Fujitsu AWY24FBAJ, AOY24FNAD, AWY24UBAJ, AOY24UNADL Service Manual

CONTENTS

SPECIFICATIONS

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

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

1

OUTLINE AND DIMENSIONS

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

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

2

REFRIGERANT SYSTEM DIAGRAM

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

3

ERROR DISPLAY

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

6

CIRCUIT DIAGRAM

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

4

STANDARD ACCESSORIES

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

36

PCB CIRCUIT DIAGRAM

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

7

DISASSEMBLY ILLUSTRATION

9

PARTS LIST

32

SPLIT TYPE
ROOM AIR CONDITIONER

C E IL IN G W A L L

ty p e

Models Indoor unit

AWY24FBAJ
AWY24UBAJ

Outdoor unit

AOY24FNAD
AOY24UNADL

TYPE

INDOOR UNIT

AWY24FBAJ

OUTDOOR UNIT

AOY24FNAD

COOLING CAPACITY (kW)

6.80

POWER SOURCE (V)

FREQUENCY (Hz)

RUNNING CURRENT (Heat) (A)

-----

INPUT WATTS (Heat) (kW)

-----

E.E.R. (Heat) (kW/kW)

-----

MOISTURE REMOVAL ( /hr)

AIR CIRCULATION-Hi (m /hr)

1,050

ELECTRICAL DATA

COMPRESSOR

DIMENSIONS

TYPE

Hermetic type, Deposit electrode condenser, 2 poles.

Single phase, Induction motor, Rotary

DISCRIMINATION 5JS270DAA01

REFRIGERANT R410A (g) 1,900

POWER SOURCE (V)

DISCRIMINATION

INDOOR UNIT

HI-SPEED (r.p.m.) 1,450

MED-SPEED (r.p.m.) 1,230

LO-SPEED (r.p.m.)

DISCRIMINATION

OUTDOOR UNIT HI- SPEED (r.p.m.)

LO-SPEED (r.p.m.)

INDOOR UNIT

H x W x D (mm)

270 x 1,150 x 285

OUTDOOR UNIT

FAN MOTOR

WEIGHT

INDOOR UNIT

GROSS / NET (kg)

H x W x D (mm)

GROSS / NET (kg)

OUTDOOR UNIT

PIPE LENGTH

7.5 m

1,900 g

(67.0oz)

1,900 g

(67.0oz)

1,950 g

(68.8oz)

2,000 g

(70.6oz)

2,050 g

(72.3oz)

2,200 g

(77.6oz)

2,150 g

(75.8oz)

2,400 g

(84.7oz)

(25 ft) (33 ft) (49 ft) (66 ft)

10 m 15 m 20 m

Additional
refrigerant

20g (0.71oz) / 1m(3.3ft)

(over 7.5m)

40g (1.42oz) / 1m(3.3ft)

(over 7.5m)

AWY24FBAJ

AWY24UBAJ

FULL CHARGE
AMOUNT

REFRIGERANT CHARGE (R410A)

2.5

12004.03.17

Cool & HeatCool

AWY24UBAJ

AOY24UNADL

9.0

2.05

3.61

1,020

MFB-30NTT MFB-30NTAT

730

----- 450

900 x 900 x 350

85 / 73 86 / 74

230

50

230

MFD-36JO

22 / 16

HEATING CAPACITY (kW)

7.40-----

RUNNING CURRENT (Cool) (A)

9.4 9.4

INPUT WATTS (Cool) (kW)

2.12 2.12

E.E.R. (Cool) (kW/kW)

3.21 3.21

SPECIFICATIONS

2

OUTLINE AND DIMENSIONS

Unit : mm

Models : AWY24FBAJ

AWY24UBAJ

INDOOR UNIT

2004.01.08

1,150

610

285

690

610

690

270

900

804

900

333

350

19

930

Models : AOY24FNAD

AOY24UNADL

Models : AWY24FBAJ / AOY24FNAD

Models : AWY24UBAJ / AOY24UNADL

2004.01.22 3

REFRIGERANT SYSTEM DIAGRAM

Models : AWY24FBAJ / AOY24FNAD

INDOOR UNIT

OUTDOOR UNIT

2004.03.17 4

TO POWER SOURCE

CIRCUIT DIAGRAM

OUTDOOR UNIT

INDOOR UNIT

Models : AWY24UBAJ / AOY24UNADL

2004.01.08 5

ERROR DISPLAY

2004.01.08 6

The OPERATION, TIMER and SWING lamps operate as follows according to the error contents.

Error display

OPERATION TIMER SWING

(RED) (YELLOW) (ORANGE)

Error contents

Indoor unit circuit board error

Indoor unit room temperature sensor wire
opened

Indoor unit room temperature sensor wire
short circuited

Indoor unit piping sensor wire opened

Indoor unit piping sensor wire short circuited

Indoor unit fan error

2 times

2 times

3 times

3 times

6 times

:

Fast flashing

:

Slow flashing

:

Off

5V

R31-R34
10K <1/10W> x 4

R27-R30

1.0K <1/10W> x 4

14V

C30-C33

0.01 x 4 <B>

D10
DA226U

14V

IC13 (4/7)
uPA2003

9

11 6

14 3

13

10

12

8

C23
1000P
<R>

R22 1.0K
<1/10W>

Q5
DTC124EUA

5V

5V

15V

15V

R20 330
<1/10W>

IC7
TLP621
(D4)-GB

AA

R19

4.7K
<1/10W>

R18

6.8K
<1/4W>

R16
820
<1/4W>

+

C22
100
/25V

R2 56K
<RS-1W>

IC6
TLP621
(D4)-GB

R17 1.0K
<1/4W>

R21
10K
<1/10W>

5V

5V
IC2
TLP621
(D4)-GB

R11 10K
<1/10W>

D2
D1F60

R12
10K
<1/10W>

C18

0.01
<F>

C19

0.01
<F>

Q4
DTC124EUA

R13
10K
<1/10W>

R14 1.0K
<1/10W>

A

C20
1000P
<R>

JM17

C53

0.01
<KH>

PRIMARY SECONDARY

C11
100
/25V

+

R8
330
<1/4W>

JM16

15V

D6
D1FL20U

R9 100
<1/2W>

C10

0.047
<ECQB>

D4
D1FL20U

D5
D1FL20U

D3
MTZJ5.1B

R5 100
<1/10W>

Q2
2SC1815

Q1

2SC4236

C9 330/25V

+

R7 10K <1/10W>

R4 1.5 <RS-2W>

C7
100/
450V

+

D1
D3SB60

C58

220P/2K

<ECKE>

R65

75

<RS-2W>

R1 3.3
<RS-5W>

340V

R3
330K
<2W>

C8
4700P
<ECQM>

R6 62K
<RS-2W>

D7
1SR139

-600

POWER TRANSFORMER

T1 FTS28AU1S8AC

D8
D2FL20U

C13
1000
/25V

R10 10K

<1/10W>

+

C14
10/
25V

14V

+

JM10

C15
10/25V

+

C16
1000
/25V

+

D9
D1FL20U

5V
IC5
7805

IO

G

C17

0.01
<F>

C38
100
/25V

+

C39

0.1
<F>

5V

C50-C52

0.01 x 3 <F>

R62-R64
10K <1/10W> x 3

R59 1.0K <1/10W>

R61 1.0K <1/10W>
R60 1.0K <1/10W>

JM1
JM2
JM3

NO1 FAN SWITCHING

NO2 CUSTOM CODE SWITCHING

NO3 CUSTOM CODE SWITCHING

CN1
B3B-XASK-1-A

GRAY

GRAY

CN1-3

CN1-1

CN1-2

THERMAL FUSE

W1

W2

L

N

BET

F1 3.15A
<250V>

FH2

FH1

SA1
RA-362M

VA2
470 <TNR>

VA1
470 <TNR>

C2

0.22
<LE>

C4
1000P
<YE>

C3
1000P
<YE>

LF1
ELF20N008A

C56

0.01
<YE>

C5

0.022
<YE>

C6

0.022
<YE>

C57

0.01
<YE>

C55

0.01
<KH>

340V 15V

A

E1

UL1015 AWG16

GREEN

UL1015 AWG14 WHITE

UL1015 AWG14 BLACK

CN2
B5P6S-VH-B

FAN MOTOR

F M

UL1015 AWG20 RED

UL1015 AWG20 BLACK

CN2-5

CN2-4

UL1015 AWG20 BLUE

UL1015 AWG20 ORANGE

UL1015 AWG20 WHITE

CN2-2

CN2-1

CN2-3

UL1015 AWG14

GRAY

TERMINAL BOARD

1
2
3

E

COMP

POWER SOURCE
220 - 240 V
50 Hz

K4
G5NB-1A

5V

AUTORESTART SWITCHING

ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )

ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )

NO6

NO5

NO4

5

JM4

JM5

JM6

4

7

K4

R56-R58
10K <1/10W> x 3

R53-R55

1.0K <1/10W> x 3

C47-C49

0.01 x 3
<F>

X1
CSTS0500MG03-T

C21

R42

C40

0.1
<F>

IC9

C41

0.1
<F>

PST
600C

R39 10K
<1/10W>

5V

C43-C46
1000P x 4
<R>

C42

0.1
<F>

5V

IC8
NM/FM93C46M8-X

R52 10K <1/10W>

5V

BZ1
PKM13EPY-4000-TF01

14V

B Z

R44 1.0K
<1/10W>

R43 1.0K
<1/10W>

D0
D1
SK
CS

VCC

NC
NC

GND

R40 10K <1/10W>

R41 10K <1/10W>
R45 10K <1/10W>
R66 10K <1/10W>

14V

IC11 (1/7)
uPA2003

C35
1000P
<R>

R37 47
<1/10W>

1

9

8

16

C34

0.01
<B>

R35 1.0K
<1/10W>

5V

R36
10K
<1/10W>

R38 10K

<1/10W>

C36

10/25V

+

C37

0.01 <F>

CN11
S04B-PASK-2

CN11-3

CN11-4

CN11-1

CN11-2

GRAY

YELLOW

GRAY

GRAY

4

3

2

1

4

5

6

7

3

2

1PURPLE

GRAY

GRAY

GRAY

GRAY

GRAY

GRAY

CN10
S07B-PASK-2

CN10-7

CN10-6

CN10-2

CN10-3

CN10-4

CN10-5

CN10-1

CN101 S07B-PASK-2

CN201 04/04 PAP/JB20 1430

MANUAL AUTO
SWITCH

EVQ PAG 04K

SW201

+

C201

0.1
<F>

C202
10/
25V

INDICATOR PCB
EZ-0017HSE-D

RECEIVER PCB
EZ-0017HSE-SW

5V

SBX1810

PHA201

OUT

OPERATE

LOUVER
( U / D )

LOUVER
( L / R )

TIMER

5V

+

C101

0.1
<F>

C102
10/
25V

R103 150 <1/4W>

R101 150 <1/4W>
R102 150 <1/4W>

D102 SLR-325 <YEL>

D101 SLR-325 <ORG>

D103 SLR-325 <ORG>

<RED/GRN> R104 150 <1/4W>

R106 150 <1/4W>

R105 150 <1/4W>

LED102 SPR-325

LED101 SPR-325

LED103 SPR-325

<RED/GRN>

<RED/GRN>

CN8 S05B-PASK-2

CN8-1 PINK

CN8-5 GRAY

CN8-4 GRAY

CN8-3 GRAY

CN8-2 GRAY

CN7-5 GRAY

CN7-8 GRAY

CN7-4 GRAY

CN7-2 GRAY
CN7-3 GRAY

CN7-7 GRAY

CN7-6 GRAY

CN7-10 GRAY

CN7-9 GRAY

CN7-1 PINK

CN7 S10B-PASK-2

CN4 B2B-XAKK-1-A

5V

CN5 B2B-XASK-1-A

CN5-1 BLACK

CN5-2 BLACK

5V

Q9
DTA143

Q10
DTA143

Q11
DTC143EUA

Q12
DTC143EUA

Q13
DTC143EUA

IC11 (3/7)
uPA2003

IC12 (7/7)
uPA2003

IC11 (7/7)
uPA2003

2

3

4

15

14

13

12

5

11

6

1

16

8

2

4

6

1

2

15

10

7

16

11

13

15

5

3

14

12

9

10

14V

IC13 (2/7)
uPA2003

14V

C24

0.1
<F>

C25

0.1
<F>

R24

10.0K (1%)
<1/10W>

R23

49.9K (1%)
<1/10W>

R25 1.0K
<1/10W>

R26 1.0K
<1/10W>

C28
1000P
<R>

C29
1000P
<R>

ROOM TEMPERATURE THERMISTOR

HEAT EXCHANGER THERMISTOR

CN4-2 GRAY

CN4-1 GRAY

M

M

M

LOUVER
( DIFFUSER )

LOUVER
( RIGHT / LEFT )

LOUVER
( UP / DOWN )

CN12
B5P-SHF-1AA

CN12-1

CN12-5

CN12-4

CN12-3

CN12-2

TEST

2

1

3

70

69

X1

X2

53

54

55

P121

P122

P123

80

7160I C

P14

RESET

21

19

22

P42

P40

P43

P44

P41

23

20

13

12

11

10

P72

P20
P21
P22

14

17

16

15

P26

P25

P24
P23

P04

65

BUZ

50

P71

P70

P00

P12 78

61

8

9

66 P05

59

63P02

P127

45P31

P32 46

47P33

64 I NTP3

48

49

P34

P35

43

42

41

40

P64

P65

P66
P67

uPD780058GK

-A09-9EU

33

67

4

AVSS
VSS0

VSS1

7

75

68

74

VDD0

VDD1
AVREF0
AVREF1

35

34

32

31

30

29

28

27

P54
P55

P56

P57

P50

P51

P52

P53

7776P11

P10

58

57
56

P126
P125

P124

I C 1

Model

: AWY24FBAJ

CONTROLLER PCB ASSEMBLY ( MAIN PCB )

EZ-0031FWSE-C

INDOOR PRINTED CIRUIT BOARD
CIRCUIT DIAGRAM

2004.01.08 7

5V

5V

5V

5V

15V

15V

5V

P126

P125

P124

VDD0

VDD1

AVREF0

AVREF1

AVSS

VSS1

VSS0

33

67

4

7

75

68

74

56

57

58

64 I NTP3

P0566

P04

65

P26

17

16

15

14

P25

P24

P23

20

P41

23

P44

22

P43

19

P40

P42

21

55

54

P123

P122

53

P121

X1
70369

X2

1

80

71

60

13

12

11

10

78

61

8

9

50

63

59

45

46

47

48

49

43

42

41

40

35

34

32

31

30

29

28

27

77

76P10

P11

P50

P51

P52

P53

P54

P55

P56

P57

P64

P65

P66

P67

P35

P34

P33

P32

P31

P127

P02

BUZ

P71

P70

P00

P12

P72
P20
P21
P22

RESET

P14

I C

2

X1
CSTS0500MG03-T

C21

R42

C40

0.1
<F>

C41

0.1
<F>

I C9
PST600C

5V

R39 10K
<1/10W>

C43 - C46
1000P <R> x 4

C42

0.1
<F>

5V

NM / FM93C46M8-X

I C8

R52 10K <1/10W>

D0
D1
SK
CS

VCC

NC
NC

GND

5V

BZ1

PKM13EPY-4000-TF01

B Z

R40 10K <1/10W>
R41 10K <1/10W>

R66 10K <1/10W>

R45 10K <1/10W>

14V

R44 1.0K
<1/10W>

R43 1.0K <1/10W>

I C11 (1/7)
uPA2003

14V

9

8

16

1

C35
1000P
<R>

R37 47 <1/10W>

C34

0.01
<B>

R35 1.0K
<1/10W>

CN11
S04B-PASK-2

CN11-4

CN11-3

CN11-2

CN11-1

GRAY

GRAY

GRAY

YELLOW

1

4

3

2

CN201

04/04 PAP/JB20 1430

MANUAL AUTO
SWITCH

+

SW201

EVQ PAG 04K

C202
10/
25V

C201

0.1
<F>

5V

PHA201

SBX1810

OUT

RECEIVER PCB
EZ-0017HSE-SW

INDICATOR PCB
EZ-0017HSE-D

5V

+

C102
10/
25V

C101

0.1
<F>

LOUVER
( U / D )

LOUVER
( L / R )

TIMER

CN101

S07B-PASK-2

D101 SLR-325<ORG>

D103 SLR-325<ORG>

D102 SLR-325<YEL>

R101 150 <1/4W>

R103 150 <1/4W>

R102 150 <1/4W>

LED103 SPR-325<RED/GRN>

LED101 SPR-325<RED/GRN>

LED102 SPR-325<RED/GRN>

R106 150 <1/4W>

R104 150 <1/4W>

R105 150 <1/4W>

OPERATE

M

M

M

LOUVER
(DIFFUSER)

LOUVER
(UP/DOWN)

LOUVER
(RIGHT/LEFT)

CN8 S05B-PASK-2

S10B-PASK-2CN7

14V

CN4 B2B-XAKK-1-A

C24

0.1
<F>

5V

B2B-XASK-1-A

CN5

ROOM TEMPERATURE THERMISTOR

HEAT EXCHANGER THERMISTOR

C25

0.1
<F>

CN7-1 PINK

CN7-2 GRAY

CN7-10 GRAY

CN7-9 GRAY

CN7-8 GRAY

CN7-7 GRAY

CN7-6 GRAY

CN7-5 GRAY

CN7-4 GRAY

CN7-3 GRAY

CN8-1 PINK

CN8-2 GRAY

CN8-5 GRAY

CN8-4 GRAY

CN8-3 GRAY

CN5-1 BLACK

CN5-2 BLACK

CN4-2 GRAY

CN4-1 GRAY

CN10
S07B-PASK-2

CN10-7

GRAY

GRAY

GRAY

GRAY

GRAY

GRAY

PURPLE

1

3

2

7

6

5

4

CN10-1

CN10-2

CN10-3

CN10-4

CN10-5

CN10-6

2

3

4

15

14

13

5V

I C11 (3/7)
uPA2003

5V

Q10
DTA143

Q9
DTA143

R36 10K
<1/10W>

R38 10K

<1/10W>

C36
10/
25V

+

C37

0.01
<F>

Q11
DTC143EUA

Q13
DTC143EUA

Q12
DTC143EUA

I C12 (7/7)
uPA2003

I C11 (3/7)
uPA2003

5 12

107

116

1

16

15

8

2

4

13

3 14

12

5

9

11

6

1 16

2

15

10

7

I C13 (2/7)
uPA2003

R24
10K (1%)
<1/10W>

R23

49.9K (1%)
<1/10W>

R26 1.0K
<1/10W>

R25 1.0K
<1/10W>

C29
1000P
<R>

C28
1000P
<R>

5V

C47 - C49

0.01 x 3
<F>

R56 - R58
10K <1/10W> x 3

R55 1.0K <1/10W>

R54 1.0K <1/10W>

R53 1.0K
<1/10W>

JM4

JM5

JM6

NO.4

NO.6

NO.5

AUTO RESTART SWITCHING

ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )

ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )

8

12

10

13

14

1196

3

4

7

5

14V

14V

14V

D10
DA226U

C30 - C33

0.01 x 4
<B>

I C13 (4/7)
uPA2003

K 4

K 3

K 2

K 1

C23
1000P
<R>

R27 - R30

1.0K <1/10W> x 4

R22 1.0K
<1/10W>

R31 - R34
10K <1/10W>
x 4

I C7
TLP621
(D4) - GB

R21 10K
<1/10W>

A

A

R19 4.7K
<1/10W>

R18 6.8K
<1/4W>

R16 820
<1/4W>

C22
100/
25V

+

Q5
DTC124EUA

R20 330
<1/10W>

R17 1.0K
<1/4W>

I C6
TLP621
(D4) - GB

C20
1000P
<R>

Q4
DTC124EUA

C19

0.01
<F>

C18

0.01
<F>

R14 1.0K
<1/10W>

R13
10K
<1/10W>

I C2
TLP621
(D4) - GB

R11 10K
<1/10W>

R2 56K
<RS-1W>

D2
D1F60

R12 10K
<1/10W>

C39

0.1
<F>

C38
100/
25V

+

5V

C17

0.01
<F>

14V

+ +

+

I C5
7805

JM10

C16
1000
/25V

C15
10/
25V

D9
D1FL20U

C14
10/
25V

JM17

C53

0.01
<KH>

R10 10K

<1/10W>

C13
1000
/25V

+

PRIMARY SECONDARY

POWER TRANSFORMER

T1

ETS28AU1S8AC

D8
D2FL20U

A

5V

JM1

JM2
JM3

NO.1

NO.3

NO.2

FAN SWITCHING

CUSTOM CODE SWITCHING

CUSTOM CODE SWITCHING

C50 - C52

0.01 x 3
<F>

R59 1.0K <1/10W>

R60 1.0K <1/10W>

R61 1.0K <1/10W>

R62 - R64
10K <1/10W> x 3

340V

15V

JM16

R3 330K
<2W>

C8
4700P
<ECQM>

R6 62K
<RS-2W>

D7
1SR139-600

D6
D1FL20U

C10 0.047
<ECQB>

R9 100
<1/2W>

D4
D1FL20U

D5
D1FL20U

D3
MTZJ5.1B

C11
100/
25V

+

R8 330
<1/4W>

R7 10K <1/10W>

+
C9
330/
25V

R4 1.5 <RS-2W>

R5 100
<1/10W>

Q2
2SC1815

D1
D3SB60

R1 3.3
<RS-5W>

THERMAL FUSE

CN1-1

CN1-2

CN1-3

GRAY

GRAY

CN1
B3B-XASK-1-A

C58
220P/2kV
<ECKE>

C7
100/
450V

+

R65 75

<RS-2W>

Q1

2SCC4236

FH2

BET

FH1

F1

3.15A
<250V>

W1

W2

SA1
RA-362M

VA2
470V <TNR>

VA1
470V <TNR>

C2

0.22
<LE>

LF1
ELF20N008A

A

340V 15V

C55

0.01
<KH>

C6

0.022
<YE>

C5

0.022
<YE>

C56

0.01
<YE>

C57

0.01
<YE>

TEST

CN12
B5P-SHF-1AA

CN12-1

CN12-5

CN12-4

CN12-3

CN12-2

CN2
B5P6S-VH-B

F M

FAN MOTOR

UL1015 AWG20 CN2-5RED

CN2-4

BLACK

UL1015 AWG20

CN2-3

WHITE

UL1015 AWG20

CN2-2

ORANGE

UL1015 AWG20

CN2-1

BLUE

UL1015 AWG20

E1

UL1015 AWG16

GREEN

UL1015 AWG14 BLACK

UL1015 AWG14 WHITE

TERMINAL BOARD

POWER SOURCE
220 / 240V
50Hz

OUTDOOR UNIT

E

6

1
2
3
4

5

W5

W4

W3

COMP

H I

LO

4WV

UL1015 AWG14 GRAY

UL1015 AWG14 BLUE

UL1015 AWG14 BROWN

UL1015 AWG14 RED

CR2
RPEL-121204

CR1
RPEL-121204

K3
G5NB-1A

K1
JQ1-12V

JM12

K2
JQ1-12V

K4
G5NB-1A

I C 1

L

N

uPD780058BGK

-A14-9EU

CONTROLLER PCB ASSEMBLY ( MAIN PCB )
EZ-00314HSE-C

Model : AWY24UBAJ

2004.01.08 8

92004.01.22

321

629

93

172

960

172-3

184-1

108-1

253-2

174-1

160

67

67

557

63

62

169

120

109

320

338

127

8-2

93

8-2

108-2

63-1

764

122

574-2

574-1

Fan motor
earth wire

Models : AWY24FBAJ AWY24UBAJ

DISASSEMBLY ILLUSTRATION (Indoor unit)