Fujitsu ABYF18LAT Service Manual

Fujitsu ABYF18LAT Service Manual

Floor console / under ceiling dual type

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CONTENTS
. . . . . . . . . . . . . . . . . . .1
. . . . . . . . . . . . . . . . . 6
PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 20
. . . . . . . . . . . . . . . 30
. . . . . . . . . . . . . . . . . . . 33
. . . . . . . . . 2
. . . 5
. . . . . . . . . . . . .
7
17
SPLIT TYPE
ROOM AIR CONDITIONER
FLOOR CONSOLE /
UNDER CEILING
DUAL TYPE
Indoor unit
Outdoor unit
ABYF18LAT
AOYA18LACL
ABYF18LAT
AOYA18LALL
ABYF18LAT
AOYB18LACL
ABYF18LAT
AOYB18LALL
ABYF18LBT
AOYA18LALL
ABYF18LBT
AOYB18LALL
ABYF24LAT
AOYA24LACL
ABYF24LAT
AOYA24LALL
ABYF24LAT
AOYB24LACL
ABYF24LAT
AOYB24LALL
ABYF24LBT
AOYA24LALL
ABYF24LBT
AOYB24LALL

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Table of Contents
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Summary of Contents for Fujitsu ABYF18LAT

  • Page 1: Table Of Contents

    SPLIT TYPE ROOM AIR CONDITIONER FLOOR CONSOLE / UNDER CEILING DUAL TYPE Indoor unit Outdoor unit ABYF18LAT AOYA18LACL ABYF18LAT AOYA18LALL ABYF18LAT AOYB18LACL ABYF18LAT AOYB18LALL ABYF18LBT AOYA18LALL ABYF18LBT AOYB18LALL ABYF24LAT AOYA24LACL ABYF24LAT AOYA24LALL ABYF24LAT AOYB24LACL ABYF24LAT AOYB24LALL ABYF24LBT AOYA24LALL ABYF24LBT AOYB24LALL CONTENTS .
  • Page 2: Specifications

    SPECIFICATIONS ELECTRICAL DATA Cool & heat inverter TYPE INDOOR UNIT ABYF18LAT, ABYF18LBT ABYF24LAT, ABYF24LBT OUTDOOR UNIT AOYA24LA_L AOYB24LA_L AOYA18LA_L AOYB18LA_L COOLING CAPACITY 5.20 kW 7.10 kW HEATING CAPACITY 6.00 kW 8.00 kW 230 V POWER SOURCE 230 V FREQUENCY 50 Hz...
  • Page 3: Outline And Dimensions

    OUTLINE AND DIMENSIONS INDOOR UNIT Unit : mm (rear view) 2006.10.16...
  • Page 4 OUTDOOR UNIT AOY_18LA_L Unit : mm Top view Front view Side view Air flow 4- 10mm hole Drain pipe Bottom view mounting place ( 20) 2008.06.26...
  • Page 5 OUTDOOR UNIT AOY_24LA_L Unit : mm Top view Front view Side view Air flow 4- 10mm hole Drain pipe Bottom view mounting place ( 20) 2008.06.26...
  • Page 6: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM OUTDOOR UNIT INDOOR UNIT Muffler 3-Way valve Muffler 4-Way valve Heat exchanger Heat exchanger Accumulator Compressor Expansion 2-Way valve Strainer Strainer valve Cool : THERMISTOR (COMPRESSOR TEP.) : THERMISTOR (PIPE TEP.) Heat : THERMISTOR (DISCHARGE TEP.) : THERMISTOR (ROOM TEP.) : THERMISTOR (HEAT EXCHANGER MED TEP.) : THERMISTOR (HEAT EXCHANGER OUT TEP.) : THERMISTOR (OUTDOOR TEP.)
  • Page 7: Circuit Diagram

    CIRCUIT DIAGRAM INDOOR UNIT REACTOR OUTDOOR UNIT THERMISTOR BLACK GRAY ( PIPE TEMP. ) BLACK GRAY BLACK THERMISTOR BLACK ( ROOM TEMP. ) R (R) WHITE COMPRESSOR WHITE WHITE BLACK S (S) BLACK C (T) BLACK THERMISTOR ( PIPE TEMPE. ) BLACK CN71 BROWN...
  • Page 8: Indoor Pcb Circuit Diagram

    INDOOR PCB CIRCUIT DIAGRAM B2B-XASK-1-A CN8-1 BLACK ROOM THERMISTOR BLACK CN8-2 CONTROL UNIT B2B-XAYK-1-A CN7-1 THERMISTOR ( PIPE - ENTRANCE TEMP. ) ABYF18LAT : EZ-0070MHSE CN7-2 B2B-XAKK-1-A ABYF24LAT : EZ-0070PHSE GRAY CN5-1 BLACK THERMISTOR ( PIPE - MID. TEMP. ) GRAY BLACK CN5-2...
  • Page 9 INDOOR UNIT CONTROLLER PCB ASSEMBLY ABYF18LAT : K06AK-0705HSE-C1 ABYF24LAT : K06AK-0706HSE-C1 R1 - R3 1SS355 10K <1/10W> x 3 ROOM TEMP. TH. I C8 13.5V FLOAT SWITCH NJM7812 B02B-XASK-1-A R4 - R6 1.0K 1.0K <1/10W> x 3 <1/10W> B03B-XARK-1-A PIPE TEMP. TH. ( ENT )
  • Page 10 R103 340V 13.5V D108 D2FL20U <RS-2W> INDOOR UNIT T101 C108 ZFT22B03-C 4700P ABYF18LAT, ABYF24LAT <ECQP> R111 I C26-14 C113 R104 1000/ POWER SUPPLY PCB ASSEMBLY 330K <1/10W> D102 <2W> K06AL-0600HSE-P0 1SR139-600 C114 C109 0.01 F101 L101 220P/ <KH> BET 3.15A - 250V REP28-15 2.0kV...
  • Page 11: Cn201

    INDOOR UNIT ABYF18LAT, ABYF24LAT INDICATOR PCB ASSEMBLY K04EI-0800HSE-D0 R202 220 CN201 D206 <1/4W> 08 / 08 JC25 / XMR EMPG3863X-J300K GREEN 1430 L=200 R203 390 D207 BROWN <1/4W> EMAA3863X-J300K ORANGE ( OPERATE ) R204 560 D208 ( TIMER ) ORANGE TO MAIN PCB <1/4W>...
  • Page 12: Cn105

    INDOOR UNIT B2B-XASK-1-A CONTROL UNIT CN8-1 BLACK THERMISTOR ( ROOM TEMP. ) BLACK CN8-2 ABYF18LBT : EZ-00810HSE B2B-XAYK-1-A CN7-1 THERMISTOR ( PIPE - ENTRANCE TEMP. ) ABYF24LBT : EZ-0080WHSE CN7-2 B2B-XAKK-1-A CN5-1 GRAY BLACK THERMISTOR ( PIPE - MID. TEMP. ) BLACK GRAY CN5-2...
  • Page 13: Cn105

    INDOOR UNIT CONTROLLER PCB ASSEMBLY ABYF18LBT : K06AK-080FHSE-C1 ABYF24LBT : K06AK-080DHSE-C1 R1 - R3 1SS355 10K <1/10W> x 3 THERMISTOR ( ROOM TEMP. ) I C8 13.5V FLOAT SWITCH B02B-XASK-1-A NJM7812 R4 - R6 1.0K 1.0K <1/10W> x 3 <1/10W> B03B-XARK-1-A THERMISTOR ( PIPE-ENT.
  • Page 14: Cn104

    R103 340V 13.5V INDOOR UNIT D108 D2FL20U <RS-2W> ABYF18LBT, ABYF24LBT T101 C108 ZFT22B03 4700P POWER SUPPLY PCB ASSEMBLY <FSN> I C26-14 C113 R111 R104 1000/ K06AL-0800HSE-P0 <1/10W> 330K D102 <2W> 1SR139-600 C114 C109 0.01 F101 220P/ <KH> BET 3.15A - 250V 2.0kV L101 C115...
  • Page 15: Cn201

    INDOOR UNIT ABYF18LBT, ABYF24LBT INDICATOR PCB ASSEMBLY K04EI-0801HSE-D0 R202 220 CN201 D206 <1/4W> 08 / 08 JC25 / XMR EMPG3863X-J300K GREEN 1430 L=200 R203 390 D207 ( OPERATE ) BROWN <1/4W> EMAA3863X-J300K ORANGE ( TIMER ) R204 560 D208 ( LOUVER ) ORANGE TO MAIN PCB <1/4W>...
  • Page 16: Outdoor Pcb Circuit Diagram

    OUTDOOR PCB CIRCUIT DIAGRAM INVERTER ASSEMBLY AOYA18LA_L : EZ-0069HUE AOYB18LA_L : EZ-007FHUE AOYA24LA_L : EZ-006AHUE AOYB24LA_L : EZ-007GHUE COMPRESSOR EMI FILTER EMI FILTER EMI FILTER TO INDOOR UNIT ATFC-25-15-12 ATFC-25-15-12 REACTOR 2 TURN 1 TURN W103 UL1015 AWG20 UL1015 AWG14 BLACK BLACK ( A-1 )
  • Page 17: B03B-Pask

    OUTDOOR UNIT INVERTER PCB ASSEMBLY AOYA18LA_L : K06AX-0600HUE-C1 AOYB18LA_L : K06AX-0706HUE-C1 C100 - C102 F100 AOYA24LA_L : K06AX-0601HUE-C1 LLQ2W661KEUBGC GDT 250 15 660uF / 450V x 3 15A - 250V AOYB24LA_L : K06AX-0707HUE-C1 REACTOR R200 L300 FSL 250 3.15<EM > ELC0607RA <1/2W>...
  • Page 18: Error Display

    ERROR CONTENTS Operation lamp (Green) Timer lamp (Orange) Filter lamp (Red) INDOOR UNIT The lamps show the error contents. : 0.5s ON/0.5s OFF (Flash) : OFF Timer lamp Operation Filter lamp Error contents lamp (Green) (Orange) (Red) 2 times Serial reverse transfer error at starting up operation 3 times Serial reverse transfer error during the operation 4 times...
  • Page 19: Wired Remote Control

    WIRED REMOTE CONTROL If an error occurs, the following display will be shown. ("EE" will appear in the set room temperature display.) If "CO" appears in the unit number display, there is a remote control error. Refer to the installation instruction sheet included with the remote control. Unit number Error code S U MO TU WE TH FR S A...
  • Page 20 OUTDOOR UNIT Error contents Thermistor malfunction on 0.1 sec / off 0.1 sec Abnormal discharge temperature Current surge protection on 0.5 sec / off 0.5 sec CT abnormality on 2.0 sec / off 2.0 sec Compressor position detection malfunction on 0.1 sec / off 2.0 sec Fan malfunction on 5.0 sec / off 5.0 sec PAM voltage abnormality...
  • Page 21: Parts (Indoor Unit)

    PARTS INDOOR UNIT Part number Ref. Description 1 Remote Control 9315885012 9315885012 2 Remote Control Holder 9305642045 9305642045 3 Top Cover 9358534014 9358534021 4 Arm 9358565001 9358565001 5 Hanger Bracket L 9358596005 9358596005 6 Hanger Bracket R 9358595008 9358595008 7 Cosmetic Panel R 9358535011 9358535028 8 Cosmetic Panel L...
  • Page 22 INDOOR UNIT Panel assy Insulation C Insulation F Insulation D PCB holder Insulation E Part number Ref. Description Panel 9358531150 9358531167 12 Side Cover R Assy 9359069041 9359069072 13 Indicator PCB Assy 9705798052 9705798069 14 Insulation (Panel) A 9358574003 9358574003 15 Insulation (Panel) B 9358914007 9358914007...
  • Page 23 INDOOR UNIT Grille Description Part number Ref. 21 Air Filter 9358567029 22 Grill F (LAT) 9358532010 22 Grill F (LBT) 9358532027 23 Arm Bracket 9359281009 24 Grille Support 9358602003 25 Filter Bracket 9358607008 2009.07.13...
  • Page 24 INDOOR UNIT Kit (Flap base) Part number Ref. Description Kit (Flap Base) 9372670019 9372670033 Flap Base 9358537015 9358537022 Protect Cover 9358564004 9358564011 Support Stay 9358599006 9358599006 Louver 9358561010 9358561027 Bushing B 9358554005 9358554005 Louver Stopper 9358555002 9358555002 Louver Rod 9358559000 9358559017 Motor Rod 9358560006...
  • Page 25 INDOOR UNIT Flap base sub assy Part number Ref. Description Bushing 9357942001 9357942001 Bushing C 9358553008 9358553008 Flap (Upper) F 9358538012 9358538029 Kit (Flap Lower) 9372671016 9372671023 Step Motor H 9900297015 9900297015 Louver Link 9358556009 9358556009 Louver Shaft 9358557006 9358557006 Louver Link Cover 9358558003 9358558010...
  • Page 26 INDOOR UNIT Base assy Ref. Description Part number Base Assy 9359061014 9358563007 Base Bracket 9358586006 2008.04.16...
  • Page 27 INDOOR UNIT Drain pan assy Evaporator Ref. Description Part number Kit (Separate Wall A) 9372666012 Kit (Separate Wall B) 9373448013 Kit (Drain Pan Assy) 9372669013 Drain Cap 9358746004 Drain Hose Assy 9359242000 Kit (Insulation Flap Base) 9372672013 Kit (Dew Proof Plate) 9372673010 Catch 9359096009...
  • Page 28 INDOOR UNIT ABYF18L_T Evaporator ABYF24L_T Part number Ref. Description ABYF18L_T ABYF24L_T 81 Evaporator Assy 9362513043 9362513050 82 Bypass Pipe Assy 9377819017 9377821010 Distributor Assy 9371325354 9371325361 Coupling Pipe Assy 9373038382 9373038399 2009.07.13...
  • Page 29 INDOOR UNIT Fan motor Ref. Description Part number Sirocco Fan Assy 9385258006 Casing 9358543009 Casing Cover 9358544006 Fan Motor Assy 9602401017 Rubber 9385102002 Motor Fixing Table 9358591000 Protector 9359282006 Motor Fixture 9358594001 2008.04.16...
  • Page 30 INDOOR UNIT Control unit Part number Ref. Description 101 Control Box 9358600016 9358600054 102 Control Box Cover Assy 9359097006 9359097006 103 Controller PCB Assy (18) 9707393347 9707393569 103 Controller PCB Assy (24) 9707393354 9707393545 104 Power Supply PCB Assy 9707398014 9707398113 105 Terminal 3P 9306489045...
  • Page 31: Parts (Outdoor Unit)

    PARTS OUTDOOR UNIT Part number Ref. Description AOY_18LA_L AOY_24LA_L Top Panel Assy 9309230057 9309230057 Cover (Switch) Assy 9309237032 9309237032 Cabinet Assy 9314809040 9314809019 Blow Down Grille 9308884015 9308884015 Cabinet Right Assy 9309236011 9309236028 Fan Ring 9308885012 9308885012 Grip 9308880017 9308880017 Emblem 9315210012 9315210012...
  • Page 32 OUTDOOR UNIT Part number Ref. Description AOY_18LA_L AOY_24LA_L 4-Way Valve 9900047016 9900163013 Pulse Motor Valve Assy 9311641018 9315310019 Condenser Assy 9311382027 Condenser Total Assy 9312322091 Thermistor Spring A 313728262708 313728262708 Thermistor Holder 9300089012 9357804002 Propeller Fan 9309909014 9309909014 9304902003 9304902003 Motor Bracket 9308872012 9308872029...
  • Page 33 OUTDOOR UNIT Ref. Description Part number Inverter PCB Assy (AOYA18) 9707427011 Inverter PCB Assy (AOYB18) 9707427110 Inverter PCB Assy (AOYA24) 9707427028 Inverter PCB Assy (AOYB24) 9707427127 Fuse Holder 0501454012 Fuse Holder 0501456016 Fuse 0600382018 Fuse 0600372163 Terminal 9703874031 Inverter Case Assy 9315690012 2009.07.13...
  • Page 34: Accessories

    ACCESSORIES INDOOR UNIT Name and Shape Q'ty Application Part number Cosmetic Panel-L 9358536018 Cosmetic Panel-R 9358535011 Screw (M4 x 10) 0700009037 Installation template For positioning the indoor unit. For under ceiling type. 9359107002 Hanger bracket (left) For suspending the indoor 9358596005 unit from ceiling.
  • Page 35 OUTDOOR UNIT Name and Shape Q'ty Application Part number Drain pipe For drain piping work. 9303029015 OPTIONAL PARTS Wired remote control : UTB-YUD (P/N 9076961000) 2008.05.12...
  • Page 36 0805G3486...

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