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Fujitsu ABYA45LCT Service Manual

Split type air conditioner ceiling type (50hz).
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SPLIT TYPE
AIR CONDITIONER
CEILING TYPE (50Hz)
Indoor unit
Outdoor unit
ABYA45LCT AOYA45LBTL
CONTENTS
. . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . 4
. . . . . . . . . . . . . . . . . . .5
. . . . . .
6
INDOOR PCB CIRCUIT DIAGRAM
. . . .10
OUTDOOR PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . .
13
. . . . . . . . . . . . . . 17
. . . . . . . . . . . . 22
. . . . . . . . . . . . . . . . . . . . . 26

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   Summary of Contents for Fujitsu ABYA45LCT

  • Page 1: Table Of Contents

    AIR CONDITIONER CEILING TYPE (50Hz) Indoor unit Outdoor unit ABYA45LCT AOYA45LBTL CONTENTS ....1 SPECIFICATIONS ..... . . 2 DIMENSIONS .

  • Page 2: Specifications

    SPECIFICATIONS COMPRESSOR AND REFRIGERANT ELECTRICAL DATA Cooling & Heating Hermetic type, Inverter, TYPE 4 poles, 3 phase, TYPE INDOOR UNIT ABYA45LCT DC motor, Twin Rotary AOYA45LBTL OUTDOOR UNIT 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) 1,660 1,600 2098.02.10...

  • 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

    CIRCUIT DIAGRAM OUTDOOR UNIT INDOOR UNIT THERMISTOR ( OUTDOOR TEMP. ) THERMISTOR ( PIPE TEMP. ) BLACK BLUE THERMISTOR ( COMPRESSOR TEMP. ) THERMISTOR ( DISCHARGE TEMP. ) BROWN BROWN BLACK GRAY THERMISTOR ( PIPE TEMP. ) BLACK GRAY THERMISTOR ( HEAT SINK TEMP. ) THERMISTOR ( PIPE MID.

  • Page 7

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

  • Page 8: Error Detection

    ER R OR D ETEC TION INDOOR UNIT Lamps show error contents by flashing as follows. Troubleshooting with the indoor display TIMER FILTER OPERATION Error contents Error is displayed on the wired and Lamp Lamp Lamp wireless remote control. 2 times 3 times Indoor signal error FILTER Lamp (Red)

  • Page 9

    REMOTE CONTROL (option) Troubleshooting at the remote control LCD This is possible only on the wired remote control. Error Error contents Self-diagnosis 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 Wired remote controller abnormal...

  • Page 10

    OUTDOOR UNIT LED 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 Ref. Description Part number Kit (Base Sub Assy) 9371360010 Panel Left Sub Assy 9360427014 Kit (Panel Right Assy) 9371361017 Cover (Top) 9359737001 Intake Grille 9359738008 Air Filter 9359739005 Filter Guide R 9359692003 Filter Guide L 9359693000 Front Panel 9359734000 Indicator PCB Assy 9705891043...

  • Page 13

    INDOOR UNIT Drain pan, Flap Description Part number Ref. 2 Panel Left Sub Assy 9360427014 3 Kit (Panel Right Assy) 9371361017 21 Evaporator Assy 9372585078 22 Distributor Assy 9371325378 23 Coupling Pipe Assy 9373038405 24 Kit (Panel pipe L) Sub Assy 9371362014 25 Kit (Panel pipe R) Sub Assy 9371363011 26 Reinforcement Metal 9359697008...

  • Page 14

    INDOOR UNIT Louver Base Sub Assy Ref. Description Part number 41 Louver Base Sub Assy 9360432025 42 Louver 9359719007 43 Rod (Motor) 9359723004 44 Louver Link 9359726005 45 Louver Base 9359718000 46 Louver Spring 9359720003 47 Louver Stopper 9359724001 48 Louver Rod 9359725008 49 Step Motor H 9900297015...

  • Page 15

    INDOOR UNIT Fan motor Ref. Description Part number Motor Mount 9377999016 Fan Motor Assy 9602389018 Motor Band A assy 9374647019 Motor Band B 9374648023 Reinforcement Motor Band 9378000018 Rubber 9385102002 Casing 9359704003 Kit (Cover Casing) Sub Assy 9371367019 Sirocco Fan Assy 9359701002 Joint Assy 9378038011...

  • Page 16

    Ref. Description Part number Control Box Assy 9377912015 INDOOR UNIT Control Box A 9359712008 Control unit Control Box B 9359713005 Controller PCB Assy 9707393453 Power Supply PCB Assy 9707398168 Terminal 3P 9703345012 Terminal 3P 9306489045 Reactor Assy 9707457018 Rubber Bushing 9357376004 Cord Clamp A 9359820017...

  • Page 17: 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 18

    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 2009.02.02...

  • Page 19

    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 20

    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 21: Accessories

    ACCESSORIES INDOOR UNIT Name and Shape Q'ty Application Part number Drain hose Adhesive type 70 x 230 9360464002 insulation For fixing the drain hose VT wire 313806350303 L 280 mm Coupler heat For indoor side pipe joint insulator 9378173569 (large pipe) (large) Coupler heat For indoor side pipe joint...

  • Page 22

    OPTIONAL PARTS Exterior Parts name Model No. Summary Wired Unit control is performed remote UTB-YUD by wired remote control control Round duct UTD-RF204 For Ceiling type Drain pump UTR-DPB241 For Ceiling type unit 2009.02.25...

  • Page 23

    0902G3600...

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Aoya45lbtl

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