Fujitsu AOHA12LACL Service Manual Download Page 1

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INVERTER SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT TYPE

CONTENTS

SPECIFICATIONS

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

DIMENSIONS

. . . . . . . . . . . . . . . . . . . . . . . .3

CIRCUIT DIAGRAM

. . . . . 5

REFRIGERANT SYSTEM DIAGRAM

. . . . . . . . . . . . . . . . . . .6

ERROR CONTENTS

. . . . . . .7

INDOOR PCB CIRCUIT DIAGRAM

. . . .10

OUTDOOR PCB CIRCUIT DIAGRAM

. . . . . . . . . . . . . . . . .12

PARTS (INDOOR UNIT)

. . . . . . . . . . . . . . 14

PARTS (OUTDOOR UNIT)

. . . . . . . . . . . .17

ACCESSORIES

. . . . . . . . . . . . . . . . . . . . . 20

Indoor unit

Outdoor unit

ARHF12LALU
ARHF12LALU
ARHF14LALU
ARHF14LALU
ARHF18LALU
ARHF18LALU

AOHA12LACL
AOHA12LALL
AOHA14LACL
AOHA14LALL
AOHA18LACL
AOHA18LALL

Summary of Contents for AOHA12LACL

Page 1: ...ERANT SYSTEM DIAGRAM 6 ERROR CONTENTS 7 INDOOR PCB CIRCUIT DIAGRAM 10 OUTDOOR PCB CIRCUIT DIAGRAM 12 PARTS INDOOR UNIT 14 PARTS OUTDOOR UNIT 17 ACCESSORIES 20 Indoor unit Outdoor unit ARHF12LALU ARHF12LALU ARHF14LALU ARHF14LALU ARHF18LALU ARHF18LALU AOHA12LACL AOHA12LALL AOHA14LACL AOHA14LALL AOHA18LACL AOHA18LALL ...

Page 2: ... high notch indoor unit AIR FLOW INDOOR UNIT 720 m3 h OUTDOOR UNIT 1 780 m3 h High Med 630 m3 h Low Quiet 560 m3 h 480 m3 h Cooling Heating 1 630 m3 h Inverter Cool Heat ARHF18LALU AOHA18LA_L 5 20 kW 6 00 kW 230 V 50 Hz 7 1 A 7 3 A 1 62 kW 1 66 kW 3 21 kW kW 3 61 kW kW 7 7 A 2 0 L hr MFH 24RVL 1 040 r p m 950 r p m 840 r p m 740 r p m 820 r p m MFE 18ROM 860 r p m 820 m3 h 2 000 m3 h 720 m3 h 610 ...

Page 3: ...50 g MAXIMUM PIPE HEIGHT 15 m ADDITIONAL CHARGE 20 g m NOISE LEVEL High speed 32 dB INDOOR UNIT Med speed 30 dB Low speed Quiet Cooling Heating 28 dB 26 dB 47 dB 48 dB ARHF14LALU AOHA14LA_L 1 250 g 217 x 953 x 595 mm 578 x 790 x 300 mm 27 kg 23 kg 44 kg 40 kg 1 250 g 1 350 g 1 450 g 15 m 20 g m 33 dB 31 dB 29 dB 27 dB 49 dB 49 dB ARHF18LALU AOHA18LA_L 1 250 g 1 250 g 1 350 g 1 450 g 15 m 20 g m 33...

Page 4: ...DIMENSIONS Unit mm Drain pipe diameters Inside 21 5 mm Outside 26 0 mm INDOOR UNIT 886 850 953 920 600 390 150 217 605 575 20 2008 05 02 3 ...

Page 5: ...OUTDOOR UNIT Unit mm Top view Front view Side view Bottom view Drain pipe mounting place 20 189 177 347 540 300 66 790 121 578 320 10 184 4 10mm hole Air flow 2007 08 31 4 ...

Page 6: ...t exchanger Heat exchanger Cool Refrigerant direction Heat THERMISTOR COMPRESSOR THERMISTOR PIPE THERMISTOR ROOM THERMISTOR DISCHARGE THERMISTOR HEAT EXCHANGER MED THERMISTOR HEAT EXCHANGER OUT THERMISTOR OUTDOOR AIR Refrigerant pipe diameter ARHF12LALU AOHA12LA_L Liquid 1 4 6 35 mm Gas 3 8 9 52 mm ARHF14LALU AOHA14LA_L ARHF18LALU AOHA18LA_L Liquid 1 4 6 35 mm Gas 1 2 12 70 mm ...

Page 7: ... FUSE 250V 5A TERMINAL POWER SOURCE 2 N 1 3 L N FUSE 250V 20A CONTROLLER PCB ASSY MAIN PCB 2008 07 31 6 INDOOR UNIT OUTDOOR UNIT CIRCUIT DIAGRAM GRAY GRAY BLACK BLACK WHITE BLACK RED WHITE BLACK RED GRAY GRAY GRAY GRAY GRAY GRAY GRAY GRAY GRAY GRAY GRAY GREEN GREEN GREEN YELLOW YELLOW BROWN WHITE BLACK RED 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 1 2 3 1 2 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 ...

Page 8: ...N6 2 CN10 1 CN10 2 THERMISTOR ROOM TEMP THERMISTOR PIPE MID TEMP REMOTE CONTROL UNIT TERMINAL BOARD 3 2 1 EARTH WIRE W105 W102 W101 3 2 N 1 TERMINAL BOARD OUTDOOR UNIT F M DC FAN MOTOR E I B I N E I B OUT DRAIN PUMP FLOAT SWITCH HEATER FRESH AIR DC SUPPLY POWER DRIVE EMI FILTER ZCAT1518 0730 2 T CN1 B03B PASK 1 WHITE CN4 B08B PASK 1 WHITE CN3 B06B PASK 1 WHITE CN2 B5P SHF 1AA WHITE CN106 B2P3 VH B...

Page 9: ...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 R35 1 0K 1 10W 13 5V R47 390 1...

Page 10: ...115 0 01 KH 8 7 6 5 3 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 R113 330 1 10W CN103 B2B XH AM 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 4 3 1 ...

Page 11: ...IPE MID TEMP 1 2 3 4 1 2 3 1 2 1 2 1 2 3 1 2 3 4 5 6 1 2 3 4 5 6 CN30 B2P3 VH B C BLACK CN801 B5P6 VH B L WHITE CN40 B6B XARK 1 A RED B W7 B W8 B W9 W V U W6 W5 UL1015 AWG14 ORANGE UL3271 AWG14 RED UL3271 AWG14 WHITE B W10 B W11 B W1 B W2 B W4 B W3 EMI FILTER B ATFC 25 15 12 1 TURN EMI FILTER A ATFC 25 15 12 2 TURN F201 20A 250V TERMINAL BOARD F202 5A 250V W103 UL1015 AWG20 BLACK W100 UL1015 AWG20...

Page 12: ...1 330K C201 0 1 F C200 47 35V DCV F F100 GDT 250 15 15A 250V FH2 FH1 F4 FSL 250 3 15 EM 3 15A 250V R104 220K 2W C100 C102 LLQ2W661KEUBGC 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 R121 100K 1 15V I C103 2 BA4560 C119 C120 0 1 F x 2 12V I C103 1 BA4560 R126 100K 1 C117 1 0...

Page 13: ...ve 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 temperature error Exessive high pre...

Page 14: ...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 0 1 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 15: ... Assy 9364505022 3 Side Panel L Sub Assy 9364506029 ARHF18LALU 9364508023 9366833017 9373255024 9373034254 9364502069 9363195002 9703297090 9363404005 9363199000 9363198003 9364505022 9364506029 ARHF12LALU Ref Description Part number 14 Cabinet Cover Sub Assy 9364503028 9364503028 Outlet Eva Assy 9372978047 Drain Cap Assy 9377878014 9377878014 Coupling Pipe Assy 9373038467 9364508023 9366833017 93...

Page 16: ...5258006 28 Rubber Vibration proof 9385102002 23 Casing Assy 9363322002 25 Motor Fixing Table Assy 9358591000 22 Panel Assy Motor 9363401004 26 Fan Motor Assy 9602401017 29 Room Thermistor 9703299018 27 Motor Fixture 9358594001 21 Top Panel Sub Assy 9364507026 Ref Description Part number ...

Page 17: ...minal 33 Power Supply PCB Assy Ref Description Part number 9707393378 32 Controller PCB Assy 14 9707393385 32 Controller PCB Assy 18 9707393392 9375240035 9703345012 9306489045 9707398038 Wire Hole Cover Remote Control 9372714010 9378176010 Cap Power 9352173011 9372266199 Control Box Cover 9363201000 ...

Page 18: ... Panel Assy 3 Cabinet Assy 4 Blow Down Grille 5 Cabinet Right Assy 6 Fan Ring 7 Grip 9 Protective Net 8 Emblem 9309230057 9314809040 2 Cover Switch Assy 9309237032 9308884015 9309236011 9308885012 9308880017 9315319012 9315211019 Ref Description Part number ...

Page 19: ...y Valve Assy 22 2 Way Valve Assy 32 Expansion Valve Coil 34 Fan Motor 35 Compressor Assy Reactor Assy 39 Solenoid Coil 41 Thermistor Assy 37 9900047016 9311641018 9311382027 38 Heat Exchanger Thermistor 9900403010 313728262708 9300089012 9309909014 9304902003 9308872012 9312971015 9308869081 9970092015 9970093012 9900057039 9602133017 9313763039 9970033018 9900354015 9900148027 Outdoor Thermistor ...

Page 20: ...B Assy 12 29 Fuse Terminal 42 30 Fuse 27 Fuse Holder 28 Fuse Holder Ref Description Part number 9707427035 26 Inverter PCB Assy 14 9707427042 26 Inverter PCB Assy 18 9707427011 0600382018 9703874031 Inverter Case Assy 43 9315690012 0600372163 0501454012 0501456016 ...

Page 21: ...cation Installation template 1 For positioning the indoor unit P N 9364225005 Hanger 4 For suspending the indoor unit from ceiling P N 9363195002 Screw M4 x 10 8 For installing the hanger P N 0700009037 Special nut A large flange 4 For suspending the indoor unit from ceiling P N 313005446653 P N 313005446759 Special nut B small flange 4 Binder Small 1 For remote control and cord binding P N 313361...

Page 22: ...0805G3478 ...

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