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1. NI Outdoor unit g Color indication AS g D RED RED Kee 90000 it ASK 15 CN333 000000 CN82 09 Cem Lesen sta VaVanVoVAYV Ba 009 ass WHI WHITE 00000 009909 WHI 1X2XS X456 BLU XA ya CA TY2Y3 415 Wal 1 Y2Y3 RED e Dee ene Drain pump type 4 BLK BLACK lee Las CN112 CN111 CN110 cN1047 111 wech GRY GRAY w WHI WHI WHI YEL 00 e PNK PINK i x uoa Gr B om Die m n HE CN102 0111 GRN GREEN Ct us PPS emo 2 i 3 ew drive RED 2X2 OW WC a CN72 DISP CN1017 Al e 182 O BLK F2Y2 wy mb ENS MW Et Control P C board BRW DO w X MICI 7 ESH R FEH Ki SUPPIY tele E s lt L circuit L oDC7V MCC 1402 GAN 9 PNL T e CN73 T1 pe RED Poy EXCT N Lei NI o CN70 1 0 WHI T WHI CN44 CN40 CN41 CN309 CN50 CN61 CN32 CN60 CN81 CN20 S UN BRW BLU BLU A WHI YEL WHI WHI BLK BLU gt osea en connector RED 09 909 1000 1218115 1X2X3 44 K5Xe 142 ULRIX 1f2X3 4445 1X2X3 I4 X5 e LA Fan drive Option har Y Flow AD AD A O1 Selector unit Indoor unit o NS 3 eS Symbol Parisname U Power supply 1 O indicates the terminal bolock be SAO OOO Letter at inside indicates the terminal number 77 doo tensor MA 2 A dotted line and broken line indicate the gt S wiring at side e P eT 3 indicate a control P C board ieri CO mb o U L Wired remote controller Kin YA Ya Ya Ya e O 1
2. Checkcode Checkcode Check code name Cause of operation F08 1b TO sensor error TO sensor Open Short TCC L AI NET This check code means detection of Open Short of TO sensor Check disconnection 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 Chekcode code Check code name Cause of operation 0 0C Indoor TA sensor error TA sensor Open Short TCC L AI NET This check code means detection of Open Short of TA sensor Check disconnection of connector 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 Chekcode Chekcode Check code name Cause of operation F12 A2 TS sensor error TS1 TS2 sensor Open Short TCC L AI NET This check code means detection of Open Short of TS sensor Check disconnection 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 UE P C board Check code Check code name Cause of operation F13 43 TH sensor error IGBT built in sensor error in A3 IPDU TCC L AI NET This check code means IGB
3. Operates the specified indoor unit Note The other indoor units keep existing status Setup Push SW04 for 10 seconds or more set SWO01 16 and set SW02 and SWOS to address No 1 to 64 to be operated Release Return SW01 SWO02 SWOS to 1 4 Individual start Individual stop Individual test operation NOTE 1 This start stop function only sends the command signals from the outdoor unit to the indoor unit such as start stop operation mode etc Once it does not resend the signals even if the indoor unit does not follow the sent signals The above controls are not available when an error has caused the system to stop Interface P C board a i um E NOTE 2 97 7 segment display A Section B C Section A C Section B Hl Section A H Section A Section B CH 11 11 is displayed on Section B for 5 seconds Section A Section B CH 00 00 is displayed on Section B for 5 seconds Section A Section B Section A Displays the corresponding indoor address Section B Displays 11 for 5 seconds from operation ON Section A Section B Section A Displays the corresponding indoor address Section B Displays 00 for 5 seconds from operation OFF Section A Section B Section A Displays the corresponding indoor address Section B Displays FF for 5 seconds from test operation ON 7 segment display B
4. Additional refrigerant charge amount at site R Additional amount of refrigerant by pipe length Table 1 Compensation by outdoor HP Table 2 Additional amount of refrigerant R 8 9 3 Check at Main Power ON 9 4 Address Setup After turning on the main power of the indoor units and outdoor unit in the refrigerant line to be executed with a After power ON set up the indoor address from the interface P C board of the outdoor unit test operation check the following items in outdoor and each indoor unit I The address setup operation cannot be performed by power ON only After turning on the main power be sure to check in order of indoor unit outdoor unit If the power supply of the outdoor unit has been firstly turned on E19 appears on the 7 segment display on 9 4 1 Cautions the interface P C board until the power supply of the indoor unit is turned on However it is not an error 1 It requires approx 5 minutes usually for 1 line to automatically set up address Check on outdoor unit However in some cases it may require maximum 10 minutes 1 Check that all the rotary switches SW01 SW02 and SWO03 on the interface P C board of the outdoor unit 2 Itis unnecessary to operate the air conditioner for address setup are set up to 1 3 Manual address setup is also available besides automatic setup 2 If other error code is displayed on 7 segment B remove the cause of trouble referring to 9 Trou
5. is counted and displayed on 7 degment display e Return the SW01 02 03 setup as before 5 When U 1 is displayed on 7 segment display the setup operation finished Turn off the indoor outdoor power 6 Return the following setup as before Relay connector e SW30 2 9 4 4 Check after Address Setup When Central Control System is Connected When the central control system is connected check the following setup has finished after address setup Ea Central control units Outdoor unit Other refrigerant system Other refrigerant system Over current breaker fuse e e Earth leakage breaker Power supply I H d MET Tale UCNE JA B UCNE A B Earth leakage breaker Remote 3 controller Power supply T ry de i Te m Relay Is relay connector of the outdoor unit connected after address setup connector Q Is the terminal resistor SW30 2 of the outdoor unit with the least refrigerant line ees number jn the central control line turned on Terminal resistance Are the terminal resistor SW30 2 of the outdoor units except for the line of which central control refrigerant line address is the smallest turned off Li dd a Are not addresses in the line address SW13 SW14 duplicated in geen oes each refrigerant line Note The above table does not describe all the electric cablings For details refer to each installation manual for outdoor unit indoor unit remote controller and optio
6. YES Are characteristics of TC1 sensor NO YES Indoor unit temperature sensor characteristics Check indoor main P C board Defect Replace Correct connection of power supply line See Characteristics 2 cel Checkcode Checkcode Check code name Cause of operation F04 19 TD1 sensor error TD1 sensor Open Short TCC L AI NET This check code means detection of Open Short of TD1 sensor Check disconnection 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 Check code name Cause of operation F06 18 TE1 sensor error TE1 sensor Open Short TCC L AI NET This check code means detection of Open Short of TE1 sensor Check disconnection 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 Chekcode Chekcode Check code name Cause of operation F07 18 TL sensor error TL sensor Open Short TCC L AI NET This check code means detection of Open Short of TL sensor Check disconnection of connector TL sensor CN521 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
7. 1 Cooling test operation function This function is provided to change collectively the mode of all the indoor units connected to the same system for cooling test operation mode using switches on the interface P C board of the outdoor unit Operation procedure PowerON p Be sure to turn on power at the indoor side before power ON of outdoor unit Set SW01 on the interface P C board of the outdoor unit to 2 Sw02 to 5 and SWO3 to 1 respectively CG is displayed on the 7 segment display A v MZ TEST is displayed on the remote controller of the indoor unit to be operated Check that C is displayed on the 7 segment display B on the interface P C board of the outdoor unit C Return SW01 SW02 SWO3 on the interface P C board of the outdoor unit to 1 1 1 L2 2222222 Stop End respectively or push the push switch SWO5 for 2 seconds or more 2 Heating test operation function This function is provided to change collectively the mode of all the indoor units connected to the same system for heating test operation mode using switches on the interface P C board of the outdoor unit Operation procedure PowerON p Be sure to turn on power at the indoor side before power ON of outdoor unit Set SW01 on the interface P C board of the outdoor unit to 2 Sw02 to 6 and SWOS3 to 1 respectively H is displayed on the 7 segment display A v TEST is displaye
8. G m 1C312 ASSV 82d m 3 m e br E PMV output pi JC 0343 E EE Ei 56 eee S 6 S 6 S 20V 20V Jai icbi Ce 6i Ge L of 1 wu SR a R585 8 E 8 Ou x S 60 ell gt oO o Ces T 22222 CA CA a CACACACACA DC fan return 4 2 P WE 8 Er gig gees i AS x 1 SS 4 Am CE 0392 a 4 1 R372 20 o ba F RES D Foe RUS C1127 4 D3 D P e 109 CREDE 292 x 2CN80 E F ELO C05 i Float sw 434 Ier J Ee cke o ode S o D35 EN pies a CC R36 ST Br NEL PON a MAY 3 90 Ze drm irem O e 5 CN20 1 9 CN331 ZCN321 mes 6 QN60 T o ans GRL 7 LM JfANDRIVE HU OPTION Fan output TCJ sensor EXCT HA T10 TA sensor S Used for Optional output CHK servicing Flap Used only for 4 way Air Discharge Cassette Type Under ceiling type 6020 BONO TA T JEE IC3087 R334 R335 One ee e oe 0202 5312 S Ke C201 o f R329 8 S 3 D310 89N9 dd ees t n n oecy D ric C110 I Tdl ia OTTNO Oo pp ro 1 a As dino FOND q1 431v34 0 N9 Hda n e WI 1 2 OUR SNE a Remote controller inter unit cable TC1 sensor Indoor Outdoor communication Also used for communication of the 4 central control system TC2 sensor Indoor Outdoor communication Spare 1 Nome for under ceiling high wall Power supply 1 Optional ON Es power supply Remote controller power supply LED Drain pump output ad ong ue
9. Jes e Negative data is displayed as IET NN TL sensor data Symbol tL TO sensor data Symbol tO Data UI NW Mi NM SWO01 SW02 SWO3 Display contents 1to 16 1 to 3 Receiving status of indoor BUS communication Indoor check code ES No check code Indoor capacity D 2 0 5 0 8 c Ts dos os HP horse power m 8 10 16 20 Indoor request command Data is displayed with Hexadecimal notation F Heating S code Indoor PMV opening data 8 Da displayed min Decimal oa Indoor Ta sensor data 8 pata is played min Decimal talon Indoor TF sensor data 8 Das displayed min Decimal notaton Indoor TGS sensor data 8 Da displayed mi Decimal notaion Indoor TC1 sensor data 8 Dara is played min Decimal tato Indoor 102 sensor data 8 Data is played wih Decimal notaton NOTE Indoor address No is chosen by changing SW02 and SWO3 SW03 SW02 Indoor address 7 segment display A 1 to 16 SW02 setup number 01 to 16 1 to 16 SW02 setup number 16 17 to 32 1 to 16 SWO2 setup number 32 33 to 48 149 5 Outdoor EEPROM check code display The latest check code written in EEPROM on each outdoor unit is displayed It is used when confirming the check 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 check code 7 segment display SC oa oe 7 se
10. Note The PMV opening by using short CN30 returns the PMV to fully closed after 2 minutes To continue the fully open status turn off the power supply of the outdoor unit within 2 minutes after using short CN30 179 Mo Peteme Ree 7 Parts positions Reactor box Weight 9kg e I F P C board TL sensor F Ss P WW AE inc ri fa ee Ad A F Far K ES E PMV Pulse Motor valve Tar TS sensor SH E E A o e Solenoid valve SV5 Liquid tank 4 way valve Solenoid valve SV2 High pressure sensor Solenoid valve SV4 TD sensor i is D ER ei RA Ep High pressure switch Compressor pL tt Compressor case heater po LL E TO sensor d li TE sensor 180 Attachment detachment of REQUIREMENT pipe fixing Wear protective clothing on your hands as rubber other components may cause injury etc lt Disassembling gt 1 Squeeze the band either side of the clip to release 2 Pushing in the tab side of SUS band the tab comes off from square hole lt Assembly gt 1 Individually fit each rubber bracket to the relevant pipe 2 For assembly align the tab side of the SUS band to the slit side of the rubber bracket 3 Attach the rubbe
11. Power supply 10220 240V 50Hz Max 8 units are connectable 1 1 220V 60Hz 1 However in a case that the network adaptor is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The network adaptor is installed to only one unit Indoor unit tH 1 A B p H 2 A B 3 A B ed A DBuipueijs 10014 ed J pajes9u0 Duipuels 100 ed L 1euiqe5 Buipue s 10014 ed a1nssaJdg 91181S YIH nq pejeeouo25 sa119S 1 ed L onesse eBueuosiq sly em Sd oxnoesseo oDujeuosiq sry Aem z Power Power supply supply Outdoor Outdoor unit unit 3 Nome for concealed duct Floor standing cabinet Floor standing concealed 4 Nome for concealed duct Floor standing cabinet Floor standing concealed Floor standing 5 Nome for 1 way discharge cassette YH type SSI Wired remote controller Function setup communication circuit 1 A Network adaptor Option Network adaptor Indoor unit I zi E Remote Indoor control P C board MCC 1402 controller Remote IEEPROM 1401 circuit communication circui Central control 4 Float input None for Concealed Duct CPU H8 3039 Driver Louver motor Outside None for Concealed Duct type signal input circuit circuit Indoor fan motor U1 U2 communication Outdoor unit Power suppl 14220 240V 50H
12. emm zm zm zm zm zm mm i zm zm Le Sensor TO Sensor TE S COI Strainer i Capillary Solenoid valve 4 tube 2 SV5 s ee E SY PMV LIOS C Sensor TS Check valve N e Strainer Capillary 0 tube 1 Check joint Sensor TL i High pressure E sensor High pressure switch Muffler Low pressure sensor Check joint Solenoid valve SV4 0 Sensor TD l Accumulator Strainer Check joint a V G Compressor Inverter Liquid tank Liquid side Gas side packed valve ball valve 91 1st revised Jun 2006 4 2 Explanation of Functional Parts Functional part name Functional outline Connector Solenoid valve 1 Low pressure release function CN312 White 2 High pressure release function 3 Gas balance function during off time 4 Hot gas bypass into accumulator High pressure release function CN311 Blue 2 Low pressure release function Preventive function for high pressure rising in heating operation CN310 White ID 1 5 Length 200 mm ID 22 2 Length 100 mm 1 1 4 way valve 1 Cooling heating exchange CN317 2 Reverse defrost 1 1 1 Capillary tube Blue PMV Pulse motor valve Super heat control function CN300 White 2 Sub cool adjustment function in cooling operation Temp sensor 1 Controls defrost in heating operation CN505 Green 2 Controls outdoor fan in heating operation 1 Detects under cool in
13. or button select the setup data At shipment 007 The setup data are as follows t Fin LLLI Sus 5 Push button OK if display goes on To change the selected indoor unit go to the procedure 2 e To change the item to be set up go to the procedure J 6 Pushing e returns the status to the usual stop status 2 Wiring 4 way Air Discharge Cassette type Outside control 1 way Air Discharge Cassette type 2 series FAN DRIVE input of fan Concealed Duct Standard type model Slim Duct type Under Ceiling type High Wall type Relay DC12V procured locally To terminal Indoor control 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 P C 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 67 B Leaving ON prevention control Function his function controls the indoor units individually It is connected with cable to the control P C board of the indoor unit e Ina group control it is connected with cable to the indoor unit Control P C board and the item code c is set to the connected indoor unit e It is used when the start operation from outside if unnecessary but the stop operation is necessary Using a card switc
14. 0 54 316 087 89 318 088 89 320 088 9 0 4 32 0 91 0 92 0 92 0 93 0 94 0 95 10 0 99 99 100 104 0 53 0 0 10 1 55 0 02 0 57 0 59 0 03 0 63 0 04 0 11 0 12 0 39 0 42 0 43 0 44 0 44 0 45 0 46 0 46 0 47 0 48 0 48 153 95 97 97 98 00 01 CTI 1 13 4 34 4 36 4 38 4 40 4 41 4 43 4 45 4 47 4 49 4 51 4 53 4 55 4 57 4 59 4 61 rat 13 BER 4 9 4 98 0 144 92 145 ali 6 1 46 Wired remote controller Up to 2 units Weekly timer driver Jo uonoeuuo Remote controller Secondar communication irc ircui batter y circuit 19 01JU09 3 0UI91 Dal 1 A D E 2 Al B 3 A Ip Indoor unit _ gt m A B Network adaptor Option Max 8 units are connectable 1 Bra Be i Indoor control P C board MCC 1402 8 PC board controller Root EEPROM MCC 1401 GE EE circui 1 However in a case that the network adaptor is installed when 2 remote controllers are connected maximum 7 units are connectable Central control X ALNET remote controller __ communication circuit a Option Y In case of Al NETWORK En 2 The network adaptor is ower a circuit installed to only one unit 3 The weekly timer cannot be connected to the simple wired remote controller 4 Nome for high wall spearate Outside sold parts for under ceiling output None for Concealed Duct type AC synch
15. 2 While short circuit CN30 after one minute before two minutes turn off power supply of outdoor unit 3 Be sure to remove the CN30 short circuit after power supply is turned off 182 14 P C BOARD 14 1 Indoor Unit 14 1 1 Exchange of P C Board for Indoor Service Model type Model type P C board model Label display on P C board MMU AP gt 1WH series MMU AP 1 Vn series MMU AP k1SH series 431 6V 207 MMD AP E k1H series MCC 1403 MML AP F1H series MMU AP F1BH series MMF ECT H series 431 6V 210 MMD MMD AP ekiBHseries BH series MCC 1402 03DD M02 MMU AP F1H series MMU AP t F1MH series 431 6V 289 VIRA cR cii MCC 1402 03DD M05 MMD AP gt 1SPH SH series MMU AP E E2SH series Requirement when exchanging the P C board assembly for indoor service The fixed memory herein EEPROM IC10 stores the model type and capacity code which are set upon shipment from the factory Data set upon installation i e line indoor group addresses are also stored in the EEPROM Proceed with the exchange of the P C board as shown in the procedure below After exchange confirm the settings for master sub etc are correct and carry out a test operation Exchange procedure Method 1 Before exchange it is possible to turn on the power of the indoor unit and read out the setup contents from the wired remote controller Readout of EEPROM data Procedure 1 Y Exchange of PC board for service amp power
16. EE Shield with the gauge manifold so that refrigerant does not flow to gas side Open the packed valves fully at liquid and gas sides and then return the valve at gas side a little to the closed side Open fully PMV of the outdoor unit Turn on power of the outdoor unit e Short CN30 on I F P C board of the outdoor unit e Turn off power of the outdoor unit within 2 minutes after shorting CN30 Low pressure gauge pressure gauge Open fully the handle on the Low side of the gauge manifold and then turn on the power of vacuum pump for vacuuming Connected to e e Valve fully closed L NL _ gas side mento Main Center unit m When the pressure has lowered until indication of the compound gauge pointed 0 1MPa 76cmHg open fully the handle Low and turn off the power of vacuum pump EY Service port 64 Copper pipe Never charge the refrigerant over the specified amount Do not charge the additional refrigerant Valve fully closed If charging refrigerant additionally when refrigerant gas i Guia SIGE Nitrogen leaks the refrigerant composition in the refrigerating cycle dr E DEE gas changes resulted in change of air conditioner characteris Connected to other g64 terminal units Copper pipe tics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cau
17. Is connection or coil normal Repair faulty parts Is check valve of main discharge pipe normal Repair check valve gt Replac YES Check indoor P C board Is there clogging of the valve Faulty gt Replace YES Replace PMV body Y Are there any obstructions to the operation of the heat exchanger 1 Air filter clogging 2 Blocked heat exchanger 3 Air short circuit YES Eliminate the interfered causes Z l Is SV5 circuit normal No Repair SV5 circuit YES Coil error choke disconnection of cable etc Check operation of 4 way valve Abnormal Replace 4 way valve Normal Are there indoor units connected NO e RE to different refrigerant circuits use the mis wiring check function YES of outdoor unit Check and correct cabling Refrigerant overcharge clogging pipe breakage abnormal overload condition vol Check code Check code name Cause of operation P22 1A Outdoor fan IPDU error TCC L AI NET Auxiliary code A Fan motor current error g Fan motor lock Are wire connections on the NO fan IPDU assembly normal YES YES Is the outdoor fan motor locked NO Are connections of CN301 and NO CN300 of P C board correct Does the fan rotate without trouble when handling the fan with hands under condition of removing CN301 and CN300 from P C board The status that the resistance values between leads below is 25 to 550 for
18. MMK AP0072H 007 type 0 80 2 2 2 5 Available High Wall Type MMK AP0092H 009 type 1 00 2 8 3 2 Available 2 series MMK AP0122H 012 type 1 25 3 6 4 0 Available 2 8 Ore MML AP0091H 009 type Floor Standing MML AP0121H 012 type 3 6 Available Cabinet Type MML AP0151H 015 type 4 5 Available MML AP0181H 018 type 5 Available 6 3 wann Ins za 7 so Aelabe MiL aPoo7ieH awe oso a2 25 MML AP0091BH 009 type 2 8 3 2 Floor Standing s MML AP0121BH 012 type 3 6 Concealed Type ee MML AP0151BH 015 type 4 5 a MML AP0181BH 018 type 5 6 3 was o2empe za n se mmea osy 170 45 59 MMF AP0181H 018 type 5 6 6 3 MMF AP0241H 024 type MMF AP0271H 027 type MMF AP0361H 036 type Available Floor Standing Type Allocation standard of model name O AP OOO O O H O Destination C China H Heat pump type M Compact 4 way Cassete Type W 2 way Cassette Type S 1 way Cassette Type Y Small sized 1 way Cassette Type B Built in Type Built in Duct Type Floor concealed type SP S Slim Duct Type Development series No Based on the cooling capacity Btu h 1 000 Cassette Type Under Ceiling Type Duct Type High Wall Type Floor Type Cabinet type Concealed type Floor Standing Type MM Modular Multi type 12 1st revised Jun 2006 1 1 3 Branching Joints and Headers 1 Y shape
19. Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF EDM B40YGTF Drain pump motor ADP 1409 SPH series only 35 Under Ceiling Type Model MMC AP O151H men omm enn men Gem Fan motor SWF 280 60 1 SWF 280 60 2 SWF 280 120 2 Louver motor MP24GA1 Pulse motor EDM MD12TF 3 Pulse motor valve TA sensor TC sensor TCZ sensor TCJ sensor High Wall Type Mode MIMK AP 00714 00914 01218 01518 01614 ozan men Sen DE gt me Floor Standing Cabinet Type Model MML AP on 0091H oan oan oam Fan motor AF 200 19 4F AF 200 45 4F AF200 70 4K Running capacitor for fan motor AC450V 1 2uF AC400V 1 8uF AC450V 2uF Transformer TT13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF TA sensor Lead wire length 818mm Vinyl tube TC1 sensor 24 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 6 size lead wire length 1200mm Vinyl tube Black TCJ sensor 6 size lead wire length 1200mm Vinyl tube Red Floor Standing Concealed Type Model MML AP O071BH 0091BH 0121BH_ 0151BH OT8IBH 0241BH Fan molor AF 200 70 4K Running capacitor for fan motor ACA50V 1yuF ACA50V 2uF Transformer Pulse motor EDM MD12TF 3 Pulse motor valve TA sensor TC2 sensor TOJ sensor Floor Standing Type Model MMF AP man oan 0271H 0481H Fan motor AF 200 37R AF 200 63T AF 200 110M 1 AF 200 160H 1 Running capacitor for fan motor AC50
20. RED TL aan CN72 Dosen cN101 ayn Power 2DG20Y BLK Popo aay supply 9DO15V pply circuit oDC12V 00 TC1 oDC7V CN100 AP GH BRW ee Y Control P C board 7 for indoor unit GN A PNL MCC 1402 9 CN73 DI CN70 741 CN60 CNS CN 20 WHI Filter WHI BLK BLU e A Option GRL 1 Oindicates the terminal bolock letter Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at side 3 indicates a control P C board I9poIN HS2vz0dV HSc8L0dV HSeSLOdV DWIN ed exesse2 obieyosig AY Aem p L Z CC Indoor ae L Y Closed end ROGN connector D D DD Flow selector Earth GE Indoor unit power supply Single phase 220 240V 50Hz 220V 60Hz ro o unit earth screw ALAS Z IN IN IN 2 r Wired remote controller SLAY 1211 D Ns DS VE 5 1312101 AI UA 000 DAS A 1X X3 NOAA AN A Adaputor for wired remote controller 6eX4X3X1X2X5 SAS DS eh tS eS 6X4 X31 2X5 OI IA AN AKA JD A AER amp GRY T3 15A E 00 NO Power Ed ec 250V Spey oDC12V 3X3 Circul oDC7V 0000 cnes 1 ae WHI 2 Reactor RED cn44 UL CN40 CN41 CN309 CN50 CN61 CN32 WHI BRW 2 322 BLU YEL WHI YEL WHI 112131415 T10 1X2X3X4X5X6 1X2 OAANAN YN JD A NZI AIK AN JON A NN Y Fan drive o Network CNO1 AE px adaptor ED 1123 Option 121 NOS Es f
21. WHI A2 CN60 CN81 CN20 WHI BLK BLU Option GRL Color identification RED BLK BLACK WHITE GRY GRAY YELLOW PNK PINK BLUE ORN ORANGE BROWN GRN GREEN Sold separately I POIN d L Duire2 1 puN Z L Z HI8trOdV HL9EOdV HLZe0dV HLtpeDdV HE8LOdV HESEOdV OINWIN D TA TCJ TC2 TC1 a 00900909 1A IQ Ie 51418108215 EA Y NY WAN ee E PE E dm Es RES E 060000 rra Pe MI BI M I H Gees 10245 40106 e faye 121 010218 CN82 CN33 CN34 CN104 CN102 CN101 CN100 BLU WHI RED YEL RED BLK BRW L BLU WHI BES NESE AGO o TAS GRN 2 CNO080 o GRN BX Control P C board 3 Set for Indoor unit O T3 15A 250V MCC 1402 ED gt EXCT O L Power oDC20V NY i it AR circui o DC7V WHD e Flow selector unit earth A screw AR RED CN66 CN40 CN50 CN61 CN32 CN60 CN81 CN20 Closed end WHI BLU WHI YEL WHI WHI BLK BLU connector ya YAY TN Wei T y NV ne WoW N N VaN nN aY N ANI KSM kl Se Nal Ma Sei Y my Lem Lee Lane Lafe Lee Lem tee Lee Lafe Lee aS es ies LES Mera a LR LLO Mero C 118 Fandrive Option ROGN DO YA Power supply single phase 220 240V 50Hz 220V 60Hz Indoor unit 1 Oindicates the terminal bolock Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at side Color 3 EZZindicates the control PC board indication Earth screw RED RED SC NE Symbol P
22. e Check connection of TO sensor connector Check characteristics of TO sensor resistance value Check outdoor PC board I F error e Check connection cabling of TA sensor connector e Check characteristics of TA sensor resistance value e Check indoor PC board error e Check connection of TS1 sensor connector e Check characteristics of TS1 sensor resistance value Check outdoor PC board I F error r e IGBT built in temp sensor erro Exchange IPDU PC board Check installation of TE1 sensor and TL sensor e Check characteristics of TE1 and TL sensor resistance value Check outdoor PC board I F error Check connection of high pressure Pd sensor connector Check connection of low pressure Ps sensor connector Check pressure sensors Pd and Ps error Check outdoor PC board I F error Check compression error of compressor Lol Check code Wired Outdoor 7 segment display remote Check code Auxiliary code controller F23 i lf Ti H01 HO 01 Compressor 1 HO2 HO2 01 Compressor 1 S AI NET puits ee Error detection condition Check item position central control remote controller I F Ps sensor error All stop Output voltage of Ps sensor was zero e Misconnection of Ps sensor and Pd sensor connectors Check connection of Ps sensor connector Check Ps sensor error Check compression error of compressor Check 4 way valve error Check outdoor PC b
23. i 112 W RED 1 O indicates the terminal block letter at inside indicates the terminal number 3 indicates the control P C board Indoor control P C board BLK 0000006 ON AN AN AN OYD Y 2 A dotted line and broken line indicate the wiring at site Fs a CN33 GI 1 CN34 GREEN ODA cn104 ADO YEL SS e TCJ CN101 saul 2X2 A TC2 CN100 Poy BRN oe em PNL o 3 CN73 9 EXCT 2 M RED CN60 CN81 CN20 CN70 WHI BLK BLU WHI 112131415 1 2X3 4X5 Ns NA Ns Ns A OOOO A Signal output Color identification RED BLK WHITE GRY YELLOW PNK BLUE ORN BROWN GRN Drain pump motor Float switch RY302 Drain pump control relay PMV Pulse Motor Valve H8I9S0dV Hg8I8tO0dV H4aL9e0dV Hatoeodv HA LLZOdY ANIN Ha8LtzoOdV H4L8L0dV H4LSLOdV HatLerodv Hareoodv Harzoodv aiwiN I9poIN ed pIepuels 1ong poejeeouo G L ed Ez absorber Color 8 ec indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GRN GREEN FAN CNO83 WHI Cem tege ae VN ee 318 CN309 YEL BRW BLU Flow selector unit earth screw RED e HI Closed end connector F RED 8 T10A250V N RED 6 5 O O oa oa O YEL J4 3 Closed end alz connector Ho Indoor unit 9009 d Earth screw LAC A OSA AI GRY Power supply 2
24. 40 C or higher Discharge temperature TD1 or TD2 was Check refrigerant shortage continuously 108 C or higher for 10 minutes e Check outdoor PMV clogging Check characteristics of TD1 TD2 sensor resistance value Check indoor air filter clogging Check pipe clogging Check SV circuit Valve leakage misinstallation Check mispiping of discharge gas suction gas main pipe Discharge temperature TD2 exceeded 115 C Check full opening of outdoor service valves gas side liquid side Check clogging of outdoor PMV Check characteristics of TD2 sensor resistance value Check 4 way valve error Check leakage of SV4 circuit Check SVA circuit Check leakage of SV5 valve circuit Check mispiping of discharge gas suction gas main pipe Scl Check code Wired Outdoor 7 segment display AI NET remote central control controller Check code Auxiliary code emote controller Detected outdoor unit No P20 P20 22 UF Detected Check code position name Error detection condition 4 way valve operation error detected in heating High pressure Pd sensor detected 3 6MPa or more protective operation All stop Outdoor fan IPDU error Fan motor current error All stop Auxiliary code A e 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 Fan motor G Tr short circui
25. 7 1 Indoor Unit 7 1 1 Setup of Selecting Function in Indoor Unit Be sure to Execute Setup by a Wired Remote Controller lt Procedure gt Execute the setup operation while the unit stops DON OFF FAN MODE 4 CED SWING FIX VENT O O1 GA 1 Push 5 6 and buttons simultaneously for 4 seconds or more The firstly displayed unit No indicates the master indoor unit address in the group control In this time the fan of the selected indoor unit is turned on 2 Every pushing gt button the indoor unit numbers in the group control are successively displayed In this time the fan of the selected indoor unit only is turned on 3 Specify the item code DN using the setup temperature v and CA buttons 4 Select the setup data using the timer time v and 4 buttons When selecting the DN code to 33 change the temperature indication of the unit from C to F on the remote controller D Push C button OK if display goes on To change the selected indoor unit return to procedure 2 e To change the item to be set up return to procedure J 6 Pushing e button returns the status to normal stop status 63 Table Function selecting item code DN Items necessary to perform the applied control at the local site are described DN Mem Desenpgen JI Atshipment 01 Filter display delay 0000 None 0001 150H According to type timer 0002 2500H 0003 5000H 0004 10000H 02
26. H8 3039 Driver Outside output Power Power supply supply L N U1 U2 et Outdoor Outdoor Ut U2 communication unit unit Outdoor unit Bower supply Max 8 units are connectable 1 1 220 240V 50Hz 10220V 60Hz 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 Nome for high wall spearate sold parts for under ceiling one unit ad ong ue Salas z ad Bessey oDJeuosiq AY Aem sa119S 1 Sd L eM UBIH Sd Buijs apun edAL puepuels 19ng pajes9uos adAL yp sses oDueuosiq sly Aem p j9edulo ad 91495Se oeDjeuosiq sly Aem p 1 1 19 0 JU09 DJOWS SS9 94IM JO UOIIZUUOS e ZG Network adaptor Option E 4 m Network 7 adaptor Remote Indoor control P C board MCC 1403 z PC board controller Remote mmun n controller MCC 1401 CO TS communication Wireless remote circuit controller kit Central control ALNET F remote controller LL Hemiaton TA sensor emer UNIC TA sensor sensor controller Option circuit communication x src H8 3039 2 Power circuit Driver Display TCJ sensor Sensors Display 4 Float input None for Concealed Duct Outside signal input circuit circuit Transformer L E ue Indoor Outdoor U1 U2 communication Outdoor unit
27. ICF 140 63 is normal Between Red lead and 2 White lead Between 2 White lead and 3 Black lead Between 3 Black lead and 1 Red lead of motor winding of connector CN301 YES The status that there is 5k to 20kW resistance values between 1 Yellow lead and 4 Pink lead of motor position detection of connector CN300 is normal NO YES Fan lock Fan IPDU PC board error Overload External cause such as power surge Fan IPDU power P C board error Correct cable connector connection CN301 CN303 Motor coil winding CN300 CN302 Motor position detection Replace fan motor Check fan IPDU Is there no problem such as stuffing or YES blast blowing to discharge port of outdoor fan NO Correct cause of overload Check code Check code name Cause of operation P26 14 G Tr short circuit protection error TCC L AI NET Is the power supply voltage to the outdoor unit normal YES Is wire connector connection on the IPDU P C board normal YES Is compressor operation normal YES Is smoothing capacitor normal 4700uF 400V YES Replace IPDU P C board NO NO NO 1 Outdoor unit power error 2 IPDU error Cable connection error 3 Compressor error 4 IPDU P C board error Correct power line Correct the wire connections Replace compressor Check capacity valve external appearance SUL Check code Chec
28. Note Determine the cable length between the indoor control P C board and the relay within 2m B Demand control from indoor unit When the relay is turned on a forced thermostat OFF operation starts Wiring example Relay procured locally Note Determine the cable length between the indoor or outdoor control P C board and the relay within 2m 2P plug RED Relay coil signal Indoor control P C board 68 7 2 Outdoor Unit 7 2 1 Applied Control in Outdoor Unit The following functions are available by using a separately supplied P C board Set up the switches on the outdoor unit U1 Power peak cut control Standard SWO07 CN513 TCB PCDM2E Power peak cut control Expansion SW07 CN513 TCB PCDM2E External master ON OFF control o J CN512 TCB PCMO2E Night operation control NS CN508 TCB PCMO2E Operation mode selection control Pf CN510 TCB PCMO2E Outdoor unit interface P C board Connector position detail ic ET E m a ps MUST eet IE A x I E ET j a ur E AIR UE M aa es E Fie a r a a T 3 For power peak cut control selection For power peak cut control expansion selection 69 1st revised Jun 2006 7 2 1 1 Cooling Priority Heating Priority Control B Usage Features Cooling priority or heating priority can be selected There are the following four patterns in selecting setup of the priority mode Select a priority mode based upon the demand of the destination
29. O indicates the terminal block letter at inside RY004 Heater control relay indicates the terminal number RY005 007 Fan MOLOI control relay Outdoor 2 A dotted line and broken line indicate the wiring at site Foai witen unit Drain pump motor PMV Pulse Motor Valve 3 indicates the control P C board I POIN HALZLOdV HAL600dV HALZOOdY NNIN ad 19edui05 ad y sses oDueuosiqg uly em L L Z L Indoor unit earth screw Power supply single phase 220 240V 50Hz 220V 60Hz symbol Partsname DM Drain pump motor Flow selector unit earth screw a gt WIA YN IN WHI SE end connector d l i E l UU IN IN Outdoor unit l l l 1 Wired remote controller Adapter for wireless remote controller Color WHI YEL BLU BLK indication RED WHITE YELLOW BLUE BLACK GRY DNK RED GRAY PINK GRN MCC 1401 AI NET Network adapter Option ORN ORANGE BRN BRWN GREEN Motor drive circuit CN309 CN50 CNO61 CN32 YEL WHI YEL WHI AY YSY AAAA EAA LS GI T10 Fan rive ne el High ceiling setup Too o 1 2 3 4 5 FS MA A34 9 00 o e DEED EXE o OI DIS a DOG Wer CN112 CN111 CN110 CN104 7 DD WHI WHI WHI VEL 2 0 TCJ CN71 S CHK CN102 HI
30. Open DISP pin 108 1st revised Jun 2006 9 7 11 Monitor Function of Remote Controller Switch When using a remote controller with the model name RBC ATM21E the following monitor functions can be used Calling of display screen Contents The temperature or the operation status of the remote controller indoor unit or each sensor of the outdoor unit can be known by calling up the service monitor mode from the remote controller Procedure 1 Push C5 G buttons simultaneously for 4 seconds or more to call up the service monitor mode The service monitor goes on and temperature of the item code ZZ is firstly displayed 2 Push the temperature setup y A buttons to select the item number Item code to be monitored 4 MODE CS For displayed codes refer to the table below me CET 3 Push Ct button to change the item to one to be 1 monitored Then monitor the indoor unit and sensor temperature or operation status in the correspond Operation procedure ing refrigerant line 1 2 3 4 4 Pushing 2 button returns the display to the normal display Returns to the normal display E Room temp During control 10 Compressor 1 discharge temp Td discharge temp Td1 Compressor 2 discharge temp Td2 E Room temp Remote controller 2 High pressure sensor detention Indoor suction temp TA pressure Po Low pressure sensor detention x 100 pressure Ps M Sulontemp TS
31. SW03 to 1 and push SWO5 for 2 seconds or more Display shown on 7 segment display for one minute as follows P 00 Clear After 2 minutes 1 minutes for Close fully have passed when setup has finished the PMV automatically returns to the normal operation 9 7 5 Pulse Motor Valve PMV Forced Open Fully Close fully Function in Outdoor Unit This function is provided to fully open or close fully the PMV used in the outdoor unit for 2 minutes Open fully Short circuit CN30 on the interface P C board of the outdoor unit Close fully Short circuit CN31 on the interface P C board of the outdoor unit Clear After 2 minutes the opening returns to the normal operation Be sure to remove the short circuit after confirmation 104 9 7 6 Solenoid Valve Forced Open Close Function in Outdoor Unit This function is provided to forcibly open close each solenoid valve mounted in the outdoor unit by use of the switches provided on the outdoor unit interface P C board This function confirms the operation of each solenoid valve Operation 1 On the interface P C board set SWO1 to 2 SW02 to 1 and SWO3 to 3 2 Confirm H r is displayed on the 7 segment display B Push switch SW04 for 2 seconds or more 3 Confirm 2 is displayed on the 7 segment display this indicates that solenoid SV2 has been switched on 4 Each solenoid can be operated by selecting the appropriate SW02 position as shown in th
32. TC F6 P C Board Ass y Fan IDPU MCC 1531 P C Board Ass y Interface MCC 1429 P C Board Ass y A3 IPDU MCC 1535 702 703 gt n LOC teas ACH A 191 TD TS TL TE TO 1st revised Jun 2006 TD Discharge pipe temp sensor TS Suction pipe temp sensor TE Condenser pipe temp sensor TO Outdoor pipe temp sensor 43160579 4316V309 43158197 43163017 43063248 43158196 43160581 43160574 Location Legation PartNo Description Terminal 30A 4P P C Board Ass y Noise Filter MCC 1551 Reactor CH 65 Supporter Supporter Ass y Ttansformer TT 01 Terminal 60A 3P Terminal 4P AC30V DC42V 1A Liquid line p lt 34 Joint check TL aere 13 Valve packed 36 Tank liquid Ka Pulse motor valve 90 ID 2 2 x 100L 25 Strainer 21 s 23 Strainer 14 Valve ball 43041788 43151283 43046442 43146699 43146687 43146711 43146712 43146709 4314Q030 43148212 Ke E Conpressor DA420A3F 20M2 Swirch Pressure ACB 4UB32W Valve Packed 9 52 DIA Valve Ball B5 8F Valve 4 Way STF 0401G Valve 2 Way VPV 122DQ1 Valve 2 Way VPV 303DQ1 Valve PMV HAM BD24TF 1 Strainer DIA 15 9 Accumulator 7L Condenser 15 1 4 Refrigeration Circuit Diagram 192 38 High pressure sensor 33 Valve L check 5 Compressor TD 34 Joint check High pressure
33. Type 2H series Refer to the description of Under Ceiling Type 1 way Air Discharge Cassette Type 2SH Series Floor Standing Cabinet Type In Cooling operation In cooling operation set the air outlet louver with a horizontal set point so that the cold air diffuses the whole room In Heating operation For Heat pump model only In heating operation set the air outlet louver with a down wards set point so that the hot air blows towards the floor How to change the air outlet port Change the air outlet port using the following procedure 1 Remove the two fixing screws on the air outlet port The fixing screws are reused 2 Remove the discharge port by pushing up on the rear side to a point where you can remove it from the rear clip 3 Lift the air outlet port upwards and remove it 4 Reverse the air outlet port and attach it to the main unit Pay attention so that four claw hooks two at rear and two at the lower sides are hooked on the mounting position 5 Be sure to tighten the air outlet port with the removed fixing screws so that the air outlet port does not come off CH SV Floor Standing Type Adjustment of air flow direction upwards downwards In Cooling operation In cooling operation move the louver with your hands so that the horizontal air outlet points in a direction so that the cold air diffuses the entire room In Heating operation For Heat pump model only In h
34. buttons The change will not be accepted The contents available to be set up on the remote controller differ according to the central control mode For details refer to Owner s Manual of the central control remote controller 1 Oset up temperature display The selected set up temp is displayed 1 TRemote controller sensor display Displayed while the sensor on the remote controller is used LV Operation section Push each button to select a desired operation This remote controller can operate a maximum of 8 indoor units Before the unit can begin operation it is firstly necessary to set the units operating parameters After this has been completed the air conditioner can be used by pushing the AA button only 1 7 TEMP DON OFF FILTER RESET TEST SRO Co 3 1 Air volume select button Selects the desired air volume mode F or the Concealed Duct High Static Pressure type models this function is unavailable Operation lamp The light will be ON when the unit is in opera Note The light will flash if a protective device 2 has been operated or if the timer function has Timer set button an error The TIMER SET button is used when the timer is set up 8 ONE button When the button is pushed the operation starts If the button is pressed again the unit operation will stop When the unit operation has stopped the operation lamp and all of the displays will 3 Check button The CHECK but
35. o o ojuwjo Cassette Type MMU AP0181WH 018 type 2 00 MMU AP0241WH 024 type 2 50 MMU AP0271WH 027 type 3 00 8 0 9 0 MMU AP0301WH 030 type 3 20 10 0 9 0 MMU AP0071 YH 0 80 Available MMU AP0091YH 1 00 Available MMU AP0121YH 1 25 Available 4 5 5 0 MMU AP0152SH 015 type 1 70 Available MMU AP0182SH 018 type 2 00 5 6 6 3 MMU AP0242SH 024 type 2 50 MMD AP0071BH 007 type 0 80 MMD AP0091BH 009 type 1 00 MMD AP0121BH 012 type MMD AP0151BH 015 type Standard Type gt MMD AP0241BH 024 type MMD AP0271BH 027 type MMD AP0301BH 030 type MMD AP0361BH 036 type MMD AP0481BH MMD AP0071SPH 007 type MMD AP0091SPH MMD AP0121SPH MMD AP0151SPH 015 type MMD AP0181SPH 018 type MMD AP0181H 018 type MMD AP0241H 024 type MMD AP0271H 027 type MMD AP0361H 036 type MMD AP0481H 048 type MMC AP0151H 015 type MMC AP0181H 018 type MMC AP0241H 024 type MMC AP0271H 027 type MMC AP0361H 036 type MMC AP0481H 048 type 1 way Air Discharge Cassette Type Available Available Available Available Slim Duct Type Available Available Available Concealed Duct High Static Pressure Type Under Ceilling Type ol 1st revised Jun 2006 2nd revised Sep 2006 MMK AP0091H 009 type 2 8 Available High Wall Type MMK AP0121H 012 type 3 6 i Available 1 series e MMK AP0151H 015 type 4 5 Available e MMK AP0181H 018 type 5 Available 6 3
36. oO D oo c n LL 5 o 50 5 es 0 0 10 20 30 40 50 30 20 10 O 10 20 30 40 50 60 70 80 290 100 Temperature C Temperature C 10 7 3 Temp Sensor Characteristic Td sensor characteristic Ta and other sensor characteristic Except for Td rompas 0 0 e s Tem 3 9 2 o Resistance value Ka se 34 20 13 8 151 10 8 Pressure Sensor Output Check 10 8 1 Outdoor Unit B Pd sensor characteristics 0 to 4 41MPa 0 5 to 5V output with O to 4 41MPa Voltage check between CN501 and Q pins on the outdoor unit I F P C board Tester rod at Q pin side Pd 600 0 00 0 02 0 00 0 04 0 00 0 06 0 00 0 08 0 00 0310 0 00 032 0 00 F014 0 00 0 16 0 00 018 0 00 0 20 0 00 0 22 0 00 0 28 0 00 0 25 0 00 0 27 0 00 029 0 00 0 31 0 00 033 0 00 035 0 00 037 0 00 039 0 00 041 0 00 0 43 0 00 045 0 00 047 0 00 0 49 0 00 066 0 16 090 0 39_ 096 0 45_ aa eol e 147 066 67 149 068 69 139 087 aa 147 0 95 96 148 097 9 8 180 0 99 10 0 152 B Ps sensor characteristics O to 1 48MPa 0 5 to 5V output with O to 1 48MPa Voltage check between CN500 and pins on the outdoor unit I F P C board Tester rod at Q pin side 0 00 000 00 0 02 000 00 am 000 00 0 06 0 00 106 0 18 18 0 08 0 00 1 07 19 307 0 84 86 09 0 19 309 0 85 86 020 0 53
37. operation continues with further error for a period of 10 minutes or more e f the error count reaches 4 the check code P04 is displayed 61 Other cautions 1 Cooling operation in low ambient temperatures 1 The indoor unit freeze prevention control system TC sensor may decrease the command frequency to the outdoor unit when low coil temperatures are detected 2 The cooling capacity control may decrease the command frequency to the outdoor unit when low ambient temperature is detected 3 When the discharge temperature sensor value reaches 60 C or below the frequency may be increased above the required demand from the indoor unit 2 PMV Pulse Motor Valve for outdoor unit 1 When the system power is turned on an audible clicking sound is omitted due to the PMV initializing this is a normal condition When the outdoor unit is situated near other sources of noise this sound may not be noticeable 2 Do not remove the driving part head of the PMV during operation as it may cause the PMV to malfunction 3 When transporting or replacing the outdoor unit never keep the driving part head removed from the PMV body as the valve will be closed and may result in damage or failure due to sealed liquid compression 4 When refitting the driving part head to the body of the PMV apply pressure until a click sound can be heard complete the process by resetting the power to the system 62 7 APPLIED CONTROL
38. played on the remote controller even when the status is ready to heat How to adjust the air flow direction SWING FIX i Push the button during operation 1 Every time you push the button the air flow direction will change In Heating operation In Cooling Dry operation Set the horizontal louver Up Down y Set the horizontal louver Y Up Down air direction adjustment plate air direction adjustment plate downwards H the air flow is directed upwards the hot air may not reach T the floor creating an uneven tem Initial setup perature within the room upwards If directing the air flow downwards condensation may form on the surface of the louver Initial setup and may cause water to drip How to adjust the air flow direction using the swinging function i TEMP DON OFF 2 Push the button Set the direction of the horizontal louver Up Down air direction adjustment plate to its lowest position and then push the button CR again SWING FIX SWING _ is displayed and the air direction will GE automatically upwards or downwards E L In cases where one remote controller controls multiple indoor units it is possible to set each indoor unit individually so that the air flow direction can be altered How to stop the louver from swinging SWING FIX Push the button again while the horizontal louver is moving In all modes gt The horizontal louver can be stopped a
39. 1 Heat sink overheat error All stop IGBT built in temp Check power voltage sensor TH was Check outdoor fan system error overheated 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 vol Check code Detected Check code Wired Outdoor 7 segment displa AI NET ine Status remote g NS central control POSItion name controller Check code Auxiliary code remote controller P10 P10 Indoor address Indoor Indoor All stop with trouble overflow error Indoor Indoor fan Corresponding motor error unit only stops The standard ducted unit air conditioner utilizes a direct current DC indoor fan motor that features current limiting protection In the event power is not isolated prior to sos He protective control circuit will activate and stop the unit operating The check code P12 will be displayed on the remote controller once service work has been completed this code can be cleared by switching off then on the electrical isolation device of the indoor unit and pressing the operation stop button on the remote controller to reset the system Outdoor liquid All stop back detection error Gas leak All stop detection TS1 condition 02 TD condition Gas leak All stop detection TD condition Discharge All stop temp TD2 error Error detection condition Check item position Fl
40. 1 and 2 It is the check after the power has been turned on Check the refrigerant circuit system is normally turned on Check the main power supply is turned on Start the address setup in the outdoor indoor units NOTE The operation does not start by only power ON Set up the addresses Test operation Carry out a test operation Check air blowing and cooling heating operation in the indoor unit 9 2 Check Items before Test Operation Prior to the test operation check the following items so that there is no trouble in the installation work Main check items for electric wiring The communication system differs from that of R22 or R407 refrigerant Modular Multi system air conditioner Check again cautious points on wiring Outdoor unit 3 1 In case that a center control system is not connected Over current breaker fuse Earth leakage breaker Power supply eu AIST A B e Earth leakage breaker Power supply controller Main check items Are indoor and outdoor communication lines of the outdoor unit connected to U1 U2 terminals Is the relay connector between U1 U2 terminal and U3 U4 terminal removed Set up at shipment from the factory Is the terminator resistor SW30 2 on the interface P C board of the outdoor unit turned on Set up at shipment from the factory Is the end terminal of the shield cable grounded Note The above figure does not s
41. 3 Single phase 220 240V 50Hz cl 220V 60Hz LAAAAAAAAHNSY O Se E e 5 d O e T IN ZA AN ZA CEN ZA AMA ls AN Zi Li Li LV Li CN044 CNO40 CN041 BLU vk 1 2 3 4 5 OA AN ZA ADN A A in Option ces CERO a as NN 2 MCC 1401 l DIAN S j Notiz WH 1123 i DE j iara y Re engt l A L 22 i 1723 RED z ES l l ESL i OY i na 1 Network adaptor S A 1X2 KI rs 1X2 IN ee cl 1 2 SSA 1 2 D S ALS NN SSA Ns LA ae Indoor control P C board Power supply circuit CNO75 CNO061 WHI YEL 444 414444 CN032 WHI Le we Ne W ep W 1213141516 Tto VN a W sen VW A W pe Wl HAY C YETSTAYST6 ous NOIA SAS ZI re VEL ODIO IO AIRRAA Y 1520 VN aN enn VW is VW WA LEAL SEALS LS CNO HEES Geo SSES SO EE ST TR 1 O indicates the terminal block letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board 4 When attaching a drain pump exchange CNO30 connector with the of the float switch 5 Apart is connected to the terminal block When exchanging to the outside static pressure necessary at the local site check the terminal No and lead color of the fan motor in the below diagram and then exchange the lead wire indicated by the arrow mark Wired for MMD AP0481 only BRN W
42. 9 7 2 Error Clearing Function 1 Clearing from the main remote controller Error clearing in outdoor unit Error of the outdoor unit is cleared by the unit of one refrigerant circuit system to which the indoor units oper ated by the remote controller Error of the indoor unit is not cleared For clearing errors the service monitor function of the remote controller is used lt Method gt 1 Change the mode to service monitor mode by pushing 5 3 buttons simultaneously for 4 seconds or more 2 Using y A buttons set FF to item code The display in Section A in the following figure is counte ee SITE an amp amp 710711071 0 0 6 F0 G4 d with interval of 5 seconds as OLI er Se 7 A gt EG GEE DL ic bet SE se DET T 5 EG UDUU When the count arrives Li the error is cleared x However counting from ACLS is repeated on the display y 3 When 5 button is pushed the status returns to the normal status Operation procedure 15253 The status returns to the normal status Section A Error clearing in indoor unit Error in the indoor unit is cleared by 24225 button on the remote controller Only error of the indoor unit connected with operating remote controller is cleared 101 2 Clearing from the interface P C board Using the switches on the interface P C board this function is to clear the currently detected error for each refrigerant circ
43. Cause of operation H01 1F Compressor breakdown Outdoor unit power line error TCC L AI NET Compressor circuit system error Compressor error Cause of abnormal overload operation IPDU P C board error NO Is power voltage of outdoor unit normal Correct power line 220 240V 10 YES Is connection of wiring or connection of NO f m connector on IPDU PO board normal Correct connector connection or wiring YES Is winding resistance NO between phases of corresponding rl hend eee compressor normal Note 1 Motor burning etc YES Is not it an abnormal overload Correct cause of overload N Note 1 Take off lead cable of compressor 1 Check resistance between windings It is normal if there are 0 10 to 0 30 2 Check insulation between outdoor cabinet and terminal It is normal if there are 10MQ or more Check IPDU P C board S YES O Details of compressor power connecting section CAUTION After checking the output when connecting the compressor lead again to the compressor terminal check surely there is no distortion on the Fasten receptacle terminal If it is loosened caulk it with pinchers etc and then connect lead to the terminal firmly Check code Check code name Cause of operation H02 1d Compressor error Lock Outdoor unit power line error TCC L AI NET Compressor circuit system error Compressor error Refrigerant stagnation in compressor shel
44. Concealed Duct High Static Pressure Type Dehumidity DS AUTO H 8 HIGH 8 MED HH Low VY One push of the button and the display OB auto Sie ER LE changes in the order shown on the right e When the air volume is set to AUTO AS the air volume will differ according to the room tempera ture In DRY mode the AUTO symbol will be displayed and the air volume will be LOW n heating operation if the room temperature is not heated sufficiently with the air volume set at LOW operation select the MED 8 or HIGH 8 operation The temperature sensor for the indoor unit is located near to the air inlet opening and therefore will differ slightly from the actual room temperature This difference may be increased decreased depending on the type of room and its design Automatic air speed cannot be selected in F AN mode The Air V olume function is not provided on th Concealed Duct High Static Pressure Type instead the air speed HIGH 3 symbol is displayed J Select the air volume with the button 4 Determine the set up temperature by pushing the TEMP Cy or TEMP Ca gt button Stop Push the button The operation lamp goes off and the unit will stop DON OFF oS es CV REQUIREMENT How to set up the air direction Push 2 button In Cooling operation The operation will start after approximately 1 minute Every pushing the button the air directi
45. Fan IPDU CNO2 NO Noise filter P C board CNO8 Check the voltage AC 220 240V YES Replace P C board according to auxiliary code 02 Fan 1 IPDU error 04 Fan 2 IPDU error 06 Fan 1 Fan 2 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 Replace TCJ sensor Indoor unit temperature sensor characteristics See Characteristics 2 Are characteristics of TCJ sensor NO resistance value normal YES Check indoor main P C board Defect gt Replace Check code name Cause of operation Connection error of communication line between IPDU and I F PC board I F P C board error IPDU PC board error External noise Check code F02 Od Indoor TC2 sensor error TC2 sensor Open Short TCC L AI NET Correct connection Is TC2 sensor connector CN101 Black NO on indoor P C board normally connected YES Are characteristics of TC2 sensor NO YES Indoor unit temperature sensor characteristics Check indoor main P C board Defect gt Replace See Characteristics 2 Check code Check code name Cause of operation Correct connection of communication line Correct connection of communication line Correct connection of power supply line F03 93 Indoor TC1 sensor error TC1 sensor Open Short TCC L AI NET NO Is TC1 sensor connector CN100 Brown on indoor P C board normally connected
46. If cooling operation is performed with downward air outlet dew may form on the surface of the cabinet or the horizontal louver resulting in possible dripping of water If heating operation is performed with the horizontal air outlet actively moving unevenness of the temperature may increase in the room Do not move the louver directly with your hands during swing operation otherwise a fault may be caused The vertical louver does not stop immediately even if the button is pushed To adjust the stop SWING FIX position push the button 3 10 Timer Operation A type of timer operation can be selected from the following three types OF F timer The operation stops when the time on the timer has reached the set time Repeat OF F timer The unit will stop every time the set time period has elapsed ON timer The unit will start when the time on the timer has reached the set time Timer operation TEMP DON OFF MODE 1 VENT FILTER Ca 2 RESET TEST OO 1 Push the TIMER SET button The timer display type changes for every push of the button O Co Ore OFF timer Repeat OFF timer ON timer e SET DATA and timer time displays flash No display 2 Push the ICS buttons to select the SET TIME F or every push of th amp A button the set time increases in the unit of 0 5 hr 30 minutes The maximum set time is 72 0 hr F or every push of th amp w button the set time decr
47. Indoor Unit 1 Stop indoor and outdoor units operation and turn off power supply to each units 2 Remove connection cable of PMV Kit from P C board of indoor unit and connect PMV of indoor unit to PC board Indoor unit Pulse motor valve PMV Indoor unit side Connection cable PMV Kit CN82 connector Indoor control P C board Connector conversion cable Note MMK APXXX2H High Wall Type does not use a this conversion cable 3 Turn on power supply of only indoor unit and fully open PMV of indoor unit Note While turn on power supply of indoor unit outdoor unit also turns on power supply PMV of indoor unit can not be fully opened 4 After 2 minutes from turn on power supply of indoor unit turn off power supply of indoor unit After this work PMV of indoor unit is fully opened While this work do not order of operation from remote controller 5 Remove PMV of indoor unit from P C board and connect connection cable of PMV Kit to P C board 6 Treat wires and close electrical parts box of indoor unit 80 18 9 TEST OPERATION 9 1 Procedure and Summary of Test Operation A test operation is executed in the following procedure When a trouble or an error occurs in each step remove causes of a trouble or an error referring to the section 9 Troubleshooting Check before test operation Check the basic items mainly the installation work Be sure to enter the check results in the check list
48. MCY MAP0501 HT HTZ HTZG MCY MAP0601 HT HTZ HTZG MCY MAP0401HT2D HT2DZ HT2DZG MCY MAP0501HT2D HT2DZ HT2DZG MCY MAP0601HT2D HT2DZ HT2DZG 15 1 1 Mini SMMS Unit 43120224 43191602 43122065 43191651 43041 788 43157287 43172196 43063332 4302C069 43148212 43100345 4314G210 4314G211 4318T727 TR LEPE PLE Fan Propeller PE492 Guard Fin Bell Mouth Plastic Guard Fan Compressor DA420A3F 20M2 Heater Crank Case AC240V 24W Heater Case 29W 240V Holder Sensor Motor Fan ICF 140 63 2R Accumulator 7L Panel Back Piping Condenser Ass y Down Condenser Ass y Up Owner s Manual 189 Location No 31 4311M538 43149359 43194077 43119390 43032441 43100347 43100352 43100370 43100371 43100372 43097212 43047669 43063317 43019904 PartNo Description Mark TOSHIBA Socket DIA 19 1 15 9 MAPO0601 Socket 1 8 IN Hanger Nipple Drain Panel Front Piping Panel Air Outlet Panel Front Panel Side Panel Roof Nut Nut Flange Holder Thermostat Holder Sensor 15 1 2 Refrigeration Circuit i E EE KAKA ARO E La RA RAA CI er RR 22 44 59 i 7 2 EE E E EE Z E E 17 LEA ZA Location No Pato Description 43041788 43050407 43151283 4316V135 43046442 43146699 43146683 43146706 43146716 37546847 43146687 43146711 43146708 43146712 43146709 43149
49. P C board are 1 Current release control Feedback from the AC input current sensor CT is used to prevent the inverter input current exceeding its specified limit 2 Heat sink temperature detection control Feedback from the thermistor TH on the compressor driving module is used to prevent the IGBT from overheating The highest value is taken from IPDU TH sensors 3 Over current protective control When an over current condition is detected by the IPDU the compressor is stopped 4 Compressor case thermo control e The compressor stops when the compressor case thermostat is activated e Whenever this condition occurs a 1 count is added to the The case thermostat system error count is normally closed e After a period of 2 minutes and 30 seconds the compressor is and connected to reactivated and the error count cleared if the operation contin interface P C board ues without further error for a period of 10 minutes or more e f the error count reaches 4 the check code H04 is displayed 11 High pressure 1 High pressure SW control prevention The high pressure switch is connected to the IPDU board and is control in the normally closed condition e When the high pressure switch is activated the compressor is stopped e Whenever this condition occurs a 1 count is added to the system error count After a period of 2 minutes and 30 seconds the drive to the compressor is reactivated and the error count is cleared if the
50. Salas z ad Bessey 9BI18YISIG AY Aem sa119S 1 ed L em UBIH Sd Nuis apun edAL puepuels 19ng pajes9uos adAL 919858 oDueuosiq sly Aem p 19eduio5 ed ejesse oeDjeuosiq sly Aem p COVL OOIN p1809 Id 100puJ 1 11 LOL Power transformer Secondary side Power supply AC11V 14V 20V Indoor Outdoor communication Spare PMV output Microcomputer p Indoor Outdoor communication Also used for communication of operation LED EEPROM the central control system ER TRP50A 1FA4B18053000 0 pop assy QUS TRAG S e ay owe SP 6 3WAY cwogiQQ8 MCC 1403 05 db Power transformer A D 2 d i eal Ge 3 Primary side AC IN E EE ST A gt 5 AC200V ey GE n3362 COS C048 mo G a S CN074 qaot A E m ie Flap S S Remote controller e 0 mC power supply LED m a gt E L VADO N 5A SS FOO is 7 Tse aer c E a l Ki 08201 NAINA Ww w S DB202 CNO90 1042 10415 7 41 oo a 29 IC010 amp T8 gt JC080 O E oed E d ISO enn sf MODEL2 2 l w Wo z JP MODELI 104 8 306 ciso 2 HBS cN050 2 E 3 EE a A CN Es LAS S Remote controller Inter unit wire LM CN033 L 70 d s CN S 3 S CN e zB 78 e 4 M Z 8 HA T10 C156 W EG e S sS HUI ong e N C203 TT Ye E S 50 a N H UN 5 E Gi 3 g VA003 3 Es Ss ES epa S v SEH Optional output DPH CN303 e NE
51. address setup for all the refrigerant lines has been completed otherwise address cannot be correctly set up 98 Note 1 When setting the line address from the remote controller do not use address 29 and 30 The address 29 and 30 cannot be set up in the outdoor unit Therefore if they are incorrectly set up a check code E04 Indoor outdoor communication circuit error is output Confirmation of indoor unit address and position by using the remote controller Confirmation of indoor unit address and the position 1 When you want to know the indoor address though position of the indoor unit itself can be recognized lt Procedure gt Operation while the air conditioner operates 1 If it stops push button UNIT 2 Push C button The unit No is displayed on the LCD Disappears after several seconds The displayed unit No indicates the line address and indoor 1 address If there is other indoor unit connected to the same remote controller Group control unit other unit No is displayed every pushing ALTER US UNIT RESET TEST SET CL UNIT C button Operate OO LCOCOJC Operation procedure 152 2 When you want to know position of the indoor unit using the address e To confirm the unit numbers in a group control Procedure Operation while the air conditioner stops The indoor unit numbers in a group control are successively displayed and the correspond
52. and F is 15kg NOTE 2 The standards for minimum room volume are as follows 1 No partition shaded portion 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door 4 Outdoor unit 4 Refrigerant piping eech E y Y 3 If an indoor unit is installed in each partitioned room and the refrigerant piping is interconnected the smallest room of course becomes the object But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next smallest room becomes the object Indoor unit SS Refrigerant piping Outdoor unit Indoor unit Small Medium room room Large room Mechanical ventilation device Gas leak detector NOTE 3 The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7m high A O Range below the density limit of 0 3 kg m countermeasures not needed 3 N m mM o Q o a oOo a Range above the density limit of 0 3 kg m countermeasures needed Min indoor floor area 10 20 30 Total amount of refrigerant kg 1st revised Jun 2006 2nd revised Sep 2006 CONTENTS SEELEN 4 1 DESIGN METHODS ce
53. and HEAT selected simultaneously Dr indication is lit on the display column of the remote controller When the following symptoms are found stop the operation immediately turn off the power supply and contact the dealer from where you have purchased the air conditioner Activation of the power supply causing the unit to operate in an unstable fashion power on power off power on power off etc The main power fuse often blows out or circuit breaker is often activated F oreign matters or water have entered the unit by mistake When the unit fails to operate after the protective device circuit breaker has been removed Not recommended Other unexplained symptoms or unit abnormalities that cannot be explained 0G Confirmation and check When a error has occurred in the air conditioner the check code and the indoor unit No will appear on the display part of the remote controller The check code is only displayed during while the unit is operating If the display disappears operate the air condi tioner according to the following Confirmation of error history for confirmation EE CODE No Indoor unit No in which an error occurred Confirmation of error history When a error has occurred on the air conditioner the error history can be confirmed with the following procedure up to 4 errors can be stored in the 2 memory of the remote controller The history can be confirmed from both operating sta
54. are this turned on the check code is automatically reset 900 lt unt Check code Check code name Cause of operation Check code Check code name Cause of operation Unit connected to other line LEL E20 42 TCC L Al NET during automatic address Auxiliary code 01 Connection of outdoor of another system 02 Connection of indoor unit of another system When starting automatic indoor address a F01 OF Indoor TCJ sensor error TCJ sensor Open Short device in another refrigerant system is TCC L AI NET connected NO Is TCJ sensor connector CN102 Red on indoor P C board normally connected YES Separate the wire between systems according to address setup method Check code Check code name Cause of operation IPDU communication error E31 CF TCC L AI NET Auxiliary code 01 Comp IPDU error 03 Comp Fan 1 IPDU error 05 Comp Fan 2 IPDU error Are communication connectors between I F P C board and comp IPDU connected I F P C board CN600 Comp IPDU CNO6 NO YES Are communication connectors between comp IPDU and fan IPDU connected Comp IPDU CN22 Fan IPDU CN804 NO YES Has the power supply connectors connected comp IPDU and fan IPDU Comp IPDU CN13 NO Fan IPDU CNO1 Check the voltage AC 220 240V YES Has the power supply connectors connected fan IPDU and noise filter P C board
55. as relay coil to L1 L2 load insert the bypass circuit 78 8 PMV KIT OUT LINE 8 1 Purpose of Using In the case of very quiet room and also very nervous for indoor unit noise level PMV Kit should be installed before indoor unit which should becom e lower noise level Multi indoor units have Pulse Motor Valve PMV for control refrigerant flow Multi air conditioner on unstable condi conspicuously tion for example starting time flowing noise of refrigerant can be heard This refrigerant noise mainly comes from PMV Especially very quiet room for example bed room somebody feels uncomfortable for this refrigerant Main purpose of PMV Kit restrains refr noise from PMV igerant noise which comes from PMV installed in indoor unit PMV Kit should be installed at out of residence area for example back of ceiling board After installed PMV Kit control function of refrigerant shifts to PMV of PMV Kit and PMV in indoor unit does not be used After that refrigerant noise of PMV will may be restrained Image of installation Without PMV Kit To outdoor unit Refrigerant pipe gobo gobo Shuru shuru Living space 8 2 How to Use Underpart of the roof be coming from back ceiling board and refrigerant noise of indoor unit With PMV Kit gobo gobo Shuru shuru PMV Kit X Connection cable Underpart of the roof To outdoor unit Ceilling Ceilling Refrigerant p
56. b s WHI Running capacitor TC1 TC2 TCJ Symbol TR 000000000000 Indoor unit earth screw OG D OY Power supply Si den m m a um mes i A Gd mad M ea d EE a RY001 Louver control relay single phase 1 indicates the terminal block CHECK Letter at inside indicates the terminal number RY002 Drain control relay 2 A dotted line and broken line indicate RY004 Heater control relay the wiring at side RY005 007 Fan motor control relay 3 ZZindicates the control P C board I POIN ed Joulqed Burpuels 10014 6 L c HLitZOdV HI8LOdV HISLOAV HLZLOdY HE600dV HEZ00dV TININ 8c 22 AF AF AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV A For AP0071BH AP0091BH AP0121BH CN041 BLU JAR Aen Set MA 09 90 EE r E cxx ee t mmm mmm a Sech E Zeien See E I ME nier im bor l H bL Q i l l lI ER Sa I eA a es ls Pee A 9 SS EE o ieee eee EROR EES EA ARES eh Network Y m deu EE l DE adaptor e TR K i i f II I A 7 i l 7 S Flow selector CG NO ai rsrxa cc E e i Dm OO Hs Screw SAR A GRASA Oy 8 r5 Closed end Y CNO3 RED connector RTL ZA 9 MC 01 Indoor unit earth screw qd yr D ky Q ei S Ed Z Power supply Remote controller single phase 220 240V 50Hz 220V 60Hz 1 Qiindicates the terminal block Letter at inside indicates the terminal number 2 A dotted line and broken line
57. because the outdoor temperature goes A GQ N Timer time display Time on the timer is displayed out of the operable range When a fault error occurs the check code is 1 Ano function display displayed Displayed if there is no function even when the 5 Timer setting setup display button is pushed When pushing the Timer setting button the display on the timer is selected in order of OFF gt C9 OFF repeat OFF timer gt ON No display 6 Filter display If FILTER E is displayed clean the air filter TEST run display 1 Owoae select control display Displayed during a test run Displayed when pushing the Operation mode 8 select de button while the operation mode is fixed Flap position display in heating or cooling mode by the system manager for 4 Way Air Discharge Cassette Type of the air conditioner and Under Ceiling Type model only Displays louver position 1 Dnir volume select display The selected air volume mode is displayed AUTO g HIGH ay MED get LOW 2 In the Concealed Duct High Static Pressure type models HIGH only is displayed for the air speed N 1 Central control display Displayed when using the remote controller together 9 SWING display with a central control remote controller Displayed during the up down movement of the If the Remote controller is prohibited at the central flap control side 2 flashes when operating the DON OFF MODE CD Cv CA
58. branching joint RBM BY53E 4 branching header 1 8 branching header 1 RBM HY1083E 1 For each line after branching header total indoor capacity code must be 6 0 maximum 1 1 4 PMV Kit RBM PMV0361E 007 009 012 type RBM PMV0901E 015 018 024 type 13 1 1 5 Remote Controller Model e Wired remote controller Been E o C O wbd O E pue Lo Bi a Qn Wireless remote controller kit RBC AMT31E RBC AX22CE2 TCB AX21E2 TCB AX21U W E2 Connected to indoor unit Kiel E BBE dB e Ex Wired remote Wired remote controller controller In case of control by 2 remote controllers Connected to indoor unit TOSHIBA Simple remote controller 14 e Start Stop Mode Change Temperature setting e Fan speed e Timer function 1 On or off elapsed timer with 30 minutes increments Automatic off function 2 Weekly when combined with RBC EXW21E2 weekly schedule operation can be operated Filter dirty indicator Displays automatically maintenance time of indoor filter by flashes Self diagnosis function Pressing CHECK button displays status code Control by 2 remote controllers is available Two remote controllers can be connected to one indoor unit The indoor unit can be separately operated from a different location Start Stop Temperature setting
59. button the indoor unit numbers in the identical pipe are successively displayed Only fan of the selected indoor unit operates To select another line address 5 Push 5 button to return to procedure 2 e The ae address of another line can be succes sively confirmed Operation procedure 13 2555 4 5 6 End 6 Push 5 button to finish the procedure Change of indoor address from remote controller Change of indoor address from wired remote controller e To change the indoor address in individual operation Wired remote controller Indoor unit 1 1 or group control When the setup operation with automatic address has finished this change is available lt Procedure gt Operation while air conditioner stops 1 Push simultaneously 5 amp buttons for 4 seconds or more The firstly displayed unit No aus the header unit in group control 2 In group control select an indoor unit No to be changed by button The fan of the selected indoor unit is turned on 7 3 Using the setup temp Cy Ca buttons set 7 to the item code 4 Using the timer time y a buttons change the displayed setup data to a data which you want to change 5 Push button 6 Using the 5 button select the unit No to be changed at the next time Repeat the procedure to Bana change the indoor address so that it is not duplicated 09 010 MON A After
60. connector CN80 1 Check indoor PC board error L31 CS MM IC M Operation PC board I F parts Check indoor A PC board Baue error continues error P01 Indoor Indoor fan motor error Corresponding ccn asc NN the lock of fan motor AC fan unit only stops e Check cabling P03 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 Check characteristics of TD1 sensor resistance value Check refrigerant shortage Check 4 way valve error Check leakage of SV4 circuit Check SVA circuit Miswiring and misinstallation of SV4 Check leakage of SV5 circuit P04 Actuation of high pressure All stop High pressure SW Check Pd pressure sensor error SW actuated 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 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 P07 01 Compressor
61. control is executed to balance the gas when opening SV2 while the compressor is off in order to decrease the activation load in the next compressor ON time This control is individually executed by the outdoor unit 2 SV2 high pressure release control This control is to control pressure rising in low frequency operation of the inverter 3 SV2 low pressure release control This control is to prevent quick pressure dropping transient operation This control is individually executed by the outdoor unit This control is executed as necessary except during stop time and thermostat OFF time 4 SV4 low pressure release control This control is to prevent low pressure dropping and is individually executed by unit This control executed during defrost operation heating start pattern control operation and cooling operation 5 SV5 high pressure release control This control is to prevent high pressure rising and executed unit only Frequency 1 High pressure release control release control This function is to correct the operation command of the compressor and suppress the rise of high pressure 1 Control contents The operation frequency is decreased by 1 step when Pd pressure gt 3 4MPa It is decreased by 1 step every 10 seconds until Pd pressure drops below 3 4MPa 2 Release condition e When Pd pressure lt 3 2MPa When refrigerant recovery control starts in all heating mode During defrost operation st
62. cooling operation CN521 White 1 Detects outside temperature CN507 Yellow Protection of compressor discharge temp Used for release CN502 White Controls super heat in heating operation CN504 White High pressure sensor 1 Detects high pressure and controls compressor capacity CN501 Red 2 Detects high pressure in cooling operation and controls the fan in low ambient cooling operation Low pressure sensor 1 Detects low pressure in cooling operation and controls compressor CN500 White capacity 2 Detects low pressure in heating operation and controls the super heat Compressor case heater 1 Prevents liquid accumulation to compressor CN316 White Accumulator case heater 1 Prevents liquid accumulation to accumulator CN321 Red 92 4 3 Indoor Unit Liquid side Gas side V V SCH N ls Strainer Capillary tube Air heat exchanger at indoor side Pulse Motor vw GH Valve PMV Distributor E Sensor TCJ xc m TC2 Fan motor Sensor TC1 Sensor TA NOTE MMU AP0071YH to AP0121 YH type air conditioners have no TC2 sensor Functional part name Functional outline PMV Pulse motor valve Connector CNO82 6P Blue 1 Controls super heat in cooling operation 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation Temp sensor 1 TA Connector CN104 2P Yellow 1 Detects i
63. display A keep pushing the switch SW04 for 2 seconds or more 3 From when fan step 31 is displayed in 7 segment display B the fan starts operation Max step operation 4 After then 7 segment display B and the fan step are changed by changing the setup number of the switches SW02 and SW03 Output pattern of the fan is as follows SW02 SW03 7 segment display B SWO02 SWO03 7 segment display B emer mm LM LE Cl Lee ET ES ES ES Le ores Ze gl ee Oe D ox apo era or wl p Ze KS ml p tsp a we I rer E SL CAE p o wi rur ZS KSE ER EN A E S KS LA NX IER LAC EZ LE dm DS s KS KR Ez ES ES ES ES Clear This function is cleared by one of the following operations 1 When SWO1 setting number was changed to other number 2 Push switch SWO5 was pushed for 2 seconds or more 106 9 7 8 Manual Adjustment Function of Outside Temp TO Sensor This function is provided to fix TO sensor value manually by the switch operation on the interface P C board in the outdoor unit When the unit stops abnormally due to TO sensor failure etc an emergent operation is avail able by set up the value manually to position near the current outside temperature Operation 1 Set the rotary switches on the interface P C board to numbers as follows e SW01 2 SWO 1 SWO3 15 e segment display t o 2 Keep pushing the push switch SW04 on the interface P C board for 1 s
64. displayed even if turning power on Correct communication line between again of all ue buie ontgoor outdoor units Are communication connectors between NO units on 1 system alone I F P C board and comp IPDU connected E UE PC board CN600 Correct connection of communication line YES Comp IPDU CNO6 YES Are all the connected m outdoor UE P C board s on 1 system NO LE ne M eig aed Ge P C board s of outdoor units for Suber N ul MUI Flex paraa Tor Are communication connectors SEET RE between comp IPDU and fan IPDU connected ins Correct connection of communication line Comp IPDU CN22 l YES Fan IPDU CN804 YES Check again whether there is any other outdoor unit or not on the Using 7 segment on I F P C board check the model name on each outdoor unit communication line in 1 system For check when putting the rotary switch on SW01 02 03 16 16 16 it is an Has th t 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 SE COND Dat y nd fan IPDU NO corresponding outdoor unit and side of 7 segment A part Comp IPDU CN13 Correct connection of power supply line then check once more Fan IPDU CNO1 Check the voltage AC 220 240V YES Has the power supply connectors connected fan IPDU and noise filter P C board NO Correct connection of power supply line Noise filter P C board CNO8 Fan IPDU CNO2 Check the voltage AC 220 240V YES Rep
65. e UA L z aX ETLTER LUE NA SE a 0065 E 130 vu GND 5202 Se 3 8 P SENSOR B e DP CN068 d a aa oan Y RY007 3XI Nu an ES Drain pump output NU 3 Gm pump outp Se QN pe 2 AN ey CNIOSTF BL ONQ80 DN oun og oun 5 d CN309 ex e Optional C OP rH re S E CN304 7 power supply HEATER CN0T FAN CN083 waats dno20 GRL TGJ E1 TC E2 TCiKE3 CHK ISA ou RC EXCT TCI sensor AC f tput Ifesensor EE ut LL S TC2 sensor DISP Used for Filter Option error input CHK J Servicing TCJ sensor Float SW Short plug is inserted in Concealed Duct High Static Pressure type Floor standing cabinet type Floor standing type Floor stabding conceded type 1 2 way Air discharge cassette 1 way Air discharge cassette Floor standing only ed A DBuipuejs 10014 Sd pajeadu04 Duipuels 100 ed L 1euiqe5 Buipuezs 10014 ed a1nssoaJdg 91181S YIH nq pajes9uo0s sa119S 1 ed L onesse 9B1ey9sIg sly em Sd y sses oDujeuosig AY Aem z COVL OOIN MCC 1520 2 way Air Discharge Cassette Type 1 way Air Discharge Cassette Type 1 Series Concealed Duct High Static Pressure Type Floor Standing Cabinet Type Floor Standing Concealed Type Floor Standing Type z S IGO MCC 1520 01 COMPONENT SIDE Power supply trans side Input Control P C board side Output 162 11 1 3 Optional Connector Specifications of Indoor P C Board O Humidifier output CN66 E DC12V In heating thermo O
66. ee jp Wd e L U Connection palas tos i cable ry tt i ao dg an 4 Fog BENE i i 7 I i E Fog l i boue geo sw I 1 I Fog U HN L 4 i TATOOS i H 1 r I I l a I ji gt an BEER LM WEE Shield wire lt SW07 Bit 2 ON 100 Normal 100 Normal 100 Normal 100 Normal A CAUTION Be sure to prepare non voltage continuous point of contact for each terminal Display relay capacity of OPERATION Below AC240V 0 5A COSf 100 When connecting load such as relay coil to L1 load insert the noise surge absorber Below DC24V 1A Non inductive load When connecting load such as relay coil to L1 load insert the bypass circuit 74 7 2 5 External master ON OFF control B Feature The outdoor unit starts or stops the system B Wiring Input wiring 3 core 0 75 mm Up to 500 m Shield wire B Function Electric wiring diagram Outdoor unit Local supply I F P C board Connection cable Shield SMC Input signal for start SMH Input signal for stop Terminai imputsignal Operation Starts all indoor units Stops all indoor units A CAUTION Be sure to prepare non voltage pulse point of contact for each terminal This control is conducted when input signal stand up or fall down Standing and falling status should be held for 100 m sec or more 75 7 2 6 Night Operation Sound Reduction Control B Feature Sou
67. flare joint and socket joint are used for joints of the copper pipe The joints are rarely used for installa tion of the air conditioner However clear impurities when using them 4 Tools 1 Required Tools for R410A Mixing of different types of oil may cause generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air air conditioner installation conditioner installation Used tool Existence of Whether conventional Whether new equipment new equipment equipment can be can be used with for R410A used conventional refrigerant Copper pipe gauge for l l adjusting projection E by conventional Yes Note 1 Note 1 margin are tool algo mano Evacuating refrigerant 2 Charge hose charge run check etc mM balance for Bebe EE charging 9 9 Refrigerant cylinder cylinder Refrigerant charge charge Leakage detector Gas leakage check Note 1 When flaring is carri
68. may be stopped temporarily to prevent hot air from being blown out 67 The slot provided at side surface of the outdoor unit is an air intake for cooling the electrical parts If the air intake would be clogged a trouble is caused on the electrical parts Therefore never close the air intake or do not place any obstacle near the air intake Slot for air intake Air conditioner operating conditions F or the specified performance operate the air conditioner under the following temperature conditions Cooling operation Outdoor temperature 5 C to 43 C Dry bulb temp Room temperature 21 C to 32 C Dry bulb temp 15 C to 24 C Wet bulb temp CAUTION Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may cause dewing Heating operation Outdoor temperature 15 C to 15 5 C Wet bulb temp Room temperature 15 C to 28 C Dry bulb temp If air conditioner is used outside of the above conditions the units safety protection devices may operate 3 14 Re Installation DANGER If the unit position is to be changed and re located to a new position ask your local dealer or installation specialist Do not attempt to move the air conditioner yourself as incorrect installation may cause electric shock or fire Do not install the air conditioner in the following places e Do not install the air conditioner in any place w
69. n a D Turn on the power SW11 10 Then set up the central control address Swi 313 314 For the central control address setup refer to the Installation ON mom 5 4192 5 4 of th tral control devices manual of the central control devices ajajaja D DO ajajaja DO Mii ome dies SW06 SW10 SWO7 SW08 SW09 wiring work Manual setup from remote controller Arrange one indoor unit and one remote 1 2 Outdoor unit 1 I 1 1 1 1 1 A 1 1 1 1 1 1 a T Line address gt 1 1 1 2 2 Before address setup Indoor address gt 1 2 3 1 2 During setup of address Group address gt 1 2 2 2 2 Lo I EEN Follower Header Individual In the above example under condition of no inter unit wire of the remote controller set the address after individual connect ing of the wired remote controller Outdoor unit Group address Individual 0000 Header unit 0001 Follower unit 0002 In case of group control After address setup Relay connector connector AJB AIST Remote controller Remote Remote Remote controller controller controller Individual Group REE oem RR SW13 14 Operation procedure rh 1 2 3 1 Refrigerant line address SW30 2 1523334353063 Terminal end resistance OFF after OFF after of indoor outdoor communi ON bation Ve SE address setup address setup l5 8 gt 9 gt 10 gt 1 1 End communication line
70. of TC2 sensor and TCJ sensor discharge e When B zone has continued for 6 minutes the operation e In D and E zones priority shifts to C zone is given to remote control In defrost time the control point is set to 6 C ler air speed setup In A and B zones i 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 7 Freeze 1 In all cooling operation the air conditioner operates as de prevention scribed below based upon temp detected by TC1 TC2 and control Low TCJ sensors temp release To prevent the heat exchanger from freezing the operation stops e When J zone is detected for 5 minutes the command frequency becomes SO to the outdoor unit In K zone the timer count is interrupted and held e When Z zone is detected the timer is cleared and the operation returns to the normal operation e When the command frequency became SO with continua tion of J zone operation of the the indoor fan in LOW mode until it reaches the zone It is reset when the following conditions are satisfied Reset conditions 1 TC1 gt 12 C and TC2 gt 12 C and TCJ gt 12 C 2 30 minutes passed after stop IO 10 C 5 C 2 In all cooling operation the air conditioner operates as described below based upon temp detected by TC2 and TCJ Sensors e When M zone is detected for 45 minutes
71. on gas and the liquid sides fully opened Open the service valves fully YES YES Correct connector connection Are TS1 TE1 Pd Ps sensor NO T dale Ge connectors connected Pd sensor CN501 Is outdoor PMV normal YES PE SENSOR ER 1 Connector connection 2 Cablin NO 3 Coil g Repair outdoor PMV 4 Valve body Connectors CN300 301 White ENTENDER NO l re characteristics of resistance value 5 Outdoor I F P C board of TS1 and TE1 sensors normal YES YES Are characteristics of NO Replace TD sensor Are output voltage characteristics bis j 2 eplace sensor TD sensor resistance normal Refer to outdoor unit temperature of Pd and Ps sensors normal sensor characteristics 4 YES YES Is SV4 valve circuit normal ie Repair SV4 circuit Are connection and installation NO Correct connection Coil misinstallation valve leakage l of TE1 and TL sensors correct and installation YES Coil valve body coil Ee YES disconnection of cable etc Reset the power supply and NO p pply Are there indoor units connected in different refrigerant circuit start heating test operation Correct cabling YES YES If an error did not occur Does refrigerant gas discharge to suction side through 4 way valve 1 Does 4 way valve operate in test operation restart the operation Refrigerant shortage clogging pipe breakage Check there is no clogging and pipe breakage and then recharge refrigerant NO YES 4
72. operation NO Does cooling outdoor fan normally operate Correct faulty parts YES YES Is there no fan crack or coming off Correct faulty parts NO Connector connection fan IPDU fan motor wiring NO Is outdoor PMV normal Correct faulty position YES Connector connection wiring coil mounting valve clogging etc Are there any obstructions to the YES 1 Blocked heat exchanger Eliminate the interfered causes 2 Air short circuit NO NO Is SV2 circuit normal Repair SV2 circuit YES Coil error clogging disconnection of cable etc NO Is SV4 circuit normal Repair SV4 circuit YES Coil error clogging disconnection of cable etc NO Does the check valve of the main discharge pipe operate normally YES Repair check valve Replace Refrigerant overcharge clogging pipe breakage abnormal overload condition All heating operation Does heating indoor fan normally operate YES Is the PMV Kit used YES Is indoor PMV normal PMV built in the indoor unit is made full open Connection Is connector connection of indoor heat exchanger fan or fan motor normal Repair faulty parts NO Are characteristics of sensor TC2 and TCJ resistance normal Replace TC2 or TCJ sensor Is the PMV built in the indoor unit made full open NO Is the connection cable between PMV Kit and indoor unit connected certainly Is the PMV of PMV Kit normal
73. outdoor unit In Heating operation For Heat pump model only When excessive dirt or dust is adhered to the air filter of the indoor unit When the discharge port of the indoor unit is blocked Cooling heating operation of MiNi SMMS air conditioner In MiNi SMMS air conditioner each indoor unit can be individually controlled However cooling operation and heating operation cannot be performed concurrently for the indoor units which are connected to the same outdoor unit When cooling operation and heating operation are performed concurrently the indoor unit which is performing cooling operation stops and the gi on the unit display will be lit The indoor unit that is in heating mode will continue operation If the manager has fixed the setting to COOL or HEAT no other operation can be performed When another operation other than the set up one is performed the gi light is displayed on the display part of the indoor unit Characteristics of heating operation For Heat pump model only Hot air will not be blown out immediately from the indoor unit It will take between 3 to 5 minutes depending on temperature conditions of the room and the outside before the indoor heat exchanger warms up sufficiently to allow hot air to be blown During operation the outdoor unit may stop if the outside temperature becomes to high When other indoor units are in heating operation the fan operation of the indoor unit on fan only operation
74. qualified service person do it Do not attempt it by yourself Locations with poor air circulation 4 way Air Discharge Cassette Type Concealed Duct Standard Type Under Ceiling Type 2 way Air Discharge Cassette Type Slim Duct Type Electric wiring 1 way Air Discharge Cassette Type Concealed Duct High Static Pressure Type A WARNING Ensure that the unit is correctly earthed AAA KE N Grounding is necessary If earthing d incomplete an electric shock may be caused AJ H7 N G 00 p A CAUTION SN Check that the circuit breaker is fitted E Attaching a earth leakage breaker is necessary Otherwise an electric shock may be caused 2 way Air Discharge 4 way Air Discharge 1 way Air Discharge Cassette Type Cassette Type NO GOOD NO GOOD Make sure that the correct capacity fuses are used Using wire or copper wire may cause a fire or unit fault Ensure that the power supply to the unit is exclusive and is the correct rated voltage SA S euo A QS So To disconnect the appliance from the main power supply This appliance must be connected to the main power supply by means a circuit breaker or a switch with a contact separation of at least 3mm NO GOOD Concealed Duct Under Ceiling Type Slim Duct Type Concealed Duct Standard Type High Static Pressure Type Lv High Wall Type Model 1H series Push the projection at the center of the air filter Undo the clip o
75. the same time for 4 seconds or more as shown in the figure the display section flashes after a while confirm the displayed item code is 7 e When the item code is one other than 77 push button to 1 eliminate the display and then repeat the procedure from the first step The remote controller operation is not accepted approx 1 minute after pushing button dg lighting After setup operation has finished push button Setup is determined When pushing E button the display disappears and the status returns to the usual stop status The remote controller operation is not accepted for approx 1 minute NOTE Only one indoor unit can be set to Priority If the multiple indoor units are accidentally set to Priority an error code L05 or L06 Duplicated indoor unit priority is displayed To the unit displaying L05 0001 Priority is setup Separate a unit which you will give priority from the other indoor units and return the setup data of the other indoor units to 0000 No priority Error code Error contents LO5 Indoor unit priority duplication 44747 is set up LO6 Indoor unit priority duplication 7 77 is set up 71 1st revised Jun 2006 7 2 2 Placing position Install this optional P C board to the back side of the Interface P C board on outdoor unit Be sure to turn off the power switch before installing 1 If the screw of the positio
76. to be installed Setup Note In Specific indoor unit priority mode only it is necessary to set up an indoor unit only which you desire to give priority Outdoor unit Header unit only setup Operation Heating priority Setup at shipment No of operating units Priority is given to operation mode with which much more units operate ON ON Specific indoor unit priority Priority is given to operation mode of the indoor unit to which the operation mode priority has been set up 70 1st revised Jun 2006 2 Indoor unit setup in Specific indoor unit priority mode The setup can be changed during stop of operation Be sure to stop the system a O In a group control the indoor unit with number displayed firstly is set to the header unit Every pushing UNIT the indoor unit numbers in the group control are successively displayed Select the indoor unit of which setup is to be changed 2 Using the timer time and buttons select the setup data Priority 2 777 No priority OOOO EN Push button In this time the setup operation finishes when the display changes from flashing to In this time as the fan and louver of the selected indoor unit operate the position of the indoor unit of which setup is to be changed can be confirmed When pushing buttons at
77. to the refrigerant pipe of the selected outdoor unit is dis If it has been already removed leave it as it is played and the fan is turned on 2 Turn on SW30 2 on the interface P C board of the outdoor unit if it is OFF First the current indoor address is displayed on the setup data Line address is not displayed If it has been already ON leave it as it is 4 The indoor address of the setup data moves up down by the timer time y buttons Change the setup data to a new address Central control device 5 Push button to determine the setup data 6 Every pushing button the indoor unit numbers in the identical pipe are successively Outdoor unit Outdoor uni displayed Only fan of the selected indoor unit operates Repeat the procedure to O and change all the indoor addresses so that they are not duplicated 7 Push button All the displays on LCD go on e CE 7 So Remote Remote Remote Remote DEE SEKR controller i controller Unit of which address is to be returned to the initial statys 8 Push GG button to finish the procedure CODE No Sl SET DATA GENO SET DATA GINO Nb 1 D NR P o NW I 2 ee l l l 2L gt SC FS 7L OL i MIL 13 10 2 Turn on the indoor outdoor power of which address is to be cleared After approx 1 minute check that TEMP DON OFF U 1 is displayed and then execute the following operation on the interface P C board of the outdoor d uni
78. way valve error Reversed error Check the change of remote controller connection Indoor Duplicated indoor center units Corresponding There are multiple header units Check indoor address unit only stops in a group Group individual after indoor address setup Duplicated outdoor line address All stop Line address setup is duplicated Check line address against the outdoor unit in different refrigerant pipe system Duplicated indoor units with priority All stop Indoor units with priority were e Check display of indoor unit with priority Displayed on indoor unit with priority duplicated No of indoor units with Duplicated indoor units with priority All stop Indoor units with priority were Check display of indoor unit with priority and outdoor priority Displayed on the unit other than duplicated unit indoor unit with priority Indoor Group line in individual indoor unit Corresponding At least one indoor unit Check indoor address unit only stops connected to a group existed in the individual indoor units Indoor Indoor group address unset Corresponding Address was not yet set up Check indoor address unit only stops Note After installation this code is displayed when the power is first turned on Indoor Indoor capacity unset Corresponding Indoor unit capacity was unset Set up indoor capacity DN 11 unit only stops Outdoor capacity unset All stop On the I F PC board for se
79. way valve error Check 4 way valve 1 Check TS and TE temperature of the outdoor unit which compressors is operated I F SWO1 1 SWO2 6 SWO3 2 TS sensor temperature SW01 1 SW02 7 SWO3 2 TE sensor temperature Judgment criteria TE sensor Normal if TE lt 20 C except summer season Outside temp 20 C or lower TS sensor Normal if TS lt 40 C except summer season Outside temp 20 C or lower pl Check code Check code name Cause of operation High pressure protective operation P20 22 TCC L AI NET mb 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 UE P C board error Operation error of check valve of main discharge pipe Refrigerant overcharge E E NO Open service valves fully Are service valves fully opened Are characteristics of high pressure sensor normal Check parts Failure gt Replace Cooling operation gt To Heating operation gt To C Reset power supply and start a test operation corresponded to the season 1 Pressure by pressure gauge Check joint 2 Pressure display on 7 segment display 3 Output voltage of I F P C board If 1 and 2 3 are different an error of pressure sensor is considered If 2 and 3 are different check I F P C board Cooling
80. 04 Indoor coil temp TC2 C x 1 Indoor unit data NOTE 2 Outdoor unit individual data NOTE 4 5 System data we Outdoor heat exchanger temp T e Temp at liquid side T Ge Indoor discharge temp Tf NOTE 1 EIER EAT Indoor PMV opening pulse x 1 10 KIC ES Total HP of connected indoor units EN PMV1 2 opening ulse td C Compressor 1 2 ON OFF NOTE 3 OC No of connected indoor units unit NOTE 1 Only a part of indoor unit types is installed with the discharge temperature sensor This temperature is not displayed for other types NOTE 3 01 Compressor 1 only is ON 10 Compressor 2 only is ON 11 Both compressor 1 and 2 are ON NOTE 4 The item codes are described as the example of the header unit FE ERE el a el Ce on Nootconnectedindoor nits em Compressor eunent 2 A Par a es os Ieamaamam HP 0 Delage NOTE 2 When the units are connected to a group data of the header indoor unit only can be displayed 109 10 TROUBLESHOOTING 10 1 Troubleshooting Summary 1 Before troubleshooting 1 Required tools measuring devices e Screwdrivers Philips Flat spanner longnose pliers nipper push pin for reset switch etc e Digital multimeter thermometer pressure gauge etc 2 Confirmation before check The following items are not troubles VS Compressor does not operate Is it delayed for 3 minutes 3 minutes after compressor OFF Is thermostat OFF Is the
81. 0V 3uF AC500V 3 5uF AC500V 4uF Transformer TT 13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 Louver motor MT8 3 9 36 2nd revised Sep 2006 3 2 Outdoor Unit wn MCY MAP0401HT MCY MAP0501HT MCY MAP0601HT MCY MAP0401HTZ MCY MAPO501HTZ MCY MAP0601HTZ MCY MAP0401HTZG MCY MAP0501HTZG MCY MAPO601HTZG DA421A3F 20M2 VHV type AC220 240V 50Hz HAM MD12TF 3 DC12V SV2 SV4 SV5 VPV type AC220 240V 50Hz SV2 VPV122DQ1 SV4 SV5 VPV303DQ1 ACB 4UB32W Open 3 73MPa Close 2 9MPa NSK BCO38F 067 0 5 to 4 3V 0 to 3 73MPa NSK BCO10F 067 0 5 to 3 5V 0 to 0 98MPa ICF 140 63 2R DC Compressor AC240V 29W Accumulator AC240V 24W US 622KXTMQO SS OFF 125 C ON 90 C wn MCY MAP0401HT2D MCY MAP0501HT2D MCY MAP0601HT2D MCY MAP0401HT2DZ MCY MAP0501HT2DZ MCY MAP0601HT2DZ MCY MAP0401HT2DZG MCY MAP0501HT2DZG MCY MAP0601HT2DZG DA421A3F 20M2 VHV type AC220V 60Hz HAM MD12TF 3 DC12V SV2 SV4 SV5 VPV type AC220V 60Hz SV2 VPV122DQ1 SV4 SV5 VPV303DQ1 ACB 4UB32W Open 3 73MPa Close 2 9MPa NSK BC038F 067 0 5 to 4 3V 0 to 3 73MPa NSK BC010F 067 0 5 to 3 5V O to 0 98MPa ICF 140 63 2R DC Compressor AC240V 29W Accumulator AC240V 24W US 622KXTMQO SS OFF 125 C ON 90 C 3 3 PMV Kit We Semer CS Pulse motor valve coil EDM MD12TF 3 DC12V 37 3 5 Parts Layout in Outdoor Unit Reactor box Weight 9kg I
82. 1 4 way valve 57 ID 91 5 x 200L 39 Low pressure sensor 4314Q031 43146715 43146676 43148213 43148216 43151291 43150321 43047491 43146448 34 Joint check e Strainer DIA 9 52 Valve Checked BCV 804DY Jointe Check Tank Liquid HT Tank Liquid HT2D Sensor Ass y High Pressure NSK BCO038F 067 Sensor Ass y Low Pressure NSK BC010F 067 Tube Capillary 1 D 1 5 Tube Capillary 15 2 PMV Kit RBM PMV 0361E RBM PMV 0901E Location Legation parto Desoription 1 43149356 Pipe Ass y Service PMV PBM PMV0361E Location er Legation PartNo Description 3 43183025 Joint 6 35 9 52 PBM PMV0901E 43149357 Pipe Ass y Service PMV PBM PMV0901E 43146707 Motor PMV EDM MD12TF 3 43135015 Cable Ass y PMV 43135016 Cable Ass y Connector 43196113 Bushing 193 TOSHIBA CARRIER CORPORATION 2 CHOME 12 328 KONAN MINATOKU TOKYO 108 0075 JAPAN Copyright O 1999 to 2005 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
83. 1 For 7 segment display service operation SWO3 Rotary SW 4bit 16 step Display Operation switch 3 For 7 segment display service operation SW04 Push SW For service Operation Start Operation Start by pushing SW05 Push SW For service Stop End Stop End by pushing teg Backup setup 2 Based on the following setup SWO6 SW 4bit ore oe oe om ea Le ESAS A We OFF 0 100 ON Middle 100 OF baren IA om SWO07 SW 4bit Bit 3 CO EE Bit 1 e II EC Bit 4 Judge abnormal No of connected indoor units OFF No error judgment ON Error Bp o m m Leer om d oer SW02 Rotary SW 4bit 16 step Display Operation switch 2 For 7 segment display service operation 1 SW10 SW 4bit OFF Normal SS ON INV f limit restrict OFF Sound saductiomeonrol requency upper limit restriction Bit 4 OFF Normal ON Fan rpm upper limit restriction OFF E UJ v Bit 4 Operation when indoor overflow detected OFF System stop ON System operation continues PMV manual operation selected OFF PMV ech esch SW13 SW 4bit UJ Co O TI T Bit 4 Line address setup SW14 SW Abt Bit 1 2 3 4 Line address setup Refer to item Address setup procedure E SW30 SW 2bit Terminator resistor between outdoor units a HEN resistor CN30 Manual full opening setup of PMV Opened Normal Short Opened fully CN31 Check connector Manual full closing setup of PMV Opened Normal Short Open
84. 10 minutes to start the operation due to the initial communication of the system Is cold air or hot air discharged Check operation status of the compressor YES Is air circulation good Check direction of the louver YES Test operation for all units in turn Execute a test operation using Operate all the indoor units at once Function of start stop the indoor unit from outdoor unit in Service support function NOTE 1 Is the temperature difference NO between suction and discharge good e Check power voltage of the Is the operating voltage correct main power supply Rated voltage 10 e Check cable size of the power supply NOTE 2 Is the operating current normal Check temperature load of the indoor room outdoor ambient Check pipe length and refrigerant charge amount NOTE 3 Check operating Hz of compressor e Check abnormal sound in the outdoor unit Abnormal sound etc of compressor and others Is the operating pressure normal YES 95 2nd revised Sep 2006 NOTE 1 Criteria for judging difference between suction and discharge temperature 1 Cooling After operation for a minimum of 30 minutes in COOL mode check the dry bulb temperature difference Temperature difference 8 C or more between suction and discharge air of the indoor unit In Max Hz operation 2 Heating After operation for a minimum of 30 minutes in HEAT mode check the dry bulb temperature differe
85. 325 4314Q030 43148212 43100343 Compressor DA420A3F 20M2 Thermostat Bimetal Switch Pressure ACB 4UB32W Bush Valve Packed 9 52 DIA Valve Ball B5 8F Coil Solenoid VHV 01AJ502E1 HT Coil Solenoid VHV 01AH553A1 HT2D Coil Solenoid 2 Way AC220 60Hz HT2D Coil Solenoid 2 Way AC220 240 50Hz HT Valve 4 Way STF 0401G Valve 2 Way VPV 122DQ1 Coil PMV HAM MD12TF 3 Valve 2 Way VPV 303DQ1 Valve PMV HAM BD24TF 1 Band Fix Strainer DIA 15 9 Accumulator 7L Base Ass y 190 4314G210 4314G211 43146715 43146676 43148213 43148216 43151291 43150321 43149339 43149320 43149321 43149324 43047401 43194029 43047491 43146448 43149358 4314Q031 Condenser Ass y Down Condenser Ass y Up Valve Checked BCV 804DY Joint Check Tank Liquid HT Tank Liquid HT2D Sensor Ass y High Pressure NSK BCO038F 067 Sensor Ass y Low Pressure NSK BC010F 067 Rubber Supporter Pipe DIA 12 7 Rubber Supporter Pipe DIA 8 0 Rubber Supporter Pipe DIA 6 4 Rubber Cushion Bonnet 3 8 IN 9 52 Bonnet Tube Capillary I D 1 5 Tube Capillary Rubber Supporter Pipe DIA 9 52 Strainer DIA 9 52 15 1 3 Controller for Air Conditioner 706 Location No 41 43063325 43169409 43155211 43150315 43050425 4316V306 4316V307 4316V308 PartNo Description Holder Sensor Holder Cord Capacitor Sensor TD F6 Sensor Ass y Service
86. 5 e External static pressure setup Non Drain pump type SH Type JSPOW d L ong WIS ZL L Z SPH Type Float switch LE TAD Y PSSS q1 p777 q Pressure Pressure Option i GE E Option NO Relay connector sensor sensor board 1 board 1 board PS PD gc c d u BN m URN O N eg AT Oe nr i I SE Su CNO 2T1 ERA ATSYAT MERA AT3Y2T AT3T2T1 ksen IT ken PARLI 00008 ETE y eier 241 5518201 Tale OT 46M 404 48241 4681 64881 180 61121 Aa YEL BLU E CN300 CN500 CN501 CN508 CN509 CN510 CN513 CN512 CN600 ee c o D WHI WHI RED RED BLK WHI BLU BLU WHI m WH O O O O O O rh rit LAGO cNo2 CN20 CN21 lt lt lt lt lt lt gemis ii PPP CT CN500 eeh Interface Control P C Board Sm W i GAN a n gt gt gt gt O O I SC HUGO MCC 1429 un Comp IPDU P C Board Ooo oo o o unit aaa I tel 1 2 MCC 1535 Central remote ou CN13 OO 0 E O 0I A c controller 00 SW30 ORNS ooo Oo CH CH gt eo OR ON OR ON SR EE diee dde o e didam CN311 vil RY502 SW11 SW12 SW13 SW14 YEL WHI BLU SAME Wa ON ON ON ON M p Y Lei GE VUUOIVU Ur Hr Hd UO DUU ce TIINNN RY504 1 2 3 4 1 2 3 4 b 1 2 3 4 1 2 3 4 WHI j Se WHI al em Swo6 SW07 2 SWO9 SW10 NNN L LI SW08 el el el SW31 NNI NN INI 19 o 19 CNO4 CN804 IN IN I IB GAN onog WHI WHI BLU ODO CN312 x Aee SW04 SWO5 SW15 RED me Beal DM DN O TUE RY516 e J J g La
87. 7 m MCC 1402 TC2 CN100 P523 BRN Be CN80 PI PNL GRN a cN73 HU SE oo EXCT oRED ies l o WHI CN50 CN32 CN61 CN60 CN81 CN40 CNA CN309 CN20 CN70 b dritter input Indoor unit Y QA Closed end BLN 2 WHI WHI YEL WHI BLK BLU BLU YEL BLU whi 42 N N connector Gem Lem Lem TRAS WN VY NN NN VN NY TN Gem Cem NNN TNT WN NN OV NNN a AA CANAS MAS MS ES MOCO GO Earth screw Fandrive Option Oo OI X3 ol 13 RED pwr Flow selector unit earth screw CN66 E I ed exesse2 eDujeuosiq AY em p L L c oo nl o Power supply See n Single phase i Loser 220 240V 50Hz 999 220V Te KEE EE EE etc a a MW ee A H dee eme 1 1 O indicates the terminal block letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board CNO1 ae Network adaptor 14 x 121 Option 7 T HL9SOdV Hi8trOdV HE9 0dV HEOEOdV HIZZ0d V NININ HLVZOdV HL8LOdV HLSLOdY HELZLOdV HL600dV NININ wee eee ee ee ee eee ST I I o Aerer Parts name T C M i I l Fan motor I Indoor temp sensor SARA y Outdoor unit Temp sensor EE Temp sensor r I ze e e vm e e zm e d vm e e e e e vm e HINL8LOdV HINLGLOdV HINLZLOdAV HIN L6OOdY HINLZOOAV NININ N m Q Gs T D o Color identification RED BLK BLACK The network adapter MCC 1401 cannot be mounted to
88. 82 CN033 Color CN104 OU GER indication CN301 YEL eer A O RED RED BLK yn TA WHI WHITE CN102 DE YEL YELLOW RED A212yY ewe BLU BLUE mo TCJ BLK BLACK TE Y GRY GRAY BLK 42 PNK PINK CN304p gt oO BRW BROWN ode ees GRN GREEN BR 3 Y3 sae Indoor control P C board ATA TC1 out oo E YEL Ka OO CNO80 EE GRN APN CNO073 EXCT RED CN070 4 1X1 WHI gt lt Filter gt A Power supply circuit CN081 BLK CN044 CN040 CN041 CNO75 CNO61 CN032 CNO60 BRW BLU BLU WHI YEL WHI WHI 1 A A Ado uu VA a RALES 00000 A Mer maca DST UI E Me 2 UXA CLE X3 X X3 02814516 Fan drive Option N o2 ui RE eA NIN ZI ZI aAa LINA DOORS H J Flow selector l EE AES EOS STER SUPR MA A uaea a E PARA Y REA teet HYZTSY4YSY6 cno ac screw spaces RBS Ok lt O Ee EE 1Y2 13 I4 f 5X6 VEL MCC 1401 7 rr Network Es RED Closed end O connector Line Filter SR CN LS adaptor EC Symbol Parts name WH o rer J Fan motor AS ee p LR LAT ORT Running capacitor S A QA am EE Ped ARIS FATS KE WHI Power transformer Indoor unit 3 BLU TXT NN oN ON LON PC board IWER Louver motor Earth screw WABI B E e S e IN Z IN c BTE NT Z 000 00 00 00 T Indoor temp sensor Single SH eg f E contra contol z GI T1 BLU AA TC1 TCJ Temp sensor xu RE i DS i RY001 Louver motor control relay EE gen t RY002 Drain pump control relay EE EE 1
89. AI NET Outdoor fan system error TCC L AI NET 2 Fan motor error Heat sink installation error 3 Indoor P C board error Clogging of hear sink cooling duct IPDU P C board error TH sensor error Detectable only in models with DC fan motor NO T ren pewerisuppy 4 way Air Discharge Cassette or Concealed Duct Standard type Correct power line 220 240V 10 Under Ceiling or High Wall type Is power voltage normal YES 7 NO E Is wiring of comp IPDU normal Correct wiring such as cable to compressor YES Is there connection error or YES disconnection on connector CN333 CN334 of indoor P C board MCC 1402 Correct connector connection NO NO Is outdoor fan normal Check fan and fan motor Remove connectors CN333 and CN334 on indoor P C board MCC 1402 YES Is fixing between comp IPDU and heat sink loose TER IXI Ww l f S x g H g Does fan turn without trouble NO Heblaesindaor E EE NO when turning it with hands H YES Check IPDU P C board Is resistance value between each phase at motor side of fan motor connector CN333 on indoor P C board MCC 1402 correct si Replace indoor fan motor 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 Check code Check code name Cause of operation 4 way Air Discharge Cassette Compact 4 way Air Discharge Cas
90. C board Failure gt Replace NO NO Is power supply to Check indoor P C board Does drain pump operate drain pump normal Failure gt Replace YES Does float SW operate Check indoor P C board MCC 1402 Failure gt Replace Replace drain pump m check cabling Check there is 220 240 V voltage of 1 3 pin of CN68 on indoor P C board rn rn rn Wa Wa Wa Check drain pipe etc Lvl Check code Check code name Cause of operation P13 47 Outdoor liquid back detection error 1 PMV error TCC L AI NET Pd sensor Ps sensor error Check code Check code name Cause of operation P15 AE Gas leak detection Outdoor unit service valve closed TCC L AI NET TS condition Auxiliary code 01 2 Outdoor PMV error Clogging of SV2 circuit TS1 sensor error Leakage on main discharge pipe Outdoor I F P C board error Refrigerant shortage clogging refrigerant circuit 4 way valve error SV4 circuit error Are connections of outdoor NO Correct connector connection PMV connectors correct N Are packed valves at gas and YES quid side fully o Open service valves fully NO YES Are operations of outdoor PMV normal PMV error O Z Co O 2 Is outdoor PMV normal 1 Connector connection 2 Wiring 3 Coil 4 Valve body 5 Outdoor I F P C board YES NO x Connectors CN300 301 White Repair outdoor PMV Are characteristics of Pd sen
91. Change of air flow Check code display Start Stop Mode change Temperature setting Change of air flow Timer function On or off timer operation setting in 30 minutes increments Automatic Off function Control by 2 remote controllers is available Two wireless remote controllers can operate one indoor unit The indoor unit can be separately operated from a different location Check code display TCB AX21U W E2 for 4 way air discharge cassette RBC AX22CE2 for under ceiling TCB AX21 E2 for other units except for the concealed duct high static pressure Central remote controller ON OFF controller Model name TCB SC642TLE2 TCB CC163TLE2 Connected to outdoor unit or indoor unit Outdoor unit ZON GROUP SE See UNIT No d EST Oly EN XIX i DL TATI IO BEFUB 6 8 DU GROUP Central remote controller Sales a C CD Central remote controller Indoor remote controller Connected to outdoor unit or indoor unit Outdoor unit ON OFF controller Indoor unit ALL ONT ALLOFF O TOSHIBA ON OFF CONTROLLER controller Indoor remote controller 15 Individual control up to 64 indoor units Individual control for max 64 indoor units divided into 4 zones Up to 16 indoor units for each zone Up to 16 outdoor units are connect able Four selectable central control settings to restric
92. Dirty state of filter 0000 Standard 0000 Standard 0001 High degree of dirt Half of standard time 03 Central control 0001 No 1 unit to 0064 No 64 unit 0099 Unfixed address 0099 Unfixed Specific indoor unit 0000 No priority 0001 Priority 0000 No priority priority Heating temp shift 0000 No shift 0001 1 C 0002 2 C 0002 2 C to 0010 10 C Floor type 0000 0 C Up to 6 recommended Existence of AUTO 0000 Provided 0001 Not provided mode 0001 Not provided Automatic selection from connected outdoor unit OE Follows operation 0000 Does not follow 0000 Not provided mode of the header 0001 Follows unit OF Cooling only 0000 Heat pump 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 10 Type 0000 1 way air discharge cassette According to model type 0001 4 way air discharge cassette to 0037 Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type 0001 No 1 unit to 0030 No 30 unit 0099 Unfixed Indoor unit address 0001 No 1 unit to 0064 No 64 unit 0099 Unfixed Group address 0000 Individual 0001 Header unit of group 0099 Unfixed 0002 Follower unit of group 9 Louver type 0000 Not provided 0001 Swing only According to type Adjustment of air 0004 4 way Air Discharge Cassette type and Under Ceiling type direction E Temp difference of 0000 0 deg to 0010 10 deg 0003 3 deg AUTO mode For setup temperature r
93. ERATION Maintain room temperature at comfortable level Clean air filters The clogged air filter impairs the performance of the air conditioner d SE a BO Gee chilly Never open doors and windows more than what is necessary Control To keep the cool or warm air in the room never open doors and windows more than what is necessary Window curtains In cooling close the curtains to avoid direct sunlight In heating close the curtains to keep the heat in Ensure uniform circulation of room air Adjust the air flow direction so that the air is evenly circulated throughout the room Blows upward si Air flow adjustment Cool and dry air Blows downward 3 13 Air Conditioner Operations and Performance Check before operation Check whether earth wire is disconnected or out of place Check that air filter is installed to the indoor unit WARNING Turn on the power supply 12 hours or more before starting the air conditioner Heating capacity for Heat pump model only During heating operation the heat pump system operates by absorbing the heat from the outside air and discharging it into the room Therefore if the outside temperature drops the units heating capacity will decrease When temperature of the outside air is low it is recommended that you use other forms of heating in conjunction with the air conditioner Defrost operation during heating operation for Heat pump mod
94. F P C board TL sensor PMV Pulse Motor valve TS sensor Solenoid valve SV5 Liquid tank 4 way valve Solenoid valve SV2 High pressure sensor E de m E I I tee Eh Solenoid valve SV4 tray OT LIT d re I Ak H F j HENT dd KIVVKMU TD sensor fee High pressure switch Compressor Compressor case heater TO sensor Accumulator Accumulator heater TE sensor 38 DE 3 6 Name of Each Part 3 6 1 Outdoor Unit Air outlet Discharge Hot air is discharged when cooling operation is performed Cold air is discharged when heating operation is performed Air inlet They are provided at front rear left and right sides LZ SS NE SZ L B Power source hole e Refrigerant pipe connecting hole Connecting valve is included inside here Fixing leg 3 6 2 Indoor Unit 4 way Air Discharge Cassette Type MMU AP0091H AP0121H AP0151H APO181H AP0241H MMU AP0271H AP0301H AP0361H AP0481H AP0561H Air outlet Air outlet louver 2 way discharge 3 way discharge Select air blow direction in cooling or 2 way discharge or 3 way discharge can be heating operation each selected according to the shape or arrangement of the room For details consult with the dealer which you have purchased the air conditioner Air filter Removes dust and trash Air filter is provided in the air grille Earth screw It is incl
95. F when the unit is not being used 3 8 Correct Usage When you use the air conditioner for the first time or when you change the SET DATA value follow the proce dure shown below F or consequent uses the display on the remote controller can be turned on by pushing the OS button only Preparation Turn on the main power supply and or the leakage breaker e When the power supply is turned on a partition line is shown on the display part of the remote controller Note When the power supply is turned on the remote controller will not accept any operational inputs until approximately 1 minute has passed This is not a failure of the unit REQUIREMENT DON OFF a e While using the air conditioner only operate it with the button Do not turn it off with the main power switch or the leakage breaker Do not turn off the leakage breaker while the air conditioner is in use Turn on the leakage breaker 12 hours or more before the air conditioner is to begin operation or if the system has not been in use for long periods of time DON OFF SWING FIX FILTER RESET TEST UNIT DON OFF C 1 Push the C button Ss The operation lamp goes on and the operation will start i DRY coo FAN A 2 Select an operation mode with the button One push of the button and the display Jc O ste se changes in the order shown on the right DRY mode function is not provided on the eed ne ES y FAN a
96. Heating Test Operation Check The cooling heating test operation check can be performed on both remote controller and outdoor interface P C board 1 Test operation start stop operation Test operation from remote controller Wired remote controller 1 When pushing C5 button for 4 seconds or more TEST is displayed in the display section and the mode enters the test operation mode 2 Push AA button 3 Using button select an operation mode either COOL or HEAT Do not use any other operation modes only COOL or HEAT e Temperature adjustment is unavailable during test operation Errors are detected as usual 4 When the test operation has finished push 22 button to stop the operation The same display as that in procedure 1 appears 5 Push button to clear the test operation mode TEST display disappears and the status returns to the normal stop status 92 1 Remove the screw which fixes the name plate to the receiver part on the wireless remote controller Remove the nameplate of the receiver section by inserting a minus screwdriver into the notch at the bottom of the plate and set the Dip switch to TEST RUN ON 2 Execute a test operation wit button on the wireless remote controller D and amp LED flash during test operation Under status of TEST RUN ON the temperature adjustment from the wireless remote controller is not available Ensure that this is not u
97. I F P C board Approx 3 minutes Approx 1 minute Pd SW01 02 03 1 1 2 3 GE A Power ON SET DATA is displayed SET DATA LED D02 1Hz flashes Reboot on main remote controller disappears for approx 10 seconds Reset on indoor unit P C board Check outdoor I F P C board Defect Replace Repetition Chekcode Chekcode Check code name Cause of operation Check code Check code name Cause of operation F31 1C Outdoor EEPROM error 1 Outdoor unit power error Voltage noise etc TCC L AI NET 2 Outdoor I F P C board error F23 43 Ps sensor error Output voltage error of Ps sensor TCC L AI NET Geesen Connector CN500 White i TES Is there any trouble of Check power voltage and line 9 Correct power line ipie brio ooi ud Check external noise etc Lett NO Are output voltage characteristics NO of Ps sensor normal Sensor error YES Check I F P C board 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 Check compressor Is not refrigerant by passed from discharge to suction of 4 way valve Check 4 way valve Y Is there no leakage from SV4 valve YES Replace SV4 valve vel Check code Check code name
98. In case to decide an address of the indoor unit prior to finish of indoor wiring work and unpracticed outdoor 7 Push simultaneously 5 5 buttons for 4 seconds or more LCD changes to flashing Line address 2 Using the setup temp Cy A buttons set JC to the item code 3 Using the timer time y buttons set up the line address Match it with the line address on the interface P C board of the outdoor unit in the identical refrigerant line 4 Push C button OK when display goes on Indoor address 5 Using the setup temp y A buttons set 7 to the item code 6 Using the timer time y buttons set up the indoor address 7 Push C button OK when display goes on Group address 8 Using the setup temp w5 a buttons set to the item code 9 Using the timer time y buttons set Individual ZZZ Z Header unit ZZZ Follower unit ZZ 10 Push button OK when display goes on 1 1 Push G button Setup operation finished Status returns to normal stop status Relay connector Connect short Connect short Connect short y after address setup after address setup after address setup SET DATA INY Indoor side Automatic setup ur n DU D Item code Indoor unit address 1 2 1 2 1 Group address 0 0 1 2 0 Refrigerant line address 2 5 8 Data y wy 3 6 9 SWINGIFIX 1 1 T T OO Never connect a relay connector until
99. MAP0601HT2DZ MCY MAP0401HT2DZG MCY MAP0501HT2DZG MCY MAP0601HT2DZG x1 Rated conditions Cooling Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Heating Indoor air temperature 20 C DB Outdoor air temperature 7 C DB 6 C WB Eee em mames cm en Allocation standard of model name MCY M AP OOO OHT 2D OO Z Anti corrosion light protection type ZG Anti corrosion heavy protection type No mark Power supply specification 1W 220 230 240V 50Hz 2D Power supply specification 10 220V 60Hz T Inverter unit H Heat pump Development number Capacity rank HP x 10 M Individual unit Multi Compact type 10 1 1 2 Indoor Units Capacity Capacity Cooling Heating MMU AP0121H 012 type 3 6 4 5 MMU AP0181H 018 type 5 6 MMU AP0241H 024 type 8 0 MMU APO271H_ 027type 300 80 90 MMU APOSDIH 080type 320 90 100 MMU AP0361H 036 type 4 00 11 2 12 5 MMU AP0071MH 007 type 0 80 2 5 Available MMU AP0091 MH 1 00 Available 7 1 2 2 5 6 2 2 MMU AP0151H 015 type 4 way Air Discharge Cassette Type Compact 4 way Air Discharge 600 x 600 Type 015 type 1 70 Available MMU AP0181MH 018 type 200 56 63 Available 2 5 MMU AP0071WH 007 type 0 80 MMU AP0091WH 009 type 1 00 2 8 3 2 MMU AP0121WH 012 type 1 25 4 0 3 6 2 way Air Discharge MMU APO151WH Ot5type 170 a a 25 A AS y y
100. MV built in the indoor unit made full open Is the connection cable between PMV Kit and indoor unit connected certainly PMV built in the indoor unit is made full open Connection Is the PMV of PMV Kit normal YES Is connection or coil normal YES NO Is check valve of main discharge pipe normal YES Repair check valve Replace Are there any obstructions in the operation of the indoor heat exchanger 1 Air filter clogging 2 Heat exchanger clogging 3 Air short circuit Eliminate the interfered causes NO Is 4 way valve normal YES Replace 4 way valve Is there clogging of the valve YES NO Repair faulty parts Are connector connection NO heat exchanger fan and fan motor normal Repair faulty parts NO YES Are characteristics of TC2 and TCJ sensor resistance value normal Replace TC2 or TCJ sensor Check indoor P C board Failure Replace Replace PMV body NO Are indoor units of different refrigerant circuit connected Check andcorrect the cabling Check with miscabling check function of outdoor unit Refrigerant overcharge clogging pipe breakage abnormal overload condition Or Check code Check code name Cause of operation Check code Check code name Cause of operation P07 1C Heat sink overheat error Power voltage error P12 11 Indoor fan motor error 1 Cabling error of fan motor connector TCC L
101. N Fan ON Humidifier output ON Humidifier provided Drain pump ON is set up by CN7O Output short circuit or from remote controller DN 40 Fan output CN32 DC12V Shipment setup ON with indoor unit operation and OFF with stop are linked Output Single operation by FAN button on remote controller is set up from remote controller DN 31 CN61 ON OFF input HA ON OFF input J01 YES NO Pulse At shipment Static input select prohibited by input ON during operation Answerback of HA s 6 ON during alarm output Option output CN60 DC12V COM Defrost output ON when outdoor unit is defrosted G 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 5 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 Generate check code L30 for 1 minute continuously to stop forcedly the operation 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 i i Exhibition mode enables to communicate by indoor unit and remote controller only When power has been turned on Timer short Usual EXCT demand i Indoor unit forced thermostat OFF operation 163 11 2 Ou
102. ON Procedure 2 Jj Programming the EEPROM data Procedure 3 Y Power supply reset All the indoor units connected to the remote controller are reset in case of group operation control 183 Method 2 Before exchange it is impossible to read out the setup contents due to EEPROM error Exchange of PC board for service amp power ON Procedure 2 Y Writing in of the setup data such as the model name capacity code indoor unit address high ceiling setup connection setup of option etc to EEPROM based upon customer s information Procedure 3 Y 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 amp 5 buttons simultaneously for 4 seconds or more 1 Corresponds to number of the operation diagram of the remote controller In a group operation control the firstly displayed unit No indicates the header indoor unit No In this case is displayed in the item code DN The fan of the selected indoor unit operates and also starts swinging in a model with flap 2 Every pushing 613 the indoor unit Nos in the group control are displayed successively 2 Corresponds to number of the operation diagram of the remote controller Specify the indoor unit No to be exchanged he fan of the selec
103. PDU I F P C 112 Check code Wireless remote controller Wired Outdoor 7 segment display remote controller Lg O AAA A SR 01 TS condition 102 TD condition d Fan motor lock 01 Comp 1 side 02 Comp 2 side 01 Comp 1 side 02 Comp 2 side Central control device indication ALNET central Check code name Detecting device Sensor block display of receiving unit Indoor fan motor error Outdoor liquid back detection error onnl H enu dH enu High pressure protective operation Outdoor fan IPDU error G TR short protection error Comp position detective circuit system error IPDU Do e AI NET communication system error Teran MNT OT Sensor block display of receiving unit Check code name Detecting device Sending error in TCC LINK central control Receiving error in TCC LINK central control poe foi 0 Differs according to error contents of unit with occurrence of alarm AR L20 is displayed Batch alarm of general purpose equipment General purpose equipment control interface UF Group control branching unit error TCC LINK Duplicated central control addresses 113 New check code 1 Difference between the TCC LINK and Al NET check code The displaying method of the check code changes in this model and onwards weree code TOC Link Used characters Hexadecimal notation 2 digits Alphabet Decimal notation 2 digits Characteristics of code Fe
104. SV4 circuits Are service valves of gas pipe and liquid pipe of outdoor unit fully opened YES Is indoor unit connected to different refrigerant systems Correct cabling Check with miswiring check function of outdoor unit YES YES YES YES NO Are outdoor PMV normal 1 Connector connection 2 Wiring 3 Coil 4 Valve body 5 I F P C board In cooling season go to A in heating season go to B A Cooling NO Connector CN300 White Repair outdoor PMV YES Does indoor fan operate NO Start operation normally in cooling season YES O Are following items normal 1 Connection 2 Condenser 3 Motor 4 Fan Z O Repair faulty parts YES YES Cleanin Is there clogging of indoor Check indoor P C board g air filter or heat exchanger Fall te gt Replace Are SV4 S Valve circuits normal 1 Incorrect installation and connection of SV4 2 Leakage from SV4 circuit NO SV4 valve Connector CN311 Blue Correct SV4 NO YES Refri t short Gehais 2 2 rigerant shortage or valve circuits Is the PMV Kit used Is indoor PMV normal clogging or pipe deformed NO Is the PMV built in the indoor unit YES made full open PMV built in the indoor unit is made full open Does not refrigerant YES bypass from discharge to suction through 4 way valve Is the connection cable Check 4 way valve between PMV Kit and indoor unit connected certa
105. T TEST SET CL UNIT amp CO COCO C VENT TOSHIBA DORS FH E mi A A OS A 9539 6 40 88 v 1 way Air Discharge Cassette Type MMU AP0071YH to AP0121YH Earth screw It is included in the electric parts box Air outlet Air outlet louver Select air blow direction incooling or heating operation each Air inlet grille i Air filter Air in the room is sucked from here Removes dust and trash Air filter is provided in the air inlet grille MMU AP0152SH AP0182SH AP0242SH Air outlet Air outlet louver Change the direction of the air to be discharged according to cool heat mode Button Button to open close suction port Air filter Removes dust or trash Provided on the suction port Suction port Sucks air inside of the room from here Earth screw It is included in the electric parts box Air filter Removes dust or trash Provided on the suction port Concealed Duct Standard Type Earth screw Earth screws are provided in the electric parts box Air outlet flange Discharge duct is connected Air filter Removes dust and trash Air filter is provided in the air inlet grille Air in the room is sucked from here Concealed Duct High Static Pressure Type Air inlet Suction duct is connected Air outlet Discharge duct is conn
106. T 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 Check code Check code name Cause of operation F15 18 Outdoor temp sensor miscabling 1 Misinstallation and misconnection of TE1 TCC L AI NET TE1 TL sensor and TL sensor Resistance characteristics error of TE1 sensor and TL sensor Outdoor P C board I F error Are installed positions of NO Correct installed positions of TE1 sensor and TL sensor correct TE1 sensor and TL sensor Outdoor I F P C board YES TE1 sensor CN505 Green TL sensor CN521 White Are connection of TE1 sensor connector NO and TL sensor connector normal Correct connection YES Are resistance characteristics of rr nnection TL sensor and TE1 sensor normal Correct connectio Es O YES Outdoor unit temperature sensor characteristics See TE1 sensor Characteristics 5 See TL sensor Characteristics 3 Check outdoor I F P C board Defect gt Replace TE1 sensor Outdoor heat exchanger temp sensor TL sensor Temp sensor between liquid tanks of outdoor P M V 1 2 L ce Check code Check code name Cause of operation Checkcode Checkcode Check code name Cause of operation F16 43 Outdoor pressure sensor miscabling 1 High pressure Pd sensor and low F24 43 Pd sensor error Output voltage error of Pd sensor TCC L AI NET Pd Ps pre
107. TO S H I BA FILE NO A05 015 Ist revised Jun 2006 2nd revised Sep 2006 SERVICE MANUAL MINESIMIVMIS HFC Mini SUPER MODULAR MULTI SYSTEM AIR CONDITIONER Outdoor Unit Inverter Unit MCY MAP0401HT HTZ HTZG MC Y MAPO0501HT HTZ HTZG MC Y MAPO0601HT HTZ HTZG MC Y MAP0401HT2D HT2DZ HT2DZG MC Y MAP0501HT2D HT2DZ HT2DZG MC Y MAP0601HT2D HT2DZ HT2DZG PMV Kit HBM PMVO0361E HBM PMV0901E In addition to description for the normal type model descriptions about the models with anti corrosion based on JRA Standard light protection and heavy protection models are added in this Manual WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant R410A which is used in the air conditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffocation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual contro
108. UTION repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions Refer to the Parts disassembly diagram Outdoor unit If removing the label during parts replace stick it as the original Turn OFF the breaker before removing the front panel and cabinet otherwise an electric shock is caused by high voltage resulted in a death or injury During operation a high voltage with 400V or higher of circuit at secondary circuit of the high voltage transformer is applied If touching a high voltage with the naked hands or body an electric shock is caused even if using an electric insulator For details refer to the electric wiring diagram Turn off breaker When removing the fro
109. Unit 14 2 1 Printed Circuit Board P C Board Replace Procedure Manual This service P C board is made as a common part for various model In order to make proper operation it is necessary to cut jumpers and to change Dip switches Some electrical parts charged to high valtage for a while after turn off AC mains Before servising turn off the AC mains and wait for discharging electrical parts at least 5 minutes 1 Please cut jumper S according to the table below Model name NA Intial setting of this Service P C board ouv 1 Ol O MCY MAP0401HT MCY MAP0401HTZ MCY MAP0401HTZG MCY MAP0401HT2D MCY MAP0401HT2DZ MCY MAP0401HT2DZG MCY MAP0401HT2K MCY MAP0501HT MCY MAP0501HTZ MCY MAP0501HTZG MCY MAP0501HT2D MCY MAP0501HT2DZ MCY MAP0501HT2DZG MCY MAP0501HT2K MCY MAP0601HT MCY MAP0601HTZ MCY MAP0601HTZG MCY MAP0601HT2D MCY MAP0601HT2DZ MCY MAP0601HT2DZG MCY MAP0601HT2K Leave connecting X Cut connection 2 Please set the Dip switches Completely same as the P C board originally equipped General function of Dip Switches SwithNo General function Demand Power peak cut control setting High humidity setting Cooling Heating Priority setting etc SW13 A Pree 8Wi4 4 E A Terminator resistor setting MCC 1429 J09 10 11 SW11 SW13 SW14 jQ amp 8 9 EE TI SW07 SWO08 188 15 EXPLODED VIEWS AND PARTS LIST 15 1 Outdoor Unit MCY MAP0401 HT HTZ HTZG
110. YES O Correct power line Clear check code Did a block out occur N Is the network YES address changed by the main remote controller N O YES Is there any noise etc Eliminate noise etc NO Can other indoor units be controlled from Al NET central remote controller or is the operation status of indoor unit the same Unavailable Others are same Check central controller Failure gt Replace YES Can the indoor unit be controlled from the main remote controller NO NO Check indoor P C board Failure gt Replace Does the network adaptor P C board LED D01 turn on Check power transformer of the network adaptor P C board MCC 1401 YES YES Failure Replace 1st revised Jun 2006 10 6 7 Segment Display Function B 7 segment display on the outdoor unit Interface P C board On the interface control P C board a 7 segment LED is provided to check the operating status The displayed contents are changed by combining the setup numbers of the rotary switches SW01 SW02 and SWO03 on the I F P C board Interface PC board 7 segment segment display A display B CIA L JL IN USR NGI 81818 2nd 1st 3rd 2nd 1st HS place place place place place H CN30 CN31 SW0O5 SW15 JUDE JC AL 4 D601 nes 0603 D60 own sv swo2 swos Di SWO3 Check procedure when the system has stopped due to an trouble Wh
111. actor and change Screw 4 x 10 4 pcs Ah CAUTION Lead wires of reactor are passing through square hole of cover so when changing take care to keep without damage to wires by sharp edge parts lt Assembling gt Assembling by contrary procedure of above 7 1 Requirement When changing arrange as follows Marking Fes Ah CAUTION When connecting reactor lead wires be forming like right side photo ao side out lead marking Reactor cover Insert mde cover like this figure P Do 174 Pert name Procedure ee How to remove electric parts box Ah CAUTION Continued Do not mistake wiring of a reactor 5 Reactor If wiring is mistaken electric parts will break Continued Correct Heactor Lead wire with wire mark Wire with wire mark is Nonpolar LA and LB This case is wrong Noise filter Noise filter Correct resistance 450 or more Wrong resistance less than 100 connects to LA or LB next to wire without mark Tester Tester lt Assembling gt Assembling by contrary procedure of above 7 gt 1 Requirement When changing arrange as follows 6 Wiring proccessing Ah CAUTION Wiring of the compressor lead and high pressure switch should not bundle other wiring together Compressor lead Other wiring and high GR EN 1 cn BI o qm Maa 77 Comppthermo peu Comp case header E Ac
112. after turn off the power supply 2 Remove screws of right side photo and screws of power terminal block INV side Screw O4 x 6 2 pcs terminal block screw 3 Open I F PC board on the slant Screw O4 x 8 2 pcs and supporter 4 Open I F PC board on the slant Screw O4 x 8 2 pcs and supporter 5 Remove reactor terminal block Screw O4 x 16 2 pcs bundle band 6 Remove middle plate Screw 4 x 6 4 pcs 7 Remove each parts e Remove Noise filter Supporters and earth screw e Remove electrolytic capacitor Screw for fixing band e Remove transformer Screw O4 x 10 2 pcs connector lt Assembling gt Assembling by contrary procedure of above 7 gt 1 Ah CAUTION After changing Noise filter fix power wires by clamp Fix power wires by clamp 173 3 Part name Procedure o a How to remove lt Disassembling gt electric parts box 1 Stop the unit operation and turn off the Continued power supply to the unit 5 Reactor A WARNING Never open the cabinet while five minutes after turn off the power supply 2 Remove front and upper cabinet Screw 4 x 10 9 pcs 3 Open I F PC board on the slant Screw O4 x 8 2 pcs and Supporter 4 Remove the reactor wires Screw of terminal block Wire clamp and Bundle band 5 Remove reactor assembly Screw 4 x 10 5 pcs Ah CAUTION Take care Too much heavy 6 Remove reactor cover Screw O4 x 10 6 pcs 7 Remove re
113. ailable Wired remote 0001 Unavailable Operation prohibited controller 62 Anti ceiling 0000 Clear 4 way Air Discharge smudging control Cassette type only 64 TYPE Item code 10 Indoor unit capacity Item code 11 Setup data Wey o ww 0008 mm ws wo ww we ww wr wn m ws o me SCHEER 65 7 1 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 Ina 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 Remote controller prohibition clear input Operation signal output ELT COM Operation signal output HB Error sig
114. allation is stable If check is not executed a fire an electric shock or an injury is caused N CAUTION 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 When the power was turned on start to work after the equipment has been sufficiently cooled As temperature of the compressor pipes and others became high due to cooling heating operation a burn may be caused e New Refrigerant R410A 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 refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with new refrigerant during installation work or service work If an incorrect work or incorrect service is per formed 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 t
115. ame Cause of operation Check code Check code name Cause of operation HO4 44 Compressor 1 case thermo operation TCC L AI NET Service valve close Ps sensor error SV2 SV4 circuit error Miscabling of communication between indoor and outdoor Indoor outdoor fan and condenser error Indoor outdoor PMV clogging Indoor outdoor heat exchanger clogging Refrigerant shortage Are service valves of gas and NO liquid pipe of outdoor unit fully opened Open service valves fully NO Case thermo circuit error HO6 20 Low pressure VF PC board error TCC L AI NET protective operation Service valve closed Outdoor PMV clogging SV4 valve leak Coil misinstallation 4 way valve error Compressor error Refrigerant shortage o ooc0 rxonm o Joo bk WD ls case thermo circuit normal 1 Connector connection 2 Wiring NO D D D Repair case thermo circuit 3 I F P C board Note 1 Note 1 Are characteristics of low pressure sensor normal Exchange low pressure sensor 1 Case thermo is usually closed 1 Pressure by pressure gauge Check joint YES 2 Operation temperature of case thermo is 120 C 2 Pressure display on 7 segment display 3 Output voltage of I F P C board If 1 and 2 3 are different an error of pressure sensor error is considered If 2 and 3 are different check I F P C board MS Open service valves fully Are SV2 and SV4 circuits normal NO Correct SV2 and
116. an be selected by setting SWO07 on the interface P C board of the outdoor unit Standard function Outdoor unit Local supply I F P C board Display ee SWO07 relay O BE Power Bit 2 OFF OP 1 1 Supply Q e 1 4 i L L L L L L i i L Tu i 1 i i i i i d i Connection SS pla ee i pir a ED i l to s SW2 A In case of pulse signal I i i 1 sw Be sure to prepare the point of dee 1 contact for each terminal 1 1 Swi lt gt 007 The time of the pulse signal is N PN loos more than 100 m sec po oOo o swo Do not switch on both SW1 and Fog p de dp x SW2 terminal simultaneously ee WE wes A Y wmm E 4 Shield wire lt SW07 Bit 2 OFF d 100 Normal 100 Normal 100 Normal 100 Normal A CAUTION Be sure to prepare non voltage point for each terminal Display relay capacity of OPERATION Below AC240V 0 5A COSf 100 When connecting load such as relay coil to L1 load insert the noise surge absorber Below DC24V 1A Non inductive load When connecting load such as relay coil to L1 load insert the bypass circuit 73 Expansion function Outdoor unit Local supply nn See ees See a u Ee See Sees ee er a I F PC board 1 I U ERR U i SWO07 BEER Power Bit 2 ON me vied supply m maa E Display lamp surging power peak cut control Pa
117. and remote controller Check indoor power supply Check indoor P C board error Check remote controller address setup When two remote controllers operate e 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 Check outdoor end terminal resistance setup SW30 2 4 E06 E06 No of indoor I F 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 e Check connection of communication line between indoor and outdoor received signal unit which has been used to Check connector connection for communication in ind
118. arted other Setup the address again after disconnecting start error refrigerant circuit system was setting automatic address communication connection with other refrigerant circuit E12 01 Indoor outdoor communication 02 Between outdoors e When outdoor automatic address started indoor system communication E16 E16 00 Capacity over 01 to No of connected units E19 No header unit Two or more header units E20 automatic address was executed EN UF No corresponding All stop Indoor unit is not found when indoor automatic address Check the communication line connection between indoor unit during start was set up indoor and outdoor automatic address Check the electric power line error in indoor Check the noise of surrounding devices Power failure Check indoor PC board error MN No of connected All stop Total capacity of indoor units exceeded 135 of total Check the connection capacity of indoor unit indoor units Capacity outdoor capacity Check the HP capacity of indoor unit over No of connected indoor units are more than 48 units Check the indoor outdoor capacity setup Note Check the No of connected indoor units If this code appears set up No capacity over detection Check the outdoor I F P C board error Setup method of No capacity over detection Turn on SWO9 Bit 2 on I F P C board of outdoor unit 97 99 Indoor Communication error Corresponding Regular communication between indoo
119. artsname i E ceca BLK BLACK Indoor temp sensor GE Ge TC1 TC2 TCJ Network adaptor A E Pulse motor valve Option BRW BROWN Wired remote Adaptor for MCC 1401 GRN GREEN RY303 Louver control rela controller wireless remote controller I POIN d L jJeM UBIH 8 1 2 HLitZOdV HI8LOdV HLSLOdY HLZLOdY HE600dV HEZ00d V MININ 9c Color identification BRW BROWN Pul NO RED RED ulse motor z e Ce valve S 1 Oindicates the terminal block letter at inside BLU BLUE 090 indicates the terminal number E BLK ZS 2 A dotted line and broken line indicate the PNK PINK F EE wiring at site GRN eel CREENA S A dell 3 indicates the control P C board CN22 RISA ISI SIMIO SISIAI81201 1X2 CNS0 CN82 CN210 CN33 CN44 CN40 i n BLU WHI WHI BRW BLU SE 19 Heat exchanger F301 Fuse 00 A RED 00 T3 19 250V CN41 ar d N 4 I T I 3 e 00 E gt 99 Power pc 12 0 N 100 ere MEN o5 CN67 BRW 5 5 s SS CN81 BLK WU DC 7V ees od S CN101 DI 1 veo LT UA VS T 04 gt Eu ca CN103 AT TF JE T S cg gt O S co gt Oj oc m GRN o z cN102 r oet ew Heat d excnanger E iz T MCC 1510 YEL oo Smd sensor EY Y N N N v We We We We N D M M Er KG MI uU Dr Dr u Or o 00 ON een PEJE Control P C board for indoor unit 7 s YAS y SASANZ I rab EE 141019184 7 GIE IER CN104 Ter kW ermo WK TI HERE frared rays receive SE DI DE CNBO wu
120. at the third party a child etc does not approach the equipment Connect the cut off lead wires 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 When repairing the refrigerating cycle take the following measures 1 Be attentive to fire around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables For more details please refer Page 7 to Page 9 This air conditioner adopts a new HFC type refrigerant R410A which does not deplete the ozone layer 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 ref
121. ating 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 1 When the air conditioner stops in the HEAT mode drive the indoor fan with LOW mode for approx 30 seconds 1 When the louver signal has been received from the remote controller the louver operates if the indoor fan is operating 2 In 4 way Air Discharge Cassette type the discharge louver automatically directs downward if the operation stops 3 In 4 way Air Discharge Cassette type the discharge louver directs upward if the heating operation is being prepared 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 57 Mel Wem o Outline of specifications Remarks QY and E display Operation and heating stand by 16 Selection of central control mode lt Operation standby gt Display on remote controller e O goes on 1 P0O5 is one of displays of power wire missing P05 of power cable is detected COOL DRY operation ca
122. ation 3 15 When The Following Symptoms Air Found Check the points described below before contacting your local service repair center Outdoor unit e White misty cold air or F an of the outdoor unit stops automatically and performs defrost water is blown out operation e Sometimes the noise Solenoid valve works when defrost operation starts or finishes Pushu is heard Indoor unit Swish sound is sometimes heard e When the unit is in operation a sound such as the movement of water from one area to another may be heard This sound may become larger after a period of 2 to 3 minutes once the unit has begun operation This is not a cause for concern but is the move ment of the refrigerant or the draining sound of the dehumidifier A stopping indoor unit e When the air conditioner system is operating the stopping indoor in the same operating unit in the same system needs temporary flow of refrigerant to air conditioner system prevent the stay of oil or refrigerant emitted sound white Therefore refrigerant flow sound shaa cyu may be heard or white vapor or cool air vapor may come out when other indoor unit heating or cool air may come out when other indoor unit cooling Slight Pishi sound is This sound is generated when the heat exchanger etc expands heard and contracts slightly due to the change of temperature Discharge air smells V arious odurs such as those from a carpet clothes cigarett
123. ation correction amount B A Normal time r During release control r1 no No of connected units no Refrigerant oil recovery operation A During sending of cooling refrigerant oil recovery signal C1 Normal time B During sending of heating refrigerant oil recovery signal H1 Normal time H Automatic address A B Ad Demand operation Automatic addressing FF Normal time dU Normal time In 50 to 90 50 to 90 gt CODERE B 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 Priority on cooling Heating only Cooling only External master ON OFF control x oko os Start input ER IL E ae Night operation Sound reduction Normal Operation input Snow fan operation Normal Option control BUS line input Same as above C1 O mark Indicates none on display 147 2 Data display of outdoor unit information SWO1 Swo2 Display contents 1 1 1 Error data Displays outdoor unit number U1 to U4 Displays check code Latest code only is displayed There is no check code There is sub code Check code for 3 seconds sub code for 1 second alternately lt SW04 gt push function Fan of unit with error only drives 7 segme
124. bleshooting 3 Check that L08 is displayed on 7 segment display B on the interface P C board of the outdoor unit LO8 Indoor address unset up If the address setup operation has already finished in service time etc the above check code is not dis played and only U1 is displayed on 7 segment display A 9 4 2 Address Setup and Check Procedure Interface P C board A a Automatic address Setup from SW15 on the interface P C board of the outdoor unit Manual address Setup from the wired remote controller For details refer to section 9 4 3 Address setup procedure m mam Indoor unit power ON Turn on power of indoor unit in refrigerant line to which address is set up Outdoor unit power ON Turn on power of all the outdoor units in refrigerant line to which address is set up 3 7 segment display Check that L08 is displayed on 7 segment display B on the interface P C board of the check outdoor unit in the system to which address is set up Confirm the corresponding items in 8 4 3 Address setup procedure and then set up address according to the operation procedure Be sure that the setup operation may differ in group control or central control Note Address cannot be set up if switches are not operated Address setup start Display check after After address setup U1 are displayed in 7 segment display section setup If an error code is displayed in 7 segment display B remove the caus
125. ce SV4 valve Check mispiping of discharge gas suction gas main pipe Check operation error of check valve of discharge gas pipe Check clogging of circuit at auxiliary heat exchanger side Miswiring Disconnection Wiring missing Check circuit of SV5 valve Check refrigerant overcharge Check power supply voltage Check fan IPDU error Check fan motor Lock phase missing Check cause of abnormal overload at start time e Check connection of connector to fan motor Check connector connection and wiring on IPDU PC board Check compressor error and defect of compressor coil Check outdoor P C board IPDU error Check connector connection and wiring Check compressor error and defect of compressor coil Check PC board IPDU error e Check indoor P C board Cha Error detected by TCC LINK central control device Check code Error detection Outdoor 7 segment display AI NET Detected position Check code name central control device Check code Auxiliary code remote controller TCC LINK TCC LINK central control Operation Signal is not transmit from Check central control device error device transmission error continued central control device e Check communication line error of central control device Check setup of terminator resistor TCC LINK central control Operation Signal is not received from Check central control device error device receiving error co
126. ck code Check code name Cause of operation Refer to Address clear L06 96 Duplicated indoor units with priority Two or more indoor units with priority 9 L Turn on the power of outdoor unit again TCC L Al NET Displayed on the indoor unit other than are duplicated one with priority and on the outdoor unit Re execute address setup Refer to Address setup Auxiliary code No of indoor units with priority When indoor unit with priority is duplicated this fault 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 Note This code is displayed when the power is turned on at the first time after installation Because the address is not yet set up Check code Check code name Cause of operation L09 46 Indoor capacity unset Indoor capacity unset TCC L AI NET Are capacity setups of indoor units unset NO Set up capacity data of indoor unit Setup item code DN 11 Check indoor P C board Defect gt Replace ZEL Check code Check code name Cause of operation Check code Check code name Cause of operation L10 88 Outdoor capacity unset The model selection jumper of the outdoor I F L20 98 Duplicated central Central control addresses are duplicated TCC L AI NET P C board does not match the model TCC L AI NET control addresses YES Correct the network add
127. connecting connector setup on the previous PC board should be reflected on P C board for service See the below figures MCC 1402 JP CN41 MCC 1403 JPO001 CNO41 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 previous 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 following items 1 Single Individual operation Turn on power of the indoor units and proceed to Procedure 3 2 Group operation A In case that power of the exchanged indoor unit only can be turned on Turn on power of the exchanged indoor unit only and proceed to Procedure 3 B In case that power of the indoor units cannot be turned on individually Case 1 a Remove temporarily the group wire connected to the terminal blocks A and B of the exchanged indoor unit b After connecting the remote controller wire only to the removed terminal block turn on power of the indoor units and proceed to Procedure 3 When the above methods cannot be used follow to the two cases below C In case that power of the indoor units cannot be turned on individually Case 2 a Remove all CN41 connectors of the indoor units in the same group except those of the exchanged indoor unit b Turn on power of the indoor units and proceed to Procedure 3 After Procedur
128. control To the address setup procedure 2 However go to the procedure 1 when the central control is performed in a single refrigerant line Example In case of central control in a single refrigerant line In case of central control over refrigerant lines Address setup procedure To procedure 1 To procedure 2 Cable systematic diagram Central remote controller Indoor Indoor Indoor B Indoor Remote Remote Remote controller controller controller Outdoor unit interface P C board D600 D601 D602 D603 D604 SW01 SW02 SWO3 AN AN VANS D 0 0 Central remote controller controller Address setup procedure 1 1 Turn on power of indoor outdoor units In order of indoor gt Outdoor 2 After approx 1 minute check that U 1 L08 U 1 flash is displayed in 7 segment display section on the interface P C board of the outdoor unit 3 Push SW15 to start the setup of the automatic addressing Max 10 minutes for 1 line Usually approx 5 minutes 4 When the count Auto 1 gt Auto 2 gt Auto 3 is displayed in 7 segment display section and it changes from U 1 U 1 flash to U 1 U 1 light the setup finished When performing an automatic address setup ona single refrigerant line with central control connect Indoor Remote controller s nor Remote controller relay connected between U1 U2 and U3 U4 terminals For internal For wiring of wiring be
129. controller LCD display interface P C board 7 segment display Using this self diagnostic function the trouble can be identified using the table below NOTE The AI NET adapter cannot be mounted to both a slim duct MMD APXXXXSPH type and a compact 4 way MMU APXXXXMH type of the indoor unit Check code list The following list shows all fault codes e If check code is from indoor remote controller See Main remote controller display in the list e f check code is from outdoor unit See Outdoor 7 segment display in the list e f check code is from AI NET central control remote controller See AI NET central control display in the list e If check code is from indoor unit with wireless remote controller See Sensor 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 e Sensor block display Wired Outdoor 7 segment display remote AI NET central of receiving unit Check code name Detecting device controller control display Operation Timer Ready display i Auxiliary code i Flash O Communication error between indoor and remote Rem ntroller controller Detected at remote controller side emote controle Remote controller transmission error Remote controller Comm
130. cu header A FM down 175 Na Part nome Procedure EN IN 4 F SE CAUTION Wear protective clothing on your hands as other components may cause injury Ss etc FN N Y lt Disassembling gt Sat 1 Stop unit operation and turn off power Supply to unit 2 Remove front cabinet iY SN Screw 4 x 10 3 pcs SST SS Note Slide to downward for unhook the NS hooking tab N SS 3 Remove screws of fan guard SEZ ESE Screw 4 x 10 each 2 pcs CAL ug d 4 Put tape to end of flat blade driver for AA s protect coating surface Put tape for c protect coating 1 me A 5 Unhook hooking tab of fan guard by using EAS flat blade driver Hooking tab 5 points y j E s 6 Remove screw of propeller fan Screw is reverse revolution 7 Remove propeller fan EI Note Pull out to front straightly Do not pull out forcibly became fasten 8 Remove fan motor lead wires from connec y p tors of fan IPDU P C board and remove Jy A wires from inside frat i 9 Remove fixing screws of fan motor SARA Screw O4 x 16 each 4 pcs Ke ef wi Note Remove screws with keeping fan E motor by hand for prevent dropping lt Assembling gt A Assembling by contrary procedure of above 9 gt 1 d 176 e Part neme Procedure E 5 Compressor A CAUTION mg P Wear protective clothing on your hands as Wd ol aE d other components may cause injury etc i HH A lt Disassembling gt Aer m
131. d on the remote controller of the indoor unit to be operated Check that H is displayed on the 7 segment display B on the interface P C board of the outdoor unit NOTE The test operation returns to normal operation after 60 minutes 98 3 Batch start stop ON OFF function This function is provided to start stop collectively all the indoor units connected to the same system by using switches on the interface P C board of the outdoor unit Operation procedure PowerON kan Be sure to turn on power at the indoor side before power ON of outdoor unit If an error is already displayed under condition of SWO01 1 SWO2 1 SWO3 1 resolve the problem using the troubleshooting guide and then execute the test operation If the operation is set heat indoor unit which is set to Set up the operation mode of the remote controller s E Li If it is not set up the operation continues in the current mode cool priotny wi EE O Sr DE EE FAN COOL HEAT If the operation is set to cool indoor unit which is set to heat priority will not operate 7 or will be displayed Set on the interface P C board of the outdoor unit SWO 1 to 2 Sw02 to 7 and SWOS3 to 1 respectively CH is displayed on 7 segment display A Push SWOA on the interface P C board of the outdoor unit for 2 seconds or more The indoor unit to be started operates Push the push switch SWO5 on the interface P C board of the outdoor u
132. e 1 Stop unit operation and turn off power supply F C m to unit W e 1 A WARNING S di Never open the cabinet while five minutes Wu BL c i after turn off the power supply H Wu A T Y i Li tig 2 Remove front cabinet piping panel Front E n x I and Rear Screw 4 x 10 9 pcs VM d m 3 Recover refrigerant A A M 4 Remove pipings power supply wires and NE E FE wires to indoor unit UU dine 5 Remove soundproof mat Total 4 pcs i c 8 HE y 6 Remove terminal cover of compressor and 4 CT pm UE Weg remove comp lead wires and comp thermo 7 Remove comp case heater and TD sensor at ES NE discharge pipe u 8 Remove comp nuts three points Te i AJ L Note After remove small plate as right side W h LE figure remove rear side comp nut W 3 4 A ratchet wrench is required in order to w remove comp nut V A i a 9 Take off discharge pipe and suction pipe by re welding qb d A CAUTION E Je Be aware that if oil is present when brazing Pa a fire could occur 10 Remove Compressor 11 Measurement of the quantity of oil in the defective compressor Place the defective compressor on a scale and use the weight to calculate the oil quantity Oil amount in the defective compressor A cc Removed compressor mass kg 22 2 x 1042 Specific gravity of oil 1042 cc kg Note When compressor holds no oil mass is 22 2 kg 177 Revised Ju
133. e or cosmetics will adhere to the air conditioner dy indication is lit 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 either COOL or HEAT but a request or demand contrary to the setup operation is requested When the fan operation is stopped to prevent the discharge of hot air When power of the air Sound is generated when the expansion valve operates when the conditioner is turned power supply has been turned on on Ticktock sound is heard Operates or stops automatically e Is the timer ON or OF P Does not operate Is there a power failure to the unit Has the power supply been turned off Has the power fuse or breaker blown Has the protective device operated The operation lamp goes on s the timer ON The operation lamp goes on Are COOL and HEAT selected simultaneously KO indication is lit on the display column of the remote controller It is not a failure e Is the suction port or discharge port of the outdoor unit obstructed Are there any doors or windows open Is the air filter clogged with dust Is the discharge louver of the indoor unit set at appropriate posi tion Check again Is the air selection set to LOW or MED and is the operation mode set to F AN Is the setup temp the appropriate temperature Are COOL
134. e 3 operation has finished be sure to return the temporarily removed group wire or CN41 connector to the original connection Indoor unit Indoor unit Indoor unit Service P C board of P C board P C board the unit to be changed Case 1 S Remove the group wire of the d d terminal blocks A and B of the Group wire Remote changed indoor unit and then controller install the remote controller only Indoor unit Indoor unit Indoor unit Service P C board of P C board the unit to be changed Case 2 Remove CN41 connectors of the indoor units other than the units to be changed in the same group Remote controller Group wire 185 Procedure 3 Writing in of setup contents to EEPROM The EEPROM contents which are installed on the service PC board have been set up at shipment from the factory 1 Push 6 G buttons simultaneously for 4 seconds or more Corresponds to number of the operation diagram of the remote controller L I is displayed in the UNIT No box In this time Z is displayed in the item code DN The fan of the indoor unit operates and also starts swinging in a model with flap 2 Using temperature setup Cw Ca buttons the item code DN can be moved one step up 1 or down one by one 3 Corresponds to number of the operation diagram of the remote controller 3 First set up the type and capacity code of the indoor unit The data at shipment from the factor
135. e controller is not normally turned on Therefore check the following items Check power supply of indoor unit Check wiring between indoor unit and remote controller Check whether there is cutoff of cable around the indoor control P C board or not and check connection failure of connectors Check failure of transformer for the indoor microcomputer SWO1 SW02 SWO03 e Check indoor control P C board failure Rotary switches vs 9 4 3 Address Setup Procedure In this air conditioner it is required to set up address to the indoor unit before starting opera tion Set up the address according to the following setup procedure CAUTION Set up address after wiring work It requires maximum 10 minutes Usually approx 5 minutes to set up automatically an address to 1 line To set up an address automatically the setup at outdoor side is necessary Address setup cannot be performed by power ON only To set up an address it is unnecessary to operate the air conditioner Manual address setup is also available besides automatic setup Automatic address Setup from SW15 on the interface P C board of the outdoor unit Manual address Setup from the wired remote controller It is temporarily necessary to set the indoor unit and wired to 1 1 In group operation and in time without remote controller Automatic Address Setup Without central control To the address setup procedure 1 With central
136. e 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 JI v Jto select Item code 01 to 04 GROUP 5 To confirm the alarm in the other group push and a _ to select the group number Do not push button because all the alarm histories of the currently selected group are deleted 6 To finish the service check push button Unit No display Alarm display UNIT No i N J 0 m n P l l Alternate flashing display l ye R C No 116 In case of Al NET central remote controller 1 Operation for CHECK display When pushing the CHECK switch the indoor unit No Network address No including the check data is displayed in the UNIT No display section and the check code is displayed in the set up temp display section CHECK switch Push for 0 5 seconds to display CHECK code MONITOR ZONE DD ON CENTER AUX TYPE OI STANDBY Ser CD UNIT EVE OFF LOCKED TIMER No DI FILTER 1234567 8 910111213141516 MODB FAN ux and M fous Ge HEAT LOW s AUTO FIX V MONITOR SET ALUZONE ZONE UNIT ON e e FTEMPJFLTER RESET CHECK ZONESETENTER SELECT OFF TMER mA 4x LOUVER 0000090 Push for 3 seconds to reset indoor microprocessor While indoor microprocessor is locked by ALL STOP alarm Push for 10 seconds to clear check data RESET switch Push the switch in the hole with pin The remote control
137. e of trouble referring to 9 Troubleshooting Using 7 segment display function check the system information of the scheduled system This check is executed on the interface P C board of the outdoor unit SW01 SW02 SWO03 Rotary switch setup 7 segment display System information Swot swo2 swo3 A B check after setup System capacity No of HP HP No of connected outdoor unit Connected No of units P No of connected indoor units 1 4 Connected No of units After the above checks return rotary switches SW01 SWO02 SWOS to 1 1 1 Check on indoor unit 1 Display check on remote controller In case of wired remote controller Check that a frame as shown in the following left figure is displayed on LC display section of the remote controller EY NO GOOD GOOD DON OFF B TEMP DON OFF o 7 segment Push switch Push switch Co CD CED Coo CHD CBD Interface P C boar SE E SCH SEH Push switch FILTER DD aaa caD FILTER DD Cr D z E T INT T SW 5 RESET TEST SET CL UNIT RESET TEST SET CL UNIT F OLORO CD lOO Z eo 7 t A segmen display B Normal status Abnormal status play B Power and operation stop Power is not normally turned on If a frame is not displayed as shown in the above right figure the power of the remot
138. e table below ON OFF output pattern of each solenoid valve is as below NOTE 1 Be aware that there is a 5 second delay in the operation of the selected solenoid valve after SW02 has been set NOTE 2 The mark O in the table indicates the selected solenoid valve is forced on NOTE 3 The mark in the table indicates the selected solenoid mode will depend on the specifications of the air conditioner NOTE 4 The mark X in the table indicates the selected solenoid valve has been turned off NOTE 5 The case heater relay output operates both compressor and accumulator heaters kb kb display lt i pattern of solenoid valve Compressor and DO A la o o m LOW don dom E A E a o yo po yo o __ Clear Return settings on SW01 SW02 and SWO3 to 1 1 1 on the Interface P C board NOTE Ensure this function is cleared to return the air conditioner to normal operation 105 9 7 7 Fan Operation Check in Outdoor Unit This function is provided to check the fan operation on the interface P C board in the outdoor unit The frequency of the fan speed can be controlled Therefore utilize this function to check the operation or abnormal sound in the fan system NOTE Do not use this function during operation of the compressor It may damage the compressor Operation 1 Set the switch on the interface P C board of the outdoor unit SWO1 to 2 SWO 2 to 1 SWOS to 4 2 When F d is displayed in 7 segment
139. e than the specified amount Check outdoor PC board IPDU error system error H04 H04 Compressor 1 All stop Compressor 1 case thermostat performed Check compressor 1 case thermo circuit case thermo protective operation Connector cable PC board operation Check full opening of service valve Gas and liquid side Check outdoor PMV clogging Check SV4 circuit leakage Check miscabling misinstallation of SV4 Check valve open status of indoor PMV Check 4 way valve error Check refrigerant shortage Check SV5 leak 1 All stop only in case of the header unit The follower unit continues operation ech 2 di Gs o D 900 Unf ecl Wired remote controller HO6 L03 L04 LO5 LO6 LO7 LO8 LOS L10 L20 L28 Check code Outdoor 7 segment display AI NET on Check code name Error detection condition Check item position central control Check code Auxiliary code remote controller 20 Low pressure protective operation All stop Low pressure Ps detected Check full opening of service valve operation lower than 0 02MPa Discharge gas and liquid side Check outdoor PMV clogging Check SV2 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 In heating mode Check refrigerant shortage Check 4
140. e turn on the power of the indoor unit prior to the power of the outdoor unit Set the display select switches on the interface P C board of 7 segment display the outdoor unit as follows A SW01 gt 2 A1 SWO02 gt 4 Operation SWO03 gt 1 Push the push switch SW04 on the interface P C board of the 7 segment display outdoor unit for 2 seconds or more A A A1 FF e display of the connected remote controller flashes Push the push switch SW05 on the interface P C board of the l Check the connected remote controller outdoor unit for 2 seconds or more End Other end conditions 1 10 minutes passed for sending operation 2 SW01 SW02 or SWO3 changed to other position 103 9 7 4 Pulse Motor Valve PMV Forced Open Close Function in Indoor Unit This function is provided to fully open or close forcibly the PMV for 2 minutes in all indoor units using the switch operation on the interface P C board of the outdoor unit This function is also used to open the PMV fully when turning off the power and executing an operation for example vacuuming Operation Open fully Set the switch SWO1 on the interface P C board of the outdoor unit to 2 SWO 2 to 3 SWO03 to 1 and push SW04 for 2 seconds or more Display shown on 7 segment display for 2 minutes as follows P FF Close fully Set the switch on the interface P C board of the outdoor unit SWO1 to 2 SWO 2 to 3
141. e value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short During operation of compressor in HEAT mode the TE1 detection temp was higher than that of TL by the specified value continued for 3 minutes or more High pressure Pd sensor and low pressure Ps sensor were exchanged or output voltages of both sensors are zero Check item position Check connection cabling of TCJ sensor connector e Check characteristics of TCJ sensor resistance value e Check indoor PC board error Check connection cabling of TC2 sensor connector Check characteristics of TC2 sensor resistance value e Check indoor PC board error Check connection cabling of TC1 sensor connector e Check characteristics of TC1 sensor resistance value e Check indoor PC board error e Check connection of TD1 sensor connector e Check characteristics of TD1 sensor resistance value Check outdoor P C board I F error e Check connection of TE1 sensor connector e Check characteristics of TE1 sensor resistance value Check outdoor PC board I F error e Check connection of TL sensor connector Check characteristics of TL sensor resistance value Check outdoor PC board I F error
142. eases in the unit of 0 5 hr 30 minutes The minimum set time is 0 5 hr 3 Push the SET button display disappears and timer time display goes on When the ON timer is activated the chosen time period will be displayed Once the time has been reached all displays except the ON light will disappear Cancel of timer operation 4 Push the CL button TIMER display will disappear NOTICE When the unit stops after the timer reached the preset time the Repeat OF F timer will resume the operation However by pushing the button the repeat function will stop once the time on the timer has again reached its set time NON OFF 9r 3 12 Maintenance Cleaning of air filter When F ILTER is displayed on the remote controller it is time to check and if necessary clean the filter A WARNING e Clogging of air filter decreases the cooling heating effect 3 11 Installation Installation location e Select a location for installation that will be able to safely support the weight of the unit If the installation location is not strong enough to support the unit and the unit falls injury could result ANSET DATA TEST a SA UA A mw DLP JN JU Ja RU hy FILTER display Notifies the time to clean the air filter A CAUTION e Do not install the unit in a location where combustible gases could conceivably leak Leaking gases that accumulate in the vicinity of the unit could be ignited by the u
143. eating operation move the louver with your hands so that the horizontal air outlet points in a downward direction towards the floor Adjustment of air flow direction rightwards leftwards In case of using unsymmetrical air directions Lift up the vertical louver lightly and direct it towards the desired direction Once completed lower the louver back down In this case do not use the Swing function In case of automatic swing In this case do not use the swing function JL AS 1 Push the button during operation SWING _ is displayed and the air direc tion will automatically change rightwards TEMP ON OFF leftwards In cases where one remote controller controls multiple indoor units it is possible to set each indoor unit individually so that the air flow C3 direction can be altered SWING FIX 2 Push the button again while the Ne vertical louver is moving will allow you to stop the louver in the desired position 3 Swing button gt To set up the air flow direction individually push the az button to display each indoor 1 2 3 unit No in a group control Then set up the air flow direction to the desired indoor unit e If there is no display all the indoor units can be operated collectively No display Unit No 1 1 Unit No 1 2 Every push of the gt button will change the display as shown in the figure Unit No 1 4 amp Unit No 1 3 INFORMATION
144. eck that the pipework and indoor units have been vacuumed and the correct amount of additional gas has been charged Are valves of all the outdoor units fully opened Gas side Liquid side outdoor unit A E e Check the additional amount of refrigerant Check list 2 Calculate the additional amount of refrigerant from the following Additional Additional refrigerant charge Real length amount per liquid pipe 1m by outdoor HP of liquid pipe Table 1 Table 2 Compensation refrigerant charge R kg amount at site Firstly enter the total length for each liquid pipe in the following table and then calculate the additional amount of refrigerant by pipe length Table 1 Additional amount of refrigerant by pipe length Pipe diaat Standard amount of refrigerant m Additional amount of refrigerant pipe liquid side Tota pipe tendin afach quid side dia at each liquid side kg g Additional amount of refrigerant by pipe k length A Next refer to the following table for the corrective amount of refrigerant B by system capacity Table 2 Compensation by outdoor HP Outdoor unit capacity type Compensation by outdoor HP kg Finally add the additional amount of refrigerant by pipe length A to the corrective amount of refrigerant by system capacity B This is the final additional amount of refrigerant If the result is indicated as a negative do not add any refrigerant Do not add the refrigerant 0kg
145. econd or more The mode changes to the TO sensor value fix manual mode 3 As shown in the following table TO sensor value can be fixed by setting the rotary switch SWO02 on the interface P C board SWO02 SW03 7 segment display B SW02 SWO03 7 segment display B 15 C 20 C 25 C 30 C 35 C 40 C 43 C NOTE Emergent operation should be restricted to one day or so on If operating TO sensor fixed with this function the system control operation of the air conditioner may not become one based upon the specification of the product Therefore an emergent operation should be restricted to a day or so on Clear Return numbers of SW01 SWO02 and SWO03 on the interface P C board in the outdoor unit to 1 1 1 each Service support function list L4 H1 Relig cet asco communicate Ine creck tureton eair operator BENENLTLICITIOR NN y Arce ce scams Ce r ctra O oooO EENEEL IMEMNEMENEENNNNMMNMN Indoor collective start stop ON OFF function Error clear function Solenoid valve forced open close function 1 to 16 F d Fan forced operation function Outside temp sensor manual adjustment function 0 1 to 1 6 Indoor No 1 to 9 unit Indoor individual start stop ON OFF function 107 9 7 9 Indoor Fan Operation Check Function This function is provided to check operation of single indoor unit without using communication with the remote controller or outdoor unit This function can be used regardless op
146. ected Earth screw ig Earth screws are provided in the electric parts box Drain pan Slim Duct Type Air inlet Suction duct is connected Earth screw It is included in the electric parts box SEN SK e ESOS SS ci Air filter So SSSR LN Air outlet Air filter is not provided to NM i some models in the series pee duct is Weekly timer RBC EXW21E2 A 2 Be De E o o o o E o A T Ben E o O N LL E N t e O 9 m O E en 09 wenn e nn eon de Dao DU PROP I SELECT ZONE J a gt 5 AST CCS panem e se C s II OV Under Ceiling Type Button Button to open close the suction port Air inlet port The air in the room is sucked in from this port Earth screw Earth screws are provided in the electric parts box Air filter Removes dust or trash Provided on the suction port Air outlet Air outlet louver Change the direction of the air to be discharged according to cool heat mode High Wall Type MMK AP0071H to AP0241H Air inlet grille Air in the room is sucked from here Earth screw Earth screws are provided in the electric parts box Air filter Removes dust and trash Air f
147. ection error of communica tion for indoor P C board Connector connection error of communica tion for outdoor I F P C board Power supply of indoor unit Is power turned on Auxiliary code No of indoor units which received signals normally Is there no mis wiring disconnection on communication line betweenindoor and outdoor NO Is connection of CNAO connector on indoor P C board normal Is connection of CNO1 connector on outdoor I F P C board normal YES Is power of indoor turned on YES Did a power failure occur YES Is there no noise etc NO Check indoor P C board Defect Replace YES NO NO NO Correct communication line Correct wiring of the connector Turn on power of indoor unit YES Clear the fault code Check noise etc and eliminate it if any NOTE 1 When signal is not sent for a certain period from the indoor unit which has been sending signals normally E06 is displayed Check code Check code name Cause of operation E07 TCC L AI NET NO Correct communication line YES Correct power cable YES Eliminate noise Indoor Outdoor communication circuit erro Detected at outdoor side Is setup of terminal resistance of outdoor unit normal YES Is interconnection cable U1 U2 between indoor and outdoor short circuited NO Is connection of interconnection cable between ind
148. ed In this case 0 or is displayed on the remote controller Match the rotary switch on the interface P C board of the outdoor unit with in the following table 7 segment display A B Address display of 00 is displayed for corresponding indoor unit 5 seconds after operation ON Push the push switch SW04 on the interface A 7 segment display B P C board for 2 seconds or more pushing this switch continuously for 10 seconds A A Start or more the operation changes to the individual Address display of 11 is displayed for ar test operation corresponding indoor unit 5 seconds after operation ON For individual test operation FF is displayed I The indoor unit to be started operates Push the push switch SWO5 on the interface EHE one nds EE P C board of the outdoor unit for 2 seconds or more Address 1 A Address 16 i A Address 17 se Address display of 00 is displayed for to individually ao corresponding indoor unit 5 seconds after operation ON D 1 to 16 2 Address 32 Address 33 1 to 16 3 to individually Address 48 After test operation return the display select switches SW01 SWO02 and SWO03 on the interface P C board of the outdoor unit to 1 1 1 respectively Address 49 to individually Address 64 16 16 16 6 7 NOTE The individual test operation returns to the normal operation after 60 minutes 100
149. ed fully CN32 Check for assembly line in factory Opened Normal Short Check mode The outdoor unit connected with indoor outdoor communication line becomes automatically the master unit No manual setting is necessary 167 12 REPLACING COMPRESSOR 12 1 Compressor Replacing Procedure Outline Ah WARNING Never recover the refrigerant into outdoor unit Be sure to use a refrigerant recovery device for refrigerant recovery for reinstallation or repair work Recovery into the outdoor unit is unavailable otherwise a serious accident such as rupture or ingury could occur RUM NOTE Full opening operation of PMV by CN30 short circuiting rwill return to fully closed Recover refrigerant from outdoor unit after 2 minutes have passed using a suitable device To continue full opening status turn off power to the outdoor unit within 2 minutes Turn off power to the troubled outdoor unit Remove the troubled compressor Measure oil amount in the troubled compressor Adjust oil amount based upon the measured oil amount This flowchart is the standard for replacing compressors Each case must be considered on individual circumstances Replace the compressors based on the following conditions of judgement Check for leakage in the malfunctioning outdoor unit 1 Oil of 1900 cc is charged in a compressor for service 2 he amount of oil is 1900 cc in an outdoor unit at shipment WI 3 When a compressor is removed it us
150. ed out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump Level vial Use vacuum pump by Screwdriver attaching vacuum pump adapter Spanner or Monkey wrench EE Hole core drill Pipe cutter Hexagon wrench Opposite side 4mm REAME Tape measure Pipe bender Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester Megger 2 Thermometer 4 Electroscope Volt meter 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 of the outdoor unit Set the refrigerant cylinder on the electronic balance connect the charge hose to connecting ports of the cylinder and the gauge manifold and then charge the liquid refrigerant from the service port at liquid side
151. ed 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 limit even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off 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 the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not caught in the product 3 There is no inclination or unsteadiness and the inst
152. el only e If the outdoor unit has a build up of frost during the heating operation the operation mode changes automati cally to defrost mode to increase the heating effect for approximately 2 to 10 minutes During defrost operation fans of the indoor and the outdoor units will stop Protection for 3 minutes The outdoor unit will not operate for approximately 3 minutes after the air conditioner has been immediately restarted after being stop or the power supply has been turned on This is to protect the system Main power failure If a power failure occurs during operation all operations stop When restarting the unit push the ON OF F button again Fan rotation of stopped unit When other indoor units within the same system are in operation the fan on the indoor units that are on stand by will rotate to protect the machine once approximately 1 hour for several minutes Protective device High pressure switch The high pressure switch operates the unit automatically when excessive load is applied to the air conditioner If the protective device operates the operation lamp will stay but the operation will stop When the protective device operates check characters A on the remote controller display The protective device may operate in the following cases In Cooling operation When suction or discharge port of the outdoor unit is closed When strong winds blow continuously against the discharge port of the
153. em of the 1 1 air conditioner DI SDI are connected gt Are 1 1 model connection interface TCB PCINTLE2 adaptors correctly connected gt When the digital inverter air conditioner operates with group operation twin operation are the adopters connected to the header unit of the indoor unit Note The above figure does not show all the electric cables For details refer to the installation manuals for outdoor unit indoor unit remote controller or optional devices c8 Check list 1 Using the Check list 1 check there is no trouble in the installation work Outdoor total capacity IA Indoor unit __ JA Outdoor unit A mm Indoorunit mm Indoor outdoor connection terminals U1 U2 Central control system connection terminals U3 U4 Is capacity of the leak breaker appropriate Is the diameter of the power cable correctly wired Is the control communication line correctly wired Is the power of the indoor units supplied collectively Is the earth grounded 1 MQ or more Is the insulation good 10MQ or more l Is the main power voltage correct 10 Is the diameter of the connecting pipe correct Is the branch kit correct Does the indoor unit condensate drain adequately Is the thermal insulation of pipes good Connecting pipes Branch kit For both indoor and outdoor units ensure air is not short circuited from discharge to inlet ports After pressure test ch
154. emote controller Weekly timer TOSHIBA DORS BA TEST COOC E H H F Os A p UN LI 8505 E DR ER Appearance a e E L I I EN TIMER SET FAN CR CBD a TIME SWING FIX um OCO C Ce RESET TEST SET CL UNIT O COCO JC Heceiver section mounted separately Appearance 4 way Air Discharge Under Ceiling type 1 way Air Discharge Cassette Cassette type type MMU AP tstk2SH Series ZONE 1 J PAI ESIL AJ DC BI All 8 ZN CH SES CO ll FOR os DM ZU o wwa DU Appearance GRO lt ZONE EI SC 3 segs Ca I A meL Cs Cv TOSHIBA ON OFF CONTROLLER LLOFF j TOB SC642TLE2 TCB CC163TLE2 64 system center controller oom 17 8l JOPOW 000009 N ASASA ASA 5 OA Y415 AL S ASAISAs ASA 00009 SN KAN ANY LS le vs NI 1 2 3 4 5 DO AN _ A A OA AA ADM Y HUT J00pu Le INVdHOVIG ONIHIM hit ds Y NY EXE Le We We LN N82 1 2X3 4X5 CN33 3X X1 CN34 G X2X3X4X5 WHI aro ie CN1044 1X1 O YEL 2X d MD y TA H CNt02 LU O RED T2Y 2 ewo Ge ovo TOS a Indoor control P C board BLK 2X2
155. emote controller address connector Is the terminator resistor NO Correct the terminator resistor setup NO setup of outdoor unit normal SW30 2 YES Check remote controller P C board Defect Replace NO Is address setup correct Set up address again YES Check connection of interconnection cable NO between indoor and outdoor is correct and then connect communication line connector on indoor P C board CN40 to CN44 EMG Is power applied to fuse F03 on indoor P C board Check code Check code name Cause of operation E02 Remote controller sending error Signal could not be sent to indoor unit TCC L AI NET Check the communication wire of the remote controller Check noise etc and eliminate it if any m 2 d D Q It is not displayed on 7 segment display of the central control controller Is communication wiring between NO remote controller and indoor unit correct YES Sending circuit error of the remote controller gt Replace remote controller Is there no noise etc NO Check indoor P C board Defect gt Replace Correct the communication wiring For details refer to Troubleshooting in test operation 900 lt UI 8cl Check code Check code name Cause of operation E06 04 Decreased number of indoor units 1 Communication lines U1 U2 connection TCC L AI NET error between indoor and outdoor Connector conn
156. emote controller is not connected with wire Miscabling of remote controller Remote controller communication circuit error If 230V is incorrectly applied to the remote controller terminal the remote controller communication circuit fails Using the main remote controller connected to a group start a test operation specify the unit which does not operate Unit unconnected to group Hemove Fasten receptacle connected to remote controller terminals A B and check the voltage If voltage is not applied replace P C board 15 to18V in normal time 90 1st revised Jun 2006 Incorrect wiring example Fig 1 Remote Outdoor unit controller status 7 segment display Incorrect example No response E19 00 Outdoor unit U3 U4 Fig 2 Number of connected outdoor units is short Outdoor unit Outdoor unit U1 U2 U1 U2 Indoorunit 91 9 6 Test Operation Check 9 6 1 Fan Operation Check START Push START STOP button l When an error code has been displayed on the remote Select the operation mode FAN controller refer to Section 8 5 1 Is air discharged from the NO Check indoor fan fan motor and fan circuit discharge port of the indoor unit Ensure power has been isolated before removing any covers YES Is there any abnormal noise NO Check for items in contact with fan Ensure power has been isolated before removing any covers YES Check all indoor units in turn 9 6 2 Cooling
157. en if two compressors operate the frequency difference may set as a measures against resonance The temperature of indoor heat exchanger TC indicates TCJ sensor temperature in cooling time and TC2 sensor temperature in heating time respectively 2 Criteria for operating pressure General criteria is as follows High pressure 2 0 to 3 2MPa Indoor 18 to 32 C All cooling operaton When all the units operate in cooling mode Low pressure 0 5 to 0 9MPa Outdoor 25 to 35 C High pressure 2 5 to 3 3MPa Indoor 15 to 25 C All heating operation When all the units operate in heating mode Low pressure 0 5 to 0 7MPa Outdoor 5 to 10 C Using the rotary switch on the outdoor unit I F the operating pressure cycle temperature and compressor rotation count can be checked on the 7 segment display Refer to Outdoor refrigerant circuit system data display and Indoor cycle data display in Section 9 Troubleshooting 96 9 7 Service Support Function 1st revised Jun 2006 9 7 1 Function to Start Stop ON OFF Indoor Unit from Outdoor Unit The following functions enables the start and stop of the indoor units using the switches on the interface P C board mim IH Setup Release 7 segment display 1 Cooling test operation Changes the mode of all the connected indoor units collectively to cooling test operation Note Control operation same as test operation for remote controller Heatin
158. en the system has stopped due to an trouble in the outdoor unit execute the follow ing check procedure 1 Open the panels of the outdoor unit and then check the 7 segment display The check code is shown on the right side of 7 segment display B U1 DOO OOO Check code Rotary switch setup for confirming the check code SW01 1 SW02 1 SW03 1 However the check code DOO is displayed for 3 seconds and the sub code OOO for 1 second are alternately displayed if a sub code is provided 2 Confirm the check code and then follow the check procedure detailed for the diagnosis of the fault Perform the check procedure based on each check code diagnosis How to read the check display 7 segment display VI 70d LED ee MOL D E dg y Lith 0 CLL CLIT A A 0 1 2 3 4 5 6 7 8 9 A b C d E F H J L J vl v5 L0 E a n 401 41090 0110110 11 11 14 LI a c e G h i n o r S t V y u 1 Data display of system information 1 1 3 Refrigerant name Displays refrigerant name A P Model with refrigerant R410A Model with refrigerant R407C B HP Total capacity of indoot units A i x xx XX ji No of connected indoor units A O0 to 10 Oto 10 units CO to C10 O to 10 units No of units with cooling thermo ON No of connected indoor units A O to 10 Oto 10 units No of connected units HO to H10 O to 10 units No of units with heating thermo ON Data is displayed with hexadecimal not
159. erating or stopping of the system However if this function is used for a long time a trouble of the air conditioner may be caused Therefore using of this function should be restricted to several minutes Operation 1 Short circuit CHK pin CN71 on the indoor P C board If short circuiting DISP pin CN72 on the indoor P C board while short circuiting CHK pin CN71 on the indoor P C board the indoor PMV only becomes the minimum opening 30 pulse When opening DISP pin it becomes the maximum opening again Clear Open CHK pin If the system is operating it stops once but automatically restart after several minutes For the details of CHK pin CN71 on indoor P C board and DISP pin CN72 on indoor P C board refer to 11 Control circuit configuration Indoor unit 2 Indoor P C board MCC 1402 and MCC 1403 9 7 10 Indoor Fan Only Operating Mode When operating an air conditioner with indoor units and remote controller only in fan operation etc this function can be used A group operation is also available Operation 1 Short circuit DISP pin CN72 on the indoor P C board However if CHK pin CN71 on the indoor P C board has been previously short circuited this function is unavailable 2 In a group operation set up a group as usual 3 While DISP pin is short circuited all the sensor error judgment operation and communication with the outdoor unit are not performed PMV is fixed to the Max opening Clear
160. error continues after the unit has stopped the check code is immediately displayed when the unit is restarted 114 10 3 Troubleshooting by Check Display on Remote Controller 1 Confirmation and check When a trouble occurs in the air conditioner the CODE Ho check code and the indoor unit No are displayed H on the of the remote controller h Lt The check code is displayed while the air condi E tioner operates If the display has disappeared operate the air mE conditioner and check the error based upon the Check code en EM following Confirmation of error history 2 Confirmation of error history If a trouble occurs in the air conditioner the error history can be found with the following procedure Up to 4 error histories are stored in the 2 memory This history can be confirmed from either operat ing status or stop status DON OFF FAN SWING FIX FILTER RESET TEST UNIT When pushing and 93 buttons simultaneously for 4 seconds or more the below display appears If Service Check is displayed the mode enters the error history mode e 01 Error history order is displayed in code number window ENS Procedure Description SET TEST Check Code is displayed in code number window UNIT No l Indoor unit address with error is displayed in UNIT No gt H S i wl Each successive push of the temp set Cw A buttons the error histories stored in the memory are di
161. eversal of COOL HEAT by Data value 2 Ts 1 5 selection COOL HEAT HEAT COOL 28 Automatic restart of 0000 None 0001 Restart 0000 None power failure 9 Operation condition 0000 Usual 0001 Condition ignored 0000 Usual of humidifier Detection control for heat exchanger temperature Selection of option 0000 Filter input 0001 Alarm input Air washer etc 0002 None error input CN70 0002 None HA terminal CN61 0000 Usual 0001 Leaving ON prevention control 0000 Usual select HA terminal Automatic elevating 0000 Unavailable 0001 Available 0000 Unavailable grille 1 Ventilating fan 0000 Unavailable 0001 Available 0000 Unavailable control TA sensor selection 0000 Body TA sensor 0001 Remote controller sensor 0000 Body TA sensor Temperature unit 0000 C at factory shipment 0000 C select 0001 F Drain pump control 0000 None 0001 Pump ON 0003 Pump OFF 0002 None 0003 Pump OFF High ceiling selection Air volume selection Indoor unit type om ee pue Urano que Super long High efficiency Compact 4 way Air AI et High ceiling High ceiling 1 way Air Discharge een Oe High ceiling High ceiling Cassette MMU A Paros High ceiling 3 Concealed Duct External static rem External static oO no eo m gt O 0 CO N NO SH xl AIO O n2 4 0000 Standard 0 5d 4 way Air Discharge Cassette 60 Timer set 0000 Available Operable 0000 Av
162. f P C board etc follow to the methods below Method 1 Set up an address individually from a wired remote controller Line address Indoor address Group address Central address For the setup method refer to the above Manual address setup from remote controller Method 2 Set up an address from the outdoor unit Leave the address of the unit of which address has been already set up as is Set up an address only to the unit of which address is undefined The addresses are allocated from the low number Setup procedure Arrange the outdoor units in the refrigerant line to which indoor units are added Figure below 1 Remove the relay connector between U1U2 and U3U4 2 Turn on SW30 2 on the interface PC board at outdoor unit side if it is OFF Turn off the power and then execute the operation Central control device Outdoor unit i Outdoor unit Outdoor unit AY orm Remote Remote Remote Remote controller eontrollery controller i controller Added indoor unit 3 Turn on the indoor outdoor power of which address is to be set up After approx 1 minute check that U 1 is displayed on 7 segment display 4 Execute the following operation on the interface P C board of the outdoor unit SWO01 SW02 SWO03 SWO04 2 14 2 After checking that in Ae is displayed on 7 segment display and then push SW04 for 5 seconds or more AUTO1 gt AUTO2 gt AUTOS gt AUTO
163. fan operating or timer Is the system initially communicating Heating operation cannot be performed under the condition that the outside temperature is 21 C or higher Cooling operation cannot be performed under the condition that the outside temperature is 5 C or lower Indoor fan does not work Is cold draft prevention control operating at heating mode 3 Outdoor fan does not rotate or Is itin low ambient cooling control fan speed changes Is a defrost operation being performed Indoor fan does not stop Is the fan operating to remove residual heat after heating operation 5 Start stop operation on remote Is an auxiliary unit or remote controller being operated controller is unavailable ET None Are the wire connections on the indoor units and remote controllers correct 2 Troubleshooting procedure When a fault has occurred follow the procedure detailed below Check the check display Ch Ge eck position or part in Trouble on the interface P C board When arable BOUT ed of the outdoor unit NOTE A malfunction of the microprocessor may be caused by power supply inconsistencies and external noise If there are any noise sources move remote controller and signal wires away from the noise sources or shield them 110 1st revised Jun 2006 2nd revised Sep 2006 10 2 Check Method If an trouble occurs the error code can be retrieved from the main remote controller central remote
164. g test operation Changes the mode of all the connected indoor units collectively to heating test operation Note Control operation same as test operation for remote controller Starts all the connected indoor units collec tively Note The contents follow the setup of remote controller Batch start Batch stop Stops all the connected indoor units collec tively Starts the specified indoor unit Setup Push SWOA for 2 seconds or more with SW01 2 SW02 5 SWO3 1 Release Return SW01 SW02 SWO3 to 1 Setup Push SW04 for 2 seconds or more with SW01 2 SW02 6 SWO3 1 Release Return SW01 SW02 SWO3 to 1 Setup Push SW04 for 2 seconds or more with SW01 2 SW02 7 SWO3 1 Release Return SW01 SW02 SWO3 to 1 Setup Push SWO5 for 2 seconds or more with SW01 2 SW02 7 SWO3 1 Release Return SW01 SW02 SWOS to 1 Setup Push SWOA for 2 seconds or more set SWO1 16 and set SW02 and SW03 to address No 1 to 64 to be started Release Return SW01 SW02 SWOS to 1 Notes Control operation same as test The other indoor units keep existing status Stops the specified indoor unit Note The other indoor units keep existing status Setup Push SWO5 for 2 seconds or more set SWO01 16 and set SW02 and SWO3 to address No 1 to 64 to be stopped Release Return SW01 SW02 SWOS3 to 1
165. gment display W01 SW02 SW03 Display contents 3 1 16 The latest check code of the outdoor unit 1 UT B segment display A B PEL LN EN C LONE B D600 D601 D602 D603 D604 10 7 Sensor Characteristics 10 7 1 Outdoor Unit B Temperature sensor characteristics Characteristic 3 Outdoor TS1 TS2 TO TL sensors 40 Resistance kQ 0 10 0 10 20 30 40 50 60 70 Temperature C Characteristic 4 200 Outdoor TD1 sensor 10 Resistance kQ Resistance kQ 65 C or higher 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 H Temperature C Characteristic 5 Outdoor TE1 sensor 57 o Resistance kQ 10 C or higher Resistance kQ 10 C or lower I I I I 0 0 30 20 10 10 20 30 40 50 60 70 80 90 100 Temperature C 150 1st revised Jun 2006 B Pressure sensor characteristics e O cable connection table 31 OUR Wi om Whe sv Re 3S Red Output voltage Pressure 0 5 to 3 9 V DC 0 5 to 3 5 V DC 0 to 3 33 MPa 0 to 0 98 MPa Output at high pressure side V Output at low pressure side V 0 3 33 441 5 1 Pressure MPa Pressure MPa 10 7 2 Indoor Unit B Temperature sensor characteristics Characteristic 1 20 Indoor TA sensor 200 Indoor TC1 TC2 TCJ sensors o Characteristic 2 9 15 O 150 15 m O x zo 9 E 22 2 10 ZS 100 10 27 5 T Un z BO
166. h 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 7 Push concurrently G C5 A buttons for 4 seconds or more 2 Using the setup temp CY or CA button specify the item code c7 WWA f 3 Using the timer time or button set to the setup data d Push eo button 5 Push a button The status returns to the usual stop status 3 Wiring Relay procured locally REESEN In the figure the contact indicates a status that the card is taken out Indoor control P C board Power supply 77777777777 Outside contact Card switch box etc Procured locally
167. hat the network adaptor is installed when 2 remote controllers are connected maximum 7 units are connectable 2 The network adaptor is installed to only one unit 3 The weekly timer cannot be connected to the simple wired remote controller ed A Pulipue s 10014 Sd pajes9u0 Duipuels 100 ed L 1euiqe5 Buipue s 10014 ed dunssdaig 91181S YIH nq pajes9uos sa119S 1 ed L onesse 9B1ey9sIg sly em Sd 91195SE oDujeuosiq sry Aem z 4 Nome for concealed duct Floor standing cabinet Floor standing concealed 5 Nome for concealed duct Floor standing cabinet Floor standing concealed Floor standing 6 Nome for 1 way discharge cassette YH type Power supply Outdoor unit 9S Central control X Option Y In case of Al NETWORK remote controller Indoor unit PO O ee 1 A El b B 3 A B B l H2 A Network adaptor Option Wireless remote mM al controller kit Network Indoor control P C board MCC 1402 Z y y Sensor P C board adaptor Remote id Il Remote EEPROM Remote PC board LE Zo SE MCC 1401 circuit communication circui communication Emergent circuit operation circult SW Buzzer lt Function setup SW TCJ sensor sensor CIE 3 Float input None for Concealed Duct AFNET ET CPU communication l 8 3687 I Cul DC5V Power circuit Transformer CPU
168. he outdoor fan 25 C Heating operation speed of the master unit is controlled using the detected stops Pd pressure value 2 Fan control in all heating operation 1 The outdoor fan speed mode is determined by the detected TE sensor value 2 If a TE value gt 25 C has been continuously detected for 5 minutes the operation may stop 3 After start up this control is not available during the specified time after a defrost operation 4 This operation may start and stop repeatedly when the system is undercharged 3 Fan control for mainly cooling part heating operation he maximum fan The outdoor fan speed mode is controlled according to the speed differs depend target of the Pd Discharge pressure ing on the outdoor HP Capacity control 1 The capacity request command received from the indoor Min frequency 26Hz controller determines the inverter frequency control of the outdoor unit Refrigerant Oil 1 During cooling operation this function is executed to recovery control regularly to recover the refrigerant oil from the indoor units and connecting pipe work back to the outdoor unit This function is also performed to prevent stagnated refriger ant accumulating in the outdoor heat exchanger during low ambient cooling 1 Control conditions Control for refrigerant Cooling oil recovery operation is executed approximately oil recovery is per every 3 hours formed approximately 2 Contents of control every 3 ho
169. he pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refriger ant If using gas for charging composition of the refrigerant changes and then characteristics of the air conditioner change 3 Pipe Materials For the refrigerant pipes copper pipe and joints are mainly used It is necessary to select the most appropri ate 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
170. herwise 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 fire is caused at user s side N WARNING Insulator check Ventilation AN Be attentive to electric shock Compulsion Check after rerair Check after reinstallation Put on gloves Cooling check After the work has finished be sure to use an insulation tester set 500V mugger to check the resistance is 2MQ or more between the charge section and the non charge metal section Earth position If the resistance value is low a disaster such as a leak or electric shock is caused at user s side 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 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 When the refrigerant gas leaks find up the leaked position and repair it surely If the leak
171. how all the electric cables For details refer to the installation manuals for outdoor unit indoor unit remote controller or optional devices 2 In case that a central control system is connected Before address setup 55 Central control units Other refrigerant 3 3 system Other refrigerant system Outdoor unit e Over current breaker fuse e Earth leakage breaker T O Power supply I MH Indoor unit 4 A B Remote Earth leakage breaker controller Power supply T a e ES A B A B Main check items Are indoor and outdoor communication lines of the outdoor unit connected to U1 U2 terminals Is the relay connector between U1 U2 terminal and U3 U4 terminal removed Set up at shipment from the factory Before address setup remove the relay connector Is the communication line of the central control system connected to the outdoor unit a U3 U4 terminals of each refrigerant line The communication line of the central control system may be connected to the communi cation lines of the indoor outdoor communication lines Is the terminal resistance SW30 2 on the interface P C board of the outdoor unit turned on Set up at shipment from the factory After address setup turn off SW30 2 of the outdoor unit except the smallest unit after check of trial operation Is the end terminal of the shield cable grounded When the refrigerant line and the central control syst
172. ie S ISP A MCC 1403 a OO ee GRN 42d PNL 907 E REES 9 3X3 T5 0A 250V I A ZA A d ei E CN073 T1 I 1 pol CN070 AU E o Color 1 Y e e e I Power supply cnos1 AR indication circuit BLK 2 RED RED I CNO75 CN061 CN032 CNO60 gt a WERE WHI YEL WHI WHI yo WHI WHITE c l H T am A qe am NI M M M NIA Ne NI Le Ort NI Ne NIA E ra M i ra NI d 2 8 DE TTT TTT YEL YELLOW 1 T2 34 T6 Fan Option BLU BLUE I drive TEL edt BLK BLACK l pa o BENT Network adaptor qase VEL GRY GRAY i I oo Option 7 Lu ds IN IN Lu A be ebe vn dl A e en de S Sub P C board PNK PINK MCC 1520 A Flow selector A ORN ORANGE GE Yes 41516 ono BRW BROWN CRIS14516 WHI GRN GREEN EE Indoor unit S earth screw d J O A ll RW Q connector UUUUUDUUUUUUU ee Parts name NN INS Power supply single phase 220 240V 50Hz 220V 60Hz Symbol Running capacitor Indoor temp sensor 1 indicates the terminal block letter TC1 TC2 TCJ Letter at inside indicates the terminal number RY001 Louver control relay 2 A dotted line and broken line indicate RY002 Drain control relay the wiring at side RY005 007 Fan motor control relay 3 indicates the control P C board Pulse motor valve I POIN ed Buipuels 10014 Lt L HI9S0dV Hi8rOdV HL9E0dV HEZe0dV HireOdV HL8LOdV HESLOdV 31NTN 0 Non Drain pump type SH Type T 6 Lal T9 ZA 1X2
173. ilter is provided in the air inlet grille MMK AP0072H to AP0122H Air inlet grille Air in the room is sucked from here Change the direction of the air to be discharged according to cool heat mode Air outlet Air outlet louver Change the direction of the air to be discharged according to cool heat mode Air filter Removes dust and trash Air filter is provided in the air inlet grille EA sclewerale provided e este parts box Floor Standing Cabinet Type Air outlet Air outlet louver Exchanges the air direction according to cooling or heating time Earth screw It is prepared in the electric parts box Air filter Removes dirt or dust It is included in the suction port Air inlet port Sucks air inside of the room from here Floor Standing Concealed Type Air outlet port Earth screw It is prepared in the electric parts box Air inlet port Sucks air inside of the room from here Air filter Removes dirt or dust It is included in the suction port Front panel Lower side Fixing metal holder Floor Standing Type Horizontal louver Air outlet port 22 e Exchanges the air direction according O Vertical louver The air can be automatically discharged rightward leftward at stated periods to cooling or heating time Air inlet port Sucks air inside of the room from here Air filter Remo
174. in cooling or heating operation the lowest position and then push the Ets The characteristics of air are such that cold air will accumulate in the lower half of the room while hot air will Cr button again AA Urna SWING _ is displayed and the air flow E direction will automatically change either A CAUTION upwards downwards Set the louver horizontally in cooling operation Ge ee m If a cooling operation is performed with a downwards discharge the surface of the discharge port or can be Se and its air flow direction can louver will become wet with dew and water may drip down be adjusted SEN In FAN operation In all modes REQUIREMENT How to stop the louver from swinging If a heating operation is performed with a horizontal discharge unevenness the room temperature may 3 Push the button again while the P not be equal i e there may be a large variance between one side of the room with the other horizontal louver is moving Kee The horizontal louver can be stopped at any operation position desired If you wish to return the EX louver to it original upwards position press the 4 way Air Discharge Cassette Type SUNSEX button again e When the air conditioner is not in operation the dis During the cooling drying operation the charge louver will automatically directs downwards horizontal louver will not stop at its most downwards facing position 9 reduce the risk of water dripping but will instead move to the 3rd posit
175. indicate the wiring at side 2 E indicates the control P C board FAN IREDIBLK JORNIBLUIYEL TVA cnos3 ox DI Tel GI DO cross D 1 9 GC W Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GRN GREEN BLU 1Y 13 4 iY 00909l C j9eogo A 434 CNO33 0009080009090 CSL GRN 0008900000 E Ny P i E J Control P C board for undoor unit MCC 1403 AE OS NE RE kb S O NO m x 9 4 Filter CNO081 BLK Power supply circuit Jl le CNo75 CN061 CN032 CNO60 YEL WHI WHI NAN ALAN ANA NAA NANA NAA A AAA Nd ME VLA a pD D WHI 090000 es1 618 008 LULSASAA A6 41516 Fan Option RRE drive Sub P C board MCC 1520 Symbol Partsnmame FPM Fanmotor RC Running capacitor TR Transformer _ 0 Ta Indoortempsensor JSPOW Ha8Ltzodv H41L8L0dV HEISLOdV HatLerodv HE L600dV HarzoodV TININ ed pojee2uo Hulpuels 10014 OL L C 6c Ge hd ERC EE un OO PAO i y HR ES CT IDO amp r NIA 000000 BRW pod FAN T YEL Se SE dE DO T X3 cNoss KY Y3 cNoso Ke cnos2 LORN DIS RED GAISMAS BLU vy TA CN104 DD pao veu E ee BLK pes CN102 gt RED T2127 Am Ome CN101 00 JS BLK ALLY pen ouo FEY 29 mu DO Control P C board BRW A d 4 Car l SHA O 7 Cem Lem WN FL ve for Indoor unit 3X3 n
176. ing indoor fan is turned on Operation while the air conditioner stops TEST Push 5 amp buttons simultaneously for 4 seconds or more Unit No ALL is displayed The fans of all the indoor units in a group control are turned on 2 Every pushing button the indoor unit numbers in the group control are succes sively displayed The firstly displayed unit No indicates the address of the header unit Only fan of the selected indoor unit is turned on Operation procedure 1 2 3 End N Z ch 3 Push S button to finish the procedure All the indoor units in group control stop To confirm all the unit numbers from an arbitrary wired remote controller lt Procedure gt Operation while the air conditioner stops The indoor unit No and position in the same refrigerant line can be confirmed An outdoor unit is selected the indoor unit numbers in the same refrigerant line are successively displayed and then its indoor unit fan is turned on TEST Push the timer time et buttons simultaneously for 4 seconds or more Firstly the line 1 item code AZ Address Change is displayed Select outdoor unit 2 Using 5 25 buttons select the line Bddiess 3 Using a button determine the selected line address The indoor unit address which is connected to the refrigerant pipe of the selected outdoor unit is dis played and the fan is turned on 4 Every pushing 5
177. inly NO Is the PMV of PMV Kit normal Is connection or coil normal Repair faulty parts YES YES YES Refrigerant shortage or Is there clogging of the valve Replace PMV body clogging or pipe deformed m NO Check indoor I F P C board NO TRUE Failure Replace Is compressor normal Note 2 Compressor error B Heating Mes Note 2 Check the following items mainly i Is outdoor fan operating NO Is de fan SE normal NO T Check outdoor I F P C board 1 Existence of abnormal sound and abnormal vibration during operation or when starting normally in heating season Sr Failure gt Replace O Connection YES Is not refrigerant bypassed from discharge to suction Check piping 3 Current of compressor during operation or starting No rapid current change YES i i l e Fan 2 Abnormal overheat of case during operation or stop Do not touch SC an loose idi Is th logging of s there clogging o outdoor heat exchanger NO Failure Replace YES YES Refrigerant shortage After checkin g there is no slogging or pipe breakage charge refrigerant again amamos clogging pipe breakage clogging or pipe delormied YES Repair faulty parts Is flow selector unit normal Check flow selector unit Repair faulty parts Check code Check code name Cause of operation Check code Check code name Cause of operation L04 96 Duplicated setup of outdoor line address Outdoor line addresses are du
178. ion from the top as shown in the e When the air conditioner is in ready status for heating the discharge louver will be directed upwards Fan Heat Cool Dry The swinging operation will begin after heating ready figure operator BEE status has been cleared Please note the SWING _ ne symbol will still be displayed on the remote controller 4 even when the unit status is ready to begin the heat To set up the air flow direction individually ing operation push the gt button to display each indoor unit No in a group control You can then set the No display Unit No 1 1 Unit No 1 2 air flow direction for the displayed indoor unit e If there is no display all the indoor units can be Unit No 1 4 lt Unit No 1 3 operated collectively F or every push of the button the display will alter between units as shown in the figure In Cooling operation Use the discharge louver with a horizontal set point In Heating operation For Heat pump model only Use the discharge louver with a downwards set point eb Based on the shape or arrangement of the room the cold air and hot air can be discharged in two directions or three directions F or details please contact your local dealer INFORMATION f cooling operation is performed with a downwards discharge dew may form on the surface of the cabinet or the horizontal louver resulting in dripping e f heating operation is performed
179. ipe Liquid side Living space Indoor unit p Refrigerant noise is small Indoor unit Connect PMV Kit between refrigerant pipe of indoor unit Connect control cable of PMV Kit to co P C board of indoor unit then PMV Kit controlled by indoor unit side But before connecting PMV Kit to P C board of indoor unit PMV of indoor unit should be fully opened ntrol IS Binding band M Binding band L Binding band M Binding band M Binding band L Binding band M Refrigerant pipe Gas side Refrigerant pipe Liquid side Heat insulating pipe Refrigerant pipe Liquid side 79 1st revised Jun 2006 8 3 Effect of Connecting PMV Kit without Fully Opening of Indoor Unit PMV Effect of miss installation which PMV of indoor unit was not fully opened 1500 pulse are as follows Following symptom occurred PMV of indoor unit should be fully opened 1 Cooling operation 1 Even though command of PMV is fully open 1500 pulse actual SH is larger than aim SH 2 Even though command of PMV is fully open 1500 pulse cool air does not discharge 3 Ps is abnormally low or outdoor unit stops by Ps protection 2 Heating operation 1 Even though command of PMV is fully open 1500 pulse actual UC is larger than aim UC 2 Even though command of PMV is fully open 1500 pulse hot air does not discharge 3 Pd is abnormally high or outdoor unit stops by Pd protection 8 4 How to Fully Open PMV of
180. ire 1 2 D es 1 2 IN esl A TC1 ty TC2 AN 2 e i 1 f3 CN100 1 Y2 3 BRN FS CN104 CN102 CN101 CN030 YEL RED BLK CNO80 RED GRN PNL CNO73 RED EXCT CNO70 WHI Filter CNO081 BLK W N o W N OY o 7d ze W W ZA N ZIN W N nolako akeko 23 RE INI EN N el ZN ZN JN AS A IN ZN ZN ZN AN zl IN el el IN el el IN ZN el el ER CN082 OROOE BLU 059209 CNO60 21 14141 WHI 1 6X6 N D 01213141516 1218141516 112 0218141516 SAS ASAS ZINN e NOA AA RNA AAN ANAYA Y Fan drive Option SC RY005 007 Fan motor control relay Drain pump motor Float switch I POIN HL8bOdV HL9 0dV HLZZOdY HLPZO0dV HL8SLOdY AININ d L ounssaJg 91181S UBIH ONG p je suoy 9 L Z RED vd 41213141516 DONA A AN ADS 200 240V 50Hz Coe eee So ee ee ee Z O Sz I Lei MUI Y N N D 1 Qindicates the terminal block letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board E u Adaptor for wireless remote controller n p a A ES NA I 13 CN34 1Y2Y3 RED CN104 4 1 1 VEL Povo am Lem Leg TA CN102 XN RED PY emo Lem Leg TCJ Indoor control P C board CN101 00 gu BLK T21 2 ewo DC20V Tus SDCI2V ous K i oDC7V BRW oe AND SIS mc CN80 Fa GRN ST CN73 AL RED ies CN70 FILTER
181. ithin 1 m from a TV stereo or radio set If the unit is installed in such places noise transmitted from the air conditioner may effect the operation of these appliances Do not install the air conditioner near a high frequency appliance sewing machine or massager for business use etc as the air conditioner may malfunction Do not install the air conditioner in a humid or oily place or in a place where steam soot or corrosive gas may be generated Do not install the air conditioner in a salty place such as a Seaside area Do not install the air conditioner in a place where a great deal of machine oil is used Do not install the air conditioner in a place where it is usually exposed to strong winds such as in a seaside area or on the roof upper floor of a building Do not install the air conditioner in a place where sulfureous gas may be generated such as in a spa Do not install the air conditioner in a vessel or mobile crane Be careful with noise or vibrations Do not install the air conditioner in a place where the noise or the hot air created by the outdoor unit will come into contact with your neighbours Install the air conditioner on a solid and stable foundation as this will reduce the transmission of noise and vibration that is produced from the outdoor unit e If one indoor unit is operating some sound may be audible from other indoor units that are connected within the same system even when not in oper
182. k code name Cause of operation P29 16 Compressor position 1 Wire connection error TCC L AI NET detective circuit error 2 Compressor error 3 IPDU P C board error Are the connectors and wiring NO Check and correct circuit and to the compressor normal Wires i e to the compressor etc YES NO ai YES EE NO YES Is the winding open circuit Compressor error gt Replace NO Check IPDU P C board Failure gt Replace Check code Check code name Cause of operation P31 47 Other indoor error Other indoor unit in the group has a error TCC L Al NET Group follower unit error When the header unit of the group detects E03 L03 LO7 L08 error the follower unit s in the group display P31 error and stop There are no check code displays or alarm record on the main remote controller Check code Check code name Cause of operation 97 Al NET communication line error AI NET communication line error TCC L AI NET NO Are AI NET X and Y SPEC YES Are connections of CNO1 CNO2 and CNO3 connectors on network adaptor P C board MCC 1401 and CN309 and CN41 connectors on indoor P C board normal NO Correct connection of connectors YES Are remote controller Check connection of A B terminal Correct communication line of remote controller communication lines A B normal YE S Is there no connection error YES on the power line NO i YES NO
183. l IPDU PC board error NO Is power voltage of oitdoor unit normal 1 Correct power line 1 220 240V 10 YES Is wiring or connector connection NO Correct connector connection on IPDU P C board normal or wiring YES YES Is not it an abnormal overload Correct cause of overload NO Is there no refrigerant stagnation YES in compressor shell Correct refrigerant stagnation in compressor shell Is case heater output normal NO NO Check case heater NO Is compressor normal 2 Compressor error YES Operation starts 2 Check the following items mainly 1 Existence of abnormal sound and abnormal vibration during operation or starting Check IPDU PC 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 change of current change 3 If OCR operates even after manual reset of OCR check whether the wiring to the current sensor T02 of Comp IPDU is correct or not Check code Check code name Cause of operation H03 17 Current detective 1 Cabling or connector connection error on IPDU P C board TCC L AI NET circuit system error 2 IPDU PC board error Correct connector connection or cabling Check IPDU P C board Wiring or connector connection on IPDU PC board normal YES m 2 d D Q 900 lt unt SEL Check code Check code n
184. l energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air conditioners If a single unit of the multi conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m lt Concentration limit kg m The concentration limit of R410A which is used in multi air conditioners is 0 3kg mY NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device Outdoor unit e g charged e g charged amount 15kg amount 10kg 00 ES e ES En E Room A Room B Room C Room D Room Indoor unit For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10kg The possible amount of leaked refrigerant gas in rooms D E
185. lace P C board according to auxiliary code SEL Check code Check code name Cause of operation Check code Check code name Cause of operation P03 1E Discharge temp TD1 error Service valve of outdoor unit closed TCC L AI NET Outdoor PMV1 error TD sensor error Refrigerant short clogging in pipe L30 b6 Interlock in indoor unit Outside error was input TCC L AI NET from outside Is outside device Connected NO Check indoor P C board 4 way valve error to connector CN80 Failure gt Replace SV4 circuit leakage misinstallation YES SV5 circuit leakage SV6 circuit clogging NO f Discharge gas Suction gas pipes mi piping Check outside device S Does outside device correctly operate Failure gt Replace 0 Flow selector unit error YES Are packed valves of NO Check cause of the operation outdoor gas and liquid pipe fully opened Open packed valves fully YES Are outdoor PMV1 normal 1 Connector connection NO Check code Check code name Cause of operation Ang Repair outdoor PMV Coi l 4 Valve itself Connector CN300 5 Outdoor P C board L31 Extended IC error 1 Outdoor unit power error TCC L AI NET 2 Outdoor I F P C board error YES Are there any faults with the Check power voltage and line outdoor unit power supply Check auxiliaty noise etc NO Check outdoor I F P C board sensor characteristics 4 YES NO Is there any refrigera
186. ler resets initialized All data is cleared 2 Reading of CHECK monitor display 7 segment display III 7L IT aL IIA IT 1 CC Hexadecimal hil JD A tC IhLt tht 1 O O UTC notation 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Decimal notation Display on CHECK monitor Unit line No Network address No eli ZONE Lii HH ON CENTER AUX TYPE I STANDBY SET ALL Hn UNIT ULI OFF LOCKED AMD FILTER 123456 7 8 910111213141516 GI D jl Ke Check code detected at first Example There is no check data Check code detected at last PP CHECK data fr Example In No 1 unit first the interconnection wire bus communication line of indoor outdoor has failed Next the room temp sensor is defective For No 16 unit the high pressure switch at the inverter unit side mmm ser SLI 10 4 Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit 7 Segment Display of Interface Check code Outdoor 7 segment display ALNET Gerten Check code name Error detection condition Check item position remote central control controller Check code Auxiliary code emote controller o Wired Remote Communication error between Corresponding Communication interrupted Check remote controller inter unit cable A B controller indoor and remote controller unit only stops between indoor P C board Check disconnection connector contact error Detected at remote controller side
187. n 2006 eh Compressor 12 Adjustment of oil amount in the service compressor Continued Adjust the oil amount in the service compressor based on the amount of oil found in the defective compressor by following instructions below 1 If the amount of oil in the defective compressor is Occ lt A lt 1000cc e Adjust the amount of oil in the service compressor to 1000 cc Extract the oil of 900 cc from the discharge pipe of the service compressor Note Do not extract more than 900 cc as a compressor fault may be caused 2 If the amount of oil in the defective compressor is 1000cc A 1900cc e Adjust the amount of oil in the service compressor to A cc Extract 1900 A cc of oil from the discharge pipe of the service compressor Assembling Assembling by contrary procedure of above 10 1 Ah CAUTION Faston terminals of comp lead wires become loose at taking off works So tighten by pliers and reconnect then confirm terminals without looseness Black Comp IPDU CN11 Equip photograph reference with the up soundproof cover at a compressor so that dew condensation water does not wet a compressor terminal The water which dewed to piping may trickle into a comp terminal e After completion of the repair work perform vacuuming of the outdoor unit using the following procedure Procedure Short CN30 on the interface P C board on the outdoor unit for which the repair work has been comple
188. n DEI rel A I I I Dor od d gd Ne WHI YEL WHI GRN TA CN1 WHI Power Supply S III nd indication parts LE AAA AP B7 ARP AP E AL AB PLA 4 Single phase BEEN MCC 861 00 1890900 GRLMA URK Wierd temoto 220 240V 50H i DASS AJO i controller 220V G0 Sold separately SSES Option ANNE Sold separately I9poIN HZcLOdV He600dV HeZ00dV MININ Z6 e EISE 614138011215 ZA A ZA ZIN ZIN A ZIN ZIN ZI d m O 0009 s a i FAN Y RED NY W W N W NY YEL Y ae AUN NI Ro Y W NY NI gt nudoeoeoeoeo CNO68 es IN en NOS Ven cnos2 LIA 434 CNO3O wen SY 373 251 131 10 BLU GAN pr EL TL RED LV Y Y LV Lei W NI TA CN104 OI P301 YEL A am BLK Le Wei NI CN102 OO qua RED 42X2 Ao CN101 HHA ite 3X3 BLK A223 ep AMT CN304 me n doa oui KIRTEN SAL Control P C board BRN ee 1 Nw o YEL for Indoor unit MASSA MCC 1403 C OSO 2 Y NY WHI S18 CNO73 CNO067 RED Poy EXCT BLK RED 42 CN070 41 GH WHI e Filter 212 Power supply CNO81 D ZA ZO ZO ZA e Color CN040 CNo75 CNO06 CN032 CNO60 indication BLU JJ J Town YEL WHI WHI RED RED C12 3I 4T 5X6 T10 Fan Option YEL YELLOW drive BLU BLUE eee eege CNO2 BLK BLACK E NN Network adapter YEL GRY GRAY bn c e LA Option PNK PINK AR ORN ORANGE Flow selector 3 Lo BRW BROWN unit earth 1 j area da feel CNO GRN GREEN fio ET j AA SN Parts name RED Closed end Ke le Vp Ge
189. n S e D600 D601 D602 D603 D604 CN100 CNO02 NNN i E 2 BLK BLK Fan IPDU P C Board ODO SWO1 SW02 SWO3 MCC 1531 ute d Gei RY517 aao CN302 CN300 Pae Accu heater FEI iy E WHI WHI BE 095 Lon lee Te ovo oe WHI ke cn317 DE 13 cNao5 HI 451 131 DI CN400 0000 MOS RED CX A ASK DI WHO UXX 44 E Symbol ES En terno Lb I cnos Pulse motor valve D 99 pra a IS SV2 SV41 SV51 2 way valve coil 98 MCC 1551 00 4WV1 4 way valve coil RED Comp thermo Compressor case thermo Pipe temp sensor Suction Di Pipe temp sensor Discharge TE sd Heat exchange temp sensor Color indication N gt Q Qo D o mp Arempsemo Notes RED RED 000 5 PTL Liquid tame sensor 1 The two dot chain Ine indicates wiring at the local ste EMT 080 ER sun Y and the dashed line indicates accessories sold separately BLU BLUE Ke and service cables respectively BLK BLACK i gt 2 O O and LI indicate the terminal blocks and the numerals Ge e Power supply N indicate the terminal numbers ORN ORANGE ii e PD Highpressuresensor a ZZ indicates P C board E e GRN GREEN HP SW High pressure switch 4 This relay connector is not connected at shipment from the factory 1st revised Jun 2006 2 3 Connection of PMV Kit Model RBM PMV0361E RBM PMV0901E Indoor unit Pulse motor valve PMV Indoor unit side Connection cable PMV Kit CN82 connecto
190. n shown in Fig 1 is removed and an upper right hook is slipped an interface board will open 2 Place this P C board by using the support of the electric component box There are four installation holes to place the support of the electric component box Fig 1 Electric component box Screw y c de ESTA Hook part EQ ON EN Interface P C board verc C A S MENS KS o oes ka m en LSK NA EN E Fig 2 Fig 3 m Ei Li Uh DS WEAR N x ee pue oe Optional P C board Sa E i S i Up to a total of two boards B PCDM eft side DI Ad m hi d TCB PCIN2E right side ti Ki TCB PCMOZE both side Tires ge d SG i Y 7 2 3 Wiring 1 Refer to the Electric wiring diagram when wiring 2 Be sure to use the shield wire to prevent noise trouble and perform the grounding at both sides of shield wires 3 Fix the output wiring with the wire clamp Wire clamp is accessory of optional P C board In Electric LZ component box Grounding screw is accessory Wire clamp accessory Output wiring 72 7 2 4 Power Peak cut Control B Feature The upper limit capacity and running current of the outdoor unit is restricted based on the demand request signal from outside B Normal current Outdoor unit capacity type MCY 0401 type MCY 0501 type MCY 0601 type B Function Electric wiring diagram Two type control c
191. n the air filter pull the air filter downwards while pushing it towards the main unit side Model 2H series Open the air inlet grille Lift the air inlet grille up to the horizontal position Take hold of the left and right handles of the air filter and lift it up slightly then pull downwards to take it out from the filter holder EY Push the air filter Filter holder Floor Standing Cabinet Type Gently push down on the upper part of the suction port and then pull towards you to remove it Take out the air filter inside of the suction port Floor Standing Concealed Type Push down hook of the air filter on the front panel Lower side Pull the air filter towards you to remove it Front panel AU Floor Standing Type KEEN g yp Air filter knob Sa Removal Attachment of air filter Pull the air filter towards you To attach the air filter insert it into the main body and push it in When cleaning the air filter use a small brush or cleaning device If the air filter is heavily stained use a neutral detergent mixed with warm water After washing the filter rinse it out thoroughly and place in the shade to dry Do not expose to direct sun light Once the air filter has dried place the air filter back into the unit and pull it downward Re installing the air filter Insert the the air filter back into the unit ensuring that both sides of the filter are positioned cor
192. nal devices m 2 ai d D Q 900c UI 1st revised Jun 2006 9 5 Troubleshooting in Test Operation If the phenomena appear such as a check code is output or the remote controller is not accepted in power ON after cabling work or in address setup operation the following causes are considered 9 5 1 A check Code is Displayed on the Remote Controller Check code Outdoor unit displayed on 7 segment Cause Countermeasures remote controller display E04 E19 00 Outdoor power is formerly turned on Turn on the power again In order of Indoor gt Outdoor There is none of outdoor terminator resistor Check SW30 bit 2 of the outdoor unit After address setup No connection between multiple refrigerant lines SW30 bit 20N Connection between multiple refrigerant lines SW30 bit 2 of the connected outdoor unit is turned on only in one line After address was decided all the Check and modifies disconnection of indoor outdoor indoor units do not correctly response communication line after power ON in outdoor unit Communication line the leading indoor unit Check influence of communication noise Address setup error Set up address again Only line addresses of the connected indoor units are undefined The outdoor line address and the line addresses in all indoor units do not match The indoor addresses are duplicated Units except those displaying E04 are duplicated A header unit is not set up in a gr
193. nal output Power supply 220 240V 50Hz 220V 60Hz 66 B Ventilating 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 e Ina 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 7 Push concurrently CS e 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 C 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 c o O emj gt D o D c O emj D 3 O O Oo c ps O 3 o Lo D O bech lt emj D D 3 O O Q D Lu WU Using the timer time
194. nce Temperature difference 15 C or more between suction and discharge air of the indoor unit In Max Hz operation The temperature difference may diminish in cases of systems in which the connected indoor capacity exceeds 100 or with long pipe length etc NOTE 2 Criteria for operating current For a test operation with all the indoor units operating normal operating current is shown in the following table Outdoor unit 0401 type 0501 type 0601 type NOTE 3 Criteria for cycle status 1 Refrigerating cycle under standard condition The refrigerating cycle under standard cooling and heating condition is as follows Pode Cooling Heating Cooling Heating Cooling Heating Low P mPaj 09 07 o9 oz og oe Discharge TD co z 7e e 86 s Suction Of e 2 mw 1 M o Pipe surface temp 36 Indoor heat exchanger TCJ io 33 10 31 9 32 Indoor C 35 78 This compressor is driven with 4 pole motor The value of the compressor frequency Hz measured by a clamp meter is two times the rotation count rps of the compressor This data is the cycle data under condition of standard pipe length and two 4 way Air Discharge Cassette type air conditioners connected Data changes according to installed pipe length combination of indoor units or connected indoor capacity For a compressor the left side is 1 and the right side is 2 viewed front the front of the unit Ev
195. nction 11 Refrigerant overcharge 1 2 3 4 5 6 7 8 Note High pressure SW is normally closed B contact NO NO Does high pressure SW operate Is circuit cabling normal YES YES Check and correct cabling Comp IPDU Failure gt Replace Check parts Failure gt Replace Open valve fully Are parts of high pressure SW normal YES NO Is packed valve fully opened YES Cooling operation gt To Heating operation gt To C Are characteristics of NO high pressure sensor normal Cooling operation NO NO Does cooling outdoor fan normally operate toro eM dran YES Connector connection fan IPDU fan motor wiring Reset power supply and start a test operation corresponding to the season Replace the high pressure sensor Repair faulty parts Are there any obstructions in the operation of the indoor heat exchanger YES 1 Air filter clogging Eliminate the interfered causes 2 Heat exchanger clogging 3 Air short circuit NO NO Is SV2 circuit normal Repair SV2 circuit YES Coil error clogging disconnection of wiring etc C Heating operation Repair SVA circuit Coil error clogging disconnection of wiring etc Is SV4 circuit normal YES Refrigerant overcharge clogging pipe breakage abnormal overload condition YES Does heating indoor fan normally operate NO NO Is the PMV Kit used YES NO Is indoor PMV normal Is the P
196. nd Us Us connectors interface P C board LO5 Duplicated of indoor units with priority The Heat Recovery Multi is not set up on priority LO6 There are two or more indoor units set up with priority L08 L Address setup error Set up address again e Only indoor addresses of all the connected indoor units are undefined L05 Displayed on the indoor unit set up with priority L06 Displayed on the indoor unit except one set up with priority LO 0 0 2 LO LO 0 89 1st revised Jun 2006 9 5 2 Operation from remote controller is not accepted and a check code is dis played on 7 segment display of the interface P C board of the outdoor unit Remote 7 segment display of Cause Countermeasures controller status outdoor unit No response L08 Line addresses and indoor addresses of all the connected Set up addresses indoor units are unset Set up group address Turn on the power again In order of indoor outdoor Check SW30 bit 2 of the outdoor unit No connection between multiple refrigerant lines SW30 bit 2 ON Connection between multiple refrigerant lines SW30 bit 2 of the connected outdoor unit is turned on only in one line DN 9 5 3 There is no display of a check code on 7 segment display on the interface P C board of the outdoor unit though there is indoor unit which does not accept the operation from the remote controller Remote 7 segment display of Cause Countermeasures co
197. nd level can be reduced with connecting outdoor interface P C board by restricting compressor and fan speed B Wiring Input wiring 2 core 0 75 mm Up to 500m Shield wire B Function Electric wiring diagram Outdoor unit Local supply Connection cable Shield SMC Input signal for night operation Termina Inputsignal Operation ON OFF Night operation control COOL SMC ON Normal operation A CAUTION Be sure to prepare non voltage continua tion point of contact for each terminal OFF Reference Outdoor unit capacity type 0401 type 0501 type 0601 type Sound reduction dB A Cooling Heating 1 46 48 46 48 47 49 Approximation capacity Cooling Heating 2 90 95 85 75 85 70 1 This sound pressure level are measured in an anechoic chamber in accordance Location of microphone The front of 1 m a height of 1 5 m Cooling Outdoor temperature 25 C DB Heating Outdoor temperature 7 C DB 6 C WB 2 Against Max capacity Cooling Outdoor temperature 25 C DB Heating Outdoor temperature 7 C DB 6 C WB 76 7 2 7 Operation Mode Selection Control B Feature This control can be operated with the operation mode which is permitted by SMC or SMH B Wiring Input wiring 3 core 0 75 mm Up to 500 m Shield wire B Function Electric wiring diagram Outdoor unit Local supply I F P C board Connection cable Shield SMC Cooling m
198. ndoor suction temperature 2 TC1 Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation 3 TC2 Connector CN101 2P Black 1 Controls PMV under cool in heating operation 4 TCJ Connector CN102 2P Red 1 Controls PMV super heat in cooling operation 2 MMU AP0071 to AP0121YH only Controls PMV under cool in heating operation 93 9 SWITCH SW08 SET UP OF THE OUTDOOR UNIT When using the outdoor unit under the following conditions it is necessary to set up DIP switch on the outdoor unit interface P C board CAUTION When anyone of the following condition is applied set up DIP switch 1 When using PMV Kit in the Mini SMMS system 2 When using the indoor unit under high humidity condition Reference Indoor side 27 C dry bulb temperature 24 C wet bulb temperature Operation time 4 hours or more 5 1 Setup Method e Turn on DIP switch SW08 on the interface P C board of the outdoor unit SWor Su m Wi SWO8 Outdoor unit interface P C board AAA x AM 1 AM 2 mm 3 AM 4 CS A JJ NES 94 6 CONTROL OUTLINE 6 1 Indoor Unit 6 1 1 Control Specifications LONE NE Outline of specifications Remarks Power supply 1 Identification of outdoor unit is reset When the power supply is reset the outdoor units are individually identified and communication is established 2 Check code clear When the power supply is reset the check code is also
199. nected o at Em i EE EE cg Ew meorewcaedy 1 egene O O O O O O O eS rietsen OO mie SSS w Gmpaes ene e Louver ype Ar direcion ausiment eegen o 19 Temp width between cooling and heating E automatic selective control points Ls 0003 3 deg Ts 1 5 Automatic restart from power failure EE 0000 None HA terminal T10 selection 0000 Normal YAA CA LLL High ceiling selection MEE 0000 Standard en Timer setup Wired remote controller D 0000 Possible Type Indoor unit capacity Item code 10 Item code 11 Setup T Model Setup data Mode Setup data Mode data ype abb name 0000 1 way Air Discharge Cassette MMU AP t S 0001 007 type 0017 048 type 0001 4 way Air Discharge Cassette KORK mp da IP 0002 2 way Air Discharge Cassette NOR ds MEE di ER 0003 1 way Air Discharge Cassette pur 0003 009 type 0019 NS e type 0004 NOS 0020 NOS 0004 Concealed Duct Standard Duct Standard KOK 0005 012 type 0021 072 type 0005 Slim Duct a 006 oc 0006 Concealed Duct High Static Pressure AP tetek 0007 015 type 0023 096 type 0007 Under Ceiling NER 0008 EN 0024 NS 0008 High Wall 0009 018 type 0025 NOS 0010 Floor Standing Cabinet seek 0011 024 type 0027 EN 0011 Floor Standing Concealed 0012 027 type 0028 NOS 0012 0013 Floor Standing Below 6HP OR 0014 4 way Air Discharge Cassette The initial setup value of EEPROM installed on the service P C board 187 14 2 Outdoor
200. nit REQUIREMENT A location that permits the level installation of the unit A location that provides enough space to service the unit safely A location where water draining from the unit will not pose a problem SWING FIX UNIT FILTER reset Push the FILTER switch after cleaning FILTER display disappears Avoid the following types of locations Locations where salt is present in large amounts seaside areas or where sulfuric gases are present in large amounts hot springs areas If the unit is to be used in such areas special maintenance is necessary Locations that generate oils including machine oils steam oily smoke or corrosive gases Locations where organic solvents are used Locations in the vicinity of equipment that generates high frequency signals Locations where the outdoor unit will blow in the direction of a neighbor s window Locations where the noise of the outdoor unit will pose a problem Daily maintenance e F or daily maintenance including Air F ilter cleaning please use qualified service personnel particularly for the following models WARNING Be sure to turn off the main power supply prior to any maintenance Please do not intend to do the daily maintenance and or Air Filter cleaning by yourself Cleaning the air filter and other parts of the unit involves dangerous work in high places so be sure to have a
201. nit for 2 seconds or more After test operation return the rotary switches SWO1 SWO02 and SWO3 on the interface P C board of the outdoor unit to 1 1 1 respectively 99 1st revised Jun 2006 4 Individual start stop ON OFF individual test operation function This function is provided to start stop ON OFF individually each indoor unit connected to the same system by using switches on the interface P C board of the outdoor unit Set SW01 16 and set SW02 SWO03 to indoor address No 1 to 64 to be started Refer to the following table only the setup indoor unit starts operation In the rotary switches of the indoor unit which operates in a group by the remote controller the follower unit cannot be individually started or stopped In this case is displayed on 7 segment display B on the interface P C board of the outdoor unit Operation procedure PowerON Be sure to turn on power at the indoor side before power ON of outdoor unit If an error is already displayed under condition of SWO1 1 SWO02 1 SWO03 1 return the status to normal one according to troubleshooting and then execute a test operation The unit which is not given with priority by heating priority control Set up the operation mode of the remote controller _ cooling priority control and selection of cooling or heating mode If it is not set up the operation starts with the current mode is not operat
202. nit in the group adapter can be connected to communication line of remote controller was defective AI NET Duplicated network Operation Multiple network adapters Check communication line miscabling and power of indoor unit adapters continued were connected to Check communication X Y terminals communication line of e Check network adapter PC board remote controller Detected at central Check the central controller Central control remote controller etc controller side AI NET Error in indoor group Operation Error of follower unit in the Check follower unit in the group continued 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 wi error Ze 10 5 Diagnosis Procedure for Each Check Code E01 7 Communication error between 1 Remote controller interconnecting cable TCC L AI NET indoor and remote controller error E03 97 Communication error between No communication from remote controller and TCC L AI NET indoor and remote controller communication adaptor Detected at indoor side Detected at remote controller side 2 Indoor power supply error Indoor P C board error Remote controller address setup error Remote controller P C board error Is the interconnection cable of NO Correc
203. nnot be performed because the other indoor unit is under HEAT operation HEAT operation cannot be performed because COOL priority is set Outdoor I F P C board SW11 1 bit is ON and the other indoor unit is under COOL DRY operation FAN operation cannot be performed because the system performs Heat oil Refrigerant recovery operation e There is a unit in which indoor overflow P10 is detected e There is a unit in which interlock alarm P23 is detected 2 The above indoor units unavailable to operate waits under condition of thermostat OFF San e Qoes on HEAT standby gt Display on remote controller 1 HEAT thermostat is OFF e 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 e 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 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 Cent
204. nt A E1 lt SW04 SWO05 gt push function Fan of normal unit only drives 7 segment A EO lt SW05 gt push function Interruption of fan operation function A Stop Normal cooling C Normal heating H Normal defrost J A Operation mode Outdoor unit HP 4HP 4 5HP 5 6HP 6 HP Compressor operation command A Compressor operation command is displayed Data display with Hexadecimal notation 00 to FF ok OX KKK lt SW04 gt push function Inverter frequency is exchanged to decimal notation 7 segment display A B x H Normal display by pushing SW05 A FP tep 0 to 31 0 to 31 Outdoor fan step MIE CoD El Control valve output data Displays control output status of solenoid valve A B CTC RE EEES wwwwmor srono a samome 49 77 e 12 AA AAA LA A 14 Displays opening data Decimal Total opening RO 16 148 3 Data display of outdoor cycle Pd pressure data Pd pressure MPaG is displayed with decimal data MPaG Approx 1 10 value of kg cm G data mpm m 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 TD sensor data Temperature sensor data C is displayed E EA MN f Symbol display for 1 sec and data display for 3 sec are Sais e Data is displayed in Data
205. nt leakage on discharge gas to suction side on the 4 way valve Gneck 4way valve YES SVA circuit 1 Are not coils of SV4 valves mounted ee NO Is resistance characteristic Replace TD1 2 of TD1 sensor normal Refer to Outdoor unit temperature Correct mounting of valve coils or replace SV4 valve reversely 2 Is no leakage from SV4 YES Check code Check code name Cause of operation P01 11 Indoor fan motor error 1 Cabling error TCC L AI NET 2 Check fan motor Abnormal Check leakage of SV5 circuit Replace defective parts For the models installed with AC fan motor only Normal Is there a connection error or YES Correct cabling circuit for disconnection of CN076 connector the connector connection Is not indoor unit in other NO S Se SE refrigerant line connected Area YES YES Is not there mechanical lock of fan motor Replace fan motor Refrigerant short clogging pipe breakage Check there is no pipe breakage and then recharge refrigerant NO Check indoor P C board Failure gt Replace DEL Check code Check code name Cause of operation P04 21 Actuation of TCC L AI NET high pressure SW 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 SV4 circuit error 9 SV5 circuit error 10 Discharge line check valve malfu
206. nt panel or cabinet execute short circuit and discharge between high voltage capacitor terminals If discharge is not executed an electric shock is caused by high voltage resulted in a death or injury Execute discharge Ewe between Terminale After turning off the breaker high voltage also keeps to apply to the high voltage capacitor Do not turn on the breaker under condition that the front panel and cabinet are removed O An electric shock is caused by high voltage resulted in a death or injury Prohibition N WARNING Check earth wires 9 Prohibition of modification Do nat bring a child close to the equipment Insulating measures Refrigerant Assembly Wiring 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 Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury For spare parts use those specified If unspecified parts are used a fire or electric shock may be caused 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 Please inform the users so th
207. ntinued central control device e 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 Operation Error was input in HA Check error input HA control interface continued control interface TCC LINK Follower unit error of Operation An error occurred in Check the error code of the unit with alarm group control continued follower unit of the group control P30 is displayed only on the central remote controller L20 is displayed Duplicated central control Operation Central control addresses Check the address setup address continued were duplicated Error detected by Al NET central control device Check item position Display on condition central control Differs according to error contents of the with alarm Check code i iti Error detection ag Malaremote Outdoor 7 segment display AI NET Detected position Check code name Status condition Check item position central control controller Check code code Check code Auxiliary code Auxiliary code remote controller AI NET AI NET communication Operation E07 L07 L03 L08 was Check multiple network adapters System error continued detected when other Check wire and miscabling of remote controller Only one network indoor u
208. ntroller status outdoor unit No response None Communication line is not connected between indoor and Modify wiring outdoor Line and indoor addresses are unset Unit which does not response to remote controller The power of the header unit of the group is not turned on in indoor group control Unit which does not response to remote controller Group address is set up to follower unit in the individual control Unit which does not response to remote controller Set up address No display on The power is not turned on Turn on the power Set 0 to group address in case of individual control Turn on the power remote controller Unit which is not displayed on remote controller No line is output m There is no outdoor unit of group control E19 00 Indoor unit power is not turned on Indoor outdoor communication line is not correctly connected to the outdoor unit Fig 1 Indoor outdoor cannot communicate before address setup There is none of outdoor terminator resistor or there are two or more resistances Before address setup E20 01 Address setup is performed with connecting indoor outdoor communication line Fig 3 Address setup is performed under condition of connecting between multiple refrigerant lines Fig 3 Remote controller is not connected with cable Unit which is not displayed on remote controller Miscabling of remote controller Unit which is not displayed on remote controller Remote cont
209. oard I F error Check SV4 circuit error Pd sensor error All stop Output voltage of Pd sensor was zero Check connection of Pd sensor connector Sensor Open e Check Pd sensor error Pd gt 4 15MPa during stop of compressor Check outdoor PC board I F error Indoor Indoor other Corresponding Indoor P C board did not operate normally Check indoor P C board error EEPROM error error unit only stops Outdoor All stop 1 Outdoor PC board I F did not operate e Check power voltage EEPROM error Check power noise Check outdoor PC board I F error All stop Inverter current detection circuit detected Check power voltage AC220 240V 10 over current and stopped Check compressor error Check cause of abnormal overload operation Check outdoor P C board IPDU error All stop Over current was detected several Check compressor error seconds after compressor had started Check power voltage AC220 240V 10 Check cable of compressor and phase missing e Check connector terminal connection on IPDU PC board Check conduction of case heater Check activation error due to liquid stagnation in compressor IPDU Compressor breakdown IPDU Compressor error lock Check outdoor P C board IPDU error HO3 HO3 01 Compressor 1 IPDU Current All stop While compressor stopped current flowed e Check cabling of current detection circuit system detection circuit mor
210. oat switch operated Check the float switch connector Float switch circuit disconnected or the Check operation of drain pump unit connector came off Check the drain pump circuit Check clogging of drain pipe Check indoor P C board error The value of motor speed deviated from Check connection of fan connector and wiring target value was detected for certain time e Check fan motor error Over current protection operated e Check indoor PC board error Check influence of outside air control e Check indoor type code DN 10 and the capacity code DN 1 1 In heating Check full close operation of outdoor PMV While the system is operating in HEAT mode Check Pd and Ps sensor error outdoor PMV of which opening degree was Check clogging of SV2 circuit 100 pulse or less for a certain time e Check clogging of 4 way valve error circuit e Check outdoor PC board I F error Check capillary clogging of oil return circuit from oil separator Check TS sensor error Suction temp exceeded the judgment standard Check refrigerant shortage temp for 10 minutes or more Check full open of outdoor service valves gas side liquid side Check outdoor PMV clogging Check characteristics of TS1 sensor resistance value Check 4 way valve error Check leakage of SV4 circuit Check leakage of SV5 circuit TS error judgment standard temperature In cooling operation 60 C or higher In heating operation
211. ode designated input switch SMH Heating mode designated input switch Terminal Selected operation mode a A HEAT SMH E Only n mode SE b x1 mode select control mark is indicated on the remote controller display A CAUTION Be sure to prepare non voltage continuous point of contact for each terminal 77 7 2 8 Error Output Control B Feature Operation and error monitoring is possible by using error output control board TCB PCIN2E B Wiring Size Length o 4 core 0 75 mm Up to 200 m Output wiring Shield wire In conformity with design 60245 IEC 57 B Function Electric wiring diagram Operation monitoring Display relay is ON with more than one indoor unit operation Display DE TEE relay F EMG Power supply A oer ee eee Error monitoring lamp EMG monitoring Display relay is ON when the system in error status Outdoor unit Local supply I F PC board TCB PCIN2E y Display ee relay OPERATION 8 Power supply pO ore es Operation monitoring lam Connection AA di 10 iid cable SE i PJ17 EE Lienen Shield wire A CAUTION Be sure to prepare non voltage point for each terminal e Display relay capacity of OPERATION and EMG Below AC240V 0 5A COSf 100 When connecting load such as relay coil to L1 L2 load insert the noise surge absorber Below DC24V 1A Non inductive load When connecting load such
212. on changes In Heating operation For Heat pump model only n heating operation the fan operation may continue for approximately 30 seconds after the air condi tioner has stopped In Heating operation Set the air outlet louver downward ix If directing it upward the hot air may not come to the foot The indoor fan will continue the preheat operation for 3 to 5 minutes under stop conditions The indoor unit will then begin to blow out hot air symbol on the remote controller display will come on When the temperature of the room has reached the setup temperature and the outdoor unit stops the air speed reduces and so the air volume will decrease e In HEAT 362 mode if the room temperature reaches the set temperature the outdoor unit will stop and oye the air flow volume will decrease In the defrost mode the fan will stop so that cool air is not discharged and the PRE DEF Ge is displayed In Cooling Dry operation Set the air outlet louver Upwards If directing it downwards the dew may form on the near side of the air discharge port and could drip Initial setup How to adjust the the air flow direction Sube TEMP DON OFF using the swinging function 3 9 Adjustment of Wind Direction 2 Push the button To increase the cooling or heating effect be sure to use the discharge louver in different direc Set the direction of the air outlet louver to a tions when
213. ontroller display Auxiliary code Check code name Detecting device ALT Indoor TCJ sensor error ALT Indoor TC2 sensor error ALT Indoor TC1 sensor error SSC OF F07 F13 01 Comp 1 ALT Indoor TA sensor error a EN EN F16 H01 01 Comp 1 SIM Indoor other error SIM Indoor EEPROM error e TI wesch O Magnet switch error MG SW H02 H02 01 Comp 1 e AER 0 o8 Overcurrent relay operation Overcurrent relay Compressor trouble lock IPDU Current detect circuit system error IPDU Comp 1 case thermo operation e Low pressure protective operation e O SIM Indoor center unit duplicated Indoor SIM Outdoor line address duplicated SIM Duplicated indoor units with priority Displayed in indoor unit with priority Los LOG No of indoor units with priority 01 Comp IPDU error 102 Fan1 IPDU error 03 Comp Fan1 IPDU error 04 Fan2 IPDU error 05 Comp Fan2 IPDU error L29 L29 i SIM Duplicated indoor units with priority Displayed in unit other than indoor unit with priority SIM Indoor group Address unset SIM Indoor capacity unset SIM Over No of connected outdoor units E SIM Indoor outside interlock Indoor Extended l C error EE 07 All IPDU error 106 Fan1 Fan2 IPDU error SIM No of IPDU error 07 All IPDU error or disconnection of communication line board or outdoor I F P C board error L30 Detected indoor address between I
214. oor PC board normally send signals E06 is e Check connector connection for communication in outdoor PC board e Check indoor PC board failure Check outdoor PC board I F failure normally displayed 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 Duplicated indoor addresses All stop Multiple indoor unit address Check indoor address indoor setup are duplicated Check the change of remote controller connection Group individual addresses after setup of indoor address Corresponding In 2 remote controller control Check remote controller setup unit only stops including wireless both are e Check remote controller PC board setup as master Header indoor unit stops and other indoor unit is operating E10 CF Indoor unit Communication error between Corresponding There is any trouble in power Indoor P C board failure indoor P C board assembly unit only stops line DL Check code Wired Outdoor 7 segment display AI NET Pe on Check code name Status Error detection condition Check item position remote central control controller Check code Auxiliarycode Code Auxiiarycode remote controller Automatic address All stop When indoor automatic address st
215. oor and outdoor correct YES Is there an error on power cable to an outdoor unit NO Is there noise source NO Outdoor I F P C board failure Replace 1 Outdoor communication terminal resistance r setup error 2 Indoor outdoor communication connection error NO Correct setup of terminal resistance YES Correct short circuit Is F400 fuse on NO I F P C board failed YES Check conduction with tester Turn on power to start operation I F P C board failure However an emergent operation is available by inserting connector from CNO1 to CN33 6cl Check code Check code name Cause of operation E08 96 Duplicated indoor addresses Indoor addresses are duplicated TCC L AI NET Auxiliary code Duplicated indoor address Using a main remote controller RBC AMT31E check the setup item codes DN code 12 13 and 14 When there is no address duplication check to the following flowchart Is cable connection to NO communication line normal Correct cable connection YES Is communication line connected YES to the different outdoor unit Is indoor unit quantity connected to outdoor unit correct YES Correct communication line Set up indoor address again Check code Check code name Cause of operation E09 99 Duplicated master Setup of master remote controller is dupli TCC L AI NET remote controller cated Correct setup of remote controllers one a
216. op thermo OFF Compressor Each compressor is stopped should the Pd pressure sensor stop due to high reach a value of 3 5 MPa pressure release This control is performed by the outdoor units 60 No Wem Operation explanation and applied data etc Remarks Heating is provided for both the compressor case and accumulator When the compressor in any outdoor unit is stopped the heater is switched on to prevent accumulation of refrigerant Case heater control After installation of a system it should be powered for the specified period of time prior to operating a test run to prevent damage to the System If the system has not been powered for a prolonged period of time it is important to apply power for the specified period of time before resuming operation This function is often performed in conjunction with the compressor winding heating control When this occurs a noise may be heard which is not an indication of a malfunction 1 Contents of control The function is performed during when the compressor is off e When the TO sensor temp measures 28 C or higher the heater turns off and turns on when it change measures 25 C or lower The heater remains ON for 10 minutes after the compressor has changed mode from Off to On 10 IPDU control The IPDU controls the inverter compressor by communicating a command frequency that controls the compressor speed depending on any active releases The main controls of the IPDU
217. or NO f on indoor P C board correct Correct connection YES Is connection of CNO1 NO connector on I F P C board Correct connection Set up address again Refer to Address setup procedure of outdoor unit correct YES Is there any connection YES C t bl error of power cable AN NO YES Did a power failure occur ee NO YES NO Set up address again after resetting power supply um 2 d D Q 900 lt unt UEL Check code Check code name Cause of operation Check code Check code name Cause of operation E16 89 Connected indoor units 1 There are 48 or more connected indoor units E18 97 99 Communication error between Regular communication between indoor header TCC L AI NET capacity over 2 Capacity over of total connected indoor units TCC L AI NET indoor header and follower and follower is unavailable 3 Incorrect setup of indoor outdoor capacity l Are remote controller NO Correct remote controller Auxiliary code 00 Capacity over 01 Number of connected indoor units interconnection wires A B normal interconnection wires YES Excessive indoor units are connected Correct miswiring Is No of connected indoor units correct YES Correct connection Check circuit wire Is there any disconnection of connector or wiring from terminal block of indoor unit NO Is setup of indoor unit HP correct Correct HP setup NO Is a g
218. oup Except group displaying E04 E08 XX Duplication of indoor addresses Set up address again Address No in which sub code of the check code are duplicated After address setup communication from all the Check and correct disconnection of indoor outdoor indoor units interrupted under condition that a communication line Communication line between normal operation can be performed outdoor unit and the leading indoor unit Check influence of communication noise E There is none of outdoor terminal Check SW30 bit 2 of the outdoor unit resistance or there are two or more No connection between multiple refrigerant lines resistances SW30 bit 20N After address setup when terminal l resistance setup is changed after Connection between multiple refrigerant lines i SW30 bit 2 of the connected outdoor unit is turned power ON l on only in one line Transmission circuit error at interface side Replace the interface P C board P C board failure E16 XX Exceeded No of connected indoor units or Adjust No of connected indoor units or capacity exceeded capacity 8 7 6 E25 Duplication of outdoor addresses Do not use a manual setup for outdoor address Only when outdoor address was manually set up 4 6 8 Duplication of outdoor line addresses Modify line address setup of the outdoor unit e Line address setup error occurred after connec Detween lines Set up SW 13 and 14 on the tion between U1 Uz a
219. per plate EES Side cabinet Outlet cabinet Piping panel Rear Piping panel Front Reactor box Outlet cabinet Part name Procedure E nverter A CAUTION Screw Screw assembly Wear protective clothing on your hands as other components may cause injury etc lt Disassembling gt 1 Stop the unit operation and turn off the power supply to the unit A WARNING Never open the cabinet while five minutes after turn off the power supply 2 Remove front and upper cabinet Screw 4 x 10 9 pcs 3 Remove power supply and remote controller wires Screw of terminal block 4 Remove wires to I F P C board Solenoid valve coil 4 way valve coil heater comp thermo PMV coil sensor 5 Open I F P C board on the slant Screw O4 x 8 2 pcs and supporter 6 Remove the reactor wires Screw of terminal block wire clamp and valveycoil bundle band 7 Remove wires of sensors and PMV coil Wire clamp and bundle band 8 Remove fan motors lead wires Two points 9 Remove IPDU wires Compressor lead wires and high pressure SW PMV coil Pressure sensor Sensor mM z e mm pes Le E JA zl 4 way valve coil Comp thermo Clamp EATON down Screw of terminal block connector High pressure SW connector Fan motor up connector 170 Pert name Procedure MC Inverter assembly Continued 3 How to remove electric part
220. plicated L07 99 Group line in individual indoor unit The group line is connected in the TCC L AI NET TCC L AI NET individual indoor unit Item code D1 12 Line address Item code D2 13 Indoor address Item code D3 14 Group address Correct indoor group address YES Are there duplicate line address setups Correct the line address setup Are communication wire connections of l y U1 U2 U3 U4 and U5 U6 normal Correct the wire connection YES Check outdoor I F P C board Failure gt Replace T Check setup item code Is there group wiring DN 12 13 and 14 addresses Is there an individual indoor unit NO Repeat the address setup Refer to Address setup Check indoor P C board Failure gt Replace Check code Check code name Cause of operation L08 99 Indoor group address unset Indoor address unset TCC L AI NET L05 96 Duplicated indoor units with priority 1 Two or more prior indoor units exist NO TCC L AI NET Displayed on indoor unit with priority Md Ed Mia Turn on the power of indoor units YES Check code Check code name Cause of operation 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 Disconnect connectors between U1 U2 and U3 U4 Clear addresses Che
221. r Indoor control P C board Connector conversion cable 1 1 MMK APxxx2H High Wall Type does not use a this conversion cable 32 3 PARTS RATING 3 1 Indoor Unit 4 way Air Discharge Cassette Type wen me mn vo mem www wem mm men Drain pump motor ADP 1409 TC1 sensor 24 size lead wire length 1200mm Vinyl tube Blue 26 size lead wire length 1200mm Vinyl tube Black Pulse motor EDM MD12TF 3 Louver motor panel MP24GA we me ee e Compact 4 way Air Discharge Cassette Type W m Se ee ww O d Se Fan motor SWF 230 60 1 Drain pump motor ADP 1409 Float switch FS 0218 102 TA sensor Lead wire length 155mm 33 2 way Air Discharge Cassette Type Float switch FS 0208 608 Pulse motor valve EDM B40YGTF TC2 sensor 6 size lead wire length 1200mm Vinyl tube Black 06 size lead wire length 1200mm Vinyl tube Red Model MMU AP 0241WH 0271WH 0301WH Fan motor AF 200 53 4F Pulse motor valve EDM B40YGTF 1 way Air Discharge Cassette Compact type Type Model Fuvigsmadrrianmay m EECHER 34 Concealed Duct Standard Type wa mee ew mes eem owen res Pulse motor valve EDM B40YGTF Pulse motor valve EDM B60YGTF 1 Concealed Duct High Static Pressure Type Running capacitor for fan motor AC 400V 8uF Pulse motor valve EDM B60YGTF 1 Slim Duct Type Model MMD AP 0071SPH SH 0091SPH SH 0121SPH SH 0151SPH SH 0181SPH SH Fan motor SWF 280 60 1
222. r 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 approximately 1 minute after recovery control 4 Only 4 way Air Discharge Cassette type air conditioner rotates the indoor fan with intermittent operation for approximately 1 minute after recovery control as the outdoor unit 5 After recovery control drain pump of 4 way air discharge cassette type and concealed duct type will operate 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 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 he
223. r band so that there is no gap between the SUS band and the fixing rubber bracket Pay special attention no to create a gap at the hair pin of the rubber band 4 Squeeze the rubber bracket and band so that the hook part of the band clips into the square hole 181 Align the direction of the slits and then attach to each pipe Matching the tabs slide them Align the tabs to the slit side of the rubber a sige mij Push the band against the rubber to eliminate any gaps Slide the square hole side towards the arrow mark PS Ls Push the tab side up against the rubber Refrigerant Recovery in Outdoor Unit This outdoor unit has check valve and PMV Pulse Motor Valve at back and forth of heat exchanger So in some case heat exchanger will become blockage situation In case of changing compressor or cycle parts refrigerant recovery works are difficult without fully opening of PMV After fully opening PMV as following process recover refrigerant by using recovery device REFERENCE Outdoor unit refrigerant cycle Heat exchanger The shut circuit HE m E L Compressor Inverter T Check joint EE i IN IN Liquid side Gas side packed valve ball valve Work Process This function is provided to fully open the PMV used in the outdoor unit for 2 minutes 1 Short circuit CN30 on the interface P C board of the outdoor unit After 2 minutes the opening returns to the normal operation
224. r flow direction upwards downwards In Cooling operation In cooling operation use the horizontal louver with a horizontal set point so that the cold air diffuses the whole room In Heating operation For Heat pump model only In heating operation use the horizontal louver with a downwards set point so that the hot air blows towards the floor REQUIREMENT e f cooling operation is performed with the louver set at a down wards position dew may form on the surface of the cabinet or the horizontal louver resulting in possible dripping If heating operation is performed with the louver set in a horizon tal position the room temperature may not be equal i e there may be a large variance between one side of the room with the other Do not move the horizontal louver directly with your hands otherwise a fault error may be caused Select the direction of the horizontal louver using the 555 button on the remote controller The horizontal louver will not stop immediately even if the switch is pushed Note Pushing the switch again when the required louver direc tion has been reached will stop the louver Adjustment of air flow direction rightwards leftwards To change the air outlet direction to the right or left side set the vertical louver located behind the horizontal louver to the desired direction Setup of air direction and swinging 1H series Refer to the description of 2 way Air Discharge Cassette
225. r header and Check cable of the remote controller unit between indoor header unit only stops follower units Check power cabling of indoor and follower units Check PC board of indoor Outdoor unit quantity All stop There are multiple outdoor units in 1 line The outdoor unit connected with communication cable error There is none of outdoor unit in 1 line 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 01 Connection of outdoor of Other line unit All stop Unit of other line was connected when indoor automatic Separate the cable between lines according to automatic other line connected during address started address setup method in Address setup 02 Connection of indoor of automatic address other line communication connection with outdoor unit in the other refrigerant line o outdoor All stop Outdoor addresses set up are duplicated Note follower address o oe ie not set up the outdoor address manually IPDU communication All stop Communication of each IPDU P C board in inverter box Check connection of communication connector and interrupted disconnection between IPDU and I F P C board e Check outdoor PC board I F IPDU Fan IPDU error Check external noise Communication All stop Transmission of other outdoor unit was unavailable for 30 In this model only one outdoor
226. ral control mode 3 Cannot select mode set up temp Central control mode 4 Cannot select mode VE med 3 RBC AMT21E Wired remote controller from the remote While mode is the central control mode 2 CENTRAL controller CENTRAL lights on the display part of the remote controller CONTROL mode the Status is notified with receiving sound 98 1st revised Jun 2006 6 2 Outdoor Unit 6 2 1 Operation Start Operation End The compressor solenoid valve pulse motor valve PMV outdoor fan etc are controlled by a command from the indoor controller The follower outdoor unit starts stops by a command from the header outdoor unit fe ten ste nin apie TN Pulse Motor Valve PMV 1 PMVcontrol PMV control e PMV is controlled between 45 to 500 pulses during operation e In cooling operation PMV opening is dependent upon detected readings from the TL sensor and Pd pressure sensor sub cool control e In heating operation PMV opening is dependent upon detected readings from the TS and TD sensors and the Ps pressure sensor super heat control e PMV will be fully closed when the system is in Standby or No demand modes and when a malfunction in the system has occurred Outdoor fan 1 Fan control in all cooling operation control 1 The outdoor fan speed mode is determined by the When TE temp ambient detected Pd pressure value temperature exceeds 2 When cooling operation has started t
227. ras 10 2 WIRING DIAGRAM eeeeereeee nene nennen nnn nnn nnns 18 de PARTS IRAN isso italia 33 4 REFRIGERANT PIPING SYSTEMATIC DRAWING 91 5 SWITCH SW08 SET UP OF THE OUTDOOR UNIT 94 6 CONTROL EREECHEN 55 7 APPLIED CONTROL EE 63 O PMV KIT OUT EINE tentar 79 d TEST OPERATION E 81 10 TROUBLESHODTINA E 110 11 CONFIGURATION OF CONTROL CIRCUIT 154 12 BACKUP OPERATIONS EMERGENCY OPERATION 168 REPLACING PROCEDURE OF PARTS P C BOARD EXPLODED VIEWS AND PARTS LIST SAFETY CAUTION The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications lllustrated marks and keep them Explanation of indications Indicates contents assumed that an imminent danger causing a death or serious injury of N DANGER EE jury the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the N WARNING repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the N CA
228. rcuit d Driver Sensors Display section 5 Float input None for Concealed Duct Indoor fan motor Transformer El Indoor Outdoor Max 8 units are connectable 1 up communication 4 Nome for concealed duct FI i i l oor standing cabinet 1 However in a case that the network adaptor is installed Outdoor unit Floor standing concealed maximum 7 units are connectable Eur n 19 220 240V 50Hz 9 Nome for concealed duct 2 The network adaptor is installed to only one unit 10220V 60Hz Floor standing cabinet Floor standing concealed 3 The weekly timer cannot be connected to the simple wired remote controller Floor standing H2 d 3 FEE ed A DBuipueijs 10014 ed J pajes9u0 Duipuels 100 ed L 1euiqe5 Buipue s 10014 ed a1nssaJdg 91181S YIH nq pejeeouo25 sa119S 1 ed L onesse eBueuosiq sly em Sd oxnoesseo oDujeuosiq sry Aem z Power Power supply l supply Outdoor Outdoor unit unit 6 Nome for 1 way discharge cassette YH type 091 Microcomputer operation LED Filter Option error input EEPROM MCC 1402 078 gos COMPONEN rau 30 Ie m eee C318 L301 R420 aan CN310 DC fan output pi w 099 OE C307 F 302 d OS A a Ge ae PES MEE El T TI Sui R423 R422 R421 IC340 L o R301 ei S Da f al HE o 2 o IC341 a 2 j T l o T E t L J DI T T T e o L J 5 C303 C301 ESO 2 D HE ear a C322 7 Mesi I o a gt pan
229. rection for the displayed indoor unit If there is no display all the indoor units can be operated collectively UNIT e F or every push of the button the display alters between units as shown in the figure a display Unit No 1 1 Unit No 1 2 1 way Air Discharge Cassette Type SE We Adjustment of air flow direction upwards downwards In Cooling operation In cooling operation use the air outlet louver with a horizontal set point so that the cold air diffuses the whole room In Heating operation For Heat pump model only In heating operation use the air outlet louver with a downwards set point so that the hot air is directed towards the floor Adjustment of air flow direction rightwards leftwards To change the discharge direction to right or left side set the vertical grille inside of the air outlet louver to the desired direction Setup the air flow direction and swinging function Refer to the description of the 2 way Air Discharge Cassette Type Under Ceiling Type e While the air conditioner is not in operation the horizontal louver Up Down air direction adjustment plate will automatically point upwards e When the air conditioner is in ready status for heating the horizontal louver Up Down air direction adjustment plate will points upwards The swinging operation will begin after the heating ready status has been cleared Please note the SWING _ symbol will still be dis
230. rectly inside of the plastic frame Close the air inlet grille If the F ILTER lamp on the indoor unit is displayed press the F ILTER button on the remote controller or the TEMPORARY button on the indoor unit This will turn the light off eme ee EE ele te EE Filter holder Cleaning the air inlet grille 1 Remove the air inlet grille Hold the two sides of the air inlet grille and open upwards Move the center arm to the left and remove the grille 2 Wash the grille with water using a soft sponge or towel Do not use metallic scrubbing brush or other hard brushes Use of such hard objects will cause scratches on the surface of the grille and the metal coating to peel off f very dirty clean the air inlet grille with a neutral detergent for kitchen use and rinse off with water 3 Dry the inlet grille ensuring no water is left 4 F it the left and right arms of the air inlet grille to the shafts on the two sides of the air conditioner and push in completely Then push in the center arm 5 Check that the center arm has been completely inserted and then close the air inlet grille Push the arrow locations four at the bottom of the air inlet grille to check whether the grill is completely closed Cleaning of the main unit remote controller CAUTION Wipe them with a soft and dry cloth A cloth dampened with cold water may be used on the indoor unit if it is ver
231. reset If an abnormal status is still present upon restart the check code will be displayed again on the remote controller Operation 1 Based upon the operation command received from the Concealed Duct High select remote controller or central controller the operation mode is Static Pressure type air selected conditioner cannot operate Room temp 1 Set point temperature adjustment range on remote controller control C E All cooling All heating Wired type 18 to 29 C 18 to 29 C Wireless type 18 to 30 C 16 to 30 C 2 The set point temperature in heating operation can be offset using item code DN 06 Setup data MAMA AA Heating suction temperature Setup at shipment Automatic 1 The difference between the temperature reading taken from capacity the Ta room sensor and the Ts set point selected on the control remote controller is used to determine the demand frequency to the outdoor unit Air volume 1 The remote controller is used to select the modes HIGH HH gt H gt H gt contro HH MED M LOW L or AUTO L gt L gt LL 2 The difference between the temperature reading taken from the Ta room sensor and the Ts set point selected is used to control the air volume setting when in AUTO mode 55 Mel Mem Outline of specifications Remarks Prevention of 1 In all heating operation the upper limit of the fan tap is set by cold air one with higher temperature
232. ress of the central control system Check the network adaptor on the indoor P C board Are two or more central control system with identical network addresses connected Service I F P C board for the outdoor unit is common to all outdoor units The service I F P C board will need to be set up for the correct model based upon the faulty I F P C board which it is replacing Set up the model based upon the I F P C board assembly change procedure Check code Check code name Cause of operation L17 46 Inconsistent models of There are outdoor units on the communication TCC L 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 Check code name Cause of operation L29 CF IPDU quantity error 1 Incorrect model setup in service for I F P C board TCC L AI NET 2 Communication error between IPDU fan IPDU and I F 3 IPDU fan IPDU I F P C board error Bei Mises cue NO Replace outdoor units of other models Auxiliary code Check model name with specified models 01 Comp IPDU error 02 Fan 1 IPDU error 03 Comp Fan 1 IPDU error 04 Fan 2 IPDU error YES 05 Comp Fan 2 IPDU error 06 Fan 1 Fan 2 IPDU error 07 All IPDU error or disconnection of communication line between IPDU I F P C board or outdoor I F P C board error Is the check code L 17 NO
233. riger ating cycle and an injury due to breakage may be caused Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is 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 liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the specified refrigerant If air or others is mixed with the refrigerant abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never 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 ot
234. roller communication circuit error Unit which is not displayed on remote controller If 230V is incorrectly applied to the remote controller terminal the remote controller communication circuit fails Remove FASTON terminal connected to remote controller terminals A B and check the voltage If voltage is not applied replace P C board 15 to 18V usually 9 5 4 In check for No of connected Indoor units after address setup diminished No of connected units displayed There are outdoor indoor units which do not operate in a test operation Status Cause Countermeasures Number of Miswiring of communication line uncon After modification of wiring set up address again and check No of the nected cable Fig 4 connected outdoor units connected is short Adaress setup operation has finisneo without recognition of miswired follower unit Number of connected indoor units is short Miswiring of communication line between indoor units or unconnected cable Fig 5 Address setup operation has finished without recognition of miswired indoor unit After modification of wiring set up address again and check No of the connected indoor units Number of outdoor units connected to group is short in group operation from remote controller Using the main remote controller connected to a group start a test operation specify the unit which does not operate Unit unconnected to group and then check wiring R
235. ronous signal input circuit circuit BUS communication ad ong ue Salas z ad o3esse obueydsig AY Aem sa119S 1 Sd L 118M UBIH Sd Buijs apun edAL puepuels 19ng pajes9uos adAL 949858 9818 y9SIG sly Aem p j9edulo ad ejesse oeDjeuosiq sly Aem p Power Power supply supply e l L N Un U2 Outdoor Outdoor H Indoor Outdoor unit unit U1 U2 communication Outdoor unit Power supply 14220 240V 50Hz 1 220V 60Hz EE HUT 100puJ LL LINDAID TOHLNOJI JO NOLIVENDIANOS LI weibeiq 19019 19 0 1140 100puU GU Indoor unit 1 Network adaptor Option Network adaptor Remote PC board controller communication MCC 1401 circuit Central control X ALNET remote controller Ft communication Option Y circuit In case of Al NETWORK Indoor fan motor Indoor control P C board MCC 1403 Wired remote controller Up to 2 units Weekly timer Function setup Remote controller communication circuit B Remote EEPROM controller communi ation circuit TA sensor CPU TCI sensor E H8 3039 M Driver C2 sensor circuit CJ sensor Float inpu None for Concealed Duct Outside circuit Power supply Outdoor unit Transformer Se L KZ Me Indoor Outdoor U1 U2 communication Outdoor unit Power supply 1 220 240V 50Hz 1 220V 60Hz dl A AA d Max 8 units are connectable 1 1 However in a case t
236. roup control operation YES YES Is the power of NO Check power connection status all indoor units turned on of indoor unit YES YES For a service P C board check outdoor HP setup OK Set up outdoor HP Check indoor address Ee ee al Set up jumper 9 10 11 and 12 Refer How to exchange interface P C board NG Correct indoor address MES Is total capacity of connected Ensure capacity of connected indoor units within 13096 1 indoor units within 130 of outdoor units Check outdoor interface P C board Check code Check code name Cause of operation E19 96 Outdoor units quantity error 1 Misconnection of interconnection cable TCC L AI NET between indoor and outdoor 2 Outdoor I F P C board error Auxiliary code 00 No outdoor unit 02 Two or more outdoor units Are communication lines U1 U2 YES Connect communication line between indoor and outdoor to one unit per 1 system between indoor and outdoor connected to multiple outdoor units NO Is communication line between indoor and NO Connect communication line between indoor outdoor connected to one unit per 1 system and outdoor YES Check I F P C board Reference When the power supply of the outdoor unit is first turned on the check code E19 00 is displayed until the power m 2 o D Q supply of the indoor units are turned on However is not an error When the power supply of the indoor units
237. rvice Check model setup on outdoor I F PC board A ssy for jumper line was not cut ice according to the model AI NET Duplicated central control addresses Indoor All stop Duplicated central control Check central control address addresses Check network adaptor PC board In case of AI NET ech s di Gs o D 900 Unf Ga Check code Detected Error detection ae Outdoor 7 segment display s quoe position Check code name condition Check item position controller Check code Auxiliary code remote controller L29 L29 Comp IPDU error CF I F IPDU quantity error All stop No of IPDU units Check model setup for outdoor I F service PC board Fan 1 IPDU error detected bed power Check connection of UART communication connector Comp Fan 1 IPDU error os turned on Were Check IPDU fan IPDU and I F PC board error Fan 2 IPDU error l Comp Fan 2 IPDU error Note Fan 1 Fan 2 IPDU error UART Universal Asynchronous Receiver Transmitter All IPDU error or communication error between IPDU and I F PC board or outdoor I F PC board error L30 L30 Detected indoor address Indoor Interlock in indoor unit from Corresponding Outside error input BI Outside device is connected to connector CN80 outside unit only stops terminal 1 Check outside device error Detected signal to 2 Check indoor PC board error ee REN B Outside device is not connected to
238. s a master nd and the other as side remote controller remote controller address connector NO Check remote controller P C board Failure gt Replace Check code Check code name Cause of operation E10 CF Communication error Indoor P C board error failure TCC L AI NET in indoor P C board assembly Check power voltage on line 9 Is there any fault on power line Eliminate noise etc NO Check indoor control P C board Failure gt Replace Check code Check code name Cause of operation E12 42 Automatic address start error 1 When indoor automatic address started TCC L AI NET other refrigerant circuit system was setting automatic address Sub code 01 2 When outdoor automatic address started the indoor automatic address was being set Sub code 02 Auxiliary code 01 Communication between indoor and outdoor 02 Communication between outdoor units Are U1 U2 U3 and U4 connectors connected YES Disconnect relay connector Turn on power of of U1 U2 U3 and U4 outdoor unit again Check code Check code name Cause of operation E15 42 No corresponding indoor unit 1 Communication line connection error TCC L AI NET during automatic address between indoor and outdoor 2 Indoor power system error 3 Noise from surrounding devices 4 Power failure 5 Indoor P C board error SEEN NO oo e desi D n Correct communication line YES Is connection of CN40 connect
239. s and supporter 4 Remove wires to fan IPDU Fan motor CN01 CN02 CNO3 CN04 CN804 5 Remove fan IPDU Supporter 4 points CNO4 CNO3 Fan motor lt Assembling gt Assembling by contrary procedure of above 5 gt 1 3 Comp IPDU lt Disassembling gt 1 Stop the unit operation and turn off the a 6 Mr power supply to the unit s g postainidfication A WARNING Never open the cabinet while five minutes after turn off the power supply 2 Remove fan IPDU by procedure 3 2 3 Remove front side wires of comp IPDU Compressor lead wires and high pres sure SW wires 4 Remove fix screws of comp IPDU For heat sink and for P C board fixing 5 Slide out comp IPDU to front side Note Slide little hard for sealing cement of heat sink 6 Remove wires from comp IPDU to other parts LIVE NEUTRAL CAPA CAPA 7 Remove other wires lt Assembling gt Assembling by contrary procedure of above 7 1 Ah CAUTION e Fix it to IPDU after letting LIVE wiring pass to ACCT current sensor e After IPDU applies silicon grease to a contact surface with a heat sink uniformly fix it to a heat sink firmly with a screw 172 Pert name Procedure BEES How to remove Disassembling electric parts box Continued 1 Stop the unit operation and turn off the power supply to the unit 4 Noise filter electrolytic A WARNING capacitor transformer Never open the cabinet while five minutes
240. s box 1 I F PC board Remove reactor assembly un 4 x 10 5 pcs CAUTION Take care Too much heavy 9 kg 11 Close I F P C board Supporter 12 Remove the fix screw of box Screw Q4 x 10 4 pcs 13 Lift upper side and remove from partition board Hanged on partition board lt Assembling gt Assembling by contrary procedure of above 13 gt 1 lt Disassembling gt PMV coll Pressure sensor CD ensor 1 Stop the unit operation and turn off the power supply to the unit A WARNING Never open the cabinet while five minutes after turn off the power supply Ala A m Wi a DU sii Te beg 2 Le T E F ASS D 2 Remove front cabinet Screw O4 x 10 3 pcs 3 Remove wires to I F P C board 2 way valve coil 4 way valve coil heater comp thermo PMV coil sensor transformer lead wires power supply Ou p wires to I F Heater 0 de 4 Remove I F P C board 4 way valve coil Comp thermo Supporter 6 points lt Assembling gt Assembling by contrary procedure of above 4 gt 1 171 Pert name Procedure e How to remove lt Disassembling gt electric parts box 1 Stop the unit operation and turn off the Continued power supply to the unit 2 Fan IPDU A WARNING Never open the cabinet while five minutes after turn off the power supply 2 Remove front cabinet Screw 4 x 10 3 pcs 3 Open I F PC board on the slant Screw 4 x 8 2 pc
241. se of breakage or injury 4mm hexagonal wrench is required Set the equipment so that liquid refrigerant can be charged When using a cylinder with siphon pipe liquid can be charged without inverting the cylinder Cylinder with siphon Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit JopuiAo jueJeDujeu 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 Environmental concern 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 remaining air Nitrogen etc in the unit If the air remains the pressure in the refrigerating cycle becomes abnormally high and an injury could occur through failure of the product 2nd revised Sep 2006 1 DESIGN METHODS 1 1 System Overview 1 1 1 Outdoor Units somme o e MCY MAPO0401HT MCY MAPO0501HT MCY MAPO0601HT Heat pump 50Hz MCY MAP0401HTZ MCY MAP0501HTZ MCY MAP0601HTZ Model MCY MAP0401HTZG MCY MAP0501HTZG MCY MAP0601HTZG name MCY MAP0401HT2D MCY MAP0501HT2D MCY MAP0601HT2D Heat pump 60Hz MCY MAP0401HT2DZ MCY MAP0501HT2DZ MCY
242. sed for normal operation as equipment damage may occur h WON OFF E 3 Use either COOL or HEAT operation mode for a test operation Note The outdoor unit does not operate for approx 3 minutes After power ON and after operation has stopped Receiver unit Spacer M4 x 25 screw 2 pieces 4 After the test operation finished stop the air conditioner using the wireless remote controller and return the Dip switch to its original setting A 60 minute timing function is designed into the sensor section in order to prevent a continuous test operation 0 bon Notch Nameplate Small screw Wireless remote controller 4 way Air Discharge Cassette type 1 Turn OFF the power to the air conditioner Remove the adjust corner cap and the attached with sensor section from the ceiling panel For removal method follow to the installation instructions attached to the ceiling panel Be careful to handling the sensor section because cables are connected to the sensor Remove the sensor cover from the adjust corner cap 1 screw 2 Change Bit 1 TEST of the switch S003 on the sensor P C board from OFF to ON Mount the sensor cover and attach the adjust corner cap with sensors to the ceiling panel Turn on power of the air conditioner 3 Push AA button of the wireless remote controller and select an operation mode COOL or HEAT with CB button All the display lamps of the wireless remote controller sensor section fla
243. sette type MMU AP0091H to AP0301H MMU AP0071MH to AP0181MH Approx 70 Q to 100 Q P10 Ob Indoor overflow error 1 Float SW operation error MMU AP0361H APOS6H1 Approx 35 to 50 Q p f 1 way Air Discharge Cassette 2 series Concealed Duct Standard Under Ceiling High Wall 1 series TCC L AI NET 2 Drain pump operation error Slim Duct type 15 Q to 35 Q 3 Clogging of drain pipe Check insulation resistance between the cabinet and 1 3 5 Should be 10 MQ or more 4 Indoor P C board error Is resistance value at motor side of fan motor connector CN334 on indoor P C board MCC 1402 correct 2 Replace indoor fan motor Auxiliary code Indoor units address with trouble YES 2 NO C t Check insulation resistance value of fan motor position detective circuit compar dea Is winding 1 Yellow lead to 4 Pink lead opened shorted gt Resistance should be 5kQ to 20kQ D NO Is output of indoor fan motor position detective signal correct 3 Replace indoor fan motor YES 3 Check fan motor position detective signal e 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 gt Turn fan slowly with hands so that pin voltage fluctuates between 0 and 5V e Between 4 and 5 5V Is float SW connector Indoor control P C board CN34 connected normally NO NO Check and correct wiring YES Check indoor P
244. setup Cw 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 8 Then repeat operations in items 6 and 7 9 After setup operation push e button to return to the normal stop status 6 Corresponds to number of the operation diagram of the remote controller In a group operation turn off the power supply once return the group wires between indoor units and CN41 connectors as before and then turn on power of all the indoor units It requires approx 1 minute to operate the remote controller The item code DN is consisted with Z to AA DN No may jump on the way Even if pushing button after changing the data incorrectly the data can be returned to one before change by pushing button before changing the item code DN P C board MCC 1402 P C board MCC 1403 EEPROM IC10 EEPROM layout i o ll EEPROM IC10 is attached to IC socket To remove it use a pair of tweezers etc SC e E To attach EEPROM arrange the direction as shown in the right figures l i EPROM 1010 Align notch directions of IC socket In exchanging time pay attention not to and EEPROM for installation bend the lead wire of IC Ea w Notch IC socket Notch EEPROM 186 Record the contents of the following before exchanging P C boards Item code list on em Mem SeupstshpmenWomfadon o rior sign ing time aga pe OOOO e mme A E by con
245. sh during the test operation Do not use operation mode other than COOL or HEAT Errors are detected as usual S003 Bit 1 OFF gt ON Z when the test operation has finished push button to stop the operation 5 Turn off the power to the air conditioner Sensor cover Change Bit 1 of the switch 8003 on the sensor P C board from ON to OFF Attach the adjust corner cap with sensors to the ceiling panel Adjust corner cap Test operation from outdoor unit Refer to 8 7 2 Function of Start Stop the Indoor Unit from Outdoor Unit in 8 7 Service Support Function NOTE The test operation returns to normal operation after 60 minutes have passed 93 In case of wireless remote controller for Under Ceiling type and 1 way Air Discharge Cassette type 2 Series Turn on power of the air conditioner 1 The operation is not accepted for 5 minutes when power has been turned on at first time after installa tion and 1 minute when power has been turned on at the next time and after After the specified time has passed perform a test operation 2 Push Start Stop button and change the operation mode to COOL or HEAT with Mode button Then change the fan speed to High using Fan button D Test cooling operation Test heating operation Set temperature to 18 C using Temperature set Set temperature to 30 C using Temperature set button button After checking the receiving sound Pi immedia
246. sor Ps sensor output voltage normal Pd sensor Ps sensor error Z O YES YES NO Correct connector connection et NO Is SV2 valve coil correctly connected Are characteristics of d CV2 CN302 TS2 sensor resistance normal Replace TS sensor YES Refer to outdoor unit temperature YES sensor characteristics 3 teste YES Is there any miswiring or wm iisinstallation on TS Sensor Correct miswiring installation Does not discharge YES refrigerant gas bypass to suction side Check and replace 4 way valve and coil NO through 4 way valve NO Check I F P C board NO odd ri Repair SVA circuit YES Coil valve body disconnection of cable etc Refrigerant shortage clogging pipe breakage Check there is no clogging and pipe breakage and then recharge refrigerant GY 4 Check code Check code name Cause of operation P15 AE Gas leak detection Outdoor unit service valve closed TCC L AI NET TD condition Sub code 02 Outdoor PMV error Check code Check code name Cause of operation P19 08 4 way valve operation error 1 4 way valve error TCC L AI NET 2 TS1 sensor TE1 sensor error 3 Pd sensor Ps sensor error 4 TE sensor TL sensor misconnection TD sensor error SV4 circuit error Refrigerant shortage clogging refrigerant circuit Is 4 way valve coil NO Correct connector connection connector connected 4 way valve coil CN317 NO Are service valves
247. splayed in order The numbers in item code indicates item code 01 most recent to 04 Oldest If CL button is pushed all of the error histories of the indoor unit will be deleted After confirmation push e button to return to the usual display 115 In case of central remote controller TCB SC642TLE E DLD LDO D E b GOD 3 45 6 DE O s 8 e T IS MLO 1234 we dae INS EU F C me ses LL GROUP Ca JE DEOBR SI SS a E Ces 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor unit No are displayed on the display section of the remote controller The check code is displayed while the air conditioner operates If the display disappeared operate the air conditioner and check the error based upon the following Confir mation of error history Unit No display Alarm display UNIT No AN Xon Q EE p m Alternate flashing display 7 ILI R C 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 1 Push and buttons in succession for 4 seconds or more 2 SERVICE CHECK goes on and Item code 01 goes on 3 When selecting flash the group number if there is the alarm history the UNIT number and the latest alarm history ar
248. ssure sensor Ps are exchanged TCC L AI NET 2 Output voltage of each sensor is zero It is output voltage error of Pd sensor Check disconnection of connection of connector Pd sensor CN501 circuit Are connection of Pd sensor and Correct connection of connectors and output voltage of sensor Ps sensor connectors correct Pd Sensor CN501 Red If the sensor is normal replace outdoor I F P C board Ps sensor CN500 White YES NO Pd sensor and Ps sensor normal 9 ensor error gt Replace Po sensor and Ps Sensor normal Check code Check code name Cause of operation YES sT Pressure nedeleini EE F29 12 Indoor other error Indoor P C board error 2 Pressure display on 7 segment display TCC L A NET EEROM error 3 Output voltage of I F P C board Are Pd Ps output values Pd gt Ps during compressor operation 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 Check compressor 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 NO If EEPROM was not inserted when power was turned on or it is absolutely impossible to read write EEPROM data the automatic address mode is repeated In this case 97 error is displayed on Al NET central controller TES Value can be confirmed by 7 segment display function on outdoor
249. t All stop Auxiliary code d lock protection error Abnormal current was detected within 30 seconds after start time Compressor 1 All stop Instantaneous over current was detected when compressor started Compressor All stop Position detected was not normal position detection circuit error Indoor Other indoor error Corresponding E07 L07 L03 L08 was detected when other Group follower unit only stops indoor unit in the group was defective unit error Compressor 1 When abnormal refrigerating cycle data was Check item position Error of 4 way valve error Check coil error and connector connection of 4 way valve e 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 Pd pressure sensor 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 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 balan
250. t any position Y lt lt desired If you wish to return the louvre to it original N upwards position press the button again lt SC During the cooling drying operation the horizontal louver will not stop at its most downwards facing position 9 reduce the risk of water dripping but will instead move to the 3rd position from the top as shown in the figure UNIT 4 C_D To set up the air flow direction individually push the Fan Heat Cool Dry C button to display each indoor unit No in a operation operation group control You can then set the air flow direction for the displayed indoor unit e f there is no display all the indoor units can be operated collectively F or every push of the button the display will alter between units as shown in the figure No display Unit No 1 1 Unit No 1 2 Unit No 1 4 ges Unit No 1 3 vb Right Left air direction adjustment To change the air outlet direction to the right or left side set the vertical louver located behind the horizontal louverp to the desired direction INFORMATION e If cooling operation is performed with a downwards dis charge dew may form on surface of the cabinet or the horizontal louver resulting in possible dripping e f heating operation is performed with a horizontal discharge the room temperature may not be equal i e there may be a large variance between one side of the room with the other High Wall Type Adjustment of ai
251. t individual remote controller operations Setting for one of 1 to 4 zones is available Can be used with other central control devices Up to 10 central control devices with in one control circuit Two selectable control modes Central controller mode Remote controller mode Setting of simultaneous ON OFF 3 times for each day of the week combined with a weekly timer Individual control up to 16 indoor units e Setting of simultaneous ON OFF 3 times for each day of the week when combined with a weekly timer e Connected to 2 remote controllers is possible Model e Connected to central Weekly schedule operation remote controller or 1 Setting different start stop time for wired remote controller each day of the week 2 ON OFF can be set 3 times a day OFF ON OFF ON OFF 12 00 13 00 18 00 19 00 21 00 3 CHECK PROGRAM DAY button m copying of settings easy wow fefto iF M LL 4 Two different schedules for a week A can be specified LE Summer schedule and winter schedule etc 5 CANCEL DAY button enables i holiday setting io WE Outdoor unit 6 If power supply fails the setting K contents are stored in the memory for 100 hours Central remote controller RBC EXW21E2 Zeen o E Ce KE 16 B Remote controllers Name Wired remote controller Simple wired r
252. t interconnection cable of remote controllers A B normal remote controller This error is detected when the indoor unit cannot receive a signal from the remote controller Check communication wiring of the remote controllers A and B As communication is impossible this fault code E03 is not displayed on the main remote controller It is displayed on TCC LINK central controller YES e dere dio ET OF vee one Check code Check code name Cause of operation iced E ue and check circuit cabling E04 04 Indoor Outdoor 1 Power of outdoor unit was firstly turned on TCC L AI NET communication circuit error 2 Connection error of communication line NO Detected at indoor side between indoor and outdoor 3 Terminal resistance setup error on outdoor unit 4 Address setup error NO Is a group control operation YES NO Check power connection status of NO T Is power of each indoor unit turned on Was power turned on in order Turn on power again in order of indoor unit Turn on power again of indoor unit gt outdoor unit indoor unit gt outdoor unit YES YES Is power applied to remote controller NO Check indoor P C board ls connection U1 U2 terminals of NO AB terminals Approx DC18V Def Repl i i PP EE indoor outdoor interconnection cable normal Correct interconnection cable YES YES Are two remote controllers used YES Change one to main other to sub without the correct identification R
253. t of which address is to be cleared in the refrigerant line SWO01 SW02 SWO03 SW04 Address which can be cleared 6 After checking that A d buS is displayed on 7 degment display and then push SW04 for 5 seconds or more 3 Cancel of line selection 5 7 After checking that A d nEt is displayed on 7 degment To finish the set display and then push SW04 for 5 seconds or more 3 After A d c L has been displayed on 7 degment display return SW01 SW02 SW03 to 1 1 1 Operation procedure l Ga We l l 4 When the address clearing has correctly finished U 1 L08 is displayed on 7 degment display after a while Here if the unit No is not called up the outdoor unit in this line does not exist 1 gt 2 gt 3 545 If A d n G is displayed on 7 degment display there is a possibility which is connected with the other Push button and then select a line according to 5 6 7 8 End refrigerant line Check again the relay connector between U1U2 and U3U4 terminals procedure 4 CS E Ss n NOTE Be careful that the other refrigerant line address may be also cleared if clearing operation is not correctly executed 5 After clearing of the address set up an address again 88 In case of increase the address undefined indoor units Extension etc If set up the indoor address of which address is undefined accompanied with extension of indoor units replace ment o
254. tdoor Unit Positions to be checked on the interface P C board MCC 1429 CNO3 backup CNO1 For control wiring between indoor and outdoor units Pressure sensor Ps Pressure sensor Pd CNO1 backup UART eee input output 0B ED TEST AREA Y E laz Jumper select A E Sensor input TD CN502 TE CN505 TL CN521 TS CN504 SW4 i CN311 TO CN507 SV5 CN310 SV2 5V CN312 GND 12V 3 3V Connection of power supply transformer CN100 Option input output CN511 Dina doctor connecting terminal CN800 For transformer power supply CN401 402 Case heater 1 Accumulator heater For expansion BUS power supply CN325 4 way valve E ae i inpu SWO06 to 14 NA Comp case thermo input j SW01 02 03 CN305 SW04 05 15 7 segment LED 164 Inverter P C board MCC 1535 IPDU1 Electrolytic condenser Between fan IPDU and comp IPDU Electrolytic condenser Communication between I F and comp IPDU e Reactor 5V Reactor Compressor out put 165 Fan P C board MCC 1531 Fan IPDU 5V 12V Fan 2 out put P DC15V in put DC320V in put en out put Noise filter P C board MCC 1551 sl MCC1551 01 AA COMPONENT SIDE HAR i3 zevoil Olea Po CERO 166 1st revised Jun 2006 11 2 1 Outdoor Interface P C Board Dip switch function exchange setup list Initial setup at shipment Part type Exchange contents SW01 Rotary SW 4bit 16 step Display Operation switch
255. ted to open the PMV fully Confirm that Bit 1 of SW12 is OFF Note The PMV opening by using short CN30 returns the PMV to fully closed after 2 minutes To continue the fully open status turn off the power supply of the outdoor unit within 2 minutes after using short CN30 178 Ma Partneme Procedure Fem 000 Liqui k iquid tan A CAUTION i Wear protective clothing on your hands a SMS as other components may cause injury 4 LB etc E X Hi F lt Disassembling gt 1 Stop unit operation and turn off power Wi E d 7 supply to unit i h a gt A WARNING KS i Never open the cabinet while five minutes V h after turn off the power supply V L i Fa 2 Remove Inverter assembly by procedure 2 7 w Lea d de 3 Recover refrigerant Sec ei 4 Remove TL sensor at one pipe of Liquid 7 tank 5 Take off pipes to Liquid tank by re welding SS 6 Remove Screws and carry up Liquid tank to A Ki E upper side Screw M5 2 pcs L le OP Note Re transform pipes of Liquid tank for i carry out F Take care for crashing pipes f lt Assembling gt Assembling by contrary procedure of above 6 gt 1 e After completion of the repair work perform vacuuming of the outdoor unit using the following procedure Procedure Short CN30 on the interface P C board on the outdoor unit for which the repair work has been completed to open the PMV fully Confirm that Bit 1 of SW12 is OFF
256. ted indoor unit operates and also starts swinging in a model with flap 3 Using temperature setup Cy CA buttons the item code DN can be moved up down one by one 3 Corresponds to number of the operation diagram of the remote controller 4 First change the item code DN from ZU gt Z 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 Cw CA 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 The item code DN is consisted with Z to AA DN No may jump on the way DN Contents 7 When noting has finished push button to Xp l Type and capacity of t to th st tat 6 RES Indoor unit capacity the indoor unit are return to the normal stop Status 12 necessary to set up Corresponds to number of the operation diagram EN the revolution of the remote controller Indoor address frequency of the fan It requires approx 1 minute to operate the remote Group address controller Item code necessary at minimum lt Remote controller operation diagram gt w O Ln Q 184 Procedure 2 Exchange of P C board for service 1 Exchange PC board with a PC board for service In this time the jumper line cut setup or the short circuit
257. tely After checking the receiving sound Pi immediately push Temperature set button to set to 19 C push Temperature set button to set to 29 C After checking the receiving sound Pi immediately After checking the receiving sound Pi immediately push Temperature set button to set to 18 C push Temperature set button to set to 30 C Then repeat the procedure d 5 5 4 5 After approx 10 seconds all the display lamps on the sensor part of wireless remote controller Opera tion Green Timer Green and Ready Yellow flash and the air conditioner starts operation If the lamps do not flash repeat the procedure 2 and after After the test operation push Start Stop button to stop the operation Outline of test operation from the wireless remote controller Test cooling operation Start gt 18 C gt 19 C gt 18 C gt 19 C gt 18 C gt 19 C gt 18 C gt Test operation Stop Test heating operation Start gt 30 C gt 29 C gt 30 C gt 29 C gt 30 C gt 29 C gt 30 C gt Test operation Stop Be sure to set the air speed to High 5 Lei 3 4 5 6 VIO ORO PL d 94 2 Test operation START nu LU Refer to Test operation procedure of Test operation for one indoor unit a YES O ii SS NO The operation does not start approx 3 minutes peration Star after power ON or after operation stopped YES NOTE After power ON it may require Max
258. the Compact 4 way Cassette type MMU AP0071MH and MMU AP0181MH models 1X2 Icd DE KI Ns 2 Louvermotor Drain pump motor WHITE GRY GRAY Float switch YELLOW PNK PINK i BLUE ORN ORANGE 2 4 Leen J Drain control relay BROWN GPN GREEN Wired remote Adaptor for wireless PMV Pulse Motor Valve controller remote controller 900z das 6 Color RED WHI YEL BLU BLK GRY PNK ORN BRW GRN indication RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE BROWN GREEN Flow selector unit earth screw 6 Closed end Indoor unit Y Y LZ IZ a Earth screw WIN A Power supply Single phase 220 240V 50Hz 220V 60Hz connector O FS Sl ZN N CN304 P 4 GRY 90 Li CNO66 O Power supply WHI 2 CNO44 1 CNO40 CNO41 H Z circuit S N N N N BRW 27 BLU BLU 0009 00000 009 NI A Le UN Y Ny ZN ZI o A NI ZN Een IN oy adc wei NA W IN Le IN gt A IN e Y A VN aN on W N eN AN 21341516 CNO2 ka A i eh AGD DDD Ce Mlet eege oe ee P P EE EC d Sub PC board i 1 ot MCC 1520 Line Filter i i i i Lem tem PO DTO Lee Da A IZ WA VINE NA S yy Network 999990 SE DUAL e ar We NS DN i ZN S lt Z IN WHI 1 2 Option CAE Seg I BLU MCC 1401 1 O indicates the terminal block le
259. the above change push button to confirm the changed contents Operation procedure amp it it is acceptable push 5 button to finish 23345 confirmation A D 7 8 End 28 e To change all the indoor addresses from an arbitrary wired remote controller When the setup operation with automatic address has finished this change is available Contents Using an arbitrary wired remote controller the indoor unit address can be changed for each same Method 1 refrigerant line Change the address in the address check change mode lt Procedure gt Operation while air conditioner stops Clearance of address Return to status Address undecided at shipment from factory An address is individually cleared from a wired remote controller 0099 is set up to line address indoor address and group address data from the remote controller For the setup procedure refer to the abovementioned address setup from the remote controller TEST D 7 Push the timer time Dm cL buttons simultaneously for 4 seconds or more Method 2 EE EES Clear the indoor addresses in the same refrigerant line from the outdoor unit 2 Using LL UNIT SWNSFX buttons select the line address 1 Turn off the power of the refrigerant line to be returned to the status at shipment and change the outdoor j unit to the following status 3 Push 5 button 1 Remove the relay connector between U 1U2 and U3U4 e The SE unit address which is connected
260. the command frequency becomes SO to the outdoor unit n N zone the timer count is interrupted and held e When shifting to M zone again the timer count restarts and continues e If L zone is detected the timer is cleared and the opera tion returns to normal operation Reset conditions 1 TC1 gt 12 C and TC2 gt 12 C and TCJ gt 12 C 2 30 minutes passed after stop C 7 x In a Model without TC2 TC is not judged 96 Recovery control for cooling refrigerant and oil Recovery control for heating refrigerant and oil Short intermittent operation compensation control Drain pump control Elimination of remaining heat Auto louver control Filter sign display None in wireless type Provided in the separately laid type TCB AX21E 1st revised Jun 2006 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 e Recovery operation is usually executed every 3 hours e In the indoor unit which thermostat is OFF or operates in FAN mode Q lamp goes on e Recovery operation is usually executed every 1 hour The indoor unit which stops operation thermostat is OFF o
261. ton is used to check the units operation During normal operation do not use this button 4 Fan 25 button disappear The Ca button is used when a fan which is 9 Operation select button sold on the market is connected If 7 is displayed on the remote controller when pushing the 5 button a fan is not connected Selects the desired operation mode 1 Oset up temperature button Adjusts the room temperature Set the desired set temperature by pushing the Cw or CA buttons 5 Filter reset button Resets Erases the F ILTERE display 6 Air flow direction and Swing function UNIT OPTION If there are multiple indoor units that are con trolled by a single remote controller simply select Remote controller sensor each unit in turn for which you wish to adjust the In normal installations the temperature of the room air flow direction is sensed by a temperature sensor on the indoor unit However it is possible to have the sensor within your remote controller F or further details please contact your local dealer louver n cases where one remote controller controls the This function is not provided on the Concealed multiple indoor units the setup operation is Duct Standard Type High Static Pressure Type unavailable in group control F loor standing Cabinet Type F loor Standing Concealed Type or Slim Duct Type SWINGIFIX CED Set up the auto swing and the angle of the tion and OF
262. tter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board Outdoor unit S Remote controller CNO75 CNO61 WHI YEL Zl 6 1 2 3 4 5 6 D D S vg ANAND A LM Y NN WAN FS Le we Ne NI GAN H Kl men HAS 2X3 CNO30__ 11213 Indoor control P C board CN032 WHI an drive FM RC TR LM TA FS DM Symbol e DN PMV CNO60 Tova PMV 6 BLU AY 5X6 CNO82 VN CN104 4101 YEL aor IO PININ TA cn10241 1 RED Payot aa bt TC CN101 AA BLK PL ago OL CN100 o qum BRW Ers eno CNO080 Fa GAN J2 PNL CN073 EL aes PX EXCT CN070 A 1Y 1 WHI CNO081 BLK WHI d NINA Tele ek Option Parts name Fan motor Running capacitor Transformer Louver motor Indoor temp sensor Temp sensor Louver control relay Drain control relay Heater control relay Fan motor control relay Float switch Drain pump motor Pulse Motor Valve HMLI8tOdV HMLOEOAV HMLZZOAV HMILbHZOAV NININ HML8LOdV HMESLOdV HMLZLOdV HML600AV HMLZOOdV NININ I POIN ed 911955 eDueuosiq AY BM Z Z 1 Z 0c 0D D Ken De FS 3X3 Q m SSA 4X4 2X NI Gen Y A PS fe KC ER ER WER IN 4 Mo 211 6431 1215 ee ae NN A KA E dd A RC EXE LM Y NY NY N FS Y NY WaW N pen VW NI PMV GRN MAAS meo HASS BLU No33 1X23 NO30 1 T2 34 56 CNO
263. tus and stop status When pushing the e and e buttons at the same time for 4 seconds or more the following display will appear If Service check is displayed the mode enters into the error history mode 01 Order of error history is displayed in CODE No window Check code is displayed in CHECK window e Indoor unit address in which the error has occurred is displayed in UNIT No DON OFF FAN MODE C SWING FIX CL FILTER RESET TEST EY UNIT F or every push of the w A button the error history stored in memory is displayed in order The numbers in CODE No indicate CODE No 01 latest gt 04 oldest Do not push the C5 button because all the error history of the indoor unit will be deleted 3 After confirmation push the A button to return to the normal display 1 Check the error codes according to the above procedure 2 Ask an authorized dealer or qualified service maintenance professional to repair or maintain the air conditioner 3 More details of the service codes are explained in the Service Manual 2nd revised Sep 2006 4 REFRIGERANT PIPING SYSTEMATIC DRAWING 4 1 Refrigerant Cycle Diagram Model MCY MAP0401 HT HTZ HTZG MCY MAPO0501 HT HTZ HTZG MCY MAPO0601 HT HTZ HTZG MCY MAP0401HT2D HT2DZ HT2DZG MCY MAP0501HT2D HT2DZ HT2DZG MCY MAP0601HT2D HT2DZ HT2DZG m e zm zm zm
264. tween central control indoor and system outdoor REQUIREMENT e When a group control is performed over the multiple refrigerant lines be sure to turn on the power supplies of all the indoor units connected in a group at the time of address setup If turning on the power for each refrigerant line to set up address a header indoor unit is set for each line Therefore an alarm code L03 Duplicated header indoor units is output in operation after address setup In this case change the group address from the wired remote controller for only one outdoor unit is set up Address setup procedure 2 1 Using SW13 and 14 on the interface PC board of the outdoor unit in each system set up the address for each system At shipment from factory Set to Address 1 Note Be careful not to duplicate addresses with the other refrigerant line Cabling systematic diagram Line address switch on outdoor interface P C board Line address NINE OCT III ii i ool Eid ll klech SES s a d KR ck x XA sch E x A Line address N N NIN AIC SWO06 O Switch ON x Switch OFF Is not used for setup of system address Do not change setup 2 Check that the relay connectors between U1 U2 and U3 U4 terminals are not connected in all the outdoor units to which the central control is connected At shipment from factory Connector not connected 3 Turn on po
265. ually contains Vacuum the malfunctioning outdoor unit 800 to 1500 cc of oil Install compressor Charge the refrigerant END 12 2 Replacing Compressor Vacuuming In case of single outdoor system Connect vacuum pump to the valve charge ports on the liquid and gas then vacuum e Vacuum until the vacuum low pressure gauge indicates 1 mmHg Note e Before vacuuming open PMV fully Vacuuming of the outdoor heat exchanger will not occur if PMV is closed Full opening of PMV e Turn on the power to the outdoor unit e Confirm that Bit 1 on SW12 is OFF e Short CN30 on I F P C board on the outdoor unit e Turn off the power to the outdoor unit within 2 minutes of short circuiting 168 13 REPLACING PROCEDURE OF PARTS CCT CT Femme 1 Cabinets and others Ah CAUTION Wear protective clothing on your hands as other components may cause injury etc lt Disassembling gt 1 Stop unit operation and turn off power supply to unit 2 Remove Front cabinet Screw 4 x 10 3 pcs Note Slide to downward for unhook the hooking tab 3 Remove Upper plate Screw 4 x 10 6 pcs 4 Remove Piping panel Front and Rear Screw O4 x 10 6pcs 5 Remove Side cabinet Screw O4 x 10 8pcs Note Hooked to hooking tab of Inverter plate 6 Remove Reactor box Note Refer to 2 4 Reactor 7 Remove Outlet cabinet Assembling Assembling by contrary procedure of above 7 gt 1 169 Up
266. uded in the electric parts box Clip The clip is to open close the de E Air inlet grille air inlet grille Air in the room is sucked from here MMU AP0071MH AP0091MH AP0121MH AP0151MH AP0181MH Earth screw Air outlet Air outlet louver It is included in the electric Select air blow direction in cooling or parts box heating operation each gt Air filter Removes dust and trash Clip Air filter is provided in the air grille The clip is to open close the Air inlet grille air inlet grille Air in the room is sucked from here 2 way Air Discharge Cassette Type Earth screw It is included in the electric parts box Air outlet Air outlet louver Select air blow direction in cooling or heating operation each E Air filter Removes dust and trash Air filter is provided in the center panel Center panel Air inlet Air in the room is sucked from here Wired remote controller Ax o A Lnd c o o O E D A o D gt 2 Q E o Wireless remote controller kit RBC AMT31E RBC AS21E2 RBC AX21U W E2 RBC AX22CE2 TCB AX21E2 Sold Separately Parts DON OFF MODE r i CH CB TIMER SET FAN 2 TIME SWING FIX wm OD CH Cad RESE
267. uit system without resetting the power supply gt Restart of error detection Errors in both outdoor and indoor units are once cleared Set the rotary switches on the interface P C board of the 7 segment display outdoor unit to the following setting A SW01 2 SWO2 16 SW03 1 Er Push the push switch SW04 on the interface P C board of the outdoor unit for 5 seconds or more C L is displayed in 7 segment display B on the P C board 7 segment display for 5 seconds and the error is completely cleared A B Er CL 3 Clearing of error check code by power reset This function is provided to clear error in a refrigerant circuit system by resetting the power of all the outdoor and the indoor units gt Restart of error detection As same as the clearing method on the interface P C board errors of both the outdoor and the indoor units are once cleared Method Be sure to reset power of both the outdoor and the indoor units NOTE After power reset it requires usually 3 minutes to power on due to the initial communication of the system In same cases it requires Max 10 minutes 102 9 7 3 Remote Controller Distinction Function This function is provided to distinguish the remote controller connected from the outdoor unit to the indoor unit for a refrigerant circuit system using switches on the interface P C board of the outdoor unit Distinction procedure Power ON L Be sur
268. unication error between indoor and remote indoor controller Detected at indoor side Communication circuit error between indoor outdoor indoor Detected at indoor side Decrease of No of indoor units No of indoor units in which E06 E06 sensor has been normally Detected at outdoor side Communication error between indoor MCU Automatic address start error ere 7 7 4 4 E08 E08 Duplicated indoor addresses Eo c 2 2 2 0 0 C 9 101 Indoor Outdoor E12 E12 GE i 102 Communication between outdoor units 4 Dmm En 00 Capacity over 01 No of connected units 00 Header is nothing E19 E19 02 Two or more header units NEM 01 Outdoor of other line connected GE Ge 02 Indoor of other line connected IPDU1 error IPDU2 error IPDU1 2 error E31 Fan IPDU error CF IPDU Fan IPDU error IPDU2 Fan IPDU error 07 All IPDU error Indoor is nothing during automatic addressing apacity over No of connected indoor units C Communication error between indoor units Indoor Outdoor units quantity error Other line connected during automatic address I F Sending error in communication Duplicated outdoor addresses IPDU communication error VF A cy mh mh h 1st revised Jun 2006 Check code Wireless remote controller Sensor block display Wired Outdoor 7 segment display remote zoraiemengm AI NET central GE c
269. unit is provided to one sending error seconds or more refrigerant line Be sure to check there is no Comp IPDU error Fan 1 IPDU error Comp Fan 1 IPDU error Fan 2 IPDU error Comp Fan 2 IPDU error ech ELA di Gs o D Fan 1 Fan 2 IPDU error All IPDU error or communication error between IPDU and I F PC board or outdoor I F PC board error 900 Unf da Check code Wired Outdoor 7 segment display AI NET Geen remote central control controller Check code Auxiliary code remote controller i Bl tom Bl F06 F06 F07 F07 i i NNN i A 8 F12 F12 0t TS VF oO CE Check code Indoor TCJ sensor error Indoor TC2 sensor error Indoor TC1 sensor error TD1 sensor TL sensor error TO sensor error Indoor TA sensor error TS1 sensor error Outdoor temp sensor miscabling TE1 TL miscabling Pd Ps Corresponding unit only stops Corresponding unit only stops Corresponding unit only stops Corresponding unit only stops All stop 15 18 All stop All stop Error detection condition Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short Resistanc
270. urs The recovery period lasts for approximately 2 or 3 minutes Recovery lasts for though this is dependant on the system capacity approximately 2 or 3 2 Refrigerant recovery control in heating room minutes though this is This function is executed regularly to recover the liquid Ap Sech the refrigerant from the indoor unit Se It is also used to recover oil present in the outdoor heat exchanger during the heating overload operation except during defrost operation 1 Heating operation oil recovery control is executed approximately every hour 2 The period of recovery lasts for approximately 2 to 10 minutes though this is dependent upon the load condition 99 1st revised Jun 2006 COC ACE Defrost control 1 Defrost start condition During the defrost Reverse cycle The defrost function is initiated when the measurement operation all solenoid defrost method temperature taken from the TE sensor is lower than 1 C for 4 way valves are OFF a period of 25 minutes after compressor initial start up and 55 and all compressors minutes after subsequent start ups are operating 2 Contents of control e If the outdoor units are combined the minimum duration for the defrost operation is 2 minutes 3 Defrost stop condition The outdoor fan speed and compressor inverter frequency are determined by the measurement of Pd pressure during defrost operation Solenoid valve 1 SV2 gas balance control control This
271. ves dirt or dust Earth screw AA It is prepared in the electric parts box Drain pan Water accumulated in the drain pan is drained from here through the drain pipe 9 Ue Fixing metal holder Right and left 3 7 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 displayed When turning on the leak breaker for 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 After the SET DATA display has disappeared you may use the remote controller Display section Ma TIMER SET FAN MODE d D CD Ce Operation TIME SWING FIX VENT i n FILTER WITO ce sectio RESET TEST SET CL UNIT lOO CD C WU E 17 16 13 14 1 2PRE HEAT display for Heat pump model only Displayed when the heating operation starts or a defrost operation is carried out While this indication is displayed the indoor fan will stop or will go into LOW mode SET DATA display Displayed during the setup of the timer Operation mode select display The selected operation mode is displayed CHECK display Displayed while the protective device works or a fault error occurs 1 Soperation ready display Displayed when cooling or heating operation is impossible
272. w 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 Display in wired remote controller is di regen f entral control system error e UNIT No Check code Operation lamp Green flash Display on sensor part in wireless remote controller E ere e Block display of combination of O O el Compressor protective system error Display on 7 segment in outdoor unit e Unit No and check code are displayed Setup error Other errors Ina case of error with auxiliary code the check code and the CA Protective device operation auxiliary code are displayed alternately 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 and Al NET central control remote controller Example Indoor TA sensor error AI NETWORK BUS AI NET central control Wired remote controller remote controller 2 The check code of the remote controller is displayed only while the air conditioner is operating remote controller start button ON When the air conditioner has stopped and the error has been cleared the check code display on the remote controller also disappears However if the
273. wer of indoor outdoor In order of indoor outdoor 4 After approx 1 minute check that 7 segment display is U 1 L08 U 1 flash on the interface P C board of the outdoor unit 5 Push SW15 to start the setup of automatic addressing Max 10 minutes for 1 line Usually approx 5 minutes 6 When the count Auto 1 gt Auto 2 gt Auto 3 is displayed in 7 segment display section and it changes from U 1 U 1 flash to U 1 U 1 light the setup finished 7 Procedure 4 to 6 are repeated in other refrigerant lines For internal wiring between indoor and outdoor SW10 x For wiring of central control system Group control over multiple refrigerant lines SWO7 SW08 SWO9 olx of DNS x ech 2 s o D Q 900 lt unt S8 8 When address setup has finished in all the sysem turn off Manual address setup from remote controller SW30 2 on the interfase P C boards of the lines connected to Outdoor unit interface P C board Manual address setup from remote controller the identical central control except a line with least line address number Terminator resistors of the wires in the central control line of indoor outdoor are unified 9 Connect the relay connector between U1U2 and U3U4 controller set to 1 by 1 terminals of the outdoor unit for each refrigerant line 123412341234 123 4 ii lll ll ll ll o a
274. with a horizontal discharge the room temperature may not be equal i e there may be a large variance between one side of the room with the other Do not move the horizontal louver directly with your hands otherwise a fault maybe caused Select the direction of the horizontal louver using the louver operation switch on the remote controller The horizontal louver will not stop immediately even if the switch is pushed Note Pushing the switch again when the required louver direction has been reached will stop the louver 2 way Air Discharge Cassette Type In Cooling operation Use the air outlet louver with a horizontal set point In Heating operation For Heat pump model only Use the air outlet louver with a downwards set point Setup of air flow direction and swinging function 1 Push the button during operation SWING _ is displayed and the air flow direction will automatically change either upwards downwards In the case of one remote controller that controls multiple indoor units each indoor unit can be selected and its air flow direction can be adjusted 2 Push the button again during the swinging of ETEME DON OFF the air outlet louver e i i 1 Tr FAN MODE The air outlet louver will be stopped at the desired position Ce To set up the air flow direction individually push the Y RESET TEST button to display each indoor unit No in a group control DO You can then set the air flow di
275. y dirty Never use a damp cloth on the main unit and the remote controller Do not use or leave a chemically treated duster on the unit for long periods of time as it may damage or alter the colour of the unit surface Do not use benzine thinner polishing powder or similar solvents for cleaning These may cause the plastic surface to crack or deform Do not use 8r If you do not plan to use the unit for more than 1 month 1 Operate the fan for 3 to 4 hours to dry the inside of the unit Operate F ANmode 2 Stop the air conditioner and turn off the main power supply or the circuit breaker Checks before operation 1 Check that the air filters are installed 2 Check that the air outlet or inlet is not blocked 3 Turn on the main power switch or the circuit breaker for the main power supply to the air conditioner Use after drying when it has not been used for a long time F or Air conditioning system which is operated regularly cleaning and maintenance of the indoor outdoor units are strongly recommended As a general rule if an indoor unit is operated for about 8 hours daily the indoor outdoor units will need to be cleaned at least once every 3 months This cleaning and maintenance shall be carried out by a quali fied person F ailure to clean the indoor outdoor units regularly will result in poor performance icing water leakage and even compressor failure HINTS FOR ECONOMICAL OP
276. y 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 a buttons set up the type 4 Corresponds to number of the operation diagram of the remote controller For example 0001 indicates 4 way Air Discharge Cassette type Refer to the attached table 3 Push 5 button OK if display goes on Corresponds to number of the operation diagram of the remote controller 4 Using temperature setup Cy Ca buttons set to the item code DN 5 Using the timer time a buttons set up the capacity code For example 0012 indicates 027 type Refer to the attached table 6 Push C5 button OK if display goes on 7 Push button to return to the normal stop status 4 In the next the contents such as address setup which were set up at the local site after installation are written in EEPROM Execute again the operation in the above item 1 5 Using temperature setup y Ca buttons set Z to the item code DN Lighting time setup for filter sign 6 Compare the contents of the setup data which is displayed in this time with contents noted in a memo in Procedure 1 and customer s information 1 If data is incorrect change it using the timer time a buttons so that it matches with contents noted in SET a memo and then push button OK if display goes on 2 Do nothing if data is same as those in the memo 7 Using temperature
277. z 14220V 60Hz L i ge Indoor Outdoor communication Power circuit circuit Weekly timer driver Wireless remote controller kit Remote controller DC5V Sensor circuit ad ong WIS Salas z ad y sses ahueyosig uly Aem sa119S 1 ed L eM UBIH Sd Pumpe apun edAL puepuels 19ng pajes9uos adAL 949858 92818 y9SIG sly Aem p j9edulo ad ejesse oeDjeuosiq sly Aem p Power Power supply supply Outdoor Outdoor Max 8 units are connectable 1 unit unit 1 However in a case that the network adaptor is installed maximum 7 units are connectable 2 The network adaptor is installed to only one unit 3 The weekly timer cannot be connected to the simple wired remote controller 4 Nome for high wall spearate sold parts for under ceiling HM 19 01 UOO 91OUIO94 SS9 9JIA pue 19 011U09 3JOUISA YLOQ JO UOIJIBUUOS E DL In case of AI NETWORK Wired remote controller Weekly timer driver Function setup Remote controller Secondar communication n batter y circuit Indoor unit 1 Network adaptor Option Network Zeen i adaptor emote PC board controller Remote MCC 1401 Communication WS Wireless remote circuit GE controller kit Indoor control P C board MCC 1403 circuit remote controller PH wat LI ceu r Option Y communication 8 3687 controler communication circuit 6 ci

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