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General AOHA24LACL, Service Manual, Page: 1 / 26

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INVERTER SPLIT TYPE

AIR CONDITIONER (50Hz)

DUCT TYPE

C O N T E N T S

SPECIFICATIONS

. . . . . . . . . . . . . . . . . . .1

DIMENSIONS

. . . . . . . . . . . . . . . . . . . . . . 2

CIRCUIT DIAGRAM

. . . 4

REFRIGERANT SYSTEM DIAGRAM

. . . . . . . . . . . . . . . . . 5

ERROR CONTENTS

. . . . . 8

INDOOR PCB CIRCUIT DIAGRAM

. .14

OUTDOOR PCB CIRCUIT DIAGRAM

. . . . . . . . . . . . . . . .16

PARTS (indoor unit)

. . . . . . . . . . . . . . . . 18

PARTS (outdoor unit)

. . . . . . . . . . . . . . . 21

ACCESSORIES

. . . . . . . . . . . . . . . . . . . 24

Indoor unit

Outdoor unit

ARHA24LATU

ARHA24LATU

ARHA24LATU

ARHA24LATU

ARHF24LBTU

ARHF24LBTU

AOHA24LACL

AOHA24LALL

AOHB24LACL

AOHB24LALL

AOHA24LALL

AOHB24LALL

Summary of Contents for AOHA24LACL

Page 1: ...ERANT SYSTEM DIAGRAM 5 ERROR CONTENTS 8 INDOOR PCB CIRCUIT DIAGRAM 14 OUTDOOR PCB CIRCUIT DIAGRAM 16 PARTS indoor unit 18 PARTS outdoor unit 21 ACCESSORIES 24 Indoor unit Outdoor unit ARHA24LATU ARHA24LATU ARHA24LATU ARHA24LATU ARHF24LBTU ARHF24LBTU AOHA24LACL AOHA24LALL AOHB24LACL AOHB24LALL AOHA24LALL AOHB24LALL ...

Page 2: ...oor unit 578 x 790 x 315 mm WEIGHT Indoor unit 45 kg 38 kg Gross Net Outdoor unit 48 kg 44 kg ELECTRICAL DATA COMPRESSOR AND REFRIGERANT Note The above list shows values at the external static pressure of 30Pa setting the fan speed high notch indoor unit Note The above list shows values at the external static pressure of 30Pa setting the fan speed high notch indoor unit AIR FLOW INDOOR UNIT 1 100 ...

Page 3: ...DIMENSIONS Unit mm INDOOR UNIT 2008 06 26 2 1 135 1 177 1 015 139 264 264 264 107 32 114 66 32 54 240 281 168 283 477 700 173 161 40 39 240 132 240 16 121 270 ...

Page 4: ...OUTDOOR UNIT Unit mm 2006 09 29 3 Top view Front view Side view Bottom view Drain pipe mounting place 20 189 177 347 540 315 66 790 121 578 320 10 184 4 10mm hole Air flow ...

Page 5: ...uffler Expansion valve Compressor Accumulator Heat exchanger Heat exchanger Cool Heat THERMISTOR COMPRESSOR TEP THERMISTOR PIPE TEP THERMISTOR ROOM TEP THERMISTOR DISCHARGE TEP THERMISTOR HEAT EXCHANGER MED TEP THERMISTOR HEAT EXCHANGER OUT TEP THERMISTOR OUTDOOR TEP Refrigerant pipe diameter Liquid 1 4 6 35 mm Gas 5 8 15 88 mm ...

Page 6: ...4 5 6 7 8 1 2 3 4 5 6 1 2 3 4 5 6 1 2 1 2 3 4 5 6 7 1 2 3 1 2 3 1 2 1 2 1 2 3 1 2 3 4 5 1 2 3 4 5 1 2 1 2 1 2 1 2 CN7 CN8 CN5 CN4 CN1 CN104 CN101 CN102 CN103 CN108 E101 E102 W105 W101 W102 CN106 CN105 CN10 CN11 CN9 CN12 CN14 CN13 CN6 CN3 TERMINAL TERMINAL TO REMOTE CONTROL TO OUTDOOR UNIT COIL ROOM THERMISTOR PIPE THERMISTOR 1 2 3 1 2 3 CONTROLLER PCB ASSY MAIN PCB F101 FUSE 3 15A 250V POWER SUPPL...

Page 7: ... 2 3 1 2 3 4 5 1 2 3 4 5 1 2 3 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 8 GREEN YELLOW GREEN GREEN WHITE WHITE CN101 W105 W102 W101 CN108 CN103 CN102 CN104 E101 E102 CN105 CN106 CN4 CN1 CN5 CN7 CN8 CN12 CN11 CN9 CN10 CN6 CN14 CN13 CN3 TERMISTOR PIPE TEMP TERMISTOR ROOM TEMP TERMINAL TERMINAL F101 1 2 3 1 2 3 TO OUTDOOR UNIT TO REMOTE CONTROL COIL FUSE 3 15A 250V F M FAN MOTOR CONT...

Page 8: ...6 1 2 3 1 2 3 1 2 3 1 2 3 1 2 1 2 1 2 1 2 1 2 3 4 1 2 3 4 1 2 1 2 1 2 3 1 2 3 RED WHITE BLACK CN71 CN73 CN72 CN70 W4 W2 W1 W3 W11 W10 CN40 CN801 W7 W8 W9 CN30 4 WAY VALVE 4WV PMV F M S S C T R R FAN MOTOR EXPANSION VALVE COMPRESSOR C M REACTOR PIPE THERMISTOR DISCHARGE PIPE THERMISTOR COMPRESSOR THERMISTOR PIPE MID THERMISTOR OUTDOOR THERMISTOR FUSE 250V 5A TERMINAL TO INDOOR UNIT POWER SOURCE 2 N...

Page 9: ...1 5 CN12 1 CN12 2 CN12 3 CN12 4 CN12 5 CN9 1 CN9 2 CN9 3 CN14 1 CN14 2 CN14 3 CN13 1 CN13 2 CN13 3 CN13 4 CN13 5 CN13 6 CN5 1 CN5 2 CN13 7 CN7 1 CN7 2 CN8 1 CN8 2 CN6 1 CN6 2 CN10 1 CN10 2 ROOM THERMISTOR PIPE MID THERMISTOR REMOTE CONTROL TERMINAL BOARD 1 2 3 EARTH WIRE W105 W102 W101 3 2 N 1 TERMINAL BOARD OUTDOOR UNIT F M DC FAN MOTOR NORMAL COIL E I B I N E I B OUT DRAIN PUMP FLOAT SWITCH HEAT...

Page 10: ... 3 C37 0 1 F 1000P R x 3 C35 C12 C11 R67 1 0K 1 10W 5V 1 0K 1 10W X 3 R63 R64 R65 10K 1 10W x 4 R66 R32 R23 R24 13 5V R26 10K 1 10W R25 1 0K 1 10W 5V C14 1000P R C16 0 01 F R29 390 1 10W R28 10K 1 10W 3 2 1 Q1 DTC124EKA C15 0 01 F 5V 5V C17 0 01 F C18 0 01 B R27 330 1 10W R31 10K 1 10W R34 1 0K 1 10W R30 10K 1 10W R33 10K 1 10W Q2 DTC124EKA BZ1 PKM13EPYH 4000 A0 R36 0R0 R35 1 0K 1 10W 13 5V R47 39...

Page 11: ... 2 10 12 L N K102 G5NB 1A 13 5V RC101 120 0 2 CN106 B2P3 VH B E DRAIN PUMP 2 1 IC26 10 IC26 14 1 3 4 2 2 1 3 2 1 C116 0 01 B 5V R112 330 1 10W L102 BLm18 AG601 I C101 TLP621 GB L103 BLm18 AG601 4 3 1 2 4 2 3 1 K101 G5NB 1A 13 5V CN103 B2B XH AM E I B OUT E I B I N CN102 B3B XH AM IC26 14 IC26 10 8 7 6 5 4 3 2 1 13 5V C120 0 1 F C121 0 1 F 5V DC SUPPLY CN101 B03B PASK 1 1 2 3 C101 0 22 LE LF101 ELF...

Page 12: ...13 2 CN13 3 CN13 4 CN13 5 CN13 6 CN5 1 CN5 2 CN13 7 CN7 1 CN7 2 CN8 1 CN8 2 CN6 1 CN6 2 CN10 1 CN10 2 THERMISTOR ROOM TEMP THERMISTOR PIPE MID TEMP REMOTE CONTROL UNIT TERMINAL BOARD 1 2 3 EARTH WIRE W105 W102 W101 3 2 N 1 TERMINAL BOARD OUTDOOR UNIT F M DC FAN MOTOR ARHF22 24LBTU only NORMAL COIL 22mH 2 2A E I B I N E I B OUT DRAIN PUMP FLOAT SWITCH HEATER FRESH AIR DC SUPPLY POWER DRIVE EMI FILT...

Page 13: ...DTC124EKA R70 10K 1 10W 1 2 3 C37 0 1 F 1000P R x 3 C35 C12 C11 R67 1 0K 1 10W 5V 1 0K 1 10W X 3 R63 R64 R65 10K 1 10W x 3 R66 R32 R23 R24 13 5V R26 10K 1 10W R25 1 0K 1 10W 5V C14 1000P R C16 0 01 F R29 390 1 10W R28 10K 1 10W 3 2 1 Q1 DTC124EKA C15 0 01 F 5V 5V C17 0 01 F C18 0 01 B R27 330 1 10W R31 10K 1 10W R34 1 0K 1 10W R30 10K 1 10W R33 10K 1 10W Q2 DTC124EKA BZ1 PKM13EPYH 4000 A0 R36 0R0 ...

Page 14: ... 2 10 12 L N K102 G5NB 1A 13 5V RC101 120 0 2 CN106 B2P3 VH B E DRAIN PUMP 2 1 IC26 10 IC26 14 1 3 4 2 2 1 3 2 1 C116 0 01 B 5V R112 330 1 10W L102 BLm18 AG601 I C101 TLP621 GB L103 BLm18 AG601 4 3 1 2 4 2 3 1 K101 G5NB 1A 13 5V CN103 B2B XH AM E I B OUT E I B I N CN102 B3B XH AM IC26 14 IC26 10 8 7 6 5 4 3 2 1 13 5V C120 0 1 F C121 0 1 F 5V DC SUPPLY CN101 B03B PASK 1 1 2 3 C101 0 22 LE LF101 ELF...

Page 15: ...2 3 1 2 3 4 5 6 1 2 3 4 5 6 CN71 B04B PASK 1 WHITE 1 2 3 4 CN70 B03B PASK 1 WHITE 1 2 3 CN73 B02B XAMK 1 A GREEN 1 2 CN72 B02B XH AM WHITE 1 2 BLACK BLACK BROWN BROWN BLACK BLACK BLACK BLACK BROWN BROWN DISCHARGE THERMISTOR PIPE THERMISTOR OUTDOOR THERMISTOR COMPRESSOR THERMISTOR PIPE MID THERMISTOR DC FAN MOTOR EXPANSION VALVE MOTOR F M M C M 1 2 3 4 5 L N SERIAL TO INDOOR UNIT POWER SOURCE AC230...

Page 16: ...V D203 HZ24BP TK E R200 39 1 2W D200 D202 U1JU44 x 3 DCV R203 330K C205 0 1 F C204 47 35V R202 330K C203 0 1 F C202 47 35V R201 330K C201 0 1 F C200 47 35V DCV F F100 GDT 15A 250V FH2 FH1 F4 FSL 3 15A 250V R104 220K 2W C100 C102 660uF 450V x 3 5V C103 0 1 HCP R102 47K D102 1NH42 R103 100 1 2W Q100 GT30J122 L130 ELC0607RA 1 3 2 1 2 6 4 5 7 3 GATIN S I D I NC VCC SO GND 5V 2 C140 0 1 F C139 2 2 50V ...

Page 17: ...ure sensor error 2 way valve temperature sensor error 3 way valve temperature sensor error Outdoor heat exchanger temperature sensor middle error Indoor manual auto switch abnormal Power supply frequency detection error IPM protection CT error Compressor location error Outdoor fan error Connected indoor unit abnormal Outdoor unit computer communication error Indoor fan abnormal Discharge temperatu...

Page 18: ...on malfunction PAM voltage abnormality Timer short Compressor temperature protection permanent stop PFC surge protection permanent stop Fan malfunction LED on 0 1 sec off 0 1 sec on on 0 5 sec off 0 5 sec on 2 0 sec off 2 0 sec on 0 1 sec off 2 0 sec on 5 0 sec off 0 1 sec on 1 0 sec off 1 0 sec on 2 0 sec off 5 0 sec on 5 0 sec off 2 0 sec on 5 0 sec off 5 0 sec ...

Page 19: ... Cabinet L Sub Assy 9374509010 9 Cabinet R Sub Assy 9374508013 1 Intake Cover Sub Assy 9374512010 6 Outlet Panel Sub Assy 9374510016 5 Evaporator Assy 9374518012 3 Drain Pan Sub Assy 9374513017 2 Main Panel Sub Assy 9374511013 11 Intake Frame Assy 9374216017 4 Drain Cap 9356541007 8 Bracket pipe Sub Assy 9374514014 Ref Description Part number ...

Page 20: ...ssy A 9374230020 24 Sirocco Fan Assy 9356531039 29 Rubber 9385102002 21 Base Sub Assy 9374504015 22 Separate Wall Assy 9374228010 30 Bracket Eva R 9374207015 28 Motor Induction 9602433018 26 Bracket Motor Assy B 9358591000 27 Bracket Motor C 9358594001 Ref Description Part number Bracket Eva L 9374208012 ...

Page 21: ...019 34 Terminal 3P 9703345012 35 Terminal 3P 9306489045 36 Power Supply PCB Assy LATU 9707398045 31 Controller PCB Assy LBTU 9707393491 36 Power Supply PCB Assy LBTU 9707398144 37 Reactor Assy 9707457018 Room Thermistor 9703299025 Pipe Thermistor 9703297021 Remote Control 9372266199 Wire Assembly 9372714010 Ref Description Part number ...

Page 22: ... Panel Assy 3 Cabinet Assy 4 Blow Down Grille 5 Cabinet Right Assy 6 Fan Ring 7 Grip 9 Protective Net 8 Emblem 2 Cover Switch Assy 9309230057 9314809019 9309237032 9308884015 9309236028 9308885012 9308880017 9315033017 9315211019 Ref Description Part number ...

Page 23: ...2 2 Way Valve Assy 32 Expansion Valve Coil 34 Fan Motor 35 Compressor Assy Reactor Assy 39 Solenoid Coil 41 Thermistor Assy 37 38 Heat Exchanger Thermistor Outdoor Thermistor Ref Description Part number 40 Compressor Thermistor 9900163013 9315310019 9315302014 9900403010 313728262708 9357804002 9309909014 9304902003 9308872029 9312971015 9315296030 9315414014 9313062019 9900057039 9602451012 93152...

Page 24: ... 26 Inverter PCB Assy AOHA 29 Fuse Terminal 42 30 Fuse 27 Fuse Holder 28 Fuse Holder Ref Description Part number Inverter Case Assy 43 9707427028 26 Inverter PCB Assy AOHB 9707427127 0600382018 9703874031 0600372163 0501454012 0501456016 9315690012 ...

Page 25: ...quare duct and round duct use the optional square flange or round flange and flexible duct Square flange Round flange Model name UTD SF045T P N 9098180007 Model name UTD RF204 P N 9093160004 Flexible duct Long life filter Model name UTD RD202 P N 9074165004 Model name UTD LF25NA P N 9079892004 Remote sensor Model name UTD RS100 P N 9072619004 External control set Model name UTD ECS5A P N 907735900...

Page 26: ...0709G3267 ...

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