Fujitsu ARXG45KHTA Service Manual
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Fujitsu ARXG45KHTA Service Manual

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AIR CONDITIONER
Duct type
INDOOR
OUTDOOR
SERVICE MANUAL
ARXG45KHTA
ARXG54KHTA
AOYG45KRTA
AOYG54KRTA
SR_AR015EF_01
2019.10.01

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Summary of Contents for Fujitsu ARXG45KHTA

  • Page 1 AIR CONDITIONER Duct type SERVICE MANUAL INDOOR ARXG45KHTA ARXG54KHTA OUTDOOR AOYG45KRTA AOYG54KRTA SR_AR015EF_01 2019.10.01...
  • Page 2 • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. Trademarks ™ FGLair is trademark of Fujitsu General Limited in the United States, other countries or both. ™ Google Play is trademark of Google Inc. ®...
  • Page 3 CONTENTS 1. GENERAL INFORMATION 2. TECHNICAL DATA AND PARTS LIST...
  • Page 5 1. GENERAL INFORMATION 2019.10.01 SR_CH01_AR015EF_01...

  • Page 6: Table Of Contents

    CONTENTS 1. GENERAL INFORMATION 1. Specifications....................01-1 1-1. Indoor unit ........................01-1 1-2. Outdoor unit........................01-2 2. Dimensions....................01-3 2-1. Indoor unit ........................01-3 2-2. Outdoor unit........................01-5...

  • Page 7: Specifications

    1. Specifications 1-1. Indoor unit Duct Type Inverter heat pump Model name ARXG45KHTA ARXG54KHTA Power supply 3N 400 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 342—457 V 12.1 13.4 Rated Btu/h 41,300 45,700 Cooling 4.0—14.0 5.0—14.5...

  • Page 8: Outdoor Unit

    1-2. Outdoor unit Type Inverter heat pump Model name AOYG45KRTA AOYG54KRTA Power supply 3N 400 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 342—457 V Starting current Cooling 4,450 Airflow rate Heating 4,450 Type × Q'ty Propeller ×...

  • Page 9: Dimensions

    2. Dimensions 2-1. Indoor unit ¢ Models: ARXG45KHTA and ARXG54KHTA Unit: mm Rear view 1,080 1,000 Drain port 12-Φ3 P120 × 2 = 240 Side view (R) P5 × 120 = 600 Side view (L) 1,050 Top view Front view - (01-3) - 2-1.
  • Page 10 ¢ Installation space requirement Provide sufficient installation space for product safety.  Models: ARXG45KHTA and ARXG54KHTA Installation by which service space is mode on top of the unit (recommended). Unit: mm 350 or more 450 or more (Service space) Service access Installation by which service space is carried out from the bottom of the unit.

  • Page 11: Outdoor Unit

    2-2. Outdoor unit ¢ Models: AOYG45KRTA and AOYG54KRTA Unit: mm 35.7 Top view 3 Way valve (Liquid) 3 Way valve (Gas) 129.1 Pipe port Ф28 Ф28 85.3 Cable port Ф28: Cable port Pipe port Cable port Pipe port Pipe port Pipe port Front view Side view...
  • Page 12 2. TECHNICAL DATA AND PARTS LIST 2019.10.01 SR_CH02_AR015EF_01...
  • Page 13 CONTENTS 2. TECHNICAL DATA AND PARTS LIST 1. Precautions....................02-1 2. Indoor unit parts list..................02-2 2-1. Models: ARXG45KHTA and ARXG54KHTA..............02-2 3. Outdoor unit parts list.................02-4 3-1. Models: AOYG45KRTA and AOYG54KRTA ..............02-4 4. Accessories ....................02-8 4-1. Indoor unit ........................02-8 4-2. Outdoor unit........................02-8 5.

  • Page 15: Precautions

    • Service parts information and design are subject to change without notice for product improve- ment. • For the latest information of the service parts, refer to our Service Portal. https://fujitsu-general.force.com/portal/ • Precise figure of the service parts listed in this manual may differ from the actual service parts. - (02-1) -...

  • Page 16: Indoor Unit Parts List

    2. Indoor unit parts list 2-1. Models: ARXG45KHTA and ARXG54KHTA ¢ Casing and fan Ref. Description Parts number Plate Top Sub Assy 9372576014 Kit (Panel Front Sub Assy) 9372637029 Panel Fan Assy 9372035009 Motor, Induct 9602802012 Casing A 9372057018 Casing B...
  • Page 17 Parts number Power Supply PCB 9705668119 Main PCB (45) 9705246355 Main PCB (54) 9705246348 Transformer (Power) 9704129017 Terminal 3P 9703345012 Terminal 3P 9306489045 Relay 9900294014 Capacitor, Plastic 9900269111 - (02-3) - 2-1. Models: ARXG45KHTA and ARXG54KHTA 2. Indoor unit parts list...

  • Page 18: Outdoor Unit Parts List

    3. Outdoor unit parts list 3-1. Models: AOYG45KRTA and AOYG54KRTA ¢ Exterior parts and chassis - (02-4) - 3-1. Models: AOYG45KRTA and AOYG54KRTA 3. Outdoor unit parts list...
  • Page 19 Item no. Part no. Part name Service part 9383880001 Top panel assy ♦ 9381013005 Protective net ♦ 9375361013 Net rubber ♦ 9900984038 Thermistor (Heat exchanger) ♦ 9900727154 Thermistor assy ♦ 9383607004 Thermo holder ♦ 9383874017 Right panel sub assy ♦ 9383879005 Rear pipe cover ♦...
  • Page 20 ¢ Compressor - (02-6) - 3-1. Models: AOYG45KRTA and AOYG54KRTA 3. Outdoor unit parts list...
  • Page 21 Item no. Part no. Part name Service part 9383858017 Sound insulation unit ♦ 9900565091 Thermistor (Outdoor temp.) ♦ 9900186029 Pressure switch ♦ 9374425624 4-way valve assy ♦ 9970194016 Solenoid ♦ 9970158018 Sensor ♦ 9375250133 Accumulator assy ♦ 9970209000 Expansion valve coil ♦...

  • Page 22: Accessories

    4. Accessories 4-1. Indoor unit ¢ Models: ARXG45KHTA and ARXG54KHTA Part name Exterior Q’ty Part name Exterior Q’ty Coupler heat insulation Operating manual (small) Operating manual Special nut A (CD-ROM) (large flange) Special nut B Installation manual (small flange) Coupler heat insulation (large) 4-2.

  • Page 23: Optional Parts

    5. Optional parts 5-1. Indoor unit ¢ Controllers Exterior Part name Model name Summary Large and full-dot liquid crystal screen, wide and large keys easy to press, Wired remote user-intuitive arrow key. UTY-RVNYM controller Wire type: Polar 3-wire Room temperature can be controlled by detecting the temperature Wired remote accurately with built-in thermo sensor.

  • Page 24: Outdoor Unit

    Exterior Part name Model name Summary Remotely manage an air conditioning Wireless LAN UTY-TFNXZ1 system using mobile devices such as adapter smartphones and tablets. 5-2. Outdoor unit Exterior Part name Model name Summary Use to operate the external input and External UTY-XWZXZ3 output functions of outdoor unit.

  • Page 25: Refrigerant System Diagrams

    6. Refrigerant system diagrams 6-1. Models: AOYG45KRTA and AOYG54KRTA Heat exchanger 3-Way 3-Way ( INDOOR ) valve valve Pressure switch Pressure sensor 4-Way valve Strainer Expansion valve Heat exchanger Strainer ( OUTDOOR ) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat Exchanger Out temperature)

  • Page 26: Pc Board Diagrams

    7. PC board diagrams 7-1. Models: ARXG45KHTA and ARXG54KHTA MAIN PCB 45 model: K03BZ-1801HSE-C1 54 model: K03BZ-1800HSE-C1 CN104 CN105 R15 - R17 B02B-XARK-1-A B04B-PASK-1 5V 12V 14V DC SUPPLY 10k <1/10W> x 3 WHITE JM103 UL1430 AWG22 UL1430 AWG26 GRAY...

  • Page 27: Models: Aoyg45Krta And Aoyg54Krta

    7-2. Models: AOYG45KRTA and AOYG54KRTA INVERTER ASSEMBLY 36 model: EZ-0190HUE 45 model: EZ-0193HUE 54 model: EZ-0191HUE DC340V UL1015 AWG20 GREEN UL1430 AWG22 DC FAN MOTOR 1 DC15V-2 TERMINAL EMI FILTER UL1430 AWG22 EMI FILTER F102 BLACK BLACK GRFC-8 P650 GRFC-8 UL1430 AWG22 WHITE WHITE...

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