General ARH14L, ARH14LUAD, AOH14LMAKL Service Manual

INVERTER SPLIT TYPE
AIR CONDITIONER (50Hz)

DUCT type

Models

Indoor unit Outdoor unit

ARH12LUAD AOH12LMAKL
ARH14LUAD AOH14LMAKL

CONTENTS

SPECIFICATIONS

OUTLINE AND DIMENSIONS

REFRIGERANT SYSTEM DIAGRAM

CIRCUIT DIAGRAM

INDOOR PCB CIRCUIT DIAGRAM

ERROR CONTENTS

DISASSEMBLY ILLUSTRATION

PARTS LIST

STANDARD ACCESSORIES

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

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

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

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

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

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

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

. . . . . . . . .

. . . . . . . . . . .

. . . . . . . .

1

2

4

5

7

8OUTDOOR PCB CIRCUIT DIAGRAM

9

11

16

18

SPECIFICATIONS

TYPE

INDOOR UNIT

OUTDOOR UNIT

COOLING CAPACITY

HEATING CAPACITY

AOH12LMAKL AOH14LMAKL

COOLING & HEATING

ARH12LUAD ARH14LUAD

3.50 kW 4.30 kW

4.00 kW 4.80 kW

ELECTRICAL DATA

POWER SOURCE

FREQUENCY

RUNNING CURRENT

INPUT WATTS

E.E.R.

MOISTURE REMOVAL

Note : The above list shows values at the external static pressure of 0Pa, setting the fan speed high notch.

COOLING

HEATING

COOLING

HEATING

COOLING

HEATING

5.10 A 6.00 A

5.80 A 6.50 A

1.15 kW 1.37 kW

1.32 kW 1.49 kW

3.04 kW/kW 3.14 kW/kW

3.03 kW/kW 3.21 kW/kW

1.2 l/hr 1.5 l/hr

230 V

50 Hz

COMPRESSOR

TYPE

Hermetic type, 4 poles, DC motor,

Twin Rotary

DISCRIMINATION

REFRIGERANT (R410A)

TNB220FPCM

1,250 g

FAN MOTOR

DISCRIMINATION

HIGH-SPEED

FAN SPEED

AIR FLOW

DIMENSIONS

WEIGHT

Note : The above list shows values at the external static pressure of 0Pa,setting the fan speed high notch.

INDOOR

DISCRIMINATION

OUTDOOR

H x W x D

GROSS / NET

MED-SPEED

LOW-SPEED

HIGH-SPEED

LOW-SPEED

INDOOR

OUTDOOR

INDOOR

OUTDOOR

INDOOR

OUTDOOR

MFA-18NTT MFA-18NTT

750 r.p.m. 1,000 r.p.m.

680 r.p.m. 860 r.p.m.

610 r.p.m. 720 r.p.m.

MFB-24JTAT

780 r.p.m.

400 r.p.m.

580 m3/h 780 m3/h

2,800 m3/h

217 x 953 x 595 mm

650 x 830 x 320 mm

29 / 25 kg

58 / 54 kg

NOISE LEVEL

HIGH-SPEED

INDOOR UNIT

OUTDOOR UNIT

Note : Static pressure : 0Pa / Duct length : Inlet 0.5m, Outlet 1m

MED-SPEED

LOW-SPEED

COOL

HEAT

32 dB 38 dB

29 dB 34 dB

27 dB 30 dB

50 dB 50 dB

52 dB 52 dB

REFRIGERANT

PIPE LENGTH

FULL CHARGE AMOUNT

ADDITIONAL REFRIGERANT

MAXIMUM PIPE HEIGHT

When you dismantle indoor units which are installed, take care not to make parts fall down, especially motors.

10 m

15 m

20 m

25 m

1,250 g

1,350 g

1,450 g

1,550 g

20 g / m

15 m

12006.05.25

OUTLINE AND DIMENSIONS

INDOOR UNIT
(unit : mm)

Models :
ARH12LUAD
ARH14LUAD

886

850

390

953

920
600

150

22006.05.25

605

57520

217

OUTDOOR UNIT
(unit : mm)

Models :
AOH12LMAKL
AOH14LMAKL

830

350

320

650

12

Bottom

Air flow

343

603

32006.05.25

REFRIGERANT SYSTEM DIAGRAM

OUTDOOR UNIT

High
Pressure
Switch

Condenser

Expansion
Valve

4-Way
Valve

Compressor

Muffler

Accumulator

Strainer

INDOOR UNIT

Refrigerant Pipe
( Gas )

Evaporator

Refrigerant direction

Cooling

Heating

Refrigerant pipe diameter

ARH12LUAD
Gas pipe : 9.52 mm ( 3/8 inch )
Liquid pipe : 6.35 mm ( 1/4 inch )

ARH14LUAD
Gas pipe : 12.70 mm ( 1/2 inch )
Liquid pipe : 6.35 mm ( 1/4 inch )

Refrigerant Pipe
( Liquid )

42006.06.07

CIRCUIT DIAGRAM

INDOOR UNIT

Models :
ARH12LUAD
ARH14LUAD

Thermistor (pipe temp.)

Thermistor (room temp.)

Fan motor
capacitor

Fan motor

CN7

CN6
(drain pump)

CN11
(fresh air)

CN15
(float sw)

CN4

CN5

CN1

CN8

(heater)

(display)

Controller PCB

CN10

CN13

CN17

CN14
(HA)

Outdoor

Remote

Terminal

unit

to outdoor unit

control

to remote control unit

Use T 3.15A - 250V
Fuse on F101

Filter
board

52006.05.25

OUTDOOR UNIT

Models :
AOH12LMAKL
AOH14LMAKL

62006.05.25

INDOOR PCB CIRCUIT DIAGRAM

C6 4700P
<ECQM>

R5 62K
<RS - 2W>

D5
1SR139-600

D10
1SR139-600

C7 0.047
<ECQB>

D2
D1FL20U

D3
MTZJ5.1B

R7
330
<1/4W>

CN4
B2P3-VH-B-Y YELLOW

CN4-1

CN4-2

CN5-1

CN5-2

CN5-3

CN5-4

CN5-5

CN5-6

CN6-2

C105

0.01
<F>

C106

0.01
<F>

+

K2
G5SB-14

C3 0.22 <RE>

R88 120 <1/2W>

CN6-1

R6 100
<1/2W>

D4
D1FL20U

C8
100/6.3V

JM6

C101

0.22
<RE>

K4
G5NB-1A

TM101

TM102

UL1015 AWG14 BLACK

UL1015 AWG14 WHITE

UL1015 AWG14 RED

TERMINAL BOARD

REMOTE
CONTROL
UNIT

to outdoor unit

FH101

L

3.15A - 250V

N

E101 W103

UL1015 AWG16

GREEN

FAN MOTOR

F M

YELLOW / GREEN

1

2(N)

3

1

2(N)

3

POWER SOURCE
230V
50Hz

R1 3.3
<RC - 5W>

FH102

F101

<BET>

SA101
RA-362M

UL1015 AWG18 WHITE

FAN CAPACITOR
450V / 2.3uF
(ARY12,14,18)
450V / 2.5uF
(ARY22)

E

D1
D3SB60

C5
100/
450V

VA102 470V
<TNR>

VA101 470V
<TNR>

W104

UL1015
AWG18

BLACK

UL1015 AWG20 WHITE

UL1015 AWG20 WHITE

BLACK

WHITE

RED

PINK

PURPLE

BLUE

TO CONNECTOR No.17

R4 330K
<SPRH - 2W>

Q1
2SC4236

R3 100
<1/10W>

Q2

R2 1.5
<RS - 2W>

2SC1815

+

ELF17N015A

C103

0.022
<YE>

C104

0.022
<YE>

LF101

CN1 B3P5-VH-B-C BLACK

CN1-1

CN1-2

CN1-3

CN5 B6P11-VH-B WHITE

DRAIN PUMP

CN6 B2P3-VH-B-E BLUE

CUSTOM CODE

CUSTOM CODE

CUSTOM CODE

SWITCHING TRANSFORMER

T1

ZFT29B01

PRIMARY SECONDARY

K1
G5SB-14

K3
G5SB-14

TEST

SW1
DSS803

No.1

No.2

No.3

AUTO RESTART

ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )

ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )

D6
D2FL20U

C9
1000
/25V

C54

0.01
<F>

VA1 470V
<TNR>

C

SW2 DRS4016-5

18

14

10

SSR1

G3MC-201PL-VD

DC12V

VA2 470V
<TNR>

R21 - R24
10K <1/10W> x 4

CN9-1

CN9-2

CN9-3

CN9-4

CN9-5

CN9
B5P-SHF-1AA

WHITE

R17

JM1

JM2
JM3

+

R8 10K
<1/10W>

R29

8

4

2

1

5V

+

-

5V

R39 R38

10K <1/10W> x 3

R16

R15

14V

5V

I C2
7812

I O

G

I C3
7805

I O

G

10K <1/10W> x 4

R30 R31

I C 10 H I 2002

R93 10K <1/10W>
R94 10K <1/10W>
R95 10K <1/10W>
R96 10K <1/10W>

I C5 (5/7)

14V

uPA2003GR

K 2

K 1

K 3

K 4

I C6 (4/7)
uPA2003GR

5V

R37

5V

R18 1.0K <1/10W>
R19 1.0K <1/10W>
R20 1.0K <1/10W>

12V

C11

+

10/
25V

R59 R97

10K <1/10W> x 4

5V

C13

C14

0.1
<F>

R32

14V

9

11 6

12

13 4

14 3

15 2

12

13

14 3

15

R25 - R28

1.0K <1/10W> x 4

+

100/

6.3V

R33 - R36

1.0K <1/10W> x 4

5V

1

C26 - C29

0.01 <F>
x 4

10

8

5

2

3

R10
10K
<1/10W>

4

C17

0.01
<F>

5

5

4

2

C22 - C25

0.01 <F> x 4

10K <1/10W> x 3

R42 1.0K <1/10W>
R41 1.0K <1/10W>

R40 1.0K <1/10W>

0.01 <F> x 3

C21

0.01
<F>

R98 R99

C15

0.1
<F>

NC

I C5 (1/7)

7

uPA2003GR

R14 10K
<1/10W>

5V

Q3
DTC124EKA

C10 C12

C20

0.01
<F>

C47

0.1
<F>

R9 390
<1/10W>

C30

CR1

0.01
<F>

CR6

0.01
<F>

C19

0.01
<F>

1

2

3

54

55

66

65

74

68

75

7

4

67

33

72

56

57

58

59

41

42

63

40

39

38

37

36

52

51

49

48

43

44

45

46

19

20

21

P15

P16

P17

P122

P123

P05

P04

VDD0

VDD1

AVRF0

AVRF1

AVSS

VSS0

VSS1

XT2

P124

P125

P126

P127

P65

P66

P02

P64

P63

P62

P61

P60

P120

P37

P35

P34

P67

P30

P31

P32

P40

P41

P42

X1 X2

70 69

1

RESET

2

CONTROLLER PCB ASSY (main PCB)

ARH12LUAD : K01AL-0412HSE-C1
ARH14LUAD : K01AL-0411HSE-C1

P10

76

C32
1000P
<R>

77

P11

P70

P71

P72

P131

XT1

P46
P47

P57
P56

P36

P33

P50

P27

P26

P25

P22

P21

P20

P130

P51

P52

P53

P54

P55

P01

P00

P121

P03

P12
P13

P14

P45

P44

P43

I C
P24

P23

3

C35
1000P
<R>

8

9

10

6

73

25
26

35
34

50

47

27

18

17

16

13

12

11

5

28

29

30

31

32

62

61

Q5
2SC2712

53

64

78
79

80

24

23

22

C16

C31

71
15

14

60

C44

0.1
<F>

X1
CSTS0500MG03-T

I C5 (1/7)

7

5

3

1

5V

R60
10K
<1/10W>

3

2

I C6 (1/7)
uPA2003GR

CR7

R67 1.0K

0.01
<1/10W>

<F>

C43

5V

R55
10K
<1/10W>

R44 1.0K
<1/10W>

R46 1.0K
<1/10W>

R50 10K <1/10W>

VCC

DO

4

NC

D I

3

2

CK

NC

1

CS

GND

I C7
BR93L46RF

R77 - R79
10K <1/10W> x 3

6 11

I C6 (2/7)

1

16

uPA2003GR

uPA2003GR

161

10

6

11

12

I C4 (7/7)

14V

uPA2003GR

9

13

4

8

14

15

2

16

C40

0.01
<F>

5V

R61
10K
<1/10W>

3

Q6

1

2SC2712

2

R65 390 <1/10W>

107

R68 10K
<1/10W>

C1

0.1
<F>

CR2 - CR4
10K <1/10W> x 3

R81 1.0K <1/10W>

R72 1.0K <1/10W>
R71 1.0K <1/10W>

0.01 <F> x 3

5V

1

3

I C8

2

PST600C

8

7

6

5

R62 4.7K
<1/10W>

1

5V

R70

R56

C45

0.1
<F>

R43 10K
<1/10W>
(1%)

R45 49.9K
<1/10W>
(1%)

5V

C39

0.1
<F>

R57 1.0K
<1/10W>

BZ1
PKM13EPY-4000

R51 0.1 <1/10W>

R54 47 <1/10W>

CR5
1000P
<R>

12V

+

7

­I C11-2
BA10358

5V

R69

10K <1/10W> x 3

R80

R58, R100
10K <1/10W>
x 2

B Z

R53
10K
<1/10W>

5

6

D7
DA226U

SW4
DSS803

No.3

No.2

No.1

R76
10K
<1/10W>

JM10

C34

0.1
<F>

C37

0.1
<F>

C49

0.01
<F>

5V

Q4
DTC124EKA

14V

C38

0.01
<F>

14V

5V

R52
10K
<1/10W>

12V

12V

R63 15.4K
<1/10W>
(1%)

R64 28K
<1/10W>
(1%)

12V

L2 0.022
<DSS306>

L4 0.022
<DSS306>

R66 10K
<1/10W>

L3 0.022
<DSS306>

I C11-1
BA10358

3

+

1

2

-

FUN DELEY SHIFT

FAN MOTOR TYPE SHIFT

REMOTE CONTROL UNIT TYPE SHIFT

5V

R75
10K
<1/10W>

R49 1.0K
<1/10W>

5V

C41

+

10/
25V

5V

5V

RJ2
10K

RJ1 1.0K
<1/10W>

<1/10W>

CN15-1

CN15-2

CN15-3

CN15 B3B-XARK-1-A RED

R48 10K
<1/10W>

5V

5V

R47 390
<1/10W>

CN10-1

CN10-2

CN10 B2B-XAMK-1-A GREEN

CN11 B2B-XARK-1-A RED

CN11-1

CN11-2

CN13 B8B-XASK-1-A

CN13-1

CN13-2

CN13-3

CN13-4

CN13-8

CN13-5

C42

0.01
<F>

CN13-7

CN13-6

CN17 B3B-XAKK-1-A BLACK

CN17-1

UL1430 AWG22 RED

CN17-2

UL1430 AWG22 WHITE

CN17-3

UL1430 AWG22 BLACK

CN8 B2B-XASK-1-A

CN8-1 BLACK

CN8-2 BLACK

CN7-1 GRAY

CN7-2 GRAY

CN7 B2B-XAKK-1-A BLACK

FLOAT SWITCH

CN14 B4B-XH-AM

CN14-4

CN14-3

JEM-A HA

CN14-2

CN14-1

HEATER

FRESH AIR

DISPLAY BOARD

ROOM TEMPERATURE THERMISTOR

PIPE TEMPERATURE THERMISTOR

TO TERMINAL BOARD

1 PIN

2 PIN

3 PIN

72006.07.14

OUTDOOR PCB CIRCUIT DIAGRAM

CONTROLLER PCB ASSEMBLY
AOH12LMAKL : K03AV-0501HUE-C1
AOH14LMAKL : K03AV-0502HUE-C1

POWER SOURCE
220 / 240V
50Hz

TO
INDOOR UNIT-A

FAN CAPACITOR

FAN MOTOR

C200
450V

3.5uF

F M 1

4-WAY VALVE

PRESSURE SWITCH

COMP. THERMOSTAT

EXPANSION VALVE-A

M

HEATSINK
TEMP. TH.

DISCHARGED
TEMP. TH.

PIPE
TEMP. TH.

OUTDOOR
TEMP. TH.

EMI FILTER
RFC-8

F201 TLC

1T

25A - 250V

L

N

L

N

WHITE

BLACK

WHITE

B

3

UL1015
AWG16

GREEN

EARTH

RED

UL1015
AWG20 x 4

UL1015
AWG20

BLACK

UL1015
AWG20

BLACK

BLACK

WHITE

RED

BLUE

CN11 B4P7-VH-B

BLACK

BLACK

CN30 179844-1 WHITE

RED

RED

CN37 B2B-XARK-1-A RED

BROWN

BROWN

CN38 B2B-XAMK-1-A GREEN

CN27 B6B-XARK-1-A RED

CN25 B2B-XAKK-1-A BLACK

CN21 B2B-XH-AM YELLOW

CN22 B2B-XH-AM RED

CN23 B2B-XAEK-1-A BLUE

BROWN

BROWN

BROWN

BROWN

BLACK

BLACK

BLUE

BLUE

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

UL1015
AWG14

BLACK

W1

BLACK

B

W4

BLACK

W2

BLACK

B

W5

BLACK

B

W3

B

W8

W103

BLACK

W102 B

4

3

2

1

2

RE1202

1

1

2

1

2

12V

1

2

3

4

5

6

1

2

1

2

1

2

1

2

VA101
470V
<TNR>

VA102
470V
<TNR>

SA100
RA-302M

GREEN

RED

B

BLACK

CR5

5V

L202
BL02Rn1

L201
BL02Rn1

SERIAL A

R91

R90

R63 6.65K
<1/10W>
(1%)

R67 38.3K
<1/10W>
(1%)

CR1
RE1202

K11
G5SB-14

3
4

5

2.2K x 2

<1/10W>

C70C71

0.1 <F> x 2

5V

R65 56K
<1/10W>
(1%)

RCV2515-010PF05

C101

1.0
<LE>

K13

2

2 3

12V

4

+

1

G5NB-1A

3

12V

1

K17
G5NB-1A

1.0K <1/10W> x 2
R93

R92

C73

0.01 <F> x 2

1

4

12V

1

2

4

C72

R62 10K
<1/10W>

R64 10K
<1/10W>

R66 10K
<1/10W>

L1

2

3

C104

0.033
<YE>

C106

C105

1.0

0.033
<LE>

<YE>

PFC5000-0502

x 2

FH1

F4

250V - 5A

<BET>

18

14

8

7

12V

D28
SLR-332

<RED>

R43

2.2K <1/10W>

C37

0.1
<F>

C38

0.1
<F>

C39

0.1
<F>

C43

0

C44

0

C45

0

TM100

FH2

2

O1

7

O2

9

O3

16

O4

4

GND1

5

GND2

12

GND3

13

GND4

I C4
TD62064

3

HY I C1
HU2001

10

6

COM1
COM2

NC1

NC2

I 1
I 2
I 3

I 4

R44 6.65K
<1/10W>
(1%)

L2

N200500K

54

CT1
CT-1B

R60 1.0K
<1/10W> (1%)

1

4 3 2

5

3

4

5

5V

I C3-5 M54523

I C3-6 M54523

I C3-4 M54523

I C3-2 M54523

I C3-1 M54523

I C3-7 M54523

I C3-3 M54523

3

6
11
14

12V

1

8
10
15

5V

R47

2.94K

<1/10W>

(1%)

I C14-1
uPC393

R45 10K
<1/10W>

C107

3.3
<LE>

5V

1

2

5V

1

2 1

R51 27K

<1/10W>

5V
R50
10K
<1/10W>

R52 1.0K
<1/10W>

5V

R53
10K
<1/10W>

12

11

13

15

16

10

14

R97
R96
R95
R94

1.5K <1/10W> x 4

R46

2.87K
<1/10W>
(1%)

C75

0.1
<F>

5V

2

-

1

3

+

C74

0.1
<F>

5V

R11
10K
<1/10W>

RCV2515-010PF05

1 2

D60
DAN217U

3

C60

+

220/16V
<PJ>

R61 3.74K
<1/10W> (1%)

R55 1.0K
<1/10W>

R56 27K <1/10W>

3

Q51

1

2SC2412K

2

<BQ>

5

6

4

2

1

7

3

5V

R49
10K
<1/10W>

R42 1.0K
<1/10W>

C76

0.1
<F>

L4

VR1
B2K

C51

0.022 <F>

C77

0.1
<F>

C111

1.0
<LE>

34

R68 22K
<1/10W>

C40

0.1
<F>

C53

0.022
<F>

C64

0.1
<F>

12V

4

1

K101

DW12D1

<1/10W>

MB90F462APFM-

17
16

35

59
58
60
21

34
47
27
28
29
30
31
32
33
57
41
42

43
44
10

22

23

1

2

R200
ZPR0RCH400

3

2

C114

1.0 <LE>

R437 270

<1/10W> (1%)

R438 270

<1/10W> (1%)

5V

R404

510

2

0.1 <F> x 2

I C 1

G-204-E1

VCC

AVCC

P62

2

P00

P46

P01

P12
P50

3

P17
P13

P37

P14

P36
P40

P15

MD2

P16

AVR

P11

P24

P26

P25

P02

P30

P03

P31

P04

P32

P05

P33

P06

P34

P07

P35

P10

P60

C

P61

P20
P21

MD0

P22

MD1
P44

P23

P43

P57

P42

P56

9

P41

8

P55

P45

P54

7

RSTX

P52

5
6

P27

P53

AGND

4

P51

GND

X0
X1

GND

3

X1

8.00MHz
<EF0EC>

2

3

D101
D25XB60

1

2

3

I C402
PS2561L-1-V

Q401

1

DTC114EKA

C19 C18

56P63
11

R608 10K

25

<1/10W>

26
40
36
37
38
39
12

45
46
50
51
52
53
54
55
14
15
18
20
64
63
62
61

1
19
48
13
24
49

CHOKE COIL
L=0.3MH 30A

UL1015

W10

RED

AWG14

W11

BLACK

1

2

3

4

RED

BLACK

UL1015
AWG14

+

-

BROWN

RED

ORANGE

UL1007
AWG24

10K

<1/10W>

035

0.01
<F>

x 2

+

-

C415

0.01
<F>

A

18V

4

3

1

4

18V

A

CN407

C413

B4B-XASK

0.01

-1-A WHITE

<F>

A

ACTPM CONTROL

C115

0.1
<HCP>

<1/10W>

C95

R114 27K

100P

<1/10W>

<CH>

5V

+

I C201
BR93LC46

8

1

CS

C20 <PS>

4.7/50V

5V

VCC

4

2

SK

DO

7

3

D I

NC

GND

R205 10K

5

6

NC

JM207

R78

R75

R76

R77

U
X
V
Y
W
Z

R79

5V

R19 10K
<1/10W>

R72 1.0K
<1/10W>

C17

0.01
<F>

C16

+

4.7/50V
<PS>

2

SUBNCVCC

1

I C6
BD4742G

R73 82K
<1/10W>

5
4

VOUT

3

GND

L1

C414

SACT32010A

ACTPM

YELLOW

5V

R407

R403

036

0.01
<F>

5V

R113

1.0K

5V

C91

0.01
<F>

<1/10W>

5V

R74

10K

<1/10W> x 6

5V

TERMINAL 2P

EMI FILTER

TFC-25

-15-12
2T

L2

P

N1

I C400-1
uPC393

18V

1

4

<1/4W>

23

I C401
PS2561L-1-V

18V

1

4

2

3

I C404
PS2561L-1-V

5V

R103 4.7K

Q91

<BQ>

<1/10W>

2SC2412K

3

1

2

560 <1/10W>
x 6

EMI FILTER
C204
1200 450V

WHT

+

PURPLE

UL1015 AWG14

18V

R436

1

3.3K

I C400-2
uPC393

7

R442

3.3K
<1/4W>

8
6

5

I C13
PS8602

I C11-2
uPC393

R310 - R315
100 <1/10W> x 6
R316 - R321
100 <1/10W> x 6

R85

R84

R83

R82

R81

R80

I C301 - I C306
PS2561L-1-V x 6

R605 22K

<1/10W>

RFC-8

TM104

1T

YEL

TM105

BLUE

18V

C409
10/
25V
<PS>

+

D402
RD3.3ES <B2>

8

C411

2

-

0.01 <F>

3

+

A

6

-

5

+

<1/10W> x 2

A

A

C414

C412

0.01

0.1
<F>

<F>

15V

R102

1.6K
<1/4W>

2

2

-

1

3

3

+

I C11-1
uPC393

6

-

7

5

+

5V

1

2

1

2

1

2

1

2

1

2

1

2

10K <1/10W> x 5

R21

R604

R20
10K
<1/10W>

A

C87

470P

<CH>

5V-2

4

3

4

3

4

3

4

3

4

3

4

3

R322

R603

R435

R441

R201 220K
<2W>

A

R402 S3.3K

<1/4W>

1.0K

<1/10W>
(1%) x 2

C89

470P

<CH>

R323

R324

330 <1/10W> x 6A

5V

R602

R601

R400

R440

R406

2.87K

R401

2.94K

A

15V

R325

180K <RN - 1/2W>

C88

0.1
<F>

A

R326

5V

7

8

9

10

C116

0.1 <HCP>

(1%) x 2

<1/2W>

1

1

1

1

1

R327

1

2

3

4

5

6

L100

BARE WIRE

SN-PLATED

DIA 0.65MM

Q1

2SC4236

2

1

3

R140

D1

1.2
D1FL20U

DAN217U x 2

D81 D82

2

2

1

3

3

R105 2.49K
<1/10W> (1%)

R108 2.87K
<1/10W>
(1%)

R328 - R333

5V-2

1.0K <1/10W> x 6

3

2

3

2
3

2

3

2

3

2

3

1

Q301

2

Q302
Q303
Q304
Q305

Q306
2SC2412K
<BQ> x 6

CN601
B10B-PASK-1 WHITE

TAUX

TTXD

TRXD

TMODE

TAUX3

TCK

/ TRES

/ T I CS

FH3 PFC5000-0502

F2 250V
<BET> 3.15A

FH4 PFC5000-0502

R2 1.0K

<RS - 3W>

R1
220K

C1 220P

<2W>

<BN>

R3 100

C2 0.047

<1W>

<ECQB>

D1FL20U

D10

RD5.6ES

<B2>

100/16V

<PJ>

R4 330
<1/4W>

R104
195K x 6 (1%)
<RN - 1/2W>

1

R106

R87 2.94K
<1/10W>
(1%)
R107 680
<1/10W>
(1%)

A

R360
39
<1/2W>

A

C316

C314

C315

2200P <B> x 6

FLASH

D2

C3

R111

R112

R110

C313

C4

T1

15V

+

1
2
3
6
7

8

I C101
TA7805

1

I

D8
D1FL20U

D7
D1FL20U

3

O

G

+

2

C10
100/16V <PS>

R5 10K
<1/10W>

D401
D1FL20U

C406
220/50V
<PJ>

5V-2

C11

0.1
<F>

A

JPZ-200

16
15
13
12
10

9

D100
D1FL20U

+

C7

220/

35V

<PJ>

195K x 6 (1%)

R86

<RN - 1/2W>

470/25V
<PJ>

+

C5
220/16V
<PJ>

TA7805

1

+

+

1

G

2

I C407
uPC24M18

I C8

I

O

12V

5V

O

C6

G

+

2

100/16V
<PS>

18V

33I

C418

+

10/35V
<PS>

A

R89

R88

5V

I C307

R33

PS2561L-1-V

C33

0.01
<F>

UP
VP I
VUFB
VUFS
VP

VP I
VVFB
VVFS
WP
VP I
VPC

VWFB
VWFS

A

VNC
C IN
CFO

VN I

FO
UN
VN
WN

P

U
V

W

N

10K
<1/10W>

C34

0.01
<F>

<1/10W>

14
15
16
17
18

19
20
21
22
23
24
25
26

R303

4.7K

C332

0.1
<F>

C327

0.022
<F>

4

3

15V

5V-2

R302 1.0K

A

<1/10W>

A

C328
2200P
<B>

A

5V-2

1

2

R301

R304
560
<1/10W>

0.02
<5W>
x 2

TM303

W

BLACK

R305

A

TM304

TM305

U

V

RED

WHITE

R40 1.0K
<1/10W>

15V

47/35V <PJ> x 3

330K <1/10W> x 3

U1JU44 x 3

0.1 <F> x 3

+

R361

D301

C323

C305C304

+

C322

D302

R363

+

C321

R362

D303

15V

A

15V

A

15V

C312

C311

A

C324 - C326

0.1 <F> x 3

I C310

C303

PS21246

1
2
3
4

5
6
7
8
9

10
11
12
13

C M

C46

0

82006.07.14

ERROR CONTENTS

INDOOR UNIT

(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button si-

multaneously for 2 seconds or more to start the test run.

Test run display

(3) Press the start/stop button to stop the test run.

SELF-DIAGNOSIS

When the error indication "E:EE" is displayed, follow the following
items to perform the self-diagnosis. "E:EE" indicates an error has
occurred.

REMOTE CONTROLLER DISPLAY

(1) Stop the air conditioner operation.
(2) Press the set temperature buttons simultaneously for 5

seconds or more to start the self-diagnosis.
Refer to the following tables for the description of each error
code.

Unit number (usually 0)

SUMOTUWETH FR

EX. Self-diagnosis

(3) Press the set temperature buttons simultaneously for 5

seconds or more to stop the self-diagnosis.

Error code

SA

Error code Error contents

00
01

02
03

Communication error
(indoor unit remote controller)

Communication error
(outdoor unit indoor unit)

Room temperature sensor open

Room temperature sensor short-circuited

Indoor heat exchanger temperature sensor open

04
05

Indoor heat exchanger temperature sensor short­circuited

Outdoor heat exchanger temperature sensor

06

08

Power source connection error

09

0A

0c

11

12

13

14

15

16

17

Float switch operated

Outdoor temperature sensor

Discharge pipe temperature sensor

Model abnormal

Indoor fan abnormal

Outdoor signal abnormal

Outdoor EEPROM abnormal

Compressor temperature sensor

Pressure switch abnormal

IPM error

1A

1b

92006.05.24

Compressor cannot operate

Outdoor fan abnormal

OUTDOOR UNIT

(1) Is there any abnormal noise and vibration during operation ?
(2) Will noise, wind or drain water from the unit disturb the

neighbors?

(3) Is there any gas leakage?

Do not operate the air conditioner in the test running state
for a long time.

For the operation method, refer to the operating manual
and perform operation check.

Error contents

Serial signal error

Discharge pipe thermistor error

Heat exchanger thermistor error

Outdoor temperature thermistor error

Compressor thermistor error

Pressure switch error

Current trip error

CT error

Compressor position detection error

LED (Red)

1 time blink

2 times blink

3 times blink

4 times blink

7 times blink

8 times blink

10 times blink

11 times blink

12 times blink

Compressor starting error

Timer error

13 times blink

14 times blink

102006.05.24

DISASSMBLY ILLUSTRATION

Models :
ARH12LUAD
ARH14LUAD

160

587

235

184-1

146

287

173

74

762

464

196-2

588-2

147

63

588-1

761

173

625

244

381-4

173

112006.04.27

Models:
ARH12LUAD
ARH14LUAD

122006.04.27

Models :
ARH12LUAD
ARH14LUAD

143-1

287

380

514

236

195

34

875

455

982-2

982-1

381-4

815-1

240

132006.04.27

Models :
AOH12LMAKL
AOH14LMAKL

527

14

7

734

64

4

5

2

142006.04.27

Models :
AOH12LMAKL
AOH14LMAKL

13-3

349

17

346-1

16

343

344

29

334

754

109

46

85

13-2

345-2

345-1

346-2

273-1

348

335

108

361

273-2

12

33

411

55

45-2

31

45-1

45-3

41

39

45-4

26-2

26-1

152006.04.27

PARTS LIST

INDOOR UNIT

Ref.
No.

109 Casing Assy
126 Motor Fixing Table Assy
138 Panel Assy (Motor)
143-1 Clamp NK-3N
146

147 Inlet Pipe (Eva.) Assy
160 Drain Pan Assy
164
173 Hook Metal
184-1 Thermo. Spring-A
195 Binder C SKB-100
196-2 Binder M SKB-150
234 Thermistor Assy-Room
235 Thermistor Assy-Pipe
236 Controller PCB Assy

Description

34 Capacitor (Fan Motor)
56 Sirocco Fan Assy
63 Front Panel Assy
67 Rubber (Vibration - proof)
74 Air Filter

Evaporator Assy

Fan Motor Assy

(MFA-18NTT)

Part No.

ARH12LUAD ARH14LUAD

9900270179
9358621004
9363723007
313659068604
9366833017
9363322002
9358591000
9363401004
313361274700
9373255024

9373034063

9364502045
9600778210
9363195002
313728262708
313361275805
313035356905
9703299018
9703297090

9704557988

(KO1AL-0412HSE-C1) (KO1AL-0411HSE-C1)

9900270179
9358621004
9363723007
313659068604
9366833017
9363322002
9358591000
9363401004
313361274700
9373255024

9373034063
9364502045
9600778210
9363195002
313728262708
313361275805
313035356905
9703299018
9703297090
9704557971

Ord.
Q'ty

240
244
287 Cap (Power)
338 Motor Fixture
380
381-4 Spacer
455 Control Box
464 Cover (Cabinet)
514 Control Box Cover
587

588-1 Bracket Eva. R
588-2
625 Cord Bushing
653-1 CUP SCREW
734 Panel Top
761 Side Panel-R Assy
762
815-1 Terminal 7P
875
982-1 Cord Clamp

982-2 Cord Clamp-B

Remote Control Unit
Cover (Piping)

Locking Spacer

Support Plate (Eva.) 93634040059363404005

Bracket Eva. L

Side Panel-L Assy

Filter PCB Assy

9372266014
9363327007
9352173011
9358594001
313209391403
0600118075
9366299004
9363400007
9363201000

9363199000
9363198003
9359240006
9385089020
9363504002
9363507003
9363505009
9703403019
9704561251
9356857009

9356858006

9372266014
9363327007
9352173011
9358594001
313209391403
0600118075
9366299004
9363400007
9363201000

9363199000
9363198003
9359240006
9385089020
9363504002
9363507003
9363505009
9703403019
9704561251
9356857009

9356858006

162006.07.14

When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.

OUTDOOR UNIT

Ref.

Description

No.

2 Fan Guard 9371187013 9371187013
4 Emblem-Rear 9372171011 9372171011
5 Front Panel, Painted 9371924014 9371924014

7 Connector Cover (Cabinet) 9366398004 9366398004
12 Base Assy, Painted 9371920078 9371920078
13-2 2-Way Valve 9372204054 9372204054
13-3 3-Way Valve 9372205051 9372205051
14 Valve Cover 9372796016 9372796016
16 Condenser Assy 9372181096 9372181096
17 Thermistor Holder Pipe 313714262805 313714262805

26-1 Compressor Cover-A 9373730019 9373730019
26-2 Compressor Cover-B 9373730026 9373730026
29 Separate Wall 9372795019
31 Controller PCB Assy 9705285064
33 Control Cover 9372792018
39 Propeller Fan Assy 9366378013
41 Fan Motor Assy-IN 9601671046
45-1 Motor Bracket 9371929019
45-2 Motor Bracket-Top 9371931012
45-3 Motor Bracket-Center 9371930015 9371930015

45-4 Motor Bracket-Bottom 9371932019 9371932019
46 Compressor Assy 9373262015 9373262015
55 Special Nut M8 9355091008 9355091008
64 Side Panel-L, Painted 9371926018 9371926018
85 Valve Plate, Painted 9371928012 9371928012

108 Rubber Seat (For Comp. ) 9358080009 9358080009
109 Terminal Cover (For Comp. ) 9373264019 9373264019
273-1 Strainer Assy 9372524015 9372524015
273-2 Joint Pipe (2-Way)-A 9373729549 9373729549
334 Accumulator 9368391003 9368391003

AOH12LMAKL AOH14LMAKL

Part No.

9372795019
9705285071
9372792018
9366378013
9601671046
9371929019
9371931012

Ord.

Q'ty

335 Accumulator Holder Rubber 9354022010 9354022010
343 Solenoid 9900165079 9900165079
344 4-Way Valve 9900163013 9900163013
345-1 Muffler 9372369029 9372369029
345-2 Joint Pipe (3-Way) 9373729556 9373729556
346-1 Expansion Valve Assy 9373729518 9373729518
346-2 Coil (Expansion Valve) 9900057022 9900057022
348 Pressure Switch Assy 9373729044 9373729044
349 Capillary Assy 9373729433 9373729433
361 Accumulator Support Assy 9372252017 9372252017

411 Gasket 9373266013 9373266013
527 Protective Net 9371934013 9371934013
734 Top Plate 9371925011 9371925011
754 Rubber Washer 9358078006 9358078006

---- ACTPM 9703457012 9703457012

---- Capacitor, Elec. 9705387010 9705387010

---- Fuse 0600086039 0600086039

---- Fuse Holder 0501454012 0501454012

---- Capacitor, Plastic 9900270049 9900270049

---- Terminal-5P 9900203023 9900203023

---- Terminal-2P 9701971015 9701971015

---- Hex. Bolt Socket 0700145148 0700145148

---- Clip (Cable) 9352715006 9352715006

---- BR Sheet 9363708042 9363708042

---- Relay 9900117016 9900117016

---- Compressor Presure Switch 9900186012 9900186012

---- Compressor Thermal Switch 9373263012 9373263012

---- Discherge Temperature Thermistor 9704219039 9704219039

---- Heat Exchanger Thermistor 9900374020 9900374020

---- Outdoor TemperatureThermistor 9900378011 9900378011

---- Heat Sink Thermistor 9900195014 9900195014

When you order parts, please make a photocopy of this page and

172006.07.14

fill the number of the parts in the "Order" column.

STANDARD ACCESSORIES

INDOOR UNIT ACCESSORIES

Name and Shape Q'ty Application Part No.

Installation
template

For positioning the indoor unit

1

9364225005

Hanger

Tapping screw

( 4 x 10)

Special nut A
(large flange)

Special nut B
(small flange)

Coupler heat
insulation
(large)

Coupler heat
insulation
(small)

Binder

Remote
controller

For suspending the indoor unit
from ceiling

4

For installing the hanger

8

For suspending the indoor unit

4

from ceiling

4

For indoor side pipe joint
(large pipe)

1

For indoor side pipe joint
(small pipe)

1

(Small)

For remote controller and remote

1

controller cord binding

(Large)

For fixing the coupler heat

4

insulation

Heat & Cooling model

1

9363195002

0700009037

313005446653

313005446759

9350716029

9352766015

313361275805

312300787605

9372266014

Remote
controller cord

Tapping screw

( 4 x 16)

Filter

Drain hose
insulation

For connecting the remote

1

controller

For instaling the remote
controller

2

For instaling to indoor unit

3

Insulates the drain hose and
vinyl hose connection

1

OUTDOOR UNIT ACCESSORIES

Drain pipe

Drain cap

Adapter D (1/2" 3/8")

12.70mm 9.52mm

For outdoor unit drain
piping work

1

[Heat & Cool model
(Reverse cycle) only]

1

For use when connecting
model 12,000 BTU/h

1

9372714010

0700181108

9366833017

313806217708

Part No.ApplicationQ'tyName and Shape

9303029015

313166024302

9370244007

182006.05.24

0603G3058