Fujitsu abyf24lb Service manual

SPLIT TYPE
ROOM AIR CONDITIONER

FLOOR CONSOLE /
UNDER CEILING
DUAL TYPE

Indoor unit Outdoor unit

ABYF18LAT
ABYF18LAT
ABYF18LAT
ABYF18LAT
ABYF18LBT
ABYF18LBT
ABYF24LAT
ABYF24LAT
ABYF24LAT
ABYF24LAT
ABYF24LBT
ABYF24LBT

AOYA18LACL
AOYA18LALL
AOYB18LACL
AOYB18LALL
AOYA18LALL
AOYB18LALL
AOYA24LACL
AOYA24LALL
AOYB24LACL
AOYB24LALL
AOYA24LALL
AOYB24LALL

CONTENTS

SPECIFICATIONS
OUTLINE AND DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
CIRCUIT DIAGRAM
PCB CIRCUIT DIAGRAM
ERROR DISPLAY
PARTS (indoor unit)
PARTS (outdoor unit)
ACCESSORIES

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. . .

1
2
5
6

7
17
20
30
33

SPECIFICATIONS

ELECTRICAL DATA

TYPE

INDOOR UNIT

OUTDOOR UNIT

COOLING CAPACITY 5.20 kW

HEATING CAPACITY 6.00 kW

POWER SOURCE

FREQUENCY

RUNNING
CURRENT

INPUT WATTS

E.E.R.

COP

MOISTURE REMOVAL 2.0 L/hr

AIR CIRCULATION HIGH

COOLING 7.4 A

HEATING 7.7 A

COOLING 1.70 kW

HEATING 1.75 kW

COOLING 3.06 kW/kW

HEATING 3.43 kW/kW

ABYF18LAT, ABYF18LBT

AOYA18LA_L

230 V

50 Hz

7.1 A

7.3 A

1.62 kW

1.66 kW

3.21 kW/kW

3.61 kW/kW

780 m3/hr

Cool & heat inverter

ABYF24LAT, ABYF24LBT

AOYB18LA_L

AOYA24LA_L

3.21 kW/kW

3.61 kW/kW

9.7 A

9.7 A

2.21 kW

2.21 kW

980 m3/hr

AOYB24LA_L

7.10 kW

8.00 kW

230 V

50 Hz

10.1 A

10.2 A

2.32 kW

2.33 kW

3.06 kW/kW

3.43 kW/kW

2.7 L/hr

FAN MOTOR

POWER SOURCE

HIGH-SPEED

INDOOR UNIT
( cool / heat )

OUTDOOR UNIT

MED-SPEED

LOW-SPEED

QUIET 740 / 740 r.p.m.

230 V

1,040 / 1,040 r.p.m.

950 / 950 r.p.m.

800 / 800 r.p.m.

860 / 820 r.p.m.

NOISE LEVEL

INDOOR UNIT ( cool / heat )

OUTDOOR UNIT ( cool / heat )

43 dB / 43 dB

50 dB / 50 dB

COMPRESSOR AND REFRIGERANT

TYPE

DISCRIMINATION

WEIGHT (with oil)

PRECHARGED REFRIGERANT

REFRIGERANT TYPE

Pipe length

FULL CHARGE

ADDITIONAL REFRIGERANT

15 m 1,250 g

20 m 1,350 g

Hermetic type, 4 pole, 3 phase,

DA130A1F-25NA

9.6 kg 10.0 kg

1,250 g

R410A R410A

20 g/m

230 V

1,330 / 1,300 r.p.m.

1,150 / 1,150 r.p.m.

1,000 / 1,000 r.p.m.

780 / 780 r.p.m.

1,050 / 1,050 r.p.m.

48 dB / 48 dB

52 dB / 53 dB

DC inverter motor, Rotary

DA150A1F-20NA

1,700 g

1,700 g

1,800 g

20 g/m

DIMENSIONS

INDOOR UNIT

OUTDOOR UNIT

H x W x D

H x W x D

578 x 790 x 300 mm

WEIGHT

INDOOR UNIT

OUTDOOR UNIT

2009.07.13 1

Shipping / Net

Shipping / Net

44 kg / 40 kg

199 x 990 x 655 mm

578 x 790 x 315 mm

36 kg / 27 kg

48 kg / 44 kg

OUTLINE AND DIMENSIONS

INDOOR UNIT

Unit : mm

655

(rear view)

990

500

199

200175

530

900

2006.10.16 2

OUTDOOR UNIT
AOY_18LA_L

Unit : mm

Top view

30066790

578

10

347

Front view

Side view

540

Air flow

320

184

121

Drain pipe

Bottom view

4- 10mm hole

mounting place
( 20)

2008.06.26 3

177

189

OUTDOOR UNIT
AOY_24LA_L

Unit : mm

Top view

31566790

578

10

347

Front view

Side view

540

Air flow

320

184

121

Drain pipe

Bottom view

4- 10mm hole

mounting place
( 20)

2008.06.26 4

177

189

REFRIGERANT SYSTEM DIAGRAM

OUTDOOR UNIT

Heat exchanger

INDOOR UNIT

Muffler

3-Way
valve

Muffler

4-Way
valve

Heat exchanger

Accumulator

Compressor

Strainer

Cool
Heat

: THERMISTOR (COMPRESSOR TEP.)
: THERMISTOR (DISCHARGE TEP.)
: THERMISTOR (HEAT EXCHANGER MED TEP.)
: THERMISTOR (HEAT EXCHANGER OUT TEP.)
: THERMISTOR (OUTDOOR TEP.)

Refrigerant pipe diameter
ABYF18L_T / AOY_18LA_L
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.70 mm)
ABYF24L_T / AOY_24LA_L
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)

Expansion
valve

Strainer

2-Way
valve

: THERMISTOR (PIPE TEP.)
: THERMISTOR (ROOM TEP.)

2008.06.26

5

CIRCUIT DIAGRAM

INDOOR UNIT

STEP MOTOR

STEP MOTOR

FAN MOTOR

F M

GREEN /

YELLOW

WHITE

REACTOR

YELLOW

YELLOW

12

2

1

FUSE 250V 20A

BLACK

N

WHITE

RED

BLACK

BLACK
BROWN
BROWN

BROWN
BROWN

BLACK

BLACK

BLACK

BLACK

WHITE

BLACK

OUTDOOR UNIT

W10
W11

1

1

2

2

CN71

3

3

4

4

121

CN73

2

CONTROLLER PCB ASSY

121

CN72

2

1

1

CN70

2

2

3

3

RED

W4

W2

W1

W3

GREEN

( MAIN PCB )

RED

W7
W8
W9

CN801

CN40

CN30 4-WAY VALVE

RED
WHITE
BLACK

RED

1

1

2

2

BLACK

3

3

WHITE

4

4

YELLOW

5

5

BLUE

6

6

RED

1

1

BROWN

2

2

BLUE

3

3

ORANGE

4

4

YELLOW

5

5

WHITE

6

6

BLACK

1

1

2

2

BLACK

3

3

1

1
2
3

WHITE

2

3

BLACK

R (R)

COMPRESSOR

C M

S (S)

C (T)

F M

FAN MOTOR

EXPANSION VALVE

PMV

4WV

1

1 2

CN5

BLACK
BLACK

2

1

CN7

2

1

1

2

2

CN8

GRAY

1

1

GRAY

2

2

BLACK

BLACK

THERMISTOR
( PIPE TEMP. )

THERMISTOR
( ROOM TEMP. )

THERMISTOR ( PIPE TEMPE. )

1
2

CN3

3

BROWN

1

1

2

2

ORANGE

3

M

M

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

3

4

4

5

5

1

1
2

2

3

3

4

4
5

5

BROWN

YELLOW

YELLOW

WHITE

BROWN

ORANGE

YELLOW

WHITE

WHITE
BLACK

RED

RED

RED

1
2
3
4
5
6

1

2
3
4
5

1

2
3
4
5

1
2
3
4
5
6

E101

1
2
3

CN12CN11CN9CN10

4
5

1

CONTROLLER

2
3
4
5

1
2
3

1
2

CN105

PCB ASSY

( MAIN PCB )

CN4

3 4 5 6 7 8

1 2

3 4 5 6 7 8

1 2

GRAY

GRAY

GRAY

4 567

3

1 2

4 567

3

1 2

F101

FUSE

GRAY

CN104

3.15A 250V

E102

1 2

GRAY

GRAY

GRAY

GRAY

8
8

POWER

SUPPLY

PCB ASSY

CN103

1 2

3

CN1

2 3

1

2 3

1

GRAY

GRAY

2 3

1

2 3

1

CN101

W105
W102
W101

CN108CN102

1 2

1

1

RED

1

1

ORANGE

2

2

YELLOW

3

3

WHITE

4

4

BLUE

5

5

PURPLE

6

6

GRAY

7

7

RED

1

1

WHITE

2

2

BLACK

CN14

3

3

1

2

2

2

3

3

3

4

4

4

5

5

5

6

6

6

7

7

7

8

8

8

TERMINAL

1
2

CN6 CN13

1 2 3

TO REMOTE CONTROL UNIT

( OPTION )

GRAY

CN106

1
2

RED
WHITE
BLACK

1

TERMINAL

2

3

INDICATOR PCB ASSY

THERMISTOR ( DISCHARGE PIPE TEMP. )

THERMISTOR ( COMPRESSOR TEMP. )

THERMISTOR ( PIPE - MID. TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

FUSE 250V 5A

BLACK

BLACK

TERMINAL

2

1 3 L

( N )

POWER SOURCE

GREEN

GREEN

2008.06.26 6

OUTDOOR UNIT

DC FAN MOTOR

F M

INDOOR PCB CIRCUIT DIAGRAM

CONTROL UNIT
ABYF18LAT : EZ-0070MHSE
ABYF24LAT : EZ-0070PHSE

UL1015 AWG20 RED

3

UL1015 AWG20 WHITE

2(N)

UL1015 AWG20 BLACK

1

TERMINAL BOARD

W101

W102 W105

UL1015
AWG16

GREEN

E101

UL1015
AWG16

GREEN

E102

ABYF18LAT, ABYF24LAT
POWER SUPPLY PCB ASSEMBL

B5P6-VH-B

1
2
3
4
5
6
7
8

EMI FILTER

ZCAT2132-1130

1 T

B2P3-VH-B-E

DRAIN PUMP

B2B-XH-AM

E I B OUT

B3B-XH-AM

E I B I N

CN105

BLACK
WHITE

YELLOW

BROWN

CN106

CN103

CN102

CN105-6

RED

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

CN106-1
CN106-2

CN103-1
CN103-2

CN102-1
CN102-2
CN102-3

K06AL-0600HSE-P0

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

CN101-1
CN101-2
CN101-3

POWER DRIVE

CN104
B08B-PASK-1

GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY

DC SUPPLY
CN101
B03B-PASK-1

EMI FILTER

ZCAT1518-0730

1 T

B06B-XASK-1-A

FLASH

B06B-PASK-1

SP PCB

B02B-PAOK-1

HEATER

B08B-PASK-1

B03B-PASK-1

GRAY
GRAY
GRAY

B03B-XARK-1-A

FLOAT SWITCH

CN15

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

CONTROLLER PCB ASSEMBLY
ABYF18LAT : K06AK-0705HSE-C1
ABYF24LAT : K06AK-0706HSE-C1

CN3

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

CN10

CN10-1
CN10-2

CN4

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

CN1

CN1-1
CN1-2
CN1-3

CN9

CN9-1
CN9-2
CN9-3

CN8-1
CN8-2

CN7-1
CN7-2

CN5-1
CN5-2

CN13-1
CN13-2
CN13-3
CN13-4
CN13-5
CN13-6
CN13-7

CN14-1
CN14-2
CN14-3

CN6-1
CN6-2

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

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

CN12-1
CN12-2
CN12-3
CN12-4
CN12-5

CN8
B2B-XASK-1-A

BLACK
BLACK

CN7
B2B-XAYK-1-A

CN5
B2B-XAKK-1-A

GRAY
GRAY

UL1430 AWG24 x 2

CN13
B07B-PASK-1

1

RED

2

ORANGE

3

YELLOW

4

WHITE

5

BLUE

6

PURPLE

7

GRAY

8

CN14
B3B-XAKK-1-A

UL1430 AWG22 RED

UL1430 AWG22 WHITE

UL1430 AWG22 BLACK

CN6
B02B-PAMK-1

FRESH AIR

CN2
B5P-SHF-1AA

TEST

CN11
B05B-XASK-1-A

BROWN
RED
ORANGE
YELLOW
WHITE

BROWN
RED
ORANGE
YELLOW
WHITE

CN12
B05B-XARK-1-A

ROOM THERMISTOR

THERMISTOR ( PIPE - ENTRANCE TEMP. )

BLACK
BLACK

THERMISTOR ( PIPE - MID. TEMP. )

INDICATOR PCB ASSEMBLY

K04EI-0800HSE-D0

CN201

S08B-PASK-2

1
2
3
4
5
6
7
8

EARTH

CN201-1
CN201-2
CN201-3
CN201-4
CN201-5
CN201-6
CN201-7
CN201-8

3 2 1

TERMINAL BOARD

REMOTE CONTROL

LOUVER ( UP / DOWN )

M

LOUVER ( RIGHT / LEFT )

M

2008.05.09 7

INDOOR UNIT
CONTROLLER PCB ASSEMBLY
ABYF18LAT : K06AK-0705HSE-C1
ABYF24LAT : K06AK-0706HSE-C1

D4

1SS355

I C8

O

I

G

2

D1

I C2

3

O

I

G

2

1.0K <1/10W> x 4

5V

R19

R22

12V

C3

0.01
<F>

CUSTOM CODE

C2

+

10/

CUSTOM CODE

50V

HEATING FAN DELAY

5V

C32

+

100/

6.3V

R20
R21

C4 - C7

0.01 <F> x 4

CN1

B03B-PASK-1

DC SUPLLY

CN2

B5P-SHF-1AA

TEST

13.5V
NJM7812

1

2

3

5V

50V

1 3

C1

+

10/

1SS355

NJM7805

1

R15 - R18

5V

10K <1/10W> x 4

1

2

3

4

5

5V

10K <1/10W> x 3

13.5V

R23

<1/10W>

R26
10K

R32

R67 1.0K

<1/10W>

5V

1.0K <1/10W> X 3R63
R64

C35 C12 C11

1000P <R> x 3

R25

1.0K

<1/10W>

R65

C14
1000P
<R>

C37

0.1
<F>

CN3

B06B-PASK-1

SP PCB

1

2

3

4

5

6

R24

R66

5V

R29

R28

390

10K

<1/10W>

R34

1.0K

C15

0.01
<F>

C17

0.01
<F>

<1/10W>

1

Q1
DTC124EKA

C18

0.01
<B>

3

C16

0.01
<F>

2

CN4

B08B-PASK-1

POWER DRIVE

CN6

B02B-PAMK-1

FRESH AIR

CN10

B02B-PAOK-1

HEATER

1

2

3

4

5

6

7

8

13.5V

1

2

1

2

13.5V

R30
10K

<1/10W>

<1/10W>

5V

<1/10W>

R33
10K

R27

330

<1/10W>

R31
10K

5V

<1/10W>

2008.05.09 8

JM1

JM2

JM3

C33

0.1
<F>

<1/10W>

Q3
DTC124EKA

3

2

5V

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

C28

0.1
<F>

R70
10K

1

R4 - R6

1.0K <1/10W> x 3

SW1

CFS-0402MC

8
7

6
5

13.5V I C3
uLN2003ADR

9

SK

I 1

16

O1

I 2

O2

15

I 3

14

O3

I 4

13

I 5

O4

12

O5

I 6
I 7

11

O6

10

O7

8

GND

1

2

3
4
5
6
7

C8 - C10

0.1 <F> x 3

4
3

2
1

C36

0.47
<F>

5V

I C1

uPD78F0535

34

AVREF

39

I C
RST

36
43

P00

44

P01
P02

45
46

P03

33

P10

32

P11

31

P12

30

P13

29

P14

28

P15

27

P16

26

P17

18

P20

19

P21

20

P22

21

P23

22

P24

P25

23

P30

11
12

P31

13

P32

14

P33

38

XT1

37

XT2

41

X1
X2

40

AGND

25

9

GND0

42

GND1

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

R7 - R10

1.0K <1/10W> x 4

AVDD

VDD0
VDD1

35
10
24
15

P34

16

P35
P36

17
57

P40

58

P41

59

P42
P43

60

P44

61

62

P45

63

P46

64

P47
P50

1
2

P51

3

P52

4

P53

5

P54

6

P55
P56

7

8

P57

53

P64

54

P65

55

P66

56

P67

47

P70

48

P71

49

P72
P73

50
51

P74

52

P75

3

2

1

X1

5.00MHz
<CSTS>

C19 - C22

0.1 <F> x 4

JM5
0R0

JM6
0R0

C31

0.01
<F>

<1/10W>

R46

1.0K

<1/10W>

C27

0.1

<F>

R37
10K

<1/10W>

R45
10K

<1/10W>

5V

R56

100K

0.1 <F>

C38

FLOAT SWITCH
CN9
B03B-XARK-1-A

1

2

3

5V

I C7

S80842

2

3

NC

VDD

1

4

OUT GND

R40
10K

<1/10W>

1

CS

VCC

2

SK

DO

3

D I

NC

6

GND

NC

I C5

BR93L56RF-WE2

DTC124EKA

1

5V

ROOM TEMP. TH.

1

CN8

2

C25

50V

12V

R48
10K

1
2
3
4

5

6
7

10/

I C4

1

2

1

2

5V

+

GND

DAN217U

1 2

3

13.5V

9

SK
O1

16
15

O2

14

O3
O4

13

12

O5

11

O6

10

O7

8

B02B-XASK-1-A

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

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

5V

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

R52
10K
<1/10W>

C26

0.01
<F>

D2

12V

D3
D1FS4A

FLASH
CN15

5V

B06B-XASK-1-A

1

2

3

4

5

6

INDICATOR
CN13
B07B-PASK-1

1

2

3

4

5

6

7

CN14
B03B-XAKK-1-A
REMOTE CONTROL UNIT

1

2

3

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

1

2

3

4

5

1

2

3

4

5

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

C29

0.1
<F>

C30

0.1
<F>

C34

0.1
<F>

NC

R57

1.0K

<1/10W>

R58

1.0K

<1/10W>

R62

1.0K

<1/10W>

R41 1.0K

<1/10W>

R43
10K

<1/10W>

R59
10K
<1/10W>

R60

49.9K
<1/10W>

R61

49.9K
<1/10W>

5V

<1/10W>

R44
10K

5V

C23

8

C13

4

0.1

7
5

<F>

0.01
<F>

5V

R55
10K
<1/10W>

Q2

3

2

R36
0R0

PKM13EPYH-4000-A0

C24
1000P
<R>

7

BA10393F

1

BA10393F

R47
390

<1/10W>

R35

1.0K

<1/10W>

B Z

BZ1

R42

47

<1/10W>

6

-

5

+

I C6-2

2

-

3

+

I C6-1

13.5V

12V

R54

15.4K
<1/10W>

R53
28K
<1/10W>

<1/10W>

uLN2003ADR

1
2
3
4

5

6
7

I
I
I

I
I
I
I

W101

BLACK

W102

WHITE

L

I C26-14

F101

BET 3.15A - 250V

FH101

FH102

VA101

470V

<TNR>

RA-362M

PFC5000-0702F
x 2

VA102

SA101

470V

<TNR>

INDOOR UNIT
ABYF18LAT, ABYF24LAT
POWER SUPPLY PCB ASSEMBLY
K06AL-0600HSE-P0

LF101

ELF17N015A

1

2

C104

0.47

<R46>

4

3

C105

0.01
<YE>

C106

0.01
<YE>

L101

REP28-15

15mH, 1.1A

E102

GREEN

<RS-2W>

C108

4700P

D102

1SR139-600

15V

+

R110

10K

<1/10W>

R103

62K

ZFT22B03-C

2

3
5
6
7
8

D106

D1FL20U

C110 0.047 <ECQB>

D103
D1FL20U
D104
MTZJ5.1B

R109

330

<1/4W>

T101

D105

D1FL20U

C111
100/

+

25V

D108

D2FL20U

12

C113

10

1000/

A

25V

C114

0.01
<KH>

C115

0.01
<KH>

R108
100
<1/2W>

13.5V

R111

+

10K
<1/10W>

340V

<ECQP>
R104
330K
<2W>

C109

220P/

2.0kV

R105

1.5

75

Q101
2SC5354

2

3

2SC1815

R107

100

<1/10W>

1

Q102

1

2

3

D107

RD16M

<B1>

C112

330/

25V

D101

1

D3SB60

3

2

4

C107

100/

450V

+

<ECKE>

<RS-2W>

R106

<RS-2W>

C118

0.01
<KH>

I C26-10

2008.04.14 9

E101

N

GREEN

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

DC SUPPLY

CN104

B08B-PASK-1

CN101

B03B-PASK-1

CN105

<1/4W>

<1/10W>

I C101

TLP621

<GB>

L103

BLm18

<AG601>

R115

6.8K

R113

330

5V

340V

L102

BLm18

<AG601>

1

2

B5P6-VH-B

6

5

4

3

2

1

G5NB-1A

4

2

R112
330
<1/10W>

DC FAN MOTOR

K101

1

3

3

2

1

C116

0.01
<B>

13.5V

CN102
B3B-XH-AM

15V

I C103

<GB>

1

A

15V

R114

4.7K
<1/10W>

3

4

5V

1

2

3

4

5

6

7

8

1

2

3

1

2

TLP621

I C104

<GB>

15V

4

3

R116

1.0K

<1/4W>

R117

<1/4W>

5V

C121

0.1
<F>

820

+

C117
100/
25V

AA

13.5V

C120

0.1
<F>

TLP621

4

3 2

CN103
B2B-XH-AM

2

1

W105

RED

SERIAL

I C 1 0 5

H I 2 0 0 2 R 2

13.5V

RC101
120/0.2

5 4

5 4 3 2

3 2 1

1

5V

CN106
B2P3-VH-B-E

2

1

DRAIN PUMP

IC26-10

101418

6

N

K102

G5NB-1A

342

1

8

7

IC26-14

L

IC26-14

L

IC26-10

N

INDOOR UNIT
ABYF18LAT, ABYF24LAT
INDICATOR PCB ASSEMBLY
K04EI-0800HSE-D0

5V

TO MAIN PCB

( OPERATE )

( TIMER )

( LOUVER )

( 5V )

( REMOTE SIGNAL )

( GND )

( MANUAL AUTO SWITCH )

CN201

08 / 08 JC25 / XMR

1430 L=200

BROWN

RED

ORANGE

YELLOW

WHITE

BLUE

PURPLE

GRAY

R202 220

<1/4W>

R203 390

1

2

3

4

5

6

7

8

<1/4W>

R204 560

<1/4W>

3

1

4

2

SW201

EVQPAG04K

D206
EMPG3863X-J300K GREEN

D207
EMAA3863X-J300K ORANGE

D208
EBR3864X-J300K RED

C202

+

10/
25V

C201

0.1
<F>

PHA201

PIC-37143TH5

2

VCC

OUT

1
3

GND

JM201

2008.06.26 10

DC FAN MOTOR

OUTDOOR UNIT

F M

DRAIN PUMP

E I B OUT

E I B I N

3

2(N)

1

TERMINAL BOARD

UL1015
AWG16

GREEN

UL1015
AWG16

GREEN

CN105

B5P6-VH-B

1
2

BLACK

3

WHITE

4

YELLOW

5

BROWN

6
7
8

EMI FILTER

ZCAT2132-1130

1 T

CN106

B2P3-VH-B-E

CN103

B2B-XH-AM

CN102

B3B-XH-AM

INDOOR UNIT
CONTROL UNIT
ABYF18LBT : EZ-00810HSE
ABYF24LBT : EZ-0080WHSE

UL1015 AWG20 RED

UL1015 AWG20 WHITE

UL1015 AWG20 BLACK

W101

W102 W105

E101

E102

ABYF18LBT, ABYF24LBT
POWER SUPPLY PCB ASSEMBL
K06AL-0800HSE-P0

CN105-6

RED

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

CN106-1
CN106-2

CN103-1
CN103-2

CN102-1
CN102-2
CN102-3

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

CN101-1
CN101-2
CN101-3

POWER DRIVE

CN104
B08B-PASK-1

GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY

DC SUPPLY

CN101
B03B-PASK-1

EMI FILTER

ZCAT1518-0730

1 T

B06B-PASK-1

SP PCB

B02B-PAOK-1

HEATER

B08B-PASK-1

B03B-PASK-1

GRAY
GRAY
GRAY

B03B-XARK-1-A

FLOAT SWITCH

CONTROLLER PCB ASSY
ABYF18LBT : K06AK-080FHSE-C1
ABYF24LBT : K06AK-080DHSE-C1

CN3

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

CN10

CN10-1
CN10-2

CN4

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

CN1

CN1-1
CN1-2
CN1-3

CN9

CN9-1
CN9-2
CN9-3

CN8-1
CN8-2

CN7-1
CN7-2

CN5-1
CN5-2

CN13-1
CN13-2
CN13-3
CN13-4
CN13-5
CN13-6
CN13-7

CN14-1
CN14-2
CN14-3

CN6-1
CN6-2

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

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

CN12-1
CN12-2
CN12-3
CN12-4
CN12-5

CN8
B2B-XASK-1-A

BLACK
BLACK

CN7
B2B-XAYK-1-A

CN5
B2B-XAKK-1-A

GRAY
GRAY

UL1430 AWG24 x 2

CN13
B07B-PASK-1

CN14
B3B-XAKK-1-A

CN6
B02B-PAMK-1

1

RED

2
3

ORANGE
YELLOW

4
5

WHITE

BLUE

6
7

PURPLE
GRAY

8

UL1430 AWG22 RED

UL1430 AWG22 WHITE

UL1430 AWG22 BLACK

FRESH AIR

CN2
B5P-SHF-1AA

TEST

CN11
B05B-XASK-1-A

BROWN
RED
ORANGE
YELLOW

WHITE

BROWN
RED
ORANGE
YELLOW

WHITE

CN12
B05B-XARK-1-A

BLACK
BLACK

INDICATOR PCB ASSEMBLY

CN201

S08B-PASK-2

1
2
3
4
5
6
7
8

EARTH

REMOTE CONTROL

THERMISTOR ( ROOM TEMP. )

THERMISTOR ( PIPE - ENTRANCE TEMP. )

THERMISTOR ( PIPE - MID. TEMP. )

K04EI-0801HSE-D0

CN201-1
CN201-2
CN201-3
CN201-4
CN201-5
CN201-6
CN201-7
CN201-8

3 2 1

TERMINAL BOARD

LOUVER ( UP / DOWN )

M

M

LOUVER ( RIGHT / LEFT )

2008.12.11 11

INDOOR UNIT
CONTROLLER PCB ASSEMBLY
ABYF18LBT : K06AK-080FHSE-C1
ABYF24LBT : K06AK-080DHSE-C1

2008.12.11

CN1

B03B-PASK-1

DC SUPLLY

CN2

B5P-SHF-1AA

TEST

CN3

B06B-PASK-1

SP PCB

CN4

B08B-PASK-1

POWER DRIVE

CN6

B02B-PAMK-1

FRESH AIR

CN10

B02B-PAOK-1

HEATER

1

2

3

1

2

3

4

5

1

2

3

4

5

6

1

2

3

4

5

6

7

8

13.5V

1

2

1

2

5V

13.5V

13.5V

13.5V

5V

C1
10/

50V

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

5V

10K <1/10W> x 3

R24

R23

<1/10W>

+

<1/10W>

1SS355

NJM7805

1

R32

R26
10K

R30
10K

1SS355

NJM7812

1 3

I

R67 1.0K

<1/10W>

5V

<1/10W>

D4

I C8

O

I

G

2

D1

I C2

5V

3

O

G

2

R19

R22

1.0K <1/10W> x 4

R66

C35 C12

R25

1.0K

<1/10W>

5V

R31
10K

<1/10W>

5V

R33
10K

<1/10W>

R27
330

<1/10W>

12V

C2

+

10/

50V

C3

0.01
<F>

R20
R21

1.0K <1/10W> X 3R63

1000P <R> x 3

C15

0.01
<F>

C17

0.01
<F>

R34

1.0K

CUSTOM CODE

CUSTOM CODE

HEATING FAN DELAY

R64

R65

C11

R28

10K

<1/10W>

1

Q1
DTC124EKA

C18

0.01
<B>

5V

<1/10W>

3

2

C14
1000P
<R>

R29
390

C37

0.1
<F>

C16

0.01
<F>

5V

+

C32
100/

6.3V

C4 - C7

0.01 <F> x 4

JM1

JM2

JM3

C33

0.1
<F>

<1/10W>

Q3
DTC124EKA

3

2

5V

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

C28

0.1
<F>

R70
10K

1

R4 - R6

1.0K <1/10W> x 3

SW1

CFS-0402MC

8
7

6
5

I C3

13.5V
uLN2003ADR

9

SK

I 1

16

O1

I 2

O2

15

I 3

14

O3

I 4

13

I 5

O4

12

O5

I 6
I 7

11

O6

10

O7

8

GND

1

2

3
4
5
6
7

C8 - C10

0.1 <F> x 3

4
3

2
1

C36

0.47
<F>

5V

I C1

uPD78F0536

34

AVREF

39

I C
RST

36
43

P00

44

P01
P02

45
46

P03

33

P10

32

P11

31

P12

30

P13

29

P14

28

P15

27

P16

26

P17

18

P20

19

P21

20

P22

21

P23

22

P24

P25

23

P30

11
12

P31

13

P32

14

P33

38

XT1

37

XT2

41

X1
X2

40

AGND

25

9

GND0

42

GND1

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

R7 - R10

1.0K <1/10W> x 4

AVDD

VDD0
VDD1

P34

P35
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

12

35

10

24
15
16
17

57
58
59

60

61

62

63

64

1
2
3
4
5
6

7

8

53

54

55

56

47

48

49
50

51

52

3

2

1

X1

5.00MHz

<FCR5.0MC5T>

C19 - C22

0.1 <F> x 4

JM5
0R0

JM6

0R0

C31

0.01
<F>

R45
10K

<1/10W>

R46

1.0K

<1/10W>

C27

0.1

<F>

R37
10K

<1/10W>

5V

R56

100K

<1/10W>

0.1 <F>

FLOAT SWITCH
CN9
B03B-XARK-1-A

1

2

3

5V

S80842

2

VDD

1

OUT GND

C38

<1/10W>

1

CS

2

SK

3

D I

6

NC

BR93L56RF-WE2

DTC124EKA

I C7

R40
10K

I C5

5V

THERMISTOR ( ROOM TEMP. )

1

CN8

2

C29

0.1
<F>

C30

0.1
<F>

C34

0.1
<F>

3

NC

NC

4

R57

1.0K

<1/10W>

R58

1.0K

<1/10W>

R62

1.0K

<1/10W>

R41 1.0K

<1/10W>

R43
10K

<1/10W>

R59
10K
<1/10W>

R60

49.9K
<1/10W>

R61

49.9K
<1/10W>

5V

<1/10W>

R44
10K

5V

C23

0.01
<F>

GND

8

VCC

C13

4

DO

0.1

7

NC

5

<F>

5V

R55
10K
<1/10W>

Q2

3

1

2

R36
0R0

PKM13EPYH-4000-A0

C24

<1/10W>
1000P
<R>

-

7

+

I C6-2

BA10393F-E2

1

+

I C6-1

BA10393F-E2

R47
390

<1/10W>

13.5V

R35

1.0K

<1/10W>

B Z

BZ1

R42

-

47

12V

6
5

R54

15.4K
<1/10W>

2

3

R53
28K
<1/10W>

<1/10W>

uLN2003ADR

1

I

2

I

I

3
4

I

5

I
I

6

I

7

B02B-XASK-1-A

THERMISTOR ( PIPE-ENT. TEMP. )

1

CN7

2

B02B-XAYK-1-A

1

THERMISTOR ( PIPE-MID. TEMP. )
CN5

2

B02B-XAKK-1-A

5V

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

5V

C25

C26

+

10/

0.01

50V

<F>

12V

D2

12V

3

R48
10K

DAN217U

1 2

13.5V

I C4

9

1

SK
O1

16

2
3

15

O2

4

14

O3

5

O4

13

12

O5

6

11

7

O6

10

O7

8

GND

R52
10K
<1/10W>

D3
D1FS4A

INDICATOR
CN13
B07B-PASK-1

1

2

3

4

5

6

7

CN14
B03B-XAKK-1-A
REMOTE CONTROL UNIT

1

2

3

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

1

2

3

4

5

1

2

3

4

5

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

W101

BLACK

W102

WHITE

L

I C26-14

F101

BET 3.15A - 250V

FH101

FH102

VA101

470V

<TNR>

RA-362M

PFC5000-0702F
x 2

VA102

SA101

470V

<TNR>

INDOOR UNIT
ABYF18LBT, ABYF24LBT
POWER SUPPLY PCB ASSEMBLY
K06AL-0800HSE-P0

LF101

ELF17N015A

1

2

C104

0.47

<R46>

4

3

C105

0.01

<YE>

C106

0.01

<YE>

L101

REP28-15

( 15mH, 1.1A )

E102

GREEN

C108

4700P

<FSN>

D102

1SR139-600

15V

+

R110

10K

<1/10W>

R103

62K

<RS-2W>

D106

D1FL20U

C110 0.047 <ECQB>

D103
D1FL20U
D104
MTZJ5.1B

R109

330

<1/4W>

T101

ZFT22B03

2

3
5
6
7
8

D105

D1FL20U

C111

100/

+

25V

D108

D2FL20U

12

C113

10

1000/

A

25V

C114

0.01

<KH>
C115

0.01

<KH>

R108
100
<1/2W>

13.5V

R111

+

10K
<1/10W>

340V

R104
330K

<2W>

C109

220P/

2.0kV

R105

1.5

75

Q101
2SC5354

2

3

2SC1815

R107

100

<1/10W>

1

Q102

1

2

3

RD16M

D107

<B1>

C112

330/
25V

D101

1

D3SB60

3

2

4

C107

+

100/

450V

<ECKE>

<RS-2W>

R106

<RS-2W>

C118

0.01

<KH>

POWER DRIVE

B08B-PASK-1

SERIAL I N

SERIAL I NT

SERIAL ON

DRAIN PUMP

DC FAN-OUT

DC FAN-FEEDBACK

EX. SIGNAL-OUT

EX. SIGNAL-I N

DC SUPPLY

I C26-10

CN104

CN101

B03B-PASK-1

E101

N

GREEN

CN105
B5P6-VH-B

6

5

4

3

2

1

G5NB-1A

4

2

I C101

TLP621

<GB>

4

3

BLm18

<AG601>

DC FAN MOTOR

K101

1

3

L102

BLm18

5V

<AG601>

1

2

L103

13.5V

R112
330
<1/10W>

C116

0.01
<B>

CN102
B3B-XH-AM

3

2

1

2

1

E I B I N

R115

6.8K

<1/4W>

R113

<1/10W>

340V

330

15V

I C103

<GB>

1

A

15V

R114

4.7K
<1/10W>

5V

1

2

3

4

5

6

7

8

1

2

3

1

2

I C104

TLP621

<GB>

15V

4

3

R116

1.0K

<1/4W>

R117

<1/4W>

5V

C121

0.1
<F>

820

+

C117
100/
25V

AA

13.5V

C120

0.1
<F>

TLP621

4

3 2

2008.12.11 13

W105

CN103
B2B-XH-AM

8

RED

SERIAL

E I B OUT

VA103

0.01

<KH>

IC26-14

7

L

IC26-14

L

IC26-10

N

I C 1 0 5

H I 2 0 0 2 R 2

101418

6

IC26-10

G5NB-1A

342

1

N

K102

13.5V

5 4 3 2

3 2 1

5 4

RC101
120/

0.2

1

5V

CN106
B2P3-VH-B-E

2

1

DRAIN PUMP

INDOOR UNIT
ABYF18LBT, ABYF24LBT
INDICATOR PCB ASSEMBLY
K04EI-0801HSE-D0

5V

TO MAIN PCB

( OPERATE )

( TIMER )

( LOUVER )

( LOUVER )

( 5V )

( REMOTE SIGNAL )

( GND )

( MANUAL AUTO SWITCH )

CN201

08 / 08 JC25 / XMR

1430 L=200

BROWN

RED

ORANGE

YELLOW

WHITE

BLUE

PURPLE

GRAY

R202 220

<1/4W>

R203 390

1

2

3

4

5

6

7

8

<1/4W>

R204 560

<1/4W>

3

1

4

2

SW201

EVQPAG04K

D206
EMPG3863X-J300K GREEN

D207
EMAA3863X-J300K ORANGE

D208
EBR3864X-J300K RED

C202

+

10/
16V

C201

0.1
<F>

PHA201

PIC-37143TH5

2

VCC

OUT

1
3

GND

JM201

2008.12.11 14

OUTDOOR PCB CIRCUIT DIAGRAM

INVERTER ASSEMBLY
AOYA18LA_L : EZ-0069HUE
AOYB18LA_L : EZ-007FHUE
AOYA24LA_L : EZ-006AHUE
AOYB24LA_L : EZ-007GHUE

TO INDOOR UNIT

POWER SOURCE
AC230V
50Hz

SERIAL

L

N

TERMINAL

1

2

3

4

5

W103
UL1015 AWG20

BLACK

W100
UL1015 AWG20

WHITE

W102
UL1015 AWG20 BLACK

W101

BLACK

UL1015
AWG14

EMI FILTER
ATFC-25-15-12
2 TURN

DISCHARGE THERMISTOR

PIPE THERMISTOR

OUTDOOR THERMISTOR

F202

5A - 250V

F201

20A - 250V

EMI FILTER

ATFC-25-15-12

2 TURN

EMI FILTER

ATFC-25-15-12

EARTH

1 TURN

UL1015 AWG14

BLACK

UL1015 AWG14

WHITE

UL1015 AWG20

RED

UL1015 AWG16

GREEN

BLACK

BLACK

BROWN

BROWN

BLACK

BLACK

B

W1
( A-1 )

B

W2
( B-1 )

B

W4
( D-1 )

B

W3
( C-1 )

1

CN71

2

B04B-PASK-1

3

WHITE

4

1

CN70

2

B03B-PASK-1

WHITE

3

REACTOR

UL3271 AWG16

WHITE

UL3271 AWG14

RED

W10 W11

B B

INVERTER PCB ASSEMBLY
AOYA18LA_L : K06AX-0600HUE-C1
AOYB18LA_L : K06AX-0706HUE-C1
AOYA24LA_L : K06AX-0601HUE-C1
AOYB24LA_L : K06AX-0707HUE-C1

CN30

B2P3-VH-B-C

BLACK

CN801

B5P6-VH-B-L

WHITE

W7

B

W8

B

B

W9

1

2

3

1

2

3

4

5

6

U

RED

V

WHITE

W

BLACK

UL3271 AWG16 x 3

BLACK

BLACK

RED

BLACK

WHITE

YELLOW

BROWN

EMI FILTER

RED

WHITE

BLACK

4-WAY VALVE

F M

COMPRESSOR

C M

DC FAN MOTOR

COMPRESSOR THERMISTOR

PIPE ( MID ) THERMISTOR

BROWN

BROWN

BLACK

BLACK

CN73

1

B02B-XAMK-1-A

2

GREEN

1

CN72
B02B-XH-AM

2

WHITE

2009.07.13 15

CN40

B6B-XARK-1-A

1

2

3

4

RED

5

6

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

M

EXPANSION
VALVE MOTOR

OUTDOOR UNIT
INVERTER PCB ASSEMBLY
AOYA18LA_L : K06AX-0600HUE-C1
AOYB18LA_L : K06AX-0706HUE-C1
AOYA24LA_L : K06AX-0601HUE-C1
AOYB24LA_L : K06AX-0707HUE-C1

POWER SOURCE
AC230V
50Hz

B2P3-VH-B-C

EARTH

GREEN

SERIAL

RED

CN30

L

BLACK

N

WHITE

4-WAY VALVE DRIVE

4-WAY VALVE

CN801

B5P6-VH-B-L

WHITE

FAN MOTOR

CN40

B06B-XARK-1-A

RED

EXPANSION VALVE

CN73

B02B-XAMK-1-A

GREEN

COMPRESSOR THERMISTOR

CN72

PIPE ( MID ) THERMISTOR

B2B-XH-AM

CN71

B04B-PASK-1

PIPE THERMISTOR

DISCHARGE THERMISTOR

CN70

OUTDOOR THERMISTOR

B03B-PASK-1

2009.07.13 16

LINE FILTER

W1

VA1

470V

<TNR>

VA2

470V

<TNR>

W2

SA1

RA-302M

W3

8 7 1

W4

SERIAL COMMUNICATION

C1

1.0

<LE>

L1

RCH4716

1

2

3

4

H Y I C 1

G K - 3 0 4 3 4 E

101418

6

0.01

<KH>

0.01

<KH>

5V

JM32

15V

L800
BL02Rn1
C802

0.1
<F>

12V

R10 4.75K

1%

R12
13K

5V

L70 BL02Rn1

R71

4.75K 1%

R72
13K

1%

R73

38.3K
1%

CR30
RE1201

0.1/120

R801

C800

1.0K

100/

<1/4W>

25V

+

R802

5V

560
<1/4W>

POW-GND

R803 10K

<1/10W>

DC FAN MOTOR COMMUNICATION CIRCUIT

12V

I C40

TD62064

2

3

O1

I 1

7

O2

6

I 2

11

I 3

9

O3

16

14

I 4

O4
GND1

4

1

COM1

5

GND2

8

COM2

12

GND3

10

NC1

R13
10K

R11
10K

R77
10K

NC2

15

C10

0.1
<F>

C71

0.1 <F>

C72

0.1

<F>

C73

0.1

<F>

C40

0.1

<F>

13

GND4

1%

TEMPERATURE SENSING CIRCUIT

R75
10K

R76
10K

JM31

15V

Q801
DTA143EUA

1

2

3

5V

2

1

D600
DAN217U

3

EXPANSION VALVE CONTROL

R40 - R43

1.5K <1/10W> x 4

EPV2 / 42P
EPV1 / 45P

5V

R14

2.2K
1%

R17

R16

22K

22K

1%

1%

TH / 10P

C11

0.1
<F>

TE / 5P

SLR-332VR

TD / 4P

TA / 6P

FTR-F3

1

3

R804

1.0K

EPV3 / 44P
EPV4 / 43P

SO / I C80-2P

V4-AC / I C80-3
V4-DC / I C80-4
PR / I C80-5
ACFAN / I C80-6

1

3

2

=

POW-GND

DC-F

1

2

3

4

5

6

L40

1

2

3

4

5

6

1

2

1

2

1

2

3

4

1

2

3

C75

0.1

<F>

C4

C5

5 432 1

5

3

4

SO / I C80-2P

<LE>

K30

2

12V

4

V4-AC / I C80-3P

Q800
DTC143EUA

3

1

C12

0.1
<F>

D80

<RED>

C801

0.01
<F>

I C10-1
BA2903F

3

2

6

-

5

+

I C10-2
BA2903F

12V

FAN PWM / 2P

2

FAN IN / 17P

15V

+

1

-

7

R80

2.2K

12V

C6

3.3

2

JM30

C13

0.1
<F>

LED INDICATOR

16
15
14
13

12
11

10

9

5V

R18
10K

I C80

uLN2003

1C

2C
3C
4C

5C

6C
7C
COM

RUSH CURRENT
PREVENTION

ZPR0RCH400

12V

K1 DW12D1

<1/10W>

R149

R19

1.0K

1B

2B
3B

4B
5B

6B
7B
8B

E

3

2

5V

R23
27K

4.7K
1%

1

2
3

4
5

6
7

8

W10

WHITE

ORANGE

R1

PFC / 58P

MAKING OF
CURRENT
DIRECTIVE

R21
10K
<1/10W>

R22 1.0K

<1/10W>

R147

R148

C123

2200P

<B>

CTDW / 34P

C14

0.1
<F>

V4-AC / 27P
V4-DC / 29P

ACFAN / 28P

REACTOR

W11

RED

2

3

W5

2

3

W6

ORANGE

4

1

PR / I C80-5

DAN217U

C137

R157

4.7K

C138

+

2.2/

50V

R20 1.0K <1/10W>

C21

0.047
<B>

PFCEN / 14P

R150R151

195K <RN-1/2W> 1% x 4

15V

D110

DAN217U

2 1

3

1

2

D111

3

DAN217U

-12V

R144

22K

1%

10

R145

22K

1%

C124
2200P
<B>

R152

4.7K
1%

LED / 30P

SO / 32P

PR / 31P

CONTROL GND

D100

LL25XB60

LL25XB60

D101

1

+

4

-

1

+

4

-

15V

2 1

D105

3

-12V
120K 1%

R155

0.1

<F>

R156

100K

1%
x 2

ZXL / 37P

S I / 48P

C20

0.1
<F>

DTC143EUA

Q103

DTC143EUA

6
5

I C3-2
BA4560

2

15V

C130

0.1

<F>

R160

68K

R159

1%

4.7K

R161

C129

1.5K

1000P

1%

<B>

R143

39K
1%

9

-

+

R146
39K
1%

AC WAVEFORM DETECTION

FAN IN / 17P

FAN PWM / 2P
PFCSW / 35P
CT / 3P
TEST / 59P
PFC / 58P
TTXD / 60P
TAUX3 / 21P
CTDW / 34P
CP-POS / 47P
V4-AC / 27P
ACFAN / 28P
V4-DC / 29P
LED / 30P
PR / 31P
SO / 32P
IPM-TRIP / 33P

E2CS / 41P
EPV2 / 42P
EPV4 / 43P
EPV3 / 44P
TH / 10P
IPM-CR / 9P
DCV / 8P

ACV / 7P
TA / 6P
TE / 5P
TD / 4P

8

I C104-3
BA2902F

C500

0.1

<F>

R140

10K

1%

R139

R400 - R407

0.2 <1W> 1% x 8

10K 1% x 2

R127

R153

R128

-

7

+

R142

1.2K
1%

R154

R131

<1/10W>

R132

2.2K

2

3

1

R162

68K

1%

3

+

-

2

I C105-1

R130

10

220

3

1

5V

1

120K

Q102

5V

5V

BA2903F

R137, R136 10K 1% x 2

R138 10K 1%

D109
RB751V

6

-

7

5

+

D108

I C104-2

RB751V

BA2902F

10K

1%

FULL WAVE RECTIFICATION

I C500

MB90462

17

P63

VCC

56

AVCC

11

P62

16

2

P00

25

P46

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

1

2

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

3

X500

8.00MHz
<CSTLS>

RSTX

AGND

MD0
MD1

GND

GND

26

P01
P17

40

P13

36
37

P14

38

P15

39

P16

12

AVR

45

P24

46

P25

50

P30

51

P31

52

P32

53

P33

54

P34

55

P35
P60

14
15

P61

18
20

P44

64

P43

63

P42

62

P41

61

P45

1

19

P27

48
13
24
49

CURRENT DETECTION

R126
100K

1%

I C103-1
BA4560

2

-

3

+

R129
100K
1%

2

-

3

+

I C3-1
BA4560

1%

C117

1.0
<B>

R163
10K
1%

ZXH / 36P

ZWRO-CROSS

6

DETECTION

-

7

( HIGH-SPEED )

5

+

I C105-2
BA2903F

R135

10K

1%

R141

10K

1%

R500

10K

C502

0.1

<F>

C501

10/25V

15V

1

-12V

6
5

1

R166 3.9K

PFC CONTROL

D107

RB751V

R134

10K
1%

2

-

3

+

I C104-1
BA2902F

13
12

I C104-4
BA2902F

R502

1.0K

C503

0.1

<F>

+

BYPASS CAPACITOR

C119, C120

0.1 <F>
x 2

7

-

+

R122

R123

4.7K

1% x 2

R158 3.9K

3

1 12

D115

DAN217U

R118

R133

10K

1%

1

-

14

+

5V

R503
10K

SERVICE

PFC-TRIP / 46P

TMODE / 18P

R561

1.0K

C561

0.01
<F>

C139

2.2/

50V

I C103-2
BA4560

3

D114

DAN217U

10K

1%

R119

10K

1%

4700P

R164

22K

JM500

TAUX / 25P

E2SK / 40P

ZXH / 36P
ZXL / 37P

E2DI / 39P

EPV1 / 45P

U / 50P
X / 51P
V / 52P
Y / 53P

W / 54P

Z / 55P

PFCEN / 14P

MD1 / 64P
MD2 / 63P

TCK / 62P

TRXD / 61P

MDO / 1P

/ TRES / 19P

S I / 48P

5V-2

+

R121
100K

I C102-2
BA2901F

7
6

C113
2700P
<B>

2

C111

<B>

C125

0.1

<F>

15V

-12V

R560

100K

GT30J122

5V

L130
ELC0607RA

C140

0.1
<F>

1%

1

+

-

C142

<F>

5V-2

R116
15K
1%

R117
22K
1%

C115

0.1
<F>
C116

0.1
<F>

COMP

5V

2
1

Q100

0.1

C126

+

2.2/
50V

R168

22K

RESET

VDD
OUTNCGND

I C560

S80842

5
4

D102

1NH42

R103

100

<1/2W>

R102

47K

R120 4.7K 1%

R125 4.7K

11

+

10

­I C102-4
BA2901F

R171

4.7K

5V-2

R115

22K

1%

2

+

­I C102-1
BA2901F

OVER CURRENT
DETECTION

R165

22K

C127

2.2/

50V

C131

0.1

<F>

3

4

1

5V

R124

4.7K

13

R112
10K
1%

C110

+

E2CS / 41P
E2SK / 40P
E2DI / 39P

2

3

R109 22

1 2
5
7

3

TC 74HC00AF

0.1

<F>

LLQ2W661KEUBGC

660uF / 450V x 3

C103

0.1
<HCP>

GATE DRIVE

<1/4W>

<1/4W>

R108 47

GATIN

VCC

S I

6

SO

D I

4

NC

GND

C105

I C100

TA8316

0.1
<F>

I C101

1

14

1

14

2

13

2

13

3

12

3

12

4

11

11

4

5

10

5

10
6
7

R101

4.7K

I C102-3
BA2901F

OVER VOLTAGE
DETECTION

9

9

8

8

C141
1000P
<B>

14

6
7

15V

C112

0.1

<F>

5V

C128

0.1
<F>

R169

22K

C132

C133

+

2.2/

2.2/

50V

50V

EEPROM

C572

1.0K
<1/10W>

R93, R92, R91, R90

MD0 / 1P
MD1 / 64P
MD2 / 63P
TEST / 59P

C100 - C102

+ +

+

F100

GDT 250 15

15A - 250V

FSL 250 3.15<EM >

3.15A - 250V

R104
220K

<2W>

PFC5000-0702F

15V

PFC-POWER-GND

L100 BL02Rn1

15V-2

C104

CONTROL GND

+

10/

BASE POINT

25V

GATE DRAIVE GND

5V

POW-GND
PFCSW / 35P
PFCEN / 14P
PFC-TRIP / 46P

C106

R167

0.1
10K

<F>

5V-2

R113

4.7K
1%

9

+

8

­C136

0.01
<F>

R114

15K

1%

I C102
BYPASS CAPACITOR

INPUT CURRENT ( RSM ) AVERAGE DETECTION

3

D112
DAN217U

1 2

AVERAGE OF INPUT VOLTAGE RECTIFICATION

5V

C134

+

0.1
<F>

I C570

M93C46

8

VCC

CS1

4

2

SK

DO

3

D I

7

NC

6

NC

GND

5

R570

10K

5V

10K x 4

5V

D106

DAN217U

231

C108

+

2.2/

50V

R111

10K

C109

+

2.2/
50V

ACV / 7P

3

D113
DAN217U

1 2

5V

C570

0.1
<F>

MODEL SWITCHING

AOYB18LACL

JM101
JM102
JM103

JM100 TEST

DCV

R105, R106
195K
<RN-1/2W>
1%

R107

3.83K
1%

DCV Ave

DC VOLTAGE
DETECTION

R110

6.8K

C107

DCV / 8P

CT / 3P

DCV

F4

FH2

FH1

x 2

DCV-F

POW-GND

R203 330K

390 <1/10W> x 6

U / 50P

V / 52P

W / 54P

X / 51P

Y / 53P

Z / 55P

IPM-TRIP / 33P

C219
1000P
<B>

0.1

<F>

IPM-CR / 9P

REVERSE CURRENT DETECTION CIRCUIT

CP-POS / 47P

COMP

15V

D50

1SS355

D51

UDZS8.2B

L50

BLm21

<AG601>

L51

BLm21

<AG601>

D52

1SS355

R51

47

C50

47/

35V

POW-GND

D200 - D202

U1JU44 x 3

+

C205 0.1 <F>

C204 47 / 35V

R218

4.7K

<1/10W>

R204 - R209

R219

1.0K

R220

1.0K

5V

R339
10K

3

1

Q300
DTC114EUA

DCV-F

R52

470K

<1/8W>

1%

R53

510K

<1/8W>

1%

R54

510K

<1/8W>

1%

R55

510K

<1/8W>

1%

C51

+

1.0
<B>

SWITCH POWER SUPPLY
POWER-GND

R200

39

<1/2W>

+

R202 330K

C203 0.1 <F>

C202 47 / 35V

5V

D301

DAN217U

5V

2

3

C320

0.15

<ECQB>

5V

R334

10K

1%

2

C300
100P

<CH>

CONTROL SOURCE

R56

150K

2200P

<2W>

UF4005

I C50

TOP243PN

1

M

2

S

3

S

4

C

+

IPM-G

R201 330K

C201 0.1 <F>

C200 47 / 35V

C206 - C208, C215 - C217
2200P <B> x 6

PEAKLOAD CURRENT DETECTION

1

D302 RB751V

C311
1000P
<B>

R327

22K

5V 5V

R337
100K

1%

I C302-1

BA2903F

1

-

+

2
3

C339

0.01
<F>

R335 R336

R338

3.3K
1%

5V

R81

1.0K

<1/10W>

7

R83

I C302-2

27K

<1/10W>

C52

<E>

R57
0R0

BA2903F

RPZ-1F

1
2
3

4
5

T60

D53

8

S
S

7

5

D

15V

W

L300
ELC0607RA

U V

W7 W8 W9

+

C210 0.1 <F>

C209 0.1 <F>

C211 0.1 <F>

C212 0.1 <F>

D203 HZ24BP-TK-E

C221 0.1 <F>

C220 47 / 35V

C222 1.0 <F>

C213

0.022
<F>

IPM-G

R329 47K 1%

I C300-1
BA4560

1

R328

1.0K

7

I C300-2
BA4560

R333

10K 1% x 3

C330
1000P
<B>

15V

C85

+

10/

470P

25V

6

-

5

+

C84

0.1

<F>

10

9
8
7

6

D62
D1FL20U

2

-

3

+

R331

47K

1%

5

+

6

-

VIRTUAL NEUTRAL POINT

D304

DAN217U

C86

<B>

C87

330P

<B>

D60
D1FL20U

D61
D1FL20U

I C60

BA17805

C66

+

100/

25V

D64

1SS355

R330

R332

221

3 3

WVU

R305

R306

DAN217U

C64

+

330/
25V

1SS355

FSBB20CH60

10

11
12
13
14
15

16
17

18
19
20

C214
2200P
<B>

IPM-G

15V

C305

0.1

<F>

-12V

4.7K 1% x 2

R303

R301R302

R304

D303

1

D63

OG123

I

C69

+

100/
25V

I C200

21

1

VCC

NU

2

COM

3

I N

22

4

I N

NV

I N

5

VFO

6

23

CFOD

7

NW

CSC

8
9

I N

24

U

VCC

VB
VS
I N

25

V
VCC

VB

26

VS

W
I N

VCC

27

P

VB
VS

R210

1.0K

C306

0.1
<F>

195K <RN-1/2W>

1% x 6

REFERENCE OF
POSITION DETECTOR

R309

5.76K
1%

R310
143
1%

C65

+

470/
25V

C67

0.1
<F>

U V W

DCV

AOY24LACL : R211 - R216 x 6

R211

R212

R213

R214

R215

R216

R217

0.15

<1W>

1%

x 7

IPM-G

POW-GND

IPM-GND BASE POINT

R307, R308
195K
<RN-1/2W>
x 2

R311

8.66K
1%

15V

12V

R61

5V

10K

C68

+

100/
25V

-12V

ERROR CONTENTS

INDOOR UNIT

The lamps show the error contents.

: 0.5s ON/0.5s OFF (Flash) : OFF

Operation lamp (Green)

Timer lamp (Orange)

Filter lamp (Red)

Operation

lamp (Green)

2 times

2 times

2 times

2 times

3 times

3 times

3 times

3 times

3 times

3 times

3 times

Timer lamp

(Orange)

2 times

3 times

4 times

5 times

6 times

7 times

8 times

2 times

3 times

4 times

6 times

2 times

3 times

4 times

8 times

Filter lamp

(Red)

2 times

3 times

4 times

Error contents

Serial reverse transfer error at starting up operation

Serial reverse transfer error during the operation

Serial forward transfer error at starting up operation

Serial forward transfer error during the operation

Communication error ( Main PCB Display PCB )

Communication error ( Display PCB Main PCB )

Wired remote control 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

4 times

5 times

5 times

5 times

5 times

5 times

5 times

6 times

7 times

7 times

7 times

7 times

7 times

8 times

8 times

2 times

2 times

3 times

5 times

6 times

7 times

8 times

2 or 3 times

2 times

3 times

4 times

5 times

6 times

2 or 3 times

4 times

0.1 second flashing

Indoor manual auto switch abnormal

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

Model appreciation error

2008.05.09 17

WIRED REMOTE CONTROL

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

If "CO" appears in the unit number display, there is a remote control error.
Refer to the installation instruction sheet included with the remote control.

Unit number

Error code

S UMOTUWETH F R

Error code Error contents

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

Serial reverse transfer error

Serial forward transfer error

Communication error ( Main PCB Display PCB )

Communication error ( Display PCB Main PCB )

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

S A

2007.08.06 18

OUTDOOR UNIT

Error contents

Thermistor malfunction

Abnormal discharge temperature

Current surge protection

CT abnormality

Compressor position detection malfunction

Fan malfunction

PAM voltage abnormality

Timer short

Compressor temperature protection (permanent stop)

PFC surge protection (permanent stop)

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 5.0 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

2008.07.29 19

PARTS

INDOOR UNIT

8

5

3

4

Ref. Description

1 Remote Control 9315885012

2

Remote Control Holder

3 Top Cover 9358534014

4 Arm 9358565001

9305642045

Part number

LAT LBT

6

4

7

9315885012

9305642045

9358534021

9358565001

5 Hanger Bracket L 9358596005

6 Hanger Bracket R 9358595008

7 Cosmetic Panel R 9358535011

8 Cosmetic Panel L 9358536018

2009.07.13 20

9358596005

9358595008

9358535028

9358536025

2

1

INDOOR UNIT
Panel assy

13

PCB holder

14

Insulation F

Insulation C

Insulation D

15

Insulation E

11

Ref. Description

11

Panel

12

Side Cover R Assy 9359069041

13

Indicator PCB Assy 9705798052

14

Insulation (Panel) A 9358574003

15

Insulation (Panel) B 9358914007

--

Panel Assy (with side cover R)

9358531150

9359076186

Part number

LAT LBT

9358531167

9359069072

9705798069

9358574003

9358914007

9359076247

12

2009.07.13

21

INDOOR UNIT
Grille

22

21

24

25

24

23

21

Ref. Description Part number

21 Air Filter 9358567029

22 Grill F (LAT) 9358532010

22 Grill F (LBT) 9358532027

23 Arm Bracket 9359281009

24 Grille Support 9358602003

25 Filter Bracket 9358607008

2009.07.13 22

33

38

37

INDOOR UNIT
Kit (Flap base)

33

37

39

32

Part number

Ref. Description

LAT LBT

31 Kit (Flap Base) 9372670019

32 Flap Base 9358537015

33 Protect Cover 9358564004

34 Support Stay 9358599006

35 Louver 9358561010

36 Bushing B 9358554005

36

35

34

31

9372670033

9358537022

9358564011

9358599006

9358561027

9358554005

37 Louver Stopper 9358555002

38 Louver Rod 9358559000

39 Motor Rod 9358560006

2009.07.13 23

9358555002

9358559017

9358560013

INDOOR UNIT
Flap base sub assy

41

41

43

42

44

Ref. Description

Part number

LAT LBT

48

52

47

53

45

46

50

51

49

41 Bushing 9357942001

42 Bushing C 9358553008

43 Flap (Upper) F 9358538012

44 Kit (Flap Lower) 9372671016

45 Step Motor H 9900297015

46 Louver Link 9358556009

47 Louver Shaft 9358557006

48 Louver Link Cover 9358558003

49 Step Motor-V 9900362010

50 Motor Base 9358562000

51 Motor Rod-A (Step V) 9358550007

52

Flap Link-Upper (Step V)

53

Flap Link-Lower (Step V)

9358551004

9358552001

9357942001

9358553008

9358538029

9372671023

9900297015

9358556009

9358557006

9358558010

9900362010

9358562017

9358550007

9358551004

9358552001

2009.07.13 24

INDOOR UNIT
Base assy

62

62

61

Ref. Description Part number

61 Base Assy 9359061014

62 Cap 9358563007

63 Base Bracket 9358586006

62

63

62

2008.04.16 25

72

74

75

77

78

73

INDOOR UNIT
Drain pan assy
Evaporator

76

79

71

Ref. Description Part number

71 Kit (Separate Wall A) 9372666012

72 Kit (Separate Wall B) 9373448013

73 Kit (Drain Pan Assy) 9372669013

74 Drain Cap 9358746004

75 Drain Hose Assy 9359242000

76

Kit (Insulation Flap Base)

9372672013

77 Kit (Dew Proof Plate) 9372673010

78 Catch 9359096009

77

79 Pipe Thermistor 9900022020

2008.07.29 26

INDOOR UNIT
ABYF18L_T
Evaporator

82

ABYF24L_T

81

81

83

84

84

82

Part number

Ref. Description

ABYF18L_T

81 Evaporator Assy 9362513043 9362513050

82 Bypass Pipe Assy 9377819017 9377821010

8384Distributor Assy 9371325354 9371325361

Coupling Pipe Assy 93730383999373038382

2009.07.13 27

ABYF24L_T

83

INDOOR UNIT
Fan motor

91

93

97

98

93

98

94

95

92

Ref. Description Part number

91 Sirocco Fan Assy 9385258006

92 Casing 9358543009

93 Casing Cover 9358544006

94 Fan Motor Assy 9602401017

95 Rubber 9385102002

95

91

96

92

96 Motor Fixing Table 9358591000

97 Protector 9359282006

98 Motor Fixture 9358594001

2008.04.16 28

INDOOR UNIT
Control unit

102

103

104

106

101

Ref. Description

101 Control Box 9358600016

102 Control Box Cover Assy 9359097006

103 Controller PCB Assy (18)

103 Controller PCB Assy (24) 9707393354

9707393347

Part number

LAT LBT

105

9358600054

9359097006

9707393569

9707393545

9707398014

105 Terminal 3P 9306489045

106 Terminal 3P 9703345012

-- Room Thermistor Assy 9703299087

2009.07.13 29

9707398113104 Power Supply PCB Assy

9306489045

9703345012

9703299087

PARTS

9

OUTDOOR UNIT

7

1

6

4

5

8

3

Ref. Description

1 Top Panel Assy

2 Cover (Switch) Assy 9309237032

3 Cabinet Assy

4 Blow Down Grille

5 Cabinet Right Assy

AOY_18LA_L AOY_24LA_L

9309230057

9314809040

9308884015

9309236011

Part number

9309230057

9309237032

9314809019

9308884015

9309236028

2

6 Fan Ring

7 Grip

8 Emblem

9 Protective Net

2009.07.13 30

9308885012

9308880017

9315210012

9315319012

9308885012

9308880017

9315210012

9315033017

OUTDOOR UNIT

13

27

17

16

24

18

14

19

26

25

30

29

20

12

Ref. Description

11 4-Way Valve

12 Pulse Motor Valve Assy

13 Condenser Assy

13 Condenser Total Assy - 9312322091

14 Thermistor Spring A

15 Thermistor Holder

16 Propeller Fan

17 Nut

18 Motor Bracket

19 Separator Assy

20 Base Assy

21 3-Way Valve Assy

22 2-Way Valve Assy

23 Expansion Valve Coil

24 Fan Motor

25 Compressor Assy

Thermistor Assy26

27

Heat Exchanger Thermistor

28 Solenoid Coil

29 Compressor Thermistor 9900156046

Reactor Assy

30

Outdoor Thermistor-- 9900210045

AOY_18LA_L AOY_24LA_L

9900047016

9311641018

9311382027

313728262708

9300089012

9309909014

9304902003

9308872012

9312971015

9308869081

9970092015

9970093012

9900057039

9602133017

9313763039

9900148027

9900403010

9970033018

9900354015

Part number

9900163013

9315310019

-

313728262708

9357804002

9309909014

9304902003

9308872029

9312971015

9315296030

9315414014

9313062019

9900057039

9602451012

9315297037

9900148027

9900403010

9970055010

9900156046

9900354015

9900210045

11

23

15

37

22

21

28

2011.02.24 31

OUTDOOR UNIT

31

37

36

35

33

34

32

Ref. Description Part number

31

Inverter PCB Assy (AOYA18)

31

Inverter PCB Assy (AOYB18)

31

Inverter PCB Assy (AOYA24)

31

Inverter PCB Assy (AOYB24)

32 Fuse Holder 0501454012

33 Fuse Holder 0501456016

34 Fuse

35 Fuse 0600372163

9707427011

9707427110

9707427028

9707427127

0600382018

Terminal36 9703874031

Inverter Case Assy37 9315690012

2009.07.13 32

ACCESSORIES

INDOOR UNIT

Name and Shape Part numberApplication

Cosmetic Panel-L

Cosmetic Panel-R

Q'ty

1

1

9358536018

9358535011

Screw (M4 x 10)

Installation template

Hanger bracket (left)

Hanger bracket- (right)

Anchor bolt (M12)

Special nut

Spring washer

Wall bracket

Screw (M4 x 20)

2

For positioning the indoor unit.
For under ceiling type.

1

For suspending the indoor

1

unit from ceiling.

1

4

4

4

For suspending the indoor

2

unit on the wall.

For fixing the wall bracket.

6

0700009037

9359107002

9358596005

9358595008

313806339400

0700007125

9358597002

0700076107

Coupler heat insulator
(large)

Coupler heat insulator
(small)

Nylon fastener

Drain hose

Insulation
(drain
hose)

VT wire

Remote
control

Remote
control
holder

Battery

Screw (M3 x 12)

For indoor side pipe joint.

1

(Large pipe)

For indoor side pipe joint.

1

(Small pipe)

For fixing the drain hose.

1

1

Adhesive type 70 x 230

1

For fixing the drain hose

1

L 280 mm

For air conditioner operation

1

For installing remote control

1

on the wall

For remote control

2

For mounting the remote
control holder

2

9378173552

9378173736

312300787605

9359242000

9359225003

313806350303

9315885012

9305642045

0600185541

0700019098

2008.06.26 33

OUTDOOR UNIT

Name and Shape Part numberApplication

Drain pipe

Q'ty

For drain piping work. 9303029015

1

OPTIONAL PARTS
Wired remote control : UTB-YUD (P/N 9076961000)

2008.05.12 34

0805G3486