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Fujitsu AUXG24LRLB Service Manual

Split type air conditioner cassette type (50hz)
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SPLIT TYPE
AIR CONDITIONER
CASSETTE TYPE (50Hz)

Indoor unit

AUXG18LRLB
AUXG24LRLB
UTG-UKYA-W
CO NTE NTS
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . .
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . .
PCB CIRCUIT DIAGRAM. . . . . . . . . . . . . .
ERROR DETECTION . . . . . . . . . . . . . . . .
PARTS (DECORATION PANEL)
PARTS (INDOOR UNIT)
ACCESSORIES . . . . . . . . . . . . . . . . . . . .

Outdoor unit

AOYG18LBCA
AOYG24LBCA
1
2
4
5
6
8
10
. . . . . . .
14
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19
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22

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  Summary of Contents for Fujitsu AUXG24LRLB

  • Page 1: Table Of Contents

    CASSETTE TYPE (50Hz) Indoor unit Outdoor unit AUXG18LRLB AOYG18LBCA AUXG24LRLB AOYG24LBCA UTG-UKYA-W CO NTE NTS SPECIFICATIONS....DIMENSIONS ..... . .
  • Page 2: Specifications

    Hermetic type, TYPE High 400 rpm 430 rpm 6 pole, 3 phase, COMPRESSOR TYPE INDOOR UNIT Medium 360 rpm 400 rpm AUXG18LRLB AUXG24LRLB INDOOR DC inverter motor, Rotary UNIT DECORATION PANEL UTG-UKYA-W 340 rpm 360 rpm DISCRIMINATION N-SF17ND1A Quiet OUTDOOR UNIT...
  • Page 3 D IM E N S IO N S Drain pipe diameter INDOOR UNIT DECORATION PANEL Inside : 20 mm Outside : 26 mm 840 mm 950 mm 2015.11.25...
  • Page 4 OUTDOOR UNIT 790 mm 290 mm 540 mm 2015.12.02...
  • Page 5: Refrigerant System Diagram

    R EF R IG E R A N T S Y S TE M D I A GR A M Heat exchanger (Indoor unit) 3-way valve 2-way valve Muffler Pressure switch Muffler Cooling flow Heating flow Strainer Refrigerant pipe diameter Compressor 4-Way valve [18]...
  • Page 6: Circuit Diagram

    C I R CU IT D IA GRAM Fan motor High pressure Expansion Thermistor switch valve coil ( Comp. temp. ) Compressor 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 W7 U CN40 CN74...
  • Page 7: Pcb Circuit Diagram

    P CB C IR C UIT DI AG RAM CONTROL UNIT INDOOR UNIT AUXG18LRLB : EZ-015WHSE AUXG24LRLB : EZ-015YHSE Thermistor Characteristics. EMI FILTER ZCAT1518-0730 Temperature 2 WIRE TYPE TERMINAL 2 TURNS Thermistor CN14-1 CN14 33.6 k 12.5 k 8.0 k REMOTE THERMISTOR ( ROOM TEMP.
  • Page 8 OUTDOOR UNIT INVERTER ASSEMBLY AOYG18LBCA : EZ-015FHUE AOYG24LBCA : EZ-015GHUE EMI FILTER EMI FILTER EMI FILTER TRCB-25-15-12 TERMINAL TO I NDOOR UNIT TRCB-25-15-12 ZCAT3035-1330 1 TURN UL3271 1 TURN 1 TURN AWG16 UL1015 AWG18 W101 UL3271 BLACK AWG16 UL1015 WHITE COMPRESSOR AWG18 UL3271...
  • Page 9 E RR O R D ETEC TION Troubleshooting at the remote control LCD UTY-RNRYZ1 (2-wire type) Error History (Triple-digit) If an error occurs, an error icon appears on the “Monitor mode screen”. Touch the [Status] button. The “Status” screen is displayed. (1) Touch the [Error History] on Maintenance Page 1/ 3...
  • Page 10 Error display Error display Wired Wired remote remote TIMER ECONOMY TIMER ECONOMY Description Description OPERATION OPERATION controller control lamp lamp lamp lamp lamp (green) lamp (green) Error code Error code If you use a wired type remote control, (orange) (green) (orange) (green) Serial communication error...
  • Page 11 P AR T S DECORATION PANEL UTG-UKYA-W Ref. Description Part number Remote Control (no brand) 9709335055 Corner Panel Assy 9381711000 Intake Grille Assy Printed 9381690008 2015.11.25...
  • Page 12 DECORATION PANEL UTG-UKYA-W Intake grille assy Grille metal Panel metal Ref. Description Part number Longlife Filter 9378252028 Filter Guide 9378253018 Switch Holder 9381362004 Switch Spring 9381688005 Switch 9381363001 2015.10.26...
  • Page 13 DECORATION PANEL UTG-UKYA-W Ref. Description Part number Louver Assy 9381693009 Motor Cover 9381354009 Step Motor 9900885007 Shaft Cover 9381357000 Motor Case 9381356003 Drain Cover Assy 9381713004 Bezel 9381353002 2015.10.23...
  • Page 14 DECORATION PANEL UTG-UKYA-W Ref. Description Part number Hook Wire 9378597020 Panel Insulation A 9381359004 Panel Insulation B 9381360000 Panel insulation C 9381355006 Decoration Panel 9381352005 2015.10.26...
  • Page 15 Hook B PAR TS INDOOR UNIT AUXG18LRLB AUXG24LRLB Hook A Hook A Wire cover 2015.11.25...
  • Page 16 Part number Cable Guide 9381376001 Room Thermistor Holder 9381348008 Room Thermistor 9900822002 Pipe Thermistor 9900903008 Main PCB (AUXG18LRLB) 9710016165 Main PCB (AUXG24LRLB) 9710016172 Power PCB 9710022005 PCB (Non-polar 2-wire) 9710019005 Box shield Remote Terminal 5P 9900896003 Power Terminal 3P 9900720032...
  • Page 17 INDOOR UNIT AUXG18LRLB AUXG24LRLB Ref. Description Part number Bellmouth 9381484003 Turbo Fan Assy 9381303007 Turbo Fan Washer 9378394018 9356998009 Brushless Motor 9603443009 Special Nut 9378388017 Motor Wire Holder 9381351008 Drain Pan Sub Assy 9381789009 2015.11.25...
  • Page 18 Drain pan Hang the fan motor lead in the drain pan hooks. (when it is maintained) Tuck the lead. Lead Hang the lead in the hook. Make a slack. Not to be loosed. 2015.11.25...
  • Page 19 INDOOR UNIT AUXG18LRLB AUXG24LRLB Ref. Description Part number Drain Cap 9375502010 Panel Hook 9375671013 Vane L 9381745012 Vane R 9381744008 Drain Pump Sub Assy 9381793006 Drain Port Sub Assy 9381788002 Drain Hose 9379665001 Hose Band 9379757010 Float Switch Sub Assy 9381794003 2015.11.25...
  • Page 20 Top plate assy Cabinet B INDOOR UNIT sub assy AUXG18LRLB Evaporator holder AUXG24LRLB Cabinet A L Ref. Description Part number Pipe cover Insulation Box Sub Assy 9381787012 Evaporator Total Assy (18) 9378580121 Evaporator Total Assy (24) 9378580114 Wind Guide Board 9382125004 2015.11.25...
  • Page 21: Parts (Outdoor Unit)

    P AR TS OUTDOOR UNIT AOYG18LBCA AOYG24LBCA Ref. Description Part number Drain Assy 9303029022 Drain Cap 313166024302 Protective Net 9331640015 Top Panel Assy 9318464139 Emblem 9319151007 Front Panel Assy 9318463040 Cabinet Left Assy 9318461015 Cabinet Right Assy 9318462012 Grip 9317588003 Switch Cover Assy 9318499001 Fan Motor...
  • Page 22 Ref. Description Part number Shield panel OUTDOOR UNIT AOYG18LBCA PCB Holder 9319547015 AOYG24LBCA Main PCB (18LBCA) 9708995342 Main PCB (24LBCA) 9708995359 Heat Sink 9319540009 Terminal 6P 9900435028 Outdoor Thermistor 9900565008 Thermistor Assy 9900727017 Compressor Thermistor 9900777012 Terminal bracket Inverter case assy 2015.11.24...
  • Page 23 OUTDOOR UNIT AOYG18LBCA AOYG24LBCA Ref. Description Part number Condenser Total Assy 9317089166 Compressor 9810244000 2-way Valve Assy 9314554018 3-way Valve Sub Assy (18) 9317109017 3-way Valve Sub Assy (24) 9319098005 4-way Valve Assy 9319874012 Solenoid 9970110023 Pulse Motor Valve Sub Assy 9319886022 Expansion Valve Coil 9970095030...
  • Page 24: Accessories

    AC C ES SO RIES INDOOR UNIT AUXG18LRLB AUXG24LRLB DECORATION PANEL UTG-UKYA-W Name and Shape Q’ty Description For installing indoor unit Template Name and shape Q’ty Description (Carton top) Hexagon Screw Washer For installing indoor unit For mounting decoration panel...
  • Page 25 1509G4442...

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