Fujitsu ARYG72LHTA Service Manual
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Fujitsu ARYG72LHTA Service Manual

Split type air conditioner duct type (50hz)
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SPLIT TYPE
AIR CONDITIONER
DUCT TYPE (50Hz)
Indoor unit
ARYG72LHTA AOYG72LRLA
CONT ENT S
SPECIFICATIONS . . . . . . . . . . . . . . . . . .
DIMENSIONS. . . . . . . . . . . . . . . . . . . . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . .
PCB CIRCUIT DIAGRAM . . . . . . . . . . . .
ERROR DETECTION. . . . . . . . . . . . . . .
PARTS (INDOOR UNIT). . . . . . . . . . . . .
PARTS (OUTDOOR UNIT) . . . . . . . . . .
ACCESSORIES . . . . . . . . . . . . . . . . . . .
Outdoor unit
1
2
4
5
8
11
13
17
26

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Summary of Contents for Fujitsu ARYG72LHTA

  • Page 1: Table Of Contents

    DUCT TYPE (50Hz) Indoor unit Outdoor unit ARYG72LHTA AOYG72LRLA CONT ENT S SPECIFICATIONS ....DIMENSIONS..... .

  • Page 2: Specifications

    S PEC IFIC AT I O NS ELECTRICAL DATA FAN REVOLUTION COMPRESSOR AND REFRIGERANT INDOOR UNIT ARYG72LHTA Scroll type, High 1,130 rpm 3 pole, 3 phase, COMPRESSOR TYPE OUTDOOR UNIT AOYG72LRLA Medium 1,040 rpm DC brushless motor INDOOR UNIT POWER SUPPLY Indoor...
  • Page 3 DIM EN S IONS INDOOR UNIT 316 mm 1,295 mm 277 mm 1,162 mm 1,440 mm 2017.04.05...
  • Page 4 688 mm OUTDOOR UNIT 480 mm 1,080 mm 558 mm 2017.04.05...

  • Page 5: Refrigerant System Diagram

    Refrigerant flow REF R IG E R A N T Cool SYS TE M D I AG R A M Heat OUTDOOR UNIT INDOOR UNIT Pressure Refrigerant Pipe Check Valve 25.4mm (1") Pressure 3-Way Valve Sensor (High) 4-way Valve Pressure Pressure Sensor (Low) Switch...

  • Page 6: Circuit Diagram

    C I R CU IT D IA GR A M Trans board INDOOR UNIT non-polar 2-wire ( Test Main ) Indicator PCB 1 2 3 4 5 6 7 8 9 1011 ( Option ) 1 2 3 4 5 6 7 8 9 101112 1 2 3 4 5 6 7 8 9 1011 CN700 CN320...
  • Page 7 Pressure Pressure Expansion Model : AOYG72LRLA sensor Pressure switch ( High ) valve coil 4-Way Crank sensor valve case Revision Code : A ( Low ) coil heater 1 2 3 1 2 3 1 2 3 4 1 2 3 4 5 6 1 2 3 1 2 3 1 2 3 4...
  • Page 8 Pressure Expansion Pressure sensor valve Model : AOYG72LRLA ( High ) Pressure switch Crank 4-Way coil 1 sensor case valve ( Low ) Revision Code : None heater coil 1 2 3 1 2 3 1 2 3 4 1 2 3 4 5 6 Thermistor <TH1>...

  • Page 9: Pcb Circuit Diagram

    P C B CIRCU IT D IA GRAM AWG16 2 TURNS GREEN 551-1 CN551 551-2 B04B-PAKK-1 DC13V-1 UL1430 AWG26 x 4 551-3 BLACK 65-1 GRAY Model : ARYG72LHTA 551-4 65-2 CN65 B04B-PASK-1 B04B-PASK-1 65-3 ORANGE WHITE TMB1 WHITE 65-4 YELLOW EX. IN & OUT PCB...
  • Page 10 Model : AOYG72LRLA CN104, 122 DC Fan motor1 & 2 REACTOR ASSY Terminal Revision Code : A Lead wire INVERTER ASSEMBLY Pin No. Function of terminal L=22mH 5A 4-WAY VALVE COIL code color *DC Resistance *DC Resistance Motor power voltage input HIGH PRESSURE SWITCH 1725 CRANKCASE HEATER...
  • Page 11 Model : AOYG72LRLA REACTOR ASSY CN104, 122 DC Fan motor1 & 2 INVERTER ASSEMBLY 4-WAY VALVE COIL L=22mH 5A Terminal Lead wire *DC Resistance *DC Resistance Function of terminal Pin No. Revision Code : None EZ-0161YHUE code HIGH PRESSURE SWITCH 1725 CRANKCASE HEATER DC FAN MOTOR 1...

  • Page 12: Error Detection

    Error display Error display Wired Wired remote remote TIMER ECONOMY TIMER ECONOMY E RR O R DET EC TION Description Description OPERATION OPERATION control control lamp lamp lamp lamp lamp (green) lamp (green) Error code Error code (orange) (green) (orange) (green) Inverter error Serial communication error...
  • Page 13 Error code check table OUTDOOR UNIT ERROR CODE DISPLAY LED display PUMP DOWN LOW NOISE PEAK CUT POWER/ ERROR MODE (L1) (L2) (L3) (L4) (L5) (L6) You can determine the operating status by the ○ ○ Serial forward transmission error immediately after ●...
  • Page 14 Ref. Description Part number PA R T S Main panel Remote control 9381009039 INDOOR UNIT Service panel ARYG72LHTA Hose sub assy 9378450196 Drain pan sub assy 9381752010 Casing B sub assy 9381829026 Room thermistor 9703299278 Pipe thermistor 9900892012 Intake angle...
  • Page 15 INDOOR UNIT ARYG72LHTA Ref. Description Part number Heatsink 9382646004 Main PCB 9710630002 Communication PCB 9710019005 Terminal (remote) 9900896003 Terminal (serial) 9900568009 Terminal (power) 9703873027 Reactor assy 9900711016 2017.04.05...
  • Page 16 Ref. Description Part number Fan motor 9603566012 Sirocco fan assy 9381440016 Casing A 9381561001 Evaporator total assy 9374517800 INDOOR UNIT ARYG72LHTA Drain hose cover Pipe panel sub assy 2017.03.22...
  • Page 17 INDOOR UNIT ARYG72LHTA Side panel LB Main angle Outlet angle sub assy Outlet frame assy sub assy sub assy Connect plate Outlet angle b sub assy Side panel Separator LA assy Side panel RB sub assy Top panel B sub assy...
  • Page 18 C AU T I ON Leaflet attached with service parts 　 We will change the specification of parts. Confirm the serial number before exchange parts. With this change, we will not change the MODEL NAME of the product. Instead, add the revision code to the nameplate. As a result, the parts list of the service parts will be changed.
  • Page 19 Change parts list Description Ref. Revision code : None Revision code : A Remarks name note 9710851025 9710851056 ※ MAIN PCB (service unit) Leaflet attached K16GX-1604SUE-C1 K16GX-1701SUE-C1 9709919033 9710417016 FILTER PCB K11CB-1600HUE-FL0 K15CL-1600HUE-FL0 9710771019 POWER PCB None K16HC-1601HUE-P0 9382541002 POWER PCB HOLDER None PPE/PS 5VA 0001113013...
  • Page 20 About original parts before revision change If there are original parts (shaded in the table below) in parts inventory,please use for the product before revision change. In the future, if ordered by the part number of the original part, we arrange it with a new part (red letters) Revision code [None] Description Remarks...

  • Page 21: Parts (Indoor Unit)

    PA RTS OUTDOOR UNIT AOYG72LRLA Revision code : A Revision code : None Parts number Ref. Description Revision code : None Revision code : A Drain assy 9303029015 Drain cap 313166024302 Protective net aasy 9378926066 Thermo holder 9375211011 Outdoor thermistor 9900957018 2017.08.09...

  • Page 22: Parts (Outdoor Unit)

    Revision code : A Revision code : None Top panel sub assy 9379416054 Front panel sub assy 9380569046 Sevice panel sub assy 9380571056 FUJITSU label 9380477006 Right panel sub assy 9380570059 Propeller fan 9382350000 Motor DC brushless 9603561017 Separate wall sub assy...
  • Page 23 Revision code : None OUTDOOR UNIT AOYG72LRLA Parts number Description Revision code : A Revision code : None Main PCB (service unit) 9710851025 9710851056 Terminal 9900569006 9900584016 Reactor assy (main) Caution : " " marked parts vary depending Filter PCB 9709919033 9710417016 on "Revision Code".
  • Page 24 OUTDOOR UNIT AOYG72LRLA Revision code : A Revision code : None Closing pipe A Parts number Ref. Description Revision code : A Revision code : None Thermistor assy 9900922023 Thermistor (heat exchanger) 9900967017 Condenser total assy 9382704001 Joint pipe distributor 1 9379046022 Accumulator sub assy 9379221085...
  • Page 25 Closing Pipe B OUTDOOR UNIT Parts number AOYG72LRLA Ref. Description Revision code : A Revision code : None Revision code : A Revision code : None Expansion valve coil 9970114007 Expansion valve assy 9378750173 3-way valve assy 9379039086 3-way valve assy 9379039062 Suction pipe A assy 9382716004...
  • Page 26 OUTDOOR UNIT AOYG72LRLA Revision code : A Revision code : None Parts number Ref. Description Revision code : A Revision code : None 4-way valve sub assy 9381449040 Solenoid 9970113017 Union joint 9970091018 High pressure sensor 9970178009 Low pressure sensor 9970178016 Pressure switch 9900186029...

  • Page 27: Accessories

    A C C ESSOR IE S INDOOR UNIT OUTDOOR UNIT Name and Shape Q’ty Description Name and shape Q’ty Description Special nut A Drain cap For outdoor unit drain piping work (large Special nut B Drain pipe For outdoor unit drain piping work For suspending the indoor unit (small from ceiling...
  • Page 28 1703G4595...

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