General AUHA12L, AUHA12LAL, AOHA12LACL, AUHA14L, AUHA14LAL Service Manual

SPLIT TYPE
AIR CONDITIONER

CASSETTE

type (50Hz)

Models

Indoor unit Outdoor unit

AUHA12LAL
AUHA14LAL
AUHA18LAL
AUHA24LAL

AOHA12LACL
AOHA14LACL
AOHA18LACL
AOHA24LACL

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
13
15
20
23

SPECIFICATIONS

ELECTRICAL DATA

TYPE

INDOOR UNIT

OUTDOOR UNIT

COOLING CAPACITY

HEATING CAPACITY

POWER SOURCE

RUNNING CURRENT

INPUT WATTS

E.E.R.

COP

MOISTURE REMOVAL

AIR CIRCULATION
(HIGH)

Cooling

Heating

Cooling

Heating

Cooling

Heating

Cooling

Heating

Inverter cooling & heating

AUHA12LAL AUHA14LAL

AOHA12LACL AOHA14LACL

3.50 kW

4.10 kW

230 V 50 Hz

4.6 A

4.9 A

1.05 kW

1.11 kW

3.33 kW/kW

3.69 kW/kW

1.3 L/hr

600 m3/hr 680 m3/hr

600 m3/hr

4.30 kW

5.00 kW

230 V 50 Hz

5.8 A

5.9 A

1.33 kW

1.34 kW

3.21 kW/kW

3.71 kW/kW

1.5 L/hr

800 m3/hr

AUHA18LAL AUHA24LAL

AOHA18LACL AOHA24LACL

5.20 kW

6.00 kW

230 V 50 Hz

7.1 A

7.3 A

1.62 kW

1.66 kW

3.21 kW/kW

3.61 kW/kW

2.2 L/hr

680 m3/hr 930 m3/hr

800 m3/hr

7.10 kW

8.00 kW

230 V 50 Hz

9.7 A

9.7 A

2.21 kW

2.21 kW

3.21 kW/kW

3.61 kW/kW

2.7 L/hr

930 m3/hr

MAXIMUM CURRENT

10.0

A

12.5

A

FAN MOTOR

Discrimination

INDOOR UNIT
( cool / heat )

OUTDOOR UNIT ( cool / heat )

High speed

Med speed

Low speed

Quiet

650 / 650 r.p.m.

580 / 580 r.p.m.

520 / 520 r.p.m.

460 / 460 r.p.m.

770 / 700 r.p.m. 820 / 750 r.p.m.

730 / 830 r.p.m.

630 / 730 r.p.m.

540 / 630 r.p.m.

460 / 500 r.p.m.

MFF-24RVL

730 / 830 r.p.m.

630 / 730 r.p.m.

540 / 630 r.p.m.

460 / 500 r.p.m.

860 / 820 r.p.m. 1,050 / 1,050 r.p.m.

NOISE LEVEL

High speed

INDOOR UNIT
( cool / heat )

OUTDOOR UNIT ( cool / heat )

Med speed

Low speed

Quiet

37

dB

/ 37

dB

34

dB

/ 34

dB

30

dB

/ 31

dB

27 dB / 29 dB

47 dB / 48 dB

38 dB

/ 43

dB

34

dB

/ 38

dB

30

dB

/ 34

dB

27 dB / 30 dB

49 dB / 49 dB

38

34

30

26 dB / 30 dB

50 dB / 50 dB

DIMENSIONS

INDOOR UNIT 245 x 570 x 570 mm

PANEL

OUTDOOR UNIT

H x W x D

H x W x D

H x W x D

49 x 700 x 700 mm

578 x 790 x 300 mm

12.5

dB

dB

dB

A

/ 43

/ 38

/ 34

dB

dB

dB

13.5

A

960 / 960 r.p.m.

850 / 880 r.p.m.

650 / 740 r.p.m.

500 / 580 r.p.m.

49

dB

/ 49

dB

44

dB

/ 45

dB

36

dB

/ 40

dB

30 dB / 33 dB

52 dB / 53 dB

578 x 790 x 315 mm

WEIGHT

INDOOR UNIT 15 kg / 18 kg

PANEL

OUTDOOR UNIT

Net / Gross

Net / Gross

Net / Gross

40 kg / 44 kg

REFRIGERANT (R410A)

COMPRESSOR

COMPRESSOR WEIGHT (with oil)

Pipe Length

FULL CHARGE

ADDITIONAL REFRIGERANT

15 m 1,150 g

20 m 1,250 g

25 m 1,350 g

30 m ---

20 g/m

DA130A1F-25NA

. kg .0 kg

9.6

1,250 g

1,350 g

1,450 g

---

20 g/m

12007.07.27

2.6 kg / 4.5 kg

1,250 g

1,350 g

1,450 g

---

20 g/m

17 kg / 20 kg

44 kg / 48 kg

DA150A1F-20NA

10

1,700 g

1,800 g

1,900 g

2,000 g

20 g/m

OUTLINE AND DIMENSIONS

Unit : mm

DECORATION PANEL

700

700

INDOOR UNIT

30

49

530(Hanging bolt position

)

)

TOP VIEW

570

Hanging bolt position
(

540

75

135

Drain pipe(0.D. 25.4

102

146

245

250

)

40

Liquid pipe Gas pipe

22007.0.23

99

30

108

SIDE VIEW

OUTDOOR UNIT
AOHA12LACL
AOHA14LACL
AOHA18LACL

Unit : mm

Top view

790

66

300

578

10

347

Front view

Side view

540

Air flow

320

Drain pipe
mounting place
( 20)

Bottom view

184

121

177

4- 10mm hole

189

32007.02.23

OUTDOOR UNIT
AOHA24LACL

Unit : mm

Top view

790

66

315

578

10

347

Front view

Side view

540

Air flow

320

Drain pipe
mounting place
( 20)

Bottom view

184

121

177

4- 10mm hole

189

42007.02.23

REFRIGERANT SYSTEM DIAGRAM

OUTDOOR UNIT

Heat
exchanger

INDOOR UNIT

Muffler

3-Way
valve

Muffler

4-Way
valve

Heat
exchanger

Accumulator

Compressor

: Compressor thermistor
: Discharge pipe thermistor
: Heat exchanger thermistor (Meddle)
: Heat exchanger thermistor (Out)
: Outdoor thermistor

<Refrigerant pipe diameter>
AUHA12LAL / AOHA12LACL
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)
AUHA14LAL / AOHA14LACL
AUHA18LAL / AOHA18LACL
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.70 mm)
AUHA24LAL / AOHA24LACL
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)

Expansion
valve

2-Way

StrainerStrainer

<Refrigerant direction>

Cooling
Heating

valve

: Pipe thermistor
: Room thermistor

2007.07.27 5

CIRCUIT DIAGRAM

INDOOR UNIT: OUTDOOR UNIT

GRAY

GRAY

PIPE THERMISTOR

REACTOR

STEP MOTOR

STEP MOTOR

FAN MOTOR

F M

FLOAT SWITCH

M

M

1

1

2

2

3

3
4

4
5

5
6

6

7

7
8

8

1

1

2

2

3

3

4

4

5

5

1

1

2

2

3

3

4

4

5

5

YELLOW

BLACK

BLACK

RED

ORANGE

YELLOW

PINK

BLUE

RED

ORANGE

YELLOW

PINK

BLUE

BROWN

WHITE

BLACK

RED

1

1

2

2

CN9

3

3

1

1

2

2

3

3

CN12

4

4

5

5

CONTROLLER PCB ASSY

1
2
3
4
5

CN11

( MAIN PCB )

1
2
3
4
5

1 2 3 4 5 678
1 2 3 4 5 678

GRAY

GRAY

1 2 3 4 5 678

1

1

2

2

3

3

CN105

4

4

5

5

6

POWER SUPPLY PCB ASSY

6

E101

E102

GREEN

2

1

2

1

CN5

CN4 CN1

GRAY

GRAY

GRAY

GRAY

GRAY

GRAY

4 5 678

CN104

YELLOW

M

GREEN

YELLOW

BLACK

BLACK

2

1

2

1

CN8

CN13

CN14

1 2 3
1 2 3

GRAY

1 2 31 2 3

1 2 3

CN101

CN106

1
1 2

CN6

GRAY

W105

W102
W101

2

ROOM THERMISTOR

BROWN

1
2
3
4
5
676

1

RED

2

ORANGE

3

YELLOW

4

WHITE

5

BLUE
PURPLE

7

1
2
3
4
5
67676

1

1

2

2

3

3

4

4

5

5

DISCHARGE PIPE THERMISTOR

PIPE THERMISTOR

7

INDICATOR PCB ASSY

COMPRESSOR THERMISTOR

RED

1

1

WHITE

2
3

121

2
3

2

BLACK

TERMINAL

2 1

TO REMOTE CONTROL UNIT
( OPTION )

3

FRESH AIR MOTOR

M

( OPTION )

PIPE ( MID ) THERMISTOR

OUTDOOR THERMISTOR

WHITE

FUSE
250V 5A

GRAY

RED

WHITE

BLACK

1 2

TERMINAL

3

TERMINAL

BLACK

1 3 L

( N )

BLACK

BLACK

2

YELLOW

YELLOW

12

2

1

WHITE

RED

BLACK

BLACK
BROWN
BROWN

BROWN
BROWN

BLACK

BLACK

BLACK

BLACK

RED

WHITE

BLACK

FUSE 250V 20A

GREEN

N

W10
W11

1

1

2

2

CN71

3

3

4

4

121

CN73

2

CONTROLLER PCB ASSY

121

1
2
3

2

1
2
3

W4

W2

W1

W3

( MAIN PCB )

CN72

CN70

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

POWER SOURCE

DRAIN PUMP MOTOR

2007.10.24 6

OUTDOOR UNIT

DC FAN MOTOR

F M

TERMINAL BOARD

UL1015 AWG16

GREEN

UL1015 AWG16

GREEN

1

UL1015 AWG22 RED

2

UL1015 AWG22 BLACK

3

UL1015 AWG22 WHITE

4
5
6

UL1015 AWG22 YELLOW

7

UL1015 AWG22 BROWN

8

INDOOR PCB CIRCUIT DIAGRAM

CONTROL UNIT
AUHA12LAL : EZ-0062AHSE
AUHA14LAL : EZ-0062BHSE
AUHA18LAL : EZ-00601HSE
AUHA24LAL : EZ-00602HSE

3

2(N)

1

UL1015 AWG20 RED

UL1015 AWG20 WHITE

UL1015 AWG20 BLACK

W101 W102 W105

E101

E102

POWER SUPPLY PCB ASSEMBLY

K06AL-0601HSE-P0

CN105-6
CN105-5

CN105

CN105-4

B5P6-VH-B

CN105-3

WHITE

CN105-2
CN105-1

CN104

B08B-PASK-1

WHITE

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

POWER DRAIVE

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

CN8

B02B-XASK-1-A

WHITE

CN7

B02B-XAYK-1-A

YELLOW

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

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

CN2
B5P-SHF-1AA

WHITE

CN15
B06B-XASK-1-A

WHITE

CN5

B02B-XAKK-1-A

BLACK

CN13

B07B-PASK-1

WHITE

CONTROLLER PCB ASSEMBLY
AUHA12LAL : K06AK-060EHSE-C1
AUHA14LAL : K06AK-060FHSE-C1
AUHA18LAL : K06AK-0601HSE-C1
AUHA24LAL : K06AK-0602HSE-C1

CN14

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

CN3
B06B-PASK-1

WHITE

CN4
B08B-PASK-1

WHITE

B03B-XAKK-1-A

BLACK

CN6

B02B-PAMK-1

GREEN

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

BLACK
BLACK

GRAY
GRAY

BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
PURPLE

UL1430 AWG28

1

1

BROWN

2

RED

2

3

ORANGE

3

4

YELLOW

4

GREEN

5

5

6

BLUE

6

PURPLE

7

7

UL1430 AWG28

UL1430 AWG22 RED

UL1430 AWG22 WHITE

UL1430 AWG22 BLACK

M

FRESH AIR

( OPTION PARTS )

ROOM TEMP. THERMISTOR

PIPE TEMP. THERMISTOR ( MID )

INDICATOR PCB ASSEMBLY

K06AG-0600HSE-D0

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

CN201
S07B-PASK-2

WHITE

TERMINAL BOARD

3

1

2

DRAIN PUMP

M

BLACK

BLACK

CN106-1
CN106-2

CN103-1
CN103-2

CN102-1
CN102-2
CN102-3

CN106
B2P3-VH-B-E

BLUE

CN103
B2B-XH-AM

WHITE

CN102
B3B-XH-AM

WHITE

CN101

B03B-PASK-1

WHITE

CN101-1
CN101-2
CN101-3

DC SUPPLY

UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY

EMI FILTER
ZCAT1518-0730
2 TURN

2007.10.24 7

CN1-1
CN1-2
CN1-3

CN1
B03B-PASK-1

WHITE

CN10

B02B-PAOK-1

ORANGE

CN11

B05B-XASK-1-A

WHITE

CN12

B05B-XARK-1-A

CN9

B03B-XARK-1-A

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

UL1430 AWG26 RED
UL1430 AWG26 ORANGE
UL1430 AWG26 YELLOW
UL1430 AWG26 PINK
UL1430 AWG26 BLUE

UL1430 AWG26 RED
UL1430 AWG26 ORANGE
UL1430 AWG26 YELLOW
UL1430 AWG26 PINK
UL1430 AWG26 BLUE

RED
ORANGE
YELLOW
PINK
BLUE

RED
ORANGE
YELLOW
PINK
BLUE

M

M

REMOTE CONTROL UNIT

LOUVER

LOUVER

FLOAT SWITCH

CN9-1
CN9-2

RED

CN9-3

BLACK

BLACK

INDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
AUHA12LAL : K06AK-060EHSE-C1
AUHA14LAL : K06AK-060FHSE-C1
AUHA18LAL : K06AK-0601HSE-C1
AUHA24LAL : K06AK-0602HSE-C1

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

+

R26
10K

<1/10W>

<1/10W>

D4

1SS355

I C8

NJM7812

1 3

I

D1

1SS355

I C2

NJM7805

1

I

G

R32

R67 1.0K

<1/10W>

5V

R30
10K

<1/10W>

2

5V

12V

O

G

C2

2

+

10/
50V

5V

3

O

C3

0.01
<F>

R19

R22

1.0K <1/10W> x 4

R66

C35 C12 C11

1000P <R> x 3

R25

1.0K

<1/10W>

R31
10K

<1/10W>

5V

R34

R33

1.0K

10K

<1/10W>

R27

330

<1/10W>

1.0K <1/10W> X 3R63

C15

0.01
<F>

C17

0.01
<F>

R20
R21

R64

<1/10W>

1

C18

0.01
<B>

CUSTOM CODE

CUSTOM CODE

HEATING FAN DELAY

R65

C37

0.1
<F>

C14
1000P
<R>

5V

R29

R28

390

10K

<1/10W>

3

2

Q1
DTC124EKA

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

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

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

2007.07.13 8

5V

ROOM TEMP. TH.

R44
10K

<1/10W>

R54

15.4K
<1/10W>

R53
28K
<1/10W>

uLN2003ADR

1
2
3
4

5

6
7

1

2

1

2

1

2

C25

10/

50V

12V

R48

10K

<1/10W>

I C4

1

I

2

I
I

3
4

I

5

I
I

6

I

7

GND

CN8
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

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

R52
10K
<1/10W>

D3
D1FS4A

5V

1

2

3

4

5

6

1

2

3

4

5

6

7

1

2

3

1

2

3

4

5

1

2

3

4

5

FLASH
CN15
B06B-XASK-1-A

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 )

5V

R45
10K

<1/10W>

R46

C31

1.0K

0.01
<1/10W>

<F>

<1/10W>

JM6

3

1

X1

5.00MHz
<CSTS>

JM5
0R0

2

0R0

C27

0.1

<F>

R37
10K

<1/10W>

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

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

C29

R57

1.0K

R58

1.0K

R62

1.0K

R43
10K

<1/10W>

R59
10K
<1/10W>

R60

49.9K
<1/10W>

R61

49.9K
<1/10W>

5V

0.1
<F>

<1/10W>

C30

0.1
<1/10W>

<F>

C34

0.1
<1/10W>

<F>

NC

R41 1.0K

<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

12V

13.5V

R35

1.0K

<1/10W>

B Z

BZ1

PKM13EPYH-4000-A0

C19 - C22

0.1 <F> x 4

DTC124EKA

1

Q2

3

2

R36
0R0

INDOOOR UNIT
POWER SUPPLY PCB ASSEMBLY
K06AL-0601HSE-P0

L

I C26-14

F101

FSL 250 3.15

<EM>

FH102

VA101

470V

<TNR>

PFC5000-0702F
x 2

SA101

RA-362M

VA102

470V

<TNR>

W101

BLACK

W102

WHITE

FH101

LF101B

ELF17N015A

1

2

4

3

C104

0.47

<R46>

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

<1/4W>

R109

330

D1FL20U

+

T101

D105

C111
100/
25V

D108

D2FL20U

12

10

1000/

A

C113

25V

C114

0.01
<KH>

C115

0.01
<KH>

R108
100
<1/2W>

13.5V

R111

+

10K
<1/10W>

340V

CN107

B2P3-VH-B-Y

D101

1

D3SB60

3

2

4

C107

100/

450V

+

C118

0.01
<KH>

1 2

CAPACITOR

<ECKE>

<RS-2W>

R106

<RS-2W>

C109

220P/

2.0kV

R105

1.5

75

<1/10W>

Q101
2SC5354

2

3

2SC1815

R107

100

1

Q102

1

R104
330K
<2W>

2

3

D107

RD16M

<B1>

<ECQM>

C112

330/
25V

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

R115

6.8K

<1/4W>

R113

330

<1/10W>

340V

B5P6-VH-B

6

5

4

3

2

1

G5NB-1A

4

2

I C101

TLP621

<GB>

4

3

<AG601>

DC FAN MOTOR

K101

1

3

L102

BLm18

5V

<AG601>

1

2

L103

BLm18

13.5V

R112
330
<1/10W>

C116

0.01
<B>

CN102
B3B-XH-AM

3

2

1

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

120/0.1

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

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>

<1/4W>

5V

C121

0.1
<F>

R117

820

+

C117
100/
25V

AA

13.5V

C120

0.1
<F>

TLP621

4

3 2

2007.07.13 9

INDOOR UNIT
INDICATOR PCB ASSEMBLY
K06AG-0600HSE-D0

5V

TO CONTROLLER PCB ASSEMBLY ( MAIN PCB )

OPERATE

TIMER

FILTER CLEAN / FILTER SIGN

5V

REMOTE CONTROL SIGNAL

GRAND

MANUAL AUTO SWICTH

CN201

S07B-PASK-2 (LF) (SN)

R201 330 <1/4W>

R202 330 <1/4W>

1

2

R203 330 <1/4W>

3

4

5

6

7

2
4 3

EVQPAG04K

SW201

D201 SLR-325VC <RED>

D202 SLR-325MC <GREEN>

D203 SLR-325DC <ORANGE>

1

C202

+

10/
25V

C201

0.1
<F>

VCC
OUT
GND

2
1
3

2007.07.13 10

PHA201

P I C-37143TH5

OUTDOOR PCB CIRCUIT DIAGRAM

INVERTER ASSEMBLY
AOHA12LACL : EZ-0060RHUE
AOHA14LACL : EZ-0060SHUE
AOHA18LACL : EZ-0069HUE
AOHA24LACL : EZ-006AHUE

TO INDOOR UNIT

POWER SOURCE
AC220 - 240V
50Hz

SERIAL

L

N

1

2

3

4

5

TERMINAL

W103
UL1015 AWG20

BLACK

W100
UL1015 AWG20

WHITE

EMI FILTER
ATFC-25-15-12
2 TURN

F202

5A - 250V

W102
UL1015 AWG20 BLACK

W101

BLACK

UL1015
AWG14

DISCHARGE THERMISTOR

OUTDOOR THERMISTOR

ATFC-25-15-12

F201

20A - 250V

PIPE THERMISTOR

EMI FILTER

2 TURN

EMI FILTER

ATFC-25-15-12

EARTH

1 TURN

UL1015 AWG14

BLACK

UL1015 AWG14

WHITE

UL1015 AWG20

UL1015 AWG16

GREEN

BLACK

BLACK

BROWN

BROWN

BLACK

BLACK

REACTOR

B

W1
( A-1 )

B

W2
( B-1 )

B

W4

RED

( D-1 )

B

W3
( C-1 )

1

CN71

2

B04B-PASK-1

3

WHITE

4

1

CN70

2

B03B-PASK-1

WHITE

3

UL3271 AWG16

WHITE

UL3271 AWG14

RED

W10 W11

B B

CONTROLLER PCB ASSEMBLY
AOHA12LACL : K06AX-0602HUE-C1
AOHA14LACL : K06AX-0603HUE-C1
AOHA18LACL : K06AX-0600HUE-C1
AOHA24LACL : K06AX-0601HUE-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

2007.07.20 11

CN40

B6B-XARK-1-A

RED

1

2

3

4

5

6

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

EXPANSION VALVE MOTOR

M

CONTROLLER PCB ASSEMBLY
AOHA12LACL : K06AX-0602HUE-C1
AOHA14LACL : K06AX-0603HUE-C1
AOHA18LACL : K06AX-0600HUE-C1

3

2

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

PR / I C80-5

1

R157

4.7K

C138

2.2/
50V

DAN217U

+

4

1

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%

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

C137

R155

0.1

<F>

R156

100K

1%

x 2

ZXL / 37P

S I / 48P

C20

0.1
<F>

DTC143EUA

2

Q103

DTC143EUA

15V

C130

0.1

<F>

R160

R159

4.7K

R161

C129

1000P

<B>

R143

39K

1%

9

-

8

10

+

I C104-3
BA2902F

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

C500

0.1

<F>

R400 - R407

0.2 <1W> 1% x 8

10K 1% x 2

R127

R153

6

-

5

+

I C3-2
BA4560

R154
120K

Q102

5V

68K

1%

1%

7

5V

<1/10W>

R132

2.2K

2

3

1

3

2

I C105-1

BA2903F

R128

R142

1.2K
1%

R131

R162

68K

1%

+

-

10

1

120K 1%

1.5K

R137, R136 10K 1% x 2

R138 10K 1%

R140

10K

1%

R139

10K

1%

1

D109
RB751V

6

-

5

+

I C104-2
BA2902F

FULL WAVE RECTIFICATION

I C500

MB90462

17

P63

VCC

AVCC

P62

16

2

P00

P46

35

P12

P01
P17

3

P50

P13

P37

59

P36

58

P14

60

P40

P15

21

P16

MD2

34

P11

AVR

47

P26

P24

27

P02

P25

P03

28

P30

29

P04

P31

30

P05

P32

P06

31

P33

32

P07

P34

P10

33

P35

57

P60

C
P20

41

P61

42

P21

MD0

P22

MD1

43

P23

P44

44
10

P57

P43
P42

9

P56
P55

P41

8
7

P54

P45

RSTX

5

P52
P53

6

P27

AGND

P51

4

22

X0

GND

X1

23

GND

3

X500

8.00MHz

2

<CSTLS>

CURRENT DETECTION

R129
100K
1%

R130

220

1%

3

1

5V

R163
10K
1%

ZXH / 36P

6

-

5

+

I C105-2
BA2903F

7

D108
RB751V

56
11
25
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

C502

<F>

R126
100K

1%

I C103-1
BA4560

2

-

3

+

2

-

3

+

I C3-1
BA4560

C117

1.0
<B>

ZWRO-CROSS
DETECTION

7

( HIGH-SPEED )

R135

10K

1%

R141

10K

1%

R500

10K

0.1

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

C139

I C103-2

7

-

BA4560

+

R122

R123

4.7K

1% x 2

R158 3.9K

3

1 12

D115

DAN217U

R118

10K

1%

R119

10K

1%

R133

10K

1%

1

-

14

+

5V

R503
10K

SERVICE

JM500

TAUX / 25P

E2SK / 40P

ZXH / 36P
ZXL / 37P

E2DI / 39P

EPV1 / 45P

PFC-TRIP / 46P

PFCEN / 14P

TMODE / 18P

MD1 / 64P
MD2 / 63P
TCK / 62P

TRXD / 61P

MDO / 1P

/ TRES / 19P

S I / 48P

R561

1.0K

C561

0.01
<F>

5V-2

+

2.2/
50V

I C102-2
BA2901F

3

2

D114

DAN217U

C111

4700P

<B>

R164

22K

C125

0.1

<F>

15V

-12V

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

W / 54P

Z / 55P

R560
100K

GT30J122

R121
100K

1%

7

+

6

-

C113
2700P
<B>

5V-2

R116
15K
1%

R117
22K
1%

C115

0.1
<F>
C116

0.1
<F>

AOHA24LACL : K06AX-0601HUE-C1

POWER SOURCE
AC230V
50Hz

B2P3-VH-B-C

EARTH

GREEN

SERIAL

CN30

RED

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

2007.07.20 12

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

<F>

0.1

13

GND4

1%

TEMPERATURE SENSING CIRCUIT

R75
10K

R76
10K

JM31

15V

Q801
DTA143EUA

1

2

3

5V

2

1

D600
DAN217U

3

R804

EXPANSION VALVE CONTROL

R40 - R43

1.5K <1/10W> x 4

EPV3 / 44P
EPV4 / 43P
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

1.0K

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

+

-

7

R80

2.2K

12V

C6

3.3

K33

G5NB-1A

2

JM30

5V

1

C13

0.1
<F>

LED INDICATOR

16
15
14
13

12
11

10

9

R18
10K

R19

1.0K

I C80

uLN2003

1C

2C
3C
4C

5C

6C
7C
COM

RUSH CURRENT
PREVENTION

ZPR0RCH400

12V

K1 DW12D1

<1/10W>

R149

1B

2B
3B

4B
5B

6B

7B

8B
E

Q100

5V

L130
ELC0607RA

C140

0.1
<F>

1

C142

0.1

<F>

C126

+

2.2/
50V

R168

22K

COMP

RESET

5V

2

VDD

1

OUTNCGND

I C560

S80842

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%

5

2

+

4

­I C102-1
BA2901F

OVER CURRENT
DETECTION

R165

22K

C127

2.2/

50V

C131

<F>

3

4

1

5V

R124

4.7K

13

R112
10K
1%

C110

+

0.1

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

2

3

1 2
5
7

3

0.1

<F>

LLQ2W661KEUBGC

660uF / 450V x 3

C103

0.1
<HCP>

GATE DRIVE

<1/4W>

<1/4W>

R109 22

R108 47

GATIN

VCC

S I

6

SO

D I

4

NC

GND

C105

I C100

TA8316

TC 74HC00AF

1
2
3
4
5
6
7

I C101

1
2
3
4
5
6
7

R101

4.7K

I C102-3
BA2901F

OVER VOLTAGE
DETECTION

14

14

13

13

12

12

11

11

10

10

9
8

C141
1000P
<B>

14

0.1
<F>

9
8

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

C106

R113

4.7K
1%

9

+

8

­C136

0.01
<F>

I C102
BYPASS CAPACITOR

3

1 2

AVERAGE OF INPUT VOLTAGE RECTIFICATION

C134

+

0.1
<F>

I C570

M93C46

CS1

2

SK

3

D I

6

NC

10K x 4

PFC-TRIP / 46P

R167

0.1
10K

<F>

5V-2

R114

15K

1%

INPUT CURRENT ( RSM ) AVERAGE DETECTION

D112
DAN217U

5V

D106

DAN217U

231

C108

2.2/

50V

R111

10K

ACV / 7P

3

1 2

5V

+

C109

+

2.2/
50V

D113
DAN217U

5V

8

VCC

C570

4

DO

0.1

7

NC

<F>

GND

5

R570

10K

5V

MODEL SWITCHING

JM101
JM102
JM103
JM100 TEST

EXAMPLE OF AOH12LACL

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

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

5V

1

2200P <B> x 6

PEAKLOAD CURRENT DETECTION

D302 RB751V

C311
1000P
<B>

R327

22K

R337
100K

I C302-1

BA2903F

1

5V 5V

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 is R211 - R216

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

Troubleshooting at the indoor unit display
(Troubleshooting at the display is available
either on the wired or wireless remote control.)

FILTER LAMP
(ORANGE)

TIMER LAMP
(GREEN)

The OPERATION, TIMER and FILTER lamp operate as follows table
according to the error contents.

Error contents

Indoor signal error

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

: 0.5s ON/0.5s OFF (Flash)

OPERATION

lamp (Red)

(2 times)

(2 times)

(2 times)

(2 times)

(3 times)

(3 times)

(3 times)

(3 times)

(3 times)

(3 times)

(3 times)

(4 times)

(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)

: OFF

OPERATION LAMP
(RED)

MANUAL AUTO

TIMER lamp

(Green)

(8 times)

(2 times)

(3 times)

(4 times)

(6 times)

(2 times)

(3 times)

(4 times)

(8 times)

(2 times)

(4 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)

FILTER lamp

(Orange)

(2 times)

(3 times)

(4 times)

Troubleshooting at the wired remote control LCD
Self diagnosis

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

Unit number

Error code

SUMOTUWETH FR

Error code Error contents

01
13
26

Indoor signal error

27

00

02

04

28

09

0C

06

0A

15

1d

1E

29

20

2A

17

18

1A

1b

1F

1c

12

0F

24

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

2c

16

2b

19

25

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

SA

Ex. Self-diagnosis

132007.10.24

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 0.1 sec

on 2.0 sec / off 5.0 sec

on 5.0 sec / off 2.0 sec

2007.07.31 14

PARTS

DECORATION PANEL
UTG-UFGA-W

1

10

7 10

7

5

12

10

10

11

2

3

4

8

9

Ref. Description

Part number

1 Decoration Panel

without Insulations
2 Display Panel 9375529024
3 Receiver Window 9375547011
4 Intake Grille
5 Long Life Filter
7 Flap Total Assy 9377760012
8 Hook Bracket
9 Grille Hook

10 Panel Cover without

Insulations

11 Indicator PCB Assy

12 Connector Cover

152007.10.25

9375525019

9375531010
9375533014

9375546014
9375532017
9375530013

9707371017
9375549015

DECORATION PANEL
UTG-UFGA-W
Flap total assy
Motor holder assy

17

(connector : white)

(connector : red)

20

19

21

Ref. Description

17 Gear A 9375536015
19 Motor Holder 9375535018
20 Step Motor

(white connector)

21 Step Motor

(red connector)

Part number

9900139070

9900139087

162007.10.25

INDOOR UNIT

35

33

37

71

72

43

34

38

Ref. Description

32 Cabinet A Assy 9375492014
33 Cabinet B 9375494018
34 Bell Mouse 9375503017
35 Drain Pan Sub Assy 9377765024
36 Wire Cover 9375516017
37 Pipe Cover 9375515010
38 Hook R 9375504014
39 Hook L 9375505011
43 Drain Cap 9375502010
71 Remote Control 9315885012
72 Remote Control Holder 9305642014

AUHA12LAL
AUHA14LAL
AUHA18LAL

32

39

36

Part number

AUHA24LAL

9375492014
9375494018
9375503017
9377765017
9375516017
9375515010
9375504014
9375505011
9375502010
9315885012
9305642014

172007.10.25

INDOOR UNIT

42

47

41

42

40

49

46

56

53

45

44

Ref. Description

40 2 Stage Turbo Fan Assy 9375480011
41 Evaporator Assy 9372585085
42 Evaporator Holder 9375508012
44 Pump Assy 9900360047 9900360047
45 Drain Pump Holder B 9375518011 9375518011
46 Fan Motor 9602436019
47 Fan Motor Holder 9375552015
49 Separate Wall 9375506018
50 Float Switch 9900361037
52 Drain Hose 9375519018
53 Drain Port 9375520014
55 Distributor Assy 9371325316
56 Coupling Pipe Assy 9373038412

52

50

55

Part number

AUHA12LAL AUHA24LAL

AUHA14LAL
AUHA18LAL

9375480011
9372585054
9375508012

9602436019
9375552015
9375506018
9900361037
9375519018
9375520014
9371325316
9373038368

9375480011
9372585061
9375507015
9900360047
9375518011
9602436019
9375552015
9375506018
9900361037
9375519018
9375520014
9371325330
9373038375

2007.07.31

18

INDOOR UNIT

CONTROL UNIT

61

62

Ref. Description

64

65

AUHA14LALAUHA12LAL

66

63

Part number

AUHA24LALAUHA18LAL

2007.07.31

61 Control Box Cover 9375512019

62 Control Box A 9375511012

63 Controller PCB Assy 9707393156

64 Puwer Supply PCB Assy 9707398021

65 Terminal 9306489045

66 Terminal 9703345012

-- Pipe Thermistor 9703297014

-- Room Thermistor 9703299223

9375512019

9375511012

9707393163

9707398021

9306489045

9703345012

9703297014

9703299223

19

9375512019

9375511012

9707393026

9707398021

9306489045

9703345012

9703297014

9703299223

9375512019

9375511012

9707393033

9707398021

9306489045

9703345012

9703297014

9703299223

PARTS

OUTDOOR UNIT

7

9

1

6

3

5

4

8

2

Part number

Ref. Description

AOHA12LACL
AOHA14LACL
AOHA18LACL

AOHA24LACL

1 Top Panel Assy

2 Cover (Switch) Assy 9309237032

3 Cabinet Assy

4 Blow Down Grille

5 Cabinet Right Assy

6 Fan Ring

7 Grip

8 Emblem

9 Protective Net

2007.07.31 20

9309230057

9314809040

9308884015

9309236011

9308885012

9308880017

9315211019

9315319012

9309230057

9309237032

9314809019

9308884015

9309236028

9308885012

9308880017

9315211019

9315033017

OUTDOOR UNIT

17

16

34

18

13

40

35

38

14

19

37

41

20

Ref. Description

AOHA12, 14, 18LACL

10 4-Way Valve
11 Pulse Motor Valve Assy
13 Condenser Assy
14 Thermistor Spring A
15 Thermistor Spring
16 Propeller Fan
17 Nut
18 Motor Bracket
19 Separator Assy
20 Base Assy
21 3-Way Valve Assy
22 2-Way Valve Assy
32 Expansion Valve Coil
34 Fan Motor
35 Compressor Assy

Thermistor Assy37

38

Heat Exchanger Thermistor

39 Solenoid Coil

9900047016
9311641018
9311382027
313728262708
9300089012
9309909014
9304902003
9308872012
9312971015
9308869081
9315159014
9313064013
9900057039
9602133017
9313763039
9900148027
9900403010
9970033018

40 Compressor Thermistor 9900156046

Reactor Assy

41

9900354015
Outdoor Thermistor-- 9900210045
Condenser Assy B-- --- 9315303011

Part number

AOHA24LACL

9900163013
9315310019
9315302014
313728262708
9357804002
9309909014
9304902003
9308872029
9312971015
9315296030
9315414014
9313062019
9900057039
9602451012
9315297037
9900148027
9900403010
9970055010
9900156046
9900354015
9900210045

15

39

37

10

11

32

22

21

2007.10.24 21

OUTDOOR UNIT

26

43

42

29

30

28

27

Ref. Description

AOHA12LACL

26 Inverter PCB Assy
27 Fuse Holder 0501454012
28 Fuse Holder 0501456016
29 Fuse
30 Fuse 0600372163

Terminal42 9703874031
Inverter Case Assy43 9315690012

9707427035
0501454012
0501456016
0600382018
0600372163
9703874031

AOHA14LACL

9707427042
0501454012
0501456016
0600382018
0600372163
9703874031

Part number

AOHA18LACL

9707427011

0600382018

AOHA24LACL

9707427028
0501454012
0501456016
0600382018
0600372163
9703874031
931569001293156900129315690012

2007.07.31 22

STANDARD ACCESSORIES

INDOOR UNIT

Name and Shape

Coupler heat
insulation

Special nut A
(large flange)

Special nut B
(small flange)

Template
(Carton top)

Remote
control

Remote
control
holder

Q'ty

Application

For indoor side pipe joint

2

For installing indoor unit

4

For installing indoor unit

4

For cealing openings cutting

1

Also used as packing

For air conditioner operation

1

For installing remote control
on the wall

1

OPTIONAL PARTS

Name and Shape

Wired remote
control

UTB-* YD

Air outlet
shutter plate

UTR-YDZA

OUTDOOR UNIT

Name and Shape

Drain pipe

Adapter assy

Summary

Unit control is performed by
wired remote control.

Install the plate at outlet
when carrying out 3-way
direction operation.

Q'ty

Application

For drain piping work.

1

9303029015

To connect 12,000 BTU model

1

9370244007

Battery

Tapping screw

DECORATION PANEL

Name and Shape

Connector cover

Screw

Screw

For remote control

2

For mounting the remote
control holder

2

Q'ty

Application

For covering connector

4

For mounting decoration panel

4

For mounting connector cover

1

232007.10.24

0709G3265