General ARHA24LATU Service Manual
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General ARHA24LATU Service Manual

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INVERTER SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT TYPE
Indoor unit
ARHA24LATU
ARHA24LATU
ARHA24LATU
ARHA24LATU
ARHF24LBTU
ARHF24LBTU
CO NT E NT S
. . . . . . . . . . . . . . . . . . .1
. . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . 5
OUTDOOR PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . .16
. . . . . . . . . . . . . . . . 18
. . . . . . . . . . . . . . . 21
. . . . . . . . . . . . . . . . . . . 24
Outdoor unit
AOHA24LACL
AOHA24LALL
AOHB24LACL
AOHB24LALL
AOHA24LALL
AOHB24LALL
. . . 4
. . . . . 8
. .14

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  • Page 1: Table Of Contents

    INVERTER SPLIT TYPE AIR CONDITIONER (50Hz) DUCT TYPE Indoor unit Outdoor unit ARHA24LATU AOHA24LACL ARHA24LATU AOHA24LALL ARHA24LATU AOHB24LACL ARHA24LATU AOHB24LALL ARHF24LBTU AOHA24LALL ARHF24LBTU AOHB24LALL CO NT E NT S ....1 SPECIFICATIONS .

  • Page 2: Specifications

    S P E CI F I CAT I O NS ELECTRICAL DATA NOISE LEVEL High speed TYPE Inverter Cool & Heat 31 dB Med speed INDOOR UNIT ARHA24LATU, ARHF24LBTU 29 dB INDOOR UNIT Low speed OUTDOOR UNIT AOHA24LA_L AOHB24LA_L 27 dB Quiet 7.10 kW...

  • Page 3: Dimensions

    DI ME NS I O NS INDOOR UNIT Unit : mm 1,177 1,015 1,135 2008.06.26...
  • Page 4 OUTDOOR UNIT Unit : mm Top view Front view Side view Air flow 4- 10mm hole Bottom view Drain pipe mounting place ( 20) 2006.09.29...

  • Page 5: Refrigerant System Diagram

    RE F RI G E RANT S Y S T EM DI AG RAM OUTDOOR UNIT INDOOR UNIT Muffler 3-Way valve Muffler 4-Way valve Heat exchanger Heat exchanger Accumulator Compressor Expansion 2-Way Strainer Strainer valve valve Cool : THERMISTOR (COMPRESSOR TEP.) : THERMISTOR (PIPE TEP.) Heat : THERMISTOR (ROOM TEP.)

  • Page 6: Circuit Diagram

    GRAY CI RCUI T DI AG RAM PIPE THERMISTOR GRAY BLACK ROOM THERMISTOR INDOOR UNIT BLACK ARHA24LATU CONTROLLER PCB ASSY ( MAIN PCB ) WHITE BLACK TERMINAL TO REMOTE CONTROL 1 2 3 4 5 6 7 8 1 2 3...
  • Page 7 TERMISTOR GRAY GRAY ( PIPE TEMP. ) BLACK TERMISTOR INDOOR UNIT BLACK ( ROOM TEMP. ) ARHF24LBTU CN5 CN7 CN8 CONTROLLER PCB ASSEMBLY WHITE BLACK TERMINAL TO REMOTE CONTROL 1 2 3 4 5 6 7 8 1 2 3 1 2 3 4 5 6 7 8 1 2 3 1 2 3 4 5 6 7 8 1 2 3 1 2 3 4 5 6 7 8 1 2 3...
  • Page 8 OUTDOOR UNIT REACTOR COMPRESSOR R (R) WHITE WHITE WHITE BLACK S (S) PIPE BLACK C (T) BLACK THERMISTOR BLACK CN71 BROWN DISCHARGE PIPE BROWN THERMISTOR FAN MOTOR BLACK CN801 WHITE YELLOW BROWN COMPRESSOR BLUE CN73 BROWN THERMISTOR CONTROLLER PCB ASSY PIPE ( MID ) BLACK CN72...

  • Page 17: Error Contents

    ERRO R CO NT E NT S REMOTE CONTROL UNIT Code Error contents Troubleshooting at the remote control LCD Indoor signal error This is possible only on the wired remote control. Wired remote controller abnormal [ SELF-DIAGNOSIS ] Indoor room temperature sensor error If an error occurs, the following display will be shown.
  • Page 18 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 19: Parts (Indoor Unit)

    P ART S INDOOR UNIT Insulation Control Bo x Insulation Insulation Ref. Description Part number Intake Cover Sub Assy 9374512010 Main Panel Sub Assy 9374511013 Drain Pan Sub Assy 9374513017 Drain Cap 9356541007 Evaporator Assy 9374518012 Outlet Panel Sub Assy 9374510016 Control Cover-A Sub Assy 9374516018...
  • Page 20 INDOOR UNIT Ref. Description Part number 21 Base Sub Assy 9374504015 22 Separate Wall Assy 9374228010 23 Casing B 9374234011 24 Sirocco Fan Assy 9356531039 Bracket Motor Assy A 9374230020 26 Bracket Motor Assy B 9358591000 27 Bracket Motor C 9358594001 28 Motor, Induction 9602433018...
  • Page 21 INDOOR UNIT Ref. Description Part number Controller PCB Assy (LATU) 9707393064 Controller PCB Assy (LBTU) 9707393491 Cap (Power) 9352173011 One Touch Bush 9374407019 Terminal 3P 9703345012 Terminal 3P 9306489045 Power Supply PCB Assy (LATU) 9707398045 Power Supply PCB Assy (LBTU) 9707398144 Reactor Assy 9707457018...

  • Page 22: Parts (Outdoor Unit)

    P ART S OUTDOOR UNIT Ref. Description Part number Top Panel Assy 9309230057 Cover (Switch) Assy 9309237032 Cabinet Assy 9314809019 Blow Down Grille 9308884015 Cabinet Right Assy 9309236028 Fan Ring 9308885012 Grip 9308880017 Emblem 9315211019 Protective Net 9315033017 2008.07.29...
  • Page 23 OUTDOOR UNIT Ref. Description Part number 4-Way Valve 9900163013 Pulse Motor Valve Assy 9315310019 Condenser Assy 9315302014 Thermistor Spring A 313728262708 Thermistor Spring 9357804002 Propeller Fan 9309909014 9304902003 Motor Bracket 9308872029 Separator Assy 9312971015 Base Assy 9315296030 3-Way Valve Assy 9315414014 2-Way Valve Assy 9313062019...
  • Page 24 OUTDOOR UNIT Ref. Description Part number Inverter PCB Assy (AOHA) 9707427028 Inverter PCB Assy (AOHB) 9707427127 Fuse Holder 0501454012 Fuse Holder 0501456016 Fuse 0600382018 Fuse 0600372163 Terminal 9703874031 Inverter Case Assy 9315690012 2009.07.09...

  • Page 25: Accessories

    A C C ES S OR IES INDOOR UNIT Application Application Name and Shape Q'ty Name and Shape Q'ty (part number) (part number) Drain hose Insulates the drain hose For suspending the indoor Hanger insulation and vinyl hose unit from ceiling (313806217708) (9356563009) For remote control and...
  • Page 26 0709G3267...

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Arhf24lbtuAoha24laclAoha24lallAohb24laclAohb24lall

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