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Fujitsu ARYA45LCTU Service Manual

Split type r410a refrigerant.
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SPLIT TYPE
AIR CONDITIONER
DUCT TYPE (50Hz)
Indoor unit
Outdoor unit
ARYA45LCTU AOYA45LBTL
CONTENTS
. . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . 4
. . . . . . . . . . . . . . . . . . .5
. . . . . .
6
INDOOR PCB CIRCUIT DIAGRAM
. . . . 9
OUTDOOR PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . .
12
. . . . . . . . . . . . . . 16
. . . . . . . . . . . . 19
. . . . . . . . . . . . . . . . . . . . . 23

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   Summary of Contents for Fujitsu ARYA45LCTU

  • Page 1: Table Of Contents

    AIR CONDITIONER DUCT TYPE (50Hz) Indoor unit Outdoor unit ARYA45LCTU AOYA45LBTL CONTENTS ....1 SPECIFICATIONS ..... . . 2 DIMENSIONS .

  • Page 2: Specifications

    SPECIFICATIONS ELECTRICAL DATA COMPRESSOR AND REFRIGERANT Cooling & Heating TYPE Hermetic type, Inverter, 4 poles, 3 phase, TYPE INDOOR UNIT ARYA45LCTU DC motor, Twin Rotary OUTDOOR UNIT AOYA45LBTL DISCRIMINATION DA420A3F-21ZA COOLING CAPACITY 12.5 kW WEIGHT (with oil) 23.7 kg HEATING CAPACITY 14.0 kW...

  • Page 3: Dimensions

    DIMENSIONS INDOOR UNIT (Unit : mm) 1,177 1,015 1,135 2009.02.10...

  • Page 4

    OUTDOOR UNIT (Unit : mm) Air Flow 2009.02.10...

  • Page 5: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM OUTDOOR UNIT INDOOR UNIT Pressure Refrigerant Pipe Check Valve Strainer 15.88mm (5/8") High Pressure Charging Switch Valve 4-way Condenser Evaporator Valve Accumulator Compressor Refrigerant Pipe Strainer Strainer 9.52mm (3/8") Expansion Valve Charging Valve Refrigerant direction : Cool : Heat 2009.02.10...

  • Page 6: Circuit Diagram

    OUTDOOR THERMISTOR PIPE THERMISTOR BLACK BLUE COMPRESSOR THERMISTOR DISCHARGE THERMISTOR BROWN BROWN HEAT SINK THERMISTOR PIPE MID. THERMISTOR BLACK BLACK CIRCUIT DIAGRAM 1 2 1 2 HIGH PRESSURE SWITCH CN24 CN21 CN22 CN23 CN26 CN25 COMPRESSOR CN37 INDOOR UNIT R ( R ) W305 SOLENOID COIL BLACK...

  • Page 7

    PCB Circuit Diagrams not available at time of publication...

  • Page 8: Error Detection

    ER R OR D ETEC TION REMOTE CONTROL Troubleshooting at the remote control LCD This is possible only on the wired remote control. Self-diagnosis Error Error contents code If an error occurs, the following display will be shown. (“EE” will appear in the set room temperature display.) Indoor signal error Unit number Error code...

  • Page 9

    INDOOR UNIT (Option) Troubleshooting with the receiver unit display Error is displayed on the wired and Lamps show error contents by flashing as follows. wireless remote control. TIMER FILTER OPERATION Error contents Lamp Lamp Lamp 2 times 3 times Indoor signal error OPERATION 4 times Lamp (Green)

  • Page 10

    OUTDOOR UNIT Make a TEST RUN in accordance with the installation instruction sheet for the indoor unit. When a malfunction occurs in the outdoor unit, the LED on the circuit board lights to indicate the error. Refer to the following table for the description of each error according to the LED.

  • Page 11

    SPECIAL INSTALLATION SETTING PUMP DOWN (Refrigerant collecting operation) Perform the following procedures to collect the refrigerant when moving the indoor unit or outdoor unit 1. When the product is stopped: PUMP DOWN SW (SW2) Press the PUMP DOWN switch on the outdoor unit. (The LED on the outdoor unit circuit board starts flashing.) (1 sec.

  • Page 12: Parts (indoor Unit)

    PARTS INDOOR UNIT Insulation Control Box Insulation Insulation Ref. Description Part number Intake Cover Sub Assy 9374512010 Main Panel Sub Assy 9374511013 Drain Pan Sub Assy 9374513017 Drain Cap 9356541007 Evaporator Assy 9372585047 Outlet Panel Sub Assy 9374510016 Cabinet R Sub Assy 9374508020 Control Cover A Sub Assy 9374516018...

  • Page 13

    INDOOR UNIT Ref. Description Part number Casing B 9374234011 Sirocco Fan Assy 9356531046 Base Sub Assy 9374504015 Separate Wall Assy 9374228010 Casing A 9374233014 Bracket Motor Assy 9374230013 Motor Mount 9378002012 Fan Motor 9602466016 Bracket (Eva) R 9374207015 Bracket (Eva) L 9374208012 Panel (Control Box) 9374210015...

  • Page 14

    INDOOR UNIT Control unit Ref. Description Part number Controller PCB Assy 9707393477 Power Supply PCB Assy 9707398151 Cap (Power) 9352173011 One Touch Bush 9374407019 Terminal 3P 9703345012 Terminal 3P 9306489045 Reactor Assy 9707457018 Control Box A 9374219018 Control Cover B 9374222018 Control Box B 9374220014...

  • Page 15: Parts (outdoor Unit)

    PARTS OUTDOOR UNIT Ref. Description Parts number Top Panel Sub Assy 9374417025 Front Panel 9374094028 Fan Guard 9374330010 Grip Side 9374173013 Service Panel Sub Assy 9374415069 Right Panel Sub Assy 9374416141 Valve Cover 9374174010 Emblem Rear 9351355005 2009.02.10...

  • Page 16

    OUTDOOR UNIT Ref. Description Parts number Propeller Fan Assy 9366378020 Motor DC Brushless 9602843015 Condenser A Assy 9374433018 Condenser B Assy 9374434015 Separate Wall 9374629015 Cap Foot 9374345014 Base Assy 9374166046 Coil Choke 9703458019 2009.02.10...

  • Page 17

    OUTDOOR UNIT Ref. Description Parts number 3-Way Valve Assy 9377958013 3-Way Valve Assy 9377959010 Compressor Assy 9378035010 Accumulator Assy 9375250034 Solenoid 9900165055 Pressure Switch 9900186012 4-Way Valve 9970035029 Check Valve Assy 9374274017 Coil (Expansion Valve) 9900197025 Strainer Assy 9372524039 Expansion Valve Assy 9370947175 Compressor Cover A 9374430109...

  • Page 18

    Ref. Description Parts number OUTDOOR UNIT Inverter Box A 9374603015 Inverter Box B 9374625017 Inverter Box C 9374605026 Inverter Box Duct 9374609017 Inverter Box Cover 9374608010 Heat Sink B 9374607020 ACTPM 9707592016 Posistor 9704265012 Inverter PCB Assy 9708013183 Power PCB Assy 9705647022 Clamp (Cord) 9356857009...

  • Page 19: Accessories

    A C C ESSOR IES INDOOR UNIT Name and Shape Q'ty Application Part number Hanger For suspending the indoor unit from ceiling 9356563009 Special nut A 313005446653 (large flange) Special nut B 313005446759 (small flange) Coupler heat For indoor side pipe joint insulation (large pipe) 9378173569...

  • Page 20

    OPTIONAL PARTS Exterior Parts name Model No. Summary Square UTD-SF045T flang 1065 Unit : mm Round UTD-RF204 flang Unit : mm Long-life UTD-LF25NA filte Unit : mm New amen- ity space can be offered by Remote UTD-RS100 installing sensor the Remote sensor in the remote controller...

  • Page 21

    0902G3601...

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