AH-M098 - Sharp Air Conditioner Service Manual (repair manual)

1

Page

SPECIAFICATIONS ............................................................................................................................................................. 2
EXTERNAL DIMENSIONS ................................................................................................................................................... 3
WIRING DIAGRAMS ............................................................................................................................................................ 4
ELECTRICAL PARTS .......................................................................................................................................................... 5
MICROCOMPUTER CONTROL SYSTEM .......................................................................................................................... 6
TROUBLE SHOOTING OF CONTROL CIRCUIT .............................................................................................................. 14
REFRIGERATON CYCLE .................................................................................................................................................. 19
DISASSEMBLING PROCEDURE ...................................................................................................................................... 20
TROUBLESHOOTING OF THE CONTROL CIRCUIT ......................................................................................................  21
REPLACEMENT PARTS LIST ........................................................................................................................................... 25

In the interests of user-safety (Required by safety regulations in some
countries)  the set should be restored to its original condition and only
parts identical to those specified should be used.

2

ITEMS

INDOOR UNIT

OUTDOOR UNIT

AH-M098E

AU-M188E

Cooling capacity

kW

[1Unit] 2.5,  [2Unit] 2.4 x 2

Moisture removal

Liters/h

1.2 x 2

   Electrical data

Phase

-

Single

Rated frequency

Hz

50

Rated voltage range

V

198 to 264

Rated voltage

V

220 - 240

Rated current

A

[1Unit] 4.1 - 4.1,  [2Unit] 7.6 - 7.5

Rated input

W

[1Unit] 890 - 950, [2Unit] 1650 - 1760

Power factor

%

[1Unit]   99 - 97, [2Unit] 99 - 98

Compressor

Type

Hermetically sealed rotary type

Model

2PS154D3AA01

Oil charge

270cc (SUNISO 4GDID)

Refrigerant system

Evaporator

Louver fin and Grooved tube type(7mm tube)

Condenser

Fin and Grooved tube type

Control

Capillary tube

Refrigerant volume

750 g  x  2

Capillary tube size

Outer dia. mm

-

2.7

Inner dia. mm

-

1.5

Lenght

mm

-

700

Q’ty

-

2

Noise level

High

dB(A)

37

53 - 54

Med.

dB(A)

33

-

Low

dB(A)

29

-

Fan system

Drive

Direct drive

Direct drive

Air flow quantity High

m3(cft)/min.

6.8

42

Med.

m3(cft)/min.

5.7

-

Low

m3(cft)/min.

4.8

-

Fan

Cross flow fan

Propeller fan

Connections

Refrigerant coupling

 Flare type

Refrigerant tube size Gas, Liquid

3/8", 1/4"

Refrigerant pipe sets No.

AZ-24T5F; 5m(16.4ft), AZ-24T7E;7m(23ft)

Drain piping mm(Inches)

O.D ø 18(45/64)

Others

Safety device

Compressor: Overload protector(MRA98963-9201)

Fan motors: Thermal fuse

Thermal Protector

Fuse, Micro computer control

Air filters

Polypropylene net (Washable)

Net dimensions

Width

mm(Inches)

790(31-3/32)

890(35-1/16)

Height

mm(Inches)

270(10-5/8)

637(25-5/64)

Depth

mm(Inches)

150(5-15/16)

297(11-11/16)

Net weight

kg

7

56

Note: The condition of (    ) marked item are ‘IEC 335-1’.

3

27

275

617

20

70

135

210

275

637

945

297

890

260

55

590

150

270

790

150

1800

Remote controll

58

19.5

182

Length unit (mm)

4

1

1

N

N

BK

INTERNAL

THERMOSTAT

FAN 

MOTOR

FAN CAPACITOR

S

A

C

M

BK

BL

R

BK

C

RE

RE

GR

YE

RELAY ( A )    

BK

BK

6

4

2

3

1

8

5

7

RELAY

(B)

RE

RE

BL

BK

BK

RE

OR

G(Y)

OR

BR

BR

RE

BL

YE
BK

BR
RE

OR

WH

GR

G(Y)

: BLUE
: YELLOW
: BLACK
: BROWN
: RED
: OR
: WHITE
: GRAY
: GREEN-
  YELLOW

WH

OR

RUNNING CAPACITOR (B)

370V 25

µ

F

R

COM-

PRESSOR

MOTOR

S

G(Y)

SURGE

ABSORBER

(A)

SURGE

ABSORBER

(B)

TERMINAL

BOARD

OUTDOOR UNIT

OVERLOARD

RELAY

C

WH

RUNNING CAPACITOR

(A)

COMPRESSOR

MOTOR

460V 4

µ

F

OVERLOAD

RELAY

370V 25

µ

F

(BASIC DIAGRAM)

UNIT TO UNIT CORD

UNIT TO UNIT CORD

BASIC 

DIAGRAM

INDOOR

UNIT B

TERMINAL

BOARD

INDOOR

UNIT A

TERMINAL

BOARD

6

4

2

3

1

8

5

7