Fujitsu ASU18RLF, ASU24RLF, AOU18RLXFW, AOU24RLXFW Service Manual

SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTED TYPE

Indoor unit Outdoor unit

ASU18RLF

ASU24RLF

AOU18RLXFW

AOU24RLXFW

CONTENTS

SPECIFICATIONS

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

1

DIMENSIONS

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

2

REFRIGERANT SYSTEM DIAGRAM

. . . . .

4

CIRCUIT DIAGRAM

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

5

ERROR DERECTION

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

6INDOOR PCB CIRCUIT DIAGRAM

. . . . . . .

9OUTDOOR PCB CIRCUIT DIAGRAM

. . . . .

15

PARTS (INDOOR UNIT)

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

16

PARTS (OUTDOOR UNIT)

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

20
24ACCESSORIES

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

2010.12.22 1

INDOOR UNIT H x W x D

H x W x D

12-5/8 x 39-1/4 x 9 inch 320 x 998 x 228 mm

OUTDOOR UNIT 32-3/4 x 35-3/8 x 13 inch 830 x 900 x 330 mm

DIMENSIONS

INDOOR UNIT

Shipping / Net

Shipping / Net

40 lbs / 31 lbs 18 kg / 14 kg

OUTDOOR UNIT

150 lbs / 135 lbs 68 kg / 61 kg

WEIGHT

SPECIFICATIONS

TYPE

Cool & heat inverter

INDOOR UNIT

OUTDOOR UNIT

ASU18RLF

AOU18RLXFW

COOLING CAPACITY

HEATING CAPACITY

POWER SOURCE 208 V / 230 V

FREQUENCY 60 Hz

RUNNING CURRENT

MAXIMUM CURRENT

Cooling

Heating

INPUT WATTS

Cooling

Heating

E.E.R.

Cooling

COP

Heating

MOISTURE REMOVAL

AIR CIRCULATION HIGH 541 cfm 920 m3/hr

18,000 BTU/h 5.28 kW

21,600 BTU/h 6.30 kW

6.2 A

14.5 A

8.0 A

1.35 kW

1.80 kW

13.3 BTU/kW 3.90 kW/kW

12.0 BTU/kW 3.50 kW/kW

5.9 Pt/h 2.8 L/hr

FAN MOTOR

TYPE

Hermetic type, 6 pole, DC inverter motor, Rotary

DISCRIMINATION

WEIGHT WITH OIL

N-TF30ND1A

REFRIGERANT TYPE

PRECHARGED REFRIGERANT

R410A

4 lb 10 oz 2,100 g

34.2 lb 15.5 kg

POWER SOURCE

230 V

High speed 1,260 r.p.m.

INDOOR UNIT

Middle speed

1,020 r.p.m.

Low speed 900 r.p.m.

Quiet

Cool

Heat

770 r.p.m.

OUTDOOR UNIT

620 r.p.m.

620 r.p.m.

ELECTRICAL DATA

COMPRESSOR AND REFRIGERANT

INDOOR UNIT

OUTDOOR UNIT

Cool 43 dB / Heat 44 dB

Cool 47 dB / Heat 50 dB

ASU24RLF

AOU24RLXFW

208 V / 230 V

60 Hz

659 cfm 1,120 m3/hr

22,000 BTU/h 6.50 kW

27,600 BTU/h 8.10 kW

7.9 A

15.5 A

10.5 A

1.76 kW

2.38 kW

12.5 BTU/kW 3.69 kW/kW

11.6 BTU/kW 3.40 kW/kW

6.3 Pt/h 3.0 L/hr

230 V

1,480 r.p.m.

1,220 r.p.m.

1,020 r.p.m.

900 r.p.m.

850 r.p.m.

800 r.p.m.

Cool 49 dB / Heat 49 dB

Cool 54 dB / Heat 55 dB

NOISE LEVEL

Pipe length

66 ft 20 m

4 lb 10 oz 2,100 g

FULL CHARGE

164 ft 50 m 7 lb 4 oz 3,300 g

ADDITIONAL CHARGE 0.43 oz/ft 40 g/m

DIMENSIONS

Unit : inch (mm)

Drain pipe diameter
Inside : 5/8 inch (16 mm)
Outside : 1-3/32 inch (28 mm)

Liquid pipe diameter : 3/8 inch (9.52 mm)
Gas pipe diameter : 5/8 inch (15.88 mm)

INDOOR UNIT

39-1/4" (998) 9" (228)

12-5/8"
(320)

2010.02.26 2

Unit : inch (mm)

OUTDOOR UNIT

3"(77)

35-1/2" (900)

32-3/4" (830)

17-3/8" (440)

7/8"

(21)

3/8"

(9)

15-3/4" (400)

13" (330)

1-1/4"

(31)

1/2"
(12)

7-3/4" (196)

5-3/4" (147)

6-3/4" (170)

3-7/8"

(99)

14-5/8" (370)

25-5/8" (650)

Air Flow

2010.02.26 3

REFRIGERANT
SYSTEM DIAGRAM

3-Way valve
(Small)

3-Way valve
(Large)

Strainer

Strainer

Muffler

Pressure
switch

4-Way valve

Expansion
valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

Sub-accumulator

Compressor

Refrigerant pipe diameter
Liquid : 3/8" (9.52 mm)
Gas : 5/8" (15.88 mm)

Cooling flow
Heating flow

2010.02.26 4

RED
RED

BROWN

BROWN

BLUE

BLUE

BLACK

BLACK

BROWN

BROWN

BLACK
BLACK

WHITE
YELLOW
ORANGE
BLUE
RED

BROWN
YELLOW
WHITE
BLACK

RED
RED

GREEN
WHITE
BLACK
WHITE

BLACK

VIOLET

WHITE

BLUE

YELLOW

BLACK

RED

BROWN

ORANGE

ORANGE

ORANGE

RED

WHITE

BLACK

WHITE

WHITE

BLACK

WHITE

1

2

GRAY

or WHITE

BLACK

WHITE

BLACK

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

BLACK

BROWN

RED

ORANGE

YELLOW

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

8

9

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

6

7

8

9

1

2

3

4

5

1

2

3

4

5

6

7

8

9

1

2

3

4

5

1

2

1

2

1

2

3

4

1

2

3

4

1

2

3

4

5

6

1

2

3

4

5

6

1

2

1

2

1

2

1

2

1

2

3

4

5

6

7

CN1

1

2

3

4

5

6

7

1

2

3

4

5

1

2

3

4

5

121

2

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

121

2

CN110

TM600

TM601

CN100

CN800

W4

W29
W28
W25
W26

W21

W9

W20

W19

W3
W18
W17

W2

W1

CN700

CN500

CN63

CN65

CN62

CN64

CN90

CN11

N

P

L2

L1

-I N

+I N

W8

W7

W13

W12

CN400CN200CN40CN42

CN303

CN301

W306

W307

TM102
TM101

W16

W17

TM301

TM302

TM303WTM305

U

TM304

V

S

T

R

CM

COMPRESSOR

POSISTOR

CHOKE COIL

TERMINAL

G

G

L2L13

21

PMV

FM

4WV

FAN MOTOR

EXPANSION VALVE

4-WAY VALVE

THERMISTOR ( DISCHARGE PIPE TEMP. )

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

THERMISTOR ( COMPRESSOR TEMP. )

HIGH PRESSURE SWITCH

ACTPM

CAPACITOR

PCB ASSY

TRANSISTOR

PCB ASSY

( I P M )

POWER SUPPLY

PCB ASSY

CONTROLLER PCB ASSY ( MAIN PCB )

POWER SOURCE

7
6
5
4
3
2
1

7
6
5
4
3
2
1

7
6
5
4
3
2
1

5
4
3
2
1

3
2
1

3
2
1

2
1

2
1

2
1

3
2
1

5
4
3
2
1

5
4
3
2
1

6
5
4
3
2
1

6
5
4
3
2
1

6
5
4
3
2
1

6
5
4
3
2
1

5

4

3

2

1

1
2
3
4
5
6

1
2
3
4
5
6

CN13

CN16CN14

CN10

CN3CN1

CN8

CN6

CN5

CN11

CN2

TM1

TM4 TM2

W5

CN201

BLUE
YELLOW
WHITE
BLACK

RED

BLUE
PINK

YELLOW
ORANGE
RED

BLUE
PINK
YELLOW
ORANGE

RED

BLUE
PINK
YELLOW
ORANGE
RED

GREEN

WHITE

RED

BLACK

BLACK

BLACK

BLACK

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

RED

BLACK

WHITE

RED

FM

TEST

FAN MOTOR

M

LOUVER
( DIFFUSER )

M

LOUVER
( UP / DOWN )

M

LOUVER
( RIGHT / LEFT )

G

1

2 3

TERMINAL

EX OUT
( OPTION )

EX I N
( OPTION )

THERMISTOR
( PIPE TEMP. )

THERMISTOR

( ROOM TEMP. )

WIRED REMOTE
CONTROL ( OPTION )

INDICATOR
PCB ASSY

THERMAL
FUSE 102

CONTROLLER PCB ASSY ( MAIN PCB )

INDOOR UNIT OUTDOOR UNIT

CIRCUIT DIAGRAM

2010.12.22 5

( AOU24RLXFW Only )

UL1061 AWG28 x 7

CN11-1 RED

CN11-2 WHITE

CN11-3 WHITE

CN11-4 WHITE

CN11-5 WHITE

CN11-6 WHITE

CN11-7 WHITE

UL1007 AWG26 x 2

CN2-1 BLACK

CN2-2 BLACK

CN3-1

CN3-2

RED

WHITE

BLACK

BLACK

CN13-1

CN13-2

CN13-4

CN13-3

CN13-5

UL1061 AWG26 x 5

UL1061 AWG26 x 5

UL1061 AWG26 x 5

UL3266 AWG22 x 5

UL1061 AWG26 x 3

CN5-1 RED

CN5-2 ORANGE

CN5-3 YELLOW

CN5-4 PINK

CN5-5 BLUE

CN10-6 RED

CN8-1 RED

CN8-2 ORANGE

CN8-3 YELLOW

CN8-4 PINK

CN8-5 BLUE

CN10-4 BLACK

CN10-3 WHITE

CN10-2 YELLOW

CN10-1 BLUE

CN2-3 YELLOW

CN2-1 RED

CN2-2 ORANGE

CN2-4 PINK

CN2-5 BLUE

CN6-1 RED

CN6-2 WHITE

CN6-3 BLACK

UL1015 AWG24 BLACK

UL1015 AWG24 WHITE

UL1015 AWG24 RED

L

N

SERIAL

E

1

2

3

M

M

M

F M

DC FAN MOTOR

LOUVER ( DIFFUSER )

LOUVER ( UP / DOWN )

LOUVER ( RIGHT / LEFT )

THERMISTOR
( ROOM TEMPERATURE )

THERMISTOR
( PIPE TEMPERATURE )

XARR

-03VF

XAP

-03V-1

EX OUT

EX I N

CN201
07 JB20 / PAP 1061

WHITE

1

2

3

4

5

6

7

1

2

3

4

5

6

7

1

2

3

4

5

6

7

1

2

3

1

2

1

2

1

2

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

6

1

2

3

4

5

6

6

5

4

3

2

1

CN11

B07B-A I SK-1

WHITE

CN14

B3B-XH-AM

WHITE

CN16

B2B-XH-AM

WHITE

CN3

JC25-02HG

WHITE

CN1

2P-SAN

WHITE

CN13

B5B-PH-K-S

WHITE

TEST

FLASH

CN9

B07B-PASK-1

WHITE

CN6
B05B-XASK-1-A

WHITE

CN2
SJH20-05WS

WHITE

CN5
SJH20-06WS

WHITE

CN8
B06B-PASK-1

WHITE

CN10
B5 ( 6-5 ) B-XARK-1-A

RED

TERMINAL

HP-T3064A-A29-L1

E

W5

GREEN

EARTH

TM2

22007

RED

SERIAL I N

TM1

22007

WHITE

N I N

TM4

22007

BLACK

L I N

F1

AC250V 3.15A

INDICATOR PCB ASSEMBLY

K05CY-0902HSE-D0

WIRED REMOTE CONTROL
( OPTION )

POWER SOURCE
AC208 - 230V
60Hz

CONTROLLER PCB ASSEMBLY
( MAIN PCB )
ASU18RLF : K09DR-0900HSE-C1
ASU24RLF : K09DR-1000HSE-C1

UL1015
AWG22

GREEN

EMI FILTER

ESD-R19
4 TURNS

CONTROL UNIT
ASU18RLF : EZ-0090DHSE
ASU24RLF : EZ-0104HSE

INDOOR PCB
CIRCUIT DIAGRAM

2010.10.13 6

F1

3.15A
250V

VA1
470V

<TNR>

C8

0.47

<LE>

C13

0.01

<KH>

C14

0.01

<KH>

L1

SS28V

<060330>

L2

0.6A - 10mH

D6

D3SB60

4

3

1

2

4

3

2

1

A

11 6

I C1-30

I C18-6

uLN2003ADR

5V

2

3

1

3

1 2

3

2

1

Q10

RT1N241M

5V

D14

DAN202K

5V

Q11

RT1N241M

R34
12k

<1/10W>

C29

0.22
<B>

I C8

TOP244YN

+

2

3

1

C27
47/
35V

Q7

2SA1037AK

R38

15k

<1/10W>

+

C33

47/

35V

6

542

1

3

D

F
S

C
L
X

340V

C32

0.01

<ECQE>

R45
100k

<RS-2W>

D8

1SS355

R49

5.6k

<1/10W>

R42
270

<1/10W>

C4
47p

<DEA>

R46, R120
22 <1/4W>

x 2

+

C6
100/
420V

D7

UF4007

D4

D1FL20U

C35, C61

0.01 <KH>
x 2

I C15

PS2561L-1-V

4

3

1

2

C

3

A

2

REF
1

I C19

TL431 I LP

D9

D1FL20U

+

C39
100/
50V

R76 47k
<1/10W>

1%

20V

C25

0.1

<F>

JM9
0R0

C38

0.1

<F>

R53

5.6k

<1/10W>

R48 200k

<1/10W>

1%

R67

150

<1/10W>

R64

1.8k

<1/10W>

+

C19
330/
25V

JM3
0R0

C22

0.1
<F>

7V

D16

1SS355

I C20

78M15

15V

A

C56

0.1
<F>

R8

1.0k

<RS-2W>

C42
330/
25V

+

1

2

3

I

O

G

1

3 2

VCC

OUT

GND

D15

1SS355

I C2

BA05T

5V

C17
330/
25V

+

C12

0.1
<F>

12V

+

T1

MY064

D12

D2FL20U

D10

D1FL20U

C37

1000/

25V

8
9
10

6

5
4

3
2
1

12

5

I C1-38

I C18-5

uLN2003ADR

5V

K10

G5NB-1A

I C18-1

uLN2003ADR

12V

4

2

1

3

1 16

I C1-4

9

8

VCC

G / V

VCC

G / V

VCC

G / V

989

8

12V

5V

SW1

KSMC632B

R32
10k

<1/10W>

R33

1.0k

<1/10W>

C28

0.01
<B>

5V

5V

C21

0.1
<F>

C20

0.1
<F>

C9

0.1

<F>

C7

0.1

<F>

C18

10/

25V

+

JM5
0R0

12V

F3

0.2A
30V

D2

D1F60

12V

12V

D3

DAN217U

1

2

3

8

4

VCC

G / V

+

-

+

-

12V

12V

5V

I C5-2

BA10393F

I C5-1

BA10393F

R30
10k

<1/10W>

R36

1.0k

<1/10W>

C60

1000p

<R>

I C7-1

uLN2003ADR

I C5-3

BA10393F

R31
390

<1/4W>

1%

C23

0.1
<F>

1

2
3

7

6

5

R21 15.4k
<1/10W>

1%

R22 28k
<1/10W>

1%

R17
10k

<1/10W>

161

I C1-41

I C1-55

X1

8.00MHz
<CSTLS>

R4, R5

10k <1/10W>

x 2

1

3

2

I C 1

78F1154AGK

C5

0.1
<F>

5V

R89

1.0k

<1/10W>

C57

0.01
<B>

R104

10k

<1/10W>

I C25

PS2561L-1-V

L4

0R0

L3

0R0

5V

R101
330

<1/10W>

C51

0.01
<B>

1

243

R35

10k

<1/10W>

5V

R86 - R88

10k <1/10W> x 3

5V

R41, R37, R40

100 <1/10W> x 3

R54
0R0

R9

10k

<1/10W>

5V

R90 - R92

330 <1/10W> x 3

C49

1000p

<R>

C47

1000p

<R>

R99, R98, R97

10k <1/10W>

x 3

L6, L7

BLm18 <BD102>

x 2

5V

R6

49.9k

<1/10W>

1%

C3

0.1

<F>

C16

0.1
<F>

C15

0.1
<F>

R13

1.0k

<1/10W>

R2

10k

<1/10W>

1%

C2

0.1

<F>

R14

1.0k

<1/10W>

12V

R109

10k

<1/10W>

BZ1

PKM13EPYH-4000-A0

BZ

I C18-7

uLN2003ADR

7 10

I C1-80

I C1-36

MANUAL AUTO
SWITCH

I C16-8

uLN2003ADR

I C7-8

uLN2003ADR

I C18-8

uLN2003ADR

5V

I C6

S-93C66B0 I

C26

0.1
<F>

R39
10k

<1/10W>

5V

R52
10k

<1/10W>

1
3
2

5

8
4
7
6

CS
D I
SK

GND

VCC

DO
NC

TEST

C101

4700p

<E>

VA6

470V

<TNR>

R114

390

<1/10W>

R105

10k

<1/10W>

R103

390

<1/10W>

C54

0.01
<B>

C50

0.01
<B>

R106

470

<1/4W>

R122

470

<1/4W>

5V

15V

R43
330

<1/10W>

Q6

DTC124EUA

5V

I C10

PS2561L-1-V

R51

1.0k

<1/4W>

+

C36
100/
25V

A

15V

340V

R63

6.8k

<1/4W>

R44

1.0k

<1/10W>

C30

1000p

<R>

R47

10k

<1/10W>

I C14

PS2561L-1-V

R56

4.7k

<1/10W>

R55
820

<1/4W>

1%

15V

4

3

1

2

1

2 3

4

2

3

1

I C1-39

I C1-40

12V

I C7-6 uLN2003ADR

I C7-5 uLN2003ADR

I C7-4 uLN2003ADR

I C7-3 uLN2003ADR

I C7-7 uLN2003ADR

I C16-3 uLN2003ADR

I C16-1 uLN2003ADR

I C16-2 uLN2003ADR

I C16-7 uLN2003ADR

I C16-6 uLN2003ADR

I C16-5 uLN2003ADR

I C16-4 uLN2003ADR

R110

10k

<1/10W>

R57, R60, R58

330 <1/10W> x 3

R113

47

<1/10W>

C58

1000p

<R>

C53

1000p

<R>

C40
100/
25V

+

C41

0.01
<B>

6

11

5

12

4

13

3

14

3

14

2

15

1

16

7

10

7

10

6

11

5

12

4

13

I C1-51

I C1-52

I C1-53

I C1-54

I C1-47

I C1-48

I C1-49

I C1-50

I C1-43

I C1-44

I C1-45

I C1-46

I C1-21

I C1-22

I C1-23

I C1-1

I C1-73
I C1-71
I C1-72
I C1-70

I C26-14

I C26-10

I C1-32

I C1-42

I C1-31

I C26-10
I C26-14

I C1-61

I C1-62

I C1-79

I C1-76

I C1-77

I C1-10

I C1-8

I C1-9

I C1-13

I C1-35

I C1-80
I C1-79

I C1-77
I C1-76

I C1-36
I C1-35

I C1-32
I C1-31
I C1-30
I C1-35

I C1-1

I C1-23

I C1-22

I C1-21

I C1-46

I C1-45

I C1-44

I C1-43

I C1-42

I C1-73
I C1-72
I C1-71
I C1-70
I C1-39
I C1-38
I C1-54
I C1-53
I C1-52
I C1-51
I C1-50
I C1-49
I C1-48
I C1-47

I C1-62
I C1-61
I C1-40

I C1-9
I C1-8

I C1-4

I C1-41
I C1-10
I C1-13

1

2

3

4

5

6

7

1

2

1

2

3

4

5

1

2

3

4

5

6

1

2

3

4

5

1

2

3

4

5

6

5

4

3

2

1

1

2

3

4

5

6

7

1

2

3

4

5

1

2

3

2

1

1

2

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

75

76

77

78

79

80

69

11

12

14

15

1

58

57

55

30

31

32

33

34

35

36

37

29

28

27

26

24

23

22

21

46

45

44

43

42

56

59

20

19

P00
P01
P02
P03
P04
P05
P06
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P30

P31

P40
P41
P42
P43
P44

P45
P46
P47
P50
*RESET
FLMD0
REGC

GND

AGND
EGND

VCC

EVCC
AVREF0
AVREF1

P51
P52
P53
P54
P55
P60
P61
P62
P63
P64
P65
P66
P67
P70
P71
P72
P73
P74

P75
P76
P77

P90
P110
P111
P120
P121

P122
P123
P124
P130
P140
P140

P142
P143
P144
P145

CN6
B05B-XASK-1-A

WHITE

CN16
B2B-XH-AM

WHITE

CN11
B07B-PASK-1

WHITE

CN5
SJH20-06WS

WHITE

CN2
SJH20-05WS

WHITE

CN8
B06B-PASK-1

WHITE

CN10
B5 ( 6-5 ) B-XARK-1-A

RED

CN13

B5B-PH-K-S

WHITE

CN9

B06B-PASK-1

WHITE

CN14

B3B-XH-AM

WHITE

18 14

10

5 4

3

2

1

12345

678

TM4

TM1

W5

B

L - I N

N - I N

E

I C 2 6

H I 2 0 0 3 R 3

SERIAL

TM2

THERMISTOR ( ROOM TEMP. )

CN1

150-103-86172

CN3

02 / 03 JC25 / XARR

THERMISTOR ( PIPE TEMP. )

TEST

FLASH

EX I N

A

WIRED REMOTE CONTROL UNIT

EX OUT

INDICATOR PCB ASSY

LOUVER ( UP / DOWN )

LOUVER ( RIGHT / LEFT )

LOUVER ( DIFFUSER )

DC FAN MOTOR

INDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
ASU18RLF : K09DR-0900HSE-C1
ASU24RLF : K09DR-1000HSE-C1

2010.10.13 7

CN201
07 JB20 / PAP
1061 L=230

5V

C201

0.1

<F>

5V

+ C202

47/

10V

R201

47

<1/4W>

I C201

GP1UM261RKVF

5V

D201

SLR-325MC

D203

SLR-325MC

D202

SLR-325DC

5

4

6

1

2

3

7

2
1
3

VCC
OUT
GND

GREEN

ORANGE

GREEN

INDOOR UNIT
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0

2010.10.13 8

UL3271 AWG14 x 3

RED

WHITE

BLACK

COMPRESSOR

EMI FILTER

ZCAT2132-1130

1 T

9

8 7 6 543 2

1

543 2

11

2

4

3 2

1

2

12

1

1

2 3 4 567 8

9

1

2 3 4 5

2

1

UL3271
AWG20

ORANGE

UL3271
AWG20

ORANGE

UL1015
AWG14

BLACK

UL1015
AWG14

BLACK

UL1015
AWG14

WHITE

UL1015
AWG20

BLACK

UL1015
AWG20

WHITE

UL3271
AWG20

RED

UL3271
AWG16

GREEN

UL3271
AWG14

WHITE

UL3271
AWG14

WHITE

UL1015
AWG14

WHITE

UL1015
AWG14

VIOLET

UL1015
AWG14

YELLOW

UL1015
AWG14

BLUE

UL1015
AWG14

BLACK

UL1015
AWG14

RED

6 543 2

1

EMI FILTER

ZCAT1518-0730

1 T

EMI FILTER

ZCAT1518-0730

2 T

EMI FILTER

ZCAT1518-0730

2 T

EMI FILTER

ZCAT1518-0730

1 T

EMI FILTER

ZCAT2132-1130

1 T

EMI FILTER

ZCAT2132-1130

2 T

EMI FILTER
ZCA2132-1130

1 T

UL1015
AWG14

ORANGE

UL1015
AWG14

BROWN

1
2
3
4
5
6

1
2
3

4

5
6

1
2

1
2

1
2
3

1
2
3

1
2
3

1
2
3

UL1007 AWG24 x 5

WHITE

UL1007 AWG24 x 9

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

UL1015 AWG20 x 2

UL1007 AWG24 x 4

BLACK

YELLOW

ORANGE

RED

BROWN

UL1430 AWG24 x 2

WHITE

BLACK

GRAY or WHITE

BLACK

UL3271 AWG14 x 2

UL3271 AWG20 x 2

BLACK

WHITE

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

BLACK
BLACK

RED
RED

BROWN

BROWN

BLUE

BROWN

BROWN

BLUE

BLACK

BLACK

231

4

+

-

D100

D25XB60

TM101

TM102

W12

B

W13

B

W8

B

W7

B

W17

B

W16

B

TM301

TM302

W306

B

W307

B

TM305

TM303

TM304

CN40

1971032-9

WHITE

I P M CONTROL

CN42

1971032-5

WHITE

REVERSE CURRENT

CN200

1-1747052-2

RED

VDC I N

CN400

1-1971032-4

RED

ACTPM CONTROL

CN1

1871843-2

WHITE

POWER RELAY CONTROL

CN110

3-1747052-4 ( G I C7.92-2P )

YELLOW

VAC I N 1

TM601

TM600

REVERSE CURRENT

CN303

1971032-5

WHITE

I P M CONTROL

CN301

1971032-9

WHITE

CN801
B5 ( 7-2.3 ) B-XASK-1-A

WHITE

CN700
B6B-XARK-1-A

RED

CN500
1747052-1

WHITE

CN90
1-1871843-2 ( G I C2.5-2P )

RED

CN64
2-1971032-3

BLUE

CN62
1971032-3

WHITE

CN63
3-1971032-3

YELLOW

CN65
1-1971032-3

RED

L1

L2

P

N1

+

-

W4

B

SERIAL

RED

W19

B

W20

B

CT I N / OUT

W9

B

W21

B

CT100

W25

B

W26

B

W29

B

W28

B

PTC THERMISTOR

( AOU24RLXFW Only )

ZPR0YCE400A300

F101

5A

250V

W3

B

W18

B

W17

B

W1

B

W2

B

EARTH

1

2

3

L

N

POWER SOURCE
AC208 - 230V
60Hz

TO I NDOOR UNIT

M

DC FAN MOTOR

ELECTRIC EXPANSION VALVE

4-WAY VALVE

PRESSURE SWITCH

THERMISTOR ( COMPRESSOR TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

THERMISTOR ( DISCHARGE TEMP. )

THERMISTOR ( PIPE TEMP. )

C. M.

CHOKE COIL

L=0.32MH 30A

CAPACITOR PCB ASSEMBLY
AOU18R : K05FB-0902HUE-P0
AOU24R : K05FB-0903HUE-P0

( AOU24RLXFW Only )

TRANSISTOR PCB ASSEMBLY
( I P M )
AOU18R : K07BT-0905HUE-TR0
AOU24R : K07BT-0906HUE-TR0

I C404

( ACTPM )

PM601BSG

POWER SUPPLY PCB ASSEMBLY
AOU18RLXFW : K09DH-1001HUE-FL0
AOU24RLXFW : K09DH-1002HUE-FL0

F100

5A

250V

CONTROLLER PCB ASSEMBLY ( MAI PCB )
AOU18RLXFW : K07BS-100WHUE-C1
AOU24RLXFW : K07BS-100YHUE-C1

RED

BLACK

WHITE
YELLOW
BROWN

F. M.

7

INVERTER ASSEMBLY
AOU18RLXFW : EZ-01019HUE
AOU24RLXFW : EZ-0101AHUE

OUTDOOR PCB
CIRCUIT DIAGRAM

2010.12.22

9

5

4

3

2

1

5V

5V

R40

10k

<1/10W>

D670

DAN217U

3

2

1

R41

1.0k

<1/10W>

C42

1000p

<B>

C670

0.1

<F>

R674

1.0k

<1/10W>

R84

1.0k

<1/10W>

5V

R85

4.7k

<1/10W>

C74
470p
<CH>

5V

I C1

MB90467

17

16

2

35

3

59

58

60

21

34

47

27

28

29

30

31

32

33

57

41

42

43

44

10

9

8

7

5

6

4

22

23

2

1

3

49

24

13

48

19

1

61

62

63

64

20

18

15

14

55

54

53

52

51

50

46

45

12

39

38

37

36

40

26

25

11

56P63

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

X0

X1

VCC

AVCC

P00

P01

P17

P13

P14

P15

P16

AVR

P24

P25

P30

P31

P32

P33

P34

P35

P60

P61

MD0

MD1

P44

P43

P42

P41

P45

RSTX

P27

AGND

GND

GND

X1

4.00MHz
<FCR>

R11

1.0k

<1/10W>

C11

0.1
<F>

R10

100k

<1/10W>

C12

0.1
<F>

5V

I C10

BU4842F

2

134

VDD

OUTNCGND

JM102

JM103

JM101

R903, R902, R901
10k <1/10W> x 3

5V

R6

1.0k

R7
10k

<1/10W>

5V

SW2

KSHC611BT

I C30

M93C66

5V

C30

0.1
<F>

R31
10k

<1/10W>

15V

C43

0.1
<F>

-8V

A

A

A

18V

D12

1SS355

I C5
7818

D6

D1FL20U

+

C9

220/

50V

C19

0.1 <F>

+

C10

10/50V

D1FL20U x 3D7

D8

D9

15V

C13

330/25V

+

12V

+

1

2

3IGO

1 32I

G

O

+

+

5V

D13

1SS355

T1

RPZ-1F

10

9
8
7

6

1
2
3
4
5

I C3

TOP243PN

D5

UF4005

R19
0R0

R12
0R0

C8

2200p

<E>

R18
150k

<2W>

R14

560k

<1/8W>

1%

15V

R15 - R17

510k

<1/8W>

1%
x 3

C211

33/

450V

+

1

2
3
4

8

7

5

M

S
S
C

S
S

D

+

R13

47

<1/10W>

C6
47/

35V

D4

1SS355

D2

1SS355

D3

UDZS8.2B

C7

0.1

<F>

F201

3.15A - 250V

R900

10k

<1/10W>

C1

0.1

<F>

12V

D1

SLR-332VR

<RED>

R3

2.2k

<1/10W>

C5

0.1

<F>

12V

I C2

uLN2003ADR

16
15

14
13
12
11

10

9

8

7

6

5

4

3

2

11C
2C

3C
4C
5C
6C

7C
COM

1B
2B

3B
4B
5B
6B

7B
E

C2, C3

0.1 <F> x 2

5V

C4
10/
25V

+

R4

10k

<1/10W>

5V

JM2

R2

10k

<1/10W>

5V

U

X

V

Y

W

Z

D10

1SS355

-8V

+

C18
100/
25V

C14
470/
25V

R26 10k
<1/10W>

C22

0.1
<F>

C15
100/
25V

C17
100/
25V

C16

0.1

<F>

I C4
7805

C601

0.1

<F>

R603

22k

<1/10W>

R601

1.0k

<1/10W>

1%

R602

4.75k

<1/10W>

1%

+

C600

220/
25V
<A>

R600

1.0k

<1/10W>

1%

D600

DAN217U

5V

CT600
CT-1B

1

2

3

3

5 2

1

18 14

10

5 4 3

2

1

5

4 3

2

1

6

7

8

5V

5V

F110

T 3.15A 250V

FH110

FH111

PFC5000-0502 x 2

C21

0.01
<B>

R23

1.0k

<1/10W>

Q200

2SC2412K

<BQ>

R24

1.0k

<1/10W>

R21

27k

<1/10W>

R20

10k

<1/10W>

C20

0.022
<B>

R22

1.0k

<1/10W>

1

3

2

132

4

K500

G5NB-1A

JM501

12V

JM502

JM504

CR500
RE1202

0.2/120

12V

L800

15V

15V

C802

0.1
<F>

R800

27k

<1/10W>

R801

22k

<1/10W>

+

C800

4.7/
50V

5V

5V

D800

DAN217U

C801

0.01
<B>

R803

1.0k

<1/10W>

Q801

DTA143EUA

Q800

DTC143EUA

R802
10k

<1/10W>

3

1

2

3

1

2

3

2 1

R90

1.0k

<1/10W>

C90

0.1

<F>

5V

R91

2.2k

<1/10W>

H Y I C 2 0 H U 2 0 0 1 R 3

L60

BL02Rn1

L90
BL02Rn1

5V

R62

10k

<1/10W>

R60

10k

<1/10W>

R64

10k

<1/10W>

R69

10k

<1/10W>

C62

0.1
<F>

C61

0.1
<F>

C63

0.1
<F>

R68
13k

<1/10W>

R65

38.3k

<1/10W>

1%

R61

13k

<1/10W>

C60

0.1

<F>

R63

4.75k

<1/10W>

1%

18V

18V

D11

ZP1027-TP

C400

0.01
<F>

Q400

DTA143EUA

R401

22k

<1/10W>

R30
10k

<1/10W>

C401
1000p

<B>

Q401

DTC143EUA

A

A

5V

2

1

3

2

3

1

R403, R402

270

<1/10W>

1% x 2

5V

R952, R951, R950

10k <1/10W> x 3

R954

1.0k

<1/10W>

R955

22k

<1/10W>

ACTPM CONTROL

CN400
1-1971032-4

RED

4

3

2

1

WN

VN

UN

WP

VP

UP

-8V

+15V

I PM CONTROL

CN40
1971032-9

WHITE

9

8

7

6

5

4

3

2

1

CN42
1971032-5

WHITE

1

2

CN200

1-1747052-2

RED

DC VOLT I N

TM601

TM600

CN110

3-1747052-4

YELLOW

AC VOLT I N

2 L

1 N

SERIAL

B

W4

RED

SELIAL

CN500

1747052-1

WHITE

CN1

1871843-2

WHITE

POWER RELAY CONTROL

1

2

1

4

5

6

7

CN801

B5 ( 7-2.3 ) B-XASK-1-A

WHITE

DC FAN MOTOR

THERMISTPR ( PIPE TEMP. )

THERMISTPR ( DISCHARGE TEMP. )

CN62

1971032-3

WHITE

CN64

2-1971032-3

BLUE

THERMISTPR ( OUTDOOR TEMP. )

THERMISTPR ( COMPRESSOR TEMP. )

3

2

1

3

2

1

2

1

P-FANPWM

P-FAN-I N

P-SO
P-PR
P-LED
P-V4-DC
P-V4-AC
P-DBG-4

P-AN-TE

P-AN-TD

P-AN-TA

P-POWER

P-S I

P-AN-CT

P-S I

TRES

TCK
TRXD

TMODE

P-E2P-D I

P-EPV-A

P-U
P-X
P-V
P-Y

P-W
P-Z

P-POWER

P-E2P-SK

TAUX

P-TTR I P-FO

P-AN-DC

P-POS

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

P-E2P-CS
P-E2P-SK
P-E2P-D I

1
2

3
7

5

6

4

8CS

SK

D I

NC

VCC

DO

TEST

GND

TAUX
TTXD
TRXD

TMODE

TAUX3

TCK

TRES

P-FAN-I N

P-DBG-4

P-FANPWM

P-AN-CT

TTXD

TAUX3

P-POS

P-V4-AC

P-V4-DC

P-LED

P-PR

P-SO

P-TTR I P-FO

P-E2P-CS

P-EPV-B

P-EPV-D

P-EPV-C

P-AN-DC

P-AN-TE

P-AN-TA

P-AN-TD

I C700

TD62064

12V

C700

0.1
<F>

R703
R702
R700
R701

1.5k <1/10W> x 4

2
7
9

16

4

5
12

13

3

6
11
14

1

8
10

15

O1
O2
O3
O4
GND1

GND2
GND3

GND4

I 1

I 2
I 3

I 4
COM1

COM2

NC1

NC2

P-EPV-D
P-EPV-C
P-EPV-A
P-EPV-B

ELECTRIC EXPANSION VALVE A

CN700

B05B-PL I SK-1

1

2

3

4

5

12V

JM503

CN90

1-1871843-2

RED

1

2

PRESSURE SWITCH

CN65

1-1971032-3

RED

CN63

3-1971032-3

YELLOW

3

2

1

3

2

1

C65

0.1

<F>

C91

0.01
<F>

4-WAY VALVE

R956, R953

10k <1/10W> x 2

R52

10k

<1/10W>

5V

C49
0R0

REVERSW CURRENT

5V

R645

10k

<1/10W>

R651

10k

<1/10W>

5V

P_SW_PRS

P_SW_PRS

P_AFS

P_AFS

P_AN_CP

P_AN_CP

SERVICE JUMPER

2010.10.19 10

OUTDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
AOU18RLXFW : K07BS-100WHUE-C1
AOU24RLXFW : K07BS-100YHUE-C1

37

23

22

21

24

25

26

27

28

36
35
34
33
32
31

38

13

15

20

16

18

7

9

10

12

1

3

4

6 UP

VP1
VUFB
VUFS
VP
VP1
VVFB

VVFS
WP
VP1
VNO
VWFB
VWFS
NCNWNV

NU

W

V

U

P

WN

VN

UN

FO

CFO

C I N

VNC

VN1

-

+

7

5

6

+

-

1

3

2

3

2

1

3

2

1

I PM-G

I PM-G

I PM-G

POWER-GND

POWER-G

R55
0R0

C50
0R0

I P M-GND

I C70-2

BA2903F-E2

C161

0.1

<X7R>

D100

LL25XB60

I C301
AOU18RLXFW : PS21765
AOU24RLXFW : PS21767

C324

C325

C326

0.1 <F>
x 3

R360

68

<1/4W>

C311 - C316

1000p <B> x 6

I P M-GND

R80

5.6k

<1/10W>

1%

R108

4.3k

<1/10W>

1%

R81

33k

<1/10W>

1%

R107

39k

<1/10W>

1%

C72

470p

<B>

I P M-GND

C73

330p

<B>

C71

0.1

<F>

C70

10/

25V

+

I C70-1

BA2903F-E2

15V

D70, D71

DAN217Ux 2

C300

0.1

<F>

-8V

15V

C301

0.1

<F>

+

C308

47/

35V

I P M-G

9

8

7

6

5

4

3

2

1

+15V

-8V

UP

VP

WP

UN

VN

WN

L70

R71
150k

<1/3W>

1%

R70
120k

<1/3W>

1%

R69

120k

<1/3W>

1%

R77

143

<1/10W>

1%

R76

5.76k

<1/10W>

1%

470

<1/10W>

x 6

R316
R317
R318
R319
R320
R321

120k

<1/3W>

1% x 6

R68

R65

R62

R67

R64

R61

R66

R63

R60

150k

<1/3W>

1% x 3

R304

0R0

C332

0.1
<F>

+

C302

100/

35V

L300

BL02Rn1

15V

C327

0.022
<F>

C330
100p
<B>

D307

ZP1027-TP

1

2

3

4

5

2

3 4

1

+

-

W306

B

WHITE

P

N

POWER-G

CN301

1971032-9

WHITE

D301 - D303

US1J x 3

C323

C322

C321

0.22
<F>

x 3

C305

C304

C303

+

+

+

47/

35V

x 3

CN303

1971032-5

WHITE

TM101

ORANGE

TM102

BROWN

TM301

YELLOW

R284, R285, R302

0.04 <5W> x 3

R312

820

<1/10W>

TM305 RED
U

TM304 WHITE
V

TM303 BLACK
W

TM302

BLUE

OUTDOOR UNIT
TRANSISTOR PCB ASSEMBLY ( I P M PCB )
AOU18RLXFW : K07BT-0905HUE-TR0
AOU24RLXFW : K07BT-0906HUE-TR0

2010.10.13 11

W307

B

BLACK

W16

B

RED

W17

B

BLACK

12V

K101

G4A-1A

or

DW12D1

C108

3.3

<LE>

L102

N200500K1D7C-02N

R101

ZPR0RCH400

PTC THERMISTOR

12V

L101

RCH3818-022PF07

C106

3.3

<LE>

4

3

1 2

3

241

4

3

L100

RCH3818-022PF07

1 2

C103

3.3

<LE>

C104, C105

0.022
<YE>

x 2

C100

3.3

<LE>

SA100

RA-302M

VA100, VA101

470V

<TNR>

x 2

F101

5.00A
250V

F100

5.00A
250V

CN100

172520-2

POWER RELAY CONTROL

W28

B

ORANGE

W29

B

BROWN

1

2

W1

B

BLACK

W2

B

WHITE

W17

B

BLACK

W18

B

WHITE

W3

B

GREEN

W19

B

BLACK

W20

B

WHITE

N

L

N

TO I NDOOR UNIT

EARTH

AC VOLT OUT

C101, C102

0.033
<YE>

x 2

L

POWER SOURCE

W21

B

GRAY

CT OUT

W9

B

BLACK

2010.12.22 12

OUTDOOR UNIT
AOU18RLXFW
POWER SUPPLY PCB ASSEMBLY
K09DH-1001HUE-FL0

12V

K101

G4A-1A

or

DW12D1

C108

3.3

<LE>

L102

N200500K1D7C-02N

12V

L101

RCH3818-022PF07

C106

3.3

<LE>

4

3

1 2

3

241

4

3

L100

RCH3818-022PF07

1 2

C103

3.3

<LE>

C104, C105

0.022
<YE>

x 2

C100

3.3

<LE>

SA100

RA-302M

VA100, VA101

470V

<TNR>

x 2

F101

5.00A
250V

F100

5.00A
250V

CN100

172520-2

POWER RELAY CONTROL

W25

B

ORANGE

W26

B

ORANGE

PTC OUT

W28

B

ORANGE

W29

B

BROWN

1

2

W1

B

BLACK

W2

B

WHITE

W17

B

BLACK

W18

B

WHITE

W3

B

GREEN

W19

B

BLACK

W20

B

WHITE

N

L

N

TO I NDOOR UNIT

EARTH

AC VOLT OUT

C101, C102

0.033
<YE>

x 2

L

POWER SOURCE

W21

B

GRAY

CT OUT

W9

B

BLACK

2010.12.22 13

OUTDOOR UNIT
AOU24RLXFW
POWER SUPPLY PCB ASSEMBLY
K09DH-1002HUE-FL0

W7

B

YELLOW

W8

B

BLUE

W12

B

WHITE

W13

B

VIOLET

P

N

+

+

+

C200 - C202

660/

450V

x 3

POWER_G

W7

B

YELLOW

W8

B

BLUE

W12

B

WHITE

W13

B

VIOLET

P

N

+

+

POWER_G

AOU24RLXFW
CAPACITOR PCB ASSEMBLY
K05FB-0903HUE-P0

OUTDOOR UNIT
AOU18RLXFW
CAPACITOR PCB ASSEMBLY
K05FB-0902HUE-P0

2010.10.13 14

C201

660/

450V

C203

660/

450V

Wired remote

control

error code

ECONOMY

(Green)

TIMER

(Orange)

OPERATION

(Green)

Indoor room thermistor error

Indoor unit main PCB error

Connection unit number error

Connection disabled (series error)

Scan error

Indoor unit capacity error

Initial setting error (for simultaneous multi)

Remote controller communication error

LED

Serial communication error

Water drain error

Indoor unit fan motor error

Indoor unit error

Inverter PCB error
Active filter error, PFC circuit error

Discharge thermistor error
Compressor thermistor error
Outdoor unit heat Ex. thermistor error
Outdoor thermistor error
Suction gas thermistor error

Heat sink thermistor error
Sub-cool heat Ex.gas thermistor error
Liquid pipe thermistor error
Current sensor error

Compressor motor control error
Outdoor unit fan motor 1 error
4-way valve error

Compressor temperature error

Pressure error 2

Discharge temperature error

Pressure sensor error (Pressure sensor or switch error)
Trip detection

Communication error

Field setting error

Indoor unit PCB, switch error

Indoor unit sensor error

Indoor unit actuator error

Outdoor unit PCB error

Outdoor unit sensor error

Outdoor unit sensor 2 error

Outdoor unit actuator error

Refrigerant circuit error

Manual auto switch error

Pressure error 1

Indoor heat Ex. thermistor error

Damper error

IPM error

Outdoor unit main PCB error

Display panel error

Operation valve thermistor error

Mater unit and slave unit setting error

System error

Circuit parts error
Switch error

32

24

23

15

35

22

21

12

11

41
42

53

51

5U

62
63

6A
71
72
73
74

76
77
82
83
84

94
95

A5

86

97

A1

A4

99

27

57

64
65

75

A3

General section Detail section

ERROR DETECTION

INDOOR UNIT

(4)

(3)

(3)

(2)

(2)

(1)

(2)

(2)

(1)

(1)

(4)

(6)

(5)

(5)

(6)

(7)

(7)

(6)

(7)
(7)
(7)

(7)

(8)
(8)

(8)

(8)

(9)

(9)

(9)

(9)

(10)

(10)

(10)

(2)

(5)

(6)
(6)

(7)

(10)

(2)

(5)

(2)

(4)

(2)

(5)

(3)

(1)

(2)

(1)

(1)

(2)

(3)

(1)

(3)

(2)

(1)

(4)

(3)
(4)
(5)

(7)

(3)
(4)

(2)

(6)

(7)

(5)

(4)

(9)

(5)

(3)

(1)

(7)

(7)

(5)

(10)

(6)

(4)

: 0.5s ON / 0.5s OFF

( ) : Number of flashing

: 0.1s ON / 0.1s OFF

2010.12.22 15

9305642045

Remote control
holder

Name and Shape Part number

9315023018

9379219013

0600185541

0700076046

9310519004

UTR-FA13-1
9312153060

UTR-FA13-2
9311925071

Remote control

Battery (penlight)

Cloth tape

Tapping screw (big)

Wall hook bracket

ACCESSORIES

9368568009

9301102000

313166024302

Tapping screw (small)

0700019036

Air cleaning filter

Air cleaning filter
frame

Drain pipe (Outdoor unit)

Drain cap (Outdoor unit)

2010.12.22 24

1011G3847