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Fujitsu ASY18FBAJ Service Manual

Wall mounted type
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SPLIT TYPE

ROOM AIR CONDITIONER

WA L L M O U N T E D
Models
Indoor unit
Outdoor unit
ASY18FBAJ
AOY18FNAK
ASY18FBBJ
AOY18FNBK
ASY18UBAJ
AOY18UNAKL
ASY18UBBJ
AOY18UNBKL
ASY24FBBJ
AOY24FNBK
ASY24UBBJ
AOY24UNBKL
( made in Thailand )
ASY18FBBN
AOY18FNBN
ASY18UBBN
AOY18UNBNL
ASY24FBBN
AOY24FNBN
ASY24UBBN
AOY24UNBNL
( made in China )
CONTENTS
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Summary of Contents for Fujitsu ASY18FBAJ

  • Page 1: Table Of Contents

    SPLIT TYPE ROOM AIR CONDITIONER WA L L M O U N T E D t y pe Models Indoor unit Outdoor unit ASY18FBAJ AOY18FNAK ASY18FBBJ AOY18FNBK ASY18UBAJ AOY18UNAKL ASY18UBBJ AOY18UNBKL ASY24FBBJ AOY24FNBK ASY24UBBJ AOY24UNBKL ( made in Thailand )

  • Page 2: Specifications

    SPECIFICATIONS TYPE Cooling only ASY18FBBJ ASY24FBBJ INDOOR UNIT ASY18FBAJ ASY18FBBN ASY24FBBN AOY18FNBK AOY24FNBK AOY18FNAK OUTDOOR UNIT AOY18FNBN AOY24FNBN COOLING CAPACITY 5.40 kW 5.40 kW 6.80 kW ELECTRICAL DATA 230 V POWER SOURCE 50 Hz FREQUENCY 8.5 A RUNNING CURRENT 7.3 A 10.6 A...
  • Page 3 TYPE Cool and Heat ASY18UBBJ ASY24UBBJ INDOOR UNIT ASY18UBAJ ASY18UBBN ASY24UBBN AOY18UNBKL AOY24UNBKL AOY18UNAKL OUTDOOR UNIT AOY18UNBNL AOY24UNBNL 5.40 kW 5.40 kW 6.80 kW COOLING CAPACITY 7.40 kW HEATING CAPACITY 5.70 kW 5.70 kW ELECTRICAL DATA POWER SOURCE 230 V FREQUENCY 50 Hz RUNNING CURRENT (Cool)

  • Page 4: Outline And Dimensions

    OUTLINE AND DIMENSIONS Unit : mm INDOOR UNIT 1,120 OUTDOOR UNIT Air flow Bottom 2005.01.17...

  • Page 5: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM Models : ASY18FBAJ / AOY18FNAK ASY18FBBJ / AOY18FNBK ASY18FBBN / AOY18FNBN INDOOR UNIT OUTDOOR UNIT Refrigerant pipe 6.35 mm (1/4") Capillary tube Strainer Condenser Evaporator Refrigerant pipe 15.88 mm (5/8") Charging valve Compressor Models : ASY24FBBJ / AOY24FNBK...
  • Page 6 Models : ASY18UBAJ / AOY18UNAKL ASY18UBBJ / AOY18UNBKL ASY18UBBN / AOY18UNBNL INDOOR UNIT OUTDOOR UNIT Capillary tube Strainer Refrigerant pipe 6.35mm(1/4") Compressor Evaporator Condenser Refrigerant pipe 15.88mm(5/8") 4-Way valve Charging valve Models : ASY24UBBJ / AOY24UNBKL ASY24UBBN / AOY24UNBNL INDOOR UNIT OUTDOOR UNIT Capillary Strainer...

  • Page 7: Circuit Diagram

    CIRCUIT DIAGRAM Controller PCB Models GRAY Thermistor (Pipe temp.) GRAY ASY18FBAJ / AOY18FNAK ASY18FBBJ / AOY18FNBK BLACK Thermistor (Room temp.) BLACK ASY18FBBN / AOY18FNBN GREEN/ ASY24FBBJ / AOY24FNBK YELLOW Motor GRAY ASY24FBBN / AOY24FNBN GRAY Step Motor (Right / Left)
  • Page 8 GRAY THERMISTOR GRAY (PIPE TEMP.) BLACK THERMISTOR BLACK (ROOM TEMP.) GREEN/ YELLOW MOTOR GRAY GRAY STEP GRAY MOTOR GRAY (RIGHT/ LEFT) PINK Models : ASY18UBAJ / AOY18UNAKL GRAY GRAY GRAY GRAY STEP GRAY MOTOR GRAY GRAY (UP/DOWN) GRAY GRAY GRAY GRAY GRAY GRAY...
  • Page 9 Controller PCB GRAY Thermistor (Pipe temp.) GRAY BLACK Thermistor (Room temp.) BLACK Models : GREEN/ ASY18UBBJ / AOY18UNBKL YELLOW Motor GRAY ASY18UBBN / AOY18UNBNL GRAY ASY24UBBJ / AOY24UNBKL GRAY Step Motor (Right / Left) GRAY ASY24UBBN / AOY24UNBNL PINK GRAY GRAY GRAY GRAY...

  • Page 10: Pcb Circuit Diagram

    INDOOR PCB CIRCUIT DIAGRAM CONTROLLER PCB ASSEMBLY ASY18FBAJ : K05EF-050FWSE-C1 ASY18FBBJ : K05EF-050DWSE-C1 ASY24FBBJ : K05EF-050GWSE-C1 ASY18FBBN : K01CL-0401WSE-C1 ASY24FBBN : K02CR-0401WSE-C1 CN3 B3B-XASK-1-A THRMAL FUSE UL1430 INDICATOR PCB GRAY SW201 10K x 2 AWG26 EVQ-PAG-04K EZ-0018HSE-D <1/10W> R41 1.0K <1/10W>...
  • Page 11 CONTROLLER PCB ASSEMBLY ASY18UBAJ : K05EF-050AHSE-C1 ASY18UBBJ : K05EF-0508HSE-C1 ASY24UBBJ : K05EF-050BHSE-C1 ASY18UBBN : K01CL-0400HSE-C1 ASY24UBBN : K02CR-0400HSE-C1 CN3 B3B-XASK-1-A THERMAL FUSE UL1430 INDICATOR PCB GRAY SW201 10K x 2 AWG26 EVQ-PAG-04K EZ-0018HSE-D <1/10W> R41 1.0K <1/10W> GRAY 201-8 GRAY D2SB20 7805 R42 47...

  • Page 12: Error Display

    ERROR DISPLAY The OPERATION, TIMER and SWING lamps operate as follows according to the error contents. Fast flashing Slow flashing Error display Error contents OPERATION TIMER SWING (RED) (GREEN) (ORANGE) Indoor unit circuit board error Indoor unit room temperature sensor wire 2 times opened Indoor unit room temperature sensor wire...

  • Page 13: Disassembly Illustration (Indoor Unit)

    DISASSEMBLY ILLUSTRATION INDOOR UNIT 2010.10.25...
  • Page 14 INDOOR UNIT Louver 2007.02.01...
  • Page 15 INDOOR UNIT Step motor 2005.01.17...

  • Page 16: Disassembly Illustration (Outdoor Unit)

    OUTDOOR UNIT 2005.01.17...
  • Page 17 OUTDOOR UNIT AOY18FNAK AOY18FNBK AOY18FNBN AOY18UNBKL AOY18UNBNL AOY24FNBK AOY24FNBN OUTDOOR UNIT AOY24UNBKL AOY18UNAKL AOY24UNBNL 2005.01.17...
  • Page 18 OUTDOOR UNIT 218-3 823-2 AOY18FNAK AOY18FNBK 824-4 AOY18FNBN AOY24FNBK AOY24FNBN 989-1 989-2 218-4 OUTDOOR UNIT AOY18UNAKL 218-3 823-2 824-4 815-3 989-1 989-2 OUTDOOR UNIT 218-3 AOY18UNBKL 823-2 AOY18UNBNL 824-4 AOY24UNBKL 815-3 AOY24UNBNL 989-1 989-2 2005.01.17...
  • Page 19 OUTDOOR UNIT AOY18FNAK 47-1 58-1 178-2 348-1 OUTDOOR UNIT AOY18FNBK AOY18FNBN 58-1 47-1 348-1 2005.01.17...
  • Page 20 OUTDOOR UNIT AOY18UNAKL AOY18UNBKL AOY18UNBNL 58-1 20-1 772-1 772-4 772-3 178-2 178-2 178-2 772-2 20-2 826-1 OUTDOOR UNIT AOY24FNBK AOY24FNBN 47-1 58-1 178-2 348-1 2005.01.17...
  • Page 21 OUTDOOR UNIT AOY24UNBKL AOY24UNBNL 58-2 58-1 58-3 772-1 178-2 20-1 20-2 772-2 178-2 826-1 2005.01.17...

  • Page 22: Parts List (Indoor Unit)

    PARTS LIST INDOOR UNIT Part number Ref. Description ASY18FBAJ ASY18FBBJ ASY24FBBJ ASY18FBBN ASY24FBBN Intake Grill F 9368541019 9368541019 9368541019 9368541019 9368541019 Decoration Plate F 9368757014 9368757014 9368757014 9368757014 9368757014 Air Filter 9373613015 9373613015 9373613015 9373613022 9373613022 Front Panel 9368540012 9368540012...
  • Page 23 INDOOR UNIT Part number Ref. Description ASY18FBAJ ASY18FBBJ ASY24FBBJ ASY18FBBN ASY24FBBN Wall Hook Bracket 9368579005 9368579005 9368579005 9368579005 9368579005 Earth Plate 9368580001 9368580001 9368580001 9368580001 9368580001 Louver Link 9368562007 9368562007 9368562007 9368562007 9368562007 Louver Spring 9368613006 9368613006 9368613006 9368613006 9368613006...
  • Page 24 INDOOR UNIT Part number Ref. Description ASY18UBAJ ASY18UBBJ ASY24UBBJ ASY18UBBN ASY24UBBN Intake Grill F 9368541019 9368541019 9368541019 9368541019 9368541019 Decoration Plate F 9368757014 9368757014 9368757014 9368757014 9368757014 Air Filter 9373613015 9373613015 9373613015 9373613022 9373613022 Front Panel 9368540012 9368540012 9368540012 9368540012 9368540012 Screw Cover 9368576011...
  • Page 25 INDOOR UNIT Part number Ref. Description ASY18UBAJ ASY18UBBJ ASY24UBBJ ASY18UBBN ASY24UBBN Wall Hook Bracket 9368579005 9368579005 9368579005 9368579005 9368579005 Earth Plate 9368580001 9368580001 9368580001 9368580001 9368580001 Louver Link 9368562007 9368562007 9368562007 9368562007 9368562007 Louver Spring 9368613006 9368613006 9368613006 9368613006 9368613006 Kit (Pipe Holder) 9371168012 9371168012...

  • Page 26: Parts List (Outdoor Unit)

    OUTDOOR UNIT Part No. Ref. Ord. Description Q'ty AOY18FNBK AOY24FNBK AOY18FNAK AOY18FNBN AOY24FNBN Fan Guard 9371187013 9371187013 9371187013 Emblem-Rear 9351355005 9351355005 9351355005 Front Panel Ptd 9371924014 9371924014 9371924014 Connector Cover (Cabinet) 9366398004 9366398004 9366398004 Wire Assy (Comp) 9372334010 9372334010 9372334010 Side Panel R Ptd 9371927015 9371927015...
  • Page 27 OUTDOOR UNIT Part No. Ref. Ord. Description Q'ty AOY18UNBKL AOY24UNBKL AOY18UNAKL AOY18UNBNL AOY24UNBNL Fan Guard 9371187013 9371187013 9371187013 Emblem-Rear 9351355005 9351355005 9351355005 Front Panel Ptd 9371924014 9371924014 9371924014 Connector Cover (Cabinet) 9366398004 9366398004 9366398004 Wire Assy (Comp) 9372334010 9372334010 9372334010 Side Panel R Ptd 9371927015 9371927015...

  • Page 28: Standard Accessories

    STANDARD ACCESSORIES INDOOR UNIT Name and Shape Part No. Wall hook bracket 9368579005 Remote control unit 9371190013 (AR-JW1) (Heat & Cool model) 9371190020 (AR-JW2) (Cooling only model) Battery (penlight) 0600185534 Remote control unit holder 9305642014 Tapping screw (big) ( 4 x 20) 301141164200 Tapping screw (small) ( 3 x 12)
  • Page 29 0311G2414...

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