General ABHF18LA, ABHF18LAT, AOHA18LALL, ABHF24LA, ABHF24LAT Service Manual

SPLIT TYPE ROOM AIR CONDITIONER

FLOOR CONSOLE / UNDER CEILING DUAL TYPE

Indoor unit Outdoor unit

ABHF18LAT ABHF18LAT ABHF24LAT ABHF24LAT

AOHA18LACL AOHA18LALL AOHA24LACL AOHA24LALL

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 16 26 29

SPECIFICATIONS

ELECTRICAL DATA

TYPE

Cool & heat inverter

INDOOR UNIT ABHF18LAT

OUTDOOR UNIT AOHA18LA_L

COOLING CAPACITY 5.20 kW

HEATING CAPACITY

POWER SOURCE

FREQUENCY

RUNNING CURRENT

INPUT WATTS

E.E.R.

COP

MOISTURE REMOVAL

AIR CIRCULATION HIGH

COOLING

HEATING

COOLING 1.62 kW

HEATING

COOLING

HEATING 3.61 kW/kW

6.00 kW

230 V

50 Hz

7.1 A

7.3 A

1.66 kW

3.21 kW/kW

2.0 L/hr

780 m3/hr

FAN MOTOR

POWER SOURCE 230 V

High speed 1,040 / 1,040 r.p.m.

ABHF24LAT

AOHA24LA_L

7.10 kW

8.00 kW

230 V

50 Hz

9.7 A

2.21 kW

3.21 kW/kW

3.61 kW/kW

2.7 L/hr

980 m3/hr

230 V

1,330 / 1,300 r.p.m.

INDOOR UNIT ( cool / heat )

OUTDOOR UNIT

Middle

Low

Quiet 740 / 740 r.p.m.

950 / 950 r.p.m.

800 / 800 r.p.m.

860 / 820 r.p.m.

NOISE LEVEL

INDOOR UNIT ( cool / heat )

OUTDOOR UNIT ( cool / heat )

43 dB / 43 dB

50 dB / 50 dB

COMPRESSOR AND REFRIGERANT

TYPE

DISCRIMINATION DA130A1F-25NA

WEIGHT (with oil)

PRECHARGED REFRIGERANT

REFRIGERANT TYPE

Pipe length

FULL CHARGE

15 m

20 m

Hermetic type, 4 pole, 3 phase,

DC inverter motor, Rotary

9.6 kg 10.0 kg

1,250 g

R410A R410A

1,250 g

1,350 g

1,150 / 1,150 r.p.m.

1,000 / 1,000 r.p.m.

780 / 780 r.p.m.

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

48 dB / 48 dB

52 dB / 53 dB

DA150A1F-20NA

1,700 g

1,800 g

ADDITIONAL REFRIGERANT

DIMENSIONS

INDOOR UNIT

OUTDOOR UNIT

H x W x D

578 x 790 x 300 mm

WEIGHT

INDOOR UNIT

OUTDOOR UNIT

2008.07.30 1

Gross / Net

20 g/m

199 x 990 x 655 mm

36 kg / 27 kg

44 kg / 40 kg

20 g/m

578 x 790 x 315 mm

48 kg / 44 kg

OUTLINE AND DIMENSIONS

INDOOR UNIT

Unit : mm

655

(rear view)

990

500

199

200175

530

900

2006.10.16 2

OUTDOOR UNIT AOHA18LA_L

Unit : mm

Top view

790

66

300

578

10

347

Front view

Side view

540

Air flow

320

Drain pipe

Bottom view

4- 10mm hole

mounting place ( 20)

2008.07.30 3

184

121

177

189

OUTDOOR UNIT AOHA24LA_L

Unit : mm

Top view

31566790

578

10

347

Front view

Side view

540

Air flow

320

184

121

Drain pipe

Bottom view

4- 10mm hole

mounting place ( 20)

2008.07.30 4

177

189

REFRIGERANT SYSTEM DIAGRAM

OUTDOOR UNIT INDOOR UNIT

Muffler

3-Way valve

Muffler

4-Way valve

Heat exchanger

Compressor

Expansion valve

: THERMISTOR (COMPRESSOR) : THERMISTOR (DISCHARGE) : THERMISTOR (HEAT EXCHANGER MED) : THERMISTOR (HEAT EXCHANGER OUT) : THERMISTOR (OUTDOOR)

Accumulator

StrainerStrainer

Heat exchanger

2-Way valve

: THERMISTOR (PIPE) : THERMISTOR (ROOM)

Refrigerant pipe diameter ABHF18LAT / AOHA18LA_L Liquid : 1/4" (6.35 mm) Gas : 1/2" (12.70 mm) ABHF24LAT / AOHA24LA_L Liquid : 1/4" (6.35 mm) Gas : 5/8" (15.88 mm)

2008.07.30

Refrigerant direction

Cool Heat

5

CIRCUIT DIAGRAM

INDOOR UNIT OUTDOOR UNIT

STEP MOTOR

FAN MOTOR

F M

GREEN /

YELLOW

WHITE

REACTOR

YELLOW

12

2

1

FUSE 250V 20A

BLACK

N

WHITE

RED

BLACK

BLACK BROWN BROWN

BROWN BROWN

BLACK

WHITE

BLACK

RED

GREEN

W10 W11

1

2

CN71

3

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

2

BLACK

3

WHITE

4

YELLOW

5

BLUE

6

RED

1

BROWN

2

BLUE

3

ORANGE

4

YELLOW

5

WHITE

6

BLACK

1

2

BLACK

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

1 1 2

CN5

BLACK BLACK

2

1 CN7

2

1

2

CN8

GRAY

1

GRAY

2

BLACK

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( ROOM TEMP. )

THERMISTOR ( PIPE TEMP . )

1

2

CN3

3

BROWN

1

2

ORANGE

3

M

1

2

3

4

5

6

7

8

3

4

5

1

1 2

2

3

4

4 5

5

BROWN

YELLOW

WHITE BLACK

YELLOW

WHITE

BROWN

ORANGE

YELLOW

WHITE

RED

1 2 3 4 5 6

1

2 3 4 5

1

2 3 4 5

1 2 3 4 5 6

E101

1 2 3

CN12

4 5

1

CONTROLLER

2 3 4 5

1 2 3

1 2

CN105

PCB ASSY

CN11

( MAIN PCB )

CN9

CN10

CN4

3 4 5 6 7 8

1 2

3 4 5 6 7 8

1 2

GRAY

4 567

3

1 2

4 567

3

1 2

F101

FUSE

GRAY

CN104

3.15A 250V

E102

1 2

GRAY

8 8

POWER

SUPPLY

PCB ASSY

CN103

1 2

3

CN1

2 3

1

2 3

1

GRAY

2 3

1

2 3

1

CN101

W105 W102 W101

CN108CN102

1 2

1

RED

1

ORANGE

2

YELLOW

3

WHITE

4

BLUE

5

PURPLE

6

GRAY

7

RED

1

WHITE

2

BLACK

CN14

3

1

2

3

4

5

6

7

8

TERMINAL

1 2

CN6 CN13

1 2 3

TO REMOTE CONTROL UNIT

( OPTION )

GRAY

CN106

1 2

RED WHITE BLACK

1

TERMINAL

2

3

INDICATOR PCB ASSY

THERMISTOR ( DISCHARGE PIPE TEMP. )

THERMISTOR ( COMPRESSOR TEMP. )

THERMISTOR ( PIPE - MID. TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

FUSE 250V 5A

BLACK

TERMINAL

2

1 3 L

( N )

POWER SOURCE

GREEN

2008.06.26 6

OUTDOOR UNIT

DC FAN MOTOR

F M

INDOOR PCB CIRCUIT DIAGRAM

CONTROL UNIT ABHF18LAT : EZ-0070MHSE ABHF24LAT : EZ-0070PHSE

UL1015 AWG20 RED

3

UL1015 AWG20 WHITE

2(N)

UL1015 AWG20 BLACK

1

TERMINAL BOARD

W101

W102 W105

UL1015 AWG16

GREEN

E101

UL1015 AWG16

GREEN

E102

POWER SUPPLY PCB ASSEMBL

K06AL-0600HSE-P0

B5P6-VH-B

1 2 3 4 5 6 7 8

EMI FILTER

ZCAT2132-1130

1 T

B2P3-VH-B-E

DRAIN PUMP

B2B-XH-AM

E I B OUT

B3B-XH-AM

E I B I N

CN105

BLACK WHITE

YELLOW

BROWN

CN106

CN103

CN102

CN105-6

RED

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

CN106-1 CN106-2

CN103-1 CN103-2

CN102-1 CN102-2 CN102-3

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

CN101-1 CN101-2 CN101-3

POWER DRIVE

CN104 B08B-PASK-1

GRAY GRAY GRAY GRAY GRAY GRAY GRAY GRAY

DC SUPPLY CN101 B03B-PASK-1

EMI FILTER

ZCAT1518-0730

1 T

B06B-XASK-1-A

FLASH

B06B-PASK-1

SP PCB

B02B-PAOK-1

HEATER

B08B-PASK-1

B03B-PASK-1

GRAY GRAY GRAY

B03B-XARK-1-A

FLOAT SWITCH

CN15

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

CONTROLLER PCB ASSEMBLY

( MAIN PCB ) ABHF18LAT : K06AK-0705HSE-C1 ABHF24LAT : K06AK-0706HSE-C1

CN3

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

CN10

CN10-1 CN10-2

CN4

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

CN1

CN1-1 CN1-2 CN1-3

CN9

CN9-1 CN9-2 CN9-3

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

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

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

CN12-1 CN12-2 CN12-3 CN12-4 CN12-5

CN8 B2B-XASK-1-A

BLACK BLACK

CN7 B2B-XAYK-1-A

CN5 B2B-XAKK-1-A

GRAY GRAY

UL1430 AWG24 x 2

CN13 B07B-PASK-1

1

RED

2

ORANGE

3

YELLOW

4

WHITE

5

BLUE

6

PURPLE

7

GRAY

8

CN14 B3B-XAKK-1-A

UL1430 AWG22 RED

UL1430 AWG22 WHITE

UL1430 AWG22 BLACK

CN6 B02B-PAMK-1

FRESH AIR

CN2 B5P-SHF-1AA

TEST

CN11 B05B-XASK-1-A

BROWN RED ORANGE YELLOW WHITE

CN12 B05B-XARK-1-A

THERMISTOR ( ROOM TEMP. )

THERMISTOR ( PIPE - ENTRANCE TEMP. )

BLACK BLACK

THERMISTOR ( PIPE - MID. TEMP. )

INDICATOR PCB ASSEMBLY

K04EI-0800HSE-D0

CN201

S08B-PASK-2

1 2 3 4 5 6 7 8

EARTH

CN201-1 CN201-2 CN201-3 CN201-4 CN201-5 CN201-6 CN201-7 CN201-8

3 2 1

TERMINAL BOARD

REMOTE CONTROL UNIT

LOUVER ( UP / DOWN )

M

LOUVER ( RIGHT / LEFT )

M

2008.07.30 7

INDOOR UNIT CONTROLLER PCB ASSEMBLY ( MAIN PCB ) ABHF18LAT : K06AK-0705HSE-C1 ABHF24LAT : K06AK-0706HSE-C1

D4

1SS355

I C8

O

I

G

2

D1

I C2

3

O

I

G

2

1.0K <1/10W> x 4

5V

R19

R22

12V

C3

0.01 <F>

CUSTOM CODE

C2

+

10/

CUSTOM CODE

50V

HEATING FAN DELAY

5V

C32

+

100/

6.3V

R20 R21

C4 - C7

0.01 <F> x 4

CN1

B03B-PASK-1

DC SUPLLY

CN2

B5P-SHF-1AA

TEST

13.5V NJM7812

1

2

3

5V

50V

1 3

C1

+

10/

1SS355

NJM7805

1

R15 - R18

5V

10K <1/10W> x 4

1

2

3

4

5

5V

10K <1/10W> x 3

13.5V

R23

<1/10W>

R26 10K

R32

R67 1.0K

<1/10W>

5V

1.0K <1/10W> X 3R63 R64

C35 C12 C11

1000P <R> x 3

R25

1.0K

<1/10W>

R65

C14 1000P <R>

C37

0.1 <F>

CN3

B06B-PASK-1

SP PCB

1

2

3

4

5

6

R24

R66

5V

R29

R28

390

10K

<1/10W>

R34

1.0K

C15

0.01 <F>

C17

0.01 <F>

<1/10W>

1

Q1 DTC124EKA

C18

0.01 <B>

3

C16

0.01 <F>

2

CN4

B08B-PASK-1

POWER DRIVE

CN6

B02B-PAMK-1

FRESH AIR

CN10

B02B-PAOK-1

HEATER

1

2

3

4

5

6

7

8

13.5V

1

2

1

2

13.5V

R30 10K

<1/10W>

5V

<1/10W>

R33 10K

R27

330

<1/10W>

R31 10K

5V

<1/10W>

2008.07.30 8

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

35 10 24 15

P34

16

P35 P36

17 57

P40

58

P41

59

P42 P43

60

P44

61

62

P45

63

P46

64

P47 P50

1 2

P51

3

P52

4

P53

5

P54

6

P55 P56

7

8

P57

53

P64

54

P65

55

P66

56

P67

47

P70

48

P71

49

P72 P73

50 51

P74

52

P75

3

2

1

X1

5.00MHz <CSTS>

C19 - C22

0.1 <F> x 4

JM5 0R0

JM6 0R0

C31

0.01 <F>

<1/10W>

R46

1.0K

<1/10W>

C27

0.1

<F>

R37 10K

<1/10W>

R45 10K

<1/10W>

5V

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

DTC124EKA

1

5V

ROOM TEMP. TH.

1

CN8

2

C25

50V

12V

R48 10K

1 2 3 4

5

6 7

10/

I C4

1

2

1

2

5V

+

GND

DAN217U

1 2

3

13.5V

9

SK O1

16 15

O2

14

O3 O4

13

12

O5

11

O6

10

O7

8

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

R52 10K <1/10W>

C26

0.01 <F>

D2

12V

D3 D1FS4A

FLASH CN15

5V

B06B-XASK-1-A

1

2

3

4

5

6

INDICATOR CN13 B07B-PASK-1

1

2

3

4

5

6

7

CN14 B03B-XAKK-1-A REMOTE CONTROL UNIT

1

2

3

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

1

2

3

4

5

1

2

3

4

5

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

C29

0.1 <F>

C30

0.1 <F>

C34

0.1 <F>

NC

R57

1.0K

<1/10W>

R58

1.0K

<1/10W>

R62

1.0K

<1/10W>

R41 1.0K

<1/10W>

R43 10K

<1/10W>

R59 10K <1/10W>

R60

49.9K <1/10W>

R61

49.9K <1/10W>

5V

<1/10W>

R44 10K

5V

C23

8

C13

4

0.1

7 5

<F>

0.01 <F>

5V

R55 10K <1/10W>

Q2

3

2

R36 0R0

PKM13EPYH-4000-A0

C24 1000P <R>

7

BA10393F

1

BA10393F

R47 390

<1/10W>

R35

1.0K

<1/10W>

B Z

BZ1

R42

47

<1/10W>

6

-

5

+

I C6-2

2

-

3

+

I C6-1

13.5V

12V

R54

15.4K <1/10W>

R53 28K <1/10W>

<1/10W>

uLN2003ADR

1 2 3 4

5

6 7

I I I

I I I I

W101

BLACK

W102

WHITE

L

I C26-14

F101

BET 3.15A - 250V

FH101

FH102

VA101

470V

<TNR>

RA-362M

PFC5000-0702F x 2

VA102

SA101

470V

<TNR>

INDOOR UNIT POWER SUPPLY PCB ASSEMBLY K06AL-0600HSE-P0

LF101

ELF17N015A

1

2

C104

0.47

<R46>

4

3

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

R109

330

<1/4W>

T101

D105

D1FL20U

C111 100/

+

25V

D108

D2FL20U

12

C113

10

1000/

A

25V

C114

0.01 <KH>

C115

0.01 <KH>

R108 100 <1/2W>

13.5V

R111

+

10K <1/10W>

340V

C109

220P/

2.0kV

R105

1.5

75

Q101 2SC5354

2

3

2SC1815

R107

100

<1/10W>

1

Q102

1

2

3

D107

RD16M

<B1>

C112

330/

25V

D101

1

D3SB60

3

2

4

C107

100/

450V

+

<ECKE>

<RS-2W>

R106

<RS-2W>

C118

0.01 <KH>

I C26-10

2008.04.14 9

E101

N

GREEN

POWER DRIVE

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

CN104

B08B-PASK-1

CN101

B03B-PASK-1

CN105

<1/4W>

<1/10W>

I C101

<GB>

L103

BLm18

<AG601>

R115

6.8K

R113

330

5V

340V

L102

BLm18

<AG601>

1

2

B5P6-VH-B

6

5

4

3

2

1

G5NB-1A

4

2

R112 330 <1/10W>

DC FAN MOTOR

K101

1

3

2

1

C116

0.01 <B>

13.5V

CN102 B3B-XH-AM

15V

<GB>

15V

1

A

R114

4.7K <1/10W>

4

3

TLP621

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>

R117

<1/4W>

5V

C121

0.1 <F>

820

+

C117 100/ 25V

AA

13.5V

C120

0.1 <F>

I C103

TLP621

4

3 2

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 120/0.2

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