Toshiba MMU-AP0072WH Service Manual Download Page 2

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CONTENTS

Original Instruction............................................................................ 3

Warning Indications on the Air Conditioner Unit ............................ 5

1. PRECAUTIONS FOR SAFETY .................................................... 6

2. SPECIFICATIONS ...................................................................... 14

3. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ........................ 19

4. WIRING DIAGRAM .................................................................... 24

5. PART RATING ............................................................................ 25

6. REFRIGERATING CYCLE DIAGRAM ....................................... 26

7. CONTROL OUTLINE ................................................................. 27

8. CONFIGURATION OF CONTROL CIRCUIT.............................. 36

9. APPLIED CONTROL ................................................................. 44

10. TROUBLESHOOTING ............................................................... 57

11. INSTALLATION MANUAL.......................................................... 86

12. P.C. BOARD EXCHANGE PROCEDURES .............................. 120

13. DETACHMENTS ...................................................................... 125

14. EXPLODED VIEWS AND PARTS LIST.................................... 139

Summary of Contents for MMU-AP0072WH

Page 1: ...H MMU AP0152WH TR MMU AP0182WH MMU AP0182WH TR MMU AP0242WH MMU AP0242WH TR MMU AP0272WH MMU AP0272WH TR MMU AP0302WH MMU AP0302WH TR MMU AP0362WH MMU AP0362WH TR MMU AP0482WH MMU AP0482WH TR MMU AP0562WH MMU AP0562WH TR This Service Manual describes contents of the 2 Way Air Discharge Cassette indoor unit For the outdoor unit refer to the Manual with FILE No A10 005 A05 004 1 PRINTED IN JAPAN Sep...

Page 2: ... 3 CONSTRUCTION VIEWS EXTERNAL VIEWS 19 4 WIRING DIAGRAM 24 5 PART RATING 25 6 REFRIGERATING CYCLE DIAGRAM 26 7 CONTROL OUTLINE 27 8 CONFIGURATION OF CONTROL CIRCUIT 36 9 APPLIED CONTROL 44 10 TROUBLESHOOTING 57 11 INSTALLATION MANUAL 86 12 P C BOARD EXCHANGE PROCEDURES 120 13 DETACHMENTS 125 14 EXPLODED VIEWS AND PARTS LIST 139 ...

Page 3: ...s been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matt...

Page 4: ...ems thoroughly in the following contents Indications Illustrated marks and keep them Explanation of indications Indication DANGER WARNING CAUTION Explanation 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 serio...

Page 5: ...fins of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst CAUTION Do not climb onto the fan guard Doing so may result in injury Description WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit ...

Page 6: ...d service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work When working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work When working at heights put ...

Page 7: ...itors Natural discharge of the capacitor takes about five minutes Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake Before operating the air conditioner after having completed the work check that the electrical parts box cover of th...

Page 8: ...frigerant will be mixed in the refrigerating cycle Failure to purge the air completely may cause the air conditioner to malfunction 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 amoun...

Page 9: ... the compressor and etc and moreover if there is leak of refrigerant at connecting section of pipes the air is sucked and causes further abnormal high pressure resulted in burst or injury Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric sho...

Page 10: ...he circuit breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the air conditioner when you implement the measures Accumulation of highly concentrated refrigerant may cause an oxygen def...

Page 11: ... TR MMU AP0152WH TR MMU AP0182WH TR MMU AP0242WH TR MMU AP0272WH TR MMU AP0302WH TR MMU AP0362WH TR MMU AP0482WH TR MMU AP0562WH TR Commercial name Super Modular Multi System Air Conditioner Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Complies with the provisions of the following harmonized standard EN 378 2 2008 A1...

Page 12: ...others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging comp...

Page 13: ... which serve also for R22 are necessary as the general tools 1 Vacuum pump Use vacuum pump by attaching vacuum pump adapter 2 Torque wrench 8 Spanner or Monkey wrench 3 Pipe cutter 9 Hole core drill 4 Reamer 10 Hexagon wrench Opposite side 4mm 5 Pipe bender 11 Tape measure 6 Level vial 12 Metal saw 7 Screwdriver Also prepare the following equipments for other installation method and run check 1 Cl...

Page 14: ...ontroller Kit MMU AP0072WH MMU AP0092WH 2 2 2 8 2 5 3 2 1 phase 50 Hz 230 V 220 V 240 V 1 phase 60 Hz 220 V Separate power supply for indoor units is required 0 23 0 23 0 23 0 23 0 029 0 029 0 029 0 029 0 35 0 35 0 35 0 35 Heat insulating material attached Zinc hot dipping steel plate 295 295 815 815 570 570 19 19 Finned tube Non flammable insulation Turbo fan 558 498 450 558 498 450 20 20 Standar...

Page 15: ...283UW E RBC AX23UW W E 1 Cooling heating capacity is based on single connection operation with standard piping length under Japanese Industrial Standard B 8615 Condition 1 2 Remote controller and ceiling panel are sold separately Model name Cooling capacity 1 kW Heating capacity 1 kW Electrical Power supply Running current A Power consumption kW charastaristics Starting current A Appearance Height...

Page 16: ...r dimension mm Total weight kg Remote controller wiring Crossover wiring Up to 1000 m Up to 2000 m Auxiliary fresh air flange Option parts Filter chamber Super long life filter Wireless remote controller Kit MMU AP0182WH MMU AP0242WH 5 6 7 1 6 3 8 0 1 phase 50 Hz 230 V 220 V 240 V 1 phase 60 Hz 220 V Separate power supply for indoor units is required 0 32 0 32 0 39 0 39 0 044 0 044 0 054 0 054 0 4...

Page 17: ...TCB LF803UW E RBC AX23UW W E 1 Cooling heating capacity is based on single connection operation with standard piping length under Japanese Industrial Standard B 8615 Condition 1 2 Remote controller and ceiling panel are sold separately Model name Cooling capacity 1 kW Heating capacity 1 kW Electrical Power supply Running current A Power consumption kW charastaristics Starting current A Appearance ...

Page 18: ...F151US E TCB FC1403UW E TCB LF1403UW E RBC AX23UW W E Model name Cooling capacity 1 kW Heating capacity 1 kW Electrical Power supply Running current A Power consumption kW charastaristics Starting current A Appearance Height mm Outer dimension Width mm Depth mm Total weight kg Heat exchanger Soundproof Heat insulating material Fan Fan unit Standard air flow M L m h Motor W Air filter Controller 2 ...

Page 19: ...emote controller Kit MMU AP0072WH TR MMU AP0092WH TR 2 2 2 8 2 5 3 2 1 phase 50 Hz 230 V 220 V 240 V 1 phase 60 Hz 220 V Separate power supply for indoor units is required 0 23 0 23 0 029 0 029 0 35 0 35 Heat insulating material attached Zinc hot dipping steel plate 295 295 815 815 570 570 19 19 Finned tube Non flammable insulation Turbo fan 558 498 450 558 498 450 20 20 Standard filter Long life ...

Page 20: ...emote controller Kit MMU AP0122WH TR MMU AP0152WH TR 3 6 4 5 4 0 5 0 1 phase 50 Hz 230 V 220 V 240 V 1 phase 60 Hz 220 V Separate power supply for indoor units is required 0 23 0 24 0 029 0 030 0 35 0 36 Heat insulating material attached Zinc hot dipping steel plate 295 295 815 815 570 570 19 19 Finned tube Non flammable insulation Turbo fan 558 498 450 600 534 450 20 20 Standard filter Long life ...

Page 21: ... controller Kit MMU AP0182WH TR MMU AP0242WH TR 5 6 7 1 6 3 8 0 1 phase 50 Hz 230 V 220 V 240 V 1 phase 60 Hz 220 V Separate power supply for indoor units is required 0 32 0 39 0 044 0 054 0 48 0 59 Heat insulating material attached Zinc hot dipping steel plate 345 345 1180 1180 570 570 26 26 Finned tube Non flammable insulation Centrifugal fan 900 750 618 1050 840 738 30 40 Standard filter Long l...

Page 22: ...controller Kit MMU AP0272WH TR MMU AP0302WH TR 8 0 9 0 9 0 10 0 1 phase 50 Hz 230 V 220 V 240 V 1 phase 60 Hz 220 V Separate power supply for indoor units is required 0 39 0 46 0 054 0 064 0 59 0 69 Heat insulating material attached Zinc hot dipping steel plate 345 345 1180 1180 570 570 26 26 Finned tube Non flammable insulation Centrifugal fan 1050 840 738 1260 900 780 40 50 Standard filter Long ...

Page 23: ...P0562WH TR 11 2 14 0 16 0 12 5 16 0 18 0 1 phase 50 Hz 230 V 220 V 240 V 1 phase 60 Hz 220 V Separate power supply for indoor units is required 0 48 0 57 0 75 0 073 0 088 0 117 0 72 0 86 1 13 Heat insulating material attached Zinc hot dipping steel plate 345 345 345 1600 1600 1600 570 570 570 36 36 36 Finned tube Non flammable insulation Centrifugal fan 1740 1434 1182 1800 1482 1230 2040 1578 1320...

Page 24: ...sh air flange for Ø150 Ø 1 6 2 Ø 1 6 2 Connecting port for refrigerant pipes Gas side Ø9 5 Drain up rise up size Under surface of ceiling Electric parts box Standard panel mass Standard panel material Outer coating color of standard panel 10 kg Center panel Iron Coating Inner frame Aluminum Coating Outer frame Adjust cover Resin PS Moon white Munsell symbol 2 5G Y9 0 0 5 Obstruct Space required fo...

Page 25: ... for Ø150 Knockout square hole for auxiliary fresh air flange for Ø150 Ø 1 6 2 Ø 1 6 2 Connecting port for refrigerant pipes Gas side Ø12 7 Drain up rise up size Under surface of ceiling Electric parts box Standard panel mass Standard panel material Outer coating color of standard panel 10 kg Center panel Iron Coating Inner frame Aluminum Coating Outer frame Adjust cover Resin PS Moon white Munsel...

Page 26: ... Connecting port for drain pipes Be sure to connect the attached flexible hose Draw in port for wiring Connecting port for refrigerant pipes Gas side Ø12 7 120 Ø 1 6 2 Ø 1 6 2 Ø 1 6 2 255 335 110 480 480 105 Knockout Hanging bolt M10 or W3 8 procured locally Under surface of ceiling Ceiling panel Sold separately 1180 Unit outer size 105 Knockout square hole for auxiliary fresh air flange for Ø150 ...

Page 27: ...port for drain pipes Be sure to connect the attached flexible hose Draw in port for wiring Connecting port for refrigerant pipes Gas side Ø15 9 120 Ø 1 6 2 Ø 1 6 2 Ø 1 6 2 255 335 110 480 480 105 Knockout Hanging bolt M10 or W3 8 procured locally Under surface of ceiling Ceiling panel Sold separately 1180 Unit outer size 105 Knockout square hole for auxiliary fresh air flange for Ø150 Knockout squ...

Page 28: ...ide Ø15 9 151 255 345 226 5 20 120 Ø 1 6 2 Ø 1 6 2 480 320 125 400 275 105 105 480 Knockout Hanging bolt M10 or W3 8 procured locally Under surface of ceiling Ceiling panel Sold separately 1600 Unit outer size Knockout square hole for auxiliary fresh air flange for Ø150 Knockout square hole for auxiliary fresh air flange for Ø150 105 105 178 Ø 1 6 2 Knockout square hole to intake outdoor air For Ø...

Page 29: ...2 PMV L RY302 303 TA TB1 2 TC1 TC2 TCJ Parts name Connector Drain pump Motor Fuse Fan Motor Float Switch Louver Motor Pulse Motor Valve Relay Reactor Indoor temp sensor Terminal Block Temp sensor RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK CN81 BLK CN104 YEL CN102 RED CN101 BLK CN100 BRW N50 WHI TCJ TC2 TC1 FLEX TA DC20V DC16V DC12V DC7V Control P C board for Indoor unit CN73 RED CN80 GRN CN61...

Page 30: ...Fan motor Drain pump motor Float switc TA sensor TC1 sensor TC2 sensor TCJ sensor Pulse motor PMV MMU AP0362WH AP0482WH AP0562WH SWF 280 120 2R ADP 1409 FS 0218 103 Lead wire length 268 mm Ø4 size lead wire length 1200 mm vinyl tube Blue Ø6 size lead wire length 1200 mm vinyl tube Black Ø6 size lead wire length 1200 mm vinyl tube Red EMD MD12TF 3 EFM 60YGTF 1 5 1 2 Indoor Unit Other Parts No 1 2 P...

Page 31: ... outline Connector CN082 6P Blue 1 Controls super heat in cooling operation 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation 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...

Page 32: ... FAN COOL DRY HEAT AUTO SHRM only Control outline Air conditioner stops Fan operation Cooling operation Dry operation Heating operation Ta and Ts automatically select COOL HEAT operation mode for operation The operation is performed as shown in the following figure according to Ta value at the first time only In the range of Ts 1 Ta Ts 1 Cooling thermo OFF Fan Setup air volume operation continues ...

Page 33: ...ied out as shown below When 1 5 exceeds against Tsh 10 minutes and after thermo OFF heating operation Thermo OFF exchanges to cooling operation Description in the parentheses shows an example of cooling ON OFF When 1 5 lowers against Tsc 10 minutes and after thermo OFF cooling operation Thermo OFF exchanges to heating operation 2 For the automatic capacity control after judgment of cooling heating...

Page 34: ...e HEAT Value in the parentheses indicates one when thermostat of the remote controller works Value without parentheses indicates one when thermo stat of the body works 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 for the air speed that is the high position I...

Page 35: ...e In defrost time the control point is set to 6 C TCJ Temperature of indoor heat exchanger sensor In D and E zones priority is given to remote control ler air speed setup In A zone is displayed 7 Prevention of cold air discharge E B A A zone OFF B zone Over 26 C below 28 C ULTRA LOW LL C zone Over 28 C below 30 C LOW L D zone Over 30 C below 32 C MED H E zone HIGH HH D C 32 30 28 26 20 16 C CODE N...

Page 36: ...ted for 45 minutes the thermostat is forcedly off In N zone the timer count is interrupted and held When shifting to M zone again the timer count restarts and continues If L zone is detected the timer is cleared and the operation returns to normal operation Reset conditions 1 TC1 12 C and TC2 12 C and TCJ 12 C 2 20 minutes passed after stop P1 Q1 C a K J I P2 Q2 C L N M value When the power supply...

Page 37: ...rain 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 1 When the unit stopped from HEAT operation the indoor fan operates with L for approx 30 seconds 1 ON OFF operation is available by input of HA signal from the r...

Page 38: ...f AI NET central control Operation possible Operation impossible In case of TCC LINK central control Operation possible Operation impossible Remarks READY display No display for wireless type remote controller HEAT READY display In case of wired remote controller type Central control display Goes on in the central control mode Display flashes when an item of the operation prohibited was changed on...

Page 39: ...leaning is performed the louver is automatically set to horizontal discharge position The louver which air direction is individually set or the locked louver closes fully when the unit stops and the louver is automatically set to horizontal discharge position when PRE HEAT Heating ready is displayed heating thermo is off Remarks The swinging louver moves usually up to the ceiling side from the lou...

Page 40: ...troller Note If the 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 1 The function Save operation is not provided to the Super Modular Multi series models Remarks Check code P12 If pushing SAVE button on the remote controll...

Page 41: ...communication Network adaptor Option Indoor unit 1 Header unit Network adaptor P C board MCC 1401 DC5V PMV Louver motor Indoor fan motor CPU DC5V DC5V 3 CN2 CN1 Wired remote controller Up to 2 units Schedule timer in weekly timer mode Weekly timer Function setup LCD driver CPU Power circuit Power circuit Power circuit Transformer Switch setup EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor Float...

Page 42: ...it Outside output Fan motor control circuit Start Alarm Ready Thermostat ON COOL HEAT FAN Emergent operation SW Function setup SW Display LED MCU AC synchronous signal input circuit BUS communication circuit MCU EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor Float input HA Driver Buzzer Remote controller communication circuit Remote controller communication circuit CPU DC 280V Network adaptor O...

Page 43: ...OOL HEAT FAN Emergent operation SW Function setup SW Display LED MCU AC synchronous signal input circuit BUS communication circuit MCU EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor Float input HA Driver Buzzer Remote controller communication circuit Remote controller communication circuit Remote controller communication circuit CPU DC 280V Network adaptor Option Network adaptor P C board MCC 1...

Page 44: ...ng TC2 sensor TC1 sensor TCJ sensor Remote controller inter unit cable Indoor Outdoor communication Also used for communication of the central control system Indoor Outdoor communication Spare Drain pump output Remote controller power supply LED Optional power supply Power supply Filter Option error input Input of high ceiling exchange EEPROM Microcomputer operation LED ...

Page 45: ...HA ON OFF input J01 YES NO Pulse At shipment Static input select Operation stop of main remote controller is permitted prohibited by input ON during operation Answerback of HA ON during alarm output ON when outdoor unit is defrosted ON during Real thermostat ON Compressor ON ON when operation mode is cooling system COOL DRY Cool Heat Auto cooling ON when operation mode is heating system HEAT Cool ...

Page 46: ...tatus 8 3 Functions at test run n 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 ...

Page 47: ...Test run for heating operation Set 18 C using Temperature set button Set 30 C using Temperature set button Set 19 C using Temperature set button immediately Set 29 C using Temperature set button immediately after confirmation of the receiving sound Pi after confirmation of the receiving sound Pi Set 18 C using Temperature set button immediately Set 30 C using Temperature set button immediately aft...

Page 48: ...g 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 To exchange the i...

Page 49: ...e group control are successively displayed In this time the fan of the selected indoor unit only is turned on 3 Specify the CODE No DN using the setup temperature and buttons 4 Select the setup data using the timer time and buttons When selecting the CODE No DN to 33 change the temperature indication of the unit from C to F on the remote controller 5 Push SET button OK if display goes on To change...

Page 50: ...1 Not provided Automatic selection from connected outdoor unit 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 0002 2 way Air Discharge Cassette 0000 Unfixed 0001 to 0034 0001 No 1 unit to 0030 No 30 unit 0001 No 1 unit to 0064 No 64 unit 0000 Individual 0001 Header unit of group 0002 Follower unit of group 0000 No louver 0001 Swing only 0002 1 way Air Discharge Cassette type Under Ceilin...

Page 51: ...viated Model name MMU AP XXX WH Setup data 0001 0003 0005 0007 0009 0011 Model 007 009 012 015 018 024 Setup data 0012 0013 0015 0017 0018 Model 027 030 036 048 056 CODE No DN 5d 60 Description Type AP007 to AP030 AP036 to AP056 0000 Standard 2 7 m 2 7 m At shipment 0001 High ceiling 3 2 m 3 0 m 0003 High ceiling 3 8 m 3 5 m 0000 Standard filter At shipment 0001 Super long life filter 0000 Availab...

Page 52: ...ignal Output during normal operation 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4E2 Input IFCB 4E2 No voltage ON OFF serial signal Output No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A 1 2 3 4 5 6 CN61 T10 YEL 1 2 3 4 1 2 3 4 5 6 CN13 CN06...

Page 53: ... this time the fan of the selected indoor unit only turns on 3 Using the setup temp or button specify the CODE No 4 Using the timer time or button select the setup data At shipment The setup data are as follows Setup data Handling of operation of air to air heat exchanger or ventilating fan Unavailable At shipment Available 5 Push SET button OK if display goes on To change the selected indoor unit...

Page 54: ...at 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 1 Push concurrently SET CL TEST buttons for 4 seconds or more 2 Using the setup temp or button spe...

Page 55: ...group control Outdoor Outdoor Indoor Indoor Indoor Indoor Indoor Header unit Follower unit Line address 1 Indoor unit address 1 Group address 1 1 2 2 1 3 2 2 1 2 2 2 2 Operation procedure 1 2 3 4 5 6 1 3 6 9 END 11 2 5 8 4 7 10 SET TIME TIMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER 7 8 9 10 11 END Note 1 When setting the line address from the remote controller...

Page 56: ...troller Group control unit other unit numbers are also displayed every pushing UNIT LOUVER button button at left side 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 l...

Page 57: ...trol is displayed one after the other In this time fan and louver of the selected indoor unit only operate ò 3 Using the set temperature TEMP buttons specify the CODE No DN ò 4 Using the timer time TIME buttons select the set data ò 5 Push SET button OK if indication lights To change the selected indoor unit proceed to Procedure 2 To change item to be set up proceed to Procedure 3 ò 6 Pushing TEST...

Page 58: ... SWING FIX button ò 3 Determine the selected line address using SET 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 ò 4 Every pushing UNIT LOUVER 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 ...

Page 59: ...splayed ò 4 TIME button push up down the indoor address of the SET DATA The set data is changed to a new address ò 5 Push SET button to determine the set data ò 6 Every pushing UNIT LOUVER 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 6 to change all t...

Page 60: ...e to service monitor mode 2 Push TEMP button to set the CODE No to FF 3 The display of A part in the following figure is counted as with 5 seconds interval When appear the error was cleared However counting from is repeated on the display screen 4 When pushing TEST button the status becomes normal How to clear error of indoor unit The error of indoor unit is cleared by ON OFF button of the remote ...

Page 61: ...compressor 1 is ON 10 Only compressor 2 is ON 11 Both compressor 1 and 2 are ON Note 3 For the CODE No an example of header unit is described Note 4 Upper girder of CODE No indicates the outdoor unit No 1 Header unit A 2 Follower unit B 3 Follower unit C 4 Follower unit D Indoor unit data System data Individual outdoor unit data Note 3 4 CODE No 00 01 02 03 04 05 08 F2 F3 0A 0B 0C 0D Data name Roo...

Page 62: ... Indoor fan does not stop Start stop operation on remote controller is unavailable Check items Is not delayed for 3 minutes 3 minutes after compressor OFF Is not thermostat OFF Is not the fan operating or timer Is not the system initially communicating Heating operation cannot be performed under condition of outside temperature 21 C or higher Cooling operation cannot be performed under condition o...

Page 63: ...door and remote controller Regular communication error between indoor and outdoor Duplicated indoor address Communication error between indoor MCU Regular communication error between header and follower in indoor unit Indoor heat exchanger temp sensor TCJ error Indoor heat exchanger temp sensor TC2 error Indoor heat exchanger temp sensor TC1 error Room tem Sensor TA error Discharge air temp sensor...

Page 64: ... unit In 2 remote controller control both remote controllers were set to header Indoor header stops with alarm and follower unit continues operation Check code display TCC LINK central C05 C06 C12 P30 Outdoor 7 segment Auxiliary code Sensor lamp display Block display Operation Timer Ready Flash Is not displayed In shared use of remote controller According to unit with alarm Abovementioned Main def...

Page 65: ...oor pressure sensor Pd Ps miswiring Outdoor discharge temp sensor TD3 error Low pressure Ps sensor error High pressure Pd sensor error Outdoor EEPROM error Description No communication from indoor unit Decrease of connected indoor units Signal cannot be sent to indoor unit There is no communication from outdoor unit There are multiple indoor units having the same address Detected also at indoor un...

Page 66: ...oor units over IPDU quantity error Outside error input in indoor Interlock Outdoor unit discharge TD1 temp error Open phase shortage Power failure error Inverter DC voltage Vdc error Description Miswiring or mismounting of outdoor discharge temp sensor TD1 or coming out of TD1 sensor was detected Miswiring or mismounting of outdoor discharge temp sensor TD2 or coming out of TD2 sensor was detected...

Page 67: ... unit error Main code Description High temp error was detected in outdoor IGBT built in temp sensor TH There is heat unit which was been detected water shortage in 1 system Heat unit detected There is abnormally stopped indoor unit which was been detected water overflow in 1 system Indoor unit detected Liquid back operation was judged from refrigerant cycle status Outdoor suction temp sensor TS1 c...

Page 68: ...ssor break down Compressor error Lock Current detection circuit error High pressure SW system operation Heat sink overheat error IPDU for outdoor fan error G Tr IGBT short circuit protection error Compressor position detection circuit system error Description Open Short of outdoor unit IGBT built in temp sensor TH was detected Inverter current Idc detection circuit detected over current Compressor...

Page 69: ...ck code Indoor unit No in which an error occurred 3 2 1 SET TIME TIMER SET TEST FILTER L L RESET TEMP CL FAN SAVE A A SWING FIX VENT MODE ON OFF UNIT LOUVER T How to read the check monitor display 7 segment display 8 9 A b C d E F H J L P 7 6 5 4 3 2 1 0 How to read Procedure 1 2 3 Description When pushing SET and TEST buttons simultaneously for 4 seconds or more the below display appears If Servi...

Page 70: ...r stop 1 Push and SET buttons in succession for 4 seconds or more 2 SERVICE CHECK goes on and CODE No 01 goes on 3 When selecting flash the group number if there is the alarm history the UNIT number and the latest alarm history are displayed alternately In this time the temperature cannot be set up 4 To confirm the alarm history other than the latest one push temp set to select CODE No 01 to 04 5 ...

Page 71: ...nd outdoor unit Communication interruption between indoor and outdoor units Communication receiving error between indoor and outdoor units decrease of No of connected indoor units Communication sending error between indoor and outdoor units No indoor unit during setting of automatic address No of connected indoor units capacity over Error of No of header unit Disagreement of refrigerant pipe commu...

Page 72: ...p sensor TD3 error Low pressure sensor Ps error Pressure sensor error in outdoor unit High pressure sensor Pd error Indoor unit EEPROM error Compressor break down Compressor lock Outdoor unit compressor system error Current detection circuit error Compressor 1 case thermo operation Miswiring or mismounting of outdoor discharge temp sensor TD1 or coming off of TD1 sensor Low pressure Ps drop error ...

Page 73: ...mer Ready Simultaneous flash Operation Timer Ready Alternate flash Check code Cause of trouble occurrence During test run COOL HEAT disagreement Automatic cooling heating setup to automatic cooling heating unavailable model heating setup to cooling only model ...

Page 74: ...period from the indoor unit which has been used to send signals Transmission from outdoor to indoor cannot continue for 30 seconds Multiple indoor unit address setup are duplicated In 2 remote controller control including wireless both are setup as master Header indoor unit stops and other indoor unit is operating Communication was not succeeded after power was supplied or during communication Whe...

Page 75: ...cated The signal was not returned for constant from the outdoor unit which was receiving signal Outdoor header unit received error code from outdoor follower unit Check item position Check the communication line connection between indoor and outdoor Check the electric power line error in indoor Check the noise of surrounding devices Power failure Check indoor P C board error Check the connection c...

Page 76: ...e value of sensor is infinite or zero Open Short Check item position Check connection of communication connector and disconnection between IPDU and I F P C board Check outdoor P C board I F Comp IPDU Fan IPDU error Check external noise Check connection cabling of TCJ sensor connector Check characteristics of TCJ sensor resistance value Check indoor P C board error Check connection cabling of TC2 s...

Page 77: ...etected over current and stopped Over current was detected several seconds after header compressor had started While header compressor stopped current flowed more than the specified current and was detected Check item position Check installation of TE1 sensor and TL sensor Check characteristics of TE1 and TL sensor resistance value Check outdoor P C board I F error Check connection of high pressur...

Page 78: ...Check mounting of TD1 sensor Check connection and wiring of TD1sensor connector Check characteristics of TD1 sensor resistance value Check outdoor unit P C board I F error Check full opening of service valve Discharge gas suction gas and liquid side Check outdoor PMV clogging PMV1 2 Check SV2 circuit and SV4 circuit error Check low pressure Ps sensor error Check indoor air filter clogging Check va...

Page 79: ... sensor connector Check characteristics of TD2 sensor resistance value Check outdoor unit P C board I F error Check TK1 sensor coming off Check characteristics of TK1 sensor resistance value Check TK1 TK2 TK3 TK4 and TK5 misconnection Check operation error of SV3E SV3F valve Check capillary clogging of oil equation circuit and operation error of stop valve Check refrigerant stagnation in compresso...

Page 80: ...was unset On the I F P C board for service jumper line was not cut according to the model Duplicated central control addresses There were more than four outdoor units No of IPDU units detected when power was turned on were less Outside error input terminal Detected signal to CN80 for more 1 minute P C board I F parts error Check item position Check display of indoor unit with priority Check displa...

Page 81: ... service valves Gas side Liquid side Check clogging of outdoor PMV PMV1 2 4 Check characteristics of TD1 sensor resistance value Check refrigerant shortage Check 4 way valve error Check leakage of SV4 circuit Check SV4 circuit Miswiring and misinstallation of SV41 SV42 and SV43 Check connection of high pressure SW connector Check Pd pressure sensor error Check full opening of outdoor service valve...

Page 82: ...pillary clogging of oil return circuit from oil separator Check leakage of stop valve in discharge assembly part Check refrigerant shortage Check full open of outdoor service valves gas side liquid side Check outdoor PMV clogging PMV1 2 Check characteristics of TS1 sensor resistance value Check 4 way valve error Check leakage of SV4 circuit Check refrigerant shortage Check outdoor PMV clogging PMV...

Page 83: ...ection was not normally performed Restart after 6 seconds Auxiliary code 04 External cause such as blast When difference between target rpm and real rpm is 25 or more Restart after 6 seconds Auxiliary code 0D Fan IPDU position detection circuit Position detection was not normally performed Windless status Auxiliary code 0C External cause such as blast Position detection was not normally performed ...

Page 84: ...inued Operation continued Error detection condition Signal is not transmit from central control device Signal is not received from central control device Error was input in general purpose equipment control interface An error occurred in follower unit of the group control P30 is displayed only on the central remote controller Central control addresses were duplicated Check item position Check cent...

Page 85: ...80 85 90 95 100 99 9 74 1 55 6 42 2 32 8 25 4 19 8 15 6 12 4 10 0 8 1 6 5 5 3 4 4 3 6 3 0 2 5 2 1 1 8 1 5 1 3 1 1 1 0 0 8 0 7 Temperature C Resistance value k 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 115 2 84 2 62 3 46 6 35 2 26 9 20 7 16 1 12 6 10 0 8 0 6 4 5 2 4 2 3 5 2 8 2 4 2 0 1 6 1 4 1 2 Temperature C Resistance value k 0 5 10 15 20 25 30 35 40 45 50 55 60 33 9 26 1 20 3 1...

Page 86: ... a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below Agent Qualifications and knowledge which the agent must have Qualified installer The qualified installer is a person who installs maintains relocates and removes the air conditioners made by Toshiba...

Page 87: ...s relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relatin...

Page 88: ...F position Otherwise electric shocks may result Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake Only a qualified installer 1 or qualified service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or t...

Page 89: ...r conditioner to malfunction Nitrogen gas must be used for the airtight test The charge hose must be connected in such a way that it is not slack If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may be generated Electrical wiring Only a qualified installer 1 or qualified service person 1 i...

Page 90: ...nter the refrigerating cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are changed from those for the conventional refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please care so...

Page 91: ... or when the humidity is over 80 condensation from the indoor unit will drip possibly causing damage to anything underneath In the case of the wireless type of system rooms with the inverter type of fluorescent lighting or locations exposed to direct sunlight The signals from the wireless remote controller may not be sensed Locations where organic solvents are being used The air conditioner cannot...

Page 92: ...time of filter sign and To secure better effect of heating in APPLICABLE CONTROLS of this manual I n case of wireless type Decide on the position where the remote controller is to be operated and where the unit is to be installed The wireless type can sense signals within a range of approximately 8 meters This distance serves as a general guideline It may be slightly more or slightly less dependin...

Page 93: ...iew A view EN 15 EN 16 EN 18 A Panel external dimension I Ceiling bottom surface B Ceiling opening dimension J Ceiling panel Sold separately C Hanging bolt pitch K Refrigerant pipe connecting port Liquid D Electric parts box L Refrigerant pipe connecting port Gas E Knockout square hole for auxiliary fresh air flange For Ø150 Sold separately M Drain pipe connecting port Be absolutely sure to use th...

Page 94: ...Sold separately C Hanging bolt pitch K Refrigerant pipe connecting port Liquid D Electric parts box L Refrigerant pipe connecting port Gas E Knockout square hole for auxiliary fresh air flange For Ø150 Sold separately M Drain pipe connecting port Be absolutely sure to use the flexible hose provided for the connection here F Knockout hole N Take in port of wires G Unit external dimension O Wireless...

Page 95: ... Liquid D Electric parts box L Refrigerant pipe connecting port Gas E Knockout square hole for auxiliary fresh air flange For Ø150 Sold separately M Drain pipe connecting port Be absolutely sure to use the flexible hose provided for the connection here F Knockout hole N Take in port of wires G Unit external dimension O Wireless signal sensor mounting area Sold separately H Hanging bolt M10 or W3 8...

Page 96: ...s Use the pattern fastening screws M5 16 accessory When hanging a ceiling open the ceiling along the outside dimensions of the installation pattern Hanging bolt M10 or W3 8 4 pieces Nut M10 or W3 8 12 pieces Indoor unit Installation pattern Accessory Use the pattern fastening screws M5 16 accessory These screws are used only to fasten the installation pattern When mounting the ceiling panel use th...

Page 97: ...the indoor unit is positioned 77 to 82 mm higher than the bottom surface of the ceiling panel All four corners 2 Check that the clearance between the outlet side shorter side of the indoor unit and ceiling panel is 25 mm 3 Check that the clearance between the outlet side longer side of the indoor unit and ceiling panel is 74 mm Hanging bolt M10 or W3 8 Nut M10 or W3 8 Procure hanging bolts and nut...

Page 98: ... DEW CONDENSATION INAPPROPRIATE PIPING WORK MAY RESULT IN WATER LEAKAGE IN THE ROOM AND WET OF FURNITURE Provide the indoor drain piping with proper heat insulation Also be absolutely sure to provide the area where the pipe connects to the indoor unit with proper heat insulation Improper heat insulation will cause condensation to form Ensure that the drain pipe is sloping downward at an angle of 1...

Page 99: ...et of the flexible hose provided into the drain pipe connecting port of the indoor unit as far as it will go Align the provided hose band with the end of the pipe connecting port and tighten it securely CAUTION Be absolutely sure to secure the soft end socket with the hose band provided and ensure that where the band is tightened is facing up Do not use the flexible hose provided with the hose ben...

Page 100: ...tor Be sure to check draining also when installed in heating period When the electrical and wiring work has been completed Before attaching the panel pour some water by following the method shown in the following figure Then while performing a cooling operation check that the water drains from the drain pipe connecting port transparent and that no water is leaking from the drain pipe When the elec...

Page 101: ... CN34 red Power supply wiring Tool for pouring water Bottle Water 1500 cc to 2000 cc P erform heat insulating As shown in the figure cover the flexible hose and hose band with the attached heat insulator up to the bottom of the indoor unit tightly Cover the drain pipe tightly with a heat insulator procured locally so that it overlaps with the attached heat insulator of the drain connecting section...

Page 102: ... case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that for R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size The sealed gas was sealed at the atmospheric pressure so when the flare nut is removed there will no whooshing sound This is normal and is not indicative of trouble Be absolutely sure ...

Page 103: ...installed an electric shock may be caused Be sure to use the cord clamps attached to the product Do not damage or scratch the conductive core and inner insulator of power and inter connecting wires when peeling them Use the power cord and Inter connecting wire of specified thickness type and protective devices required Never connect 220 V 240 V power to the terminal blocks etc for control wiring O...

Page 104: ... of the remote controller wiring and group remote controllers wiring CAUTION The remote controller wire Communication line and AC220 240V wires cannot be parallel to contact each other and cannot be stored in the same conduits If doing so a trouble may be caused on the control system due to noise etc Control wiring between indoor units and outdoor unit 2 core shield wire Wire size Up to 1000 m 1 2...

Page 105: ...es with cord clamp attached to the electric parts box Do not apply tension to the connecting section of the terminal block Using the attached thermal insulation material seal the pipe connecting port Otherwise dewing may be caused Mount the cover of the electric parts box without pinching wires Mount the cover after wiring on the ceiling panel Pass the wires underneath the flashing protrusion of t...

Page 106: ...ck for remote controller wiring of indoor unit W iring between indoor and outdoor units NOTE An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically the header unit Wiring example U1 U2 U1 U2 U3 U4 L1 L2 L3 N U5 U6 L N A B A B U1 U2 U3 U4 L1 L2 L3 N U5 U6 U1 U2 L N A B A B U1 U2 L N A B A B U1 U2 L N A B Earth terminal Control wiring between outdoo...

Page 107: ...m the ones for previous remote controllers AMT31E There are more CODE No 1 6 1 3 2 5 4 1 Pu ld an MP button r t If t COD s h button to clear the di ay eat the pr om o o of the re ntr ller a fte f f r d ers are operated under the LL is displayed first When is the indoor unit number ng ALL is the header unit Display content varies ith indoor un r it model 2 Each time you pu do nit numbers i cally Se...

Page 108: ...When it is difficult to obtain satisfactory heating due to installation place of the indoor unit or structure of the room the detection temperature of heating can be raised Also use a circulator etc to circulate heat air near the ceiling Follow the basic operation procedure 1 2 3 4 5 6 For the CODE No in Procedure 3 specify 06 For the SET DATA in Procedure 4 select the SET DATA of Detection temp s...

Page 109: ... ld for at least 4 seconds TEST appears on the display and the test run mode is established While the test run is underway TEST remains on the display 2 Pu ton 3 Usi ect the operation mode CO L Do not run the air con r ditioner in a mode other than COOL or HEAT The temperature controlling function does not work during test run The detection of error is performed as usual 2 4 3 1 5 4 Af r th st run...

Page 110: ... hooks at both ends and disengage the opening side hooks one at a time If the center panel holders refuse to slide loosen the screws a little more using the screwdriver Frame cover Screw Center panel holder Screw Center panel holder Center panel Center panel holder Frame cover Center panel holder Slide 1 2 1 2 This side drops down one step Center panel 2 3 Once you have checked that the hooking si...

Page 111: ...f the display disappears operate the air conditioner according to the following Confirmation of error history for confirmation Conf irmation of error history When a trouble occurred on the air conditioner the trouble history can be i h th procedure The trouble histor or ry up to 4 troubles The history can be confir ed from both operating status and stop status 1 When pushing and di and tons at the...

Page 112: ...here are two flashing LED Check code Wireless remote controller Check code name Judging device Wired remote controller display Outdoor unit 7 segment display AI NET central control display Sensor block display of receiving unit Auxiliary code Operation Timer Ready Flash E01 Communication error between indoor unit and remote controller Detected at remote controller side Remote controller E02 Remote...

Page 113: ... F F01 0F ALT Indoor unit TCJ sensor error Indoor unit F02 0d ALT Indoor unit TC2 sensor error Indoor unit F03 93 ALT Indoor unit TC1 sensor error Indoor unit F04 F04 19 ALT TD1 sensor error I F F05 F05 A1 ALT TD2 sensor error I F F06 F06 01 TE1 sensor 02 TE2 sensor 18 ALT TE1 sensor error TE2 sensor error I F F07 F07 18 ALT TL sensor error I F F08 F08 1b ALT TO sensor error I F F10 OC ALT Indoor ...

Page 114: ...em error 02 TK2 oil circuit system error 03 TK3 oil circuit system error 04 TK4 oil circuit system error 05 TK5 oil circuit system error d7 Oil level detective circuit error I F H25 H25 TD3 sensor miswiring I F L03 96 SIM Indoor unit center unit duplicated Indoor unit L04 L04 96 SIM Outdoor unit line address duplicated I F L05 96 SIM Duplicated indoor units with priority Displayed in indoor unit w...

Page 115: ...missing detection Power failure detection Inverter DC voltage error comp Inverter DC voltage error comp Inverter DC voltage error comp I F P07 P07 01 Comp 1 side 02 Comp 2 side 03 Comp 3 side IC ALT Heat sink overheat error IPDU I F P09 P09 Detected heat storage address 47 ALT No heat storage unit water error Heat storage unit P10 P10 Detected indoor unit address Ob ALT Indoor unit overflow error ...

Page 116: ...DU P31 47 ALT Other indoor unit error Group follwer indoor unit error Indoor unit b7 By alarm device ALT Error in indoor unit group AI NET 97 AI NET communication system error AI NET 99 Duplicated network adapters AI NET Check code Wireless remote controller Check code name Judging device Central control device indication Outdoor unit 7 segment display AI NET central control display Sensor block d...

Page 117: ...PAN Authorized Representative TCF holder Nick Ball Toshiba EMEA Engineering Director Toshiba Carrier UK Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type MMU AP0072WH MMU AP0092WH MMU AP0122WH MMU AP0152WH MMU AP0182WH MMU AP0242WH MMU AP0272WH MMU AP0302WH MMU AP0362...

Page 118: ... limit of R410A which is used in multi air conditioners is 0 3 kg m3 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 For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10 kg The possible amount of leaked refrigerant gas in rooms D...

Page 119: ...CHANGE STANDARD 0000 HIGH CEILING 1 0001 HIGH CEILING 3 0003 Have you changed lighting time of filter sign If not fill check mark in NO CHANGE and fill check mark in ITEM if changed respectively For check method refer to APPLICABLE CONTROLS in this manual Filter sign lighting time CODE NO 01 NO CHANGE NONE 0000 150H 0001 2500H 0002 5000H 0003 10000H 0004 Filter sign lighting time CODE NO 01 NO CHA...

Page 120: ...allation time respectively Proceed with exchange of P C board assembly for indoor service in the following procedure After exchange work check again the setup for indoor unit No or group header follower units to confirm whether the setup contents are correct or not and then check also the refrigerant circuit system by a test operation etc Exchange procedure Method 1 Before exchange it is possible ...

Page 121: ...y 2 Specify the indoor unit No to be exchanged The fan of the selected indoor unit operates and also starts swinging in a model with louver 3 Using temperature setup TEMP buttons the CODE No DN can be moved up down one by one 3 4 First change the CODE No DN from 10 01 Setup of filter sign lighting time In this time make a note of contents of the displayed setup data 5 In the next time change the C...

Page 122: ... unit to be exchanged Remote controller 1 1 Based upon the system configuration turn on power of the indoor unit with one of the following items 1 Single Individual operation Turn on power of the indoor units and proceed to Procedure 3 2 Group operation A In case that power of the exchanged indoor unit only can be turned on Turn on power of the exchanged indoor unit only and proceed to Procedure 3...

Page 123: ...ch were set up at the local site after installation are written in EEPROM Execute again the operation in the above item 1 5 Using temperature setup TEMP buttons set 01 to the CODE No DN Lighting time setup for filter sign 6 Compare the contents of the setup data which is displayed in this time with contents noted in a memo in Procedure 1 and customer s information 1 If data is incorrect change it ...

Page 124: ...eg Ts 1 5 0000 None 0002 Humidifier 0000 Not available 0002 Body sensor 0000 Standard 0000 Available 0000 Standard 0000 Not fixed 0000 Not fixed 0000 Not fixed 0000 Not fixed Type CODE No 10 The initial setup value of EEPROM installed on the service P C board Model name MMU AP 2H For the above models set CODE No to and the setting data 0000 initial to 0001 Indoor unit capacity CODE No 11 Setup dat...

Page 125: ...g otherwise an injury may be caused by parts etc Remarks 1 Detachment 1 Stop operation of the air conditioner and then turn off the breaker switch 2 Remove the center panel as the following procedure Loosen the screws on the center panel holders fixed to the frame covers by turning them about three times Figure 2 Note There is a frame cover on each long side of the panel Loosen all four screws on ...

Page 126: ...When pulling the panel the hanging side lowers by one step and the hook at opening port side is removed Hold the positions near the hook at both sides of the center panel and remove hooks at opening port sides one by one Confirm that hanging sides at both sides lowered by one step turn it downward slowly 3 and open the center panel Open the center panel until there is no slackness on the wire at b...

Page 127: ... Be sure to attach a hook with panel stopper at first If attaching a hook without panel stopper at first the center panel cannot be attached 2 Hang S shape bracket of the wire to the wire fixing part from down side Note If hanging it from upside the bracket may come off when opening closing of the center panel The wire is provided to prevent falling of the center panel Be sure to attach it to the ...

Page 128: ...ecting wire and remote controller wiring from each terminal block 5 Remove the connectors connected from the control P C board to other parts Note Before removing the connectors unlock the lock of housing part CN33 Louver motor 5P White CN34 Float switch 3P Red CN41 Remote controller terminal block 3P Blue Terminal block screws 2P CN68 Drain pump 3P Blue CN67 Power supply terminal block 5P Black T...

Page 129: ...g off or connection error In cases of AP027 and AP048 slacken the fan motor wires at side of the electric parts box As the air filter will be entered slackness is required 3 Attach both air filter and center panel as original Remarks 1 Detachment 1 Perform work Detachment 1 of 3 In the works of 1 of 3 detachment of the control P C board is possible even if skipping works 6 and after 2 Unlock the l...

Page 130: ...Attachment In case of AP009 1 Attach all the fan motor turbo fan bell mouth and electric parts box as original Be sure to perform wiring in the electric parts box as original Note Pass the fan motor wires necessarily through the clamp and the specified fixing slit of the drain pan 2 Check that the turbo fan does not hit the fan motor wiring by turning lightly the turbo fan with hands 3 Attach the ...

Page 131: ... pc 2 Attachment In cases of AP027 AP048 1 Adjust the hexagon socket screw so that it fits groove of the shaft and then insert the fan into the shaft 2 Screw the fan motor with the fixing sheet metal Ø5 16 2 pcs Note Match direction of the fan motor with turning direction of the fan and then fix the fan motor wiring so that it is set at piping side 3 Fix the earth wire by screw as original 4 Using...

Page 132: ...is time be sure to insert claws into the inner and outer frames 3 Pull A part to the arrow direction until one side each matches with the hole part mark is sign and then move the slide lever to the LOCK position 4 Move the slide lever while pushing it 4 Using screws Ø4 10 2 pcs taken off in 1 Detachment of 6 fix it Note When attaching the adjust cover be sure to move it until there is no clearance...

Page 133: ...he ceiling panel slantingly Hang one side of the tentative hook to the indoor unit lift up the other hook horizontally and hang it Note When hanging the ceiling panel match the louver motor wiring side of the ceiling panel with the electric parts box side of the indoor unit 2 Check that the tentative hooks at the both sides of the ceiling panel are surely hanged and then leave the hands For the ce...

Page 134: ...and the drain pump sensor wiring through the specified hole Note Be sure to pass the drain pump sensor wiring through the specified fixing slit of the inner foaming Be sure to pass also the fan motor wiring through the clamp and the fixing slit 2 Attach all the partition board bell mouth electric parts box ceiling panel air filter and center panel as original For wiring in the electric parts box b...

Page 135: ... Attach the drain pan as original while passing the fan motor wiring and the drain pump sensor wiring through the specified hole Note Be sure to pass the drain pump sensor wiring through the specified fixing slit of the inner foaming 2 Attach all the partition board electric parts box ceiling panel air filter and center panel as original For wiring in the electric parts box be sure to wire it as o...

Page 136: ...it Relay connector AP048 type only Relay connector AP048 type only Inside of vinyl tube Black Inside of vinyl tube Black Relay connector AP048 type only Inside of vinyl tube Black 1 Detachment 1 Perform work Detachment 1 of 8 2 Remove the relay connector of PMV motor Only relay connector of AP048 type is connected in the vinyl tube Therefore cut off the bundling band which fixes the tube and then ...

Page 137: ...4 8 1 pc each of the end boards 2 pcs and then take out the heat exchanger slowly 2 Attachment In case of AP009 1 Set the heat exchanger at the original position and then fix all the end board heat exchanger fixing board and piping cover with taken off screws as original 2 Insert wires for TC1 sensor TC2 sensor and TCJ sensor into the holder and perform wiring as original 3 Attach all the drain pa...

Page 138: ...ch of the end boards 2 pcs and then take out the heat exchanger slowly 2 Attachment In case of AP027 AP048 1 Set the heat exchanger at the original position and then fix all the end board heat exchanger fixing board and piping cover with taken off screws as original 2 Insert wires for TC1 sensor TC2 sensor and TCJ sensor into the holder and perform wiring as original 3 Attach all the drain pan par...

Page 139: ... AP0092WH MMU AP0122WH MMU AP0152WH 252 251 253 255 241 242 243 206 225 205 MMU AP0072 AP0092 AP0122WH MMU AP0152WH 201 218 215 203 204 202 217 213 226 233 232 207 216 235 214 234 229 224 228 228 231 236 219 224 230 219 227 208 210 223 208 210 223 209 220 222 211 212 221 ...

Page 140: ...10 Plug 227 43149314 Sheet PMV 228 43147664 Strainer 229 4314Q051 Strainer 230 43146707 Motor PMV EDM MD12TF 3 231 43146713 Valve PMV EDM B25YGTF 3 232 43177014 Pump Drain ADP 1409 960L 233 43151284 Switch Float 234 43197155 Washer 235 43179126 Rubber Pump Drain 236 43146726 Body PMV 241 431S8086 Owner s Manual MMY MAP1201HT8 E 242 431S8205 Owner s Manual MMY MAP0804HT8 E 243 4318T727 Owner s Manu...

Page 141: ...nsor Service TA 403 43150320 Sensor Ass y Service TG F4 405 43160582 Terminal 4P AC30V DC42V 1A 406 43160575 Terminal Block 2P AC300V 20A 407 4316V437 P C board Ass y MCC 1402 Model Name MMU AP 0072WH 0092WH 0122WH 0152WH 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 407 402 406 401 403 405 ...

Page 142: ...2WH MMU AP0242WH MMU AP0272WH MMU AP0302WH 252 251 253 255 241 242 243 209 236 220 234 210 219 235 202 203 201 208 206 207 229 204 205 228 231 233 221 218 230 227 232 214 215 216 217 223 224 211 212 213 222 225 226 ...

Page 143: ... 3 8 IN 226 43049697 Bonnet 227 43019904 Holder Sensor 228 43179135 Band Hose 229 43179110 Plug 230 43149314 Sheet PMV 231 43147664 Strainer 232 43146707 Motor PMV EDM MD12TF 3 233 43146726 Body PMV 234 43177014 Pump Drain ADP 1409 960L 235 43151284 Switch Float 236 43179126 Rubber Pump Drain 241 431S8086 Owner s Manual MMY MAP1201HT8 E 242 431S8205 Owner s Manual MMY MAP0804HT8 E 243 4318T727 Own...

Page 144: ...ce TC F6 402 43050426 Sensor Service TA 403 43150320 Sensor Ass y Service TG F4 405 43160582 Terminal 4P AC30V DC42V 1A 406 43160575 Terminal Block 2P AC300V 20A 407 4316V437 P C board Ass y MCC 1402 Model Name MMU AP 0182WH 0242WH 0272WH 0302WH 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Page 145: ...145 MMU AP0362WH MMU AP0482WH MMU AP0562WH 224 252 251 253 255 241 242 243 215 216 214 206 210 209 205 218 202 204 225 203 228 226 201 207 231 208 230 232 217 227 212 213 221 211 220 222 223 219 229 ...

Page 146: ...older Sensor 224 43179135 Band Hose 225 43179110 Plug 226 43149314 Sheet PMV 227 43147664 Strainer 228 43146707 Motor PMV EDM MD12TF 3 229 43146723 Body PMV 230 43177014 Pump Drain ADP 1409 960L 231 43151284 Switch Float 232 43179126 Rubber Pump Drain 241 431S8086 Owner s Manual MMY MAP1201HT8 E 242 431S8205 Owner s Manual MMY MAP0804HT8 E 243 4318T727 Owner s Manual MCY MAP0401HT 251 43166012 Rem...

Page 147: ...e TA 403 43150320 Sensor Ass y Service TG F4 404 43158193 Reactor CH 43 2Z T 405 43160582 Terminal 4P AC30V DC42V 1A 406 43160575 Terminal Block 2P AC300V 20A 407 4316V437 P C board Ass y MCC 1402 Model Name MMU AP 0362WH 0482WH 0562WH 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 407 404 402 406 401 403 405 ...

Page 148: ...R MMU AP0152WH TR 252 251 253 255 241 206 225 205 MMU AP0072 AP0092 AP0122WH TR MMU AP0152WH TR 201 218 215 203 204 202 217 213 226 233 232 207 216 235 214 234 229 224 228 228 231 236 219 224 230 219 227 208 210 223 208 210 223 209 220 222 211 212 221 ...

Page 149: ...lder Sensor 225 43179135 Band Hose 226 43179110 Plug 227 43149314 Sheet PMV 228 43147664 Strainer 229 4314Q051 Strainer 230 43146707 Motor PMV EDM MD12TF 3 231 43146713 Valve PMV EDM B25YGTF 3 232 43177014 Pump Drain ADP 1409 960L 233 43151284 Switch Float 234 43197155 Washer 235 43179126 Rubber Pump Drain 236 43146726 Body PMV 241 431S8206 Owner s Manual MMY MAP0804HT8 TR 251 43166012 Remote Cont...

Page 150: ...ervice TA 403 43150320 Sensor Ass y Service TG F4 405 43160582 Terminal 4P AC30V DC42V 1A 406 43160575 Terminal Block 2P AC300V 20A 407 4316V437 P C board Ass y MCC 1402 Model Name MMU AP 0072WH TR 0092WH TR 0122WH TR 0152WH TR 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 407 402 406 401 403 405 ...

Page 151: ...H TR MMU AP0242WH TR MMU AP0272WH TR MMU AP0302WH TR 252 251 253 255 241 209 236 220 234 210 219 235 202 203 201 208 206 207 229 204 205 228 231 233 221 218 230 227 232 214 215 216 217 223 224 211 212 213 222 225 226 ...

Page 152: ...IN 224 43194029 Bonnet 225 43149355 Nut Flare 3 8 IN 226 43049697 Bonnet 227 43019904 Holder Sensor 228 43179135 Band Hose 229 43179110 Plug 230 43149314 Sheet PMV 231 43147664 Strainer 232 43146707 Motor PMV EDM MD12TF 3 233 43146726 Body PMV 234 43177014 Pump Drain ADP 1409 960L 235 43151284 Switch Float 236 43179126 Rubber Pump Drain 241 431S8206 Owner s Manual MMY MAP0804HT8 TR 251 43166012 Re...

Page 153: ...ervice TA 403 43150320 Sensor Ass y Service TG F4 405 43160582 Terminal 4P AC30V DC42V 1A 406 43160575 Terminal Block 2P AC300V 20A 407 4316V437 P C board Ass y MCC 1402 Model Name MMU AP 0182WH TR 0242WH TR 0272WH TR 0302WH TR 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 407 402 406 401 403 405 ...

Page 154: ...154 MMU AP0362WH TR MMU AP0482WH TR MMU AP0562WH TR 224 252 251 253 255 241 215 216 214 206 210 209 205 218 202 204 225 203 228 226 201 207 231 208 230 232 217 227 212 213 221 211 220 222 223 219 229 ...

Page 155: ...222 43149355 Nut Flare 3 8 IN 223 43019904 Holder Sensor 224 43179135 Band Hose 225 43179110 Plug 226 43149314 Sheet PMV 227 43147664 Strainer 228 43146707 Motor PMV EDM MD12TF 3 229 43146723 Body PMV 230 43177014 Pump Drain ADP 1409 960L 231 43151284 Switch Float 232 43179126 Rubber Pump Drain 241 431S8206 Owner s Manual MMY MAP0804HT8 TR 251 43166012 Remote Controller SX A5EE 252 43166011 Remote...

Page 156: ...403 43150320 Sensor Ass y Service TG F4 404 43158193 Reactor CH 43 2Z T 405 43160582 Terminal 4P AC30V DC42V 1A 406 43160575 Terminal Block 2P AC300V 20A 407 4316V437 P C board Ass y MCC 1402 Model Name MMU AP 0362WH TR 0482WH TR 0562WH TR 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 407 404 402 406 401 403 405 ...

Page 157: ... 217 218 236 209 208 235 212 218 219 210 234 216 207 214 221 222 223 225 227 229 211 218 220 233 233 207 230 237 224 226 228 238 239 206 231 201 202 203 205 204 213 RBC UW283PG W E RBC UW803PG W E RBC UW1403PG W E ...

Page 158: ...1 Louver 220 43409192 Louver 221 43400069 Frame Outlet 222 43400071 Frame Outlet 223 43400073 Frame Outlet 224 43400060 Frame Inlet 225 43400061 Frame Inlet 226 43400062 Frame Inlet 227 43400063 Frame Inlet 228 43400064 Frame Inlet 229 43400065 Frame Inlet 230 43400066 Cover Body 231 43401030 Spacer 232 43401031 Spacer 233 43407140 Cap Louver 234 43401033 Spacer Motor 235 43401034 Base Ass y P C b...

Page 159: ...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 i...

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