General ARHA30LB, ARHA30LBTU, AOHA30LBTL, ARHA36LB, ARHA36LBTU Service Manual

SPLIT TYPE

AIR CONDITIONER

DUCT

type

(50Hz)

Indoor unit Outdoor unit

ARHA30LBTU

ARHA36LBTU

AOHA30LBTL

AOHA36LBTL

CONTENTS

SPECIFICATIONS

DIMENSIONS

REFRIGERANT SYSTEM DIAGRAM

CIRCUIT DIAGRAM

ERROR CONTENTS

PARTS (INDOOR UNIT)

PARTS (OUTDOOR UNIT)

ACCESSORIES

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1
2
4
5
6INDOOR PCB CIRCUIT DIAGRAM

9OUTDOOR PCB CIRCUIT DIAGRAM
13
15
18
22

SPECIFICATIONS

ELECTRICAL DATA

TYPE

INDOOR UNIT ARHA30LBTU

OUTDOOR UNIT

COOLING CAPACITY

HEATING CAPACITY

POWER SOURCE

RUNNING CURRENT

INPUT WATTS

E.E.R.

STARTING CURRENT

MOISTURE REMOVAL

AIRCIRCULATION INDOOR

AIRCIRCULATION OUTDOOR

MAXIMUM CURRENT

Cooling

Heating
Cooling

Heating

Cooling

Heating

Cooling & Heating

AOHA30LBTL AOHA36LBTL

8.5 kW 9.4 kW

10.0 kW

230 V 50 Hz 230 V 50 Hz

11.6 A

11.7 A

2.65 kW

2.68 kW

3.21 kW/kW

3.73 kW/kW

15 A

2.5 L/hr

3,600 m3/hr

17.0 A

FAN SPEED

INDOOR UNIT

OUTDOOR
UNIT

Discrimination

High speed

Med speed

Low speed

Quiet 630 r.p.m. 630 r.p.m.

Discrimination
Speed

MFG-45RVN

1,270 r.p.m.

980 r.p.m.

790 r.p.m.

MFE-36TV

850 r.p.m.

ARHA36LBTU

11.2 kW

12.8 A

13.6 A

2.93 kW

3.10 kW

3.21 kW/kW

3.61 kW/kW

15 A

3.0 L/hr

2,100 m3/hr2,100 m3/hr

4,000 m3/hr

20.0 A

MFG-45RVN

1,270 r.p.m.

980 r.p.m.

790 r.p.m.

MFE-36TV

950 r.p.m.

COMPRESSOR AND REFRIGERANT

Hermetic type, Inverter,

COMPRESSOR TYPE

DISCRIMINATION

WEIGHT (with oil)
STANDARD REFRIGERANT

REFRIGERANT TYPE

MAX PIPE LENGTH

MAX PIPE HEIGHT

Pipe length

FULL CHARGE

ADDITIONAL CHARGE

20 m

30 m

40 m 2,900 g

50 m

4 poles, 3 phase,

DC motor, Twin Rotary

5KD240XAD21

16.3 kg

2,100 g

R410A

50 m
30 m

2,100 g

2,500 g

3,300 g

40 g/m

NOISE LEVEL

High speed 42 dB

INDOOR UNIT

OUTDOOR
UNIT

Note : Static pressure : 47Pa
Duct length : Inlet 1m, Outlet 2m

Med speed 37 dB

Low speed

Quiet

Cooling

Heating

DIMENSIONS

INDOOR UNIT H x W x D

H x W x DOUTDOOR UNIT

WEIGHT

INDOOR UNIT

OUTDOOR UNIT

Gross / Net

Gross / Net

42 dB

37 dB

32 dB

29 dB 29 dB

53 dB 54 dB

55 dB 55 dB

270 x 1,135 x 700 mm

830 x 900 x 330 mm

47 kg / 40 kg

70 kg / 62 kg

32 dB

2008.01.30 1

DIMENSIONS

INDOOR UNIT

(Unit : mm)

138

132

32

240

477

161

173

264 264 264

1,177

114

66

32

168

240

281

700

283

121

2008.01.30

1,015

1,135

107

54

2

40

39

240

270

16

OUTDOOR UNIT

(Unit : mm)

77900

830

21

9

33031 12

400

2008.01.30

Air Flow

370

650

3

147

170

196

99

Compressor

REFRIGERANT SYSTEM DIAGRAM

Heat exchanger

3-Way valve

(Large)

Muffler

( Indoor unit )

3-Way valve
(Small)

Accumulator

High
pressure
switch

Refrigerant direction

Cooling
Heating

4-Way valve

Pressure
check valve

Expansion valve

Heat exchanger

( Outdoor unit )

Strainer

Strainer

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

42008.01.30

CIRCUIT DIAGRAM

FAN MOTOR

F M

INDOOR UNIT

GRAY

GRAY

BLACK

BLACK

1

2

1
2
3

4

5

1

2

3
4
5

1

2

3
4
5

1
2
3

1
2

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

BROWN

YELLOW

WHITE
BLACK

RED

1

1

2

2

CN105

3

3

4

4

3.15A 250V

5

5

6

6

E101 E102

CN5

CN2

CN12CN11CN10

CONTROLLER

PCB ASSY

( MAIN PCB )

CN9

CN4

1

2 3 4

1

2 3 4

GRAY

GRAY

GRAY

GRAY

1

2 3 4

1

2 3 4

F101

CN104 CN101

FUSE

CN102 CN103

1

5 6 7 8 123
5 6 7 8 123

GRAY

5 6 7 8 123

5 6 7 8 123

2 3

1 2
1

2

11 2
CN7 CN8

CN1

GRAY

GRAY

GRAY

POWER
SUPPLY

PCB ASSY

1 2 1

2

GRAY

GRAY

W105
W102
W101

CN108

1

1

2

CN3

3

1
2
3
4

CN13

5
6
7

RED

1

1

WHITE

2

2

BLACK

CN14

3

3

1

CN6

2

GRAY

RED

WHITE

BLACK

1
2

CN106

2
2

THERMISTOR
( PIPE TEMP. )

THERMISTOR
( ROOM TEMP. )

TERMINAL

1 2

3

TO REMOTE
CONTROL UNIT

2

1

3

TERMINAL

OUTDOOR UNIT

2 3 4 5

1

2 3 4 5

1

RED

BROWN

YELLOW

ORANGE

2 3 4 5

1

2 3 4 5

1

CN303

TRANSISTOR

PCB ASSY

( I P M )

TM303

TM305

W

TM304

V

2 3 4 5 6 7 8 9

1

2 3 4 5 6 7 8 9

1

GREEN

BROWN

2 3 4 5 6 7 8 9

1

2 3 4 5 6 7 8 9

1

TM302

TM301

W17
W16

U

TM102
TM101

RED

ORANGE

CN301

BLACK

YELLOW

RED

WHITE

BLUE

GRAY

BLACK

GREEN

PURPLE

W306

W307

BLUE

YELLOW

ORANGE

R

COMPRESSOR

CN200CN40CN42

1
1

CAPACITOR

PCB ASSY

BROWN

S

CM

C

2
2

WHITE

BLACK

W8

W13

W7

W12

BLACK

RED

CHOKE COIL

L0

N2

PURPLE

WHITE

N1

P

-

+

POSISTOR

CN400

2 3 4

1

2 3 4

1

RED

BROWN

ORANGE

CN11

ACTPM

L2

WHITE

ORANGE
ORANGE

RED

2

W4

121

3
2
1

3
2
1

3

2

1

3

2

1
2

1
6

5
4
3
2
1

6
5
4
3
2
1

RED

BROWN

3
2

BROWN

1

BLUE

3

2

BLUE

1

BLACK

3

2

BLACK

1

BROWN

3

2

BROWN

1

BLACK

2

BLACK

1

WHITE

6

YELLOW

5

ORANGE

4

BLUE

3

BROWN

2

RED

1

BROWN

6

YELLOW

5

WHITE

4

BLACK

3
2

RED

1

RED

GREEN
WHITE
BLACK
WHITE

HIGH PRESSURE SWITCH

COMPRESSOR THERMISTOR

OUTDOOR THERMISTOR

PIPE THERMISTOR

DISCHARGE THERMISTOR

4WV 4-WAY VALVE

EXPANSION VALVE

PMV

F M FAN MOTOR

BLACKBLACK

TERMINAL

NL321

CN90

CN64

CN62

YELLOW

CONTROLLER

CN65

PCB ASSY

( MAIN PCB )

CN63

CN500

CN700

CN801

TM600

L1

CN1

2

1

2

1

WHITE

WHITE

WHITE

1 2

W29

CN100

W28

POWER SUPPLY

W25
W26

PCB ASSY

W21 W9

TM601

GRAY

BLACK

CN110

1
1

WHITE

W19

W20

2
2

BLACK

W3
W18
W17

W2

W1

FUSE 250V 25A

POWER SOURCE

2008.01.30

GREEN

GREEN

WHITE

WHITE

COIL

5

INDOOR PCB CIRCUIT DIAGRAM

CONTROL UNIT
ARHA30LBTU : EZ-00714HSE
ARHA36LBTU : EZ-00715HSE

TERMINAL BOARD

3

2(N)

1

OUTDOOR UNIT

UL1015 AWG20

BLACK

UL1015 AWG20

WHITE

UL1015 AWG20

RED

CONTROLLER PCB ASSEMBLY

( MAIN PCB )
ARHA30LBTU : K06AK-070AHSE-C1
ARHA36LBTU : K06AK-070BHSE-C1

CN8

WHITE

CN7

YELLOW

CN5

BLACK

CN13

WHITE

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

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

CN2
B5P-SHF-1AA

WHITE

B02B-XASK-1-A

B02B-XAYK-1-A

B02B-XAKK-1-A

B07B-PASK-1

BLACK
BLACK

GRAY
GRAY

THERMISTOR
( ROOM TEMP. )

THERMISTOR
( PIPE MID. TEMP. )

DC FAN MOTOR

F M

UL1015 AWG16

GREEN

UL1015 AWG16

GREEN

UL1015 AWG22 RED

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

DRAIN PUMP

E I B OUT

E I B I N

E101

E102

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

CN106-1
CN106-2

CN103-1
CN103-2

CN102-1

CN102-2

CN102-3

W101

CN105
B5P6-VH-B

WHITE

CN106
B2P3-VH-B-E

BLUE

CN103
B2B-XH-AM

WHITE

POWER SUPPLY

PCB ASSEMBLY

K06AL-0605HSE-P0

CN102
B3B-XH-AM

WHITE

W105W102

CN104

B08B-PASK-1

WHITE

CN101

B03B-PASK-1

WHITE

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

CN101-1
CN101-2
CN101-3

POWER DRIVE

UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY

DC SUPPLY

UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY

EMI FILTER
ZCAT1518-0730
2 TURNS

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

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

CN1-1
CN1-2
CN1-3

CN3
B06B-PASK-1

WHITE

CN4
B08B-PASK-1

WHITE

CN1
B03B-PASK-1

WHITE

CN14

B03B-XAKK-1

BLACK

CN6

B02B-PAMK-1

GREEN

CN10

B02B-PAOK-1

ORANGE

CN11

B05B-XASK-1

WHITE

CN12

B05B-XARK-1-A

CN9

B03B-XARK-1-A

CN14-1

CN14-2

CN14-3

UL1430 AWG22

WHITE

UL1430 AWG22

RED

UL1430 AWG22

EARTH WIRE

BLACK

1 2 3

REMOTE
CONTROL

CN6-1

FRESH AIR

CN6-2

CN10-1

CN10-2

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

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

RED

CN12-5

CN9-1

CN9-2

RED

CN9-3

TERMINAL
BOARD

HEATER

FLOAT SWITCH

CN108-1
CN108-2

CN108
B2P3-VH-B

WHITE

NORMAL COIL
22mH, 2.2A

UL1015 AWG20 WHITE

UL1015 AWG20 WHITE

2008.01.18 6

INDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
ARHA30LBTU : K06AK-070AHSE-C1
ARHA36LBTU : K06AK-070BHSE-C1

D4

1SS355

I C8

I

D1

I C2

G

12V

O

G

2

+

5V

3

O

C3

2

0.01
<F>

C2
10/

50V

CUSTOM CODE

CUSTOM CODE

HEATING FAN DELAY

CN1

B03B-PASK-1

DC SUPLLY

13.5V
NJM7812

5V

1

2

3

C1
10/

50V

1 3

+

1SS355

NJM7805

1

I

R15 - R18

5V

10K <1/10W> x 4

5V

5V

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

R4 - R6

JM1

JM2

JM3

5V

C28

C32

+

100/

6.3V

C33

0.1
<F>

0.1
<F>

1.0K <1/10W> x 3

C8 - C10

0.1 <F> x 3

C31

0.01
<F>

R45
10K

<1/10W>

R46

1.0K

<1/10W>

5V

FLOAT SWITCH
CN9
B03B-XARK-1-A

1

2

3

C29

0.1
<F>

C30

0.1
<F>

C34

0.1
<F>

R57

1.0K

<1/10W>

R58

1.0K

<1/10W>

R62

1.0K

<1/10W>

R59
10K
<1/10W>

R60

49.9K
<1/10W>

R61

49.9K
<1/10W>

ROOM TEMP. TH.

1

CN8

2

B02B-XASK-1-A

PIPE TEMP. TH. ( ENT )

1

CN7

2

B02B-XAYK-1-A

1

PIPE TEMP. TH. ( MID )
CN5

2

B02B-XAKK-1-A

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

4

5

1

2

3

4

5

6

1

2

3

4

5

6

7

8

13.5V

1

2

1

2

13.5V

13.5V

5V

10K <1/10W> x 3

R24

R23

<1/10W>

R32

R67 1.0K

R26
10K

R30

10K

<1/10W>

<1/10W>

1.0K <1/10W> x 4

R66

<1/10W>

5V

5V

<1/10W>

R33

10K

R27
330

<1/10W>

R19

R22

C35 C12

1000P <R> x 3

R25

1.0K

<1/10W>

R31
10K

5V

R34

1.0K

<1/10W>

1.0K <1/10W> X 3R63

C15

0.01
<F>

C17

0.01
<F>

R20
R21

R64

C11

<1/10W>

1

Q1
DTC124EKA

C18

0.01
<B>

R65

R28

10K

5V

<1/10W>

3

2

C14
1000P
<R>

R29

390

C37

0.1
<F>

C16

0.01
<F>

C4 - C7

0.01 <F> x 4

3

2

R70
10K

<1/10W>

Q3
DTC124EKA

1

13.5V
uPA2003ADR

16
15
14
13
12

11
10

CFS-0402MC

8
7

6
5

I C3

9

SK
O1
O2

O3

O4
O5

O6
O7

8

GND

SW1

I 1
I 2

I 3

I 4
I 5

I 6
I 7

R56

5V

S80842

2

VDD

1

OUT GND

C38

1

2
3

6

BR93L56RF-NE2

I C7

3

NC

4

R40
10K

<1/10W>

CS

VCC

SK

DO

D I

NC

GND

NC

I C5

DTC124EKA

1

R44

5V

12V

10K

<1/10W>

R54

15.4K
<1/10W>

R53
28K
<1/10W>

1
2
3
4

5

6
7

C25

10/

50V

12V

R48
10K

<1/10W>

I C4

uPA2003

1

I

2

I
I

3
4

I

5

I
I

6

I

7

GND

5V

C26

+

0.01
<F>

D2

DAN217U

1 2

3

13.5V

9

SK
O1

16
15

O2

14

O3
O4

13

12

O5

11

O6

10

O7

8

12V

D3
D1FS4A

1

2

3

4

5

6

7

1

2

3

1

2

3

4

5

1

2

3

4

5

INDICATOR
CN13
B07B-PASK-1

CN14
B03B-XAKK-1-A
REMOTE CONTROL UNIT

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

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

NC

R41 1.0K

<1/10W>

R43
10K

<1/10W>

5V

C23

8

C13

4

0.1

7
5

<F>

0.01
<F>

5V

R55
10K
<1/10W>

C24
1000P
<R>

7

BA10393F

1

BA10393F

R47
390

<1/10W>

R42

47

<1/10W>

6

-

5

+

I C6-2

2

-

3

+

I C6-1

13.5V

R35

1.0K

Q2

3

2

R36
0R0

<1/10W>

B Z

BZ1

PKM13EPYH-4000-A0

C27

<F>

0.1

100K

<1/10W>

0.1 <F>

R37 - R39
10K <1/10W> x 3

C36

0.47
<F>

I C1

uPD78F0535

AVDD

34

AVREF

39

VDD0

I C
RST

VDD1

36
43

P34

P00

44

P01

P35

P02

P36

45

P40

46

P03

33

P10

P41
P42

32

P11

P43

31

P12

P44

30

P13

29

P14

P45

28

P15

P46

27

P47

P16

26

P17

P50

18

P20

P51

19

P21

P52

20

P22

P53

21

P23

P54

22

P24

P55

P25

P56

23

P30

11

P57

12

P31

P64
P65

13

P32

14

P33

P66

38

XT1

P67

37

P70

XT2

41

X1

P71

X2

P72

40

AGND

P73

25

9

GND0

P74

42

GND1

P75

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
<FCR>

JM6
0R0

5V

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

4
3

2
1

1

2

3
4
5
6
7

R7 - R10

1.0K <1/10W> x 4

C19 - C22

0.1 <F> x 4

2008.01.10 7