 0071SPH 0091SPH 0121SPH 0071SPH K 0091SPH K 0121SPH K Socket 1 2 0151SPH 0181SPH 0151SPH K 0181SPH K Nut Flare 1 2 IN 0151SPH 0181SPH 0151SPH K 0181SPH K Nut Flare 3 8 IN 0071SPH 0091SPH 0121SPH 0071SPH K 0091SPH K 0121SPH K Nut Flare 1 4 IN Strainer Bonnet 0071SPH 0091SPH 0121SPH 0071SPH K 0091SPH K 0121SPH K Bonnet 0151SPH 0181SPH 0151SPH K 0181SPH K Plate Inlet A Pump Drain ADP 1409 Switch Float FS 0218 102 Rubber Pump Drain Filter Noise Band Hose Air Filter Remote Controller SX A3JE Remote Controller SX A11JE Remote Controller EX W2JE Remote Controller WH H1JE Owner s Manual MMY MAP1201HT8 MMD AP0071SPH C AP0091SPH C AP0121SPH C AP0151SPH C AP0181SPH C E ey 220 202 228 5 225 226 229 230 5 223 224 211 210 203 221 130 Location No 43121715 43146555 43146677 43120222 43170232 4314J239 43122084 43122085 4314J261 43146678 43146679 43100319 43172183 43194051 43179129 43170240 43100321 43049697 43179133 43149314 43146671 Description Motor Fan SWF 280 60 1 60W Motor PM V
79. 3C 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 SV41 OFF SV42 ON sk PMV1 PMV2 opening Displays opening data Decimal Total opening 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 1 Initial display Oil level judgment result A Judgment result of compressor 1 in 4 compressor 2 in 0 Normal 1 2 Shortage is displayed 110 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 Symbol display for 1 sec and data display for 3 sec are TD2 sensor data alternately displayed Symbol Data is displayed in Data TS1 sensor data Negative data is displayed
80. 81SH C 204 y AW 202 220 228 214 218 227 210 211 NX 223 224 225 203 221 226 229 230 132 Location No 43121715 43146555 43146677 43120222 4314J239 43122084 43122085 4314J261 43146678 43146679 43100319 43172183 43194051 43179129 43100321 43049697 43149314 43146671 Description Motor Fan SWF 280 60 1 60W Motor PM V EDM MD12TF 3 Valve PM V EDM B25YGTF 3 0071SH C 0091SH C 0121SH C Fan Multi Blade 140DIA 180L Evaporator Ass y 0151SH C 0181SH C Case Fan Lower Case Fan Upper Evaporator Ass y 460L 0071SH C 0091SH C 0121SH C Distributor Ass y 0071SH C 0091SH C 0121SH C Distributor Ass y 0151SH C 0181SH C Plate Inlet B Pan Ass y Drain ABS PS F Socket Cap Drain Flange Bonnet Sheet PM V Valve PM V EDM B40YGTF 30 0151SH C 0181SH C 133 Location No 43196109 43194026 43194080 43194081 43047546 43047545 43147662 43047609 43047303 43100320 43060029 43170234 43179130 4316V194 4316V195 4316V196 4316V197 4311M422 Description Bushing Socket 0071SH C 0091SH C 0121SH C Socket 1 2 0151SH C 0181SH C Nut Flare 1 2 IN 0151SH C 0181SH C Nut Flare 3 8 IN 0071SH C 0
81. A which does not deplete the ozone layer R410A refrigerant is apt to be affected by impurity such as water oxidizing membrane or oils because the pressure of R410A refrigerant is higher than that of the former refrigerant by approx 1 6 times Accompanied with adoption of the new refrigerant refrigerating oil has been also changed Therefore pay attention so that water dust former refrigerant or refrigerating oil does not enter into the refrigerating cycle of the new refrigerant air conditioner during installation work To prevent from mixing of refrigerant or refrigerating oil the size of charge port of the main unit or connecting section of installation tool differs from that of the air conditioner for the former refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A as shown below For connecting pipes use the new and clean piping materials so that water or dust does not enter Required tools and cautions on handling It is necessary to prepare the tools and parts as described below for the installation work The tools and parts which will be newly prepared in the following items should be restricted to the exclusive use Explanation of symbols Newly prepared It is necessary to use it properly exclusive to R410A separated from those for R22 or R407C O Former tool is available Used tools Usage Proper use of tools parts Gauge manifold Vacuuming or charging of refrigerant and oper
82. Automatic address start error VF Indoor is nothing during automatic addressing VF 00 Capacity over 101 No of connected units Capacity over No of connected indoor units VF Communication error between indoor units Indoor 00 Header is nothing 02 Two or more header units Outdoor header units quantity error VF 1 01 Outdoor of other line 1 connected 1 02 Indoor of other line connected Other line connected during automatic address Sending error in communication between outdoor units Duplicated follower outdoor addresses T No of outdoor units which received signal normally Decrease of No of connected outdoor units Detected outdoor unit number Follower outdoor unit error 101 IPDU1 error 102 IPDU2 error 1 03 IPDU1 2 error 04 Fan IPDU error 05 IPDU Fan IPDU error IPDU communication error F16 43 ALT Outdoor pressure sensor miscabling Pd Ps VF F23 43 ALT Ps sensor error VF F24 43 ALT Pd sensor error VF F29 12 SIM Indoor other error Indoor F31 SIM Indoor EEPROM error VF H01 Comp 1 side Comp 2 side e jajajajajaja a ajajajajajajajaja a jajajajajaja a jajajajajajajajaja O Compressor break down IPDU 2 Comp 1 side Comp 2 side Magnet switch error Overcurrent relay
83. Defect gt Replace um NO s the end terminal resistance setup of outdoor unit normal Correct the end terminal resistance setup YES NO 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 YES Is communication cabling between un remote controller and indoor unit correct Correct the communication cabling YES aware Is there no noise etc Check noise etc and eliminate it if any YES NO t is not displayed on 7 segment display of the central control controller Y Check indoor P C board Defect Replace Sending circuit error inside of the remote controller Replace remote controller For details refer to Troubleshooting in test operation Check code E06 04 d07 AI 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 erro
84. EDM MD12TF 3 Valve PM V EDM B25YGTF 3 0071SPH C 0091SPH C 0121SPH C Fan Multi Blade 140DIA 180L Hose Drain 25A Evaporator Ass y 0151SPH C 0181SPH C Case Fan Lower Case Fan Upper Evaporator Ass y 460L 0071SPH C 0091SPH C 0121SPH C Distributor Ass y 0071SPH C 0091SPH C 0121SPH C Distributor Ass y 0151SPH C 0181SPH C Plate Inlet B Pan Ass y Drain ABS PS F Socket Cap Drain Hose Drain Flange Bonnet Band Hose Sheet PM V Valve PM V EDM B40YGTF 30 0151SPH C 0181SPH C 131 Location No 43196109 43194026 43194080 43194081 43047546 43047545 43147662 43047609 43047303 43100320 43121735 43151287 43179126 43060029 43079249 4316V194 4316V195 4316V196 4316V197 4311M422 Description Bushing Socket 0071SPH C 0091SPH C 0121SPH C Socket 1 2 0151SPH C 0181SPH C Nut Flare 1 2 IN 0151SPH C 0181SPH C Nut Flare 3 8 IN 0071SPH C 0091SPH C 0121SPH C Nut Flare 1 4 IN Strainer Bonnet 0071SPH C 0091SPH C 0121SPH C Bonnet 0151SPH C 0181SPH C Plate Inlet A Pump Drain ADP 1409 Switch Float FS 0218 102 Rubber Pump Drain Filter Noise Band Hose Remote Controller SX A3JE Remote Controller SX A11JE Remote Controller EX W2JE Remote Controller WH H1JE Owner s Manual MMY MAP1201HT8 MMD AP0071SH C AP0091SH C AP0121SH C AP0151SH C AP01
85. EEPROM of each outdoor unit is displayed It is used when confirming the error code after power supply has been reset Set SWO01 to 03 as shown in the following table and the push SW04 for 5 seconds or more to display an error code 7 segment display A Display contents The latest error code of the header unit 1 U1 The latest error code of the follower unit 1 U2 The latest error code of the follower unit 2 U3 B 7 segment display A B Display A yo SEE m D600 0601 D602 0603 0604 8 7 Sensor Characteristics Indoor Unit B Temperature sensor characteristics Characteristic 1 40 200 20 Indoor TA sensor E X Characteristic 2 9 30 2 150 g ge nm o 2 2 20 9 100 ge g go 9 2O S oO 0 ro 10 2 50 ra 0 10 20 30 40 50 80 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature Temperature 112 ELL Wired remote controller Up to 2 units Weekly timer Function setup i Function setup Remo controll Communic circui Key switch Indoor unit 1 Network adaptor Option Indoor control P C board MCC 1402 controller communication circuit Central control rem ntroller Option In case of AI NETWORK CPU H8 3039 circuit Driver Transformer TCJ sensor 4 Float input CPU Outside TTMP88CH N f Slim Duct type 47FG TMP88PH
86. 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 Open phase negative phase All stop Open phase was detected Check outdoor power line when the power turned on Check outdoor PC board I F error Negative phase was detected when the power turned on 8Z 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 Check code name Heat sink overheat error Status All stop Error detection condition Check item position IGBT built in temp sensor TH was overheated Check power voltage Check outdoor fan system error Check clogging of heat sink cooling duct Check fixation between IGBT and heat sink Check screwing and contact 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 Check operation of drain pump unit Check the drain pump circuit Check clogging of drain pipe Check indoor PC board error Float switch operated Float switch circuit disconnected or the connector came off
87. Flaring diam meter size Cut the pipe with a pipe cutter A Unit mm OK NO GOOD Outer diam of 907 Obliquity Roughness Warp A a A 6 4 9 5 Insert a flare nut into the pipe and flare the pipe As the flaring sizes of R410A differ from those of 127 refrigerant R22 the flare tools newly manufactured for R410A are recommended However the conventional tools can be used by adjusting projection margin of the copper pipe n case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that for R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size ov 7 REFRIGERANT PIPING Projection margin in flaring B B Unit mm m ZU R410A tool used Conventional tool used Rigid Clutch type Outer diam of copper pipe n 440A R22 R410A R22 6 4 0 to 0 5 Same as left 1 0 to 1 5 9 5 0 to 0 5 Same as left 1 0 to 1 5 12 7 0 to 0 5 Same as left 1 0 to 1 5 Imperial Wing nut type Outer diam of copper pipe R410A R22 6 4 1 5 to 2 0 1 0 to 1 5 9 5 1 5 to 2 0 1 0 to 1 5 Tightening torque of flare pipe connections Pressure of R410A is higher than that of R22 by approx 1 6 times Therefore using a torque wrench tighten the flare pipe connecting sections which connect the indoor and outdoor units of the specified tig
88. Hose band Attached heat insulator Tighten the banding band attached heat insulator Not pushed excessively LV 6 AIR DUCTING 6 1 Arranging the Duct connection port Referring to the following dimensions manufacture duct at the local site Be sure to mount an air filter to the air inlet side at the local site otherwise decrease of capacity and etc may be caused lt Under air inlet gt lt Back air inlet gt eG Wer NS CZ N CAUTION Take out this cover plate vox Remove the cover plate and then fix it to the bottom surface 9 805 5 805 19 el EI TT T TT S S e oO N fo e 8 S 12 5 125 9 12 5 12 5 c 100 100 100 100 100 100 100 100 100 100 100 100 1004 100 100 100 E 825 825 6 2 Connecting method of the duct Heat insulator with sticking material 100mm width Local supply A Connect a ductto the Flange Local supply Aluminum tape inside of the flange m tape Local supply Flange Local supply Duct Insulation material Local supply Indoor unit Air outlet side Air inlet side A CAUTION Incomplete heat insulation of Aluminum tape Alumi Local supply uminum tape Local supply
89. LS Change of lighting term of filter sign According to the installation condition the lighting term of the filter sign Notification of filter cleaning can be changed Follow to the basic operation procedure 1525 354555 6 For the item code in Procedure 3 specify 01 For the Set data in Procedure 4 select the setup data of filter sign lighting terme from the following table Setup data Filter sign lighting term 0000 None 0001 150H 0002 2500H At shipment from factory 0003 5000H 0004 10000H To secure better effect of heating When it is difficult to obtain satisfactory heating due to installation place of the indoor unit or structure of the room the detection temperature of heating can be raised Also use a circulator etc to circulate heat air near the ceiling Follow to the basic operation procedure 1525 354555 6 For the item code in Procedure 3 specify 06 For the set data in Procedure 4 select the setup data of shift value of detection temperature to be set up from the table below Setup data Detection temp shift value 0000 No shift 0001 1 0002 2 At shipment from factory 0003 3 C 0004 4 C 0005 5 C 0006 6 C Group control In a group control a remote controller can control up to maximum 8 units For cabling procedure and cables of the individual line Identical refrigerant line
90. PDU error 07 All IPDU error 63 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 Operation Timer Ready Flash 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 gt gt gt gt gt gt gt gt gt gt TS1 TS2 sensor error VF 01 Comp 1 side 02 Comp 2 side TH sensor error IPDU Outdoor temp sensor misconnecting TE TL VF Outdoor pressure sensor misconnecting Pd Ps VF Ps sensor error VF gt gt gt gt gt 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 nuiiunmnunuimuunuinmunmnuimu O ee Magnet switch error Overcurrent relay operation Compressor error lock MG SW Overcurrent relay IPDU 01 Comp 1 side 02 Comp 2 side C
91. Power 1 i supply supply l Outdoor Outdoor unit 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 3 None for SH series Hy 19 04 U0D 9 0W91 SS9 9JIM JO UOIJISUUOI GLL Indoor unit 1 Wired remote controller Weekly timer driver Function setup Key switch _ CN2__CN1 3 DC5V Power circuit Power Secondary circuit batter Network adaptor Option Wireless remote Indoor control P C board MCC 1402 controller communication circuit Central control X ALNET remote controller mum M Option Y circuit ME In case of AI NETWORK Power Switch circuit setup communication communication circuit Power circuit circuit controller kit Sensor PC board Driver Transformer Louver motor None for Slim Duct type Drain TMP88PH 47FG Fan motor control circuit Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN Remote EEPROM Remote Emergent operation SW controller controller Function setup SW Display LED iu H8 3039 Float input None for Concealed Duct signal input circuit circuit Max 8 units are connectable
92. 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 refriger 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 m
93. RESET TEST Procedure Description When pushing buttons simultaneously for 4 seconds or more the below display appears If Service Check is displayed the mode enters in the error history mode 01 Error history order is displayed in code number window Check Code is displayed in check code window A ae pe It RL Indoor unit address with error is displayed in UNIT No amp nF Every pushing temp set CY CA buttons the error histories stored the memory are displayed 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 button to return to the usual display 67 In case of central remote controller TCB SC642TLE TTR IRD 8 1 9 21102 112 127 13 14 15 016 988 1 PICS HCO ae fn ol IN es nn UB tig met PLU GROUP 28088 AAMMO BIC amp c E _ JC v 7 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
94. RK Remote controller wiring As the remote controller wire has no polarity there is no problem if connections to indoor unit terminal blocks A and B are reversed Wiring diagram Terminal block for remote controller wiring of indoor unit A DA Remote 28 7 p Ar eis Remote controller wire Field supply Terminal block Wiring between indoor and outdoor units Wiring example gt An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically the header unit Outdoor Power supply Outdoor Power supply 380V 50Hz 380V 50Hz Earth leakage Earth leakage breaker breaker Header outdoor unit Header outdoor unit amp Control wiring between outdoor units control wiring between indoor and outdoor units Control wiring between indoor units D ES AE Exchange of applicable control setup f Basic operation procedure for setup exchange Change the setup while operation of the equipment stops Be sure to stop the operation of a set 9 APPLICABLE CONTROLS NOTIFICATION When using the equipment at the first time it will take a lot of time that the remote controller accepts an operation after power was on However it is not a trouble Automatic address While automatic addressing the operation cannot b
95. TA sensor connector Check characteristics of TA sensor resistance value Check indoor P C board error TS1 TS2 Sensor error Check connection of TS1 or TS2 sensor connector Check characteristics of TS1 TS2 sensor resistance value Check outdoor PC board I F error All stop Resistance value of sensor is infinite or zero Open Short cL Check code Outdoor 7 segment display central control controller Check code Sub code 01 Compressor 1 side 02 Compressor 2 side remote controller Detected position Check code name TH sensor error Status All stop Error detection condition Check item position 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 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 specified Check outdoor P C board I F error value continued for 3 minutes or more Outdoor pressure sensor miscabling Pd Ps All stop High pressure Pd sensor Check connection of high pressure Pd sensor connector low pressure Ps sensor were Check connection of low pressure Ps sensor connector exchanged r output voltages Check pressure
96. TOSHIBA Carriea Cominication Link L20 is displayed Group control branching unit error Duplicated central control addresses TCC LINK New check code 1 Difference between the new check code and the current system The displaying method of the check code changes in this model and after Check code in current system New check code Used characters Hexadecimal notation 2 digits Alphabet Decimal notation 2 digits Characteristics of code classification Few classification of communication incorrect setup system Many classification of communication incorrect setup system Block display Indoor P C board Outdoor P C board Cycle Communication Display on wired remote controller A goes on UNIT No Check code Operation lamp Green flash Display on sensor part of wireless Block display of combination of 2 1 Display on indicater on wiress remote controller receiver part gt Unit No and check code are displayed In a case of error with auxiliary code check code and auxiliary code are displayed alternately Communication Incorrect setup 4 ways Indoor protection Outdoor protection Sensor Compressor protection etc Display Classification Unused Central control system error Communication system error Each sensor error Failure Compressor protective system error Unused Setup error Ot
97. TOSHIBA FILE NO A05 006 SERVICE MANUAL _SUPER SUPER MODULAR MULTI lt Slim Duct Type gt MMD AP0071SPH C p MMD AP0091SPH C MMD AP0121SPH C MMD AP0151SPH C MMD AP0181SPH C Q MMD AP0071SH MMD This Service Manu nts of the new Slim Duct indoo CONTENTS SAFETY CAUTION neural ea ioni wer mag eb EB nd ia de 3 1 CONSTRUCTION VIEWS EXTERNAL VIEWS 8 2 WIRING DIAGRAM iciiocssuezun soi sante nee Modem Ce cana nC CY eL IR 9 PARTS RATING scan e 10 4 FAN GHARAGCTERIS TICS 6 wccnivisintestsddccaveucsetecccedeuarennmesassnssecvacddddunsresutnves 50 5 REFRIGERANTING CYCLE 52 6 CONTROL OUTLINE nca da n x rna FR unub enean 53 7 APPLIED CONTROL ua aca bank a aqui Ei caa KE est as 57 8 TROUBLESHOOTING Cc wg ee e o occ tie 62 9 CONFIGURATION OF CONTROL CIRCUIT 113 10 pie m o 118 11 P C BOARD EXCHANGE PROCEDURES 123 12 EXPLODED VIEWS AND PARTS LIST 128 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 de
98. Using temperature setup Cy Ca buttons set to the item code DN 5 Using the timer time buttons set the capacity code For example 0012 indicates 027 type Refer to the attached table SET 6 Push button OK if display goes on 7 Push 2 button to return to the normal stop status 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 Using temperature setup Gy Ca buttons set 4 to the item code DN Lighting time setup for filter sign 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 buttons so that it matches with contents noted in a memo and then push e button OK if display goes on 2 Do nothing if data is same as those in the memo Using temperature setup Ca buttons change the item code DN Check also the contents of the setup data and then change them it to those in the memo Then repeat operations in items 6 and 7 TEST After setup operation push 2 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 indoo
99. a value 2 0003 3 deg Ts 1 5 Automatic restart of power failure 0000 None 0001 Restart None Operation condition of humidifier 0000 Usual 0001 Condition ignored Detection control for heat exchanger temperature Usual Selection of option error input CN70 0000 0001 0002 Filter input None Alarm input Air washer etc None HA terminal CN61 select 0000 Usual 0001 Leaving ON prevention control Usual HA terminal Automatic elevating grille 0000 Unavailable 0001 Available Unavailable Ventilating fan control 0000 Unavailable 0001 Available Unavailable TA sensor selection 0000 Body TA sensor 0001 Remote controller sensor Body TA sensor Temperature unit select 0000 C at factory shipment 0001 F Drain pump control 0000 0002 None None 0001 Pump ON 0003 Pump OFF Pump OFF High ceiling selection Air volume selection 4 way Air Discharge Cassette type and Under Ceiling type 0000 Standard 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 0001 Super long life filter Standard Timer set Wired remote controller 0000 Available
100. acteristics 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 Displa Classification Display in wired remote controller gt ed A goes on UNIT No Check code Operation lamp Green flash Unused Central control system error Communication system error Display on sensor part in wireless remote controller Block display of combination of D amp Each sensor error Failure Compressor protective system error Display on 7 segment in outdoor unit gt Unused Unit No and check code are displayed Setup error Other errors In acase of error with auxiliary code the check code and the auxiliary code are displayed alternately Protective device operation 2 Special mention 1 If this model is connected to AI NET by network adaptor the different check codes are displayed on the main remote controller New check code display on new remote controller and AI NET central control remote controller AI NET check code display on AI NET central control remote controller Example Indoor TA sensor error AI NETWORK BUS AI NET central control Wired remote controller
101. ak check Check with a leak detector or soap water whether gas leaks or not from the pipe connecting section or cap of the valve Use a leak detector manufactured exclusively for HFC refrigerant R410A R134a etc 8 ELECTRIC WORK A WARNING 1 Using the specified wires ensure to connect the wires and fix wires securely so that the external strength of the wires do not transmit to the connecting part of the terminals Incomplete connection or fixation may cause a fire etc Be sure to connect earth wire Grounding work Do not connect the earth wire to gas pipe city water pipe lightning rod or the earth wire of telephone Incomplete grounding causes an electric shock For electric work strictly follow to the Local Regulation in each country and the Installation Manual and use an exclusive circuit Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire A CAUTION Be sure to install an earth leakage breaker If an earth leakage breaker is not installed an electric shock may be caused REQUIREMENT For power supply wiring strictly conform to the Local Regulation in each country For wiring of power supply of the outdoor units follow to the Installation Manual of each outdoor unit Never connect 220V power to the terminal blocks A B U1 U2 X Y etc for control wiring Otherwise the system will be failed Perform the electric wiring
102. aks into the room and flows near a fire source such as a cooking range noxious gas may generate REQUIREMENT When the refrigerant pipe is long set the support brackets to fix the pipe with 2 5 to 3m intervals If the pipe is not fixed abnormal sound may generate Be sure to use the flare nuts attached to the indoor unit or those fro R410A Permissible pipe length and permissible height difference They are different according to the used outdoor unit For details refer to the Installation Manual attached to the outdoor unit Piping material and dimensions Piping material Phosphor deoxidization joint less pipe for air conditioner Model MMD AP007 to APO12 AP015 to AP018 Gas side 09 5 012 7 Pipe size mm Liquid side 6 4 6 4 Use a clean and new pipe and check that impurity such as dust oil moisture etc does not adhere in the pipe Pipe forming End positioning 1 Cutthe pipe with a pipe cutter OK NO GOOD 907 Obliquity Roughness Walp 2 Insert a flare nut into the pipe and flare the pipe As the flaring sizes of R410A differ from those of refrigerant R22 the flare tools newly manufactured for R410A are recommended However the conventional tools can be used by adjusting projection margin of the copper pipe z Flaring diam meter size A Unit mm Outer diam of copper pipe 6 4 9 5 12 7 n case
103. al operation Reset conditions 1 TC1 gt 12 C and TC2 gt 12 C and gt 12 C 2 30 minutes passed after stop C P2 54 In a Model without TC2 TC2 is not judged Recovery control for cooling refrigerant and oil 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 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 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
104. allation 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 run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the front panel and cabinet Check after rerair Check the following items after reinstallation Q 1 The earth wire is correctly connected 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 o 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 o When the power was turned on start to work after the equipment has been New Refrigerant R410A This air conditioner adopts a new HFC type refrigerant
105. alve operation error Check code name Cause of operation 1 4 way valve error 2 TS1 sensor TE1 sensor error 3 Pd sensor Ps sensor error 4 TE sensor TL sensor misconnection Sub code Detected outdoor unit No Are TS1 TE1 connectors Is 4 way valve coil connector connected YES Pd Ps sensor connected NO NO YES Are characteristics YES of resistance value of TS1 and TE1 sensors normal NO YES Are connection YES Are output voltage characteristics of Pd and Ps sensors normal and installation of TE1 and TL sensors correct NO gt NO Reset the power supply and start heating test operation YES Does 4 way valve operate NO 4 way valve error NO Is the flow selector unit normal YES Does not discharge refrigerant gas bypass to suction side through 4 way valve 1 Check 4 way valve Correct connector connection 4 way valve coil CN317 Correct connector connection TS1 sensor CN504 TE1 sensor CN505 Pd sensor CN501 Ps sensor CN500 Replace sensor Replace sensor Correct connection and installation Replace the FS unit If an error did not occur in test operation restart the operation 1 Check TS and TE temperature of the outdoor unit which compressors is operated VF SW01 1 SWO2 6 SWO3 2 TS sensor t
106. ameplate of the sensor sec of the plate and set the Dip switch to TE ion by inserting a minus screwdriver etc into the notch at the bottom ST RUN D and LED flash during test Under status of TEST RUN ON the te Execute a test operation with button on the wireless remote controller peration mperature 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 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 After the test operation finished stop the switch of the receiver section as before A 60 minutes timer clearing function is a operation air conditioner from the wireless remote controller and return Dip tached to the receiver section in order to prevent a continuous test Receiver unit M4 x 25 screw Z Notch Small screw 2 pieces Spacer Nameplate 11 TROUBLESHOOTING When a trouble occurred in the air conditioner the check code and the indoor unit No appear on the display part of the remote controller The check code is only displayed during the operation CODE N gt r il 00 tE LA If the display disappears operate the air conditioner according to the following Confirmation of error history for confirmation Check
107. and other indoor unit is operating E10 CF Indoor unit Communication error between Corresponding There is any trouble in power Indoor PC board failure indoor P C board assembly unit only stops line 02 Check code Outdoor 7 segment display controller Check code Sub code AI NET central control remote controller Detected position Check code name Status Error detection condition Check item position 01 Indoor outdoor communication 02 Between outdoors communication 42 VF Automatic address start error All stop When indoor automatic address started other refrigerant circuit system was setting automatic address When outdoor automatic address started indoor automatic address was executed 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 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 Power failure Check indoor board error 00 Capacity over 01 to No of connected units No of connected indoor units Capacity over All stop Total capacity of indoor units exceeded 135 of total outdoor capacity
108. ange at discharge side and then push in 2 Using screws taken off in procedure 1 2 of attach under panel by holding with hands 3 Attach drain cap hose band and drain hose as before which were taken off in procedure 1 1 of NOTE Finally be sure to check there is no water leakage from each attached part 121 Drain cap or drain hose Never hold and pull the drain socket Part name Drain pump Float switch Drain hose Only for MMD AP0071SPH to AP0181SPH MMD 0071SPH C to AP0181SPH C MMD 0071SPH K to AP0181SPH K Procedure 1 Detachment 1 Perform works in procedures 1 of 1 of O 1 of 2 Disconnect lead wires which are connected to the following connectors of P C board assembly NOTE Unlock locks of the housing to remove the connectors CN34 float SW 3P Red CN68 Drain pump lead 3P Blue Loosen hose band remove cap of the drain hose and take off screws while holding the sheeting metal on which float switch and drain pump are put on Remove them with care that pipes are not damaged 4 10 2 pcs NOTE If the pipes are damaged refrigerant leak may be caused Take out them with great care 2 Attachment Remarks Drain hose Hose band Drain pump Y Do o omm Float switch 1 Attach ASSY sheeting metal which was removed in procedure 1 3 of 9 with care that pipes are not damaged and then fix it with screws 2 Insert the drain hose int
109. anger or ventilating fan 2272 Unavailable At shipment GGG Available 5 Push S button OK if display goes on 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 Ea returns the status to the usual stop status 2 Wiring Relay DC12V procured locally 4 way Air Discharge Cassette type CN32 Outside control 1 way Air Discharge Cassette type 2 series FAN DRIVE input of fan Concealed Duct Standard type model Slim Duct type 2P WHI Under Ceiling type Indoor control High Wall type P C board Corresponds up to a relay in which rated current of the Note Determine the cable length between the operation coil is approx 75mA indoor control board and the relay within 2m Other type models Correspond up to a relay in which rated current of the operation coil is approx 16mA Does not correspond to a terminal block type relay on the market 60 B Leaving ON prevention control Function This function controls the indoor units individually It is connected with cable to the control board of the indoor unit n a group control it is connected with cable to the indoor unit Control P C board and the item code ZZ is set to the connected indoor unit tis used when the start operation from outside if unnecessary but the stop operation is necessary Using a card switch
110. as 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 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 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 o 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 Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute vacuuming and then newly recharge the specified amount of liq
111. ation 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 are displayed on the display section of the remote controller In the following cases the protective device may work TEST e 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 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 Super Modular Multi system air conditioner Although each indoor unit can be individually controlled in the Super Modular 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
112. ation check Newly prepared Exclusive to R410A Charging hose Newly prepared Exclusive to R410A Charging cylinder Charges refrigerant Unusable Use the Refrigerant charging balance Gas leak detector Checks gas leak Newly prepared Vacuum pump Vacuum drying Usable if a counter flow preventive adapter is attached Vacuum pump with counter flow preventive adapter Vacuum drying O R22 Existing article Flare tool Flare processing of pipes O Usable by adjusting size Bender Bending processing of pipes O R22 Existing article Refrigerant recovery device Recovers refrigerant Exclusive to R410A Torque wrench Tightens flare nut 012 7mm Exclusive for 15 9mm Pipe cutter Cuts pipes O R22 Existing article Exclusive to R410A ID Refrigerant name entered Refrigerant cylinder Charges refrigerant Welding machine Nitrogen gas cylinder Welding of pipes O R22 Existing article Refrigerant charging balance Charges refrigerant O R22 Existing article 3 SELECTION OF INSTALLATION PLACE WARNING Install the air conditioner where there is sufficient strength to weight of the unit If strength is insufficient the unit may fall down resulting in human injury Perform a specified installation work to guard against an earth quake An incomplete installation can cause accidents by the units failing and dropping Install the air conditi
113. 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 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 Are COOL and HEAT selected simultaneously STANDBY indica tion is lit on the display column of the remote controller 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 Are COOL and HEAT selected simultaneously STANDBY indica tion is lit on the display column of the remote controller 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 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 18 61 parts Accessory pa
114. bling of TC1 sensor connector Check characteristics of TC1 sensor resistance value Check indoor P C board error TD1 sensor error Check connection of TD1 sensor connector Check characteristics of TD1 sensor resistance value Check outdoor PC board I F error All stop Resistance value of sensor is infinite or zero Open Short TD2 sensor error Check connection of TD2 sensor connector Check characteristics of TD2 sensor resistance value Check outdoor PC board I F error All stop Resistance value of sensor is infinite or zero Open Short TE1 sensor error Check connection of TE1 sensor connector Check characteristics of TE1 sensor resistance value Check outdoor PC board I F error All stop Resistance value of sensor is infinite or zero Open Short TL sensor error Check connection of TL sensor connector Check characteristics of TL sensor resistance value Check outdoor PC board I F error All stop Resistance value of sensor is infinite or zero Open Short TO sensor error Check connection of TO sensor connector Check characteristics of TO sensor resistance value Check outdoor PC board I F error All stop Resistance value of sensor is infinite or zero Open Short Indoor TA sensor error Indoor Corresponding Resistance value of sensor is unit only stops infinite or zero Open Short Check connection cabling of
115. cation 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 18 Check code Check code name Cause of operation E20 42 Unit connected to other line When starting automatic indoor address a d07 AI NET during automatic address device in other line is connected Sub code 01 Connection of outdoor in other line 02 Connection of indoor unit in other line Separate the wire between lines according to address setup method Check code Check code name Cause of operation 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 between outdoor units I F P C board error 3 End terminal resistance setup error between outdoor units YES Correct communication line lsthere no miscabling or di
116. check the error based upon the following Confir mation of error history Unit No display Alarm display UNIT No A o WB D mo ME 2 Alternate flashing display IU RC No 2 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 n this time the temperature cannot be set up 4 To confirm the alarm history other than the latest one push temp set 4 vw to select Item code 01 to 04 GROUP 5 To confirm the alarm in the other group push and C gt to select the group number Do 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 B d UNTNo CA I D mo 2 Alternate flashing display 7 Yu RC No 68 69 8 4 Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit 7 Segment Display of Interface Check code Main remote Outdoor 7 segment display AI NET central control Detected position Check code name Error detection condition Check item position
117. ciently withstand the weight 2 If the strength is insufficient the unit may fall down resulting in human injury Perform a specified installation work to guard against strong wind or earthquake An incomplete installation can cause accidents by the units falling and dropping REQUIREMENT Strictly comply with the following rules to prevent damage of the indoor units and human injury Do not put a heavy article on the indoor unit Even units are packaged Carry in the indoor unit as it is packaged if possible If carrying in the indoor unit unpacked by necessity be sure to use buffering cloth etc to not damage the unit To move the indoor unit hold the hooking metals 4 positions only Do not apply force to the other parts refrigerant pipe drain pan foamed parts or resin parts etc Carry the package by two or more persons and do not bundle it with PP band at positions other than specified 8 4 INSTALLATION OF INDOOR UNIT Opening hole on ceiling and placing of hanging bolt Considering the indoor unit and the hanged up piping wiring work determine the installation position and direction After installation position of the indoor unit has been determined open a hole on the wiring and place the hanging bolt For opening size of the ceiling and the hanging bolt pitch see the external view When the ceiling has already boarded draw the drain pipe refrigerant pipe inter unit wire between ind
118. cle changes resulted in change of air conditioner terminal units characteristics or refrigerant over the specified stan dard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury 4mm hexagonal wrench is required D 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 siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit Jepul49 jueJoBujeu 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 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 1 CONSTRUCTION VIEWS EXTERNAL VIEWS MMD AP0071SPH K AP0091SPH K AP0121SPH K AP0151SPH K APO181SPH K 845
119. d in the same conduits If doing so a trouble may be caused on the control system due to noise etc Up to 1000m Twist wire 1 25 mm Wire size Up to 2000m Twist wire 2 0 Remote controller wiring remote controller inter unit wiring Twist wire 0 5mm to 2 0mm x 2 Total wire length of remote controller In case of wired type only wiring and remote controller inter unit wiring L L1 L2 Ln Up to 500m In case of wireless type included Up to 400m Up to 200m Total wire length of remote controller inter unit wiring L1 L2 Ln L1 N L2 Remote controller inter unit wiring Remote controller gt wiring Remote controller Ln Max 8 units 8 ELECTRIC WORK Cable connection Remote controller wiring As the remote controller wire has no polarity there is no problem if connections to indoor unit terminal blocks A REQUIREMENT and B are reversed Be sure to pass the wire through the wire connection port of the indoor unit s Wiring diagram gt Terminal block for remote controller Terminal block wiring of indoor unit A DA Remote 58 7 POS EE ae Remote controller wire Field supply Keep a margin Approx 100mm on a wire to hang down the electric parts box at servicing etc The low voltage circuit is provided for the remote controller Before remove the electric parts cover remo
120. d outdoor outdoor units U1 U2 and U3 U4 units on 1 system alone Turn on the power of outdoor unit again M aep priced Are all the connected Refer to Address clear ilt i ASC outdoor I F P C boards on 1 system NO Change the incorrectiy builtin ontdooi P C boards of outdoor units for Super Modi S Multi Flex A 910 Super Module Multi Flex Upenvoouie Re execute address setup Refer to Address setup Check again whether there is any E Mat gt 3 other outdoor unit or not on the Using 7 segment on I F P C board check the model name for each outdoor unit Note This code is displayed when the power is turned on at the first time after installation communication line in 1 system For check when putting the rotary switch on SW01 02 03 16 16 16 it is an Because the address is not yet set up If any turn off power of the outdoor I F P C board for Super Module Multi Flex if F is displayed at the left corresponding outdoor unit and side of 7 segment A part then check once more Check code name Check code name Cause of operation L09 46 Indoor capacity unset Indoor capacity unset 907 AI NET Are capacity setups YES Set up capacity data of indoor unit of indoor units unset Setup item code DN 11 Check indoor P C board Defect Replace 86 Check code name Check code name Cause of operation L18 8 Flow selector unit system error An indoor unit which
121. device transmission error Operation continued Check central control device error Check communication line error of central control device 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 Check communication line error of central control device 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 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 AI 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 Check t
122. ditioner operate it only with button without turning off the main power switch and the leak breaker DON OFF SWING FIX FILTER RESET TEST DO UNIT 1 Push CV button Cooling only model The operation lamp goes on and the operation starts DRY COOL FAN 2 Select an operation mode with the MODE button lt _ lt ae One push of the button and the display Heat pump model changes in the order shown on the right In HEAT 3 mode if the room temperature reaches to FAN the set temperature the outdoor unit stops and the air flow becomes LOW and the air volume decreases In the defrost mode the fan stops so that cool air is not discharged and PRE DEF is displayed 3 Select air volume with button One push of the button and the display ey SS changes in the order shown on the right When air volume is AUTO 9 air volume differs according to the temperature difference between set temp and room temp In DRY y 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 8 or HIGH operation 4 Determine the set up temperature by pushing the TEMP TEMP Cv or TEMP button Stop Push 9775 button The operation lamp goes off and the operation stops 13 3 5
123. door I F service PC board Check connection of UART communication connector Check IPDU fan IPDU and I F PC board error Note UART Universal Asynchronous Receiver Transmitter Detected indoor address Indoor Interlock in indoor unit from outside Corresponding unit only stops Outside error input terminal Detected signal to CN80 for more 1 minute W Outside device is connected to connector CN80 1 Check outside device error 2 Check indoor PC board error W Outside device is not connected to connector CN80 1 Check indoor PC board error Extended IC Integrated Circuit error Operation continues PC board I F parts error Check indoor I F P C board ZL Check code Outdoor 7 segment display controller Check code Sub code AI NET central control remote controller Detected Check code position Indoor Indoor fan motor error Status Error detection condition Check item position Corresponding Check the lock of fan motor AC fan unit only stops Check cabling VF Discharge temp TD1 error All stop Discharge temp TD1 Check full opening of outdoor service valves Gas side Liquid side exceeded 115 C Check clogging of outdoor PMV PMV1 2 Check characteristics of TD1 sensor resistance value Check refrigerant shortage Check 4 way valve error Check leakage of SV41 circuit Check SV4 circuit Misw
124. e fan of the outdoor unit which stopped due to the error rotates If pushing SW05 alone fan running is released 88 Check code Check code name Cause of operation E31 CF IPDU communication error 1 Connection error of communication line d07 AI NET between IPDU and I F P C board Check code Check code name Cause of operation F01 OF Indoor sensor error TCJ sensor Open Short d07 AI NET I F P C board error IPDU PC board error External noise NO gt Correct connection of connector Is TCJ sensor connector CN102 Red on indoor P C board normally connected YES Sub code 01 IPDU1 error 02 IPDU2 error NO 03 IPDU1 2 error 04 Fan IPDU error Are characteristics of TCJ sensor 1 place TCJ sensor 05 IPDU1 fan IPDU error 06 IPDU2 fan IPDU error YES 07 All IPDU error or communication line error between IPDU I F P C boards or outdoor I F P C board error A Indoor unit temperature sensor characteristics If the fan IPDU is abnormal be sure to check the voltage output on the fan power supply P C board See Characteristics 2 Check indoor main P C board Defect Replace Is jumper lead P TORT a ON board correct Connect the jumper lead YES Check code Check code name Cause of operation Are communication connectors YES between I F fan power supply board Correct connection of connectors F02 09 Indoor TC2 sensor error TC2 sensor Open Shor
125. e high humidity atmosphere dew point temperature 23 C or higher 1 Installation to inside of the ceiling with tiles on the roof 2 Installation to inside of the ceiling with slated roof 3 Installation to a place where inside of the ceiling is used for pathway to intake the fresh air n the above cases additionally attach the heat insulator to all positions of the air conditioner which come to contact with the high humidity atmosphere In this case arrange the side plate Check port so that it is easily removed Apply also a sufficient heat insulation to the duct and connecting part of the duct Reference Dewing test conditions Indoor side 27 C dry bulb temperature 24 C wet bulb temperature Air volume Low air volume operation time 4 hours 9 3 SELECTION OF INSTALLATION PLACE Installation space MMD AP0071SPH C AP0091SPH C AP0121SPH C AP0151SPH C AP0181SPH C 2 Le 5 or more Air outlet Y 210 235 or more 100 or more gt 250 or more MMD AP0071SH C AP0091SH C AP0121SH C AP0151SH C AP0181SH C lt Drain piping left side gt Drain piping V 7 5 or more Air outlet 210 235 or more 100 or more S DES HS Drain piping Drain piping right side gt 7 74 4 A 5 or more Air outlet 210 235 Y 250 250 Eo t or more or
126. e indoor fan with LOW mode for approx 30 seconds Filter sign display None in wireless type Provided in the separately laid type TCB AX21E 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 the integrated timer is cleared In this time if the specified time has passed the measured time is reset and LCD display disappears 55 QY and amp display Operation and heating stand by Outline of specifications Operation standby 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 There is a unit in which indoor overflow P10 is detected 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 HEAT standby D
127. e performed on the remote controller For automatic addressing Max 10 minutes generally approx 5 minutes are required When power will be turned on after finish of automatic addressing It will require Max 10 minutes generally approx 3 minutes that outdoor unit starts operation after power was on As all have been set to Standard at the shipment change the setup of the indoor unit if necessary To change the setup use the main remote controller wired remote controller The setup change for wireless remote controller sub remote controller or remote controller less system Central control remote controller only is provided is impossible In these cases prepare and mount a Separate main remote controller ILIE irme ON OFF om GN Procedure Description When pushing 5 and 5 s buttons simultaneously for 4 seconds or more after a while the display part flashes as shown Dim figu Check that the displayed item code is 10 x If the item code indicates other than 10 push button to erase the display and then retry the operation from the first step For some time after amp button has been pushed the operation of the remote controller cannot be accepted In a group control the firstly displayed indoo
128. e taking off hooks of fan upper case which are hooked to the partition board zu pe d 4 Loosen hexagonal hole screw of the multi blade fan to remove multi blade fan from the dw Hanging hook shaft If necessary remove multi blade fan and then remove fan upper case 2 Attachment 1 Determine the position so that multi blade fan positions at the center of the fan upper case and then fix it with hexagonal hole screw Fan lower case Multi blade fan NOTE Arrange the multi blade fan so that screws position at the right side against the drain pan assembly NOTE Fix multi blade fan with torque wrench 4 9 Nem or more 2 Hook the lower fan case as before and attach it with hooks NOTE Finally check whether the multi blade fan turns surely and smoothly or not Arrange the multi blade fan so that screws position at the right side against the drain pan assembly 120 Part name Fan motor Procedure 1 Detachment 1 Perform works 1 of 1 of 1 of 2 Remove lead wires which are connected to the following connectors of P C board assembly NOTE Unlock locks of the housing and then remove the connectors CN333 Fan motor power supply 5P White CN334 Detection of fan motor BP White Remove tie wrap which fixes lead wires Remove the noise filter from lead wire to detect fan motor position Take off screws of fan motor fixing bracket Earth wires of the motor are tightened tog
129. ed Collective pipes 5 2 2 Connection of drain hose Insert the attached drain hose into the drain pipe connecting port on the drain pan up to the end Fit the attached hose band to the end of the pipe connecting port and then tighten it securely Fit the attached hose band to the end of the hose lay down the knob and then tighten hose band Drain B s HHL S oj i Attached drain hose Confirm that soft hose is pushed in up to the end of the drain pan lt gt GOOD Trap As long as possible 100mm or more VP20 VP20 VP20 N VP30 or more Downward slope 1 100 or more Drain pipe connecting port Hard socket Drain pan VP20 vinyl chloride pipe procured locally Adhesive agent prohibited REQUIREMENT Be sure to fix the drain hose with the attached hose band and set the tightening position upward As the draining is the natural water draining arrange the pipe outside of the unit on the down slope If piping is performed as shown in the figure drain cannot be discharged Drain pipe Drain pipe NO GOOD 5 2 3 Connection of drain pipe Connect the hard vinyl chloride pipe procured locally to the mounted drain hose which was
130. ed signals normally YES Is outdoor unit setting backup Clear the error and then start operation 1 NO NO Is main power of follower unit turned on Turn on the main power supply YES Is communication line between outdoor units connected normally YES Correct connection of communication line Correct connector connection Communication connector CNO3 1 How to clear the error Set SW01 SWO02 SWO3 on I F P C board of header unit to 2 16 1 and push SW04 for 5 seconds or more 7 segment display Er CL Is communication connector CNO3 NO between follower outdoor units connected YYES Check I F P C board 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 Check code Check code name Cause of operation E28 d2 d07 AI NET Terminal outdoor unit error Terminal unit error Sub code Detected outdoor unit number SAn error occurred on the terminal unit Confirm the check code of the terminal unit using 7 segment display on the I F P C board of the terminal unit and check it according to the diagnostic procedure for each check code How to specify the terminal outdoor unit on which error occurred Under condition that E28 is displayed on the 7 segment display of the header unit when pushing SW04 for 1 second or more th
131. emperature SW01 1 SW02 7 SWO3 2 TE sensor temperature Judgment criteria 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 Check code name P20 22 d07 AI NET NO Check code name High pressure protective operation 0 L9 Ug Ee 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 circuit 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 bnormal Failure gt Replace bnormal Correct piping bnormal Replace defective parts Check mispiping of discharge gas suction gas main pipes Normal A Check operation of PMV3 SV12 Normal A Is the flow selector unit normal Normal Reset power supply and start a test A operation corresponded to the season A cooling operation To heating operation To Hh Repair the flow selector unit 1 Pressure by pressure gauge Check joint 2 Pressure display on 7 segment display All cooling op
132. equired those other than M10 flat washer at site 2 To prevent falling off of bolt safety be sure to set it just under the hanging bracket as shown in the figure 5 DRAIN PIPING WORK A CAUTION In these models of the air conditioner two types of models the models APXXXXSPH series attached with drain up pump and the natural draining models APXXXXSH series are included Perform the construction work according to each draining method Following the Installation Manual perform the drain piping work so that water is properly drained and apply a heat insulation so as not to cause a dew Inappropriate piping work may result in water leakage in the room and wet of furniture 5 1 In case of drain up pump model MMD AP0071SPH C to AP0181SPH C 5 1 1 Pipe material Insulator and size The following materials for piping work and insulating process are procured locally Hard vinyl chloride pipe socket for VP25 Pipe material Hard vinyl chloride pipe VP25 Nominal diameter 32mm Foamed polyethylene foam thickness 10mm or more Insulator REQUIREMENT Be sure to perform heat insulation of the drain pipes of the indoor unit Never forget to perform heat insulation of the connecting part with the 1 5m to 2m indoor unit An incomplete heat insulation causes dewing Set the drain pipe with downward slope 1 100 or more and do not 1 100 insulator downward make swelling or tra
133. eration 3 Output voltage of I F P C board Y 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 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 NO Is outdoor PMV1 2 normal YES Is there a cause to interfere operation of heat exchanger of outdoor unit YES Correct faulty position Connector connection wiring coil mounting valve clogging etc 1 Heat exchanger clogging 2 Air short circuit Eliminate the interfered causes NO NO Is SV2 circuit normal YES Repair SV2 circuit Coil error clogging disconnection of cable etc NO Is SV4 circuit normal YES NO 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 Repair check valve Replace SOL All heating operation NETTE Is connector Does heating indoor fan NO connection of indoor normally operate heat exchanger fan or fan motor normal YES YES NO Is indoor PMV normal Repair faulty parts YES Is check valve of main Is co
134. esumes the operation by pushing owes button and stops the operation after the time of the timer has reached the set time 15 3 7 Information Confirmation before operation Turn on the power switch 12 hours before starting the operation Make sure whether earth wire is connected Make sure 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 temperature falls the heating capacity decreases When the outside temperature is too low it is recommended 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 oper
135. ether Q5 10 2 pcs Remove tie wrap which fixes the lead wires Remove fixing bracket of the fan motor by holding it with hands so that the fan motor does not fall down 2 Attachment Remarks Earth lead 1 Mount the fan motor as before in order Fan motor Fixing bracket of fan motor gt Noise filter Lead wire process E cover NOTE Check there is no missing or poor contact of the connectors Check also that the multi blade fan turns surely and smoothly and check together tightening of motor earth Under panel Drain pan assembly 1 Detachment 1 Take off the drain cap and drain the drain water accumulated in the drain pan assembly In case of natural drain model drain the drain water by taking off hose band and drain hose NOTE When taking off drain cap and drain hose be sure receive drain water in a bucket etc 2 Take off screws fixing the under panel while holding it to remove 4 x 10 8 pcs NOTE Be careful that sheeting metal does not fall when removing the under panel 3 Pull out the drain pan assy by holding handle at lower part NOTE When pulling out the drain pan assy never pull out the drain socket by drawing it with hands If doing so water leak may be caused 4 Pull out it to some extent lay hand on the bump at suction side and then remove the drain pan assembly 2 Attachment 1 Hook and attach the drain pan assy to the fl
136. etup 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 AI 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 AI NET Displayed on the indoor unit other than are duplicated one with priority and on the outdoor unit 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 26 Check code name Check code name Cause of operation Check code name Check code name Cause of operation L10 88 Outdoor capacity unset On the outdoor IF P C board for service the d07 AI NET model selecting jumper has not been set up so as to match with the model L07 99 Group line in individual indoor unit The group line is connected in the d07 AI NET
137. f of standard time 0000 Standard Central control address No 1 unit 0064 No 64 unit Unfixed 0099 Unfixed Specific indoor unit priority No priority 0001 Priority 0000 No priority Heating temp shift No shift 2 0001 1 C 0010 10 C Up to 6 recommended 0002 2 C Floor type 0000 0 C Existence of AUTO mode Provided 0001 Not provided Automatic selection from connected outdoor unit 0001 Not provided Cooling only 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 0000 Heat pump Type 0000 1 way air discharge cassette 0001 4 way air discharge cassette to 0037 According to model type 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 Individual Follower unit of group 0000 0001 Header unit of group 0002 0099 Unfixed Louver type Adjustment of air direction 0000 0004 Not provided 0001 Swing only 4 way Air Discharge Cassette type and Under Ceiling type According to type Temp difference of AUTO mode selection COOL gt HEAT HEAT COOL 0000 0 deg to 0010 10 deg For setup temperature reversal of COOL HEAT by x Dat
138. f thermo OFF of room temperature In order to prevent a serial operation the forced test operation is released after 60 minutes and returns to the usual operation Do not use a forced operation in cases other FAN than test operation because it applies an excessive load to the air conditioner SWING FIX FLTER RESET TEST UNIT In case of wired remote controller Procedure Description Keep 2 button pushed for 4 seconds or more TEST is displayed on the display part and the selection of mode in the test mode is permitted DON OFF Push gt button Using Ca button select the operation mode COOL or HEAT Do not run the air conditioner in a mode other than COOL or HEAT The temperature controlling function does not work during test operation The detection of error is performed as usual After the test operation push O2 OF button to stop the operation Display part is same as procedure 7 Push D button to cancel release from the test operation mode TEST disappears on the display part and the status returns to a normal stop status 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 After the test operation finished stop the Switch of the receiver section as before A 60 minutes timer clearing function is a operation
139. ff screws fixing E cover and then remove hooks of the hooking part by lifting up O4 x 10 2 pcs 2 Attachment 1 Hang on E cover to hooks of the hooking part so that it does not fall down NOTE Be sure not to catch TA sensor in the E cover otherwise the equipment cannot operate cor rectly 2 Using the screws taken off in procedure 1 2 of attach E cover while holding it with hands without clearance NOTE If there is clearance dust may enter in the electric parts box Remarks 2 screws TA sensor Hooking part 1 Detachment 1 Perform works 1 of and 1 of 2 Remove clamps and tie wrap at upper part of the photo Drain pump incorporated model 3 positions Natural drain model 2 positions 3 Take off screws fixing E box O4 x 10 2 pcs E box does not fall down under condition that screws are taken off 4 Remove the E box over sheeting metal which was fixed with screws Attachment 1 Insert hooks of E box into the hooking part of the main body 2 Store E box as before and then attach it by using screws taken off in procedure 1 3 of NOTE Be sure to fix surely as before the lead wires of which clamps and tie wrap were taken off NOTE Check that lead wires of the drain pump do not reach the fan so that they are not caught in the fan and then fix them In case of drain pump incorporated model 119 Drain pump 2 screws Lead wire For only drain
140. filter cleaning term setup External view The lighting term setup of the filter sign Notification of filter cleaning of the remote controller can be changed according to the condition of installation If the room is not heated due to the installation place or construction of the room the detection temperature of heating can be raised For setup method refer to Change of lighting term of filter sign and To secure better effect of heating in the Applicable controls of this Manual 21 E 168 inside In case of wireless type The sensor of indoor unit with wireless remote controller can receive a signal 8m or less Based upon it determine a place where the remote controller is operated and the installation place of the indoor unit To prevent a malfunction select a place where is not influenced by a florescent light or direct sunlight Two or more Up to 6 units indoor units with wireless remote controller can be installed in the same room kK 803 inside 21 4 04 so e S 146 gt gt gt 163 4 INSTALLATION OF INDOOR UNIT Fresh air inlet ny knock out hole SLBA WARNING Hang up plate Install the air conditioner certainly to suffi
141. frigerant in compressor case reset power supply and then start operation 2 Clogging check for SV3D valve of oil return circuit from oil separator 2 Check clogging in oil recovery circuit of the oil separator Capillary Strainer Check clogging of SV3D valve a Oil return circuit While outdoor unit is operating check temperature secondary side of capillary on oil return circuit G 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 Replace defective parts Check oil level judgment No cloggin of each compressor 99119 SWO01 02 03 1 16 1 displayed on 7 segment display b Clogging check for SV3D valve While outdoor unit is operating set up SWO01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 NO for 2 seconds or more XES Clogging Set up SW02 6 and turn on SV3D valve 7 segment display Hr 3d Check clogging of oil equation circuit x n Eliminate cause of accumulation 3 Replace defective parts MEM said OU Mean side of the valve or it does not change clogging of valve capillary or strainer 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
142. frigerating oil has been also changed Therefore pay attention so that water dust former refrigerant or refrigerating oil does not enter into the refrigerating cycle of the new refrigerant air conditioner during installation work To prevent from mixing of refrigerant or refrigerating oil the size of charge port of the main unit or connecting section of installation tool differs from that of the air conditioner for the former refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A as shown below For connecting pipes use the new and clean piping materials so that water or dust does not enter Required tools and cautions on handling It is necessary to prepare the tools and parts as described below for the installation work The tools and parts which will be newly prepared in the following items should be restricted to the exclusive use Explanation of symbols Newly prepared It is necessary to use it properly exclusive to R410A separated from those for R22 or R407C O Former tool is available Used tools Usage Proper use of tools parts Gauge manifold Vacuuming or charging of refrigerant and operation check Newly prepared Exclusive to R410A Charging hose Newly prepared Exclusive to R410A Charging cylinder Charges refrigerant Unusable Use the Refrigerant charging balance Gas leak detector Checks gas leak Newly prepared Vacuum pump Vacuum drying U
143. fully opened YES Is outdoor PMV normal 1 Connector connection 2 Cabling NO Open service valves fully 3 Coil 4 Valve body 5 Outdoor I F P C board YES Are characteristics of NO Connectors CN300 301 White Repair outdoor PMV TD2 sensor resistance normal YES characteristics 4 Does not discharge refrigerant gas by NO Refer to outdoor unit temperature sensor Replace TD2 sensor pass to suction sidethrough 4 way valve YES SV4 circuit 1 Are not SV41 and SV42 valve NO Check 4 way valve Correct installation of valve coil coils installed reversely 2 Is there no leakage through SV42 circuit YES Replace SV42 valve NO Check leakage of SV5 circuit Replace defective parts ES NO Check clogging of SV6 circuit ES Y Y Check mispiping of discharge gas NO Replace defective parts T nc suction gas main pipes YES Correct piping NO Is the flow selector unit normal YES Is not an indoor unit of different NO Repair the flow selector unit refrigerant line connected YES Refrigerant shortage clogging pipe breakage Check there is no pipe breakage and then recharge refrigerant Check with miscabling check function of outdoor unit Correct cabling YOL Check code name P19 08 d07 AI NET 4 way v
144. g n Flashing Goes off ALT Flashing is alternately when there are two flashing LED 101 Comp 1 side 43 02 Comp 2 side F15 18 ALT TH sensor error IPDU ALT Outdoor temp sensor miscabling TE TL VF LE Check code SIM Simultaneous flashing when there are two flashing LED Wireless remote controller Main remote controller display Outdoor 7 segment display Auxiliary code AI NET central control display Sensor block display of receiving unit Check code name Operation Timer Ready Flash Judging device E01 a e Communication error between indoor and remote controller Detected at remote controller side Remote controller E02 Remote controller transmission error Remote controller E03 Communication error between indoor and remote controller Detected at indoor side Indoor Communication circuit error between indoor 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 between indoor outdoor Detected at outdoor side VF Duplicated indoor addresses Duplicated indoor addresses Indoor I F Duplicated main remote controllers Remote controller Communication error between indoor MCU Indoor Indoor Outdoor communication Communication between outdoor units
145. he 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 from 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 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 atte
146. he above cases additionally attach the heat insulator to all positions of the air conditioner which come to contact with the high humidity atmosphere In this case arrange the side plate Check port so that it is easily removed Apply also a sufficient heat insulation to the duct and connecting part of the duct Reference Dewing test conditions Indoor side 27 C dry bulb temperature 24 C wet bulb temperature Air volume Low air volume operation time 4 hours 3 SELECTION OF INSTALLATION PLACE Installation space Reserve space required for maintenance the indoor unit and service work 5 or more Air outlet 20 235 100 250 ate 022222 lt Unit mm lt Under air inlet gt lt Back air inlet gt or more or more 5 or more 5 or more 210 235 lt Air inlet 210 235 Ceiling Air inlet Ceiling 50 or more 300 or more 2500 or more 2500 or more Floor surface 777777777 77777777777 Floor surface Service space VA eae P Te T o r Ceiling 50 50 945 645 He gt Service door Ceiling opening pe pj 4 t Air filter f ea lt 745 Arranging
147. he 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 P C 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 Cautions when servicing for compressor 1 Removing wires of both compressors check output of the inverter as described below How to check inverter output 1 Turn off the power supply 2 Remove the compressor lead cables from t
148. he 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 P C 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 s not it earthed Normal if 10M or are measured s not shorted between windings Normal if 0 7Q to 0 90 are measured Use a precise digital tester How to check the outdoor fan motor Turn off the power supply Take off three connectors U V W from the
149. he figure If temperature does not rise equivalent to suction temperature it is a clogging of SV3B valve Normal Check whether there is setup missing Abnormal Sst to cabling only aper mode of cooling only indoor unit Cooling only operation mode 0001 Normal NO Replace SV3B valve WE Characteristics 4 d Clogging for SV3E valve Y Check gas leak of outdoor unit Abnormal Specify a position where Check oil stain in the Reset the power supply Referring to Valve forced open close function of the outdoor unit check ON OFF operation Sound coil surface temp up of SV3E valve is performed 5 gas leaked and repair it Recharge refill oil machine room of outdoor unit Normal NO NS Is the flow selector unit normal Repair the flow selector unit Start test in COOL or HEAT mode YES After operation for several minutes check the pipe temperature at the secondary side of SV3E valve whether 1 Check leakage of ie x E Check accumulation of Solenoid valve SV3C Replace defective parts temperature changes or not If it is equivalent to outside temperature clogging of SV3E is considered refrigerant in compressor case Rene in the figure Reference No leakage or clogging If SV3E valve is clogged temperature of all TK1 TK2 TK3 and TK4 do not change Refrigerant accumulation Correct accumulation of re
150. he parts be sure to stop operation of the air conditioner and turn off switch of the breaker Air Filter only for 1 Detachment MMD AP0071SPH 1 Push knobs 3 positions of the air filter to AP0181SPH hooks toward the arrow direction to MMD 0071SPH K remove the air filter to AP0181SPH K In case of sucking system from rear side 2 Attachment 1 Insert the air filter surely into the hooking grooves 4 positions at the opposite side of the hooks and then fix it to the original position NOTE In case of sucking system from bottom side installation direction is determined Install the air filter so that hooks are aligned at dis charge side inlet 1 D hmen Ee di In case of sucking system from rear side ate inlet 1 Take off fixing screws while holding the plate inlet A with hands to remove it 0 Sucking system from rear side i Q4 x 10 8 pcs s Sucking system from bottom side 4 x 10 11 pcs 2 Take off fixing screws while holding the plate inlet B with hands to remove it O4 x 10 6 pcs NOTE Be careful that sheeting metal does not fall when removing the plate inlet 2 Attachment 1 Using the screws taken off in procedure 1 2 of attach the plate inlets in order of B gt A while holding them not to fall down Plate inlet B 6 screws 118 Part name Procedure 1 Detachment 1 Perform work 1 of 2 Take o
151. heck 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 EO lt SW05 gt push function Interruption of fan operation function A B t Operation mode A Stop Normal cooling C Normal heating H Normal defrost J Outdoor unit HP 5HP 5 6HP 6 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 4 way valve OFF SV2 ON SV5 OFF SV2 OFF SV5 ON SV3A ON SV3B OFF SV
152. heck outdoor end terminal resistance setup SW30 2 E06 E06 No of indoor 4 Decreased number of indoor units All stop When signal is not sent fora 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 BOSE Check connector connection for communication in outdoor board normally displayed h Check indoor PC board failure Check outdoor PC board I F failure E07 Indoor outdoor communication All stop Transmission from outdoor to Check outdoor terminator resistor setup SW30 2 circuit error indoor cannot continue for 30 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 Check remote controller PC board setup as master Header indoor unit stops
153. her errors Protective device operation ce 12 MAINTENANCE For maintenance be sure to turn off the main power switch A CAUTION Do not handle the buttons with wet hands otherwise an electric shock may be caused lt Daily maintenance gt Cleaning of air filter 1 If 15 displayed on the remote controller contact to service on maintenance professional to cleaning the air filter 2 2 Clogging of the air filter decreases cooling heating efficiency 3 After cleaning push TOO B c TEMP DON OFF eco SWING FIX VENT Y EH display disappears Air filter cleaning method 1 Take out the air filter Push the tabs Forward direction as shown in the figure of the fir filter and then pull out it to take out the air filter Air filter Main unit lt Force Remove the filter from the main unit while pushing down on the tabs 2 Cleaning with water or vacuum cleaner If dirt is heavy clean the air filter by tepid water with neutral detergent or water After cleaning with water dry the air filter sufficiently in a shade place 3 Mount the air filter Attach the filter to the main unit while pushing the tabs Forward direction as shown in the figure 4 Push EH display disappears aq When connecting a return air duct
154. hite Repair outdoor PMV TS2 sensor resistance normal YES Does not discharge YES Refer to outdoor unit temperature sensor characteristics 3 Replace TS2 sensor refrigerant gas bypass to suction side through 4 way valve NO NO Is there no leakage of Check and replace 4 way valve and coil SV41 and 42 valve circuits YES Check mispiping of discharge gas Abnormal Repair SV41 and SV42 circuits Coil valve body disconnection of cable etc suction gas main pipes Normal Correct piping Abnormal Is the flow selector unit normal Normal Refrigerant shortage clogging pipe breakage Repair the flow selector unit Check there is no clogging and pipe breakage and then recharge refrigerant 201 Check code name Check code name Cause of operation Gas leak detection TD condition Sub code 02 P15 AE d07 AI NET Outdoor unit service valve closed Outdoor PMV error TD sensor error SV4 circuit error Refrigerant shortage clogging refrigerant NO circuit Are service valves of gas and liquid sides fully opened YES Is outdoor PMV1 2 normal 1 Connector connection 2 Cabling NO Open service valves fully 3 Coil 4 Valve body 5 Outdoor I F P C board Connectors CN300 301 White YES NO Are characteristics of Repair outdoor PMV
155. htening torque Incorrect connections may cause not only a gas leak but also a trouble of the refrigerating cycle EN If an excessive torque is applied the nut may crack depending on the installation conditions Airtight test Air purge etc For airtight test air purge addition of refrigerant and gas leak check follow the Installation Manual attached to the outdoor unit 12 7 2 0 to 2 5 1 5 to 2 0 Connection of refrigerant pipe Connect all the refrigerant pipes with flare connecting work Since the atmospheric pressure only is sealed as the sealing gas it is not abnormal that Pushu sound is not heard when the flare nut is removed Be sure to use a double spanner for pipe connecting work of the indoor unit 4 Work using double spanner Refer to the following table for tightening torque Connecting pipe Tightening torque outer dia mm Nem Re tightening torque N m 06 4 14 1018 1 4 to 1 8 kgfem 18 1 8 kgf m 09 5 33 to 42 3 3 to 4 2 kgf m 42 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m 62 6 2 kgf m EE Je Be sure to use the tool such as charge hose exclusive to R410A Do not turn on the power until the airtight test and the vacuuming have finished If turning on the power the incorporated PMV is closed fully and the period until the vacuuming finishes elongates Open fully valves of the outdoor unit Gas le
156. ifferent refrigerant pipe system Duplicated indoor units with priority All stop Indoor units with priority were Check display of indoor unit with priority Displayed on indoor unit with priority duplicated MG SW Magnet Switch OCR Over current Relay 9Z Check code Main remote controller Outdoor 7 segment display Check code Sub code AI NET central control remote controller Detected position Check code name Status Error detection condition Check item position L06 L06 No of indoor units with priority 96 VF Duplicated indoor units with priority Displayed on the unit other than indoor unit with priority All stop Indoor units with priority were duplicated Check display of indoor unit with priority and outdoor unit Group line in individual indoor unit Corresponding unit only stops At least one indoor unit connected to a group existed in the individual indoor units Check indoor address Indoor Indoor group address unset Corresponding unit only stops Address was not yet set up Check indoor address Note After installation this code is displayed when the power is firstly turned on Indoor Indoor capacity unset Corresponding unit only stops Indoor unit capacity was unset Set up indoor capacity DN 11 VF Outdoor capacity unset All stop On the I F PC board for service jumper li
157. il Check opened status of SVS valve bl Check code Outdoor 7 segment display Main remote controller Check code Sub code AI NET central control remote controller Detected position Check code name Error detection condition Check item position H07 H07 d7 VF Protection for oil All stop The operating compressor Check all the outdoor units in the corresponding line gt level drop detection detected oil shortage Check full opening of service valve of balance pipe continuously for 2 hours Check connection and installation of TK1 TK2 TK3 and sensors Check characteristics of TK1 TK2 TK3 and TK4 resistance values Check gas leak and oil leak in the same line Check refrigerant stagnation in compressor Check error of SV3A SV3B SV3C SV3D and SV3E valves Check clogging of oil separator oil return circuit Check clogging of oil equation circuit Check clogging of oil equation pipe between compressors gt Check TS1 TS2 sensors Miswiring and misinstallation of TS1 and TS2 Check leakage of SV6 circuit 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 Check whether there is no setup missing of indoor unit in all cooling operation mode H08 H08 HERO eror d4 VF Oil level detective All stop Res
158. ing TC2 sensor EEPROM R420 SG301 CN310 Z C om 2 F301 280 LA T LOND NI OV T 05 8 N zs 150879 R335 D312 16307 R329 D311 R339 D310 T 89N9 dd R57 T POCNI u3 u31v3u Hdd Remote controller inter unit cable TC1 sensor Indoor Outdoor communication Also used for communication of the central control system Mm communication Spare 1 None for SH series cor L OOIN peog 100pu Z 1 6 Power supply Optional power supply Remote controller power supply LED Drain pump output 9 1 3 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 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 DN231 ON OFF input HA ON OFF input J01 YES NO Pulse At shipment Static input select 0V COM Main prohibition input Operation stop of main remote controller is permitted prohibited by input Operation output ON during operation Answerback of HA DC
159. ing bolt pitch see the external view When the ceiling has already boarded draw the drain pipe refrigerant pipe inter unit wire between indoor and outdoor units central control system wire and remote controller wire up to the position where pipes and wires are connected before hanged up the indoor unit The hanging bolts and nuts will be procured locally Hanging bolt M10 or W3 8 4 pieces Nut M10 or W3 8 12 pieces Installation of hanging bolt Use M10 hanging bolts 4 pcs to be local procure Matching to the existing structure set pitch according to size in the unit external view as shown below Steel flame structure New concrete slab Existing concrete slab Install the bolts with insert brackets or anchor Use existing angles or install new Use a hole in anchors hole in bolts support angles plugs or a hole in bolts Hanging bolt a NV Reinforcing A ff Ez ur Nd Anchor bolt Blade type Slide type Pipe hanging bracket bracket anchor bolt 2 Hanging bolt Support angle Installation of indoor unit 1 Attach the nuts M10 or W3 8 Procured locally and W3 8 or M10 Accessory the attached washers 934 to the hanging bolt Nut W3 8 or M10 2 M10 flat washer Put washers at up and down of T groove of the hanging bracket of the indoor unit to hang down the Nut ui Accessoi indoor unit Ware or M19 Using a level vial check that fou
160. ing 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 s 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 ber PEL or part 4 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 62 8 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
161. ing the setup numbers of the rotary switches SW01 SWO2 and SW03 on PC board Interface P C board 7 segment 7 segment display A display B fe ee B B B E B 2nd 1st 3rd 2nd 1st place place place place place CN30 CN31 SW05 SW15 D600 0601 D602 D603 0604 SW01 swo2 5 03 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 DOO Check code Switch setup when confirming the check code SW01 1 SWO2 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
162. ion 40 C or Check mispiping of discharge gas suction gas main pipe higher 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 02 TD condition Gas leak detection TD condition All stop Discharge temperature TD1 or TD2 was continuously 108 C or higher for 10 minutes 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 Check SV4 circuit Valve leakage misinstallation 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 connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connectors Check miswiring of SVS SVD valves 6Z Check code Outdoor 7 segment display controller Check code Sub code AI NET central control remote controller Detected position Check code name Status Error detection condition Check item position bb VF Discharge temp TD2 error All stop Discharge temperature TD2 exceeded 115
163. ion setup of option etc to EEPROM based upon customer s information Procedure 3 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 S Ea buttons simultaneously for 4 seconds or more 1 n 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 UNIT 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 Using temperature setup Cy buttons the item code DN can be moved up down one by one 3 4 First change the item code DN from Z amp Setup of filter sign lighting 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 wv 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 minim
164. iring and misinstallation of SV41 and SV42 Check leakage of SV5 circuit Check leakage of SV6 circuit Capillary clogging valve operation error 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 connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection 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 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 Check operation error of check valve of discharge pipe Check SV4 valve circuit Check SV5 valve circuit Check refrigerant overcharge Check mispiping of discharge gas suction gas main pipe Check circuit clogging at auxiliary heat exchanger side PMV3 SV12 check valve Check
165. isplay 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 Outdoor 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 amp 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 CENTRAL lights on the display part of the remote controller 56 If operation is performed from the remote control CENTRAL CONTROL mode the status is notified with receiving sound 7 APPLIED CONTROL 7 1 Setup of Selecting Function in Indoor Unit Be sure to Execute Setup by a Wired Remote Controller
166. istance value of Check connection of TK1 sensor connector DE TRE Sensor error temp sensor error sensor is infinite or zero Check characteristics of TK1 sensor resistance value 03 TKS SenSor error Open Short Check outdoor PC board I F error 04 TK4 sensor error All stop Resistance value of Check connection of TK2 sensor connector sensor is infinite or zero Check characteristics of TK2 sensor resistance value Open Short Check outdoor PC board I F error All stop Resistance value of Check connection of TK3 sensor connector sensor is infinite or zero Check characteristics of TK3 sensor resistance value Open Short Check outdoor PC board I F error All stop Resistance value of Check connection of TK4 sensor connector sensor is infinite or zero Check characteristics of TK4 sensor resistance value Open Short Check outdoor PC board I F error H14 H14 44 VF Compressor 2 All stop Compressor 2 case Check compressor 2 case thermo circuit Connector cable PC board case thermo thermostat operated Check full opening of service valve Gas and liquid side operation Check outdoor PMV clogging PMV1 2 Check SV42 valve leak Check miscabling misinstallation of SV41 and SV42 Check valve opening of indoor PMV Check 4 way valve error Check refrigerant shortage Check SV11 circuit Wiring OFF at one side only Check mispiping of discharge gas suction ga
167. it 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 Corea vii EIE 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 Check code Check code name Cause of operation E09 99 Duplicated master Setup of master remote controller is dupli d07 AI 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 Replace YES
168. it of external static pressure 10 Lower limit of external static pressure 20Pa Low 10 500 600 ow 20Pa Standard filte pressure loss 700 Air volume m3 h Slim Duct MMD AP0071SPH SH MMD AP0091SPH SH External static pressure Pa 60 1 Upper limit of external static pressure 50Pa 50 Standard air volume 540m3 h Upper limit of external static pressure 35Pa 40 Upper limit of 30 external static pressure 20Pa Upper limit of 20 external static pressure 10Pa 10 Lower limit of external static pressure 50Pa Lower limit of external static pressure 35Pa 1 300 400 500 Air volume m3 h MMD AP0151SPH SH External static pressure Pa 60 600 Lower limit of external static pressure 20Pa 700 Standard air volume 90 Upper limit Upper limit of external static pressure 50Pa ee 50 Upper limit of external static pressure 35Pa y 40 of 6 Low 50Pa hcl limit of external static pressure 50Pa external static VA pressure Upper limit o external static pressure 10Pa 20 10 Lower limit of external static pressure 35Pa 1 0 400 500 600 Air volume m3 h Lower limit of external static pressure 20Pa 800 51 MMD AP0121SPH SH Standard air volume 600m h 60 High 50Pa
169. ixture 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 of 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 installation 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 ca
170. liary code P C board to be replaced YES 01 IPDU1 02 IPDU2 NO 03 IPDU1 2 04 Fan IPDU 05 IPDU1 fan IPDU 06 IPDU2 fan IPDU 07 IPDU1 2 fan IPDU I F 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 68 Check code Check code name Cause of operation F04 19 TD1 sensor error TD1 sensor Open Short d07 AI 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 Check code F05 A1 d07 AI NET Check code name Check code name Cause of operation F10 OC Indoor TA sensor error TA sensor Open Short d07 AI 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 sensor Check disco
171. lls The operation lamp flashes STANDBY 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 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 Flashes when power is turned on again after power failure or when power switch is turned on When cooling operation cannot be performed because another indoor unit performs heating operation 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
172. loosened caulk it with pinchers etc and then connect Details of compressor Check IPDU P C board lead to the terminal firmly power connecting section Check code name H04 44 d07 AI NET H14 44 Check code name Compressor 1 case thermo operation Compressor 2 case thermo operation Cause of operation Case thermo circuit error I F P C board error Service valve closed Check code name H06 20 d07 AI NET Check code name Low pressure protective operation Cause of operation Service valve close Ps sensor error SV2 SVA circuit error c6 Outdoor PMV clogging SV4 valve leak Coil misinstallation 4 way valve error Compressor error Refrigerant shortage NO Repair case thermo circuit Note 1 1 Case thermo is usually closed yYES Miscabling of communication between indoor and outdoor Indoor outdoor fan and condenser error Indoor outdoor PMV clogging Indoor outdoor heat exchanger clogging Refrigerant shortage d07 AI NET O O1 PR WD Is case thermo circuit normal 1 Connector connection 2 Wiring 3 I F P C board Note 1 Are service valves of gas and NO liquid pipe of outdoor unit fully opened Open service valves fully s N 2 Operation temperature of case thermo is 120 C Are characteristics of low pressure sensor n
173. ls for piping work and insulating process are procured locally Hard vinyl chloride pipe socket for VP20 Pipe material Hard vinyl chloride pipe VP20 Nominal outer diameter 26mm Foamed polyethylene foam thickness Insulator 10mm or more REQUIREMENT Be sure to perform heat insulation of the drain pipes of the indoor unit Never forget to perform heat insulation of the connecting part with the indoor unit An incomplete heat insulation causes dewing Set the drain pipe with downward slope 1 100 or more and do not 1 5m to 2m Support 0 1 100 insulator downward make swelling or trap on the piping It may cause an abnormal sound Arched For length of the traversing drain pipe restrict to 20m or less shape NO In case of a long pipe provide support brackets with interval of 1 5 to 2m in order to prevent waving Set the collective piping as shown in the right figure Do not mount an air purge pipe otherwise drain water spouts out resulted in water leak The hard vinyl chloride pipe cannot be directly connected to the drain pipe connecting port of the indoor unit For connection with the drain pipe connecting port be sure to fix the attached flexible hose Adhesive agent cannot be used for the pipe connecting port hard socket of the indoor unit Be sure to use the attached hose band for fixing otherwise damage or water leakage of the drain pipe connecting port is caus
174. lternately Protective device operation Air filter cleaning method 1 Take out the air filter When connecting a return air duct to the unit cleaning method of the air filter differs according to the construction of duct end Please ask the constructor for construction of air duct 2 Cleaning with water or vacuum cleaner If dirt is heavy clean the air filter by tepid water with neutral detergent or water After cleaning with water dry the air filter sufficiently in a shade place 3 Mount the air filter Attach the filter to the main unit 4 Push EX display disappears 4 FAN CHARACTERISTICS Slim Duct Filter attached MMD AP0071SPH SH MMD AP0091SPH SH Standard air volume 540m3 h Upper limit of external High 50P static pressure 50Pa igh 50 Lower limit of external static pressure 50Pa Upper limit of external static pressure 35Pa Lower limit of external static Upper limit of pressure 35Pa external static pressure 20Pa Upper limit of external static pressure 10Pa lt External static pressure Pa Lower limit of external static pressure 20Pa Standard filte pressure loss 0 30 Air volume m3 h MMD AP0151SPH SH Standard air volume 690m3 h 60 High 50Pa Upper limit of external static pressure 50Pa ae 50 Lower limit of external static pressure 50Pa Upper limit of external
175. lves of the balance pipe fully at liquid and gas Charge the refrigerant as below sides and then return the valve at gas side a little to the closed side Low High Open fully PMV of the outdoor unit pressure gauge pressure gauge Turn on power of the outdoor unit 5 X Short CN30 on I F P C board of the outdoor unit Connected to Valve fully closed Turn off power of the outdoor unit within 2 minutes after short circuiting indoor unit gas side a Gauge Main Center unit manifold pipe Open fully the handle Low of the gauge manifold and then turn on q Brazed HESS the power of vacuum pump for vacuuming zs 2 Service Reducing Na port 6 4 valve Fully Copper pipe ORO When the pressure has lowered until indication of the compound tightened HD gauge pointed 0 1 76cmHg open fully the handle Low and f L Service port 4 turn off the power of vacuum pump j R Valve fully closed Fully liquid side B Nitrogen tightened D gas D Never charge the refrigerant over the specified amount Do not charge the additional refrigerant Valve lully closed If charging refrigerant additionally when refrigerant gas balance leaks the refrigerant composition in the refrigerating Connectedto other cy
176. ly 77777777777 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 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 signal Indoor control P C board 61 8 TROUBLESHOOTING 8 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 Screwdrivers Philips Minus spanner radio pinchers nipper push pin for reset switch etc Tester thermometer pressure gauge etc 3 Confirmation before check The following items are not troubles Operation Check items 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 be
177. m heat insulating process sufficiently to avoid dewing For heat insulator of pipe at gas side be sure to use one with heat resisting temp 120 C or more Using the attached heat insulating pipe perform heat insulating process securely for pipe connecting part of the indoor units without clearance 8 ELECTRIC WORK Apply the heat insulation to the pipe connecting section of the indoor unit securely up to the root without exposure of the pipe The pipe exposed to the outside causes water leak Using tape fix the heat insulator Set notching upward Pipe side Required at the site Attached heat insulating pipe WARNING 1 Using the specified wires ensure to connect the wires and fix wires securely so that the external strength of the wires do not transmit to the connecting part of the terminals Incomplete connection or fixation may cause a fire etc Be sure to connect earth wire Grounding work Do not connect the earth wire to gas pipe city water pipe lightning rod or the earth wire of telephone Incomplete grounding causes an electric shock For electric work strictly follow to the Local Regulation in each country and the Installation Manual and use an exclusive circuit Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire A CAUTION Be sure to install an earth leakage breaker If an earth leakage breaker
178. may be judged v6 Check code name Check code name Cause of operation 3 Check for solenoid valve of outdoor unit For multiple outdoor unit system a Clogging check for SV3A valve While outdoor unit is operating set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SwW04 for 2 seconds or more Set up SWO2 4 and turn on SV3A valve 7 segment display Hr 3A If temperature is low at secondary side of the valve or it does not change clogging of valve or check valve is considered in the figure 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 The detected error is an oil level detective temperature sensor error b Leakage check for SV3C valve Check disconnection of the wiring and resistance value of the sensor While outdoor unit is operating set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 If the sensors are normal replace the outdoor I F P C board for 2 seconds or more Set up SWO2 6 and turn on SV3C valve 7 segment display Hr 3C If temperature does not change up clogging of valve or strainer is considered in the figure Circuit Connector TK1 CN514 Black TK2 CN515 Green TK3 CN516 Red TK4 CN523 Yellow 4 a Clogging check for oil e
179. mmediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas might generate Electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive power supply An insufficient power supply capacity or inappropriate installation may cause fire Use the specified wires for wiring connect the terminals securely fix To prevent external forces applied to the terminals from affecting the terminals Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock Do not install the air conditioner in a location subject to a risk of exposure to a combustible gas If a combustible gas leaks and stays around the unit a fire may occur Jenuejy OL E 0c 2 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER This air conditioner adopts the new HFC refrigerant R410A which does not deplete the ozone layer R410A refrigerant is apt to be affected by impurity such as water oxidizing membrane or oils because the pressure of R410A refrigerant is higher than that of the former refrigerant by approx 1 6 times Accompanied with adoption of the new refrigerant re
180. more eT Refrigerant piping space MMD AP0071SPH C AP0091SPH C AP0121SPH C AP0151SPH C AP0181SPH C MMD AP0071SH C AP0091SH C AP0121SH C AP0151SH C AP0181SH C Refrigerant piping space lt Under air inlet gt 5 or more ry Ce T oc T 210 o Y 235 or more Air inlet Ceiling 50 or more ae 2500 or more 77777777777 Floor surface Back air inlet gt 7 E 5 or more e OO a Air inlet Y 210 235 or more Ceiling 300 or more E gt 2500 or more 77777777777 Floor surface Unit mm Service space MMD AP0071SPH C AP0091SPH C AP0121SPH C AP0151SPH C AP0181SPH C eS 50 945 gt ort 75 945 Service door Ceiling opening Y ae 645 MMD AP0071SH C AP0091SH C AP0121SH C AP0151SH C AP0181SH C lt Drain piping left side gt L arome Lac 50 Es 995 100 qd ctr 995 Y Service door Ceiling opening J Drain piping N Drain piping right side gt Drain piping Air outlet gt 100 lt 995 gt Service door Ceiling opening L 995 Youlllrilcloc 2 Unit mm LE Notification of
181. n on power to start operation YES YES 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 p which has used to send signals normally E06 is displayed However an emergent operation is available by inserting connector to be connected to CNO1 to CN33 Outdoor I F P C board failure Replace 98 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 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 Ut U2 U3 and U4 outdoor unit again Y Is indoor unit quantity connected NO STEP to outdoor unit correct Correct communication line Check code Check code name Cause of operation YES E15 42 No corresponding indoor un
182. n operating the protection device or abnormal time ao button When the button is pushed the operation starts and it stops by pushing the button again When the operation has stopped the operation lamp and all the displays disappear 9 Operation select button Selects desired operation mode 10 Set up temperature button Adjusts the room temperature Set the desired set temperature by pushing Cy or Ca OPTION Remote controller sensor UUsually 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 In case that one remote controller controls the multiple indoor units the setup operation is unavailable in group control 3 4 Correct Usage When you use the air conditioner for the first time or when you change the SET DATA value follow the proce dure below From the next time the operation displayed on the remote controller will start by pushing the DON OFF 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 ON OFF While using the air con
183. n the list Terminolog Check code AI NET Artificial Lighting n ALT Flashing is ntelligence IPDU Intelligent Power Drive Unit Flashing 6 Goes off alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Wireless remote controller Main remote controller display Outdoor 7 segment display Auxiliary code AI NET central control display Sensor block display of receiving unit Check code name Operation Timer Ready Flash Judging device E01 e Communication error between indoor and remote controller Detected at remote controller side Remote controller E02 Remote controller transmission error Remote controller E03 Communication error between indoor and remote controller Detected at indoor side Indoor E04 Communication circuit error between indoor outdoor Detected at indoor side Indoor E06 No of indoor units in which sensor has been normally received Decrease of No of indoor units VF Communication circuit error between indoor outdoor Detected at outdoor side VF Duplicated indoor addresses Duplicated indoor addresses Indoor I F Duplicated main remote controllers Remote controller Communication error between indoor MCU Indoor Indoor Outdoor communication Communication between outdoor units Automatic address
184. n work be sure that water dust former refrigerant or refrigerating oil does not enter the refrigerating cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are charged from those for the conventional refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please care so that water or dust does not enter Moreover do not use the existing piping because there are problems with pressure resistance force and impurity in it This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm To Disconnect the Appliance from Main Power Supply WARNING Ask an authorized dealer or qualified installation professional to install maintain the air conditioner Inappropriate installation may result in water leakage electric shock or fire Turn off the main power supply switch or breaker before attempting any electrical work Make sure all power switches are off Failure to do so may cause electric shock Connect the connecting wire correctly If the connecting wire is connected in a wrong way electric parts may be damaged When moving the air conditioner for the installation into another place be very careful not to enter any gaseous matte
185. name Cause of operation F29 12 Indoor other error Indoor P C board error d07 AI 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 f EEPROM was not inserted when power was turned 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 Power ON SET DATA is displayed gt SET DATA LED 002 1Hz flashes gt Reboot on main remote controller disappears for approx 10 seconds Reset on indoor unit P C board Repetition Check code name Check code name Cause of operation H02 1d Compressor error Lock Outdoor unit power line error d07 AI NET Compressor circuit system error 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 Is there any trouble of YES outdoor unit power supply Sub code 01 Compressor 1 side 02 Compressor 2 side Check I F P C board Is power voltage of NO outdoor unit normal 1 1 380 415V 10 YES Check code name Check code name Cause of operation H01 1F Compressor breakdown Outdoor unit power line error d07 AI NET Compre
186. ne was not cut according to the model Check model setup on outdoor I F P C board A ssy for service Inconsistent models of outdoor units Outdoor units of 1 series and those of 2 series were mixed Check outdoor units Corresponding indoor address FS unit system error Corresponding unit only stops An indoor unit which is not connected with FS unit is driving without setup for cooling only mode e Check setup of remote controller DN OFF Check FS unit Check pipe connection to FS unit Mispiping between discharge gas and suction gas Check miswiring misinstallation of SVS SVD valves AI NET Indoor Duplicated central control addresses All stop Duplicated central control addresses Check central control address Check network adaptor PC board In case of AI NET VF Quantity over of connected outdoor units All stop There were more than four outdoor units Check No of connected outdoor units Max 4 units per 1 system Check communication line between outdoor units Check outdoor P C board I F error IPDU1 error IPDU2 error IPDU1 2 errors Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error or communication error between IPDU and I F P C board or outdoor I F PC board error IPDU quantity error All stop No of IPDU units detected when power was turned on were less Check model setup for out
187. ng between indoor and outdoor units Control wiring between indoor units ALL 2 S Power supply cord t Electric parts e my Cable cramp Remote controller wire box cover Indoor unit Indoor unit Indoor unit Indoor unit Screw Earth Earth Earth Earth 2 positions uiua L N Cover plate Air filter Earth line Power supply cord Earth leakage breaker puit box power switch Address setup Pull box RS L N o i i ON TE Indoor power supply AJB AJB AJB 220 240V 50Hz 220V 60Hz Remote controller Remote controller Remote controller olen el 2p p b9Q D zd e e em enmmIHIIMIIHMeeHMeIIMeeIIMeeIIeIee d A Pull box Set up the addresses according to the Installation Manual attached to the outdoor unit 8c 9 APPLICABLE CONTROLS u NOTIFICATION Change on wired remote controller gt When using the equipment at the first time it will take a lot of time that the remote controller accepts an Be sure to set up a tap change based upon the Setup data External static pressure operation after power was on However it is not a trouble dun external static pressure of the duct to be 0000 10 Pa Standard At shipment Automatic address To set
188. ng fan control from remote controller Function 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 Use a fan which can receive the no voltage A contact as an outside input signal In a group control the units are collectively operated and they can not be individually operated 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 1 Push concurrently 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 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 Y or CA button specify the item code 7 ruin 4 Using the timer time or button select the setup data At shipment zzz The setup data are as follows Setup data Handling of operation of air to air heat exch
189. nge of current change 3 If OCR operates even after manual reset of OCR check whether the wiring to the YES ves current sensor T02 of Comp IPDU is correct or not Is not it an abnormal overload Correct cause of overload NO Take off lead cable of compressor Check code name Check code name Cause of operation YES Correct power line NO NO NO Operation starts Is connection of wir connector on IPDU ing or connection of PC board normal Correct connector connection or wiring YES Is winding resistance between phases of corresponding compressor normal Note 1 NO Compressor error Motor burning etc _ 1 Check resistance between windings It is normal if there are 0 7Q to 0 90 2 Check insulation between outdoor cabinet and terminal Check IPDU board It is normal if there are 10MQ or more 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 H03 17 Current detective 1 Cabling or connector connection error on IPDU P C board d07 AI NET Circuit system error 2 IPDU PC board error Sub code 01 Compressor 1 side 02 Compressor 2 side Correct connector connection or cabling Wiring or connector connection on IPDU board normal YES If it is
190. nnection 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 T81 sensor 02 TS2 sensor Checkcode code Check code name Cause of operation F06 18 TE1 sensor error TE1 sensor Open Short d07 AI 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 i i E T d07 AI 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 and characte
191. nnector coil no YES Is there a clogging YES Replace PMV body Are characteristics of sensor TC2 and TCJ resistance normal Replace TC2 or TCJ sensor Check indoor P C board Faulty Replace NO NO connection rmal YES Repair faulty parts Repair check valve Replace discharge pipe normal YES Is there a cause to interfere operation of heat exchanger of indoor unit NO Repair check valve Replace YES Eliminate the interfered causes 1 Air filter clogging 2 Heat exchanger clogging 3 Air short circuit TE Is SV5 circuit normal Repair SV5 circuit Coil error choke YES disconnection of cable etc Abnormal Check operation of 4 way valve Replace 4 way valve Normal Abnormal Check clogging of SV11 circuit Normal Are not indoor units of different Replace defective parts NO refrigerant circuit connected YES Refrigerant overcharge clogging pipe breakage abnormal overload condition Check and correct cabling itt ass with miscabling check function of outdoor unit Check code name Check code name Cause of operation P22 1A d07 AI NET Outdoor fan IPDU error Fan lock Fan IPDU PC board error Overload cause External cause such as blast Fan IPDU power P C board error 0 IGBT short circ
192. nnot 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 interchangeability R410A air conditioner installation Conventional air conditioner installation Used tool Whether conven tional equipment can be used Existence of new equipment for R410A Whether new equipment can be used with conventional refrigerant Flare tool Pipe flaring Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Torque wrench Connection of flare nut Gauge manifold Evacuating refrigerant charge run check etc Charge hose Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check 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 R41
193. nsert the soft socket of the attached flexible hose into the connecting port of the drain pipe until it strikes against the end Align the attached hose band to the end of the pipe connecting port and then tighten it surely REQUIREMENT Be sure to fix the soft socket with the attached hose band and set the tightening position at upper side Use the attached flexible hose by bending it with 45 or less so that no breakage or clogging occurs OK NO GOOD Side view Airoutlet_ SE y Riser Trap Side view Side view a Air outlet yp max Air outlet un 90 Bend 6 5 DRAIN PIPING WORK 5 1 3 Connection of drain pipe Connect the hard socket local supply to the hard Socket side of the attached flexible hose which has been installed Connect the drain pipes local supply successively to the connected the hard socket REQUIREMENT Using adhesive agent for vinyl chloride connect the hard vinyl chloride pipes certainly so that water does not leak It requires several times to dry and harden the adhesive agent Refer to Guide Manual of the adhesive agent In this time be sure not to apply force to the connecting section with the drain pipes 5 1 4 Drain up When a downward grading cannot be secured on the drain pipe a drain up work is possible Set the height of the drain pipe
194. nsor error Check full opening of 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 air short circuiting in outdoor unit Check clogging of SV2 circuit Check outdoor PC board I F error Check indoor fan system error Cause of air volume decrease Check valve opening of indoor PMV Check miscabling of communication line between indoor and outdoor Check operation error of check valve of discharge pipe Check circuit of gas balance SV4 valve Check mispiping of discharge gas suction gas main pipe Check operation error of check valve of discharge gas pipe Check circuit of SV11 valve Clogging OFF at one side only Check clogging of circuit at auxiliary heat exchanger side Miswiring Disconnection Wiring missing 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 Check circuit of SV5 valve Check refrigerant overcharge 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 sensor temp error TH sensor error Vdc error
195. ntion 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 valve temp Room temperature 21 C to 32 C Dry valve temp 15 C to 24 C Wet valve 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 Dry operation Outdoor temperature 15 C to 21 C Dry valve temp 15 C to 15 5 C Wet valve temp Room temperature 15 C to 28 C Dry valve temp If air conditioner is used outside of the above conditions safety protection may work 17 3 9 When the Following Symptoms are Found Check the points described below before asking repair servicing Check again It is not a failure Outdoor unit 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 sme
196. o the inlet of drain pump and then fix it with hose band Arrange handle of the hose band at contrary side of heat exchanger side and at direction remote from drain pan assembly 3 Carry out wiring as before and then perform work of procedure 2 of NOTE Finally check whether they correctly operate or not Evaporator assembly 1 Detachment 1 Recover refrigerant and then remove refrigerant pipes at indoor unit side 2 Perform works of procedures 1 of 1 of 1 of B Remove sensors 3 Take off screws of the pipe holder and remove the pipe holder 04 x 10 2 pcs 4 Take off screws of the heat exchanger support board Pipe side and remove the heat exchanger support board Pipe side 4 x 10 4 pcs 5 Take off screws of the heat exchanger support board Opposite side which fixes terminal block of the evaporator assembly O4 x 10 2 pcs 6 Remove the evaporator assembly Attachment 1 Fasten the parts as before in order Evaporator assembly Pipe holder Set sensors Drain pan assembly gt Under panel 2 Connect the refrigerant pipe as before and then perform vacuuming 122 Pipe holder Heat exchanger support board Pipe side 11 P C BOARD EXCHANGE PROCEDURES 11 1 Exchange of P C Board for Indoor Service Part code Model type P C board model Label display on P C board MMD AP k1SPH series 431 6V 269 MMU AP3ck18H series MCC 1402 03DD M03 Requi
197. ollowing 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 f 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 operation has finished be sure to return the temporarily removed group wire or CN41 connector to the original connection D Indoorunit Service P C board of Indoorunit Indoorunit P C board P C board the unit to be changed 1 a a 7 m A
198. oner at a height 2 5m or more from the floor If you insert your hands or others directly into the unit while the air conditioner operates it is dangerous because you may contact with revolving fan or active electricity A CAUTION Do not install the air conditioner in a location subject to a risk of exposure to combustible gas Should the combustible gas leak and collect near the unit fire may occur Upon approval of the customer install the air conditioner in a place that satisfies the following conditions Place where the unit can be installed horizontally Place where a sufficient servicing space can be ensured for safe maintenance and check Place where drained water will not cause any problem Avoid installing in the following places Place exposed to air with high salt content seaside area or place exposed to large quantities of sulfide gas hot spring Should the unit be used in these places special protective measures are needed Place exposed to oil vapor oil smoke or corrosive gas Place where organic solvent is used nearby Place close to a machine generating high frequency Place near door or window where may come to contact with the fresh air of high humidity Dewing may be caused Place where special spray is frequently used Place with poor ventilation Installation under high humidity atmosphere In some cases including the rainy season especially inside of the ceiling may becom
199. oor 7 segment display controller Check code Sub code IPDU1 error IPDU2 error IPDU1 2 errors Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error or communication error between IPDU and I F PC board or outdoor I F P C board error AI NET central control remote controller Detected Check code position IPDU communication error Error detection condition Check item position Check connection of communication connector and disconnection between IPDU and I F P C board Check outdoor PC board I F IPDU Fan IPDU error Check external noise Check power supply P C board for fan error Communication of each IPDU P C board in inverter box interrupted All stop Indoor TCJ sensor error Corresponding Resistance value of sensor is unit only stops infinite or zero Open Short Check connection cabling of TCJ sensor connector Check characteristics of TCJ sensor resistance value Check indoor P C board error Indoor TC2 Sensor error Corresponding Resistance value of sensor is unit only stops infinite or zero Open Short Check connection cabling of TC2 sensor connector Check characteristics of TC2 sensor resistance value Check indoor P C board error Indoor TC1 Sensor error Corresponding Resistance value of sensor is unit only stops infinite or zero Open Short Check connection ca
200. oor and outdoor units central control system wire and remote controller wire up to the position where pipes and wires are connected before hanged up the indoor unit The hanging bolts and nuts will be procured locally M10 or W3 8 Hanging bolt 4 pieces Nut M10 or W3 8 12 pieces Installation of indoor unit Use M10 hanging bolts 4 pcs to be local procure Matching to the existing structure set pitch according to size in the unit external view as shown below Steel flame structure New concrete slab Existing concrete slab Install the bolts with insert brackets or anchor Use existing angles or install new bolts support angles Use a hole in anchors hole in plugs or a hole in bolts Hanging bolt 7 amp Reinforcing f a Zt steel Do Anchor bolt CF X Y Blade type Slide type Pipe hanging bracket bracket anchor bolt Hanging bolt Support angle Attach the nuts M10 or W3 8 Procured locally and the attached washers 934 to the hanging bolt Hanging bolt 4 Ho Put washers at and down of T groove of the WS 8 or M10 Accessory hanging bracket of the indoor unit to hang down the indoor unit Nut W3 8 or M10 2 M10 flat washer Using a level vial check that four sides are Nut horizontal Horizontal degree Within 5mm WS 8 or M10 e 1 R
201. oor 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 Indoor 00 No header unit 02 Two or more header units Outdoor header units quantity error VF 01 Outdoor of other line connected 02 Indoor of other line connected Other line connected during automatic VF address Sending error in communication between outdoor units Duplicated follower outdoor addresses VF No of outdoor units which received signal normally Decrease of No of connected outdoor units VF 000 0 uu u e uu 00 n adin aide eu Detected outdoor unit number Follower outdoor error VF 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 I
202. operation Compressor trouble lock MG SW Overcurrent relay IPDU Comp 1 side Comp 2 side Current detect circuit system error IPDU H04 Comp 1 case thermo operation VF Low pressure protective operation VF H07 Oil level down detective protection VF H08 TK1 sensor error TK2 sensor error TK3 sensor error TK4 sensor error Oil level detective temp sensor error VF H14 Comp 2 case thermo operation VF H16 TK1 oil circuit system error TK2 oil circuit system error TK oil circuit system error TK4 oil circuit system error Oil level detective circuit error Magnet switch error Overcurrent relay operation VE MG SW Overcurrent relay Indoor center unit duplicated Indoor Outdoor line address duplicated VF Duplicated indoor units with priority Displayed in indoor unit with priority VF of indoor units with priority Duplicated indoor 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 I F Indoor capacity unset Indoor Outdoor capacity unset VF Duplicated central control addresses AI NET Indoor Over No of connected outdoor units VF IPDU1 error IPDU2 error IPDUS error Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU er
203. or 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 Correct connection of connectors TL sensor and TE1 sensor normal YES Check outdoor I F P C board Defect gt Replace 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 PMV1 2 Check code name Check code name Cause of operation F16 43 d07 AI 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 i NO Correct connection of connectors Are connection of Pd sensor and Pd sensor CN501 Red Ps sensor connectors correct Ps sensor CN500 White YES Are output voltage characteristics of 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 pressure sensor itself is considered If 2 and 3 are different check interface P C board Y Are Pd Ps output values Pd
204. or capacity over Excessive indoor units are connected Correct miswiring Correct HP setup Set capacity of connected indoor units within 13596 of outdoor units Set up outdoor HP Refer How to exchange interface P C board 1 When capacity of the outdoor unit is 12 up to the maximum capacity 120 of indoor units can be connected Check code Check code name Cause of operation E18 97 99 Communication error between Regular communication between indoor header d07 AI 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 group 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 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 AI NET Sub code 00 No header unit 02 Two or more header units Are not communi
205. or connection NO Check and correct circuit and cables Is power voltage of outdoor unit normal Correct power line and wiring normal Such as cabling to compressor etc YES YES YES NO Correct connection Is not grounded Compressor error Replace on IPDU P C board normal of wire connector NO YES YES NO Compressor error Replace YES NO YES Is smoothing condenser normal NO Check capacity coming out Is not winding opened Compressor error Replace 1500UF 350 external appearance NO YES Check IPDU P C board Replace IPDU P C board Failure Replace Is wire connector connection Is not winding shorted Is winding resistance 0 1 to 0 30 Check code name Check code name Cause of operation P31 47 Other indoor error Other indoor unit in the group is abnormal d07 AI NET Group follower unit error When the header unit of the group detected 03 L03 L07 LO8 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 201 Check code name Check code name Cause of operation 1 97 AI NET communication line error AI NET communication line error d07 AI NET NO Are AI NET X and Y UE E Correct communication line YES Are connections of CNO1 CNO2 and connectors on network adaptor P C board MCC 1401
206. ormal Exchange low pressure sensor 1 Pressure by pressure gauge Check joint s YES 2 Pressure display on 7 segment display Are service valves of NO 3 Output voltage of I F P C board gas pipe and liquid pipe of gt Open service valves fully If 1 and 2 3 are different an error of pressure sensor error is considered outdoor unit fully opened If 2 and 3 are different check I F P C board Are SV2 and SV4 circuits normal NO Correct SV2 and SV4 circuits Check miscabling misinstallation and YES connector connection Are outdoor PMV1 2 3 normal NO Is there no mispiping of discharge gas YES 1 Connector connection Repai and suction gas main pipes Correct piping 2 Wiring 3 Coil gt epair outdoor PMV 4 Valve body 5 I F P C board Connector CN300 301 White NO Is not indoor unit with different circuit connected XES Correct cabling Check with miscabling check Y NO function of outdoor unit Operation starts Is flow selector normal S Check flow selector YES In cooling season go to A In heating season go to B Are SV41 and SV42 Valve circuits normal 1 Misinstallation installation and connector connection of SV41 and SV42 2 Leakage from SV41 42 circuit A Cooling Does indoor fan normally NO operate in cooling season YES YES Is there clogging of indoor air filter or heat exchanger NO Is indoor PMV normal NO SV4 valve Connector CN3
207. otation 2 digits Alphabet Decimal notation 2 digits Daily maintenance Characteristics of code classification Few classification of communication incorrect setup system Many classification of communication incorrect setup system Cleaning of air filter Communication Incorrect setup 4 ways Indoor protection Block display Indoor P C board Outdoor P C board Cycle Communication Outdoor protection Sensor Compressor protection etc 1 If HA is displayed on the remote controller contact to service on maintenance professional to int lt Display on wired remote controller gt Display Sa cleaning the air filter 1 E A goes on er 2 n M Y DON OFF UNIT No Check code Operation lamp Green flash 2 Clogging of the air filter decreases cooling C b Central control system error heating efficienc Display on sensor part of wireless Communication system error eating y Block display of combination of IOl IO Each sensor error Failure Ca i indi n 3 After cleaning push 5 UNT lt Display on indicater on wiress remote controller Compressor protective system error receiver part Dew EG display disappears Unit No and check code are displayed M Setup error Other errors In a case of error with auxiliary code check code and auxiliary code are displayed a
208. p motor drives automatically Check water is drained from the drain pipe connecting port and then check there is no water leak from the drain pipes After check of draining and water leak turn off the power supply attach the float switch connector to the original position CN34 of P C board and then set the electric parts box as before 220V 50Hz 2 White CN34 RED c gt Pull out connector CN34 Red from P C board Black A CAUTION Pour water slowly If it is poured urgently water is spread inside of the indoor unit resulted in a trouble drain pan and bend it downward i n e fi lo Insert the edge of hose into the p Cover plate 5 5 amp Water 1500cc 2000cc Heat insulating process After drain check using the attached heat insulator for drain connecting section wrap the flexible hose Flexible hose Hose band without clearance from the end of the drain pipe connecting port of the indoor unit Covering the attached heat insulator for drain connecting section wrap the drain pipe with heat insulator local supply without clearance i Heat insulator t be Attached heat insulator procured locally Hard vinyl chloride pipe Ov 5 DRAIN PIPING WORK 5 2 In case of drain up pump less model MMD AP0071SH C to AP0181SH C 5 2 1 Pipe material Insulator and size The following materia
209. p on the piping It may cause an abnormal sound Arched For length of the traversing drain pipe restrict to 20m or less In case of a long pipe provide support brackets with interval of 1 5 to 2m in order to prevent waving Set the collective piping as shown in the right figure Do not mount an air purge pipe otherwise drain water spouts out resulted in water leak The hard vinyl chloride pipe cannot be directly connected to the drain pipe connecting port of the indoor unit For connection with the drain pipe connecting port be sure to fix the attached flexible hose Adhesive agent cannot be used for the pipe connecting port hard socket of the indoor unit Be sure to use the attached hose band for fixing otherwise damage or water leakage of the drain pipe connecting port is caused Collective pipes 5 1 2 Connection of flexible hose shape NO GOOD Trap As long as possible 100mm or more VP25 VP25 VP25 VP30 more Downward slope 1 100 or more Drain pipe connecting port 025 vinyl chloride pipe Hard socket Local supply Align the attached hose band to the end of hose set the tightening position upward and then tighten it d Soft socket Adhesive agent prohibited Indoor unit Hard socket Socket for VP25 Local supply I
210. played The display changes according 0001 20Pa indoor unit No becomes the header unit to the indoor unit model Every pushing button the indoor unit No in the group control is displayed successively Select an indoor unit of which setup to be changed In this time the position of the indoor unit of which setup to be changed can 0003 35 Pa be confirmed because the fan and the flap of the selected indoor unit work LLU UULU CN112 CN111 CN110 Using CY CA buttons of set temperature specify the item 5 CN112 111 CN110 code E 0006 50Pa Using buttons of timer time select set data Push 5 button In this time if the display changes from flashing to lighting the setup completes C To change the setup of an indoor unit other than the selected one start operation from Procedure 2 To change the setup of another setup in the selected indoor unit start operation from Procedure 3 Pushing amp button clears the set up contents which have been already set In this case retry from Procedure 2 When the gt setup finished push S button The setup is determined Pushing S button deletes the display and returns the status to normal stop status For some time after ex button has been pushed the operation of the remote controller cannot be accepted 6c 9 APPLICABLE CONTRO
211. 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 Check code name Check code name Cause of operation 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 in case of compressor shell YES Is not TK1 sensor detached Correct installation of sensor NO 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 High pressure sensor Check joint Repair the defective parts Correct miscabling misinstallation T m YES 1 14 Is there no miscabling or misinstallation TK2 CN515 on 1 2 4 sensors TK3 CN516 TK4 CN523 Characteristics 4 NO Are characteristics of TK1 sensor NO resistance value normal Td Sensor error Outdoor unit temp sensor characteristics 4 YES Error Start a test pparaton I COOL or HEAT mode Replace clogged par
212. r 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 AI NET v8 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 ren 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 CNO1 connector on outdoor I F PC board normal Correct cabling of cable connector YES YES Is there no error on Is F400 fuse on Y power wire to outdoor unit VF P C board opened NO Is power of indoor turned A 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 Tur
213. r other than the specified refrigerant into the refrigeration cycle If air or any other gas is mixed in the refrigerant the gas pressure in the refrigeration cycle becomes abnormally high and it as a result causes pipe burst and injuries on persons Do not modify this unit by removing any of the safety guards or by by passing any of the safety interlock switches Exposure of unit to water or other moisture before installation may cause a short circuit of electrical parts Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully if there are possible damage Do not install in a place that might increase the vibration of the unit To avoid personal injury with sharp edges be careful when handling parts Perform installation work properly according to the Installation Manual Inappropriate installation may result in water leakage electric shock or fire When the air conditioner is installed in a small room provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not exceed the critical level Install the air conditioner securely in a location where the base can sustain the weight adequately Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit If refrigerant gas has leaked during the installation work ventilate the room i
214. r sides are horizontal Horizontal degree Within 5mm 1 Required those other than M10 flat washer at site 2 To prevent falling off of bolt safety be sure to set it just under the hanging bracket as shown in the figure 5 DRAIN PIPING WORK Pipe material Insulator and size The following materials for piping work and insulating process are procured locally A CAUTION Following the Installation Manual perform the drain piping work so that water is properly drained and apply a heat Hard vinyl chloride pipe socket for VP25 insulation so as not to cause a dew Pipe material i i i Inappropriate piping work may result in vinybenloride pps VEES Nominal outer diameter 2 water leakage in the room and wet of furniture Foamed polyethylene foam thickness Insulator 10mm or more REQUIREMENT Be sure to perform heat insulation of the drain pipes of the indoor unit Never forget to perform heat insulation of the connecting part with the indoor unit An incomplete heat insulation causes dewing Set the drain pipe with downward slope 1 100 or more and do not make swelling or trap on the piping It may causo an abnormal sound Aiched N For length of the traversing drain pipe restrict to 20m or less shape O In case of a long pipe provide support brackets with interval of P NA GOOD 1 5 to 2m in order to prevent waving Trap Set the collective piping a
215. r to Owner s Manual of the central control remote controller 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 DON OFF 2 button only FILTER RESET TEST 1 Air volume select button Selects the desired air volume mode The Concealed Duct High Static Pressure type models cannot be operated 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 7 is displayed on the remote controller when pushing the FAN button a fan is not connected Filter reset button Resets Erases FILTER display Wind direction and Swing UNIT If the multiple indoor units are operated by only one remote controller select the units when the air direction is adjusted SWING FIX Set up the auto swing and angle of the flap This function is not provided to Concealed Duct Standard Type High Static Pressure Type Floor standing Cabinet Type Floor Standing Concealed Type or Slim Duct Type 12 SWING FIX VENT DRO 7 Operation lamp Lamp is lit during the operation Lamp is off when stopped Although it flashes whe
216. r unit No becomes the header unit The display changes according to the indoor unit model Indoor unit Indoor unit Indoor unit Earth Earth Earth Earth L N Q LIN U1 U2 AJB AJB Indoor power supply 220V 50Hz Remote controller Remote controller Remote controller Lo er be PSS CES RE es ee nene Earth leakage breaker box Pull box Pull box power switch Address setup Set up the addresses according to the Installation Manual attached to the outdoor unit Every pushing button the indoor unit No in the group control is displayed successively Select an indoor unit of which setup to be changed In this time the position of the indoor unit of which setup to be changed can be confirmed because the fan and the flap of the selected indoor unit work Using CY buttons of set temperature specify the item code Using buttons of timer time select set data Push 5 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 To change the setup of another setup in the selected indoor unit start operation from Procedure 3 Pushing amp button clears the set up con
217. r units It requires approx 1 minute to operate the remote controller The item code DN is consisted with Z to 7 DN No may jump on the way Even if pushing S button after changing the data incorrectly the data can be returned to one before change by pushing button before changing the item code DN EEPROM layout 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 n exchanging time pay attention not to bend the lead wire of IC P C board MCC 1402 P C board MCC 1403 EPROM IC10 Align notch directions of IC socket and EEPROM for installation NU E EJ q Notch LE co IC socket Notch EPROM EPROM IC10 126 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
218. rculator etc to circulate heat air near the ceiling Follow to the basic operation procedure 1525 354555 6 For the item code in Procedure 3 specify 06 For the set data in Procedure 4 select the setup data of shift value of detection temperature to be set up from the table below Setup data Detection temp shift value 0000 No shift 0001 1 C 0002 2 C At shipment from factory 0003 3 C 0004 4 C 0005 5 C 0006 6 C Group control In a group control a remote controller can control up to maximum 8 units For cabling procedure and cables of the individual line Identical refrigerant line system refer to Electric work in this Manual Cabling between indoor units in a group is performed in the following procedure Connect the indoor units by connecting the remote controller inter unit cables from the remote controller terminal blocks A B of the indoor unit connected with a remote controller to the remote controller terminal blocks A B of the other indoor unit No polarity For address setup refer to the Installation Manual attached to the outdoor unit Before test operation 10 TEST RUN WARNING Before turning on the power supply carry out the following items To protect the compressor at 1 Using 500V megger check there is 1MQ or more between the terminal block of the power supply and the earth If 1MQ or less is detected do not run the
219. rement at exchange of P C board assembly for indoor service Before exchange in the fixed memory hereinafter EEPROM IC10 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 Exchange procedure 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 Exchange of P C board for service amp power ON Procedure 2 Writing in of the readout EEPROM data Procedure 3 Power supply reset All the indoor units connected to the remote controller in case of group operation control 123 Method 2 Before exchange it is impossible to read out the setup contents due to EEPROM error Exchange of P C board for service amp power ON Procedure 2 Writing in of the setup data such as the model name capacity code indoor unit address high ceiling setup connect
220. rigerant pipe Connect all the refrigerant pipes with flare connecting Work Since the atmospheric pressure only is sealed as the sealing gas it is not abnormal that Pushu sound is not heard when the flare nut is removed Be sure to use a double spanner for pipe connecting work of the indoor unit y Work using double spanner Refer to the following table for tightening torque Connecting pipe Tightening torque outer dia mm Nem Re tightening torque N m 06 4 14 1018 1 4 to 1 8 kgfem 18 1 8 kgf m 09 5 33 to 42 3 3 to 4 2 kgf m 42 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m 62 6 2 kgf m Be sure to use the tool such as charge hose exclusive to R410A Do not turn on the power until the airtight test and the vacuuming have finished If turning on the power the incorporated PMV is closed fully and the period until the vacuuming finishes elongates Open fully valves of the outdoor unit Gas leak check Check with a leak detector or soap water whether gas leaks or not from the pipe connecting section or cap of the valve Use leak detector manufactured exclusively for HFC refrigerant R410A R134a etc 9c 7 REFRIGERANT PIPING Heat insulating process Perform heat insulating for pipes at liquid side and gas side separately In cooling time temperature at both liquid and gas sides becomes lower Therefore perfor
221. ristics 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 AI 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 Check code name F13 43 d07 AI 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 06 Check code name Check code name Cause of operation Outdoor temp sensor miscabling TE1 TL F15 18 d07 AI 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 positions of Are installed positions of TE1 sensor and TL sensor correct YES Are connection of TE1 sensor connect
222. ror AIT IPDU error No of IPDU error Indoor outside interlock Indoor Detected indoor address 06 IPDU2 Fan IPDU error 07 All IPDU error Extended I C error VF ct 1 1 TROUBLESHOOTING Check code Wireless remote controller Main remote controller display Outdoor 7 segment display Auxiliary code AI NET central control display Sensor block display of receiving unit Operation Timer Ready Flash Check code name Judging device P01 11 wu ar Indoor fan motor error Indoor 1E e H ALT Discharge temp TD1 error VF 01 Comp 1 side P04 02 Comp 2 side 21 ALT High pressure SW system operation IPDU 101 Phase missing detection 102 Phase error AF ALT Phase missing detection Phase error VF 101 Comp 1 side PO7 102 Comp 2 side IC ALT Heat sink overheat error IPDU I F P10 Detected indoor address Ob ALT Indoor overflow error Indoor 11 ALT Indoor fan motor error Indoor P13 47 ALT Outdoor liquid back detection error VF 01 TS condition P15 102 TD condition AE ALT Gas leak detection VF P17 bb ALT Discharge temp TD2 error VF P19 Detected outdoor unit number O8 ALT 4 way valve inverse error VF P2
223. ror OCR operation The follower unit continues operation All stop Over current was detected Check compressor error several seconds after header Check power voltage AC380 10 415V 10 compressor had started Check cable of compressor and phase missing Check connector terminal connection on IPDU PC board Check conduction of case heater Check activation error due to liquid stagnation in compressor Check outdoor P C board IPDU error Check outdoor MG SW or OCR MG SW Magnet Switch OCR Over current Relay Z Check code Main Outdoor 7 segment display remote controller Check code Sub code 01 Compressor 1 side 02 Compressor 2 side AI NET central control remote controller Detected position Check code name Current detection circuit system error Error detection condition 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 Check full opening of service valve Gas and liquid side Check outdoor PMV clogging PMV1 2 3 Check SV41 circuit leakage Check miscabling misinstallation of SV4
224. rts Part name Shape Usage Installation Manual This manual Insulating pipe CD Washer M10 x 934 Hose band Flexible hose Be sure to hand over to customers For insulating pipe connecting section For hanging down the unit For connecting drain pipe For adjustment of drain pipe centering Heat insulator For insulating drain connecting section 1 PRECAUTIONS FOR SAFETY Ensure that all Local National and International regulations are satisfied Read this PRECAUTIONS FOR SAFETY carefully before Installation The precautions described below include the important items regarding safety Observe them without fail After the installation work perform a trial operation to check for any problem Follow the Owner s Manual to explain how to use and maintain the unit to the customer Turn off the main power supply switch or breaker before the unit maintenance Askthe customer to keep the Installation Manual together with the Owner s Manual CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER The characteristics of R410A refrigerant are easy to absorb water oxidizing membrane or oil and its pressure is approx 1 6 times higher than that of refrigerant R22 Accompanied with the new refrigerant refrigerating oil has also been changed Therefore during installatio
225. s 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 connecting pipe Suction gas Discharge gas wiring between FS unit and indoor unit and connection of connectors Check miswiring of SVS SVD valves GZ Check code Detected Main Outdoor 7 segment display AI NET position remote central control controller Check code Sub code remote controller Check code name Error detection condition Check item position H16 H16 01 TK1 oil circuit system error d7 VF Oil level detective circuit system error All stop Temperature change of TK1 Check TK1 sensor coming off 02 TK2 oil circuit system error MG SW error could not be detected though Check characteristics of TK1 sensor resistance value 03 TK3 oil circuit system error OCR operation compressor 1 started the Check TK1 TK2 TK3 and TK4 misconnection 04 oil circuit system error operation Check operation error of SV3E valve Check capillary clogging of oil equation circuit and operation error of stop valve Check refrigerant stagnation in compressor Check MG SW or OCR Temperature change of TK2 Check TK2 sensor coming off could not be detected though Check characteristics of TK2 sensor resistance value ed ches 2 started the Check TK1 TK2 TK3 and TK4 misconnection bons Check SV3E valve operation Check capillary clogging of oil eq
226. s shown in the right figure As long as possible 100mm or more Do not mount an air purge pipe VP25 VP25 VP25 otherwise drain water spouts out resulted in water leak The hard vinyl chloride pipe cannot be directly connected to the drain pipe connecting port of the indoor unit For connection with the drain pipe connecting port be sure to fix the attached Ped RS port 25 vinyl chloride pipe 7 Local supply Hope Nose Align the attached hose band to the Adhesive agent cannot be used for the pipe end of hose set the tightening connecting port hard socket of the indoor unit postion upward and tighten it Be sure to use the attached hose band for i ES Soft socket Hard socket Socket for VP25 fixing otherwise damage or water leakage of Local supply Adhesive agent prohibited 1 5m to 2m Support 2 TT bracket Heat 1 100 insulator downward Collective pipes F N VP30 or more Downward slope 1 100 or more Indoor unit the drain pipe connecting port is caused Connection of flexible hose Insert the soft socket of the attached flexible hose into the connecting port of the drain pipe until it strikes against the end Align the attached hose band to the end of the pipe connecting port and then tighten it surely
227. sable if a counter flow preventive adapter is attached Vacuum pump with counter flow preventive adapter Vacuum drying O R22 Existing article Flare tool Flare processing of pipes O Usable by adjusting size Bender Bending processing of pipes O R22 Existing article Refrigerant recovery device Recovers refrigerant Exclusive to R410A Torque wrench Tightens flare nut 012 7mm Exclusive for 15 9mm Pipe cutter Cuts pipes O R22 Existing article Exclusive to R410A ID Refrigerant name entered Refrigerant cylinder Charges refrigerant Welding machine Nitrogen gas cylinder Welding of pipes O R22 Existing article Refrigerant charging balance Charges refrigerant R22 Existing article 3 SELECTION OF INSTALLATION PLACE WARNING Install the air conditioner where there is sufficient strength to weight of the unit If strength is insufficient the unit may fall down resulting in human injury Perform a specified installation work to guard against an earth quake An incomplete installation can cause accidents by the units failing and dropping Install the air conditioner at a height 2 5m or more from the floor If you insert your hands or others directly into the unit while the air conditioner operates it is dangerous because you may contact with revolving fan or active electricity A CAUTION Do not install the air conditioner in a location subject to a
228. sconnection on communication line between outdoor units 1 NO Is connection of CNO3 connector on outdoor I F P C board normal NO Correct cabling of cable connector YES Turn on main power of outdoor unit YES Is not main power of outdoor unit turned off NO Is the end terminal resistance between outdoor units turned on SW30 Bit 1 NO Turn the end terminal resistance to ON 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 Check code Check code name Cause of operation E25 15 Duplicated address setup of Addresses are duplicated by manual setting of d07 AI NET terminal outdoor units outdoor address Never set up the outdoor address manually Check code E26 15 d07 AI NET Check code name Cause of operation Decrease of connected outdoor units Outdoor unit backup setup Outdoor power error Communication line connection error between outdoor units Connector connection error for communication Outdoor I F P C board error Sub code No of outdoor units which receiv
229. scribed items thoroughly in the following contents and keep them 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 2 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 For details refer to 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 It causes an injury with tools or disassembled parts Do not bring a child 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 g
230. sensors Pd and Ps error Check outdoor PC board I F error Check compression error of compressor Ps sensor error All stop Output voltage of Ps sensor Misconnection of Ps sensor and Pd sensor connectors was zero Check connection of Ps sensor connector Check Ps sensor error Check compression error of compressor Check 4 way valve error Check outdoor PC board I F error Check SV4 circuit error Pd sensor error All stop Output voltage of Pd sensor Check connection of Pd sensor connector was zero Sensor Open Check Pd sensor error Pd gt 4 15MPa during stop Check outdoor PC board I F error compressor Indoor other error Corresponding unit only stops Indoor PC board did not operate normally 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 Check power noise Check outdoor PC board I F error 01 Compressor 1 side 02 Compressor 2 side Compressor breakdown All stop Inverter current detection circuit e Check power voltage AC220 240V 10 detected over current and Check compressor error stopped Check cause of abnormal overload operation Check outdoor PC board IPDU error 01 Compressor 1 side 02 Compressor 2 side 1 All stop only in case of the header unit Compressor error lock MG SW er
231. sinstallation Is there no miscabling or misinstallation YES TKI gt CN514 TK2 CN515 on TK1 TK2 TK3 TK4 sensors TK3 CNB16 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 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 AI 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 s
232. sistance value at motor side of fan motor connector CN334 on indoor P C board MCC 1402 correct 2 YES 2 Check resistance value of fan motor position detective circuit 15 not winding 1 Yellow lead to 4 Pink lead opened shorted Resistance should be 5 to 20kQ Sub code Indoor address with trouble Is float SW connector Indoor control board CN34 NO connected normally YES Does float SW operate YES Does drain pump operate YES Check drain pipe etc NO YES Is power supply to drain pump normal ES Y Replace drain pump and check cabling NO Correct connector connection Check indoor P C board Failure 25 Replace Check indoor P C board Failure Replace Check there is 380 415V voltage of 1 3 pin of CN68 on indoor P C board Is output of indoor fan motor position NO detective signal correct 3 YES 3 Check fan motor position detective signal Between 4 and 5 5V Replace indoor fan motor 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 Check indoor P C board MCC 1402 Failure Replace coL Check code name Check code name P13 47 d07 AI NET Are connec
233. sition If the resistance value is low a disaster such as a leak or electric shock is caused at user s side Insulator check When the refrigerant gas leaks during work execute ventilation 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 When checking the circuit inevitably under condition of the power ON use rubber gloves and others not to touch to the charging section 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 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 Inst
234. ssor circuit system error NO YES Compressor error Does OCR of MG SW operate Reset OCR manually 3 Cause of abnormal overload operation IPDU PC board error NO Compressor error Refrigerant stagnation in compressor shell IPDU board error Check power voltage and line Correct power line Check external noise etc Does voltage drop occur YES when other compressor starts Correct power line NO Correct connector connection or wiring Is wiring or connector connection on IPDU P C board normal Sub code 01 Compressor 1 side 02 Compressor 2 side YES NO YES Is power voltage of outdoor unit normal Is not it an abnormal overload Correct cause of overload 380 415V x 1096 YES iil NO Correct refrigerant stagnation Is there no refrigerant stagnation compressor shell in compressor shell Does voltage drop occur when other compressor starts Is case heater output normal NO Check case heater NO Is compressor normal 2 Compressor error YES 2 Check the following items mainly 1 Existence of abnormal sound and abnormal vibration during operation or starting Check IPDU board 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 cha
235. switch of the indoor unit connected to the same outdoor unit so that they are commonly used e Power supply cord specification Cable 3 core 2 5mm2 in conformity with Design 60245 IEC 57 220 240V 50Hz Power supply 220V 60Hz Power supply switch Earth leakage breaker or power supply wiring fuse rating for Power supply indoor units should be selected by the accummulated total current values of the indoor units Below 20m Twist wire 2 0 mm Power supply wiring Below 50m Twist wire 3 5 mm Control wiring Central controller wiring 2 core with polarity wires are used for the Control wiring between indoor unit and outdoor unit and Central controller wiring To prevent noise trouble use 2 core shield wire The length of the communication line means the total length of the inter unit wire length between indoor and outdoor units added with the central control system wire length Control wiring between indoor unit and outdoor unit 2 core shield wire Up to 1000m Twist wire 1 25 mm Wire size Up to 2000m Twist wire 2 0 mm Communication line Central control line wiring 2 core shield wire Remote controller wiring 2 core with non polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring CAUTION The remote controller wire Communication line and AC220 240V wires cannot be parallel to contact each other and cannot be store
236. t TK1 sensor temp is displayed on 7 segment display with SW01 02 03 1 11 2 Solenoid valve High pressure SW 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 No error Strainer Capillary tube TK1 Oil tank Check the clogging of SV3E valve Error il tan Note 1 F Note 1 Refer to item H07 error Solenoid No error valve Check I F P C board Replace SV3E valve Balance pipe Packed valve 96 Check code name H16 d7 d07 AI NET Oil level detective circuit system error Sub code 02 Check code name Cause of operation Detachment of TK2 sensor miscabling characteristics error of resistance value Oil equalization circuit error Check valve capillary clogging strainer clogging Refrigerant stagnation in compressor shell YES Is not TK2 sensor detached NO Y Correct installation of sensor Correct miscabling misinstallation Is there no miscabling or misinstallation YES on TK1 TK2 TK3 TK4 sensors NO Y 1 1 TK2 CN515 TK3 CN516 TK4 CN523 Are characteristics of TK2 sensor resistance value normal YES NO Outdoor unit temp sensor charac
237. t and IPDU connected d07 AI NET NO Is TC2 sensor connector CN101 Black Replace communication line on indoor P C board normally connected gt Correct connection of connector YES NO Is there no disconnection of communication line between I F fan power supply board and IPDU Are characteristics of TC2 sensor NO YES Indoor unit temperature sensor characteristics NO See Characteristics 2 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 Check indoor main P C board Defect Replace 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 Check code Check code name Cause of operation F03 93 Indoor TC1 sensor error TC1 sensor Open Short d07 AI NET 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 Jand GND at the side of CN505 5V Replace fan power supply P C board NO Is TC1 sensor connector CN100 Brown on indoor P C board normally connected Correct connection of connector Replace P C board according to auxiliary code Auxi
238. t in cooling operation Controls under cool in heating operation Recovers refrigerant oil in cooling operation Recovers refrigerant oil in heating operation 2 3 4 Temp sensor Connector CN104 2P White 1 Detects indoor suction temperature Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation Connector CN101 2P Blue 1 Controls PMV under cool in heating operation Connector CN102 2P Yellow 1 Controls PMV super heat in cooling operation 52 6 CONTROL OUTLINE 6 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 controller the operation mode is se lected Remote controller ntrol lin comimand Control outline STOP Stops air conditioner FAN Fan operation COOL Cooling operation DRY Dry operation HEAT Heating operation COOL HEAT AUTO COOL HEAT
239. tact 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 AI NET Indoor Outdoor communication circuit error Power of outdoor unit was firstly turned on Connection error of communication line 8 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 NO Check power connection status of i n f 2 Is power of each indoor unit turned on indoor unit Turn on power again of indoor unit outdoor unit indoor unit gt outdoor unit YES YES gt NO Check indoor P C board Defect Replace Is power applied to remote controller AB terminals Approx DC18V Correct inter unit wire Is connection U1 U2 terminals of NO indoor outdoor inter unit wire normal YES Is setup of two remote controllers YES Change one to main other to sub Is connector connection 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
240. tart 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 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 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 Characteristics 2 Sensor error gt Replace YES Cnam NN Abnormal Check leakage of SV6 circuit Replace defective parts c Clogging check for SV3B valve For multiple outdoor unit system While outdoor unit is operated set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 for 2 seconds or more Set 02 9 and turn on SV3A SV3B SV3C valves 7 segment display Hr 3 While outdoor unit is operating check temperature change at secondary side of SV3B valve in t
241. temperature display The selected set up temp is displayed 1 1 Remote controller sensor display Displayed while the sensor of the remote controller is used 12 13 14 15 16 17 11 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 or heating operation is impossible because the outdoor temperature goes out of the operable range 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 NS HIGH 2 MED LOW 8 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 to gether with the central control remote controller etc If Remote controller is prohibited at the centralcontrol side 4 3 flashes when operating DON OFF 2 CH Ga 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 refe
242. tents which have been already set In this case retry from Procedure 2 When the setup finished push button The setup is determined Pushing 3 button deletes the display and returns the status to normal stop status For some time after D button has been pushed the operation of the remote controller cannot be accepted Sy 9 APPLICABLE CONTROLS Setup of external static pressure lt Change on wired remote controller gt Be sure to set up a tap change based upon the Setup data External static pressure resistance external static pressure of the duct to be 0000 10 Pa Standard At shipment connected To set up a tap change follow to the basic operation 0001 20 Pa High static pressure 1 procedure 15253545556 0003 35 High static pressure 2 Specify 5d to the item code in procedure 3 For the setup data of procedure 4 select a setup data of the external static pressure to be set up from the following table 0006 50 Pa High static pressure 3 In case of remote controller less Group control For setup to the high ceiling or change of the air filter specifications There is selecting method by exchanging the short plugs on the indoor microcomputer P C board as shown in the following table other than selecting method by standard wired remote controller sold separately Utilize this method for remote controller less Group control case However when the set
243. teristics 4 YES Does OCR of MG SW operate NO After power reset Start a test operation in COOL or HEAT mode TK2 sensor temp is displayed on 7 segment display with SW01 02 03 1 12 2 Reset OCR manually 2 Replace clogging part Check TK2 sensor temp approx 10 minutes after compressor 2 has operated If low temperature continues approximately outside temp or temperature does not almost change a clogging of strainer of oil equalization circuit clogging of capillary or malfunction of check valve is considered No error Compressor 2 Strainer Capillary tube Error Oil tank Check the clogging of SV3E valve 1 No error Check I F P C board 1 Refer to item HO7 error Replace SV3E valve 2 f OCR operates even after manual reset of OCR check whether the wiring to the current sensor 02 of Comp IPDU is correct or not Check code name H16 d7 d07 AI NET TK3 temperature detective circuit error Check code name Cause of operation Detachment of TK3 sensor miscabling characteristics error of resistance value Error of SV3C valve circuit periphery Check capillary clogging strainer clogging Refrigerant stagnation in compressor shell Sub code 03 Is not TK3 sensor come off NO YES Correct installation of sensor Correct miscabling misinstallation Is there no miscabling or
244. the left figure goes on TNs NT NT NP Follower requests oil equalization P u2 U3 U4 Outdoor unit number 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 communication 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 ke Start input 1 Stop input 0 Night low noise operation Normal Operation input KOK Snow fan operation Normal Operation input Option control BUS line input Same as above Unused mark Indicates none on display 109 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 c
245. the setup value was detected Input power supply terminal of the fan IPDU was unconnected Power supply P C board error of the fan IPDU Check input power supply voltage of the fan IPDU Check power supply P C board error of the fan IPDU 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 Check connector connection and wiring on IPDU PC board Check compressor error and defect of compressor coil 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 Check connector connection and wiring Check compressor error and defect of compressor coil Check PC board IPDU error 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 Check indoor PC board L8 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 control
246. the to back air inlet type Back air inlet gt N S Remove the cover plate and then fix it to the bottom surface Air filter Main unit Air filter lt Force after remover Remove the filter from the main unit while pushing down on the tabs Do surely hooking to the main unit Notification of filter cleaning term setup The lighting term setup of the filter sign Notification of filter cleaning of the remote controller can be changed according to the condition of installation For setup method refer to Change of lighting term of filter sign and To secure better effect of heating in the Applicable controls of this Manual In case of wireless type The sensor of indoor unit with wireless remote controller can receive a signal 8m or less Based upon it determine a place where the remote controller is operated and the installation place of the indoor unit To prevent a malfunction select a place where is not influenced by a florescent light or direct sunlight Two or more Up to 6 units indoor units with wireless remote controller can be installed in the same room c 4 INSTALLATION OF INDOOR UNIT WARNING Install the air conditioner certainly to sufficiently withstand the weight If the strength is insufficient the unit may fall down resulting in human injury Perform a specified installation work
247. ther indoor unit error Group terminal unit error By alarm device Error in indoor group AI NET communication system error Error detected by TCC LINK central control device Check code Wireless remote controller Central control device indication Outdoor 7 segment display Auxiliary code Sensor block display AI NET central of receiving unit control display Operation Timer Ready Flash Duplicated network adaptors Check code name Judging device C05 Sending error in TCC LINK central control device TCC LINK C06 Receiving error in TCC LINK central control device TCC LINK C12 Batch alarm of general purpose equipment control interface General purposeequipment VF Differs according to error contents of unit with occurrence of alarm Terminolo TCC LINK TOSHIBA Carriea Cominication Link L20 is displayed Group control branching unit error Duplicated central control addresses TCC LINK 6v 11 tROUBLESHOOTING 12 MAINTENANCE N For maintenance be sure to turn off the main power switch 1 Difference between the new check code and the current system A CAUTION The displaying method of the check code changes in this model and after Do not handle the buttons with wet hands otherwise an electric shock may be caused Check code in current system New check code Used characters Hexadecimal n
248. tions of outdoor NO Outdoor liquid back detection error Cause of operation PMV1 PMV2 error 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 Correct connector connection PMV1 PMV2 connectors correct YES Y CN300 CN301 PMV error Are operations of outdoor NO PMV1 PMV2 normal YES NO Pd sensor Ps sensor Are characteristics of Pd sensor Ps sensor error output voltage normal Correct connector connection YES NO Is SV2 valve coil correctly connected YES YES Is there no miswiring or CV2 CN302 misinstallation on TS1 and TS2 sensors NO Check I F P C board Correct miswiring installation Check code name Check code name P15 AE d07 AI NET Gas leak detection TS condition Sub code 01 NO Cause of operation Outdoor unit service valve closed Outdoor PMV error TS1 sensor error Refrigerant shortage clogging refrigerant circuit 4 way valve error SV4 circuit error Are service valves at gas and liquid side fully opened YES Is outdoor PMV1 2 normal 1 Connector connection 2 Wiring NO Open service valves fully 3 Coil 4 Valve body 5 Outdoor I F P C board YES NO Are characteristics of Connectors CN300 301 W
249. tive temp sensor error VF Comp 2 case thermo operation VF TK1 oil circuit system error TK2 oil circuit system error TK3 oil circuit system error TK4 oil circuit system error Oil level detective circuit error Magnet switch error Overcurrent relay operation VE MG SW Overcurrent relay Indoor center unit duplicated Indoor Outdoor line address duplicated VF Duplicated indoor units with priority Displayed in indoor unit with priority VF of indoor units with priority Duplicated indoor 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 I F Indoor capacity unset Indoor Outdoor capacity unset VF Duplicated central control addresses AI NET Indoor Over No of connected outdoor units VF IPDU1 error IPDU2 error IPDUS error Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error AIT IPDU error No of IPDU error Detected indoor address Indoor outside interlock Indoor Extended I C error VF Check code Wireless remote controller Main remote controller display Outdoor 7 segment display Auxiliary code Sensor block display AI NET central of receiving unit control display Operation Timer Ready Flash Check code name Judging device
250. tlet Discharge duct is connected 3 3 Parts Name of Remote Controller Display section In the display example all indicators are displayed for the explanation In reality only the selected contents are indicated controller 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 78 9 Display section Operation section 1 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 dis played 5 Timer SETIN setup display When pushing the Timer SETIN button the display of the timer is selected in order of OFF C9 OFF repeat OFF timer ON No display 6 Filter display If FILTER FA is displayed clean the air filter 7 TEST run display Displayed during a test run 8 Flap position display for 4 Way Air Discharge Cassette Type and Under Ceiling Type model only Displays flap position 9 SWING display Displayed during up down movement of the flap 10 Set up
251. to guard against strong wind or earthquake An incomplete installation can cause accidents by the units falling and dropping REQUIREMENT Strictly comply with the following rules to prevent damage of the indoor units and human injury Do not put a heavy article on the indoor unit Even units are packaged Carry in the indoor unit as it is packaged if possible If carrying in the indoor unit unpacked by necessity be sure to use buffering cloth etc to not damage the unit To move the indoor unit hold the hooking metals 4 positions only Do not apply force to the other parts refrigerant pipe drain pan foamed parts or resin parts etc Carry the package by two or more persons and do not bundle it with PP band at positions other than specified External view 845 21 168 inside 210 21 21 803 inside 21 Air filter idi Refrigerant piping Ti Fresh air inlet knock out hole Drain up port Hung up plate Opening hole on ceiling and placing of hanging bolt Considering the indoor unit and the hanged up piping wiring work determine the installation position and direction After installation position of the indoor unit has been determined open a hole on the wiring and place the hanging bolt For opening size of the ceiling and the hang
252. tup method in Address setup Communication sending error between outdoor units 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 Duplicated outdoor follower address setup Outdoor addresses manually set up are duplicated Note Do not set up the outdoor address manually No of normally received outdoor units Decreased number of connected outdoor units The signal was not returned for constant from the outdoor unit which was receiving signal 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 detected outdoor units Outdoor follower unit error Outdoor header unit received error code from outdoor follower unit When pushing SW04 for 1 second or more under c outdoor header unit the fan of outdoor unit which si Convenient functions Check the check code of outdoor follower unit ondition that E28 is displayed on 7 segment display of opped abnormally starts rotating If pushing SW04 and SW05 simultaneously the fan of normal outdoor unit operates When pushing SW05 singly the operation of fan is cleared LZ Check code Outd
253. ualization circuit and check stop valve operation Check refrigerant stagnation in compressor shell Check 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 Check TK1 TK2 TK3 TK4 misconnection operation Check SV3E valve operation Check capillary clogging of oil equalization circuit and check valve operation Check refrigerant stagnation in compressor shell 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 Check TK1 TK2 and misconnection operation or tne difference Check SV3E valve operation from other TK sensor p E changed for a constant time Check capillary clogging of oil equalization circuit and only within the specified check valve operation range Check refrigerant stagnation in compressor shell Check MG SW or OCR Indoor Duplicated indoor center units Corresponding There are multiple center Check indoor address unit only stops units in a group Check the change of remote controller connection Group individual after indoor address setup Duplicated outdoor line address All stop Line address setup is Check line address duplicated against the outdoor unit in d
254. uid refrigerant In this time never charge the refrigerant over the specified amount Refrigerant 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 recover 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 pe y g fire is caused at user s side After the work has finished be sure to use an insulation tester set 500V mugger to check the resistance is 2MW or more between the charge section and the non charge metal section Earth po
255. uit Motor lock error C TH sensor error Heat sink overheat E Vdc error 1 Position detect circuit error 4 Motor current error detected D TH sensor error Sub code Are wire connector connection on fan IPDU and power P C board A ssy normal YES YES Is not outdoor fan motor locked NO Is winding resistance of the motor correct NO 13 to 330 Between and S R and T S and T Correct cable connector connection Replace motor YES Is there no loosening on fixation between fan IPDU and heat sink YES Retightening of screws etc YES YES Is sub code of outdoor I F P C board 0d NO Is there no problem Such as stuffing or blast blowing to discharge port of outdoor fan gt Replace fan IPDU Correct cause of overload NO Check fan IPDU 901 Check code name Check code name Cause of operation Check code name Check code name Cause of operation P26 14 G Tr short circuit protection error 1 Outdoor unit power error P29 16 Compressor position 1 Cable connector connection error d07 AI NET 2 IPDU error Cable connection error d07 AI NET detective circuit error 2 Compressor error 3 Compressor error 3 IPDU PC board error 4 IPDU P C board error Sub code 01 Compressor 1 side 02 Compressor 2 side Sub code 01 Compressor 1 side 02 Compressor 2 side NO Are connect
256. um The item code DN is consisted with Z to AA Contents DN No may jump on the way Type Type and capacity of TEST gt 7 When noting has finished push button to Indoor unit capacity the indoor unit are return to the normal stop status 6 Line address necessary to setup Indoor address the revolution It requires approx 1 minute to operate the remote frequency of the fan controller Group address Remote controller operation diagram gt DON OFF o 3 C CH 4 6 DDA Cr Ceo se 124 Procedure 2 Exchange of P C board for service 1 Exchange P C board with a P C 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 board for service See the blow figures MCC 1402 JP CN41 MCC 1403 JPO01 041 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 It is 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 f
257. unit maintenance Askthe customer to keep the Installation Manual together with the Owner s Manual CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER The characteristics of R410A refrigerant are easy to absorb water oxidizing membrane or oil and its pressure is approx 1 6 times higher than that of refrigerant R22 Accompanied with the new refrigerant refrigerating oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerating oil does not enter the refrigerating cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are charged from those for the conventional refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please care so that water or dust does not enter Moreover do not use the existing piping because there are problems with pressure resistance force and impurity in it A WARNING Ask an authorized dealer or qualified installation professional to install maintain the air conditioner Inappropriate installation may result in water leakage electric shock or fire Turn off the main power supply switch or breaker before attempting
258. up a tap change follow to the basic operation 0001 20 Pa High static pressure 1 While automatic addressing the operation cannot be performed on the remote controller For automatic addressing Max 10 minutes generally approx 5 minutes are required When power will be turned on after finish of automatic addressing It will require Max 10 minutes generally approx 3 minutes that outdoor unit starts operation after power was on procedure 125 25 3545 55 6 Specify 5d to the item code in procedure 3 For the setup data of procedure 4 select a setup data of the external static pressure to be set up from the following table 0003 35 Pa High static pressure 2 0006 50 Pa High static pressure 3 As all have been set to Standard at the shipment change the setup of the indoor unit if necessary To change the setup use the main remote controller wired remote controller The setup change for wireless remote controller sub remote controller or remote controller less system Central control remote controller only is provided is impossible In these cases prepare and mount a In case of remote controller less Group control Separate main remote controller For setup to the high ceiling there is selecting method by exchanging the short plugs on the indoor microcomputer P C board as shown in the following table other than selecting method by standard wired remote controller sold separately
259. up to high ceiling has been once exchanged it is required for returning it to 0000 to change the short plug to the standard at shipment position and rewrite data to the setup data 0000 from the wired remote controller sold separately though setup to 0001 0003 or 0006 are freely available Select by exchange of short plugs on the indoor P C board Short plug position CN112 CN111 CN110 from the left Short plug position Setdata External static pressure Short Open CN112 CN111 CN110 0000 10 Pa At shipment Change of lighting term of filter sign According to the installation condition the lighting term of the filter sign Notification of filter cleaning can be changed Follow to the basic operation procedure 1525 354555 6 For the item code in Procedure 3 specify 01 Forthe Set data in Procedure 4 select the setup data of filter sign lighting terme from the following table Setup data Filter sign lighting term 0000 None 0001 150H 0002 2500H At shipment from factory 0003 5000H 0004 10000H To secure better effect of heating When it is difficult to obtain satisfactory heating due to installation place of the indoor unit or structure of the room the detection temperature of heating can be raised Also use a ci
260. ure under condition of thermo OFF of room temperature In order to prevent a serial operation the forced test operation is released after 60 minutes and returns to the usual operation Do not use a forced operation in cases other than test operation because it applies an excessive load to the air conditioner In case of wired remote controller 1 5 Procedure FILTER RESET TEST WARNING To protect the compressor at starting time keep power ON condition before 12 hours or more SWING FIX UNIT Description Keep tex button pushed for 4 seconds or more TEST is displayed on the display part and the selection of mode in the test mode is permitted Push CE button Using CBD button select the operation mode COOL or HEAT Do not run the air conditioner in a mode other than COOL or HEAT The temperature controlling function does not work during test operation The detection of error is performed as usual After the test operation push VO button to stop the operation Display part is same as procedure 7 Push D button to cancel release from the test operation mode TEST disappears on the display part and the status returns to a normal stop status 0 10 TEST RUN In case of wireless remote controller Procedure Description Remove a small screw which fixes the nameplate of the receiver unit 1 Remove the n
261. urrent detect circuit system error IPDU Comp 1 case thermo operation VF Low pressure protective operation VF aiaia Oil level down detective protection VF 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error e 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 e 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 indoor 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 Inconsistency error of outdoor units VF FS unit error FS unit Duplicated central control addresses AI NET Indoor ajajana a aja a 0e ajajana aja ia jan Over No of connected outdoor units VF 01 IPDU1 error 02 IPDU2 error
262. utdoor unit I F a check display LCD Remote controller or 7 segment display on the outdoor interface P C display Auxiliary code Operation Timer Ready Flash board to display the operation is provided Therefore the operation status can be known Using this self diagnosis 1 OF no n ALT Indoor TCJ sensor error Indoor function a trouble or position with error of the air conditioner can be found as shown in the table below F02 od ALT Indoor sensor error Indoor F03 93 Check code list F04 19 F05 Ai The following list shows each check code Find the check contents from the list according to part to be checked FU 18 In case of check from indoor remote controller See Main remote controller display in the list Eo is In case of check from outdoor unit See Outdoor 7 segment display in the list In case of check from AI NET central control remote controller See AI NET central control display in the list is 1 In case of check from indoor unit with wireless remote controller See Sensor block display of receiving unit in the list Fio F12 A2 Terminolo ALT Indoor TC1 sensor error Indoor ALT TD1 sensor error VF ALT TD2 sensor error VF ALT TE1 sensor error VF ALT TL sensor error VF ALT TO sensor error VF oc ALT Indoor TA sensor error ALT 751 sensor error VF Indoor AI NET Artificial Intelligence IPDU Intelligent Power Drive Unit F13 Lightin
263. ve the cover plate and air filter Remove the cover of the electric parts box by taking off the mounting screws 2 positions and pushing the hooking section The cover of the electric parts box remains hanged to the hinge Tighten the screws of the terminal block and fix the wires with cord clamp attached to the electric parts box Do not apply tension to the connecting section of the terminal block Be sure to set a loop for the connecting wire of the storing part of the indoor unit electric parts otherwise the electric parts box cannot be drawn out in service time Mount the cover of the electric parts box without pinching wires Wiring between indoor and outdoor units Wiring example gt An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically the header unit Outdoor Power supply 380V 415V 50Hz 380V 60Hz Outdoor Power supply 380V 415V 50Hz 380V 60Hz Control wire Le Earth leakage breaker leader outdoor unit Earth leakage breaker leader outdoor unit Control wiring between outdoor units Electric i n parts box 7 control wiri

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