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VRF Slim Duct and High Static Service Manual

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1. lt s D 99 3 au ET 5 2 Unit external dimension 33 3 845 ai H 8 m Y m I Ceiling bottom lt te N surface I Te Gi z l Drain up standing up size u SA d for the drain disch rt of thi x x S Is used for the drain discharge port of the 6 0 8 Air discharge flange outside main unit the vinyl chlor paste cannot be used 20 31 7 805 0 8 20 oo hose Band fix included in the I Refrigerant pipe connecting port 4 1 103 1 4 6 4 Liquid side Em 7 qo Refrigerant pipe EN 5 connecting port M C ee 58 3 8 9 5 Gas side gt lt LO o 8 N Zal E D nc 9 U 3 2 5 EN p E amp 59 amp lt E PN 5 ET S E 55 S pu oo 9 5 T o ar OIT le E gt 1 3 33 tri o Hanging bolt pitch 35 8 910 lt Drain up port 6 4 163 T io conduit hole for For fresh air intake lt power supply cable knock out hole UE
2. I5 Note 50 e 1 Indoor unit does not have air filter its inside o Unit external dimension 33 3 845 So be sure to set an air filter local arrangements in the position maintained easily such as a suction grills If there is no air filter dusts are blocked in the air heat exchanger and it may cause failure or water leak in air conditioner T 7 5 2 Leave sufficient space to remove the air filter when you attach it 5 T og TS Y amp 3 g 4 H Air discharge 6 08 Air discharge flange outside s Sotoa more 15 8400 4 0 o 20 31 7 805 0 8 20 8 m Refrigerant pipe toc connecting port a 4 1 103 1 4 6 4 Liquid side Refrigerant pipe Ld G connecting port amp an io 1 2 12 7 Gas side pa x 4 00 2 4 1 2 31 o2 zz SS om or aL S o a SELTSE eX h SS 5 g amp lt d BS z S To id s amp lt r 5 RS o I Th y IE 2 2 3 59 8 c 1 3 33 o Drain up port
3. Attention 6 4 Be sure to set the plug and to make it to be able to cleaning 163 _ 20 7 526 because garbage in drain piping piles up easily in drain trap v S 4 Check panel m S9 9 Qu FE Plug 4 I Check and cleaning L 2 p Air suction port Firs BE 2 Flange d HS Unit in mm 12 MMD AP0484H2UL Entering of power supply and communication wires Electric parts box o 2 Hole for hanging bolt 8 oj lt 4 0 5 12 x 3 6 92 t al Space required for installation or service work s 8 Ros Service 2 9 5 space I Distance from building ea 2 y lt E lt lt Ek g 8 2 9 S 0 Service space Check port We sts 23 6 600 1 6 40 So 27 6 700 pe Hanging bolt mounting pitch 29 1 740 pe Refrigerant pipe Unit external dimension connecting port 47 2 1200 Liqui
4. 29 09 L 0 2 80c yun 2105 1 Joopino en in yun Joopjno Joopjno H 4 a NVd 1InoJI r 1V3H Jojoui ue4 1009 ibi NO Wouy ndu pubis Apee Burnes uopeounuuuo9 uoezuonpuls sna ov u ya seawes y seowes 6 0 8H jddns amod 90JNOS 1 eounos 1 1 1 J9MOd 1 J9MOd 1 jndino uonoes Ke dsiq Wna 105095 1osuas v1 mup uopeounwwoo ejjoJ uoo Sioueu 0t L J paeoq 5 q lonuo5 nouo uomeorunuluoo 19104000 a oWay 3 d 105 95 5 ued syun g o d q yun gol dn 8 Tz Joopu lt High Static Ducted gt 30 ired Simple Remote Controller and Wireless Remote Controller Kit Connected When BothW 8 1 3 lt Slim Ducted Type gt p o uuoo ued spun 8 o dn yun yun Joopino Joopino eonos omnos 11 0 1 1 en In yo seowes seowes 8 ves 8 2 J 09 1 022 802 Wun 92109 jeg Joopino en In 040009 JO OW 4 jeuBis uoneziuouuoufs
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6. lt 0 lt 09 101 Electric Parts 405 404 406 401 403 Location Model Name MMD AP SPH2UL Parts No Description No 0074 0094 0124 0154 0184 43050425 Sensor Ass y Service TC F6 43F50426 Sensor Service TA 43150320 Sensor Ass y Service TG F6 43160574 Terminal 4P 43160626 Terminal Block 2P 20A 4316V445 PC Board Ass y MCC 1402 102 12 1 High static Ducted MMD AP0304H2UL AP0364H2UL APO484H2UL 222 223 243 103 Location _ Model Name _ MMD AP H2UL Description No 0304 0364 0484 4312C098 MOTOR FAN STF 230U260 4B 4312C099 MOTOR FAN STF 230U260 4C 43146743 MOTOR PMV EFM MD12TF 1 43146726 BODY PMV 43146723 BODY PMV 43020352 FAN 43020353 FAN 4314 479 REFRIGERATION CYCLE ASSY 4314 480 REFRIGERATION CYCLE ASSY 4314 481 REFRIGERATION CYCLE ASSY 43147660 DISTRIBUTOR ASSY 43147661 DISTRIBUTOR ASSY 43147194 BONNET 5 8 IN 43F47609 BONNET 3 8 IN 43149352 NUT FLARE 5 8 IN 43149355 NUT FLARE 3 8 IN 43149354 SOCKET 5 8 IN
7. As temperature of the compressor pipes and others became high due to cooling heating Cooling check operation a burn may be caused New Refrigerant R410A This air conditioner adopts a new HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been also changed Therefore be sure that water dust the former 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 performed there is a possibility to cause a serious accident Use the tools and materials exclusive to R410A to purpose a safe work 2 Cautions on Installation Service 1 Do not mix the other refrigerant or refrigerating oil For the tools exclusive to R410A shapes of all the joints including the service port differ from those of the former refrigerant in order to prevent mixture of them 2 As the use pressure of the new refrigerant is high use material thickness of the pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water
8. Location Main Outdoor 7 segment display of Description remote detection controller Check code Sub code System Error detection status condition s Check items locations Indoor Other indoor Stop of Indoor P C board does not Check for defect in indoor P C F29 _ _ unit error corresponding operate normally board faulty EEPROM unit VF Outdoor All stop 1 Outdoor P C board I F EEPROM does not operate normally error Check power supply voltage Check power supply noise Check for defect in outdoor P C board I F 1 1 01 Compressor 1 IPDU Compressor All stop Inverter current detection Check power supply voltage side breakdown circuit detects overcurrent AC208 220V 10 02 Compressor 2 and shuts system down Check for defect in side compressor 03 Compressor 3 Check for possible cause of side abnormal overloading Check for defect in outdoor P C board A3 IPDU H01 H01 01 Compressor 1 IPDU Compressor All stop Overcurrent is detected Check for defect in side error lockup several seconds after compressor 02 Compressor 2 MG CTT error startup of inverter Check power supply voltage side compressor AC208 220V 10 03 Compressor 3 Check compressor system side wiring particularly for open phase Check connection of connectors terminals on A3 IPDU P C board Check conductivity of case heater Check for refrigerant entrapment inside compressor Check
9. 1 electric parts box Hole for control wire and _ Ld remote control wiring om x or J 1 Indoor unit does not have air filter its inside 0 So be sure to set an air filter local arrangements in the position 2 maintained easily such as a suction grills 0 8 Air intake flange outside If there is no air filter dusts are blocked in the air heat exchanger and it may cause failure or water leak in air conditioner o 20 317 805 0 8 20 2 Leave sufficient space to remove the air filter when you attach it 2 Ags 5852 Service space Air ciserraige E 3 9 100 or more 15 8 400 4 lt Or more E d 5 Air discharge lt Ko we Ceiling Under air intake gt RE z 2 s 2 0 50 100 29 3 745 Z 39 2 995 Fo d ve 88 al 28 5 I 2 Ceiling Air intake 5 3 9 100 2 or more L8 I Ceiling opening size T 1 Back air intake 39 2995 Unit i Installation space m nl in mm a lt co Air intake 1 55 25 Ceiling 11 8 300 or more 10 MMD AP0154SPH2UL MMD AP0184SPH2UL Installation space
10. 0003 2002 000 0000 with 5 seconds interval When 2220 appear the error was cleared However counting from 2005 is repeated on the display screen 4 When pushing e button the status becomes normal CODE No rr i cm 2 MODE VENT SWING FIX UNIT LOUVER CF 9 lt Operation procedure gt 1 gt 2 3 4 Returns to normal status How to clear error of indoor unit The error of indoor unit is cleared by 997 button of the remote controller Only error of the indoor unit connected with remote controller to be operated is cleared 50 m Monitoring function of remote controller switch When using the remote controller Model Name RBC AMT32UL the following monitoring function can be utilized Calling of display lt Contents gt The temperature of each sensor of the remote controller indoor unit and outdoor unit and the operating status can be checked by calling the service monitor mode from the remote controller lt Procedure gt 1 2 4 TEST CL Push 5 buttons simultaneously for 4 seconds or more to call up the service monitor mode The service monitor goes on and firstly the temperature of the CODE No 20 is displayed TEMP Push button to change CODE No CODE No to the CODE No to be monitored For display code refer to the following table bu
11. 1 2 3 END 46 m How to check all the unit No from an arbitrary wired remote controller lt Procedure gt Carry out this procedure during stop of system The indoor unit No and the position in the identical refrigerant piping can be checked An outdoor unit is selected the identical refrigerant piping and the indoor unit No are displayed one after the other and then its fan and louver are on 1 TEST Push the timer time button v simultaneously for 4 seconds or more First line 1 and CODE No AL Address Change are displayed Select outdoor unit 5 UNIT LOUVER SWING FIX Select line address using button Determine the selected line address using 5 button The address of the indoor unit connected to the refrigerant piping of the selected outdoor unit is dis played and the fan and the louver are on UNIT LOUVER Every pushing button button at left side the indoor unit No in the identical piping is displayed one after the other Only fan and louver of the selected indoor unit start operation To select the other line address Push button and the operation returns to Procedure 2 The indoor address of other line can be continuously checked 4 Push e button and then the procedure finishes mS HL _ 2 LN ae le E TEMP DON 0C 2 TIMER SET FAN MODE o Cr CB TIME SAVE VENT 1 v
12. e21nos JaMod Jo eDeyo e J L 2 paso dej uoee 5 eunsseJd 21215 29 1942H s il m m m IHM dey j Wa de zi Mcd d L O be nd ld 1 icm di de agoz AOEZ BOZ oN IS SPEZ 22 ainssaid __ 5 F9 0dV YOtOdY LOND d CORAN 409004 ud 0CSV OOW ji pieog O d ang pee 99 ZONO coal 99721 dis ds OLL 6605600 D O 060009 IHM 566505 000 134 8 Jeu 95ytzi e Ll 99v zl 44 5752 Ye UHAW OINO HAZEN CIBOISNO _ suele pp OHAN OSNO 164 6444 15 OF pen es S a Til es ya PR oe 20 18 ve NA NOUNS ate IS v eem OPNO Lo gr envi Rik eke gt tectis ae ae 19 ff E D m s Sess 99NO io GHD 11 PUN JOOPU t RS Oty ec OUO ions 4 5 0 CE NEN ands A www sk IHAA 15 q N a T E z S y INd E DONO ders Stereo a a ose ie aysa saa Wels s Ee deu cm sus s see iem wes S mST S hex de
13. 10 2 High Static Ducted NWARNING NCAUTION Before replacement of the parts be sure to stop Be sure to put on the gloves at disassembling operation of the air conditioner and turn off switch work otherwise an injury will be caused by a of the breaker part etc Part name Procedure Remarks Electric parts box 1 Remove screw of the electric parts box Electric parts box cover cover and then remove the cover 2 Remove the power supply wire the indoor outdoor connecting wire and the remote controller wires from each terminal blocks Remove connectors of TC1 TC2 TCJ and TA sensor lead wires from the control P C board Remove the fan motor lead wires 3 pcs from the terminal block Remove the relay connector of the fan motor lead wire Remove the connector of PMV lead wire NOTE Screw For fixing the electric parts box cover TC1 sensor TC2 sensor First unlock the housing and then remove the connectors CN100 TC1 sensor CN101 TC2 sensor CN102 TCJ sensor CN104 TA Room temperature sensor Remove screws of the conduit fixed plate and then remove the conduit fixed plate 5 Remove fixing screws of the clamp fixed plate and then remove the clamp fixed plate 6 Remove fixing screws of the electric parts box and then remove the electric Faston and relay connector parts box of the fan motor lead N Cautions at attachment Relay connector MM of PMV lead wire Con
14. Buum y eyeoipur JOWJOJSUEL Josues duu SL OL LOL euiuuJe 20 20 1 081 Josues Joopu VL lonuoO JOJO 700 900 600AH Jojyoedeo Buluuny JOJO 5 AWd JOJO ue asn4 1004 asn4 LOA Joyeuu0y NO 10 0W ue4 SWEN sued Ioqu S v c 15 4 PARTS RATING 4 1 Slim Ducted Type Model name _ MMD AP 0074SPH2UL 0094SPH2UL 0124SPH2UL 0154SPH2UL 0184SPH2UL Fan motor SWF 340U60 1A Drain pump motor ADP 1406 Float switch FS 0218 102 Pulse motor EFM MD12TF 1 Pulse motor valve EDM B25YGTF 3 EDM B40YGTF 3 TA sensor Lead wire length 6 1 in 155mm TC1 sensor 4 Lead wire length 47 2 in 1200mm Vinyl tube Blue TC2 sensor 6 Lead wire length 47 2 in 1200mm Vinyl tube Black TCJ sensor 4 2 High Static Ducted Type Model MMD AP 6 Lead wire length 47 2 in 1200mm Vinyl tube Red 0304H2UL 0364H2UL 0484H2UL Fan motor STF 230U260 4C STF 230U260 4B Running capacitor AC400V 10 AC450V 13 Pulse motor EFM MD12TF 1 Pulse motor valve EDM B40YGTF 2 EDM B60YGTF 1 Transformer TT 12 TA sensor Lead wire length 47 2 in 1200mm TC1 sensor O4 Lead wire length 47 2 in 1200mm Vinyl tube Blue
15. The unit No displayed firstly indicates the header indoor unit address in the group control In this time the fan of the selected indoor unit turns on 2 Every pushing button button at left side the indoor unit numbers in group control are displayed successively In this time the fan of the selected indoor unit only turns on 3 Using the temperature setup button specify the CODE No 3 4 Using the timer time button select the SET DATA At shipment 0000 The setup data are as follows SET DATA Handling of operation of air to air heat exchanger or ventilating fan Unavailable At shipment Available 5 Push button OK if display goes on To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure 3 6 Pushing returns the status to the usual stop status 2 Wiring Relay DC12V procured locally Corresponds to the relay up to one that the rated current Corresponds up to a relay in which rated current of the operation coil is approx 75mA of the operation coil is approx 75 Other type models Correspond up to a relay in which rated current of the CN32 Outside control operation coil is approx 16mA Does not correspond to a FAN DRIVE t input of fan terminal block type relay on the market 2P WHI To terminal Indoor control board Note Determine the cable length between the
16. buttons for 4 seconds or more Using the temperature setup GO button specify the CODE No cE Using the timer time button set 000 the setup data SET Push button Q N TEST Push 5 button The status returns to the usual stop status 3 Wiring Relay procured locally ic ee n the figure the contact indicates astatus that the card is taken out Indoor control P C board i Power supply 77777777777 M Outside contact Card switch box etc Procured locally Note Determine the cable length between the indoor control P C board and the relay within 2m m Power peak cut from indoor unit When the relay is turned on a forced thermostat OFF operation starts Wiring example Relay procured locally CN73 EXCT Note Determine the cable length between the indoor or 2P plug RED Relay coil signal outdoor control P C board and the relay within 2m Indoor control P C board 44 Address setup Manual setting from Wired remote controller In case that addresses of the indoor units will be determined prior to piping work after wiring work Set an indoor unit per a remote controller Example of 2 lines cabling Real line Wiring Broken line Refrigerant pipe Turn on power supply 9 3 Pipe Push 5 O buttons simultaneously for 4 seconds or more 2 Line address Using the temperat
17. 2 u puno uonoejoid y sejeorpur INPS pJeoq O d eui uo eu sejeoipul 5 5 ovia uonoeuuoo eu sejeorpui o ams ma eni peue eu seyeoipul T z MEE ee TOWN y aul peusep poys peusep ___ eys ey eyeorpur uexoig ___ loquiAs AYME NOILdO 3 0 00000 00000 00000 OOOOOO0 lOOOOO RR QE c Brees reer 859999 e v 859999 erect LA Ong igNo IMM OSNO IHAWOSNO IHW ZENO 1 n18 nig c poc mI I Lu cq 5 uue3 SOLNO aeu Meee 2 h ud dd ta dle hee s yas jun 1oopu Ot ZO L OOIN exo MM u n Joopu JOJ pio I 10X4 peog cya icles vo pereo HM 291 F3 ee QUUM sss A 99N9 0 eDeyo E 1121012101211 2100501 0000200 T T _ e de chew jddns Gl qaq Mas ypeg 10 4 IMM HAA
18. 5 FILE NO A11 020 Carrier SERVICE MANUAL AIR CONDITIONER MULTI TYPE Slim Ducted Type MMD APO074SPH2UL MMD APO094SPH2UL MMD APO124SPH2UL MMD APO154SPH2UL MMD APO184SPH2UL lt High Static Ducted Type gt MMD AP0304H2UL MMD AP0364H2UL MMD AP0484H2UL e 0 Slim Ducted Type High Static Ducted Type HFC CONTENTS SAFETY Nd cr NU 3 1 SPECIFICATIONS III II 8 2 CONSTRUCTION VIEWS EXTERNAL VIEWS 10 3 WIRING DIAGRAM al intu cci 14 PARTS RATING u ceni IR Und 16 5 FAN CHARACTERISTICS 17 6 REFRIGERATIN GCYCLE DIAGRAM 19 7 CONTROL OUTLINE iL bela V d eri Dind 20 8 APPLIED CONTROL AND FUNCTION 27 9 TROUBLESHOOTING LII III iu wa 54 10 DETACHMENTS E Cei a gan 81 11 P C BOARD EXCHANGE PROCEDURES 95 12 EXPLODED VIEWS AND PARTS LIST 100 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 it
19. Aeidsiq JOSUBS 19 ejouueg 07 1L 921N p1eoq 5 d Ionuoo 1 llonuo3 SSM HE i 1oopul Ajddns JOMOd 2 0 dn ojduuis 32 it Board Indoor Printed Ci MCC 1402 lt Slim ducted type gt 8 1 4 OVNO wia sAs y 104 pesn os y uoneoiunuJuloo Jo0opinog 4oopu LVNO roi VB ncaa ha im ZOEHO 2285 yen 89NO R303 EAN 1 0cQ Aiddns DP ENES 2002467 as 80 60 N9 Ajddns Iguondo AA Dcos A ZONO A ddns 1 L _ 1 180 D 10 9s 7 zu or pilo e POS mu Tea Toc OR Sod ZZ ASOG YOLNO AZLOG 09NO diro 699 aw Josuas YL jndino jeuondo ASOG 22 0 esata 08NO 19X3 jnduui 10119 euJ91X3 ASO OOLNO Josues 19 yo O 1 08319 8 IHS Guo OE CM LIO GOd ZOLNO Josues 7 1 MHO Acto L9NO O
20. 43049776 SOCKET 3 8 IN 43171081 SOCKET DRAIN 4310A062 FLANGE 4310A061 FLANGE 4310A064 FLANGE 4310A063 FLANGE 43119524 PLATE 43162076 COVER E PARTS 43107215 HOLDER SENSOR 43158138 LABEL WARNING 41179575 BUSHING 43139154 BAND MOTOR LEFT 43139155 BAND MOTOR RIGHT 43F19904 HOLDER SENSOR TS 43147664 STRAINER 43166013 REMOTE CONTROLLER SX TAO1UE 43166014 REMOTE CONTROLLER SX TBO1UE 43166015 REMOTE CONTROLLER SX UAO1UE 43166016 REMOTE CONTROLLER WX TAO1UES 43158213 OWNER S MANUAL 104 Electric Parts 413 407 414 o o La P uu I T O I 1 2 cii o WEA jm C o 5 B e 5 s 406 404 405 412 411 Location Parts No No 4 43050425 Description Sensor Ass y Service TC F6 Model Name 402 401 O D M 403 G 9 409 410 408 MMD AP t H2UL 0304 0364 0484 43F50426 Sensor Service TA 43150320 Sensor Ass y Service TG F6 43160574 Terminal 4P 43160626 Terminal Block 2P 20A 43160554 Terminal Block 4P 20A 43158182 TRANSFORMER TT 12 43154141 RELAY LY2F L
21. continue Attach the motor in the direction so that the root of the motor lead wire is positioned as shown as follows Attach the fixed screw of the fan surely to D cut face of the motor Attach the fan in the direction so that boss side of the fan is positioned at outside of the frame Fasten the fan so that boss part of the fan and the shaft top are laid at even face After attachment turn the fan and check there is no hitting or rubbing of the fan with fan case or no abnormal sound Turning direction of motor Bs 8mm 110 31 8mm Fan motor Motor shaft Shaft tip K sss ak p 4 Motor lead wire Boss side Motor lead wire Fan case Boss side 4 Fan fixed screw Shaft XON D cut face of shaft 93 Part name Procedure Remarks Heat exchanger TC1 TC2 TCJ sensor NOTE Recover refrigerant gas and then remove the refrigerant piping of the indoor unit Remove the indoor unit and carry out the work on the floor etc 1 Remove the service panel 2 Remove the upper plate Remove TC1 sensor TC2 sensor and sensor form the sensor holder Remove the relay connector of PMV lead wire in the electric parts box Remove the pipe fixed plate Remove the wind direction plate For 048 type only Remove fixed screws of the heat exchanger assembly Lift up the heat
22. 6 4 163 For fresh air intake 5 conduit hole for knock out hole power supply cable 1 electric parts box Hole for control wire and lt remote control wiring a tr 0 8 Air intake flange outside 20 31 7 805 0 8 20 15 8 400 or less Service space 2 Indoor unit Air discharge jal 1 Ceiling 2 0 50 100 293 745 39 2 995 Ceiling bottom surface Drain up standing up size Note As ABS is used for the drain discharge port of the main unit the vinyl chlor paste cannot be used Use the flexible hose Band fix included in the package X 28 lt Under air intake gt NE oc Z 5 Fal 0 mat 58 il 5 Ceiling Air intake 3 9 100 or more 293 745 mp Ceiling opening size lt Back air intake gt EE es ILS Air intak wat 88 oo Wy CAT intake Ed A EB Ceiling 11 8300 ie ow or more Unit in mm 11 2 2 High Static Ducted Type MMD AP0304H2UL MMD APO364H2UL Hol
23. Address setting has not been performed for one or 08 08 SIM Indoor group address not set more indoor units also detected at outdoor unit end 109 _ e SIM Indoor capacity not set oe setting has not been performed for indoor There is duplication in central control address L20 SIM Duplicated central control address setting ndoor external error input Unit shutdown has been caused by external error L30 L30 Detected indoor unit No SIM interlock input CN213 Indoor AC fan error is detected activation of fan 1 E e Indoor AC fan error motor thermal relay P10 P10 Detected indoor unit No ALT Indoor overflow error Float switch has been activated Indoor DC fan error e g overcurrent or lock up is detected In the case of incorrect duct settin P12 e ALT Indoor DC fan error performed at installation or if an access anal tot the maintenance is removed while indoor unit is in operation Follower unit cannot be operated due to header unit P31 ALT Other indoor unit error alarm E03 L03 L07 L08 55 Error detected by main remote controller Check code Display of receiving unit Main remote controller Outdoor 7 segment display Indicator light block Sub code Operation Timer Ready Flash Typical fault site Description of error No master remote controller Signals cannot be receiv
24. SOCKET DRAIN 43171080 SOCKET PAN DRAIN 43100319 PLATE INLET B 43172228 PAN ASSY DRAIN 43149351 SOCKET 1 4 IN 43179129 CAP DRAIN 43170240 HOSE DRAIN 4310A060 FLANGE 43F49697 BONNET 1 4 IN 43179159 BAND HOSE 43149314 SHEET PMV 43146714 VALVE PMV 43196109 BUSHING 43049776 SOCKET 3 8 IN 43149353 SOCKET 1 2 IN 43047688 NUT FLARE 1 2 IN 43149355 NUT FLARE 3 8 IN 43F47685 NUT FLARE 1 4 IN 43147662 STRAINER 43F47609 BONNET 3 8 IN 43047692 BONNET 1 2 IN 4310A056 PLATE INLET A 4312C097 PUMP ASSY WIRING 43151302 SWITCH FLOAT 43179126 RUBBER PUMP DRAIN 43F60029 FILTER NOISE 43079249 BAND HOSE 43102653 PLATE 43162075 COVER E PARTS 43158138 LABEL WARNING 43166013 REMOTE CONTROLLER SX TAO1UE 43166014 REMOTE CONTROLLER SX TBO1UE 43166015 REMOTE CONTROLLER SX UAO1UE 43166016 REMOTE CONTROLLER WX TAO1UES 43188213 OWNER S MANUAL a N n a N a N N N 1 5 N 1 5 a 0 Se 0 0
25. TC2 sensor Q6 Lead wire length 47 2 in 1200mm Vinyl tube Black TCJ sensor Lead wire length 47 2 in 1200mm Vinyl tube Red 16 5 FAN CHARACTERISTIC 5 1 Slim Ducted Type No filter MMD AP0074SPH2UL AP0094SPH2UL MMD AP0124SPH2UL Standerd Air flow rate 317 8 cfm Standerd Air flow rate 353 1 cfm Dotted line Upeer limit of external static pressure Dotted line Upeer limit of external static pressure 0 250 Lower limit of external static pressure 0 250 i Lower limit of external static pressure L High 0 20in WG natin 0 200 1 0 200 4 zl E E E mT 5 PE g zl s 2 5 c oT 51 wr S 0150 High 0 14in p 0150 v Hign o ttin we 5 EE w s 9c e p Low 0 20in 2 2 S s 2 5 2 lt 2 lt lt lt 8 lt 0 100 w 0 100 5 5 x x 0 050 0 050 low 0 80in WG 0 000 0 000 200 220 240 260 280 300 320 340 360 380 400 220 240 260 280 300 320 340 360 380 400 420 Air flow rate cfm Air flow rate cfm MMD AP0154SPH2UL MMD AP0184SP
26. catch the inflammables Refrigerant 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 Do not useany refru igerant different from the onespecified for complement or replacement Otherwise abnormally high pressuremay be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body 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 refrigerating 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 rech
27. first step After pushing e button operation of the remote controller is not accepted for approx 1 minute For a group control No of the firstly displayed indoor unit becomes the header unit SWING FIX UNIT LOUVER Oy Or Procedure 2 Every pushing 1 2 button button at left side the indoor unit No in the CODE Ne group control is displayed in hive Select the indoor unit of which setup is To CD changed In this time the position of the indoor unit of which setup is changed can be confirmed because fan and louver of the selected indoor unit operate Procedure 3 1 Using temp setup T buttons specify CODE No 23 CODE No 33 Fahrenheit display 2 Using timer p buttons change the line address from 200 f to 2004 3 Push button In this time the setup finishes when the display changes from flashing to lighting Procedure After check of the changed contents push e button Setup is determined When pushing e button the display disappears and the status becomes the usual stop status When pushing e button the operation from the remote controller is not accepted for approx 1 minute If the operation from the remote controller is accepted even 1 minute or more passed after pushing button it is considered that the address setup is incorrect In this case the automatic address must be again set up When changing the settings from C
28. oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refrigerant changes and then characteristics of the air conditioner change 3 Pipe Materials For the refrigerant pipes copper pipe and joints are mainly used It is necessary to select the most appropriate pipes to conform to the standard Use clean material in which impurities adhere inside of pipe or joint to a minimum 1 Copper pipe lt Piping gt The pipe thickness flare finishing size flare nut and others differ according to a refrigerant type When using a long copper pipe for R410A it is recommended to select Copper or copper base pipe without seam and one with bonded oil amount 0 0001 Ibs 32 10 40mg 10m or less Also do not use crushed deformed discolored especially inside pipes Impurities cause clogging of expansion valves and capillary tubes lt Flare nut gt Use the flare nuts which are attached to the air conditioner unit 2 Joint The flare joint and socket joint are used for joints of the copper pipe The joints are rarely used for installation of the air conditioner However clear impurities when using them 4 Tools 1 Requir
29. 43155193 CAPACITOR 43155174 CAPACITOR 43160637 FUSE 10A 43F60859 FUSE BLOCK 30A 250V 4316V502 PC BOARD ASSY MCC 1403 4316V247 P C BOARD ASSEMBLY MCC 1520 105 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant R410A which is used in the air conditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffocation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared 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 le
30. 9427 947 1ndino HO8Sd INL Josuas 5 Aeldsiq JOSUBS Ms uonjoun ezzng 105095 jddns 1 p4eoq 2 d Josues 3 19 MS INOud33 0 1 29WN p1eoq 5 d 0 L yun Joopu A ddns funes suun 2 0 dn a dwis ic Ducted Type gt lt High Stat yun yun Joopino Joopino 1 goinos eoinos 1 JeMOd 1 1 J MOd 2 FH en in yo seowes y seeues p lo uuoo ued sliun 8 g T zs 09 1 022 802 jun 99 nos amod Joopino en qnoi uomeoiunuuuoo sng 6 0 8H posues zo nouo 05095 19 Josuas V L JeJo uo9 ajow y in H n Nv 1V3H 1002 NO IeISOUUGU u 4 nou pdu eufis uotezuoiupufs indino
31. Insufficient number of IPDUs are detected when power is turned on Check model setting of P C board for servicing outdoor I F P C board Checkconnection of UART communication connector Check A3 IPDU fan IPDU and I F P C board for defect L30 L30 Detected indoor address Indoor unit External interlock of indoor unit Stop of corresponding unit Signal is present at external error input terminal CN213 for 1 minute When external device is connected to CN213 connector 1 Check for defect in external device 2 Check for defect in indoor P C board When external device is not connected to CN213 connector 1 Check for defect in indoor P C board L31 VF Extended IC error Continued operation There is part failure in P C board I F Check outdoor P C board VF P01 Indoor unit Indoor fan motor error Stop of corresponding unit e Check the lock of fan motor AC fan Check wiring VF Discharge temperature TD1 error All stop Discharge temperature TD1 exceeds 239 F 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD1 sensor Check for insufficiency in refrigerant quantity Check for defect in 4 way valve Check for leakage of SV4 circui
32. Outdoor fan IPDU error P26 Outdoor G Tr short circuit error P29 Compressor position detection circuit error P31 Shutdown of other indoor unit in group due to fault group follower unit error MG CTT Magnet contactor 62 Light block Check code Cause of fault Operation Timer Ready F01 Heat exchanger temperature sensor TCJ error rot F02 Heat exchanger temperature sensor TC2 error ZYN ZTS F03 Heat exchanger temperature sensor TC1 error Bead Unit temperature Sensor ASIE PIRE F10 Ambient temperature sensor TA error F11 Discharge temperature sensor TF error Operation Timer Ready F04 Discharge temperature sensor TD1 error Y F05 Discharge temperature sensor TD2 error F06 Heat exchanger temperature sensor TE1 TE2 error l d i Outdoor unit temperature Alternate blinking F07 Liquid temperature sensor TL error sensor Gore F08 Outside air temperature sensor TO error F12 Suction temperature sensor TS1 error F13 Heat sink sensor TH error F15 Wiring error in heat exchanger sensor TE1 and liquid temperature sensor TL Outdoor unit temperature sensor wiring installation error F16 Wiring error in outdoor high pressure sensor Pd and low pressure sensor Ps Outdoor pressure sensor wiring error F22 Outdoor discharge temperature sensor TD3 error F23 Lo
33. communication circuit indoor units left without communication from error outdoor unit E08 Duplicated indoor address E08 e Duplicated indoor address di i une Indoor automatic address setting is started while M ae automatic address setting for equipment in other E12 a 12 e e Automatic address starting refrigerant line is in progress communication error Outdoor automatic address setting is started while automatic address setting for indoor units is in progress Indoor unit not found m Indoor unit fails to communicate while automatic ES d E15 e e aia automatic address address setting for indoor units is in progress Combined capacity of indoor units is too large 00 Overloading Too many indoor units ET 01 Number of units connected BIG e e connected overloading 135 of outdoor 19 00 No header unit E19 e e Error in number of outdoor There is no or more than one outdoor header unit 02 Two or more header units header units in one refrigerant line 01 Connection of outdoor unit from Connection to other A Indoor unit from other refrigerant line is detected Eo other refrigerant line E20 e o refrigerant line found while indoor automatic address setting is in 02 Connection of indoor unit from during automatic address rodres other refrigerant line setting prog Outdoor outdoor E23 _ E23 communication a cannot
34. difference between Ta and Ts lt COOL gt Ta F 5 4 3 0 4 5 42 5 2 7 41 5 1 8 1 0 0 9 0 5 m 3 6 42 0 lt gt Indicate automatic cooling Controlling operation in case when thermo of Code No 32 remote controller works is same as a case when 0000 Body thermo thermo of the body works Main unit If the air speed has been changed once it is not 0001 Remote controller changed for 3 minutes However when the air thermo volume is exchanged the air speed changes When cooling operation has started select a downward slope for the air speed that is the high position Ifthe temperature is just on the difference bound ary the air speed does not change E 03 Air speed selection Continued Outline of specifications lt HEAT gt Ta F C 0 9 1 8 0 5 1 0 0 5 0 9 1 8 0 5 1 0 1 8 3 6 1 0 2 0 2 7 5 4 1 5 3 0 3 6 7 2 2 0 4 0 lt gt Indicate automatic heating Body thermostat works Remote controller thermostat works Value in the parentheses indicates one when thermostat of the remote controller works Value without parentheses indicates one when thermostat of the body works e If the air speed has been changed once it is not changed for 1 minute However when the air speed exchanged the air speed changes When heating operation has started select an upward slope f
35. electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework Prohibition of modification 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 e Do not bring a child close to the equipment 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 that the third party a child etc does not approach the equipment Insulating measures 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
36. in turn The fan of the selected indoor unit comes on with the louvers swinging depending on the model The 5 button allows you to move the CODE No DN code up down by one place First change the CODE No DN code from 010 0 To set filter sign lighting time Jot down the setting data displayed Change the CODE No DN code using the c button Again jot down the setting data displayed Repeat step 5 until all the setting data has been jotted down See the CODE No list CODE No DN code go from 0 FF with a few gaps along the way When finished push the button to bring the system back to normal off state It takes the system about 1 minute to become responsive to remote controller operation Contents Remote controller operation diagram Type Fig 1 RBC AMT32UL gt Indoor unit capacity Line address Indoor address Group address The type and capacity of the indoor unit are necessary for fan speed setting SUMMGIFDC UNIT LOUVER 2 g BDH Go 96 Procedure 2 replacing board 1 Replace the faulty P C board with a service P C board Be sure to replicate the old jumper setting removal and connector short circuit setting e g CN34 on the service P C board See the diagram at below MCC 1402 CN41 MCC 1403 CN041 0
37. indoor power turned off Operon me Ready wing between indoor and outdoor uns e O 206 Faulty reception in indoor outdoor communication dropping out of indoor unit Blinking E07 Faulty transmission in indoor outdoor communication E15 Indoor unit not found during automatic address setting E16 Too many indoor units connected overloading E19 Error in number of outdoor header units E20 Detection of refrigerant piping communication error during automatic address setting E23 Faulty transmission in outdoor outdoor communication E25 Duplicated follower outdoor address E26 Faulty reception in outdoor outdoor communication dropping out of outdoor unit E28 Outdoor follower unit error E31 IPDU communication error Operation Timer Ready P01 Indoor AC fan error Vv x P10 Indoor overflow error a X P12 Indoor DC fan error L I Alternate blinking P13 Outdoor liquid backflow detection error Operation Tine Ready P03 Outdoor discharge TD1 temperature error Vly Vul P04 Activation of outdoor high pressure SW pos e XX Open phase power failure 5 Inverter DC voltage Vdc error Alternate blinking MG CTT error P07 Outdoor heat sink overheating error Poor cooling of electrical component IGBT of outdoor unit P15 Gas leak detection insufficient refrigerant charging P17 Outdoor discharge TD2 temperature error P18 Outdoor discharge TD3 temperature error P19 Outdoor 4 way valve reversing error P20 Activation of high pressure protection P22
38. is disrupted Check for broken wire or error connector bad contact detected at Check indoor power remote supply E01 controller Check for defect indoor P C board Check remote controller address settings when two remote controllers are in use Check remote controller P C board Remote Remote Stop of Signal cannot be transmitted Check internal controller controller corresponding from remote controller to transmission circuit of E02 _ transmission unit indoor unit remote controller error Replace remote controller as necessary Indoor ndoor remote Stop of There is no communication Check remote controller unit controller corresponding from remote controller and network adaptor E03 _ communication unit including wireless or wiring error network adaptor detected at indoor end Indoor ndoor outdoor Stop of Indoor unit is not receiving Check order in which unit communication corresponding signal from outdoor unit power was turned on for circuit error unit indoor and outdoor units detected at Check indoor address E04 _ _ indoor end setting Check indoor outdoor tie cable Check outdoor termination resistance setting SW30 Bit 2 No of indoor VF Dropping out of All stop Indoor unit initially Check power supply to units from indoor unit communicating normally fails indoor unit which signal is to return signal for specified Is power turned on received
39. length of time Check connection of normally indoor outdoor communication cable Check connection of communication connectors E06 FOR on indoor P C board Check connection of communication connectors on outdoor P C board Check for defect in indoor P C board Checkfor defect in outdoor P C board I F VF Indoor outdoor All stop Signal cannot be transmitted Check outdoor termination communication from outdoor to indoor units resistance setting SW30 E07 _ circuit error for 30 seconds continuously Bit 2 detected at Check connection of outdoor end indoor outdoor communication circuit 65 Check code i Location i Main Outdoor 7 segment display of Description System status Error Een Check items locations remote detection controller Check code Sub code Duplicated Indoor Duplicated All stop More than one indoor unit is Check indoor addresses indoor address unit indoor address assigned same address Check for any change E08 E08 made to remote controller connection group individual since indoor address setting Remote Duplicated Stop of In two remote controller Check remote controller controller master remote corresponding configuration including settings controller unit wireless both controllers are Check remote controller E09 _ _ set up as master Header P C boards indoor unit is shut down with alarm while follower indoor units continue ope
40. on the bump at suction side and then remove the drain pan assembly 2 Attachment 1 Hook and attach the drain pan assy to the flange at discharge side and then push in 2 Using screws taken off in procedure 1 2 of attach under panel by holding with hands 3 Attach drain cap as before which were taken off in procedure 1 1 of NOTE Finally be sure to check there is no water leakage from each attached part 86 Part name Drain pump Float switch Drain hose Procedure 1 Detachment 1 Perform works in procedures 1 of D 1 of 1 of 2 Disconnect lead wires which are connected to the following connectors of P C board assembly NOTE Unlock locks of the housing to remove the connectors CN34 float SW Red CN68 Drain pump lead Blue Loosen hose band remove cap of the drain hose and take off screws while holding the sheeting metal on which float Switch and drain pump are put on Remove them with care that pipes are not damaged M4 0 39 10mm 2 pcs NOTE If the pipes are damaged refrigerant leak may be caused Take out them with great care 2 Attachment 1 Attach ASSY sheeting metal which was removed in procedure 1 3 of 8 with care that pipes are not damaged and then fix it with screws Insert the drain hose into the inlet of drain pump and then fix it with hose band Arrange handle of the hose b
41. specified Check connection of fan value is detected IPDU P C board 01 Compressor IPDU G TR short All stop Overcurrent is momentarily Check connector 1 side circuit protection detected during startup of connection and wiring on 02 Compressor error compressor A3 IPDU P C board 2 side Check for defect in P26 P26 03 Compressor 14 compressor layer short 3 side circuit Check for defect in outdoor P C board A3 IPDU 01 Compressor IPDU Compressor All stop Position detection is not Check wiring and 1 side position going on normally connector connection 02 Compressor detection circuit Check for compressor ds d 2 side 16 layer short circuit 03 Compressor Check for defect in A3 3 side IPDU P C board Indoor Other indoor Stop of There is error in other indoor Check indoor P C board P31 _ _ 47 unit error corresponding unit in group resulting in group follower unit detection of E07 L07 L03 unit error L08 78 Errors Detected by TCC LINK Central Control Device Check code Location Main Outdoor 7 segment display of Description System status Error detection Check items locations remote detection condition s controller Sub code TCC LINK TCC LINK Continued Central control device is Check for defect in central central control operation unable to transmit signal control device device Check for defect in cent
42. sumed if the abnormal status continues the check code is again displayed on the remote controller Operation Based on the operation mode selecting command from the mode selection remote controller the operation mode is selected Remote controller command Control outline Air conditioner stops Fan operation Drying operation Cooling operation Heating operation Room temp 1 Adjustment range Remote controller setup temperature F C control Po COOL DRY HEAT Wired type 64 F 18 C to 84 F 29 C 64 F 18 C to 84 C 29 C Wireless type 64 F 18 C to 86 F 30 C 61 F 16 C to 86 F 30 C 2 Using the Item code 06 the setup temperature in heating Shift of suction operation can be corrected temperature in heating Setupdata 2 4 Hd Setup temp 0 3 6 F 7 2 F Except while sensor of 2 C 4 C the remote controller is controlled Setting at shipment Code No 32 0001 20 Outline of specifications Remarks Automatic 1 Based on the difference between Ta and Ts the capacity control operation capacity is determined by the outdoor unit COOL Ts Setup temp Ta Room temp Air speed 1 Operation with HH H L or AUTO mode is carried HH gt H gt H gt L gt L gt UL selection out by the command from the remote controller 2 When the air speed mode AUTO is selected the air speed varies by the
43. than the specified error value is detected during 4 Motor current startup of the fan pc All stop Sub code 1 Check fan motor temperature Fan IPDU position detection Check connection of fan error circuit motor connector D TH sensor Position detection is not Check for defect in fan error going on normally IPDU P C board E Inverter DC All stop Sub code 3 Check fan motor voltage error Gusty wind an obstruction Check for defect in fan outdoor fan or another external factor IPDU P C board Note Speed estimation is not Although going on normally letters 0 to F appear at All stop Sub code 4 Check fan motor P22 P22 locations 1 Fan IPDU over current Check connection of fan indicated by protection circuit motor connector please Flow of current equal to Check for defect in fan ignore them greater than the specified IPDU P C board value is detected during operation of the fan All stop Sub code C Check fan motor Higher temperature than the Check for defect in fan specified value is detected IPDU P C board during operation of the fan All stop Sub code D Check for defect in fan The resistance value of the IPDU P C board sensor is infinite or zero open or short circuit All stop Sub code E Check power voltage of Fan IPDU DC voltage the main power supply protection circuit Check for defect in fan The DC voltage higher or IPDU P C board lower than the
44. there is no discrepancy do nothing 8 Use the button to change the CODE No DN code Again check the value and change the setting if necessary 9 Repeat steps 6 and 7 until all the settings are checked 10 When finished push the button to bring the system back to normal off state In the case of group operation turn the unit off reconnect the indoor indoor group control wiring and CN41 connectors and turn on all the indoor units It takes the system about 1 minute to become responsive to remote controller operation CODE No DN code go from to FF with a few gaps along the way If you realize you have wrongly corrected a certain setting after pushing the button you can recover the initial value by pushing the button provided that the CODE No DN code is yet to be changed 98 Table CODE No table Please record the objective unit data at field Item At shipment Filter sign lighting time 0002 2500 hour Dirty state of filter 0000 Standard Central control address Heating suction temp shift 0099 Unfixed 0002 3 6 F 2 C PRE DEF indication selection 0000 Standard Cooling only 0000 Heat pump Type According to model type Indoor unit capacity See below table According to capacity type Refrigerant line address 0099 Unfixed Indoor unit address 0099 Unfixed Group adress 0099 Unfixed Automatic restart from p
45. time the Select unit side of the s button is pushed one of the indoor unit Nos under group control is displayed in turn Then the fan of the selected indoor unit move Use the button to select the CODE No DN code of the desired function 4 Use the button to select the desired SET DATA associated with the selected function 5 Push the button The display changes from flashing to steady To change the selected indoor unit go back to step 2 To change the selected function go back to step 3 6 When the O button is pushed the system returns to normal off state 39 Function CODE No DN Code Table Includes All Functions Needed to Perform Applied Control on Site DN Item Descrip tion At shipment Filter display delay timer 0000 None 0001 150H According to type 01 0002 2500H 0003 5000H 0004 10000H 02 Dirty state of filter 0000 Standard 0000 Standard 0001 High degree of dirt Half of standard time 03 Central control address 0001 No 1 unit to 0064 No 64 unit 0099 Unfixed 0099 Unfixed 04 Specific indoor unit 0000 No priority 0001 Priority 0000 No priority priority Heating temp shift 0000 No shift 0001 1 C 1 8 F 0002 2 C 3 6 F 06 0002 2 C 3 6 F to 0010 10 C 18 F Floor type 0000 0 C Up to 6 recommended 0d Existence of AUTO 0000 Provided 000
46. unit failure is connected E16 E16 performed perform Check for defect in outdoor overloading detected setting No overloading detected setting method Turn on SWOS9 Bit 2 on I F P C board of outdoor header unit More than 48 indoor units are connected The system including Medium Static Ducted may not sometimes output the error code 16 because the microcomputer cannot judge that even if the connection of the indoor units was over its maximum capacity 120 P C board I F 66 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations E18 Indoor unit Error in communication between indoor header and follower units Stop of corresponding unit Periodic communication between indoor header and follower units cannot be maintained Check remote controller wiring Checkindoor power supply wiring Check P C boards of indoor units E19 E19 00 No header unit 02 Two or more header units VF Error in number of outdoor header units All stop There is more than one outdoor header unit in one line Thereis no outdoor header unit in one line Outdoor header unit is outdoor unit to which indoor outdoor tie cable U1 U2 is connected Check connection of
47. 0 ton 0160 16ton CODE No ua Data name Display format Unit Remote controller display example 10 20 High pressure sensor detention pressure Pd x10 psi 4350 435 5 11 21 Low pressure sensor detention pressure Ps x10 psi 12 22 Compressor 1 discharge temperature Td1 x1 13 23 Compressor 2 discharge temperature Td2 x1 2 14 24 Compressor 3 discharge temperature Td3 x1 5 15 25 Suction temperature TS x1 0075 75 F 24 C 16 26 Outdoor coil temperature 1 x1 F E 17 27 Outdoor coil temperature 2 TE2 x1 18 28 Temperature at liquid side TL x1 F 5 19 29 Outside ambient temperature TO x1 F 8 1A 2A PMV1 2 opening x1 pls 2 0500 500pulse 1 2 PMV4 opening x1 pls 1 2 Compressor 1 current 11 x10 A 1D 2D Compressor 2 current 12 x10 A 0135 213 5A 1E 2E Compressor 3 current I3 x10 A 1F 2 Outdoor fan current 1 x10 A CODE No il 02 Data name Display format Unit Remote controller display example 50 60 Compressor 1 revolutions x10 rps 51 61 Compressor 2 revolutions x10 rps 0642 64 2rps 52 62 Compressor 3 revolutions x10 rps 53 63 Outdoor fan mode x1 mode 0058 58 mode x 5 54 64 Compressor IPDU 1 heat sink temperature 1 F 55 65 Compressor IPDU 2 heat sink temperature x1 T 0075 75 F 24 C 56 66 Compressor IPDU 3 heat sink temperature x1 F 57 67 Outdoor fan IPDU heat sink temperature x1 i A 5 0 Normal
48. 0010 Heating recovery controlled 5 38 Heating cooling recovery co trolled 1 Recovery controlled 0001 Cooling recovery controlled 8 59 Pressure release 5 0010 Pressure release controlled 6 5A Discharge temperature release 5 0 Normal 0001 Discharge temperature release controlled 1 Release controlled 0100 U2 outdoor unit release controlled 5B Follower unit rel aso 5 0010 U3 outdoor unit release controlled LACK De Ven outdoor units 0001 U4 outdoor unit release controlled 5F 6F Outdoor unit capacity x10 ton 0080 8ton 1 Only a part of indoor unit types is installed with the discharge temperature sensor This temperature is not displayed for other types 2 When the units are connected to a group data of the header indoor unit only can be displayed 3 The first digit of an CODE No indicates the outdoor unit number 4 The upper digit of an CODE No 4 indicates the outdoor unit number 13 5 U1 outdoor unit Header unit 2 6 U2 outdoor unit Follower unit 1 5 Only the CODE No 5 of U1 outdoor unit Header unit is displayed 52 B Changing of settings for Celsius display Push P button if the unit stops Procedure 7 Push simultaneously 5 oy buttons for 4 seconds or more After a while the display part flashes as shown right Check the displayed CODE No is When the CODE No is other than 40 push e button to erase the display and repeat procedure from the
49. 1 Not provided mode 0001 Not provided Automatic selection from connected outdoor unit OF Cooling only 0000 Heat pump 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 10 0005 Slim Ducted According to model 0006 High static Ducted Type type 11 Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type 12 Line address 0001 No 1 unit to 0030 No 30 unit 0099 Unfixed 13 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 14 0002 Follower unit of group 28 Automatic restart of 0000 None 0001 Restart 0001 Restart power failure 2A Selection of option error 0000 Filter input 0001 Alarm input Option parts 0002 External interlock input CN213 0002 External interlock 2E HA terminal CN61 0000 Usual 0001 Leaving ON prevention control 0000 Usual select 0002 Fire alarm input HA terminal 31 Ventilating fan control 0000 Unavailable 0001 Available 0000 Unavailable 32 sensor selection 0000 Body TA sensor 0001 Remote controller sensor 0000 Body TA sensor 33 Temperature unit select 0000 C 0001 F at factory shipment 0001 F 40 Description At shipment Slim Ducted Static pressure 0001 Standard 1 factory defoult selection 0003 High static pressure 2 0001 Standard 0006 High static pressure 3 Timer setting 0000 Available can be pe
50. 2 Take off hanging hooks at both sides of the lower fan case to remove fan lower case 3 Remove the upper fan case while taking off hooks of fan upper case which are hooked to the partition board 4 Loosen hexagonal hole screw of the multi blade fan to remove multi blade fan from the shaft If necessary remove multi blade fan and then remove fan upper case Attachment 1 Determine the position so that multi blade fan positions at the center of the fan upper case and then fix it with hexagonal hole screw NOTE Arrange the multi blade fan so that Screws position at the right side against the drain pan assembly Fix multi blade fan with torque wrench 3 6 ftelbs 4 9 Nem or more 2 Hook the lower fan case as before and attach it with hooks NOTE Finally check whether the multi blade fan turns surely and smoothly or not 84 Hanging hook Fan lower case Multi blade fan Arrange the multi blade fan so that Screws position at the right side against the drain pan assembly Part name Procedure Remarks Fan motor 1 Detachment Noise filter 1 Perform works 1 of 1 of 1 of I 2 Remove lead wires which con nected to the following connectors of board assembly NOTE Unlock locks of the housing and then remove the connectors CN333 Fan motor power supply 5P White CN334 Detection of fan motor 5P White Remove the nois
51. 32UL central control setting selection setting setting setting setting Individual Central 1 Central 2 Central 3 Central 4 Central control display O Operation possible gt lt Operation impossible 25 Outline of specifications Remarks DC motor 1 When the fan stator positioning is performed for the Check code P12 starter and the rotor Vibrate slightly 2 DC motor operates according to the command from the indoor controller Note Ifthe fan rotates by entry of outside air etc while the air conditioner stopped the indoor unit may operate as the fan motor stops Note If the fan lock was detected the operation of the indoor unit stops and the error is displayed Note If the incorrect duct design was found during installation work or you carelessly opened the service panel drain pump of the main unit during operation the check code P12 is output and the motor stops SAVE Save operation The save operation starts when button on the remotecontroller is turned on While the save operation is performed segment goes on the screen of the wired remote controller The request capacity ratio is restricted to approx 7596 during save operation If the save operation was validated the contents are held during the operation stop the operation mode change and the resetting of power supply Therefore the operation at the next time also will
52. 4 20 99 5 15 14 10 23 5 150 15 32 0 n T 41 5 55 F 10 C 55 F 10 C 50 10 or below or above 59 15 001 10 68 20 30 Resistance 50 68 86 104 122 140 10 20 30 40 50 60 Temperature F 50 0 22 4 14 32 50 68 86 104 122 140 158 176 194 212 30 20 10 0 10 20 80 40 50 60 70 80 90 100 Temperature F 203 95 Indoor TC2 and TCJ sensors esistance 200 20 nun 150 Resistance Resistance 55 F 10 C 55 F 10 or below or below 100 10 50 22 4 14 32 50 68 86 104 122 140 158 176 194 212 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature F C 80 10 1 Slim Ducted Type N WARNING 10 DETACHMENTS NCAUTION Before replacement of the parts be sure to stop operation of the air conditioner and turn off switch of the breaker part etc Be sure to put on the gloves at disassembling work otherwise an injury will be caused by a Part name Procedure Remarks Plate inlet A Plate inlet B 1 Detachment 1 Take off fixing screws while holding the plate inlet A with hands to remove it M4 0 39 10mm 8 pcs 2 Take off fixing screws while holding the plate inlet B with hands to remove it M4 0 39 10mm 6 pcs NOTE Be care
53. 65 406 353 306 459 400 341 Fan unit Motor output 60 External static pressure 0 08 Factory setting 0 14 0 02 Air filter Field supply Gas side 3 8 3 8 3 8 1 2 1 2 Liquid side 1 4 1 4 1 4 1 4 1 4 Drain port Nominal dia VP25 Polyvinyl chloride tube External Dia 1 1 4 Internal Dia 1 Sound pressure level Under air inlet 39 36 33 41 38 35 41 38 5 35 44 5 41 37 5 High Mid Low 2 Back air inlet 31 30 28 32 5 31 5 28 5 34 5 33 5 30 37 34 32 Option parts Auxiliary fresh air frange TCB FF101URUL Connecting pipe Note 1 Non attached filter 2 The actual values in an external opeating environment are generally higher than the indicated values due to the contribution from ambient noise 1 2 High Static Ducted Type MMD AP0304H2UL AP0364H2UL AP0484H2UL Model name MMD AP0304H2UL AP0364H2UL AP0484H2UL kBtu h 30 36 48 kBtu h 34 40 54 Cooling Capacity Heating Capacity Electrical characteristics Power supply Power consumption 230V 208 230V 1phase 60Hz 0 38 0 41 Appearance Zinc hot dipping steel plate Dimension Height 15 0 Width 33 5 Depth 26 0 Packing Height 17 0 Width Depth 31 9 Unit Packed unit Total Weight Heat exchanger Finned tube Fan Centrifugal fan Standard air flow 926 Motor output 260 E
54. F05 F05 u VF TD2 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD2 sensor connector Check resistance characteristics of TD2 sensor Check for defect in outdoor P C board I F F06 01 TE1 sensor error 02 F06 TE2 sensor error VF TE1 TE2 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TE1 TE2 sensor connectors Check resistance characteristics of TE1 TE2 sensors Check for defect in outdoor P C board I F F07 F07 VF TL sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TL sensor connector Check resistance characteristics of TL sensor Check for defect in outdoor P C board I F 68 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations F08 F08 VF TO sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TO sensor connector Check resistance characteristics of TO sensor Check for defect in outdoor P C board I F F10 Indoor unit Indoor TA sensor error Stop of corresponding unit Sensor resistance is infin
55. H2UL Standerd Air flow rate 406 1 cfm Standerd Air flow rate 459 0 cfm ___ Dotted line U limit of ext stati Dotted line Upeer limit of external static pressure 0 250 me pac oiu sed asco I 0 250 1 Lower limit of external static pressure A L igh 0 20in WG 1 High 0 20in WG 0 200 0 200 t E 5 0150 z 0150 Faj 5 a E a bom i lt 0 100 5 s 9 60400 0 050 0 050 LI LI 0 000 0 000 260 280 300 320 340 360 380 400 420 440 460 480 300 320 340 360 380 400 420 440 460 480 500 520 540 Air flow rate cfm Air flow rate cfm 17 5 2 High Static Ducted MMD AP0304H2UL AP0364H2UL Power source 208V 60Hz Power source 230V 60Hz External static pressure Standard air flow rate External static pressure Standard air flow rate in WG cfm m WG cfm 1075 ms et Low 0 287 rate lower limit rate lower limit Fan motor current A Air flow rate upper limit Fan motor current A Air flow rate upper limit Air flo Air flo 850 900 950 1000 1050 1100 1150 1200 750 800 850 900 950 1000 1050 1100 1150 Air flow rate cfm Air flow rate cfm Middle tap External static pressure in WG Air flow rate lower limit Air flow
56. ING CYCLE DIAGRAM Liquid side Gas side Capillary tube Air heat exchanger i at indoor side Pulse Motor T Valve PMV Sensor Fan motor Functional part name Functional outline Pulse Motor Valve Connector 82 6P Blue 1 Controls super heat in cooling operation 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation Temp sensor Connector CN104 2P Yellow 1 Detects indoor suction temperature Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation Connector CN101 2P Black 1 Controls PMV under cool in heating operation Connector CN102 2P Red 1 Controls PMV super heat in cooling operation 19 7 CONTROL OUTLINE Outline of specifications Remarks When power 1 Distinction of outdoor unit supply is reset When the power supply is reset the outdoors are distinguished and the control is selected according to the distinguished result Setting of indoor fan speed and existence of air direction adjustment Based on EEPROM data select setting of the indoor fan Air speed rpm speed and the existence of air direction adjustment Air direction adjustment If resetting the power supply during occurrence of a trouble the check code is once cleared After ON OFF button of the remote controller was pushed and the operation was re
57. L 01 VH ZENO ict 40 fH JAIU ves OND 9_ BONI 14000 1 S fos eto 10510 86 R306 C YOSdJS u2 1 ial 820 50 m ih ee pos I T aol 6365 9158 SLT Of Z 0055608 lev 41 431 PCB ASSY vEENO uJnjeJ uej 3q 28N9 indino ANd ENO indino 33 MCC 1403 lt High static ducted type gt cOLNO Josues POL ASOQ LZONO HHO i 80NO ndino ue OOLNO jndui 10119 ua vOLNO 4N2 dSla Josues LOL JOSUOS YL ASOG ZONO Ou 96 EMIL 3 01 I3 fDl O OZONP S40E0N0 eed T ili 00INO 1010 NY3 LPNO 5 Nd oN T14 4Le0INO Bh iro zena Jej ojuoo XE LOOAY 2 WOSNJS d DEINO AZLOG 090NO 7 1ndino jeuondo 1009 L90NO 010 VH 0 Ajddns 17021 FHOON onar 1 07001 213009 inar 07 707 Act MR CENE 2 c 5 vno 8702 vLONO 0 E07l EA Jeuuojsuel 943 S0 E0 1 20H 80080 AYME 25 x ASSV 80d 00 idee pre OYONO ulejs s eui JO JO pes
58. OP Thermo OFF status or which operates in FAN mode performs the following controls when it received the cooling oil Refrigerant recovery signal from the outdoor unit 1 Opens PMV of the indoor unit with a constant opening degree 2 Operates the drain pump for approx 1 minute during recovery control and after finish of control 2099 Recovery operation is usually performed every 2 hours 5 minuts Recovery control for heating refrigerant Oil Outline of specifications The indoor unit which is under STOP Thermo OFF status or which operates in FAN mode performs the following controls when it received the heating refriger ant Oil recovery signal from the outdoor unit 1 Opens PMV of the indoor unit with a constant 2 opening degree Detects temperature of TC2 and then closes PMV Remarks The indoor unit which is under thermo OFF COOL status or which operates in FAN mode stops the indoor fan and displays READY Recovery operation is usually performed every 1 hour When there is even 1 indoor unit which the thermo unit is off Compensation control for short intermittent operation For 3 minutes after start of operation the opera tion is forcedly continued even if the unit enters in Thermo OFF condition However the thermostat is OFF giving prior to COOL HEAT selection READY for operation and protective control Usually the priority is given to 5 minutes at out
59. Oil level All stop No temperature Checkfor disconnection of TK1 sensor circuit error detection change is detected Check resistance characteristics of 02 TK2 oil circuit error by TK1 despite TK1 sensor circuit error compressor 1 having Check for connection error involving 03 oil been started TK1 TK2 TK3 TK4 and TK5 sensors circuit error Check for faulty operation in SV3E or 04 TK4 oil SV3F valve circuit error Check for clogging in oil equalizing 05 TK5 oil circuit capillary and faulty operation in circuit error check valve Checkfor refrigerant entrapment inside compressor No temperature Checkfor disconnection of TK2 sensor change is detected Check resistance characteristics of by TK2 despite TK2 sensor compressor 2 having Check for connection error involving been started TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Checkfor refrigerant entrapment inside compressor No temperature Check for disconnection of TK3 sensor change is detected Check resistance characteristics of by TK3 despite TK3 sensor compressor having Check for connection error involving been started TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or HS HIS SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in
60. PEND 1 ZLLNO 8 L dn jas onejs 14 High Static Ducted 3 2 Sn 09 L 0 2 80Z Aiddns uos n Ir c 1 55 p Lui AUD IHM UBIH 7 aay TT Ye 2081 IHAA vale kd V yun Joopu NHO L_ 1 1 a E ADSENOLL ma 5 a AA 195s ypeg dxe apisul Jojow ues qaa 1 9 Laer Lu Ajo3e1edes pios D J llonuoo yun Joopuj Jo Jojeuuoo L3 dey sn jou op ejouleM Jun Joopjno pua A80Z S INZHPSPOdW CININ
61. Remove the electric parts box Refer to 2 Remove fixing screws of the side plate and then remove the side plate 3 Remove screw 1 position for fixing the upper plate 4 Remove the fixing screw of the inlet ring and then remove the inlet ring 5 Using a hexagonal wrench loosen the fan fixed screw and then pull out the fan from the fan case 6 Remove screws which fix the fan case and then remove the fan case fixed plate 91 Screws For fixing side plate Part name Procedure Remarks Fan Fan motor continue 7 Remove screws for fixing the fan case while lifting up the upper plate a little and then pull out the fan case to the side plate side 8 Remove fixed screw of the fan case fixed plate and then remove the fan case fixed plate 9 Remove fixed screws of the inlet ring to remove the inlet ring Remove fixed screws of the fan motor base and then pull out the fan motor base up to side plate side of the frame 10 Remove the motor band fixed screw and the fan motor earth wire fixed screw to remove the fan motor Using a hexagonal wrench loosen the fixed screw and then pull out the fan from the shaft 92 Fan case fixed screws Fan motor base Reinforcement plate Fan fixed screw wama pas Motor band fixed Scr Earth screw Part name Procedure Remarks Fan N Caution at attachment Fan motor
62. aks 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 lbs kg Min volume of the indoor unit installed room ft m3 Concentration limit Ibs ft kg m The concentration limit of R410A which is used in multi air conditioners is 0 019 Ibs ft 0 3kg rm NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device Outdoor unit e g charged amount e g 22 Ibs 10 kg charged amount J 33 Ibs 15 kg mj Room Room B Room C Room D Room E Indoor unit For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 22 lbs 10kg The possible amount of leaked refrigerant gas in rooms D E and F is 33 Ibs 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
63. ally shuts down input CN80 2 DC12 V COM air conditioner only if condition persists for 1 minute 3 External error input CHK 1 Check mode input Used for indoor operation check prescribed operational Operation CN71 OV status output such as indoor fan H or drain pump ON check 2 to be generated without communication with outdoor unit or remote controller DISP 1 Display mode input Product display mode Communication just between Display mode CN72 OV indoor unit and remote controller enabled upon turning 2 on of power Timer short circuited out always EXCT Demand input Imposes thermostat OFF on indoor unit Demand CN73 5 0v E m 8 2 Functions at test run B Cooling Heating test run check The test run for cooling heating can be performed from either indoor remote controller or outdoor interface P C board 1 Start Finish operation of test run Test run from indoor remote controller Wired remote controller Refer to the below item of Test run of the wired remote controller Wireless remote controller Refer to the next page item of Test run of the wireless remote controller In case of wired remote controller lt RBC AMT32UL gt E TEMP b ON OFF FAN MODE Cr o TIME SAVE VENT TS Dwi 7 RESET TEST SET CL SWING FIX UNIT LOUVER 3 OO Procedure Operation c
64. and at contrary side of heat exchanger side and at direction remote from drain pan assembly 3 Carry out wiring as before and then perform work of procedure 2 of NOTE Finally check whether they correctly operate or not 87 Remarks Drain hose Hose band Float switch Drain pump Part name Procedure Evaporator assembly 1 Detachment NOTE Recover refrigerant gas and then remove the refrigerant piping of the indoor unit Remove the indoor unit and carry out the work on the floor etc 1 Recover refrigerant and then remove refrigerant pipes at indoor unit side 2 Perform works of procedures 1 of D 1 of Q 1 of Remove sensors 3 Take off screws of the pipe holder and remove the pipe holder M4 0 39 10mm 2 pcs 4 Take off screws of the heat exchanger support board Pipe side and remove the heat exchanger support board Pipe side M4 0 39 10mm 4 pcs 5 Take off screws of the heat exchanger support board Opposite side which fixes terminal block of the evaporator assembly M4 0 39 10mm 2 pcs 6 Remove the evaporator assembly 2 Attachment 1 Fasten the parts as before in order Evaporator assembly Pipe holder Set sensors Drain pan assembly Under panel 2 Connect the refrigerant pipe as before and then perform vacuuming 88 Remarks Pipe holder Heat exchanger support board Pipe side
65. arge 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 recovering device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused Assembly Cabling After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the cabinet or panel does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user s side After the work has finished be sure to use an insulation tester set 500V Megger to check the resistance is 2M or more between the charge section and the non charge metal section Earth
66. as replaced This operation is not available if the UNIT No shows 2 LL TEMP 3 The button allows you to moved the CODE No DN code up down by one place 4 First set the type and capacity codes of the indoor unit Changing the type and capacity codes in EEPROM overwrites the factory default settings 1 Set the CODE No DN code to 0 no change 2 Use the G a button to select the type For example 000 is for the 4 way cassette type See the CODE list 3 Push the button The display should change from flashing to steady 4 Use the cJ c button to set the CODE No DN code to 5 Use the GG button to set the capacity code For example 0012 is for the 027 type See the CODE No list 6 Push the button The display should change from flashing to steady 7 Push the button to bring the system back to normal off state Next write any setting changes made on site after installation such as address settings in the EEPROM Perform the tasks specified in step 1 again TEMP Use the c button to set the CODE No DN code to To set filter sign lighting time Check the value displayed with the value jotted down in Procedure 1 and information proved by the customer Q 1 If there is a discrepancy change the setting in accordance with the jotted down value and push the button The display should change from flashing to steady 2 If
67. be activated with Save operation is valid 26 8 APPLIED CONTROL AND FUNCTION Indoor Controller Block Diagram 8 1 When Main Simple Wired Remote Controller Connected lt Slim Ducted Type gt 8 1 1 yun yun JOopino Joopino NOS C seowes ya seawes p 1lo uuoo eq ued 8 dn g v g vv c 09 1 022 802 1 MOd yun Joopino en In uoteorunuluJoo yino euis uogezuoiuou s yeo 100119 uoneorunuluuoo INOud33 away 5 Y Ne Pompeo ies 1002 NO pe uone1edo ov 201 201 paeoq O d 101 U09 100pul 1In3110 uoneolunuuuuoo Woudaa Aeldsiq 05 0 suun z dn L yun 1oopul 27 lt High Static Ducted Type gt p 1lo9 uuoo ued syun g oi dN yun Joopino 14 J MOd yo yun Joopino omos ya seowes 09 1 02 2 802 99Jnos TOWIO SUEL NV ejo1 1V3H JO OUJ ue 7009 NO
68. be transmitted to other outdoor transmission error Duplicated follower There is duplication in outdoor addresses set ER B E25 e e outdoor address manually 5 Follower outdoor unit initially communicating E26 Pros of outdoor 26 Dropping outor utgoo normally fails to do so reduction in number of signal isnot received normally unit follower outdoor units connected Outdoor header unit detects fault relating to E28 Detected outdoor unit No E28 e Outdoor follower unit error follower outdoor unit detail displayed on follower outdoor unit A3 IPDU Fan A3 IPDU Fan 123 1 2 3 IPDU olof oA o2 2 oc Oj O ae E31 04 ojo Jo o E31 e o IPDU communication error t between IPDUs P C osjo o Jojo o 06 or ololol o o7ololo Circle O 08 Faulty IPDU 0910 Outdoor discharge Outdoor discharge temperature sensor TD1 has F04 F04 temperature sensor TD1 TT error been open short circuited Outdoor discharge 205 _ F05 ALT temperature sensor TD2 eke aa sensor IDs has error Outdoor heat exchanger 01 TE1 Outdoor heat exchanger temperature sensors F06 02 TE2 Fo ALT temperature sensor Tey TE have been open short circuited TE2 error Outdoor liquid temperature Outdoor liquid temperature sensor TL has been 707 FO sensor TL error ope
69. check valve Checkfor refrigerant entrapment inside compressor No temperature Checkfor disconnection of TK4 sensor change is detected Check resistance characteristics of by TK4 despite TK4 sensor compressor having Check for connection error involving been started TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature Check for disconnection of TK5 sensor change is detected Check resistance characteristics of by TK5 despite TK5 sensor compressor having Check for connection error involving been started TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Checkfor refrigerant entrapment inside compressor VF sensor All stop Air discharge Check installation of TD3 sensor miswiring temperature TD3 Check connection of TD3 sensor incomplete does not increase connector and wiring H25 H25 _ insertion despite compressor Check resistance characteristics of 3 being in operation sensor Check for defect in outdoor P C board 72 Check code Location Main Outdoor 7 segment displa
70. cleared and the operation returns to the normal operation zone continues operation of the indoor fan in LOW mode continues until it reaches the 7 zone It is reset when the following conditions are satisfied Reset conditions 1 TC1 gt 54 F 12 C and TC2 gt 54 F 12 and gt 54 F 12 2 20 minutes passed after stop er rea re 1 50 10 14 41 5 10 C Qi 32 F 0 C 7 F 14 C 2 In all cooling operation the air conditioner oper ates as described below based upon temp detected by TC2 and TCJ sensors When M zone is detected for 30 minutes the thermostat is forcedly off In zone the timer count is interrupted and held When shifting to M zone again the timer count restarts and continues If L zone is detected the timer is cleared and the operation returns to normal operation Reset conditions 1 TC1 gt 54 F 12 and TC2 gt 54 F 12 and TCJ gt 54 F 12 2 20 minutes passed after stop L 2 TC2 TCJ 2 41 F 5 C M Q2 28 F 2 0 C Remarks TC1 Temperature of indoor heat exchanger sensor value When the power supply is turned on the forced thermo OFF if the tempera ture is less than this indi cated temperature In a Model without TC2 TC2 is not judged Recovery control for cooling oil Refrigerant The indoor unit which is under ST
71. connection of TK2 sensor connector Check resistance characteristics of TK2 sensor Checkfor defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK3 sensor connector Check resistance characteristics of TK3 sensor Checkfor defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK4 sensor connector Check resistance characteristics of TK4 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK5 sensor connector Check resistance characteristics of TK5 sensor Check for defect in outdoor P C board I F H15 H15 VF TD2 sensor miswiring incomplete insertion All stop Air discharge temperature of TD2 does not increase despite compressor 2 being in operation Check installation of TD2 sensor Check connection of TD2 sensor connector and wiring Check resistance characteristics of TD2 sensor Checkfor defect in outdoor P C board I F ER Sm Check code Location Outdoor 7 segment displa in System Error detection i 9 play PLE Description deus condition s Check items locations controller Check code Sub code 01 TK1 oil VF
72. d Ps All stop Readings of high pressure Pd sensor and low pressure Ps sensor are switched Output voltages of both sensors are zero Check connection of high pressure Pd sensor connector Check connection of low pressure Ps sensor connector Check for defect in pressure sensors Pd and Ps Check for error in outdoor board I F Check for deficiency in compressive output of compressor F22 F22 VF TD3 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD3 sensor connector Check resistance characteristics of TD3 sensor Check for defect in outdoor P C board I F F23 F23 VF Ps sensor error All stop Output voltage of Ps sensor is zero Check for connection error involving Ps sensor and Pd sensor connectors Check connection of Ps sensor connector Check for defect in Ps sensor Check for deficiency in compressive output of compressor Check for defect in 4 way valve Check for defect in outdoor P C board I F Check for defect in SV4 circuit F24 F24 VF Pd sensor error All stop Output voltage of Pd sensor is zero Sensor open circuited Pd gt 601psi 4 15MPa despite compressor having been turned off Check connection of Pd sensor connector Check for defect in Pd sensor Check for defect in outdoor P C board I F 69 Check code
73. d side 5 83 212 30 4 772 3 8 96 k 3 8 9 5 E T 1 25 RI 1 25 E g a 4 1 8 105 S o _ 2 F H 1 Flange E Air discharge port o 2 N Refrigerant pipe connecting port Gas side 5 8 15 9 Drain pipe connecting port VP25 lt Note gt Male screw 1 Indoor unit does not have air filter its inside So be sure to set an air filter local arrangements in the position maintained easily such as a suction grills If there is no air filter dusts are blocked in the air heat exchanger and it may cause failure or water leak in air conditioner 2 Leave sufficient space to remove the air filter when you attach it Attention sure to set the plug and to make it to be able to um 6 4 because garbage in drain piping piles up easily in drain trap 163 _ 34 5 876 Ng Check panel s2 5 al 55 PI dl Check and cleaning port T 1 ee nat iD 0 Air suction port Flange Unit in mm 136 3 WIRING DIAGRAM Slim Ducted Type 3 1 N33M9 NH9 POL ZOL LOL Ajeye1edes Mela yoojg Jeue J llolJuoo Joopu 10 Nn 2 JONVMHO NYO Josues Joopu SIOLUSY JOOPINO pieoq O d ou
74. d to outdoor units belonging to different refrigerant line address hs refrigerant piping systems Duplicated priority indoor L5 5 as displayed on aie unit has DOS eo pas Number of priority indoor units priority indoor unit 06 check code 105 L06 depending Duplicated priority indoor individual unit LOG e sim unit as displayed on More than one indoor unit has been set up as indoor unit other than priority indoor unit priority indoor unit _ Indoor group address Address setting has not been performed for i L08 e SM set more indoor units also detected at indoor end E Outdoor unit capacity has not been set after L10 L10 SIM Outdoor capacity not set board replacement Outdoor model Old model outdoor unit prior to 3 series has been SIM incompatibility error connected Cooling heating selection Cooling heating cycle error resulting from piping L18 L18 SM unit error error is detected _ Too many outdoor units More than four outdoor units have been 28 28 connected connected 58 Check code Display of receiving unit Outdoor 7 segment display TCC LINK Indicator light block central control Typical fault site Description of error ormainremote n Sub code con
75. de 03 Compressor 3 side VF Detection of open phase phase sequence Inverter DC voltage Vdc error compressor MG CTT error All stop Open phase is detected when power is turned on Inverter DC voltage is too high overvoltage or too low undervoltage Check for defect in outdoor P C board I F P07 P07 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side IPDU VF Heat sink overheating error All stop Temperature sensor built into IGBT TH is overheated Check power supply voltage Check outdoor fan system error Check heat sink cooling duct for clogging Check IGBT and heat sink for thermal performance for faulty installation e g mounting screws and thermal conductivity Check for defect in A3 IPDU faulty IGBT built in temperature sensor TH P10 P10 Detected indoor address Indoor unit Indoor overflow error All stop Float switch operates Float switch circuit is open circuited or disconnected at connector Check float switch connector Check operation of drain pump Check drain pump circuit Check drain pipe for clogging Check for defect in indoor P C board P12 Indoor unit Indoor fan motor error Stop of corresponding unit Motor speed measurements continuously deviate from target value Overcurrent protection is activated Check co
76. door controller side Drain pump control In cooling operation this control anytime operates the drain pump During operation of the drain pump if the float switch operates the drain pump continuously operates and a check code is issued During stop status of the drain pump if the float switch operates the thermostat is forcedly off and this control operates the drain pump After continuous operation of the float switch for approx 5 minutes this control stops the operation and a check code is issued Check Code P10 Display of filter sign Separately set type TCB AX21UL is prepared The filter sign is displayed with LC by sending the filter reset signal to the remote controller when the specified time 150H 2500H elapsed as a result of integration of the operation time of the indoor fan The integrated timer is cleared when the filter reset signal is received from the remote controller In this time if the specified time elapsed the counted time is reset and the LC display is deleted 24 FILTER goes Outline of specifications Remarks Display of lt READY gt Displayed on the remote controller READY gt display READY 1 When the following check codes are indicated No display for wireless HEAT READY Open phase of power supply wiring P05 was detected type remote controller There is an indoor unit that detected the indoor overflow P10 There is an
77. door unit in that line does not exist 5 Push C5 button to determine the set data Push C5 button to select a line again in the Procedure 2 4 6 Every pushing button button at left side the indoor unit No in the identical piping is displayed one after the other Only fan and louver of the selected indoor unit start operation Repeat the Procedures 4 to to change all the indoor addresses so that they are not duplicated TIMER FAN MODE g 8 C82 4 d iol SAVE VENT 7 Push button Finish RESET TEST SET een t LOUVER All the indications of LCD go on 6 1L 5 When you want to complete the setting 7 8 Push e button and then the procedure Operation procedure finishes 1 gt 2 3 4 5 6 7 8 END 49 m Function to clear error 1 Clearing method from remote controller How to clear error of outdoor unit In the unit of refrigerant line connected by indoor unit of the remote controller to be operated the error of the outdoor unit currently detected is cleared Error of the indoor unit is not cleared The service monitor function of the remote controller is utilized lt Method gt Push Or G buttons simultaneously for 4 seconds or more to change the mode to service monitor mode 2 Push c button to set the item code to FF The display of A part in the following figure is counted as 0005 0004
78. e filter from lead wire to detect fan motor position Take off screws of fan motor fixing bracket Earth wires of the motor are tightened together M5 0 39 10mm 2 pcs Remove tie wrap which fixes the lead wires Remove fixing bracket of the fan motor by holding it with hands so that the fan motor does not fall down r Earth lead Attachment 1 Mount the fan motor as before in order Fan motor Fixing bracket of fan motor Noise filter Lead wire process E cover NOTE Check there is no missing or poor contact of the connectors Check also that the multi blade fan turns surely and smoothly and check together tightening of motor earth 85 Part name Procedure Remarks bly Under panel Drain pan assem 1 Detachment 1 Take off the drain cap and drain the drain water accumulated in the drain pan assembly NOTE When taking off drain cap and drain hose be sure receive drain water in a bucket etc 2 Take off screws fixing the under panel while holding it to remove M4 0 39 10mm 8 pcs NOTE Be careful that sheeting metal does not fall when removing the under panel 3 Pull out the drain pan assy by holding handle at lower part NOTE When pulling out the drain pan assy never pull out the drain socket by drawing it with hands If doing so water leak may be caused 4 Pull out it to some extent lay hand
79. e for hanging bolt S e 4 0 5 12 x 3 6 92 i oy y Space required for installation or service work he 5 H 55 sl Service 9 4 z E 5 _ l l Distance from building 9 e g e 2l T als eha 5 S g o 2 8 1 J o LOSS ai gg 55 Service gue S at e 5 space Check port 1 6 40 SW 27 6 700 T ori Hanging bolt mounting pitch di ic 29 1 740 Unit external dimension Unit external dimension gt 33 5 850 _ 26 660 v e _ 87 26 5 672 L 3 8 96 TER 4 1 105 2 4 60 3 1 25 BAS es S s gt T i 9 2 1 VI eae C T Flange S S Air discharge port 2 9e P Entering of power supply Electric parts box N io and communication wires e T e Refrigerant pipe connecting port 4 3 Refri ii efrigerant pipe Gas side 5 8 15 9 110 connecting port Drain pipe connecting port VP25 Liquid side 3 8 9 5 Note Male screw 1 Indoor unit does not have air filter its inside So be sure to set an air filter local arrangements in the position maintained easily such as a suction grills If there is no air filter dusts are blocked in the air heat exchanger and it may cause failure or water leak in air conditioner 2 Leave sufficient space to remove the air filter when you attach it
80. eader unit and continued operation for follower unit Outdoor discharge Wiring installation error or detachment of outdoor H05 _ H05 e temperature sensor TD1 discharge temperature sensor TD1 has been wiring error detected H06 _ H06 e e Activation of low pressure Low pressure Ps sensor detects abnormally low protection operating pressure A Temperature sensor for oil level detection TK1 5 Hoy nor Row all level protection detects abnormally low oil level 01 TK1 sensor error 02 TK2 sensor error Error in temperature R 8 03 TK3 sensor error H08 e e sensor for oil level a detection TK1 5 04 TK4 sensor error detection TK1 5 P 88 05 TK5 sensor error Outdoor discharge Wiring installation error or detachment of outdoor H15 H15 e temperature sensor TD2 discharge temperature sensor TD2 has been wiring error detected 01 TK1 oil circuit error 02 TK2 oil circuit error P No temperature change is detected by H16 03 TK3 oil circuit error H16 o e temperature sensor for oil level detection TK1 5 04 TK4 oil circuit error despite compressor having been started 05 TK5 oil circuit error Outdoor discharge Wiring installation error or detachment of outdoor H25 25 e temperature sensor discharge temperature sensor has been wiring error detected Identical refrigerant line address has been L04 L04 SIM Duplicated outdoor assigne
81. eck code E04 Indoor Outdoor communication circuit error is issued Note 2 When an address was manually set from the remote controller and the central control over the refrigerant lines is carried out perform the following setting for the Header unit of each line Set the line address for every line using SW13 and 14 on the interface P C board of the Header unit in each line Except the least line address No turn off SW30 2 on the interface P C board of the Header units in the lines connected to the identical central control Draw the terminal resistances of indoor outdoor and central control line wirings together For each refrigerant line connect the relay connector between Header unit U1U2 and U3U4 terminals After then set the central control address For setting of the central control address refer to the Installation manual for the central control equipment 45 B Confirmation of indoor unit No position 1 To know the indoor unit addresses though position of the indoor unit is recognized In case of individual operation Wired remote controller indoor unit 1 1 Follow to the procedure during operation Procedure 1 2 Push 29 button button at left side if the unit stops UNIT LOUVER Push button button at left side Unit No t t is displayed on LCD It disappears after several seconds The displayed unit No indicate line address and indoor unit address When oth
82. ed Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air air conditioner installation conditioner installation Used tool Existence of Whether conven new equipment tional equipment for R410A can be used Whether conventional equipment can be used Flare tool Pipe flaring Copper pipe gauge for Flaring by conventional adjusting projection margin flare tool Torque wrench Tightening of flare nut Gauge manifold Evacuating refrigerant Charge hose charge run check etc Vacuum pump adapter Vacuum evacuating e e Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Note When flaring is carried out for R410A using t
83. ed from indoor unit E01 e e faulty remote controller master remote controller has not been set communication reception including two remote controller control _ n Faulty remote controller P E02 e communication transmission Signals cannot be transmitted to indoor unit Both remote controllers have been set as master remote controller two remote E09 _ Duplicated masterremiote controller control alarm and shutdown for controller header unit and continued operation for follower unit Error detected by central control device Check code Display of receiving unit TCC LINK central Outdoor 7 segment display Indicator light block Operation Timer Ready Typical fault site Description of error control Sub code Flash Central control device is unable to transmit Faulty central control C05 communication transmission c due to duplication of central control evice No indication when Faulty central control Central control device is unable to receive SUB 7 main remote controller mmunication reception signal also in use p gna Multiple network adapters are connected to _ Multiple network adapters remote controller communication line Blanket alarm for general Device connected to general purpose device C12 _ _ _ purpose device control control interface for TCC LINK is faulty interface Group follow
84. elsius to Fahrenheit indication follow to the reverse order of the above procedure RC No 53 9 TROUBLESHOOTING 9 1 Overview 1 Before engaging in troubleshooting a Applicable models All Super Module Multi SMMS i models Indoor units MMD APOOO Outdoor units MMY MAPOOO b Tools and measuring devices required Screwdrivers Philips flat head spanners long nose pliers nipper pin to push reset switch etc Multimeter thermometer pressure gauge etc c Things to check prior to troubleshooting behaviors listed below are normal NO Behavior Possible cause A compressor would not start Could it just be the 3 minute delay period 3 minutes after compressor shutdown Could it just be the air conditioner having gone thermo OFF Could it just be the air conditioner operating in fan mode or put on the timer Could it just be the system going through initial communication An indoor fan would not start Could it just be cold air discharge prevention control which is part of heating An outdoor fan would not start or would change speed for no reason Could it just be cooling operation under low outside temperature conditions Could it just be defrosting operation An indoor fan would not stop Could it just be the elimination of residual heat being performed as part of the air conditioner shutdown process after heating operation The air conditioner would not res
85. ems thoroughly in the following contents Indications IIlustrated marks and keep them The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual Explanation of indications Indication Explanation DANG ER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the AN WARNING repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the AN CAUTION repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concr
86. en changed correctly push the TEST button to finish the proce dure SET DNA GEG N n 1 sw 7A DON OFF MODE 8 VENT FAN Cr C SAVE PS SWING FIX UNIT LOUVER F e 48 B How to change all indoor addresses from an arbitrary wired remote controller It is possible when setting has finished by automatic addresses Contents The indoor unit addresses in each identical refrigerant piping line can be changed from an arbitrary wired remote controller Enter in address check change mode and then change the address Procedure Carry out this procedure during stop of system 1 Push the timer time button v e simultaneously for 4 seconds or more First line 1 and CODE No AL Address Change are displayed 2 Select line address using s e Cr button 4 Push the amp button The address of the indoor unit connected to the refrigerant piping of the selected outdoor unit is displayed and the fan and the louver are on TIMER SET First the current indoor address is displayed 1 Les Line address is not displayed RESET TEST SET SWING FIX UNIT LOUVER 4 2 button push up down the indoor address of the SET DATA Cancel of line selection The set data is changed to a new address ll If the UNIT No is not call up here the out
87. er indoor units are connected to the identical remote controller Group control unit other unit numbers are also displayed every UNIT LOUVER pushing s button button at left side 1 Operation FAN MODE SAVE VENT FILTER RESET TEST SWING FIX UNIT LOUVER Operation procedure 1 2 END 2 To know the position of indoor unit by address To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group control are successively displayed and fan louver and drain pump of the corresponding indoor unit are turned on Follow to the procedure during operation 1 VENT TEST Push c gt and buttons simultaneously for 4 seconds or more Unit No ALL is displayed Fans and louvers of all the indoor units in the group control operate UNIT LOUVER Every pushing G gt button button at left side the unit numbers in the group control are successively displayed The unit No displayed at the first time indi cates the master unit address Fan and louver of the selected indoor unit only operate Push amp button to finish the procedure the indoor units in the group control stop UNIT No Mir i SWING FIX UNIT LOUVER F CE Operation procedure
88. er unit is faulty unit and P30 251 alarmi unit E control follower unit above detail displayed on main remote controller Note The same error e g a communication error may result in the display of different check codes depending on the device that detects it Moreover check codes detected by the main remote controller central control device do not necessarily have a direct impact on air conditioner operation 56 List of Check Codes Outdoor Unit Errors detected by SMMS i outdoor interface typical examples IPDU Intelligent Power Drive Unit Inverter P C board O Lighting Flashing Goes off ALT Flashing is alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Check code Display of receiving unit Outdoor 7 segment display TCC LINK central control Indicator light block Typical fault site Description of error ormainremote i Sub code controller Operation Timer Flash display VS Indoor unit initially communicating normally fails to Number of indoor units from which 5 TE gt E06 signal is received normally E06 e Dropping out of indoor unit reduction in number of indoor units Indoor outdoor Signal cannot be transmitted to indoor units E07 E04 e
89. eration 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4UL Input IFCB 4UL No voltage ON OFF serial signal Output No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A Indoor control board Remote location ON OFF control box TCB IFCB 4UL ON OFF serial signal input COM Operation signal output gt Error signal output Power supply 208 230 1 60 42 m 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 In a group control the units are collectively operated and they can not be individually operated 1 Operation Handle a wired remote controller in the following procedure Use the wired remote controller during stop of the system Be sure to set up the wired remote controller to the header unit Same in group control n a group control if the wired remote controller is set up to the header unit both header and follower units are simultaneously operable CL Push concurrently buttons for 4 seconds or more
90. error ________ L18 Flow selector units error Synchronized blinking L20 Duplicated central control address L28 Too many outdoor units connected L29 Error in number of IPDUs L30 Indoor external interlock error 63 Light block Check code Cause of fault Operation Timer Ready N pos Q O F31 Outdoor EEPROM error L Synchronized blinking Other indications not involving check code Light block Check code Cause of fault Operation Timer Ready Xt Xx Xx I I 1 Synchronized blinking Test run in progress Operation Timer Ready X XX l 1 L I Alternate blinking Setting incompatibility automatic cooling heating setting for model incapable of it and heating setting for cooling only model 64 9 4 Check Codes Displayed on Remote Controller SMMS i Outdoor Unit 7 Segment Display on I F Board and Locations to Be Checked For other types of outdoor units refer to their own service manuals Check code n Location Main Outdoor 7 segment display of Description System status atone Check items locations remote detection controller Check code Sub code Remote Indoor remote Stop of Communication between Check remote controller controller controller corresponding indoor P C board and remote inter unit tie cable A B communication unit controller
91. ete 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 x For details refer to the electric wiring diagram Turn off breaker high voltage capacitor terminals Execute discharge If discharge is not executed an electric shock is caused by high voltage resulted in a death or injury between terminals After turning off the breaker high voltage also keeps to apply to the high voltage capacitor o When removing the front panel or cabinet execute short circuit and discharge between Do not turn on the breaker under condition that the front panel and cabinet are removed An electric shock is caused by high voltage resulted a death or injury Prohibition Check earth wires Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the main unit otherwise an
92. exchanger and then remove it 94 Service panel TC1 sensor Tube color Blue TCJ sensor Tube color Red TC2 sensor Tube color Black Fixed screws for heat exchanger assembly A 509 z Heat exchanger assembly Wind direction plate For 048 type only Pipe fixed plate 11 P C BOARD EXCHANGE PROCEDURES Indoor unit 11 1 Replacement of indoor P C board Part code Model type P C board type 431 6V 445 MMD AP SPH2UL series MCC 1402 431 6V 502 MMD AP H2UL series MCC 1403 Points to note when replacing indoor P C board assembly The electrically erasable programmable read only memory hereinafter EEPROM IC10 mounted on an indoor board holds important setting data including the type and capacity codes intrinsic to the model set at the factory as well as the line indoor group addresses high ceiling adjustment setting and the like during installation either automatically or manually Proceed with the replacement of an indoor P C board assembly in accordance with the procedure described below After completion of the work check the settings again including the indoor unit No and group header follower designation and confirm the integrity of the refrigerating cycle by conducting a test operation etc lt Replacement procedure gt Method 1 If it is possible to turn on the indoor unit and read the setting data from the P C board to be replaced a wired
93. fied length of time Backup setting is being used for outdoor units Check power supply to outdoor unit Is power turned on Check connection of tie cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Checkfor defect in outdoor P C board I F E28 E28 Detected outdoor unit No VF Outdoor follower unit error All stop Outdoor header unit receives error code from outdoor follower unit Check check code displayed on outdoor follower unit lt Convenient functions gt If SW04 is pressed and held for at least 1 second while E28 is displayed on the 7 segmentdisplay of outdoor header unit the fan of the outdoor unit that has been shut down due to an error comes on If SW04 and SW05 are pressed simultaneously the fans of normal outdoor units come on To stop the fan or fans press SW05 on its own 67 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations E31 IPDU Fan 3 IPDU 5 a 1 108 oD O 0E O LOF O O Symbol O signifies site of PDU error O O O O VF IPDU communicat
94. for defect in outdoor P C board A3 IPDU Check outdoor MG CTT H02 H02 01 Compressor 1 IPDU Current All stop Current flow of at least Check current detection circuit side detection specified magnitude is wiring 02 Compressor 2 circuit error detected despite inverter Check defect in outdoor P C side compressor having been board A3 IPDU 03 Compressor 3 shut turned off side H03 VF TD1 sensor All stop Discharge temperature of Check installation of TD1 miswiring compressor 1 TD1 does sensor incomplete not increase despite Check connection of TD1 insertion compressor being in sensor connector and wiring operation Check resistance characteristics of TD1 sensor Check for defect in outdoor P C board I F H05 H05 _ VF Activation of All stop Low pressure Ps sensor Check service valves to low pressure detects operating pressure confirm full opening protection lower than 0 02MPa both gas and liquid sides Check outdoor PMVs for clogging PMV1 2 Check for defect in SV2 or SV4 circuits Check for defect in low pressure Ps sensor Check indoor filter for clogging Check valve opening status of indoor PMV Check refrigerant piping for clogging Check operation of outdoor fan during heating Check for insufficiency in refrigerant quantity MG CTT Magnet contactor H06 H06 _ 1 Total shutdown in case of header unit Continued operation in case of follo
95. fter checking the receiving sound After checking the receiving sound Pi immediately push Temperature set button to immediately push Temperature set button to set to 66 F 19 C set to 84 F 29 C After checking the receiving sound After checking the receiving sound immediately push Temperature set button to immediately push Temperature set button to set to 64 F 18 C set to 86 F 30 C Then repeat the procedure 4 5 4 gt 5 After approx 10 seconds all the display lamps on the sensor part of wireless remote controller Operation 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 Be sure to set the air speed to High 3 4 5 6 2 7 37 B Check function for operation of indoor unit Functions at indoor unit side This function is provided to check the operation of the indoor unit singly without communication with the remote controller or the outdoor unit This function can be used regardless of operation or stop of the system However if using this function for a long time a trouble of the equipment may be caused Limit using this function within several minutes How to operate 1 Short circuit CHK pin CN71 on the indoor P C board The ope
96. ful that sheeting metal does not fall when removing the plate inlet 2 Attachment 1 Using the screws taken off in procedure 1 of D attach the plate inlets in order of B A while holding them not to fall down Plate inlet B 6 screws Plate inlet A 8 screws E cover 1 Detachment 1 Perform work 1 of D 2 Take off screws fixing E cover and then remove hooks of the hooking part by lifting up M4 0 39 10mm 2 pcs Attachment 1 Hang on E cover to hooks of the hooking part so that it does not fall down NOTE Be sure not to catch TA sensor in the E cover otherwise the equip ment cannot operate correctly 2 Using the screws taken off in procedure 1 of attach E cover while holding it with hands without clearance NOTE If there is clearance dust may enter in the electric parts box 81 Part name Procedure Remarks E box 1 Detachment 1 Perform works 1 of and 1 of 2 Remove clamps at upper part of the photo 3 Take off screws fixing E box M4 0 39 10mm 2 pcs E box does not fall down under condi tion that screws are taken off 4 Remove the E box over sheeting metal which was fixed with screws Attachment 1 Insert hooks of E box into the hooking part of the main body 2 Store E box as before and then attach it by using screws taken off in proce dure 1 3 of NOTE Be sure to fix sure
97. h the list When investigating a fault on the basis of a display provided on the indoor remote controller or TCC LINK central control remote controller See the TCC LINK remote control or main remote controller display section of the list When investigating a fault on the basis of a display provided on an outdoor unit See the Outdoor 7 segment display section of the list When investigating a fault on the basis of a wireless remote controller controlled indoor unit See the Light sensor indicator light block section of the list List of Check Codes Indoor Unit Error detected by indoor unit IPDU Intelligent Power Drive Unit Inverter P C board O Lighting Flashing Goes off ALT Flashing is alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Check code Display of receiving unit Outdoor 7 segment display Indicator light block TCC LINK central Typical fault site Description of error ae eip remote Sub code ton Timer Ready Indoor remote controller periodic Communication from remote controller or network e adaptor has been lost so has central control communication error communication Indoor outdoor periodic 04 e communication error Signals are not being received from outdoor unit E08 E08 Duplicated indoo
98. he conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools Vacuum pump Use vacuum pump by attaching vacuum pump adapter 7 Torque wrench 8 Pipe cutter 9 Reamer 10 Pipe bender 11 Level vial 12 Screwdriver Spanner or Monkey wrench Hole core drill Hexagon wrench Opposite side 4mm Tape measure 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 1 SPACIFICATIONS 1 1 Slim Ducted Type MMD AP0074SPH2UL APO0094SPH2UL AP0124SPH2UL AP0154SPH2UL AP0184SPH2UL Model name MMD AP0074SPH2UL APOO94SPHA2UL APO124SPH2UL AP0154SPH2UL APO184SPH2UL Cooling Capacity kBtu h 7 5 9 5 12 15 4 18 Heating Capacity kBtu h 8 5 10 5 13 5 17 20 Electrical Power supply 230V 208 230V iphase 60Hz characteristics Power consumption 0 043 0 043 0 048 0 061 Appearance Zinc hot dipping steel plate Height 8 3 Dimension Packing Unit Packed unit Heat exchanger Finned tube Total Weight Fan Centrifugal fan Standard air flow High Mid Low 318 276 235 353 306 2
99. iced N P C board d P C board Service P C board 7 Remove group control wiring from terminals A and B of indoor unit being serviced and connect remote controller wiring T a 0 30 Group control wiring Remote controller Case 2 Indoor unit Indoor unit Indoor unit one being serviced P C board X P C board Service P C board Remove CN41 connectors of all other indoor units in same group Group control wiring Remote controller Be sure to restore the temporarily removed group control wiring and CN41 connectors to their initial states after Procedure 3 has been completed 97 Procedure 3 writing setting data in EEPROM The EEPROM of the service board has been set to the factory default values SET CL 1 Push the buttons simultaneously and hold lt Fig 1 RBC AMT32UL gt for at least 4 seconds This number corresponds to the same number shown on the Remote Controller Operation Diagram Under UNIT No ALL is displayed At the same time the CODE No DN code 1L is displayed and the fan of the indoor unit comes on with the louver swinging depending on the model UNIT LOUVER 4 2 Push the left part of the _ 9 button to display the indoor unit No one by one in the group control Specify the indoor unit No whose service PC board w
100. indoor control P C board and the relay within 2m 43 B Leaving ON prevention control Function This function controls the indoor units individually It is connected with cable to the control P C board of the indoor unit n a group control it is connected with cable to the indoor unit Control P C board and the CODE No ZE is set to the connected indoor unit t is used when the start operation from outside if unnecessary but the stop operation is necessary Using a card switch 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 CL TEST Push concurrently 5
101. indoor outdoor communication line Checkfor defect in outdoor P C board I F E20 E20 01 Connection of outdoor unit from other line 02 Connection of indoor unit from other line VF Connection to other line found during automatic address setting All stop Equipment from other line is found to have been connected when indoor automatic address setting is in progress Disconnect inter line tie cable in accordance with automatic address setting method explained in Address setting section E23 E23 VF Outdoor outdoor communication transmission error All stop Signal cannot be transmitted to other outdoor units for at least 30 seconds continuously Check power supply to outdoor units Is power turned on Check connection of tie cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Checkfor defect in outdoor P C board I F Check termination resistance setting for communication between outdoor units E25 E25 VF Duplicated follower outdoor address All stop There is duplication in outdoor addresses set manually Note Do not set outdoor addresses manually E26 E26 Address of outdoor unit from which signal is not received normally VF Dropping out of outdoor unit All stop Outdoor unit initially communicating normally fails to return signal for speci
102. indoor unit that detected the interlock alarm L30 2 During Force Thermo OFF COOL DRY operation is unavailable because the other indoor unit operates with HEAT mode HEAT operation is unavailable because COOL priority SW11 bit1 of the Outdoor I F P C board is ON is set and the other indoor unit operates with COOL DRY mode 3 The above indoor units that cannot operate stay in Thermo OFF status 4 The indoor fan stops because the system performs Recovery operation for heating refrigerant Oil HEAT READY Displayed on the remote controller HEAT READY gt 1 Normal thermo OFF display During heating the indoor unit goes thermo OFF as the heating temperature setting is reached During heating the fan rotates at a breeze speed UL or lower or remains stationary to prevent cold air from being discharged including defrosting operation Forced thermo OFF HEAT operation is unavailable because at least one indoor unit is operating in COOL DRY mode under priority cooling setting bit 1 of SW11 on outdoor I FP C board ON Selection of Selection of the contents that can be operated by the remote controller at the indoor central control unit side is possible according to setting at the central controller side mode Setting contents n case of TCC LINK central control Operation from Operation on RBC AMT32UL On TCC LINK ON OFF Operation Timer Temp Air speed Air direction RBC AMT
103. ion error All stop Communication is disrupted between IPDUs P C boards in inverter box Check wiring and connectors involved in communication between IPDU I F P C board for bad contact or broken wire Check for defect in outdoor P C board I F A3 IPDU or Fan IPDU Check for external noise F01 Indoor unit Indoor TCJ Sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TCJ sensor connector and wiring Check resistance characteristics of TCJ sensor Check for defect in indoor P C board F02 Indoor unit Indoor TC2 Sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TC2 sensor connector and wiring Check resistance characteristics of TC2 sensor Check for defect in indoor P C board F03 Indoor unit Indoor TC1 Sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TC1 sensor connector and wiring Check resistance characteristics of TC1 sensor Check for defect in indoor P C board F04 F04 VF TD1 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD1 sensor connector Check resistance characteristics of TD1 sensor Check for defect in outdoor P C board I F
104. ity or zero open short circuit Check connection of TA sensor connector and wiring Check resistance characteristics of TA sensor Check for defect in indoor P C board F11 Indoor unit Indoor TF Sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TF sensor connector and wiring Check resistance characteristics of TF sensor Check for defect in indoor P C board F12 F12 VF TS1 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TS1 sensor connector Check resistance characteristics of TS1 sensor Check for defect in outdoor P C board I F F13 F13 01 Compressor 1 side 02 Compressor2 side 03 Compressor 3 side IPDU TH sensor error All stop Sensor resistance is infinity or zero open short circuit Defect in IGBT built in temperature sensor Replace A3 IPDU P C board F15 F15 VF Outdoor temperature sensor wiring error TE1 TL All stop During compressor operation in HEAT mode TE1 continuously provides temperature reading higher than indicated by TL by atleast specified margin for 3 minutes or more Check installation of TE1 and TL sensors Check resistance characteristics of TE1 and TL sensors Check for outdoor P C board I F error F16 F16 VF Outdoor pressure sensor wiring error P
105. kage Check SV4 circuit for wiring or installation error involving SV41 SV42 and SV43 P18 P18 VF Discharge temperature TDS error All stop Discharge temperature TD3 exceeds 239 F 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD3 sensor Check for defect in 4 way valve Check SV43 circuit for leakage Check SV4 circuit for wiring or installation error involving SV41 SV42 and SV43 76 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations P19 P19 Detected outdoor unit No VF 4 way valve reversing error All stop Abnormal refrigerating cycle data is collected during heating operation Check for defect in main body of 4 way valve Check for coil defect in 4 way valve and loose connection of its connector Check resistance characteristics of TS1 and TE1 sensors Check output voltage characteristics of Pd and Ps pressure sensors Check for wiring error involving TE1 and TL sensors P20 P20 VF Activation of high pressure protection All stop Pd sensor detects pressu
106. l stop Protective shutdown due to sustained suction temperature at or above judgment criterion for at least 10 minutes is repeated four times or more lt TS error judgment criterion gt In cooling operation 140 F 60 C In heatling operation 104 F 40 C Check for insufficiency in refrigerant quantity Check outdoor service valves gas side liquid side to confirm full opening Check PMVs PMV1 2 for clogging Check resistance characteristics of TS1 sensor Check for defect in 4 way valve Check SV4 circuit for leakage 02 TD condition VF Gas leak detection TD condition All stop Protective shutdown due to sustained discharge temperature TD1 TD2 or TD3 at or above 226 1080 for at least 10 minutes is repeated four times or more Check for insufficiency in refrigerant quantity Check PMVs PMV 1 2 for clogging Check resistance characteristics of TD1 TD2 and TD3 sensors Check indoor filter for clogging Check piping for clogging Check SV4 circuit for leakage or coil installation error P17 P17 VF Discharge temperature TD2 error All stop Discharge temperature TD2 exceeds 239 F 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD2 sensor Check for defect in 4 way valve Check SV4 circuit for lea
107. lli m TEE Cs CN34 CNO30 From left CN112 111 and 110 If a short circuiting plug had been used on the replaced If a short circuiting plug had been used on the replaced P C board reuse it on the service P C board P C board reuse it on the service P C board 2 ttis necessary to establish a one to one correspondence between the indoor unit being serviced and the remote controller Turn on the indoor unit using one of the methods described below according to the system configuration 1 Single stand alone operation Turn on the indoor unit and proceed to Procedure 3 2 Group operation A If it is possible to selectively turn on the indoor unit being serviced Turn on the indoor unit being serviced and proceed to Procedure 3 B If it is not possible to selectively turn on the indoor unit being serviced Case 1 a Temporarily disconnect the group control wiring from terminals A and B of the indoor unit being serviced b Connect the remote controller wiring to the terminals turn on the indoor unit and proceed to Procedure 3 f this method cannot be used proceed to the alternative method described below Case 2 C If it is not possible to selectively turn on the indoor unit being serviced Case 2 a Remove the CN41 connectors of all other indoor units in the same group b Turn on the indoor unit and proceed to Procedure 3 Case 1 Indoor unit Indoor unit Indoor unit one being serv
108. ly as before the lead wires of which clamps were taken off Check that lead wires of the drain pump do not reach the fan so that they are not caught in the fan and then fix them 82 Part name Procedure Remarks board assembly 1 Detachment 1 Perform works 1 of D 1 of Q and 1 of 9 2 Disconnect connectors which connected from P C board assembly to other parts NOTE Unlock the lock of the housing to disconnect the connectors CN40 Indoor Outdoor communication 2P Blue CN41 Remote controller terminal 3P Blue CN67 Power supply terminal Black CN100 TC1 sensor Brown CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN333 Fan motor power supply 5P White CN334 Detection of fan motor position 5P White Relay connector CN82 PMV lead 6P Blue CN34 Float SW Red CN68 Drain pump lead Blue 3 Unlock the lock of the card edge spacer and then remove board assembly 2 Attachment 1 Attach P C board assembly to the card edge spacer 2 Using wires connect connectors as before which were disconnected in procedure 1 2 of NOTE Check there is no missing or poor contact of the connectors board Part name Procedure Remarks Multi blade fan fan lower case fan upper case Detachment 1 Perform work 1 of
109. n os v 80NO indjno i NNa GLONO AVL ALLOV enc apis 1euuojsuea Ajddns s 8 1 5 Board Optional Switch Connector Specifications Function Connector No Pin No Specification Remarks Fan output 1 DC12 V Factory default setting ON when indoor unit in operation and OFF when indoor unit at rest CN32 2 Suput Fan can be operated on its own by pressing FAN button on remote controller DN 31 HA 1 Start stop inpu Start stop input for HA J01 In place Removed Pulse input factory default Step input 2 3 Remote controller disabling Enables disables start stop control via remote CN61 inpu controller 4 In operation output ON during operation HA answerback signal 5 DC12 V COM 6 Alarm output ON while alarm ON Optional 1 DC12 V COM output 2 Defrosting output ON while outdoor unit defrosted 3 Thermostat ON output ON while real thermostat ON compressor ON 4 Cooling output ON while air conditioner in cooling or related operation CN60 COOL DRY or cooling under AUTO mode 5 Heating output ON while air conditioner in heating operation HEAT or heating under AUTO mode 6 Fan output ON while indoor fan ON air cleaner in use or via interlock wiring External error 1 DC12 V COM Generates test code L30 and automatic
110. n short circuited Outdoor outside air Outdoor outside air temperature sensor TO has F08 _ F08 ALT temperature sensor TO been Oben ehert irouitod TO error 11 _ F11 57 Check code Display of receiving unit Outdoor 7 segment display TCC LINK central control Indicator light block Typical fault site Description of error or main remote n Sub code controller Operation Timer Ready Flash display Outdoor suction A E Outdoor suction temperature sensor TS1 has F12 F12 ALT 51 been open short circuited Outdoor temperature P _ Vd Wiring error in outdoor temperature sensors TE1 F15 F15 O ALT TE1 TL wiring TL has been detected _ Outdoor pressure sensor Wiring error in outdoor pressure sensors Pd Ps F16 F16 Pd Ps wiring error has been detected Outdoor discharge Outdoor discharge temperature sensor has F22 F22 ALT ee sensor TD3 been open short circuited F23 _ F23 ALT sensor Ps Output voltage of low pressure sensor Ps is zero Output voltage of high pressure sensor Pd is zero F24 _ F24 O ALT ue pressur sensor Po or provides abnormal readings when compressors have been turned off Outdoor EEPROM is faulty alarm and shutdown F31 x F31 O SIM Outdoor EEPROM error for h
111. nect Faston of the fan motor lead to pow m EN the terminal block as original RU ew FOr fix partsjb Terminal block No 1 F2 F3 Wire color Blue Black Screw For fixing Conduit fixed plate conduit fixed plate Clamp fixed plate Screw For fixing clamp fixed plate 89 Part name Procedure Remarks Control P C board 1 Remove cover of the electric parts box Refer to D 2 Remove each connector from board NOTE Unlock the housing and then remove the connector CN40_ Indoor Outdoor communication 2P Blue Communication terminal block 2P Remote controller terminal Blue Remote controller terminal block 2P CN67 Power supply terminal Black CN74 Trance former White CN75 Sub PC board 6P White CN82 PMV lead 6P Blue CN83 Fan motor 9P White CN100 TC1 sensor Brown CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN104 TA sensor 2P Yellow 3 Take off the lock of the card edge spacer and then remove P C board assembly CN41 CN100 CN101 CN102 CN104 CN40 Caution at attachment Using wire connect connectors as before which were disconnected in procedure 2 of Check there is no missing or poor contact of the connectors 90 C board assembly Part name Procedure Remarks Fan Fan motor 1
112. nit 260 9 3 Troubleshooting Based on Information Displayed Remote Controller Using main remote controller RBC AMT32UL 1 Checking and testing When a fault occurs to an air conditioner a check code and indoor unit No are displayed on the display window of the remote controller Check codes are only displayed while the air lt conditioner is in operation m If the display has already disappeared access error history by following the procedure described Check code below Indoor unit No in which fault has occurred 2 Error history The error history access procedure is described below up to four errors stored in memory Error history can be accessed regardless of whether the air conditioner is in operation or shut down Procedure To be performed when system at rest 1 Invoke the SERVICE CHECK mode by pushing the buttons simultaneously and holding for at least 4 seconds The letters SERVICE CHECK light up andthe check wre Ot is displayed indicating the error history This is Re w accompanied by the indoor unit No to which the error history is related and a check code 2 check other error history items push the G5 c 2 button to select another check code TI d 6 H SWING FIX UNIT LOUVER Check code ut latest Check code oldest Se Slags os Note Error history contains four items 3 When the button is pushed
113. nnection of fan connector and wiring Check for defect in fan motor Check for defect in indoor P C board Check impact of outside air treatment OA In the case of incorrect duct setting performed at installation or if an access panel for the maintenance is removed while indoor unit is in operation c5 MG CTT Magnet contactor Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations P13 P13 _ VF Outdoor liquid backflow detection error All stop lt During cooling operation gt When system is in cooling operation high pressure is detected in follower unit that has been turned off lt During heating operation gt When system is in heating operation outdoor PMV 1 or 2 continuously registers opening of 100p or less while under SH control Check full close operation of outdoor PMV 1 2 4 Check for defect in Pd or Ps sensor Check gas balancing circuit SV2 for clogging Check balance pipe Check SV3B circuit for clogging Check defect in outdoor P C board I F Check capillary of oil separator oil return circuit for clogging Check for leakage of check valve in discharge pipe convergent section P15 01 TS condition P15 VF Gas leakdetection TS1 condition Al
114. normal display is Normal display is restored 3 1 Steps to follow 12 3 REQUIREMENT Do not push the 5 button as it would erase the whole error history of the indoor unit How to read displayed information lt 7 segment display symbols uma o nmn MeO Z6 AD POP Anes Corresponding alphanumerical letters gt 0 12 9 4 5 6 7 8 98 A b C d E FH J L P E Using indoor unit indicators receiving unit light block wireless type To identify the check code check the 7 segment display on the header unit To check for check codes not displayed on the 7 segment display consult the List of Check Codes Indoor Unit in 9 2 Troubleshooting Method Vl Goes off Q Lighting pog Blinking 0 5 seconds Light block Check code Cause of fault Operation Timer Ready e _ Power turned off or error in wiring between receiving and indoor units All lights out Operation Timer Ready Faulty reception Receiving unit Error or poor contact in wiring s E02 Faulty transmission between receiving and indoor pos e E03 Loss of communication Blinking E08 Duplicated indoor unit No address E09 Duplicated master remote controller 10 Indoor unit inter MCU communication error E12 Automatic address starting error E18 Error or poor contact in wiring between indoor units
115. of the door Lx Outdoor unit 4 Refrigerant piping 2 2272 Indoor unit US 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 Refrigerant piping Outdoor unit Indoor unit 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 8 9 ft 2 7m high Range below the density limit of 0 019 Ibs ft 0 3 kg m countermeasures not rneeded N N Range above the density limit of 0 019 Ibs ft 0 3 kg m countermeasures needed Min indoor floor area 22 44 66 Total amount of refrigerant TOSHIBA CARRIER CORPORATION 23 17 TAKANAWA 3 CHOME MINATOKU TOKYO 108 8580 JAPAN Copyright 1999 to 2012 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
116. ontents Push TEST button for 4 seconds or more TEST is displayed at the display part and the mode enters in TEST mode Push ON OFF button Change the mode from COOL to HEAT using MODE button Do not use MODE button for other mode except COOL HEAT modes The temperature cannot be adjusted during test run The error detection is performed as usual After test run push ON OFF button to stop the operation Display on the display part is same to that in Procedure Push TEST button to clear the TEST mode TEST display in the display part disappears and status becomes the normal stop status Note The test run returns to the normal operation after 60 minutes 36 lt In case of wireless remote controller TCB AX21UL gt Procedure Description Turn on power of the air conditioner The operation is not accepted for 5 minutes when power has been turned on at first time after installation and 1 minute when power has been turned on at the next time and after After the specified time has passed perform a test operation Push Start Stop button and change the operation mode to COOL or HEAT with Mode button Then change the fan speed to High using Fan button Test cooling operation Test heating operation Set temperature to 64 F 18 C using Set temperature to 86 F 30 C using Temperature set button Temperature set button A
117. or suction temperature sensor TS1 detects P15 P15 leak detection sustained and repeated high temperatures that 02 TD condition exceed standard value E Outdoor discharge TD2 Outdoor discharge temperature sensor TD2 temperature error detects abnormally high temperature Outdoor discharge Outdoor discharge temperature sensor FS PIE e temperature error detects abnormally high temperature 4 way valve reversing Abnormality in refrigerating cycle is detected P19 Outdoor unit No detected P19 ALT ror during heating operation E Activation of high pressure High pressure Pd sensor detects high pressure hee PAD protection that exceeds standard value 59 MG CTT Magnet contactor Errors detected by IPDU featuring SMMS i standard outdoor unit typical examples Check code Display of receiving unit Outdoor 7 segment display TCC LINK Indicator light block central control Typical fault site Description of error ormainremote n Sub code controller Operation Timer Ready display 01 Compressor 1 Error in temperature Mea es F13 02 Compressor 2 F13 sensor built into indoor IGBT TH 03 Compressor 3 IGBT TH 01 Compressor 1 a H01 02 Compressor 2 H01 e Compressor breakdown Pl 03 Compresso
118. or the air speed that is the high position If the temperature is just on the difference boundary the air speed does not change In TC2 140 F 60 C the air speed increases by 1 step Remarks TC2 Indoor heat exchanger sensor temperature Prevention of cold air discharge In heating operation the higher temperature of TC2 sensor and TCJ sensor is compared with temperature of TC1 sensor and then the lower temperature is used to set the upper limit of the fan tap When B zone has continued for 6 minutes the opera tion shifts to C zone n defrost time the control point is set to 10 8 F 6 C A zone OFF B zone C zone D zone E zone HIGH HH Pp TCJ Temperature of indoor heat exchanger sensor In D and E zones priority is given to remote controller air speed setup In A zone amp is dis played Over 79 F 26 C below 82 F 28 C ULTRA LOW LL Over 82 F 28 C below 86 F 30 C LOW L Over 86 F 30 C below 90 F 32 C MED H Freeze prevention control Low temp release Outline of specifications In all cooling operation the air conditioner operates as de scribed below based upon temp detected by TC1 TC2 and TCJ sensors When J zone is detected for 5 minutes the thermostat is forcedly off In zone the timer count is interrupted and held e When zone is detected the timer is
119. ower cut 0001 Available Option input selection CN80 0002 External emergency input Thermo output selection T10 0000 Thermo ON Input selection T10 0000 Operation input Sensor selection 0000 Available Timer set Wired remote controller 0000 Available Type CODE No 10 Type Model abb name Invalid MMD AP SPH2UL MMD AP H2UL Setup data 0001 0005 Slim Ducted High Static Ducte Indoor unit capacity CODE No 11 Setup data Model Setup data 0001 Invalid 0009 018 type 0001 007 type 0010 021 type 024 type 009 type 027 type 030 type 012 type m 036 type 015 type 048 type Model nitial value EEPROM installed on supplied service P C board 99 12 EXPLODED VIEWS AND PARTS LIST 12 1 Slim Ducted Type MMD AP0074SPH2UL APO094SPH2UL APO124SPH2UL AP0154SPH2UL APO184SPH2UL 202 220 223 224 225 226 229 230 241 242 243 244 245 for RBC AX32 TCB AX32 400 Location NT Model Name _ MMD AP SPH2UL Parts No Description No 0074 0094 0124 0154 0184 4312C055 MOTOR FAN 43146743 MOTOR PMV EFM MD12TF 1 43146713 VALVE PMV 43120227 FAN MULTI BLADE 43170244 HOSE DRAIN 43140478 REFRIGERATION CYCLE ASSY 43122084 CASE FAN LOWER 43122085 CASE FAN UPPER 43140477 REFRIGERATION CYCLE ASSY 43171082
120. pond to a start stop command from a remote controller Could it just be the air conditioner operation under external or remote control 2 Troubleshooting procedure When a fault occurs proceed with troubleshooting in accordance with the procedure shown below NOTE E28 error Investigate check code displayed on interface P C board of header unit Investigate check code displayed on interface board of relevant follower unit Check fault site or faulty part Any other fault Rather than a genuine fault see the List of Check Codes below the problem could have been caused by a microprocessor malfunction attributable to a poor quality of the power source or an external noise Check for possible noise sources and shield the remote controller wiring and signal wires as necessary 54 9 2 Troubleshooting Method The remote controllers main remote controller and central control remote controller and the interface P C board of an outdoor unit are provided with an LCD display remote controller or a 7 segment display outdoor interface P C board to display operational status Using this self diagnosis feature the fault site faulty part may be identified in the event of a fault by following the method described below The list below summarizes check codes detected by various devices Analyze the check code according to where it is displayed and work out the nature of the fault in consultation wit
121. position If the resistance value is low a disaster such as a leak or electric shock is caused at user s Insulator check When the refrigerant gas leaks during work execute ventilation If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the refrigerant and the closed room full with gas is dangerous because Ventilation 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 electric shock may be caused When you access inside of the service panel to repair electric parts wait for about Be attentive to five minutes after turning off the breaker Do not start repairing immediately electric shock Otherwise you may get electric shock by touching terminals of high voltage capacitors Natural discharge of the capacitor takes about five minutes When the refrigerant gas leaks find up the leaked position and repair it surely If the leaked position cannot be found up and the repair work is interrupted pump down and tighten the service valve otherwise the refrigerant gas may leak into the room The poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous When installing equipment which includes a large amount of cha
122. r 3 4 01 Compressor 1 H02 02 Compressor 2 H02 e Compressor error lockup Compressor lockup is detected 03 Compressor 3 01 Compressor 1 ae H03 02 Compressor 2 e e EU detection circuit uuo ug while inverter 03 Compressor 3 t compressor Activation of high pressure P04 02 Compressor 2 P04 ALT SW gmp High pressure SW is activated 03 Compressor 3 01 Compressor 1 02 Compressor 2 P07 e ALT a sink overheating sensor built into IGBT TH detects 03 Compressor 3 9 0 IGBT circuit 1 Position detection circuit error 3 Motor lockup error 4 Motor current detection C TH sensor error P22 D TH sensor error P22 ALT Outdoor fan IPDU error Outdoor fan IPDU detects error E Inverter DC voltage error outdoor fan Note Although letters 0 to F appear at locations indicated by please ignore them 01 Compressor 1 Short circuit protection for compressor motor P26 02 Compressor 2 P26 e ALT G Te SET driver circuit components is activated momentary 03 Compressor 3 p overcurrent 01 Compressor 1 0 p29 02 Compressor 2 P29 e ALT ee motor position detection error is 03 Compressor 3 Note The above check codes are examples only and different check codes may be displayed depending the outdoor unit configuration e g a Super heat recovery multi system For details see the service manual for the outdoor u
123. r address Duplicated indoor address Indoor unit detects address identical to its own E10 E e e Indoor inter MCU communication communication between main controller and 9 error motor microcontroller is faulty Error in periodic communication N Periodic communication between indoor header 18 between indoor header and and follower units cannot be maintained follower unit _ _ Indoor heat exchanger Heat exchanger temperature sensor TCJ has F01 e Ar temperature sensor TCJ error been open short circuited E Indoor heat exchanger Heat exchanger temperature sensor TC2 has ne e T temperature sensor TC2 error been open short circuited _ _ Indoor heat exchanger Heat exchanger temperature sensor TC1 has F03 e Ar temperature sensor TC1 error been open short circuited E _ Ambient temperature sensor TA Ambient temperature sensor TA has been open ai e T error short circuited A 2 Discharge temperature sensor Discharge temperature sensor TF has been open Ft 9 9 e Ar TF error Short circuited Indoor EEPROM is abnormal some other error may F29 SIM P C board or other indoor error detected L03 SIM oo indoor group header There is more than one header unit in group m Connection of group control cable There is at least one stand alone indoor unit to L07 e SM to stand alone indoor unit which group control cable is connected
124. ral C05 transmission control communication error line Check termination resistance setting TCC LINK Continued Central control device is Check for defect in central central control operation unable to receive signal control device device reception Check for defect in central error control communication line Check termination resistance setting C06 _ Check power supply for devices at other end of central control communication line Check defect in P C boards of devices at other end of central control communication line General Blanket alarm Continued Error signal is input to control Check error input C12 _ purpose for general operation interface for general purpose device purpose device devices VF control interface TCC LINK Group control Continued Error occurs in follower unit Check check code of unit Differs according to nature of follower unit operation under group control that has generated alarm alarm causing error error P30 is displayed on central P30 control remote controller Duplicated Continued There is duplication in central Check address settings L20 displayed central control operation control addresses address a 9 5 Sensor Characteristics Indoor Unit B Temperature sensor characteristics Temperature Resistance ko 33 9 26 1 20 3 15 9 12 6 10 0 8 0 6 4 52 4 2 3 5 2 8 2 4 Temperature Resistance Indoor TC1 sensor
125. rate upper limit Air flow rate lower limit Air flow rate upper limit x l r l 1 850 900 950 1000 1050 1100 150 900 950 1000 1050 1100 1150 Air flow rate cfm Air flow rate cfm Power source 208V 60Hz Power source 230V 60Hz External static pressure Standard air flow rate in WG i Air flow rate upper limit Middle tap ate lower limit Fan motor current Fan motor current A Air flow rate lower limit Air flow Air flow rate upper limit 1 00 1 00 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 Air flow rate cfm Air flow rate cfm 208V 60Hz Low tap Since external static pressur is o wo Eo zi m o o o o low ri Air flow rate lower limit Air flow rate upper limit Air flow rate upper limit Ai External static pressure in WG External static pressure Lowtap I 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 Air flow cfm Air flow rate cfm 18 6 REFRIGERAT
126. rating Indoor Indoor inter Stop of Communication cannot be Check for defect in indoor E10 _ 2 unit MCU corresponding established maintained upon board communication unit turning on of power or during error communication 01 VF Automatic All stop Indoor automatic address Perform automatic address Indoor outdoor address starting setting is started while Setting again after communication error automatic address setting disconnecting 02 for equipment in other communication cable to Outdoor refrigerant line is in that refrigerant line E12 E12 outdoor progress communication Outdoor automatic address setting is started while automatic address setting for indoor units is in progress VF Indoor unit not All stop Indoor unit cannot be Check connection of found during detected after indoor indoor outdoor automatic automatic address setting is communication line address setting started Check for error in indoor power supply system Et EIS Check for noise from other devices Check for power failure Check for defect in indoor P C board 00 VF Too many All stop Combined capacity of Check capacities of indoor Overloading indoor units indoor units exceeds 120 units connected 01 connected of combined capacity of Check combined HP No of units outdoor units capacities of indoor units connected Note Check HP capacity If this code comes up settings of outdoor units after backup setting for Check No of indoor units outdoor
127. ration mode differs according to the indoor unit status in that time Normal time Both float SW and fan motor are normal Abnormal time Either one of float SW or fan motor is abnormal Restricted to the normal time if short circuiting DISP pin CN72 on the indoor P C board in addition to short circuit of CHK pin CN71 on the indoor P C board the minimum opening degree 30pls can be set to the indoor PMV only When open DISP pin the maximum opening degree 1500pls can be obtained again How to clear Open CHK pin While the system is operating it stops once but automatically returns to operation after several minutes Short circuit of CHK pin CN71 Normal time Abnormal time DISP pin open CN71 DISP pin short circuit CN71 Fan motor H H Stop Indoor PMV Max opening degree 1500pls Min opening degree 30 5 Min opening degree 30pls Drain pump ON ON ON Communication All ignored All ignored All ignored P C board LED Lights Lights Flashes 38 8 3 Method to Set Indoor Unit Function DN Code When performing this task be sure to use a wired remote control ler lt Procedure gt To be performed only when system at rest 1 Push the O buttons simultaneously and hold for at least 4 seconds The unit No displayed first is the address of the header indoor unit in group control Then the fan and louver of the selected indoor unit move 2 Each
128. re equal to or greater than 522psi 3 6MPa Check for defect in Pd pressure sensor Check service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 4 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for defect in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging Ff Check code Location Main Outdoor 7 segment display of Description System status Error detection Check items locations remote detection condition s Check remote controller Code Sub code controller 0 IGBT circuit IPDU Outdoor fan All stop Sub code 0 Check fan motor 1 Position IPDU error Fan IPDU over current Check for defect in fan detection circuit protection circuit IPDU P C board error Flow of current equal to or 3 Motor lockup greater
129. remote controller Reading EEPROM data Procedure 1 U Replacing P C board and turning on power Procedure 2 1 Writing EEPROM data in new EEPROM Procedure 3 1 Resetting power supply applicable to all indoor units connected to remote controller in case of group operation Method 2 If it is not possible to read the setting data due to the failure of the EEPROM itself Replacing P C board and turning on power Procedure 2 Uu Writing EEPROM data on basis of information supplied by customer e g high ceiling adjustment setting and optional connection setting Procedure 3 1 Resetting power supply applicable to all indoor units connected to remote controller in case of group operation 95 Procedure 1 reading setting data from EEPROM Read the setting data from EEPROM including both the factory settings and any modifications made to them on site 1 AQ Push the e buttons simultaneously and hold for at least 4 seconds This number corre sponds to the same number shown on the Remote Controller Operation Diagram n the case of group control the unit No displayed first is the indoor unit No of the header unit At the same time the CODE No DN code 0 is displayed and the fan of the selected indoor unit comes on with the louver swinging depending on the model UNIT LOUVER Each time the _ 9 button is pushed one of the indoor unit No under group control is displayed
130. rformed 0000 Available wired remote controller 0001 Unavailable cannot be performed Outside interlock 0000 Operation stop 0000 Operation stop release condition 0001 Release communication signal receive Type DN code 10 Value Type Model 0005 Slim Ducted MMD AP SPH2UL 0006 High static Ducted MMD AP H2UL EN Default value stored in EEPROM mounted on service P C board Indoor Unit Capacity DN code 11 Value Capacity 1 Default value stored in EEPROM 0000 Invalid mounted on service P C board 0001 007 type 0003 009 type 0005 012 type 0007 015 type 0009 018 type 0010 021 type 0011 024 type 0012 027 type 0013 030 type 0015 036 type 0016 042 type 0017 048 type 0018 056 type 0021 072 type 0023 096 type 41 8 4 Applied Control in Indoor Unit B Remote location ON OFF control box TCB IFCB 4UL Wiring and setup Use the exclusive connector for connection with the indoor control P C board In a group control the system can operate when connecting with any indoor unit Control 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 op
131. rged refrigerant o 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 Compulsion 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 If check is not executed a fire electric shock or injury may be caused o After repair work has finished check there is no trouble For a check turn off the power breaker Check after repair 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 Check 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 installation is stable Be sure to put the gloves and a long sleeved shirt otherwise an injury may be caused with the parts etc Heavy gloves such as work gloves Put on gloves When the power was turned on start to work after the equipment has been sufficiently cooled
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133. t Check SV4 circuit wiring or installation error in SV41 SV42 or SV43 74 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations P04 P04 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side IPDU Activation of high pressure SW All stop High pressure SW is activated Check connection of high pressure SW connector Check for defect in Pd pressure sensor Check outdoor service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for error in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging P05 POS 00 01 Compressor 1 side 02 Compressor 2 si
134. tS RESET TEST SET CL SWING FIX UNIT LOUVER e O e Operation procedure 1 gt 2 3 4 5 6 END 47 B How to change an indoor unit address by using a wired remote control Use this method to change the address of indoor units one to one or group control that have had the original address set automatically This procedure must be done while the units are not operating TEST 1 Simultaneously push and hold the SET 5 CL and TEST buttons for more than 4 seconds If there are 2 or more units in a group the first UNIT No indicated is the header unit 2 Push the left end of the UNIT LOUVER 1 2 button repeatedly to select an indoor unit address to change If 2 or more units are controlled in a group the fan and louvers of the selected unit will be energized 3 Push the TEMP buttons repeatedly to select J for CODE No 4 Push the TIME buttons repeatedly to change the value indicated in the SET DATA sec tion D Push the SET button to save address 5 6 Push left and of the UNIT LOUVER 42 button repeatedly to select another indoor unit addresses to change Repeat steps 4 through 6 to continue changing indoor unit address and make each of them unique 7 Push the left end of the UNIT LOUVER 2 7 button to review confirm the revised ad dresses 8 If the addresses have be
135. troller Operation Timer Ready Flash display V A3 IPDU Fan A3 IPDU Fan 1 2 3 IPDU 0 oj O There are insufficient number of IPDUs P C L29 o4 00101 0 o L29 SIM Error in number of IPDUs has boards in inverter box 05 Jojo o 06 O orjo o o o 07 Circle 08 Faulty IPDU 09 O Indoor unit has been shut down for external error L30 Detected indoor unit No L30 SIM du error Input input in one refrigerant line detected by indoor unit _ Outdoor discharge TD1 Outdoor discharge temperature sensor TD1 has Fus Fas e e temperature error detected abnormally high temperature 00 Open phase detected Open phase power failure Open phase is detected when power is turned on 5 01 Compressor 1 5 ALT nverter DC voltage Vdc Inverter DC voltage is too high overvoltage or too 02 Compressor 2 error low undervoltage 03 Compressor 3 MG CTT error 01 Compressor 1 P07 02 Compressor 2 P07 e ALT ba sink overheating Polis cad sensor built into IGBT TH detects 03 Compressor 3 overgang Indoor unit has been shutdown in one refrigerant P10 Indoor unit No detected P10 Indoor unit overflow line due to detection of overflow detected by indoor unit _ Outdoor liquid backflow State of refrigerant cycle circuit indicates liquid lis Fs e 9 ALT detection error backflow operation 01 TS condition Outdo
136. tton button at left side to change to item to be monitored The sensor temperature of indoor unit or outdoor unit in its refrigerant line and the operating status are monitored 4 Push A button to return the status to the normal display UNIT LOUVER TIMER SET FAN MODE TIME SAVE VENT CH SET CL SWING FIX UNIT LOUVER FILTER RESET TEST 9 1 d Returns to normal display Operation procedure 1 2 3 4 CODE No Data name Display format Unit Remote controller display example 00 Room temperature During control x1 0081 71 F 27 C T 01 Room temperature Remote controller x1 s 02 Indoor suction temperature TA x1 s 03 Indoor coil temperature TCJ x1 F c 04 Indoor coil temperature TC2 1 0075 75 F 24 C o 8 05 Indoor coil temperature TC1 x1 F T 06 Indoor discharge temperature TF 1 F 08 Indoor PMV opening x1 10 pls 0150 1500 0 No of connected indoor units x1 unit 0024 24 units 5 E 0B Total capacity of connected indoor units x10 ton 0215 21 5ton 2 0C No of connected outdoor units x1 unit 0002 2 units gt oD Total capacity of outdoor units x1
137. ure setup C45 buttons set 2 to the CODE No SET CL TEST i i Line address 1 Using timer time buttons address Ci d 2 set the line address Group address 1 2 2 2 2 Foll 4 Push button OK when display goes on Lu 5 indoor unit address ere Using the temperature setup For the above example perform setting by connecting singly the buttons set 4 to the CODE No wired remote controller without remote controller inter unit cable Group address 6 Using timer time buttons Sacer unt In case of group control set 1 to the line address Follower unit 0002 SET Push button OK when display goes on Group address Using the temperature setup C45 buttons set 4 to the CODE No 9 Using timer time v buttons set 2000 to Individual 200 to Header unit and 2002 to follower unit 10 Push amp button OK when display goes on END 71 DON OFF 2 5 8 TIME SAVE VENT FAN MODE 3 6 9 11 Push e button ee 4 dd Setup completes 1 The status returns to the usual stop status Operation procedure 7 gt 8 9 10 11 END Note 1 When setting the line address from the remote controller do not use Address 29 and 30 As they are addresses which cannot be set to the outdoor unit if they are set the ch
138. w pressure sensor Ps error Outdoor unit pressure sensor F24 High pressure sensor Pd error errors Operation Timer Ready A L poa o F29 Fault in indoor EEPROM L I Synchronized blinking Operation Timer Ready H01 Compressor breakdown e CY e H02 Compressor lockup Pe n TS H03 Current detection circuit error Blinking H05 Wiring installation error or detachment of outdoor discharge temperature sensor TD1 H06 Abnormal drop in low pressure sensor Ps reading Protective shutdown of outdoor H07 Abnormal drop in oil level unit H08 Error in temperature sensor for oil level detection circuit TK1 TK2 TK3 TK4 or TK5 H15 Wiring installation error or detachment of outdoor discharge temperature sensor TD2 H16 Oil level detection circuit error Error in outdoor unit TK1 TK2 TK3 TK4 or TK5 circuit H25 Wiring installation error or detachment of outdoor discharge temperature sensor 03 Duplicated indoor group header unit Operation Timer Ready x V L05 Duplicated priority indoor unit as displayed on priority indoor unit ES Xo LO6 Duplicated priority indoor unit as displayed on indoor unit other than priority indoor unit L 107 Connection of group control cable to stand alone indoor unit Synchronized blinking L08 Indoor group address not set L09 Indoor capacity not set 04 Duplicated outdoor refrigerant line address Operation Timer Ready Vly Vly L10 Outdoor capacity not set pos O a L17 Outdoor model incompatibility
139. wer unit 70 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations H07 H07 VF Low oil level protection All stop Operating compressor detects continuous state of low oil level for about 2 hours lt All outdoor units in corresponding line to be checked gt Check balance pipe service valve to confirm full opening Check connection and installation of TK1 TK2 TK4 and TK5 sensors Check resistance characteristics of TK1 TK2 TK3 TK4 and TK5 Sensors Check for gas or oil leak in same line Check for refrigerant entrapment inside compressor casing Check SV3A SV3B SV3C SV3D SV3E and SV3F valves for defect Check oil return circuit of oil separator for clogging Check oil equalizing circuit for clogging H08 H08 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error 05 TK5 sensor error VF Error in temperature sensor for oil level detection All stop Sensor resistance is infinity or zero open short circuit Check connection of TK1 sensor connector Check resistance characteristics of TK1 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check
140. when power is turned on for the first time after installation Indoor Indoor capacity Stop of Capacity setting has not been Set indoor capacity DN 09 _ unit not set corresponding performed for indoor unit 11 unit VF Outdoor All stop Jumper wire provided on P C Check model setting of P C L10 L10 capacity not set board for servicing I F P C board for servicing outdoor board has not been removed I F P C board as required for given model Duplicated All stop There is duplication in central Check central control Indoor central control control address setting addresses L20 _ _ unit address Check network adaptor P C board VF Too many All stop There are more than four Check No of outdoor units outdoor units outdoor units connected Only up to 4 connected units per system allowed L28 L28 Check communication lines between outdoor units Check for defect in outdoor P C board I F 73 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations 129 129 A3 IPDU Fan OD O JO Symbol signifies site of PDU error VF Error in No of IPDUs All stop
141. xternal static pressure 1 Fan unit Factory setting 208 230V 0 641 0 814 0 296 0 519 208V High tap Mid tap Low tap 3 1 075 0 641 0 287 0 606 0 296 Non 230V High tap Mid tap Low tap 3 1 175 0 814 0 506 0 801 0 519 0 114 Air flow limit Lower limit 755 2 988 2 Upper limit 1132 8 1447 1 Air filter Gas side Field supply 5 8 Connecting pipe Liquid side 3 8 Drain port Nominal dia VP25 Polyvinyl chloride tube External Dia 1 1 4 Internal Dia 1 Sound pressure level 2 Note 1 Non attached filter 208V High Mid Low 49 5 45 41 47 44 230V High Mid Low 51 47 43 49 46 43 2 The actual values in an external opeating environment are generally higher than the indicated values due to the contribution from ambient noise 3 The tap is set by wire connection change of fan motor 2 1 2 CONSTRUCTION VIEWS EXTERNAL VIEWS Slim Ducted Type MMD AP0074SPH2UL MMD APO094SPH2UL MMD AP0124SPH2UL 15 8 400 or less Indoor unit
142. y of Description System status Condition a Check items locations remote detection controller Check code Sub code Indoor Duplicated Stop of There is more than one Check indoor addresses unit indoor header corresponding header unit in group Check for any change L03 _ unit unit made to remote controller connection group individual since indoor address setting VF Duplicated All stop There is duplication in line Check line addresses 104 L04 outdoor line address setting for outdoor address units belonging to different refrigerant piping systems VF Duplicated All stop More than one indoor unit Check display on priority priority indoor has been set up as priority indoor unit 105 _ unit as indoor unit displayed on priority indoor unit No of priority VF Duplicated All stop More than one indoor unit Check displays on priority indoor units priority indoor have been set up as priority indoor unit and outdoor unit as indoor unit unit 06 06 displayed on indoor unit other than priority indoor unit Indoor Connection of Stop of There is at least one stand Check indoor addresses unit group control corresponding alone indoor unit to which L07 cable to stand unit group control cable is alone indoor connected unit Indoor Indoor group Stop of Address setting has not been Check indoor addresses unit addresses not corresponding performed for indoor units Note set unit This code is displayed Bee pus

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