Fujitsu ARHC72LHTA Service Manual

Fujitsu ARHC72LHTA Service Manual

Duct type 50hz indoor/outdoor units
SPLIT TYPE
AIR CONDITIONER
DUCT TYPE (50Hz)
Indoor unit
ARHC72LHTA AOHA72LALT
ARHC90LHTA AOHA90LALT
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . .
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . .
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PARTS (INDOOR UNIT) . . . . . . . . . . . . .
PARTS (OUTDOOR UNIT) . . . . . . . . . . .
ACCESSORIES. . . . . . . . . . . . . . . . . . . .
Outdoor unit
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Table of Contents
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Summary of Contents for Fujitsu ARHC72LHTA

  • Page 1: Table Of Contents

    AIR CONDITIONER DUCT TYPE (50Hz) Indoor unit Outdoor unit ARHC72LHTA AOHA72LALT ARHC90LHTA AOHA90LALT CONTENTS SPECIFICATIONS ....DIMENSIONS ..... .
  • Page 2: Specifications

    SPECIFICATIONS ELECTRICAL DATA NOISE LEVEL High 47 dB(A) 49 dB(A) TYPE Cooling and heating INDOOR INDOOR UNIT ARHC72LHTA ARHC90LHTA Medium 44 dB(A) 46 dB(A) UNIT OUTDOOR UNIT AOHA72LALT AOHA90LALT 41 dB(A) 43 dB(A) COOLING CAPACITY 20.3 kW 25.0 kW Cooling...
  • Page 3: Dimensions

    DIMENSIONS SAFETY DRAIN PORT MAIN DRAIN PORT INDOOR UNIT ARHC72LHTA (unit : mm) REAR VIEW 1587 1410 (BOLT PITCH) 1250 P150 X 7 =1050 P160x2 =320 SIDE VIEW (R) 1200 1450 SIDE VIEW (L) AIR FLOW TOP VIEW FRONT VIEW Drain pipe diameter Inside : 36.0 mm...
  • Page 4 SAFETY DRAIN PORT MAIN DRAIN PORT INDOOR UNIT ARHC90LHTA (unit : mm) REAR VIEW 1587 1410(BOLT PITCH) 1250 SIDE VIEW (R) P150x7=1050 P160X2=320 1200 1450 SIDE VIEW (L) AIR FLOW TOP VIEW FRONT VIEW Drain pipe diameter Inside : 36.0 mm Outside : 38.0 mm 2013.02.27...
  • Page 5 690(Bolt pitch) 530(Bolt pitch) 8-12x17(Hole) OUTDOOR UNIT (unit : mm) Top view Left view A, C Right view Front view Rear view 2010.02.17...
  • Page 6: Refrigerant System Diagram

    Cooling flow REFRIGERANT SYSTEM DIAGRAM Heating flow OUTDOOR UNIT INDOOR UNIT 2010.02.18...
  • Page 7: Circuit Diagram

    CIRCUIT DIAGRAM OUTDOOR UNIT BLACK WHITE COMPRESSOR 1 2 3 1 2 3 BLACK REACTOR CN802 THERMISTOR ( HEAT SINK TEMP. ) BLACK W902 BLACK CAPACITOR CN800 1 2 3 1 2 3 WHITE CAPACITOR CN501 W804 L1 L2 L3 31 BLACK BLACK BLUE...
  • Page 8: Indoor Pcb Circuit Diagram

    INDOOR PCB CIRCUIT DIAGRAM CONTROL UNIT ARHC72LHTA : EZ-0122WHSE ARHC90LHTA : EZ-01221HSE DC FAN MOTOR 1 DC FAN MOTOR 2 F M 1 F M 2 MAIN PCB ARHC72LHTA : K09AZ-0900HSE-C1 ARHC90LHTA : K09AZ-0901HSE-C1 CN161 CN500 CN500 FRESH AIR B02B-PAMK...
  • Page 9 MAIN PCB ARHC72LHTA : K09AZ-0900HSE-C1 ARHC90LHTA : K09AZ-0901HSE-C1 CN70 1971032-5 ( G I C2.0 5P ) L131 WHITE BLm18AG601 CN130 CN30 B07B-PASK-1 ( LF ) (SN ) C131 C130 R134 - R136, R130, R131 B08B-PASK-1 ( LF ) ( SN ) WHITE 0.01...
  • Page 10 INDOOR UNIT POWER SUPPLY PCB K09AR-0900HSE-P0 340V W500 P I N1 YELLOW R506 R500 - R502 PC500 10k <1/10W> 220k <1/3W> PS2561L-1-V I C500-2 1% x 3 BA2903F R510, R512 R507 C501 4.7k <1/10W> 0.01 1.5k <1/10W> x 2 DC FAN 1 R505 I C500-1...
  • Page 11 INDOOR UNIT FILTER PCB K09AX-0900HSE-FL0 PTC 2 PTC 1 W311 W312 W309 W310 ORANGE ORANGE ORANGE ORANGE W304 SECONDARY GREEN SA301 EARTH RA-362M C304 C305 0.01 0.01 W308 N OUT 2 VA302 GRAY 470V W307 W302 N OUT 1 N I N WHITE WHITE...
  • Page 12: Outdoor Pcb Circuit Diagram

    OUTDOOR PCB CIRCUIT DIAGRAM INVERTER ASSEMBLY AOHA72LALT : EZ-0092HUE AOHA90LALT : EZ-0098HUE DC FAN MOTOR POWER SOURCE FOR INDOOR UNIT CN101 WHITE F100 AC230V B3P5-VH-B CN102 F. M. F I H 50Hz BLACK WHITE B7P-VH-B AC250V 3.15A WHITE EMI FILTER UL1015 UL1015 AWG20 x 3 EMI FILTER...
  • Page 13 MAIN PCB - 1 AOHA72LALT : K09AS-0900HUE-C1 AOHA90LALT : K09AS-0901HUE-C1 CN139 2-1747052-3 BLUE TP00351-31 x 2 I C107-1 D101 340V FH101 FH102 SECONDARY L101 D104 16.5V LL25XB60 uLN2003ADR BLm31PG121 RF101L2S CN100 R137 C105 2 16 P_PR HS101 F100 B03P-VL 150k 0.01 C117 C166...
  • Page 14 MAIN PCB - 2 AOHA72LALT : K09AS-0900HUE-C1 AOHA90LALT : K09AS-0901HUE-C1 L104 CN141 BL02Rn1 1971032-6 R145, R144, R143, R142 R197 G I C2.0-6P 1.5k <1/10W> x 4 WHITE <1/10W> DIS. TH. P_AN_TD R212 Q102 I C109-3 R224 C180 R196 <1/10W> uLN2003ADR P_LED_SEL1 P_L_NOISE D191...
  • Page 15 OUTDOOR UNIT TRANSISTOR PCB K10CK-1000HUE-TR1 L801 15V-2 16.5V W902 L802 L805 BL02Rn1 L803 I C900 BL02Rn1 BL02Rn1 BL02Rn1 M81738 C908 R915 100/ D908 D906 H I N ZP1027 ZP1027 L I N <1/2W> D900 R990 - R994 C I N R926, R927 STTH112RL HPOUT...
  • Page 16 OUTDOOR UNIT FILTER PCB ( MAIN ) K07CH-0900HUE-FL0 H-0017-2 x 2 FH603 FH604 L601 W606 W603 SC-10-55JH L3 OUT L3 I N BLACK F602 SHV14 BLACK C604 15A - 400V 0.010 C601 C603 POWER SOURCE 0.22 VA601 470V ...
  • Page 17 OUTDOOR UNIT FILTER PCB ( INV. ) K07CF-0700HUE-FL0 POWER SOURCE 3Phase 380 - 415V 50Hz L501 TM515 TM516 L502 W506 RC3V4730-010PF07 RC3V4730-010PF07 W503 L3 OUT P503 L3 I N BLACK AC500VBL1030A 25A VA502 VA503 BLACK ( PROTECTOR ) 820V 820V ...
  • Page 18: Error Detection

    ERROR DETECTION Troubleshooting at a wired remote control When the error indication “E:EE” is displayed, it indicates an error has occurred. Unit number of INDOOR UNIT Error code SU MO TU WE TH FR SA Ex. Self-diagnosis Error code Error contents Wired remote controller error Indoor signal error Indoor room temperature sensor error...
  • Page 19 OUTDOOR UNIT LED ERROR lamp (LED102) POWER POWER/MODE lamp (LED101) ERROR MODE It will flash rapidly in the cace of an error. It lights up when power on. LED101 LED102 (GREEN) (RED) 7 Segment LED lamp (LED105 and LED104) LED105 LED104 Status of the unit will display.
  • Page 20: Parts (Indoor Unit)

    PARTS INDOOR UNIT Ref. Description Part number Ref. Description Part number Top Plate Sub Assy 9379733007 Drain Pan Sub Assy 9379917001 Panel Front Sub Assy (72) 9379734011 Safety Drain Pan Sub Assy 9379918008 Panel Front Sub Assy (90) 9379734004 Evaporator Total Assy (72) 9379739016 Panel rear Sub Assy (72) 9379736015...
  • Page 21 INDOOR UNIT Ref. Description Part number Panel fan Assy 9379453004 Motor Bracket Plate 9379566001 Motor Bracket 9379502009 Motor Bracket Angle 9379565004 Cushion Rubber 9379670005 Motor Plate 9379445009 Fan motor 9602931019 Cushion Rubber (Motor) 9379501002 Motor Cover 9379503006 Kit (Bell Mouth Sub Assy) 9371382012 Sirocco Fan L 9364665054...
  • Page 22 INDOOR UNIT Ref. Description Part number Control Box Assy 9379669009 Controller PCB Assy (72) 9708281018 Controller PCB Assy (90) 9708281025 Power Supply PCB Assy 9708279015 Filter PCB Assy 9708277011 Terminal 9900568009 Terminal 9900567002 Thermistor 9704265012 Reactor Assy 9900554019 Diode 0100122107 Capacitor 9705387010 Capacitor Bracket...
  • Page 23: Parts (Outdoor Unit)

    PARTS OUTDOOR UNIT Ref. Description Part number Ref. Description Part number Base S Assy 9378454040 Panel Bottom S 9380232018 Base Foot FS Assy 9378856011 Conduit Plate 9378493018 Base Foot RS Assy 9378856035 Main Piller 9378468009 Net Right Sub Assy 9378927001 Right Panel Sub Assy 9378920002 Net Left Sub Assy 9378928008...
  • Page 24 OUTDOOR UNIT Compressor box Ref. Description Part number Fan Motor 9602663002 Motor bracket Sub Assy 9378925007 Side Piller Sub Assy 9379202008 Rear Piller 9378472006 Rear Panel S Sub Assy 9378921016 Left Panel Sub Assy 9378919006 Beam Bracket 9378473003 Front Beam S Sub Assy 9378922013 Center Beam S Sub Assy 9378924017...
  • Page 25 OUTDOOR UNIT Ref. Description Part number Valve Plate 9378466005 3-way Valve Assy 9379039031 3-way Valve Assy 9379039048 Check Joint Assy 9372802038 Expansion Valve Assy 9378750036 4-way Valve Assy 9379052023 Joint Pipe Oil Separator B Assy 9378737051 Accumulator Sub Assy 9379221016 Oil Return Valve C Assy 9378747067 Bracket SP...
  • Page 26 OUTDOOR UNIT Ref. Description Part number Expansion Valve Coil 9970114007 Solenoid (4-way valve) 9970090011 Union Joint 9970091018 Sensor (Low pressure) 9900505035 Sensor (High pressure) 9900505028 Pressure Switch 9900504038 Oil Separator 9379677004 Compressor Sub Assy 9379228022 Oil Return Valve A Assy 9378745025 Solenoid 9900189204...
  • Page 27 OUTDOOR UNIT Control unit Ref. Description Part number Control Cover Sub Assy 9378930018 Protect Sheet 9379181020 Control Box Sub Assy 9378932012 Wire Plate Sub Assy 9378929029 Main PCB (72) 9708284019 Main PCB (90) 9708284026 Transistor PCB 9708737003 Filter Main PCB 9707753028 Filter Inverter PCB 9707754018...
  • Page 28: Accessories

    A C C ESSOR IES INDOOR UNIT OPTIONAL PARTS Exterior Parts name Model No. Summary Name and Shape Q’ty Application For suspending the Special nut A For dual remote Wired indoor unit from ceiling (Large flange) controls remote UTB-TUD control New amenity space Special nut B can be of fered by...
  • Page 29 1302G4196...

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Arhc90lhtaAoha72laltAoha90lalt

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