Fujitsu AUH12UMAB Service Manual
Fujitsu AUH12UMAB Service Manual

Fujitsu AUH12UMAB Service Manual

Multi air conditioner wall mounted cassette type, indoor/outdoor units, refrigerant r410a

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MULTI AIR CONDITIONER
WALL MOUNTED
CASSETTE
Models
Indoor unit
ASH12UMBD
ASH7UMBD
AUH12UMAB
ASH7UMBD
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . .
OUTLINE AND DIMENSIONS . . . . . . . . . . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . .
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . 11
DISASSEMBLY ILLUSTRATION . . . . . . . . .
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . .
STANDARD ACCESSORIES . . . . . . . . . . . . . 27
type
Outdoor unit
AOH20USBV2
AOH20USBV2
1
3
6
7
9
13
24

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Summary of Contents for Fujitsu AUH12UMAB

  • Page 1: Table Of Contents

    Indoor unit Outdoor unit ASH12UMBD AOH20USBV2 ASH7UMBD AUH12UMAB AOH20USBV2 ASH7UMBD CONTENTS SPECIFICATIONS ..... . . OUTLINE AND DIMENSIONS ... .
  • Page 2: Specifications

    MOISTURE REMOVAL 520 m 420 m 550 m AIR CIRCULATION-High ELECTRICAL DATA (Combination) COOL & HEAT TYPE ASH12UMBD + ASH7UMBD AUH12UMAB + ASH7UMBD INDOOR UNIT AOH20USBV2 OUTDOOR UNIT 5.70 kW 5.70 kW COOLING CAPACITY 6.70 kW 6.70 kW HEATING CAPACITY...
  • Page 3 SPECIFICATIONS INDOOR UNIT AUY12UMAB MODEL NAME ASH12UMBD ASH7UMBD 1,310 r.p.m. / 1,310 r.p.m. 1,250 r.p.m. / 1,270 r.p.m. 760 r.p.m. / 760 r.p.m. HIGH-SPEED 1,260 r.p.m. / 1,180 r.p.m. 1,140 r.p.m. / 1,140 r.p.m. 690 r.p.m. / 690 r.p.m. MED-SPEED FAN MOTOR ( cool / heat ) 1,190 r.p.m.
  • Page 4: Outline And Dimensions

    OUTLINE AND DIMENSIONS INDOOR UNIT (Wall mounted type) Models : ASH12UMBD, ASH7UMBD (Unit : mm) 2006.03.01...
  • Page 5 INDOOR UNIT (Cassette type) Model : AUH12UMAB (Unit : mm) ( 650) (Grille measurement) (Hanging bolt position) Drain pipe (I.D. (Ceiling opening measurement) 2006.03.01...
  • Page 6 OUTDOOR UNIT Model : AOH20USBV2 (Unit : mm) Air Flow 2006.03.01...
  • Page 7: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM 2006.02.17...
  • Page 8: Circuit Diagram

    CIRCUIT DIAGRAM Models : ASH12UMBD, ASH7UMBD / AOH20USBV2 INDOOR UNIT Wall Mounted type Wall Mounted type (ASH12UMBD) (ASH7UMBD) BLACK BLACK OUTDOOR UNIT BLACK BLACK THERMISTOR ( ROOM TEMP. ) THERMISTOR ( ROOM TEMP. ) GRAY GRAY GRAY GRAY BLACK MOTOR TEST TEST THERMISTOR...
  • Page 9 Models : AUH12UMAB, ASH7UMBD / AOH20USBV2 INDOOR UNIT OUTDOOR UNIT Wall Mounted type (ASH7UMBD) BLACK MOTOR Cassette type COMP. CAPACITOR WHITE BLACK (AUH12UMAB) CAPACITOR A BLACK YELLOW COMP. THERMISTOR ( ROOM TEMP. ) BLUE WHITE GRAY CAPACITOR B GRAY TEST...
  • Page 10: Indoor Pcb Circuit Diagram

    INDOOR PCB CIRCUIT DIAGRAM Models : ASH12UMBD, ASH7UMBD POWER TRANSFORMER EZ-030HSE-T CONTROLLER PCB ASSEMBLY ( MAIN PCB ) ASH12UMBD : K-03BK-0502HSE-C1 ASH7UMBD : K-03BK-0500HSE-C1 ORANGE FAN CAPACITOR 7.0uF POWER SUPPLY PCB I C 1 EZ-00307HSE-P uPD78F0034BSGB-X39-8ET-01 R30 1.0K uPD780024ASGB-X39-8ET MANUAL AUTO <1/10W>...
  • Page 11 Model : AUH12UMAB CONTROLLER PCB ASSEMBLY ( MAIN PCB ) EZ-0032EHSE-C 10K <1/10W> x 3 B2B-XASK-1-A ROOM TEMPERATURE THERMISTOR R5 62K CN8-1 BLACK 4700P <RSP2 R18 1.0K <1/10W> CN8-2 <ECQM> -2W> NOT USED BLACK R19 1.0K <1/10W> R44 1.0K CUSTOM CODE SWITCHING (R1)
  • Page 12 OUTDOOR PCB CIRCUIT DIAGRAM CONTROLLER PCB ASSEMBLY ( MAIN PCB ) K05DT-0500HUE-C1 Model : AOH20USBV2 REGC I C 1 R5 62K 4700P <RS - 2W> 0.47 1SS355 UPD78F0513GB(R)- <ECQM> ZFT19K02 330K B10B-XAKK-1-A <F> 011-UES-A <2W> BLACK I C2 R11 - R15 1SR139-600 CN9-1 NJM7805...
  • Page 13: Error Contents

    ERROR CONTENTS INDOOR UNIT (Wall Mounted type) Fast flashing Slow flashing Operation lamp : Red lamp Timer lamp : Green lamp Large division indication Small division indication Error contents LED indication Error contents LED indication circuit board error Red lamp ----- ----- -----...
  • Page 14 OUTDOOR UNIT When a malfunction occurs in the outdoor unit, the LEDs on the circuit board light to indicate the error. Refer to the following table for the descrip- tion of each error according to the LEDs. Error display Error contents LED 1 LED 2 0.1 sec.
  • Page 15: Disassembly Illustration

    DISASSEMBLY ILLUSTRATION Models : ASH12UMBD ASH7UMBD 2006.03.01...
  • Page 16 Model : ASH12UMBD 2006.03.01...
  • Page 17 Model : ASH7UMBD 2006.03.01...
  • Page 18 Model : AUH12UMAB 652-1 184-1 476-3 2006.03.01...
  • Page 19 Model : AUH12UMAB 2006.03.01...
  • Page 20 Model : UTG-UDGD-W 876-2 711-2 711-1 2006.03.01...
  • Page 21 Model : AOH20USBV2 2006.03.01...
  • Page 22 Model : AOH20USBV2 2006.03.01...
  • Page 23 Model : AOH20USBV2 28-1 28-2 2006.03.01...
  • Page 24 Model : AOH20USBV2 48-2 48-1 2006.03.01...
  • Page 25 Model : AOH20USBV2 59-1 59-2 60-1 60-2 61-1 61-2 28-1 28-2 63-1 63-2 63-1 63-2 63-1 63-2 2006.03.01...
  • Page 26: Parts List

    PARTS LIST INDOOR UNIT Part No. Ref. Ord. Description Q'ty ASH12UMBD ASH7UMBD Blower Cover ------ 9306462000 Capacitor (Fan Motor) 9900089061 9900089061 Front Panel Assy 9312172085 9312172085 Flow Control Panel-Z 9306058043 9306058043 Louver-A 9306055028 9306055028 Filter 9305444014 9305444014 Base 9309755062 9309755062 Casing Assy 9312173037 9312173020...
  • Page 27 INDOOR UNIT Part No. Part No. Ref. Ord. Ref. Ord. Description Description Q'ty Q'ty AUH12UMAB AUH12UMAB Capacitor (FanMotor) 9900284015 Body-B 9359645009 Rubber (Vibration-proof) 9361279001 Drain Port 313005415658 Drain Hose 9359659013 Special Nut-A (Large) 313005446653 Special Wall-A 9359647003 Special Nut-B (Small)
  • Page 28 OUTDOOR UNIT Part No. Ref. Ord. Description AOH20USBV2 Q'ty Top Panel Sub Assy 9374417018 Front Panel S 9374094080 Fan Guard 9374330010 Grip Side 9374173013 Service Panel Sub Assy 9374415045 Right Panel 9374599042 Grip 9374172016 Print Net S 9374255047 Propeller Fan Assy 9366378013 Motor, Induction 9601671060...
  • Page 29: Standard Accessories

    STANDARD ACCESSORIES INDOOR UNIT INDOOR UNIT (ASH12UMBD, ASH7UMBD) (AUH12UMAB) Name and Shape Q'ty Part No. Name and Shape Q'ty Part No. Wall hook bracket Coupler heat insulation 9350716029 9304358008 9352766015 Special nut A (large flange) 313005446653 Remote control unit Special nut B...
  • Page 30 0602G3028...

This manual is also suitable for:

Ash7umbdAoh20usbv2Ash12umbd

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