Fujitsu AOHA72LALT Service Manual Download Page 8

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FUSE

AC250V

20A

UL1015

AWG16

BLACK

UL1015

AWG16

BLACK

F301

AC250V

3.15A

UL1015

AWG16

GREEN

UL1430 AWG26 x 8

UL1430 AWG26 x 3

BROWN

RED

ORANGE

GRAY

VIOLET

BLUE

GREEN

YELLOW

ORANGE

RED

BROWN

RED

ORANGE
YELLOW

GREEN

BLUE

VIOLET

GRAY

WHITE

UL1430 AWG26 x 9

UL1430 AWG26 x 4

BROWN

RED

ORANGE
YELLOW

RED

WHITE

BLACK

UL1430 AWG22 x 3

UL1015 AWG16

GRAY

ORANGE

UL1015 AWG20 x 2

ORANGE

UL1015 AWG20 x 2

UL1015 AWG16

WHITE

UL1015

AWG16

BLACK

UL1015

AWG16

BLACK

UL1015

AWG16

BROWN

UL1015

AWG16

BROWN

UL1015

AWG16

YELLOW

UL1015

AWG16

YELLOW

UL1015

AWG16

BLUE

UL1015

AWG16

BLUE

UL1015

AWG16

ORANGE

UL1015

AWG16

ORANGE

UL1015

AWG16

VIOLET

UL1015

AWG16

VIOLET

UL1015 AWG16

WHITE

UL1015 AWG20

RED

FUSE HOLDER

HP-F2018-3-L2 ( T85 ) x 2

DRAIN PUMP

L I N

N I N

SERIAL

W301

BLACK

W303

RED

W302

WHITE

CN301

B2P3-VH-B-E

BLUE

UL1015

AWG16

GREEN

W304

GREEN

W305

BLACK

L OUT 1

N OUT 1

W307

WHITE

W306

BROWN

L OUT 2

N OUT 2

W308

GRAY

W309

ORANGE

W310

ORANGE

W311

ORANGE

W312

ORANGE

CN351

1971032-9

( G I C2.0-9P )

WHITE

CN352

1971032-4

( G I C2.0-4P )

WHITE

CT OUT

CN80

1971032-9

( G I C2.0-9P )

WHITE

CN81

1971032-4

( G I C2.0-4P )

WHITE

CT I N

FLASH

CN30

B08B-PASK

WHITE

TEST

CN60

B5B-PH-K-S

WHITE

CN140

B03B-XAKK

BLACK

CN70

1971032-5

( G I C2.0-5P )

WHITE

CN170

1971032-8

( G I C2.0-8P )

WHITE

W101

GREEN

CN161

B02B-PAMK

GREEN

CN160

B02B-PAOK

ORANGE

CN100

B2B-XH-AM

WHITE

CN101

B2B-XH-AM-BK

BLACK

CN102

B2B-XH-AM-R

RED

CN100

B2B-XH-AM

WHITE

CN120

B03B-XARK

RED

CN130

B07B-PASK

WHITE

CN31

B06BXASK

WHITE

CN180

B6BXA8K

RED

CN110

1971032-2

( G I C2.0-2P)

WHITE

CN111

2-1971032-2

( G I C2.0-2P)

BLUE

CN113

1-1971032-2

( G I C2.0-2P)

RED

FRESH AIR

HEATER

EX. OUT 1

EX. OUT 2

EX. OUT 3

EX. I N

FLOAT SWITCH

I NDICATOR PCB

P. S. C.

THERMISTOR ( PIPE - ENT. TEMP. )

THERMISTOR ( ROOM TEMP. )

REACTOR ASSY 1

L=6mH 14A

REACTOR ASSY 2

L=6mH 14A

DIODE BRIDGE 1

600V 25A

DIODE BRIDGE 2

600V 25A

CAPACITOR, ELEC. 1

450V/1200uF

CAPACITOR, ELEC. 2

450V/1200uF

THERMISTOR 1

ZPR0YCE400A300

THERMISTOR 2

ZPR0YCE400A300

DC FAN MOTOR 1

DC FAN MOTOR 2

CN500

B5P6-VH-B

WHITE

CN500

B5P6-VH-B

BLACK

F M 1

F M 2

F600

AC250V

3.15A

P I N 1

W500

YELLOW

N I N 1

W501

BLUE

P I N 2

W530

ORANGE

N I N 2

W531

VIOLET

CN250

1971032-8

( G I C2.0-8P )

WHITE

CN200

1971032-5

( G I C2.0-5P )

WHITE

DC OUT

DC I N

1
2
3

POWER SOURCE

AC230V

50Hz

TERMINAL

WIRED REMOTE CONTROL

TERMINAL

2
3

EARTH WIRE

FILTER PCB

K09AX-0900HSE-FL0

POWER SUPPLY PCB

K09AR-0900HSE-P0

MAIN PCB

ARHC72LHTA : K09AZ-0900HSE-C1

ARHC90LHTA : K09AZ-0901HSE-C1

CONTROL UNIT

ARHC72LHTA : EZ-0122WHSE

ARHC90LHTA : EZ-01221HSE

2013.01.29

INDOOR PCB CIRCUIT DIAGRAM

Summary of Contents for AOHA72LALT

Page 1: ...1 DIMENSIONS 2 CIRCUIT DIAGRAM 5 ERROR DETECTION 11 INDOOR PCB CIRCUIT DIAGRAM 6 OUTDOOR PCB CIRCUIT DIAGRAM 7 REFRIGERANT SYSTEM DIAGRAM 17 PARTS INDOOR UNIT 19 PARTS OUTDOOR UNIT 22 ACCESSORIES 27 Indoor unit Outdoor unit ARHC72LHTA AOHA72LALT ARHC90LHTA AOHA90LALT ...

Page 2: ...CIRCULATION OUTDOOR 4 300 m3 hr 4 850 m3 hr 9 300 m3 hr 10 700 m3 hr 9 300 m3 hr 10 800 m3 hr Discrimination MFG 90WVM MFE E4TVM High Medium INDOOR UNIT Fan 1 Fan 2 INDOOR UNIT OUTDOOR UNIT OUTDOOR UNIT 790 830 r p m Low 620 760 r p m 900 940 r p m 730 r p m Discrimination Cooling Heating 730 r p m MFG 90WVM MFE E4TVM 820 860 r p m 630 810 r p m 910 950 r p m 830 r p m 840 r p m H x W x D H x W x ...

Page 3: ...MENSIONS 2 2010 03 29 700 29 42 227 311 404 427 38 653 BOLT PITCH 50 25 50 25 65 15 450 370 15 35 350 P160x2 320 3 1250 149 81 60 49 1587 1410 BOLT PITCH 75 125 117 1450 1200 P150 X 7 1050 MAIN DRAIN PORT SAFETY DRAIN PORT FRONT VIEW SIDE VIEW R REAR VIEW SIDE VIEW L AIR FLOW TOP VIEW ...

Page 4: ...ARHC90LHTA unit mm FRONT VIEW REAR VIEW AIR FLOW SIDE VIEW L SIDE VIEW R TOP VIEW 550 470 15 65 25 50 25 50 15 35 350 P160X2 320 1250 1587 1410 BOLT PITCH 149 75 125 117 1450 1200 P150x7 1050 29 700 653 BOLT PITCH 81 42 327 411 504 527 60 49 SAFETY DRAIN PORT MAIN DRAIN PORT 38 ...

Page 5: ...Top view 690 Bolt pitch 530 Bolt pitch 732 Bolt pitch 8 12x17 Hole 765 930 1690 1576 1339 80 Front view A C B Right view Left view Rear view 2010 02 17 OUTDOOR UNIT unit mm 4 ...

Page 6: ...2010 02 18 OUTDOOR UNIT REFRIGERANT SYSTEM DIAGRAM INDOOR UNIT Heating flow Cooling flow 5 ...

Page 7: ...PRESSOR RESISTOR MAGNETIC RELAY 20A 250V TERMINAL EARTH EARTH POWER SOURCE L1 L2 L3 N 1 2 3 EX I N EX OUT MONITOR COMMUNICATION FLASH READ WRITE GREEN YELLOW MAIN PCB TERMINAL TO WIRED REMOTE CONTROL 3 2 1 TERMINAL 3 2 1 GREEN WHITE BLACK RED 3 4 2 1 5 6 7 8 3 4 2 1 5 6 7 8 3 2 1 3 2 1 CN140 CN30 W101 FLASH FUSE 20A 250V WHITE BLACK RED GREEN W301 W302 W303 W304 ORANGE ORANGE W309 W310 ORANGE ORAN...

Page 8: ...5 G I C2 0 5P WHITE CN170 1971032 8 G I C2 0 8P WHITE W101 GREEN CN161 B02B PAMK GREEN CN160 B02B PAOK ORANGE CN100 B2B XH AM WHITE CN101 B2B XH AM BK BLACK CN102 B2B XH AM R RED CN100 B2B XH AM WHITE CN120 B03B XARK RED CN130 B07B PASK WHITE CN31 B06BXASK WHITE CN180 B6BXA8K RED CN110 1971032 2 G I C2 0 2P WHITE CN111 2 1971032 2 G I C2 0 2P BLUE CN113 1 1971032 2 G I C2 0 2P RED FRESH AIR HEATER...

Page 9: ...L 1 V R100 330 1 10W R101 R102 10k 1 10W x 2 12V K100 G5NB 1A K102 G5NB 1A K101 G5NB 1A C89 0 1 F R80 R81 100k 1 10W x 2 C82 0 1 F C83 0 1 F R82 10k 1 10W R83 10k 1 10W C84 C85 0 1 F x 2 I C80 7 I C80 6 I C80 5 I C80 4 uLN2003ARD x 4 74 73 72 71 70 39 38 54 53 52 51 50 49 48 47 68 67 66 65 64 63 62 61 40 25 9 8 7 6 5 4 3 2 41 10 13 16 17 60 18 19 20 59 56 42 43 44 45 46 21 22 23 24 26 27 28 29 37 ...

Page 10: ...00351 31 x 2 D600 30PDA60 FA3 340V 2 15V 2 R530 R532 220k 1 3W 1 x 3 R533 R534 10k 1 10W 1 x 2 R546 220k 2W R547 220k 2W D1 D2 C533 10 50V C532 0 1 B L530 BL02Rn1 D531 PTZ24B R541 10k 1 10W 1 R538 9 1k 1 10W 1 R539 6 8k 1 4W R543 4 7k 1 10W C534 0 01 B C531 0 01 B R535 1 5k 1 10W R536 10k 1 10W 1 R537 4 7k 1 10W 1 I C530 2 BA2903F I C530 1 BA2903F I C530 3 BA2903F 5 6 7 3 2 1 8 4 VCC G V 5 6 7 3 2...

Page 11: ...CN352 1971032 4 G I C2 0 4P WHITE CN351 1971032 9 G I C2 0 9P WHITE 12V 5V PR1 K301 PR2 K302 SERIAL_I N SERIAL_I NT SERIAL_OUT DRAIN PUMP K303 GND 2 1 CN301 B2P3 VH B E BLUE N K303 3 L301 RCH3818 022PF07 L302 RCH3818 022PF07 C301 1 0 ECQU C304 0 01 ECQU C305 0 01 ECQU C307 1 0 ECQU SA301 RA 362M VA302 470V TNR R301 1 0M RN 1 2W VA301 470V TNR 2 3 4 1 2 1 3 4 5 1 3 4 4 3 5 1 W311 B ORANGE W312 B OR...

Page 12: ...1871843 3 G I C2 5 3P WHITE CN119 1 1871843 3 G I C2 5 3P RED CN141 1971032 6 G I C2 0 6P WHITE CN142 1 1971032 8 G I C2 0 8P RED CN143 1971032 4 G I C2 0 4P WHITE CN144 1971032 3 G I C2 0 3P WHITE CN803 1971200 1 G I C2 0 8P WHITE CN808 1971843 2 G I C2 5 2P WHITE CN807 BM807 GHS TBT WHITE FLASH U B TM806 RED V B TM807 WHITE W B TM808 BLACK P W804 RED N W805 WHITE W902 RED CN31 B03B XAKK 1 A BLAC...

Page 13: ...FH101 FH102 TP00351 31 x 2 R236 R238 220k 1 3W 1 x 3 R243 R240 10k 1 10W 1 x 2 R90 1 5k 1 10W R241 10k 1 10W 1 R89 R91 1 5k 1 10W x 2 I C115 2 BA2903F I C115 1 BA2903F I C115 3 BA2903F C165 0 1 F PC107 PS2561L 1 V 15V A C164 0 1 F R244 4 7k 1 10W 1 C259 0 01 B P_LV T101 ZTF 0417B I C113 TL431 I LP A 2 C 3 REF 1 3 4 1 2 10 9 7 3 2 5 19 18 14 13 12 2 3 1 16 5V R219 4 7k 1 4W D C166 0 1 F C117 150 35...

Page 14: ...N_TS P_AN_TPC 1 2 3 4 5 6 1 2 3 4 5 6 7 8 1 2 3 4 1 2 3 1 2 3 1 2 3 1 2 3 4 5 6 1 2 3 1 2 3 P_D I P_SEL P_D I P_SW2 P_D I P_SW3 P_D I P_SW4 P_SW PD P_SW MODE P_SW SEL P_SW_ENT P_LED_SEL1 P_LED_SEGA P_LED_SEL4 P_LED_SEL3 P_LED_SEL2 P_LED_SEGB P_LED_SEGF P_LED_SEGE P_LED_SEGD P_LED_SEGC P_LED_SEGG P_LED_SEGDP P_LED_G P_LED_R C194 C193 C187 C186 0 1 F x 4 R268 4 75k 1 10W 1 C189 0 1 F R262 4 75k 1 10...

Page 15: ...7k 1 10W R950 4 7k 1 10W C927 15p CH R953 4 7k 1 10W R945 47k 1 10W R952 4 7k 1 10W Q915 2SC4081 R Q914 2SC4081 R R951 4 7k 1 10W C954 0 1 F D903 PTZ24B C914 220 35V C917 0 47 B R916 330k R980 10k 1 10W C908 100 25V R915 39 1 2W D900 STTH112RL D908 ZP1027 D906 ZP1027 L802 BL02Rn1 15V 2 16 5V L805 BL02Rn1 20 21 22 23 24 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 GNDU ALMU V I NU VCCU GNDV A...

Page 16: ... W602 VA601 470V TNR N I N L3 I N W603 FH603 F602 SHV14 15A 400V BLACK L601 SC 10 55JH C601 1 0 ECQU C603 0 22 ECQU C604 0 010 ECQU C605 0 010 ECQU N OUT L3 OUT BLACK BLUE FH604 2 1 4 3 H 0017 2 x 2 POWER SOURCE FILTER PCB MAIN K07CH 0900HUE FL0 2013 01 30 15 OUTDOOR UNIT ...

Page 17: ... RC3V4730 010PF07 6 5 4 3 2 1 R501 R503 1 0M RN 1 2W x 3 SA501 RA 362M P501 AC500VBL1030A 25A PROTECTOR P502 AC500VBL1030A 25A PROTECTOR P503 AC500VBL1030A 25A PROTECTOR TM515 TM516 TM514 TM513 TM512 TM511 VA501 820V TNR VA502 820V TNR VA503 820V TNR VA506 VA505 VA504 470V TNR x 3 L3 I N L2 I N L1 I N W507 W501 W502 W503 E GREEN RED WHITE BLACK L502 RC3V4730 010PF07 5 3 1 6 4 2 3Phase 380 415V 50H...

Page 18: ...e sensor error 0C Outdoor discharge pipe temperature sensor error 0E Heat sink thermistor Inverter error 0F Discharge temperature error 11 Indoor unit distinction error 12 Indoor fan 1 error 15 Compressor temperature sensor error 16 Pressure switch error Pressure sensor error 17 IPM protection 18 Outdoor CT error 19 INV voltage protection 1A Compressor location error 1b Outdoor fan error 20 Indoor...

Page 19: ...Ex E 0C is displayed Discharge thermistor error If SELECT button SW108 is pressed in 2 contents of all the errors will display 3 Error 1 Error 2 Error 3 LED105 LED104 LED105 LED104 LED105 LED104 If ENTER button SW109 is pressed it will return to state of 1 If no action is taken it will return to the state of 1 after 60 seconds 4 CODE DESCRIPTION E 06 Outdoor heat exchanger thermistor outlet error ...

Page 20: ...7005 5 Panel Side L Sub Assy 72 Panel rear Sub Assy 90 Panel Side R Sub Assy 90 Panel Side L Sub Assy 90 9379738019 5 9379738002 6 Drain Pan Sub Assy 9379917001 7 Safety Drain Pan Sub Assy 9379918008 8 Ref Description Part number 8 9 Pipe Thermistor 9900558000 10 Room Thermistor 9900559007 11 Thermistor Bracket 313557406106 12 Control Box Cover 9379500005 Evaporator Total Assy 72 9379739016 Evapor...

Page 21: ...acket 9379502009 24 Motor Bracket Angle 9379565004 25 Cushion Rubber 9379670005 26 Motor Plate 9379445009 27 Fan motor 9602931019 28 Cushion Rubber Motor 9379501002 29 Motor Cover 9379503006 30 Kit Bell Mouth Sub Assy 9371382012 31 Sirocco Fan L 9364665054 32 Kit Casing Sub Assy 9371381015 21 24 23 27 26 28 29 30 30 32 31 25 22 ...

Page 22: ...troller PCB Assy 90 9708281025 43 Power Supply PCB Assy 9708279015 44 Filter PCB Assy 9708277011 45 Terminal 9900568009 46 Terminal 9900567002 47 Thermistor 9704265012 48 Reactor Assy 9900554019 50 Capacitor 9705387010 51 Capacitor Bracket 9373155010 49 Diode 0100122107 Remote Control 9318593013 51 50 43 45 46 47 49 44 42 41 48 ...

Page 23: ...8491014 15 Fan Guard 2013 02 27 PARTS OUTDOOR UNIT 22 9378498006 16 Propeller Fan 9378488007 Ref Description Part number 1 Base S Assy 9378454040 2 Base Foot FS Assy 9378856011 3 Base Foot RS Assy 9378856035 4 Net Right Sub Assy 9378927001 5 Net Left Sub Assy 9378928008 6 Net Rear Sub Assy 9378926011 7 Front Panel S 9378480018 11 10 7 8 9 5 15 16 14 2 4 3 6 1 13 12 Ref Description Part number ...

Page 24: ...otor 9602663002 24 Motor bracket Sub Assy 9378925007 25 Rear Panel S Sub Assy 9378921016 26 Left Panel Sub Assy 9378919006 27 Beam Bracket 9378473003 28 Front Beam S Sub Assy 9378922013 29 Center Beam S Sub Assy 9378924017 30 Condencer Sub Assy 9379053020 21 22 29 30 27 28 25 26 23 24 Ref Description Part number ...

Page 25: ...alve Assy 9379052023 38 Accumulator Sub Assy 9379221016 37 Joint Pipe Oil Separator B Assy 9378737051 39 Oil Return Valve C Assy 9378747067 40 Bracket SP 9379060004 Belt Heater 9361140271 Thermistor Assy 9900524005 Heat Exchanger Thermistor 9900562007 Outdoor Thermistor 2013 02 27 OUTDOOR UNIT 24 9900508005 31 35 34 32 33 38 37 36 39 40 Ref Description Part number ...

Page 26: ...028 43 Union Joint 9970091018 47 Sensor Low pressure 9900505035 Pressure Switch 2013 02 27 25 OUTDOOR UNIT 9900504038 Oil Return Valve A Assy 9378745025 Compressor Sub Assy 9379228022 Solenoid Valve 9900188030 52 Solenoid 9900189198 50 Solenoid 9900189204 48 49 51 41 44 43 43 45 46 42 48 50 51 51 52 47 49 Ref Description Part number ...

Page 27: ...tor PCB 9708737003 67 Filter Main PCB 9707753028 68 Filter Inverter PCB 9707754018 69 Terminal 9900569006 74 Magnetic Relay 9900566005 75 Bus Bar 9378834002 76 Diode Power 0001113013 77 Resistor 2010 11 01 26 0200441016 78 Resistor 0200444017 70 Capacitor Bracket 9379183000 71 Capacitor 9704268037 72 Reactor 9900468019 73 Reactor 9900545017 63 72 77 76 75 68 66 73 71 65 69 70 67 78 74 64 62 61 Ref...

Page 28: ...te control Binder Medium 1 For fixing the remote control cable Binder Small 2010 03 03 OUTDOOR UNIT ACCESSORIES INDOOR UNIT OPTIONAL PARTS 27 1 Exterior Parts name Model No Summary Wired remote control UTB TUD For dual remote controls Remote sensor UTD RS100 New amenity space can be of fered by installing the Remote sensor in the remote control External control set UTD ECS5A Use to connect various...

Page 29: ...1302G4196 ...

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