Fuji Electric RCG18KRLB Service Manual
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Fuji Electric RCG18KRLB Service Manual

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AIR CONDITIONER
Cassette type
INDOOR
OUTDOOR
SERVICE MANUAL
RCG18KRLB
RCG22KRLB
ROG18KATA
ROG22KATA
SR_AU012EJ_02
2019.10.01

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Summary of Contents for Fuji Electric RCG18KRLB

  • Page 1 AIR CONDITIONER Cassette type SERVICE MANUAL INDOOR RCG18KRLB RCG22KRLB OUTDOOR ROG18KATA ROG22KATA SR_AU012EJ_02 2019.10.01...
  • Page 2 Notices: • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. Trademarks The following term and logo are trademarks of Fujitsu General Limited in the United States, other countries or both: ™...
  • Page 3 CONTENTS 1. GENERAL INFORMATION 2. TECHNICAL DATA AND PARTS LIST...
  • Page 5 1. GENERAL INFORMATION 2019.10.01 SR_CH01_AU012EJ_02...

  • Page 6: Table Of Contents

    CONTENTS 1. GENERAL INFORMATION 1. Specifications....................01-1 1-1. Indoor unit ........................01-1 1-2. Outdoor unit........................01-3 2. Dimensions....................01-4 2-1. Indoor unit ........................01-4 2-2. Outdoor unit........................01-7...

  • Page 7: Specifications

    1. Specifications 1-1. Indoor unit Cassette Type Inverter heat pump Model name RCG18KRLB RCG22KRLB Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 17,700 20,500 Cooling 0.90—5.40 0.90—6.30 Min.—Max. Btu/h 3,100—18,400...
  • Page 8 Specifications for ErP Lot10 Model name RCG18KRLB RCG22KRLB Cooling Energy efficiency class Heating (Average) Cooling 5.2 (35°C) 6.0 (35°C) Pdesign Heating (Average) 3.8 (-10°C) 4.4 (-10°C) SEER Cooling 6.20 6.20 kWh/kWh SCOP Heating (Average) 4.10 4.10 Annual energy consumption kWh/a...

  • Page 9: Outdoor Unit

    1-2. Outdoor unit Type Inverter heat pump Model name ROG18KATA ROG22KATA Power supply 230 V ~ 50 Hz Available voltage range 198—264 V Starting current Cooling 1,710 2,240 Airflow rate Heating 1,840 2,240 Type × Q'ty Propeller fan × 1 Motor output Cooling Sound pressure level *1...

  • Page 10: Dimensions

    2. Dimensions 2-1. Indoor unit ¢ Models: RCG18KRLB and RCG22KRLB Unit: mm Hanging bolt position Drain hose View A Ceiling Wire hole Fresh air inlet (cut out) Ø95 View B View C 4 × Ø3.2 hole - (01-4) - 2-1. Indoor unit...
  • Page 11 ¢ Installation space requirement Provide sufficient installation space for product safety. For 4-direction setting: Unit: mm Strong and durable ceiling 256 or more 1,500 3,000 or more or more Ceiling height Ceiling mode* “Low” : 2.7 m or less Ceiling mode “Standard” : up to 3.0 m Obstruction Ceiling mode “High”...
  • Page 12 Human sensor (Option) Top view Drain Refrigerant pipe pipe Human sensor Example of sensitivity range: When the installation height gets higher, the temperature sensitivity decreases. Unit: mm 3,200 8,800 Ceiling height 3,200 mm Equal sensitivity range of temperature Detecting position 800 mm from floor surface CAUTION Do not place large objects near the human sensor.

  • Page 13: Outdoor Unit

    2-2. Outdoor unit ¢ ROG18KATA Unit: mm 4-M10 hole Pitch of bolts for installation Top view Side view Front view Side view Airflow Drain port Ø42 Bottom view Side view (Valve part) - (01-7) - 2-2. Outdoor unit 2. Dimensions...
  • Page 14 ¢ Model: ROG22KATA Unit: mm 4-M10 hole Pitch of bolts for installation Top view Side view Front view Side view Airflow Drain port Ø42 Bottom view Side view (Valve part) - (01-8) - 2-2. Outdoor unit 2. Dimensions...
  • Page 15 2. TECHNICAL DATA AND PARTS LIST 2019.10.01 SR_CH02_AU012EJ_02...
  • Page 16 CONTENTS 2. TECHNICAL DATA AND PARTS LIST 1. Precautions....................02-1 2. Indoor unit parts list..................02-2 2-1. Models: RCG18KRLB and RCG22KRLB ...............02-2 3. Outdoor unit parts list.................02-6 3-1. Model: ROG18KATA ......................02-6 3-2. Model: ROG22KATA ....................02-10 4. Accessories ....................02-14 4-1. Indoor unit ........................02-14 4-2.

  • Page 17: Precautions

    1. Precautions When you start servicing, pay attention to the following points. For detailed precautions, refer to the installation manual of the products. CAUTION • Service personnel – Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorizes their competence to handle refrigerants safely in accordance with an industry recognized as- sessment specification.

  • Page 18: Indoor Unit Parts List

    2. Indoor unit parts list 2-1. Models: RCG18KRLB and RCG22KRLB Hook B Description Part number Ref. Hook A Cable guide 9381376001 Room thermistor Holder 9381348008 Hook A Room thermistor 9900822002 Pipe Thermistor 9900942014 Main PCB (AUXG18KRLB) 9710995835 Main PCB (AUXG22KRLB)
  • Page 19 Part number Bellmouth 9381484003 Turbo fan assy 9381303007 Turbo Fan Washer 9378394018 9356998009 Brushless motor 9603443009 Special Nut 9378388017 Motor Wire Holder 9381351008 Drain pan sub assy 9381789009 - (02-3) - 2-1. Models: RCG18KRLB and RCG22KRLB 2. Indoor unit parts list...
  • Page 20 Vane L 9381745012 Vane R 9381744008 Drain Pump Sub Assy 9381793006 Drain Port Sub Assy 9381788002 Drain Hose 9379665001 Hose Band 9379757010 Float Switch Sub Assy 9381794003 - (02-4) - 2-1. Models: RCG18KRLB and RCG22KRLB 2. Indoor unit parts list...
  • Page 21 Ref. Description Part number Top plate assy Insulation Box Sub Assy 9381787012 Evaporator holder Evaporator Total Assy 9378580480 Wind Guide Board 9382125004 Cabinet A L Pipe cover - (02-5) - 2-1. Models: RCG18KRLB and RCG22KRLB 2. Indoor unit parts list...

  • Page 22: Outdoor Unit Parts List

    3. Outdoor unit parts list 3-1. Model: ROG18KATA ¢ Exterior parts and Chassis - (02-6) - 3-1. Model: ROG18KATA 3. Outdoor unit parts list...
  • Page 23 Item no. Part no. Part name Service part 9322556028 Top panel assy ♦ 9322811011 Protective net ♦ 9322552020 Cabinet right assy ♦ 9322570000 Switch cover assy ♦ 9900435028 Terminal ♦ 9710924422 Main PCB ♦ 9900727062 Thermistor assy ♦ 9900565060 Thermistor (Outdoor temp.) ♦...
  • Page 24 ¢ Compressor - (02-8) - 3-1. Model: ROG18KATA 3. Outdoor unit parts list...
  • Page 25 Item no. Part no. Part name Service part 9322429001 Compressor assy ♦ 9322444011 4-way valve assy ♦ 9970110160 Solenoid ♦ 9970173028 Expansion valve coil ♦ 9322463029 Pulse motor valve assy ♦ 9322474001 2-way valve assy ♦ 9387831016 3-way valve assy ♦...

  • Page 26: Model: Rog22Kata

    3-2. Model: ROG22KATA ¢ Exterior parts and Chassis - (02-10) - 3-2. Model: ROG22KATA 3. Outdoor unit parts list...
  • Page 27 Item no. Part no. Part name Service part 9322556028 Top panel assy ♦ 9322811028 Protective net assy ♦ 9322552099 Cabinet right assy ♦ 9322570024 Switch cover assy ♦ 9322314024 Base assy ♦ 9322144003 Drain pipe ♦ 9900435028 Terminal ♦ 9710802331 Main PCB ♦...
  • Page 28 ¢ Compressor - (02-12) - 3-2. Model: ROG22KATA 3. Outdoor unit parts list...
  • Page 29 Item no. Part no. Part name Service part 9810523006 Compressor ♦ 9322783028 4-way valve assy ♦ 9970110160 Solenoid ♦ 9970173028 Expansion valve coil ♦ 9322463029 Pulse motor valve assy ♦ 9322474001 2-way valve assy ♦ 9387831016 3-way valve assy ♦ 9322501004 S-insulator H ♦...

  • Page 30: Accessories

    4. Accessories 4-1. Indoor unit ¢ Models: RCG18KRLB and RCG22KRLB Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Insulation Operating manual Drain hose (CD-ROM) Installation manual Hose band Drain hose heat Template (Carton top) insulation Washer Cable tie (large)

  • Page 31: Optional Parts

    5. Optional parts 5-1. Indoor unit ¢ Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD Wired remote panel. Backlit LCD enables easy UTY-RNRXZ* controller operation in a dark room. Wire type: Non-polar 2-wire High visibility and easy operation. Room temperature can be accurately Wired remote controlled using the built-in thermo...
  • Page 32 Exterior Part name Model name Summary IR receiver kit with wireless Unit control is performed by wireless UTY-LBTXC1 remote remote controller. controller NOTE: Available functions may differ by the remote controller. For details, refer to the operation manual. ¢ Cassette grille Exterior Part name Model name...
  • Page 33 ¢ Others Exterior Part name Model name Summary Human sensor UTY-SHZXC For circular flow cassette type. Use to connect with various peripheral External devices and air conditioner PCB. UTY-XWZXZG connect kit For control output port. Air outlet shutter Installed at the air outlet when 3- UTR-YDZK plate directions mode is performed.
  • Page 34 Exterior Part name Model name Summary Remotely manage an air conditioning system using mobile devices such as Wireless LAN UTY-TFSXZ1 smartphones and tablets. adapter For connection indoor unit with UART interface. For connection between indoor unit Modbus UTY-VMSX with UART interface and a Modbus converter open network.

  • Page 35: Refrigerant System Diagrams

    6. Refrigerant system diagrams 6-1. Model: ROG18KATA Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler 4-way valve Strainer Expansion valve Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Room temperature) : Thermistor (Pipe temperature)

  • Page 36: Model: Rog22Kata

    6-2. Model: ROG22KATA Heat exchanger 3-way (INDOOR) valve 2-way valve Muffler Muffler Strainer 4-way valve Expansion valve Accumulator Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Room temperature) : Thermistor (Pipe temperature) - (02-20) -...

  • Page 37: Wiring Diagrams

    7. Wiring diagrams 7-1. Indoor unit ¢ Models: RCG18KRLB and RCG22KRLB - (02-21) - 7-1. Indoor unit 7. Wiring diagrams...

  • Page 38: Outdoor Unit

    7-2. Outdoor unit ¢ Model: ROG18KATA - (02-22) - 7-2. Outdoor unit 7. Wiring diagrams...
  • Page 39 ¢ Model: ROG22KATA - (02-23) - 7-2. Outdoor unit 7. Wiring diagrams...

  • Page 40: Pc Board Diagrams

    8. PC board diagrams 8-1. Models: RCG18KRLB and RCG22KRLB CONTROL UNIT AUXG18KRLB : EZ-01822HSE AUXG22KRLB : EZ-0181DHSE Thermistor Characteristics. EMI FILTER ZCAT1518-0730 Temperature TERMINAL ( 20 ( 30 2 TURNS Thermistor CN14-1 CN14 REMOTE THERMISTOR ( ROOM TEMP. ) 33.62 k 12.55 k...

  • Page 41: Model: Rog18Kata

    8-2. Model: ROG18KATA INVERTER ASSEMBLY EZ-019DHUE EMI FILTER TR-28-16-13 3 TURNS REACTOR Compressor UL3271 AWG16 COMPRESSOR 15mH 10A W400 Winding Resistance DC Resistance 323.23 m UL3271 AWG16 W401 WHITE WHITE 1.975 EMI FILTER EMI FILTER UL3271 AWG16 TO INDOOR UNIT GRFC-8 GRFC-8 W402...

  • Page 42: Model: Rog22Kata

    8-3. Model: ROG22KATA INVERTER ASSEMBLY EZ-019EHUE EMI FILTER KRFC-13 EMI FILTER EMI FILTER 2 TURNS KRFC-13 KRFC-13 TO INDOOR UNIT UL3271 AWG16 2 TURNS 1 TURN W400 UL1015 AWG20 UL3271 AWG16 W103 BLACK W401 WHITE WHITE COMPRESSOR UL3271 AWG16 Compressor UL1015 AWG20 W402 BLACK...

This manual is also suitable for:

Rcg22krlbRog18kataRog22kata

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