General ASHB24LD, ASHB24LDC, AOHS24LDC Service Manual

SPLIT TYPE
ROOM AIR CONDITIONER

WALL MOUNTED

Models

Indoor unit Outdoor unit

type

ASHB24LDC AOHS24LDC

CONTENTS

SPECIFICATIONS

DIMENSIONS

REFRIGERANT SYSTEM DIAGRAM

CIRCUIT DIAGRAM

ERROR CONTENTS

DISASSEMBLY ILLUSTRATION

PARTS LIST

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

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. . . . . . . . . .

. . . .

. . . . . .

. . . .

1

2

3

4

5INDOOR PCB CIRCUIT DIAGRAM

8OUTDOOR PCB CIRCUIT DIAGRAM

13

14

20

22STANDARD ACCESSORIES

SPECIFICATIONS

INDOOR UNIT

ASHB24LDC

NOISE LEVEL

HIGH

Cool 49 dB / Heat 48 dB

OUTDOOR UNIT

COOLING CAPACITY

HEATING CAPACITY

ELECTRICAL DATA

POWER SOURCE

FREQUENCY

RUNNING
CURRENT

INPUT WATTS

E.E.R.

COP

MOISTURE REMOVAL

AIR CIRCULATION HIGH

COOLING

HEATING

COOLING

HEATING

COOLING

HEATING

COMPRESSOR

AOHS24LDC

7.10 kW

8.10 kW

230 V

50Hz

9.7 A

9.8 A

2.21 kW

2.24 kW

3.21 kW/kW

3.62 kW/kW

3.0 L/hr

1,170 m3/hr

INDOOR UNIT

MED

LOW

QUIET

OUTDOOR UNIT

Cool 43 dB / Heat 42 dB

Cool 38 dB / Heat 37 dB

Cool 33 dB / Heat 33 dB

Cool 52 dB / Heat 54 dB

REFRIGERANT CHARGE (R410A)

Pipe Length

FULL CHARGE

ADDITIONAL CHARGE

15 m

20 m

25 m

30 m

1,600 g

1,700 g

1,800 g

1,900 g

20 g / m

TYPE

DISCRIMINATION

REFRIGERANT R410A

FAN MOTOR

POWER SOURCE

HIGH

MED

INDOOR UNIT

LOW

QUIET

COOL

OUTDOOR UNIT

HEAT

DIMENSIONS

INDOOR UNIT H x W x D

H x W x DOUTDOOR UNIT

Hermetic type, 4 pole,

DC inverter motor, Scroll

5CS160XAA23

1,600 g

230 V

1,380 r.p.m.

1,170 r.p.m.

980 r.p.m.

860 r.p.m.

1,000 r.p.m.

1,050 r.p.m.

320 x 998 x 228 mm

578 x 790 x 315 mm

WEIGHT

INDOOR UNIT Gross / Net

OUTDOOR UNIT

Gross / Net

18 kg / 14 kg

48 kg / 44 kg

12006.10.26

OUTLINE AND DIMENSIONS

Unit : mm

INDOOR UNIT

320

OUTDOOR UNIT

998

508

48

347

20

540

125

228

320

66790

315

578

10

22006.10.26

REFRIGERANT SYSTEM DIAGRAM

3-Way valve

Muffler

Compressor

Heat exchanger

( INDOOR )

2-Way valve

4-Way valve

Strainer

Expansion valve

Sub-accumulator

Strainer

Cooling
Heating

Heat exchanger
( OUTDOOR )

Strainer

Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)

32006.10.05

EXPANSION

4-WAY

VALVE

VALVE

PIPE TEMP.

THERMISTOR

OUTDOOR TEMP.

THERMISTOR

DISCHARGE TEMP.

4WV

THERMISTOR

PMV

FAN

MOTOR

F M

5

(N)

4

TO POWE

SUPPLY

(L)

321

BLACKBLACK

OUTDOOR UNIT

WHITE

ORANGE

BLUE

BLACK

BROWN

BLACK

BLUE

BLUE

2

1

2

1

2

1

CN62

2
2

2

1

CN61

BLACK

321

1

321

1

CN60

CN500

BLACK

BROWN

YELLOW

56432
56432

BROWN

CN700

CONTROLLER PCB

YELLOW

6

6

5

5

ORANGE

3 4

3 4
2

CN400CN200

1

3 4
2
1

10

6 7 8 9
5

CN40CN42

3 4
2
1

2

RED

2
1

3 4
2
1

10
9

7 8
6
5

3 4

RED

2
1

RED

121

3 4

3 4

CN11

2

BROWN

BLACK

WHITE

WHITE

BLACK

GRAY

BLUE

GREEN

BROWN

BROWN

2

1

1

L0

N2

PCB

CAPACITOR

10

10

W306

6 7 8 9
5

3 4
2
1

121

W307

6 7 8 9
5

3 4
2
1

2

CN303 CN301

PURPLE

YELLOW

ORANGE

WHITE

RED

1
1

N1

PURPLE

W13

W8

BLUE

W302

BROWN

YELLOW

56432
56432

ACTPM

W7

YELLOW

W301

RED

RED

BLACK

1
1

W4

CN801

3
2
1

TM601

TM600

121 2

CN1 CN110

L2 L1

P

-

+

WHITE

W12

BLACK

RED

W17

W16

I P M

GREEN

BLACK

WHITE

WHITE

FUSE 25A-250V

W3

W18

W17

W19

BLACK

3
2
1

W20

WHITE

W9

BLACK

W21

GRAY

2

WHITE
WHITE

CN100

1

W29

TERMINAL

W2

W1

POWER SUPPLY PCB

W28

CHOKE COIL

BROWN

ORANGE

TM102

U

V

W

COMPRESSORC M

W

U

V

TM101

WHITE

RED

TM305

TM304

TM303

BLACK

42006.10.05

CIRCUIT DIAGRAM

INDOOR UNIT

SWITCH

STEP MOTOR

STEP MOTOR

( DIFFUSER )

F M

FAN MOTOR

BLUE

WHITE

BLACK

YELLOW

2

1

2

1

RED

5

6

4

3

5

6

4

3

CN10

M

PINK

BLUE

6

5

6

5

RED

YELLOW

ORANGE

3

1

2

4

1

2

3

4

CN8

( UP / DOWN )

M

PINK

BLUE

6

5

6

5

RED

YELLOW

ORANGE

3

1

2

4

1

2

3

4

CN5

STEP MOTOR

( RIGHT / LEFT )

BLUE

54

M

PINK

BLUE

5
5

RED

YELLOW

ORANGE

3

1

2

4

3

1

2

4

CN2

WHITE

BLUE

RED

YELLOW

1

2

3

4

1

2

3

4

CN19

5
4

3

3

2

2

1

1

GREEN

5

RED

4
3

YELLOW

2

WHITE

1

AIR CLEAN UNIT

W5

CN13

1

2

3

4

5

CN3

1

2

CN1

1

2

CN6

1

2

3

4

5

7
7

CONTROLLER PCB ASSY

TEST

BLACK

BLACK

PIPE TEMP.

THERMISTOR

RED

WHITE

3

2
2

3

BLACK

BLACK

1
1

ROOM TEMP.

THERMISTOR

WHITE

WHITE

7

CN201

CN11

1

2

3

4

6

5

6

5

WHITE

WHITE

6

5

INDICATO

1

2

3

4

WHITE

WHITE

2

3

4

TM4

RED

BLACK

1

PCB ASSY

RED

TM2

TM1

WHITE

1 2 3

THERMAL

FUSE 102

TERMINAL

INDOOR PCB CIRCUIT DIAGRAM

CONTROL UNIT
EZ-006MHSE

OUTDOOR UNIT

N

L

TERMINAL

1

2

THERMAL FUSE
102

AIR CLEAN UNIT

XMR-05V

REMOTE CONTROL
UNIT

LOUVER ( R / L )

SERIAL

EARTH

PANEL SWITCH

M

3

CN19-1 WHITE

CN19-2 YELLOW

CN19-3 RED

CN19-4 BLUE

CN6-1 RED

CN6-2 WHITE

CN6-3 BLACK

CN2-1 RED

CN2-2 ORANGE

CN2-3 YELLOW

CN2-4 PINK

CN2-5 BLUE

EARTH TERMINAL

CN19
B4B-XASK

1

2

3

CONTROLLER PCB ASSEMBLY

4

CN6
B05B-XASK

1

2

3

4

5

CN2
SJH20-05WS

1

2

3

4

5

BLACK

TM4

22007

WHITE

TM1

22007

W5

GREEN

RED

TM2

22007

( MAIN PCB )

K05CX-0602HSE-C1

CN11

B07B-PASK

1

2

3

4

5

6

7

CN11-1 RED

CN11-2 WHITE

CN11-3 WHITE

CN11-4 WHITE

CN11-5 WHITE

CN11-6 WHITE

CN11-7 WHITE

INDICATOR PCB ASSEMBLY

K05CY-0500HSE-D0

CN201
JB20-07HG

1

2

3

4

5

6

7

LOUVER ( U / D )

DIFFUSER

FAN MOTOR

M

M

F M

CN5-1 RED

CN5-2 ORANGE

CN5-3 YELLOW

CN5-4 PINK

CN5-5 BLUE

CN8-1 RED

CN8-2 ORANGE

CN8-3 YELLOW

CN8-4 PINK

CN8-5 BLUE

CN10-6 RED

CN10-4 BLACK

CN10-3 WHITE

CN10-2 YELLOW

CN10-1 BLUE

CN5
SJH20-06WS

1

2

3

4

5

6

CN8
B06B-PASK

1

2

3

4

5

6

CN10
B06B-XARK

1

2

3

4

5

6

CN14

B2B-XH

1

2

3

CN16

B3B-XH

1

2

CN3

JC25-02HG

CN1

2P-SAN

1

2

CN13

B5P-SHF-1AA

1

2

3

4

5

COMUNICATION ( IN )

COMUNICATION ( OUT )

CN3-1 RED

1

CN3-2 WHITE

2

CN2-1 BLACK

CN2-2 BLACK

CN13-1

CN13-2

CN13-3

CN13-4

CN13-5

XARR-03VF XAP-03V-1

BLACK

BLACK

ROOM TEMPERATURE THERMISTOR

TEST

PIPE TEMPERATURE THERMISTOR

52006.10.13

INDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )

K05CX-0602HSE-C1

K1-4

TM4

TM1

T1-12

C19
330/
25V

CN1

ROOM TEMPERATURE

PIPE TEMPERATURE

REMOTE CONTROL UNIT

<RED>
<WHITE>

<BLACK>

JP SWITCHING

AIR CLEAN UNIT OPERATING CIRCUIT

AIR CLEAN

UNIT

1

3

CN3

PANEL SWITCH

AV383411613

I C26-14

F1

FSL 250V 3.15A

FH1

VA1

470V

<TNR>

C22

+

0.1
<F>

5V

1

2

BLm18

<BD102>

1

2

L7

BLm18

<BD102>

CN6

1

2

3

4

5

POWER SUPPLY CIRCUIT

I C26-10

FH2

C8 0.47
275V

C14 0.01

7V

JM3

R2 10K

<1/10W>

1%

NJM7805

123

L6

R6 49.9K

<1/10W>

12V

D1F60

JP5

5V

12V

R4 10K

<1/10W>

4

3

2

1

CN19

250V

I C2

I O

G

R14 1.0K

<1/10W>

R13 1.0K

<1/10W>

DAN217U

3

1

12V

C70

0.1

<F>

W5

4

C13 0.01
250V

SS21V-R060330

3

1

2

L1

5V

C12

C17

C18

+

330/
25V

+

10/
25V

0.1
<F>

ROOM TEMP. PIPE TEMP. THERMISTOR

C15

0.1
<F>

C16

0.1

<F>

12V

6

-

5

+

2

-

3

+

12VD2

D3

R17
10K

2

<1/10W>

R21 15.4K

<1/10W>

1%

R22 28K

<1/10W>

1%

R20 1.0K <1/10W>

12V

R66 2.2

<1/2W>

R71
10K
<1/10W>

5V

R50

+

C71

10/50V

3

1 2

D72

DAN202K

22K

<1/10W>

2

1

2

PS2501L-1

3

<KD / KE>

1

Q2
2SC4081
<R>

R73 33K

<1/10W>

R61 9.1K

<1/10W>

1%

1%

280V

TH1

5D - 11

0.7A - 5.0MH

C20

0.1
<F>

T1

GS I B460L

C21

0.1
<F>

315V

1

2

4

D6

150/

C6

3

+

A

R45 100K
<RS - 2W>

I C8

TOP243

6

D
F

5

S

4 3

R34 6.8K

<1/10W>

1

2

3

4

5

6

5V

C26

0.1

<F>

REMOTE CONTROL COMMUNICATION

12V

I C5-2
BA10393F

7

I C5-1
BA10393F

1

Q4
DTC124EUA

3

2

1

R75

220K

<1/10W>

I C3

R31 390

<1/4W>

1%

5V

4

3

2SC4081

5V

R30
10K
<1/10W>

2

Q3

<R>

C23

0.1

<F>

16 1

I C7-1
uLN2003

5V

3

1

C72

2.2/
50V

RC

R117
10K
<1/10W>

R118

+

2.0K

<1/10W>

I C5

ALARM

C73

1000P

<R>

8

4

D7

1NH42

D9 D1FL20U

20V

C4

100P

C32

<D>

0.01

C
L
X

1
2

5V

<ECQE>

R46

47

<1/2W>

<1/10W>

RESET

VPP

R38
15K

C27

47/

16V

2SA1037AK

<Q>

+

5V

D8

1SS355

Q7

1

2

3

C29

0.1

<F>

R42

270

<1/10W>

R37 10K <1/10W>
R40 10K <1/10W>

R49 10K <1/10W>

R35

5V

CS
SK
D I
NC

I C6
BR93LC46

1
2
3
6

EEPROM

R57 330 <1/10W>

R60 330 <1/10W>

R58 330 <1/10W>
R59 330 <1/10W>

R39 10K <1/10W>

8

VCC
DO

4

NC

7
5

GND

I C1-28

I C1-73

LED FOR INDICATOR & REMOTE CONTROL UNIT

5V

PS2501L-1

<KD / KE>

R43 330

1

<1/10W>

2

2

3

Q6
DTC124EUA

1

C30

1000P

<R>

I C1-43

C33

+

33/
35V

R52
100K
<1/10W>

5V

R54
0R0

I C1-3

I C10

(100)

R44

1.0K

<1/10W>

6
5
4
3
2
1

VA2

470V

<TNR>

4

3

D4
D1FL20U

CS

15V

R51 1.0K

<1/4W>

4

3

5V

R47 10K
<1/10W>

T1

MY064

C35

0.01 <F>

VA3

470V

<TNR>

I C15

PS2501L-1

<KD / KE>

R1
100K
<1/10W>

I C1-76
I C1-75
I C1-74
I C1-73

I C1-6

I C1-4
I C1-64
I C1-63

R113 47
<1/10W>

1%

R55

820

<1/4W>

4

3

I C14
PS2501L-1
<KD / KE>

D12 D2F20U
D10 D1FL20U

8
9

10

<1/10W>

1

2

I C1-43
I C1-42
I C1-41
I C1-40
I C1-39
I C1-38

2

X1

8.38MHz

<CSTLS>

R64

1.8K

uLN2003

3

1

R110 10K

<1/10W>

R67
150

<1/10W>

C37

+

820/
25V

I C18-5

5 12

I C 1

uPD780148

44

P00
P01

43

P02

42
41

P03
P04

40
39

P05

38

P06

18

P10

19

P11
P12

20
21

P13

22

P14
P15

23
24

P16

25

P17

80

P20

79

P21

78

P22
P23

77
76

P24

75

P25

74

P26

73

P27

7

P30

6

P31

5

P32

4

P33

64

P40

63

P41

62

P42

61

P43

60

P44

59

P45

58

P46

57

P47

14

RST*
X1

12
13

X2

15

XT1

16

XT2

C53

1000P

<R>

3

0.1 <F>

C

1

REF

A

2

I C19
TL431 I LPR

VDD

EVDD

P50
P51
P52

P53
P54

P55
P56
P57
P60
P61
P62

P63
P64

P65
P66
P67

P70
P71
P72
P73
P74
P75
P76
P77

P120
P130
P140
P141
P142

P143
P144
P145

AVREF

I C

REGC

GND
AGND

EGND

THE CIRCUIT FOR FAN MOTERS

C36

100/36V

+

A

15V

1

2

4.7K

<1/10W>

A

R56

15V

<HCP>

R63 6.8K

<1/4W>

C1

0.1

<1/10W>

C38

9
31
56
55
54

53
52
51
50
49
33
32
29
28

48
47
46
45
72
71
70
69
68
67
66
65

3
17
26
27

34
35
36
37

1

8
10
11

2
30

(15)

(14)

(13)

R70

1.2K

<1/10W>

5V

C40
100/
16V

340V

A

(12)

(11)

R53

5.6K

5V

+

VPP

12V

ALAM
RC

I C1-28

I C1-47
I C1-46

I C1-3
CS

T1-12

R48
34K
<1/10W>

R76 7.87K
<1/10W>
1%

BEN

5V

R7 100K
<1/10W>

CN11

7

6

5

4

3

2

1

C41

0.01
<B>

DC FAN

CN10

6

5

4

3

2

1

C39
100/
35V

R79, R81 - R84

10K <1/10W> x 5

I C1-76

I C1-42

I C1-41

I C1-75

I C1-74

15V LINE ON-OFF CONTROL

20V

JM9

C25

+

0.1
<RS - 2W>

<F>

A

6

1

16

2

I C1-4

C59 0.1 <F>
C47 0.1 <F>

C48 0.01 <B>

C49 0.1 <F>

MANUAL AUTO SWITCH

5V

R32 10K
<1/10W>

SW1
KSM0632B

5V

JP SETTING

I C20

78M15

123IO

G

R8

1.0K

I C18-6 uLN2003

11

I C18-1 uLN2003

I C18-2 uLN2003

15

3 14

4

R33 1.0K

<1/10W>

JM5

AUTO RESTART / PLUG ON

TEMPERATURE CORRECTION-1

JM6

TEMPERATURE CORRECTION-2

JM7

JM8

REMOTE CONTROL SWITCHING-1

JM10

REMOTE CONTROL SWITCHING-2

15V

C42

C56

+

330/

25V

I C18-3 uLN2003

13

4 13

R90 - R93
330 <1/10W> x 4

I C1-40

C28

0.01
<B>

0.1
<F>

I C18-4 uLN2003

5

I C1-64

I C1-63

3

I C7-6 uLN2003

7 10

I C16-3 uLN2003

I C16-4 uLN2003

I C16-5 uLN2003

12

6 11

7 10

5V

R95 10K <1/10W>
R97 10K <1/10W>
R98 10K <1/10W>
R99 10K <1/10W>

OUTSIDE COMMUNICATION

I C7-2

uLN2003

2

OFGERING POWER

I C1-6

C50

0.01
<B>

I C1-47
I C1-46

I C7-3 uLN2003

14

4

51312

I C7-7 uLN2003

1

16

2

I C16-6 uLN2003

I C16-7 uLN2003

1

2

3

4

5

CN13

R88 1.0K

<1/10W>

15

18

(3)

8

TM2

R103

390

<1/10W>

I C7-4 uLN2003

I C7-5 uLN2003

6

I C16-1 uLN2003

I C16-2 uLN2003

15

3

TEST

R94 330
<1/10W>

K10

G5N-1A

243

VA6

470V

<TNR>

5V

R105
10K
<1/10W>

I C1-38

14

PS2561L-1-V

4

3 2

1

H I C FOR SERIAL COMMUNICATIONS

I C 26

GK-LV3011E

14

27

</2W>8

I C26-14

3

2

1

Q10
DTC124EUA

R106

1.0K

10

6

I C26-10

2

Q11
DTC124EUA

5V

R108

10K

<1/10W>

C52

R107

1000P

1.0K

<R>

<1/10W>

12V

12V

9

I C7

8

I C18-7
uLN2003

7

5V

R101 330

L3

<1/10W>

0R0

I C25

1

L4

0R0

12V

3

3

D14
DAN202K

2

1

1

CN8

LUVER OPERATING CIRCUIT

DIFFUSER

UP / DOWN

CN5

12V

9

I C16

8

12V

I C18

6

5

4

3

2

1

6

5

4

3

2

1

9

8

BUZZER

10

C51

0.01
<B>

R102 390 <1/10W>
R104 10K <1/10W>

CN14

3

2

1

2

1

CN16

B Z

R109 10K

<1/10W>

5

4

3

2

4

CN2

2 1

321

R114 390
<1/10W>

C54

0.01
<B>

RIGHT / LEFT

5V

543

5

1

12V

BZ1
PKM13EPYH-4000-A0

OUTSIDE COMMUNICATION
INPUT

OUTSIDE COMMUNICATION
OUTPUT

62006.10.13

INDOOR UNIT

INDICATOR PCB ASSY
K05CY-0500HSE-D0

5V

D201
SLR-325VC

D202
SLR-325MC

D203
SLR-325DC

I C201

GP1UM261R

2

VCC
OUT

1

GND

3

C201

0.1

<F>

5V

R201

<1/4W>

+ C202

5V

CN201

1

2

3

4

5

6

7

47

47/

10V

72006.10.13