Fujitsu ARHF09LALU, AOHA18LAT3, AOHA24LAT3 Service Manual

INVERTER MULTI AIR CONDITIONER

DUCT TYPE

Indoor unit Outdoor unit

ARHF09LALU AOHA18LAT3

ARHF09LALU AOHA24LAT3

CONTENTS

SPECIFICATIONS

. . . . . . . . . . . . . . . . . . . .

1

OUTLINE AND DIMENSIONS

. . . . . . . . . . .

3

REFRIGERANT SYSTEM DIAGRAM

. . . . .

5

ERROR CONTENTS

. . . . . . . . . . . . . . . . .

13

CIRCUIT DIAGRAM

. . . . . . . . . . . . . . . . . . .

6

INDOOR PCB CIRCUIT DIAGRAM

. . . . . . .

7

OUTDOOR PCB CIRCUIT DIAGRAM

. . . .

10

PARTS (indoor unit)

. . . . . . . . . . . . . . . . . .

15

PARTS (outdoor unit)

. . . . . . . . . . . . . . . . .

18

ACCESSORIES

. . . . . . . . . . . . . . . . . . . . .

21

2.7 kW

3.3 kW

ELECTRICAL DATA

INDOOR UNIT

MEASUREMENT

Note : Static pressure : 0 pa Duct length : Inlet 1m, Outlet 2m (indoor unit)

DIMENSIONS

230 V

HIGH SPEED

DISCRIMINATION

MIDDLE

LOW

H x W x D

217 x 663 x 595 mm

FAN MOTOR

WEIGHT

Gross / Net

22 kg / 18 kg

1,010 r.p.m.

950 r.p.m.

MFG-09TVL

880 r.p.m.

QUIET

MIDDLE

QUIET

830 r.p.m.

1.0 L/hr

480 m3/hr

12008.04.30

SPECIFICATIONS

COOLING CAPACITY

HEATING CAPACITY

MOISTURE REMOVAL

AIR CIRCULATION HIGH

POWER SOURCE

FAN SPEED

COOL & HEAT MULTI

ARHF09LALU

TYPE

MODEL NAME

230 V

50 Hz

POWER SOURCE

FREQUENCY

HIGH

LOW

NOISE LEVEL

31 dB

35 dB

30 dB

33 dB

22008.05.09

Total pipe length

FULL CHARGE AMOUNT

MODEL NAME

COOLING CAPACITY

HEATING CAPACITY

POWER SUPPLY

FREQUENCY

RUNNING CURRENT

INPUT

EER

AIR CIRCULATION HIGH

ELECTRICAL SPECIFICATIONS

COMPRESSOR AND REFRIGERANT

MEASUREMENT

FAN MOTOR

TYPE

DISCRIMINATION

WEIGHT (with oil)

(220V) - 230V - (240V)

DA150A1F-20NA

REFRIGERANT TYPE

PRECHARGED REFRIGERANT

R410A

2,200 g

10.0 kg

Cooling

Heating

Cooling

Heating

Cooling

Heating

TYPE

Colling & Heating

AOHA18LAT3

5.4 kW

6.8 kW

5.9 A

7.1 A

1.35 kW

1.62 kW

4.00 kW/kW

4.20 kW/kW

50 Hz

3,050 m3/hr

Hermetic type, Inverter, 4 poles,

3-phase, DC motor, Twin Rotary

MAX PIPE LENGTH (each unit)

MAX PIPE LENGTH (total)

30 m

40 m

50 m

CHARGELESS

ADDITIONAL CHARGE

2,200 g

2,400 g

2,600 g

20 g/m

30 m

25 m

MIN. PIPE LENGTH (each unit)

5 m

50 m

MAX ELEVATION (between indoor units)

10 m

MAX ELEVATION (between indoor and outdoor)

15 m

700 x 900 x 330 mm

55 kg / 63 kg

OUTDOOR UNIT

WEIGHT

DIMENSIONS

MFE-60PO

660 r.p.m.

H x W x D

Net / Gross

HIGH SPEED (HEAT)

730 r.p.m.

AOHA24LAT3

6.8 kW

8.0 kW

8.5 A

8.8 A

1.94 kW

2.00 kW

3.50 kW/kW

4.00 kW/kW

3,300 m3/hr

780 r.p.m.

HIGH SPEED (COOL)

DISCRIMINATION

OUTLINE AND DIMENSIONS

596

560

663

630

400

390

150

217

605

57520

Unit : mm

Drain pipe diameter Inside : 21.5 mm Outside : 26.0 mm

INDOOR UNIT

3

2008.04.21

42008.04.21

(Unit : mm)

OUTDOOR UNIT

Air Flow

40

900

700

21

9

400

330

31

12

370

650

REFRIGERANT SYSTEM DIAGRAM

52008.04.21

OUTDOOR UNIT

INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C

Room Thermistor

Discharge thermistor

Pressure switch (A)

Pressure switch (B)

Compressor

Accumulator

Mufller

Strainer

3-way valve

2-way valve

Heat exchanger

Room Thermistor

Strainer

Expansion valve

4-way valve

HEAT COOL

Heat exchanger

Receiver tank

Room Thermistor

Strainer

Distributor

Pipe Thermistor

Heat exchanger

GRAY

BLACK

WHITE BLACK

RED

WHITE BLACK

RED

GRAY

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 3 4 5 6

1 2 3 4 5 6 7

8 8

1 2 3 4 5

1 2 3

1 2

3 4 5 6 7 8

1 2

3 4 5 6 7 8

1 2

3 4 5 6 7 8

1 2

3 4 5 6 7 8

1 2

3

1 2

3

1 231 2

1 2 3

123

1 2

1 2 1 2 1 2

CN12

CN11

CN9

CN10

CN4

CN1

CN6

CN14

CN13

CN3

CN5 CN7 CN8

CN104 CN101

CN102 CN103

CN105

CN106

E101 E102

W105 W102 W102

TERMINAL

TO REMOTE CONTROL UNIT

FAN MOTOR

F M

TERMISTOR ( PIPE TEMP. )

TERMISTOR ( ROOM TEMP. )

1

2 3

1

2 3

POWER SUPPLY

PCB ASSY

CONTROLLER

PCB ASSY

( MAIN PCB )

2008.03.18 6

INDOOR UNIT OUTDOOR UNIT

CIRCUIT DIAGRAM

1 2 3 4 5

CN2

1 2 3 4 5 6

CN15

ACTIVE FILTER MODULE

CN800 WHITE

U

W305

V

W304

W

W303

W17 W16

CN25

BLACK

CN26

GREEN

CN23 BLUE

CN22

RED

CN21

YELLOW

CN30

WHITE

SW150

CN34

YELLOW

CN1

WHITE

CN407 WHITE

TM102 TM101

W3

W6

W7

W4 W5

W8 W9

CN1

W11 W10

W200

W201 W202

CN37

RED

CN36

WHITE

CN27

RED

CN39

WHITE

CN40

WHITE

CN50

WHITE

CN51

WHITE

GREEN

WHITE

RED

WHITE

AC I N

W12 YELLOW

W13 BLUE

BROWN

WHITE

BLACK

WHITE

BLACK

RED

YELLOW

PINK

BLACK GREEN GREEN GREEN GREEN GREEN

BLACK WHITE WHITE WHITE WHITE WHITE

BLACK RED RED RED RED RED RED RED

BLACK WHITE WHITE WHITE WHITE WHITE WHITE

WHITE

RED BROWN BLUE ORANGE YELLOW WHITE

WHITE WHITE

RED RED

BLACK

YELLOW ORANGE RED BROWN

BLACK

WHITE

GREEN

WHITE

BLACK

BROWN

RED

BLACK

BLUE

BROWN

BLACK

BROWN

YELLOW

WHITE

BLACK

RED

BLACK

RED

WHITE

BLACK

RED

1

2 3 4 5 6 7 1 2 1 2 1 2 1 2 1 2

1 2 3

1 3 4

3 2 1

1

2 3 4 5

6

2

3

1

RED BROWN BLUE ORANGE YELLOW WHITE

1 2 3 4 5 6 7 8

1 2 4 5 6 7 8 9

1 3 4 5 6 7 8 9

1 2 3 4 5 6 7 8

1 2 3 4 5 6

1 2

1 2 3 4 5 6

1 3 4 5 6 7

1 2 4 5 6 7

3 2 1

TERMINAL

L N

FUSE

250V

25V

EMI FILTER

2T

LED1 D150

LED3

D152

LED2

D151

F2 FUSE

T 3.15A 250V

EMI FILTER

2T

EMI FILTER EMI FILTER

FUSE

250V 10A

TERMINAL

1 2 3

1 2 3 1 2 3

UNIT A

UNIT C

UNIT B

TERMINAL

CHOKE COIL

DIODE BRIDGE

I P M

+

-

C M

DC COMPRESSOR

DC FAN MOTOR

F M

4WV

4-WAY VALVE

CONSTRUCTION CHECK SWITCH

F2 FUSE

T 5A 250V

3 2 1

SW1

CURRENT CHANGE

PRESSURE SWITCH 1

PRESSURE SWITCH 2

E V

EXPANSION VALVE A

EXPANSION VALVE B

EXPANSION VALVE C

E V

2WV-C

3WV-C

2WV-A

3WV-A

2WV-B

3WV-B

DISCHARGE TEMP.

THERMISTOR

PIPE TEMP.

THERMISTOR

OUTDOOR TEMP.

THERMISTOR

COMPRESSOR TEMP.

THERMISTOR

HEAT SINK TEMP.

THERMISTOR

C ( T )

R ( R ) S ( S )

CONTROLLER PCB ASSY

( MAIN PCB )

POWER SUPPLY

PCB ASSY

THERMISTOR ( VALVE )

POWER SOURCE

E102

E101

UL1015 AWG22 RED

UL1015 AWG22 BLACK UL1015 AWG22 WHITE UL1015 AWG22 YELLOW UL1015 AWG22 BROWN

UL1015 AWG16

GREEN

UL1015 AWG16

GREEN

UL1015 AWG20

BLACK

UL1015 AWG20

WHITE

UL1015 AWG20

RED

UL1430 AWG26 GRAY UL1430 AWG26 GRAY UL1430 AWG26 GRAY

UL1430 AWG26 GRAY

UL1430 AWG26 GRAY UL1430 AWG26 GRAY

UL1430 AWG22

WHITE

UL1430 AWG22

BLACK

UL1430 AWG22

RED

BLACK BLACK

GRAY GRAY

CN2-1 CN2-2 CN2-3 CN2-4 CN2-5

CN3-1 CN3-2 CN3-3 CN3-4 CN3-5 CN3-6

CN4-1 CN4-2 CN4-3 CN4-4 CN4-5 CN4-6 CN4-7 CN4-8

CN1-1 CN1-2 CN1-3

CN102-1

CN102-2

CN102-3

CN103-1 CN103-2

CN106-1 CN106-2

CN105-6 CN105-5 CN105-4 CN105-3 CN105-2 CN105-1

CN104-1 CN104-2 CN104-3 CN104-4 CN104-5 CN104-6 CN104-7 CN104-8

CN101-1 CN101-2 CN101-3

CN11-1 CN11-2 CN11-3 CN11-4 CN11-5

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

THERMISTOR ( ROOM TEMP. )

THERMISTOR ( PIPE MID. TEMP. )

REMOTE CONTROL

TERMINAL BOARD

3 2 1

EARTH WIRE

W105W102

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-E

BLUE

CN103 B2B-XH-AM

WHITE

CN105 B5P6-VH-B

WHITE

CN102 B3B-XH-AM

WHITE

CN104

B08B-PASK-1

WHITE

CN101

B03B-PASK-1

WHITE

CN13

B07B-PASK-1

WHITE

CN14

B03B-XAKK-1

BLACK

CN6

B02B-PAMK-1

GREEN

CN10

B02B-PAOK-1

ORANGE

CN11

B05B-XASK-1

WHITE

CN12

B05B-XARK-1-A

RED

CN9

B03B-XARK-1-A

RED

CN8

B02B-XASK-1-A

WHITE

CN7

B02B-XAYK-1-A

YELLOW

CN5

B02B-XAKK-1-A

BLACK

CONTROLLER PCB ASSEMBLY

( MAIN PCB )

K06AK-0707HSE-C1

POWER SUPPLY PCB ASSEMBLY

K06AL-0602HSE-P0

2008.04.03 7

CONTROL UNIT EZ-0070RHSE

INDOOR PCB CIRCUIT DIAGRAM

EMI FILTER ZCAT1518-0730 1 T

1 2 3 4 5 6 7 8

CN15-1 CN15-2 CN15-3 CN15-4 CN15-5 CN15-6

CN15 B06B-XASK-1-A

WHITE

FLASH

SP PCB

TEST

LOUVER ( RIGHT / LEFT )

LOUVER ( UP / DOWN )

I C1

uPD78F0535

34 39 36 43 44 45 46 33

32 31 30 29 28 27 26 18

19

20 21

22

23 11 12 13 14 38 37 41

40 25

9

42

52

51

50

49

48

47

56

55

54

53

8

7

6

5

4

3

2

1

64

63

62

61

60

59

58

57

17

16

15

24

10

35

AVDD

AVREF

VDD0 VDD1

I C RST

P00

P34

P01

P35 P02

P03 P10

P11 P12 P13 P14 P15 P16 P17

P20 P21 P22 P23 P24

P25 P30

P31 P32 P33

XT1

XT2

X1

X2

P36 P40 P41 P42 P43 P44

P45 P46 P47 P50 P51

P52 P53 P54 P55 P56

P57 P64 P65 P66

P67 P70

P71 P72 P73

P74 P75

AGND

GND0 GND1

JM6 0R0

JM5 0R0

R56

100K

<1/10W>

5V

C27

0.1

<F>

C38

0.1 <F>

I C7

S80842

NC

213

4

VDD OUT GND

NC

5V

R41 1.0K

<1/10W>

R43 10K

<1/10W>

5V

R44 10K

<1/10W>

C26

0.01 <F>

C25

10/

50V

+

R52 10K <1/10W>

INDICATOR CN13 B07B-PASK-1

FLASH CN15 B06B-XASK-1-A

5V

R49 - R51 10K <1/10W> x 3

PIPE TEMP. TH. ( MID ) CN5 B02B-XAKK-1-A

PIPE TEMP. TH. ( ENT ) CN7 B02B-XAYK-1-A

ROOM TEMP. TH. CN8 B02B-XASK-1-A

5V

R59 10K <1/10W>

R60

49.9K <1/10W>

R61

49.9K <1/10W>

C29

0.1 <F>

C30

0.1 <F>

C34

0.1 <F>

R57

1.0K

<1/10W>

R58

1.0K

<1/10W>

R62

1.0K

<1/10W>

5V

FLOAT SWITCH CN9 B03B-XARK-1-A

R46

1.0K

<1/10W>

C31

0.01 <F>

R45 10K

<1/10W>

C8 - C10

0.1 <F> x 3

R4 - R6

1.0K <1/10W> x 3

R1 - R3 10K <1/10W> x 3

5V

JM1

JM2

JM3

5V

C28

0.1 <F>

C33

0.1 <F>

C32 100/

6.3V

+

CUSTOM CODE

HEATING FAN DELAY

12V

+

C2 10/ 50V

C3

0.01 <F>

5V

D4

1SS355

I C8

NJM7812

D1

1SS355

I C2

NJM7805

13.5V

5V

C1

10/

50V

+

I

O

G

I

O

G

1 3

2

3

1

R19

R20

R22

R21

1.0K <1/10W> x 4

R15 - R18 10K <1/10W> x 4

5V

C4 - C7

0.01 <F> x 4

Q3 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 3R63 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

C17

0.01

<F>

C18

0.01

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

<1/10W>

B Z

1

2

3

1 2 3 4

5

6 7

8

9

16 15 14 13

12 11 10

1 2 3 4

5

6 7

I

I I

I I I I

SK O1

O2 O3 O4

O5 O6

O7

GND

I C4

uLN2003ADR

13.5V

C36

0.47 <F>

5V

X1

5.00MHz <CSTS>

3

1

2

13.5V I C3 uLN2003ADR

SW1

CFS-0402MC

R11 - R14 10K <1/10W> x 4

R7 - R10

1.0K <1/10W> x 4

C19 - C22

0.1 <F> x 4

5V

C13

0.1 <F>

R37

10K

<1/10W>

R40 10K

<1/10W>

I C5

BR93L56RF-WE2

1

2 3

6

8

4 7 5

CS SK D I

NC

VCC

DO NC

GND

8 7

6 5

4 3

2 1

9

16 15 14 13 12

11 10

8

1

2

3 4 5

6

7

SK O1 O2

O3

O4 O5

O6 O7

GND

I 1 I 2

I 3

I 4 I 5

I 6 I 7

5V

R55 10K <1/10W>

12V

D3 D1FS4A

12V

R48 10K

<1/10W>

R53 28K <1/10W>

R54

15.4K <1/10W>

I C6-1

BA10393F

I C6-2

BA10393F

-

+

1

7

3

2

5

6

D2

DAN217U

3

1 2

C23

0.01 <F>

C24 1000P <R>

R42

47

<1/10W>

CN14 B03B-XAKK-1-A REMOTE CONTROL UNIT

CN11 B05B-XASK-1-A LOUVER ( UP / DOWN )

CN12 B05B-XARK-1-A LOUVER ( RHIGT / LEFT )

CN10

B02B-PAOK-1

HEATER

CN6

B02B-PAMK-1

FRESH AIR

CN4

B08B-PASK-1

POWER DRIVE

CN3

B06B-PASK-1

SP PCB

CN2

B5P-SHF-1AA

TEST

CN1

B03B-PASK-1

DC SUPLLY

1

2

3

4

5

6

1

2

3

4

5

1

2

3

1

2

3

4

5

6

7

8

1

2

1

2

1

2

3

4

5

1

2

3

4

5

1

2

3

1

2

3

4

5

6

7

1

2

3

4

5

6

1

2

1

2

1

2

1

2

3

2008.03.13 8

INDOOR UNIT CONTROLLER PCB ASSEMBLY K06AK-0707HSE-C1

13.5V

F101

FSL 250 3.15

FH101

FH102

VA101

470V

<TNR>

W101

BLACK

W102

WHITE

VA102

470V

<TNR>

SA101

RA-362M

E101

GREEN

I C26-10

N

L

I C26-14

5V

15V

I C104

TLP621

<GB>

R116

1.0K

<1/4W>

1

243

CN104

B08B-PASK-1

POWER DRIVE

SERIAL I N

SERIAL I NT

SERIAL ON

DRAIN PUMP

DC FAN-OUT

DC FAN-FEEDBACK

EX. SIGNAL-OUT

EX. SIGNAL-I N

1

2

3

4

5

6

7

8

4

3 2

1

I C103

TLP621

<GB>

C117 100/ 25V

+

AA

R117

820

<1/4W>

R114

4.7K <1/10W>

R115

6.8K

<1/4W>

15V

6

5

4

3

2

1

340V

A

15V

CN105 B5P6-VH-B

DC FAN MOTOR

W105

RED

SERIAL

I C 1 0 5

H I 2 0 0 2 R 2

L

N

5V

5 4 3 2

1

101418

15V

340V

C108

4700P

D102

1SR139-600

R103

62K

<RS-2W>

D108

D2FL20U

T101

ZFT22B03-C

R111 10K <1/10W>

+

C113

1000/

25V

C114

0.01 <KH> C115

0.01 <KH>

8

7

6

5

3

21012

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

342

2

1

3

2

1

C116

0.01

5V

R112 330 <1/10W>

L102

BLm18

<AG601>

I C101

TLP621

<GB>

L103

BLm18

<AG601>

431

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

2

LF101

ELF17N015A

L101

REP28-15

15mH, 1.1A

1

3

4

2

D101 D3SB60

C118

0.01 <KH>

E102

GREEN

C107

100/

450V

+

C109 220P/

2.0kV

<ECKE>

R105

75

<RS-2W>

R106

1.5

<RS-2W>

Q102

2SC1815

Q101 2SC5354

R107

100

<1/10W>

3

2

1

A

D107

RD16M

<B1>

C112

330/

25V

+

R110

10K

<1/10W>

D106

D1FL20U

C110 0.047 <ECQB>

D103 D1FL20U D104 MTZJ5.1B

R109

330

<1/4W>

C111 100/ 25V

+

D105

D1FL20U

R108 100 <1/2W>

C104

0.47

<R46>

C105

0.01 <YE>

C106

0.01 <YE>

PFC5000-0702F x 2

2008.04.03 9

INDOOR UNIT POWER SUPPLY PCB ASSEMBLY K06AL-0602HSE-P0

COMPRESSOR

1

3

2

1

3

2

WHITE

BLACK

REDRED

WHITE

BLACK

UL1015 AWG14

B

W305

W304

W303

C. M.

W12

W13

B

UL1015 AWG14 YELLOW

UL1015 AWG14 BLUE

CN407 06 PH / 172520 1007 L480

WHITE

ACTPM CONTROL

1

3

4

5

UL1007 AWG24 ORANGE

UL1007 AWG24 YELLOW

UL1007 AWG24 RED

UL1007 AWG24 BROWN

EMI FILTER

TFC25-15-12A

2T

TERMINAL HP-T4005-21

CHOKE COIL L=0.3MH 30A

P

L1 L2

N1

N2

I O

-

+

1

2

3

4

5

6

B

UL1015 AWG14

RED

UL1015 AWG14

BLACK

W16

W17

UL1015 AWG14

BLACK

UL1015 AWG14

WHITE

UL1015 AWG14

BROWN

UL1015 AWG14

BLACK

CN602

B10B-PASK-1

WHITE

SUB FLASH

CN601

B10B-PASK-1

WHITE

MAIN FLASH

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

5V

GND

TAUX

TTXD

TRXD

TMODE

TAUX3

TCK

/ TRES

/ T I CS

5V

GND

TAUX

TTXD

TRXD

TMODE

TAUX3

TCK

/ TRES

/ T I CS

B

W11

W10

UL1015 AWG14 BLACK

UL1015 AWG14 WHITE

UL1015 AWG20 WHITE

UL1015 AWG20 BLACK

B

UL1007 AWG24 BLACK

UL1007 AWG24 BROWN

UL1007 AWG24 RED

W9

W8

TM102

TM101

CN34 B2P3-VH-B-Y

YELLOW

AC VOLT I N

CN1 03 XA / 172520 1007 L180

WHITE

CT

1

3

4

3

1

EMI FILTER

TFC25-15-12

2T

03 VH / S I N

1015 L250

CN1

B3B-XASK-1-A

WHITE

CT OUT

1

2

3

B

W4

W6

W5

W7

W3

EARTH

UL1015 AWG16

GREEN

UL1015 AWG20

WHITE

UL1015 AWG20

BLACK

UL1015 AWG20

RED

UL1015 AWG14

BLACK

UL1015 AWG20

BLACK

UL1015 AWG20

WHITE

UL1015 AWG20

BLACK

UL1015 AWG20

BLACK

UL1015 AWG20

WHITE

UL1015 AWG20

PINK

UL1015 AWG20

YELLOW

UL1015 AWG20

WHITE

EMI FILTER ZCAT1518

-0730 1T

EMI FILTER ZCAT1518

-0730 1T

UL1015 AWG20

BLACK

UL1015 AWG14

BLACK

UL1015 AWG14

WHITE

F201

TLC 25A-250V, B

(250V 25A)

AC230V

50Hz

INDOOR UNIT-A

INDOOR UNIT-B

INDOOR UNIT-C

3

N

L

3

N

L

3

N

L

N

L

F202

FSL 250 10 (EM)

(250V 10A)

SERIAL-A

SERIAL-C

SERIAL-B

W200 W201 W202

CN800 B7B-XASK-1-A

WHITE

B

CN27 B6B-XARK-1-A

RED

CN50 06 XA / 172520 1007

WHITE

CN51 06 XA / 172520 1007

GREEN

CN30 179844-1

WHITE

CN37 B2B-XARK-1-A

RED

CN36 B2B-XASK-1-A

WHITE

CN26 B2B-XAMK-1-A

GREEN

CN25 B2B-XAKK-1-A

BLACK

CN21 B2B-XH-AM

YELLOW

CN22 B2B-XH-AM

RED

CN23 B2B-XAEK-1-A

BLUE

CN39 08 XA / 172520 1007

WHITE

CN40 08 XA / 172520 1007

RED

1

3

1 2

1

2

3 4 5 6 7 8 9

4 5 6 7 8 9

1

3 4 5 6 7

1

4 5 6 7

2

1

3 4 5 6

2

1

3 4 5 6

2

1

7

YELLOW

WHITE

BLACK

RED

BROWN

RED

BROWN

BLUE ORANGE YELLOW

WHITE

BLACK

WHITE WHITE WHITE WHITE WHITE

GREEN

BLACK

RED RED

RED

BROWN BROWN

BROWN

BLACK

BLUE

BLACK WHITE WHITE WHITE

WHITE WHITE WHITE WHITE

BLACK

RED RED RED

RED RED RED RED

WHITE

YELLOW

ORANGE

BLUE

BROWN

RED

WHITE

YELLOW

ORANGE

BLUE

BROWN

RED

BROWN

GRAY

BLACK

BLUE

YELLOW

RED

2-WAY VALVE-C TEMP. 3-WAY VALVE-C TEMP.

2-WAY VALVE-B TEMP. 3-WAY VALVE-B TEMP.

2-WAY VALVE-A TEMP. 3-WAY VALVE-A TEMP.

OUTDOOR TEMP.

PIPE TEMP.

DISCHARGE TEMP.

HEATSINK TEMP.

COMP. TEMP.

PRESSURE SWITHC-2

PRESSURE SWITHC-1

4-WAY VALVE

EXPANSION VALVE-C

EXPANSION VALVE-B

EXPANSION VALVE-A

DC FAN MOTOR F. M.

M

CONTROLLER PCB ASSEMBLY ( MAIN PCB )

AOHA18LAT3 : K04AW-0605HUE-C1 AOHA24LAT3 : K04AW-0602HUE-C1

POWER SUPPLY PCB ASSEMBLY

K04BA-0505HUE-P0

B

ACTPM

I C 404

SACT32010A

INVERTER ASSEMBLY AOHA18LAT3 : EZ-006KHUE AOHA24LAT3 : EZ-0068HUE

OUTDOOR PCB CIRCUIT DIAGRAM

102008.04.21

CN1 03 XA/172520 1007 L180

WHITE

CT

CN27 B6B-XARK-1-A

RED

EXPANSION VALVE-A

CN50 06 XA/172520 1007 L300

WHITE

EXPANSION VALVE-B

12V

I C20

TD62064

I 1

I 2 I 3 I 4

O1 O2

O3 O4

COM1 COM2 NC1

NC2

GND1

GND3

GND4

GND2

15

10

8

1

14

11

6

3

13

12

5

4

16

9

7

2

I 1

I 2 I 3 I 4

O1 O2

O3 O4

COM1 COM2 NC1

NC2

GND1

GND3

GND4

GND2

15

10

8

1

14

11

6

3

13

12

5

4

16

9

7

2

12V

1

2

3

4

5

6

7

1

2

3

4

5

6

1

2

3

4

B

W305

RED

W303

BLACK

W304

WHITE

INVERTER

0.033 <2W> x 8

R302

1.0K <1/10W>

5V

C327

0.022 <F>

C328 2200P

I C4 TD62064

12V

R173 R172 R171 R170

1.5K <1/10W> x 4 C101

0.1 <F>

1.5K <1/10W> x 4 R97 R96 R95 R94

EE-VALVE

C29

0.1 <F>

5V

D61

DAN217U

3

1 2

18V

P-AN-CT

P-EPV1-A

P-EPV1-D

P-EPV1-C

P-EPV1-B

P-EPV2-A

P-EPV2-D

P-EPV2-C

P-EPV2-B

TAUX-1

TMODE-1

TRXD-1

TTXD-1

TAUX3-1 TCK-1 RSTX-1

TTXD-2

TCK-2

TAUX3-2

TRXD-2

RSTX-2

DCFAN1

+

C801

0.01

5V5V

2

1

3

2

3

1

15V

R804 1.0K

<1/10W>

D803

DAN217U

Q801

DTA143EUA

C802

0.1

<F>

R802 560 <1/4W>

3

1 2

C800 <PJ> 100/16V

R801 1.0K

<1/2W>

L800

BL02Rn1

Q800 DTC143EUA

R803

10K

<1/10W>

R40 1.0K <1/10W>

R33

10K <1/10W>

C33

0.01 <F>

1000P x 6

C311

C316

C315

C314

C313

C312

I C310

PS21265-A

10

9

8

7

6

5

4

3

2

1

11 12 13 26

25

24

23

22

21

20

19

18

17

16

15

14

UP VP I VUFB VUFS

VP VP I

VVFB VVFS WP VP I VPC VWFB VWFS

CFO

C I N

VNC

VN I

FO UN

VN WN

P U V W N

+

15V

C333

47/

35V

C332

0.1

<F>

L300 BL02 Rn1

0.1 <F> x 3 C324

C325

C326

+

R340 R341 R342 R343 R344 R345

1.0K <1/10W> x 6

D303

D301

D302

U1JU44 x 3

C321

C322

C323

0.1 <F> x 3

R362 R363 R361

330K <1/10W>

x 3

47/35V <PJ>

x 3

C305

C304

C303

R360 39

<1/2W>

195K <RN - 1/2W> x 6

R111

R112

R110

R86

R89

R88

15V

SMOOTHING CIRCUIT

B

+ + +

VOLTAGE LOCK OUT

5V

F2

T 3015A

250V

L100

BARE WIRE

DIA0.6 5mm

195K (1%) <RN - 1/2W>

x 2

R104R106

12V

COMP POSITION DETECT

R105

2.49K (1%)

<1/10W>

R108

2.87K (1%) <1/10W>

R107 680

(1%) <1/10W>

R87 2.94K

(1%) <1/10W>

3

2 21 1

3

1

2

+

-

15V

5V

C87 330P

I C11-1

uPC393

C89 70P

C88

0.14 <F>

R103 4.7K

<1/10W>

2

3

1

C95 100P <CH>

R113 1.0K

<1/10W>

R114

27K

<1/10W>

Q91

2SC2412K

<BQ>

R102 22K

<1/10W>

C35 - C36

0.01 <F> x 2

I C400-2

uPC393

R407

R403

10K <1/10W>

x 2

I C400-1

uPC393

15V

-

2

3 6 5

+

1

7

+

W12

W13

YELLOW

BLUE

16 15 13 12 10

9 8

7

6

3

2

1

2

1

3

2

1 3

I OGI O

G

I O

G

A

+

++

+

15V

+

D100 D1FL20U

C7 220/ 35V

T1

JPZ-200

C6 100/ 16V

<PS>

C418

10/

35V

<PS>

5V

18V

I C8

TA7805

I C407 UPC24M18

C406 220/50V <PJ>

D1FL20U x 3

D8

D7

D401

C4 470/ 25V

<PJ>

C5

220/

16V

<PJ>

R5 10K

<1/10W>

SW POWER SUPPLY

D81 - D82

DAN217U x 2

C412

0.1 <F>

C414

0.01 <F>

R441

R435

1.0K <1/10W> x 2

C411

0.01 <F>

D402 RD3.3ES <B2>

R402

2.2K <1/4W>

C409

10/ 25V

<PS>

R401

2.94K <1/10W> (1%)

R406

2.87K <1/10W> (1%)

R400

R440

180K <RN - 1/2W> x 2 (1%)

FLASH - SUB

FLASH - MAIN

R20 10K

<1/10W>

5V

R611

4.7K <1/10W>

5V

10K <1/10W> x 5

R604

R601

R602

R603

R21

5V

R605 22K

<1/10W>

R613 22K

<1/10W>

5V

10K <1/10W>

x 3

R612

R610

R609

5V

A

C413

0.01 <F>

ACTPM CONTROL

A

18V

C415

0.01

<F>

1

2

3

1

3

2

Q403

DTA143

R411 22K

<1/10W>

C416

1000P

Q401

DTC124EUA

A

270 (1%) <1/10W> x 2

R437

R438

P-AFS

P-S I 1

P-S I 4

P-S I 3

P-S I 2

SUB-CLK SUB-FWD SUB-BKWD

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

CN602

CN407

06 PH/172520 1007 L480

WHITE

ACTPM CONTROL

B10-PASK-1

WHITE

SUB-FLASH

TAUX

TTXD

TRXD

TMODE

TAUX3

TCK

/ TRES

/ T I CS

CN601

B10-PASK-1

WHITE

MAIN-FLASH

TAUX

TTXD

TRXD

TMODE

TAUX3

TCK

/ TRES

/ T I CS

P-U P-V P-W P-X P-Y P-Z

P-TRIP

P-FM1POW

FM1FDB

P-EPV2-D P-EPV2-C P-EPV2-A P-EPV2-B

P-EPV4-C P-EPV4-D

P-EPV4-A

P-EPV3-B

P-EPV3-C P-EPV3-D

P-EPV3-A

5V

R126 - R128 10K <1/10W> x 3

I C6 BD4742G

5V

RSTX-1

SUB-FWD SUB-BKWD

TMODE-1

P-SWPRS2 P-SWPRS1 TCK-1 TRXD-1

TAUX-1

P-E2PCS1

P-FM1SEL

FM1FDB

P-E2PD I 1

P-E2PSK1

P-AFDC

P-AFE

P-U

P-X

P-V

P-Y

P-W

P-Z

SUB

NC

VCC

VOUT

GND21 3

4

5

R36 1.0K <1/10W>

C79

0.1

<F>

MICON - MAIN

R158 10K <1/10W>

R72 1.0K

<1/10W>

5V

C17

0.1 <F>

R73 100K

<1/10W>

X1

8.00MHz <EF0EC>

2

1 3

23

22

4

6

5

7

8

9

10

44

43

42

41

57

33

32

31

30

29

28

27

47

34

21

60

58

59

3

35

2

16

17 56

11 25 26 40 36 37 38 39 12 45 46 50 51 52 53 54 55 14 15 18 20 64 63 62 61

1 19 48 13 24 49

GND

AGND

P27

RSTX

P45

P41

P42

P43

P44

MD1

MD0

P61

P60

P35

P34

P33

P32

P31

P30

P25

P24

AVR

U X V Y W Z

P16

P15

P14

P13

P17

P01

P00

AVCC

VCC

X1

X0

P63 P62 P46 P12

P50 P37 P36 P40 MD2 P11 P26 P02

P03 P04 P05

P06 P07 P10

C P20 P21 P22 P23 P57 P56

P55 P54 P52

P53 P51

P-AFE

P-AFDC

P-CP-POS

R2 1.0K

100K <2W>

x 2

R6

R1

C1 220P <BN>

R3 100

<1W>

C2 0.047 <ECQB>

D2

D1FL20U

D10

RD5.6

ES

<B2>

R4 330 <1/4W>

C3

100/16V

<PJ>

R140 1.2

<1/2W>

D1

D1FL20U

Q1

2SC4236

2

3

1

PANT3WV2

PANT3WV1

PANT2WV2

PANT2WV1 PANT3WV4

PANT3WV3

PANT2WV4

PANT2WV3

5V

R186

R187

R188

22K x 3

<1/10W>

R189

R190

10K x 2

<1/10W>

SW150 KSM0632B

I C150

MB95108HPFM

MICON - SUB

5V

R196 1.0K <1/10W>

C181

0.1 <F>

5V

0.1 <F> x 2

C19 C18

C20

4.7/ 50V

<PS>

+

R608 10K

<1/10W>

5V

10K <1/10W>

x 2

R11

R195

C40 0.1

<F>

5V

P-AN-HT P-CMPTH P-AN-TT P-AN-TA P-AN-TD

6 5

4

3 2 1

R16, R17

<1/10W> x 2

R34

R35

1.0K

<1/10W> x 2

C77

C78

0.1 <F>

x 2

2 13

21

6

5

4

3 18

22 23

24 25 26 27 28 29 30 31

32 33

34 35 36

37 38 39 14 15 19 20 64

1

2

3

16

17

1 63 62

61 60 59 58 57 56 55 54 53

52 40

41 42 43

44 45 46

47 48 49 50

51 12 11 10

9

8

7

AVR MOD

RSTX PE0

PE1 PE2

PE3 PG0

P00 P01

P02 P03 P04 P05

P06 P07 P10 P11

P12 P13

P14 P20 P21 P22

P23 P24 X0 X1 X1A X0A AGND

GND

VCC

AVCC

P30 P31

P32 P33 P34 P35 P36 P37

P40 P41 P42

P43 P50 P51

P52 P53 P60 P61 P62

P63 P64

P65 P66 P67

P70 P71 P80 P81 P82 P83

X150

8.00MHz

<EF0EC>

R194 10K

<1/10W>

C177

0.1 <F>

C174

4.7/ 50V <PS>

+

5V

C176

C175

0.1 <F> x 2

I C153

BD4742G

R192 100K

<1/10W>

R193

1.0K

<1/10W>

C179

0.1 <F>

2

1

3

4

5

SUB

NC

GND

VOUT

VCC

TAUX3-2 RSTX-2 P-LED1

P-LED4

P-LED3

P-LED2

P-POWER

P-SO1 TTXD-2 TRXD-2 TCK-2

P-SO2 P-SO3 P-SO4 P-EPV1-A P-EPV1-B P-EPV4-B

P-EPV1-C P-EPV1-D

FM2FDB SUB-CLK P-FM2POW P-POWER P-AN-CT

P-FM1POW TTXD-A TAUX3-1 P-AFS P-CP-POS P-S I P-SO P-PR P-LED P-4WV-AC P-V2 P-TRIP P-EPV-A P-EPV-B P-EPV-C P-EPV-D

P-S I 2

P-POWER

P-S I 1

P-S I

JM156

C53 10K <1/10W>

C180

0.022 <F>

C167

0.022 <F>

Q52

2SC2412K <BQ>

R54 27K

<1/10W>

R53 1.0K <1/10W>

R58 4.7K

<1/10W>

R57 10K <1/10W>

5V

Q56 2SC2412K <BQ>

R56 27K <1/10W>

R55 1.0K <1/10W>

R51 4.7K

<1/10W> R50 10K <1/10W>

5V

R52 1.0K

<1/10W>

C51

0.022<F>

1

3

2

1

3

2

16 15 14 13

12 11 10

9 8

7

6

5

4

3

2

11C

7C

6C

5C

4C

3C

2C

COM E

1B

6B 7B

5B

4B

3B

2B

16 15 14 13

12 11 10

9 8

7

6

5

4

3

2

11C

7C

6C

5C

4C

3C

2C

COM E

1B

6B 7B

5B

4B

3B

2B

6

3

2

1

5

7

4

8

VCC DO

NC GND

CS SK

D I NC

EEPROM

R206 10K

<1/10W>

C91

0.1 <F>

12V

5V

I C201 BR93L56RF-WE2

I C151

uLN2003A

PR - SW

I C3 uLN2003A

12V

R43

2.2K <1/4W>

12V

D150 - D153 SLR-332VR

<RED> x 4

R182 - R185

2.2K <1/4W> x 4

12V

R182

R183

D150

D151

HY I C1 HU2001

HY I C2 HU2001

5V

8 7

6

5 4 3

2

1

14 10 5 4 3

2 1

18

18 14 10 5

4 3 2

1

8 7

6

5 4 3

2

1

W16

RED

W17

BLACK

B

C115

0.1 <HCP>

+

-

MAIN CURRENT

D101

D25XB60

2

3 4

1

1 2

4 3

K101 DW12D1

12V

R200

ZPR0RCH400A250

SERIAL

B

3

1

VA103 470V

<TNR>

PFC5000-0702F x 2

F4 T 5A 250V

W10

BLACK

W11

WHITE

CN34

B2P3-VH-B-Y

YELLOW

AC VOLT I N

W200

RED

A

SERIAL

W201

YELLOW

B

SERIAL-B

P-FM1SEL

P-V2 P-4WV-AC P-LED P-PR P-SO1

P-LED1 P-LED2 P-LED3 P-LED4 P-SO4 P-SO3 P-SO2

P-E2PCS1 P-E2PSK1 P-E2PD I 1

P-SWPRS1

P-SWPRS2

P-CMPTH P-AN-HT P-AN-TD P-AN-TT P-AN-TA

PANT2WV1

PANT3WV1

PANT2WV2

PANT3WV2

THERMISTOR

CN30

179844-1

WHITE

4-WAY VALVE

CN37

B2B-XARK-1-A

RED

PRESSURE SW 1

CN36

B2B-XASK-1-A

WHITE

PRESSURE SW 2

CN26

B2B-XAMK-1-A

GREEN

COMP. TH.

CN25

B2B-XAKK-1-A

BLACK

HEATSINK TH.

CN21

B2B-XH-AM

YELLOW

DISCHERGE TH.

CN22

B2B-XH-AM

RED

PIPE TH.

CN23

B2B-XAEK-1-A

OUTDOOR TH.

CN39

08 XA/172520

1007 L300

WHITE

2-WAY VALVE-A

3-WAY VALVE-A

2-WAY VALVE-B

3-WAY VALVE-B

L203 BL02Rn1

5V

L201 BL02Rn1

L202

BL02Rn1

R100 6.65K

<1/10W>

(1%)

R98 1.0K

<1/10W>

(1%)

R63 6.65K

<1/10W>

(1%)

R65 4.75K

<1/10W>

(1%)

R67 38.3K

<1/10W>

(1%)

R117 14K

<1/10W>

(1%)

R119 14K

<1/10W>

(1%)

R121 14K

<1/10W>

(1%)

R123 14K

<1/10W>

(1%)

R116 10K

<1/10W>

R118 10K

<1/10W>

R120 10K

<1/10W>

R122 10K

<1/10W>

C43

0.1

<F>

C44

0.1

<F>

C45

0.1

<F>

C46

0.1

<F>

C39

0.1 <F>

C38

0.1

<F>

C37

0.1

<F>

C61

0.1

<F>

C60

0.1

<F>

R66 10K <1/10W>

R64 10K <1/10W>

R62 10K <1/10W>

R99 10K <1/10W>

R101 10K

<1/10W>

0.01 <F> x 2

C73

C72

0.1 <F> x 2

C70

C71

5V

12V

CR5

RE1202

K17 G5NB-1A

4WV

1.0K <1/10W> x 2 R93

R92

2.2K <1/10W> x 2

R90

R91

3

1

4

2

1

2

1

2

1

2

1

2

1

2

1

2

1

2

1

2

1

2

3

4

5

6

7

8

9

5V

C116

0.1 <HCP>

R201 220K <2W>

C201 600/ 450V

C202 600/ 450V

C203 600/ 450V

R370

R371

R373

R374

R375

R376

R378

R379

OUTDOOR UNIT CONTROLLER PCB ASSEMBLY AOHA18LAT3 : K04AW-0605HUE-C1 AOHA24LAT3 : K04AW-0602HUE-C1

FH3

PFC5000

-0702F

FH4

PFC5000

-0702F

CN800 B7B-XASK-1-A

WHITE

DC FAN

1

2

3

4

5

6

7

I C 1

MB90462PFM

FH1

FH2

SW1

DSS803

6 5

4

3 2 1

AOYA24LAT3

AOYA18LAT3

SW1

DSS803

P-S I 3

C168

0.022 <F>

Q150

2SC2412K <BQ>

R161

27K

<1/10W>

R160 1.0K <1/10W>

R163 4.7K

<1/10W>

R162 10K <1/10W>

5V

3

1

2

5V

HY I C3 HU2001

14 10

5

4 3

2 118

8 7

6

5 4 3

2

1

B

W202

PINK

C

SERIAL-C

PANT2WV3

PANT3WV3

CN40

08 XA/172520

1007 L300

WHITE

2-WAY VALVE-C

3-WAY VALVE-C

2-WAY VALVE-D

3-WAY VALVE-D

5V

L204

BL02Rn1

R151 14K

<1/10W>

(1%)

R153 14K

<1/10W>

(1%)

R150 10K <1/10W>

R152 10K <1/10W>

C158

0.1 <F>

C159

0.1 <F>

1

2

3

4

5

6

7

8

9

CN51 06 XA/172520 1007 L300

WHITE

EXPANSION VALVE-C

12V

I C21

TD62064

I 1

I 2 I 3 I 4

O1 O2

O3 O4

COM1 COM2 NC1

NC2

GND1

GND3

GND4

GND2

15

10

8

1

14

11

6

3

13

12

5

4

16

9

7

2

1

2

3

4

5

6

7

12V

R177 R176 R175 R174

1.5K <1/10W> x 4

P-EPV3-A

P-EPV3-D

P-EPV3-C

P-EPV3-B

112008.04.21

5V

TM101

TM102

C111

2.2 <LE>

L4 RCV2515-010PF05

C107

2.2 <LE>

TM100

L2 N200500K1D7C-01

CT1 CT-1B

5V

D60 DAN217U

C64

0.1 <F>

R68 22K <1/10W>

C65

0.1

<F> VR1 B2K

+

R61 3.74K <1/10W> (1%)

C60 220/16V <PJ>

R60 680K <1/10W> (1%)

SA100 RA-302M

C106

2.2 <LE>

C104

0.033 <YE> C105

0.033 <YE>

C101

1.0 <LE>

VA101 470V <TNR> VA102 470V <TNR>

B

BLACK

WHITE

TO INDOOR UNIT

POWER SOURCE 230V 50Hz

EARTH

AC VOLT OUT

W5

W6

BLACK

WHITE

W7

GREEN

W3

W8

BLACK

WHITE

W9

W4

L1 RCV2515-010PF05

CN1 B3B-XASK-1-A

WHITE

CT OUT

1

2

3

POWER SUPPLY PCB ASSEMBLY K04BA-0505HUE-P0

OUTDOOR UNIT

2008.04.21

B

12

Troubleshooting at the remote control LCD

This is possible only on the wired remote control.

SELF-DIAGNOSIS

If an error occurs, the following display will be shown. ("EE" will appear in the set room temperature display.)

Unit number

Error code

Ex. Self-diagnosis

SUMOTUWETH FR

SA

Code Error contents

Indoor signal error

Wired remote controller abnormal

Indoor room temperature sensor error

Indoor heat exchanger temperature sensor (middle) error

Indoor heat exchanger temperature sensor (inlet) error

Float switch operated

Outdoor discharge pipe temperature sensor error

Outdoor heat exchanger temperature sensor (outlet) error

Outdoor temperature sensor error

Compressor temperature 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 temperature error

Exessive high pressure protection on cooling

4-way valve abnormal

Pressure switch abnormal

Compressor temperature error

Active filter abnormal

PFC circuit error

01 13 26 27

00

02

04

28

09

0C

06

0A

15

1d

1E

29

20

2A

17

18

1A

1b

1F

1c

12

0F

24

2c

16

2b

19

25

Unit number

CO

Error code

1d

1c

Content

Incompatible indoor unit is connected

Communication error between indoor unit and remote control

If "CO" appears in the unit number display, there is a remote control error.

2008.04.21 13

ERROR CONTENTS

REMOTE CONTROL

142008.04.21

OUTDOOR UNIT

LED A LED B LED C

Communication error (indoor unit A to outdoor unit)

Communication error (indoor unit B to outdoor unit)

Communication error (indoor unit C to outdoor unit)

Discharge pipe temperature sensor

Outdoor heat exchanger temperature sensor

Outdoor temperature sensor

Outdoor 2way valve(A) temperature sensor

Outdoor 2way valve(B) temperature sensor

Outdoor 2way valve(C) temperature sensor

Outdoor 3way valve(A) temperature sensor

Outdoor 3way valve(B) temperature sensor

Outdoor 3way valve(C) temperature sensor

Compressor temperature sensor

Heatsink temperature sensor

Pressure switch A abnormal

Pressure switch B abnormal

Indoor unit connection capacity error

IPM error

Comoressor loter location error

Compressor can not start to operate

Outdoor fan (upper) motor error

Outdoor fan (lower) motor error

Microcomputer error

4way valve (Solenoid) abnormal

1 time

2 times

3 times

4 times

5 times

6 times

7 times

8 times

9 times

10 times

11 times

12 times

13 times

14 times

15 times

16 times

17 times

18 times

: Slow flashing - : Off

PARTS

INDOOR UNIT

15

2008.04.21

11

13

3

13

4

6

1

14

10

5

8

9

7

2

15

12

13

4 Front Panel Assy 9363722000

1 Air Filter 9366833017

5 Evaporator Assy 9373255055

12 Distributor Assy 9373034193

6 Drain Pan Sub Assy 9364502052

-- Drain Cap Assy 9377878014

13 Hook Metal 9363195002

15 Coupling Pipe Assy 9373038498

10 Pipe Thermistor 9703297090

11 Cover (Piping) 9363330007

14 Cabinet Cover 9363325003

7

Support Plate (Evaporator)

9363323009

8 Bracket Evaporator R 9363199000

9 Bracket Evaporator L 9363198003

2 Side Panel Right Assy 9363411003

3 Side Panel Left Assy 9363409000

Ref. Description Part number

16

2008.04.21

21

27

29

26

25

23

22

28

24

INDOOR UNIT

24 Sirocco Fan Assy 9385258006

28 Rubber 9385102002

23 Casing Assy 9363322002

25 Bracket (Motor) Assy 9358591000

22 Panel Assy (Motor) 9363193008

26 Fan Motor 9602759019

29 Thermistor (Room) 9703299063

27 Bracket (Motor) 9358594001

21 Top Panel 9363408003

Ref. Description Part number

INDOOR UNIT

2008.04.21 17

33

31

32

35

34

32 Controller PCB Assy

31 Control Box

34 Terminal

35 Terminal

33 Power Supply PCB Assy

Ref. Description

Part number

9707393361

9375240035

9703345012

9306489045

9707398038

--

Wire between C and P (3 lines)

-- Hole Cover

-- Remote Control

9707442014

--

Wire between C and P (8 lines)

9703339028

9378176010

-- Cap (Power) 9352173011

9372266199

-- Control Box Cover 9363201000

182008.04.22

PARTS

OUTDOOR UNIT

3

4

2

8

6

9

11

13

10

12

1

14

15

7

5

1 Top Panel Sub Assy

2 Front Panel

5 Service Panel Sub Assy

7 Right Panel

8 Grip

15 Propeller Fan Assy

14 Motor. DC Brushless

13 Condenser A Assy

10 Separate Wall Sub Assy

9 Base Assy

12 Protective Net

9374417049

9374094080

3 Fan Guard

4 Grip Side

9378111011

9374173013

9374415045

9374599002

9374172006

6 Valve Cover Sub Assy 9374827015

9366378020

9601882015

9374433179

9374413164

9374166121

11 Valve Plate A Assy 9374628148

9375381028

-- Emblem Rear 9372171011

-- Drain Assy 9303029015

-- Drain Cap 313166024302

Ref. Description Part number

192008.04.21

OUTDOOR UNIT

22

21

24

23

Connector : RED

Connector : WHITE

29

30

25

43

42

41

44

45

40

38

32

33

31

36

35

34

26

27

28

39

37

25 Coil. Choke

30 Compressor Assy

40 4-Way Valve

44 Inlet Pipe (Cond) A Assy

45 Outlet Pipe (Cond) A Assy

42 Pressure Switch A

43 Pressure Switch B

38 Accumulator Assy

39 Receiver Tank Assy

37 Pulse Motor Valve

31323-Way Valve Assy (1/2")

33 2-Way Valve Assy

34

Coil (Expansion Valve) (A=Red)

35

Coil (Expansion Valve) (B=White)

36

Coil (Expansion Valve) (C=Green)

9900366018

9315297037

9900163013

9373461104

9374266111

9900186012

9900341015

9375250027

9374575039

9900056025

3-Way Valve Assy (3/8") 9375103019

9375104016

9375102012

9900057084

9900057053

9900057060

Ref. Description Part number

4123Solenoid

24 Thermistor (Pipe) (Red)

Thermistor (Pipe) (White) 9900373030

9900165079

-- Condensing Pipe C

-- Suction Pipe B

-- Strainer Assy

-- Discharge Pipe A

-- Discharge Pipe B Assy

-- Inlet Pipe (Cond) C

9375241025

9371275338

9372524015

9372179482

9372246041

9373465065

-- Joint Pipe (Valve) Assy 9374840076

26 Compressor Plate Assy

21 Water Seal Plate

22 Thermo Holder

27 Compressor Cover A

28 Compressor Cover B

29 Compressor Cover C

9375221058

9375222017

9375211011

9374430093

9374431090

9372067079

9900372019

202008.04.21

OUTDOOR UNIT

INVERTER ASSY

Connector : BLACK

Connector : RED

GREEN

BLUE

RED

YELLOW

WHITE

55

66

67

53

54

56

59

60

58

57

64

63

62

51

65

61

52

73

72

71

70

69

68

74

53 Inverter Box C

54 Inverter Box Duct

55 Inverter Box Cover

56 Heat Sink A

57 Inverter Box D

58 Terminal (3P)

59 Terminal (6P)

61 Fuse Holder (Big)

62 Fuse Holder (Small)

63 Fuse (Big)

64 Fuse (Small)

-- Terminal (3P)

65 ACTPM

66 Power Supply PCB Assy

9375140014

9374609017

9375139018

9375138011

9374606023

9900203016

60 Terminal (3P) 9306489045

9900016036

0501454012

0501456016

0600086039

0600376116

9306489045

9703457012

9705647091

67 Controller PCB Assy (24L)

68 Heat Sink Thermistor

69 Compressor Thermistor

70 Thermistor (Outdoor)

71

Heat Exchanger Thermistor

72 Discharge Thermistor

73 Wire (Pressure Sw) (Red)

74

Wire (Pressure Sw) (White)

9705642195

67 Controller PCB Assy (18L) 9705642225

9900311018

9900156053

9900477011

9900374020

9704219039

9377823014

9377823021

51 Inverter Box A

52 Inverter Box B Assy

9374603015

9374625024

Ref. Description Part number

ACCESSORIES

INDOOR UNIT

2008.04.21 21

Name and Shape Q’ty Application

Coupler heat insulation (large)

1

For indoor side pipe joint (gas pipe) (P/N 9350716029)

Coupler heat insulation (small)

1

For indoor side pipe joint (liquid pipe) (P/N 9352766015)

Filter

2

For protecting air conditioner from dust (P/N 9366833017)

Drain hose insulation

1

Insulates the drain hose and vinyl hose connection (P/N 313806217708)

1

For making a wiring hole for connecting optional units (P/N 9378176010)

Name and Shape Q’ty Application

Installation template

1

For positioning the indoor unit (P/N 9364224008)

Hanger

4

For suspending the indoor unit from ceiling (P/N 9363195002)

Tapping screw x 10)

(ø4

8

For installing the hanger (P/N 301171164104)

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)1For remote control

and cord binding (P/N 313361275805)

(Large)

4

For fixing the coupler heat insulation (P/N 312300787605)

Remote control

1

For air conditioner operation (P/N 9372266199)

Remote control cord

1

For connecting a remote control (P/N 9372714010)

Tapping screw x 16)

(ø4

2

For installing a remote control (P/N 0700181108)

OPTIONAL PARTS

The following options are available.

Remote sensor :UTD-RS100 (P/N 9072619004)

External control set :UTD-ECS5A (P/N 9077359004)

IR receiver unit : UTY-LRHY1 (P/N 9048098000)

Drain pump unit : UTZ-PX1BBA(P/N 9052976004)

Edge cover

222008.04.22

OUTDOOR UNIT

9303029015

313166024302

9370244007

303020200114

Use Part number

For drain piping work

Q'ty

1

2

Name and Shape

Drain pipe

Drain cap

For use when connecting models 9-12 to outdoor port A

For sealing

1

Adapter assy

Putty

12.7 mm 9.52 mm

(1/2 in.) (3/8 in.)

0804G3430

Fujitsu ARHF09LALU, AOHA18LAT3, AOHA24LAT3 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual