Sharp AH-M098E User manual

AH-M098E

AU-M188E

SHARP CORPORATION

MULTI SPLIT SYSTEM

ROOM AIR CONDITIONERS

INDOOR UNIT

AH-M098E

MODEL

TABLE OF CONTENTS

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

AU-M188E

OUTDOOR UNIT

Intheinterestsofuser-safety(Requiredbysafetyregulationsinsome

countries) thesetshouldberestoredtoitsoriginalconditionand only

parts identical to those specified should be used.

(2 INITS)

SERVICE MANUALS8862AHM098E/

AH-M098E

AU-M188E

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’.

SPECIFICATIONS

AH-M098E

AU-M188E

EXTERNAL DIMENSIONS

Figure E-2. OUTDOOR UNIT

275

61720

70 135

210

275

637

945 297

890 26055

590 150

Figure E-1. INDOOR UNIT

270

790 150

1800

Remote controll

58 19.5

182

Length unit (mm)

AH-M098E

AU-M188E

WIRING DIAGRAMS

Figure W-2. Wiring Diagram for AU-M188E

11 NN

Figure W-1. Wiring Diagram for AH-M098E

INTERNAL

THERMOSTAT

FAN 

MOTOR

FAN CAPACITOR

BK BL

BK C

YERELAY ( A ) BK

42318

RELAY

(B)

G(Y)

OR BR

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 25µF

COM-

PRESSOR

MOTOR

G(Y) SURGE

ABSORBER

(A)

SURGE

ABSORBER

(B)

TERMINAL

BOARD

OUTDOOR UNIT

OVERLOARD

RELAY

CWH

RUNNING CAPACITOR

(A)

COMPRESSOR

MOTOR

460V 4µF

OVERLOAD

RELAY

370V 25µF

(BASIC DIAGRAM)

UNIT TO UNIT CORD

BASIC 

DIAGRAM

INDOOR

UNIT B

TERMINAL

BOARD

INDOOR

UNIT A

TERMINAL

BOARD

UNIT B

UNIT A

42318

AH-M098E

AU-M188E

ELECTRICAL PARTS

For Model AH-M098E and AU-M188E

DESCRIPTION MODEL REMARKS SITE

Compressor 2PS154D3AA01 220 - 240V, 50Hz, 700W AU

Indoor fan motor ML-A411 220 - 240V, 50Hz AH

Outdoor fan motor ML-A457 220 - 240V, 50Hz AU

Indoor fan motor capacitor - 400V, 1µF AH

Outdoor fan motor capacitor - 460V, 4µF AU

Running capacitor - 370V, 25µF AU

Transformer - Primary; AC 220V, 50Hz AH

Secondary; AC16.1V, 50Hz

Fuse - 250V, 2.5A AH

AH-M098E

AU-M188E

Figure L-1. Electronic Control Circuit Diagram

MICROCOMPUTER CONTROL SYSTEM

AH-M098E

AU-M188E

Figure L-2 -1. Printed Wiring

AH-M098E

AU-M188E

Figure L-2-3. Printed Wiring Board of Switch Unit

Figure L-2-2. Printed Wiring Board of Receiver & LED Unit

AH-M098E

AU-M188E

MICROCOMPUTER CONTROL SYSTEM

1. Temperature control characteristic

1-1 Operation COOL

In the mode “COOL”, the thermostat circuit is

controlled by four thermostat lines (C1 ~ C4).

2. Operation modes

2-1 Operation COOL

The compressor turns on or off, at the

thermostat lines C3 and C4. The outdoor fan

motor is also controlled with the compressor.

Figure H-2

Room temperature( C)

Preset temperature(˚C)

18 32

17.5

18.5

19.5

31.5

32.5

33.5

2-2 Operation DRY

On the switch on, the compressor always starts

to operate for 2 minutes with fan speed “D”

(slower than “UL”).

The microcomputer reads the room temperature

2 minutes after this first compressor operation.

This room temperature is set as the preset

temperature automatically.

The preset temperature ranges from 18˚C to

32˚C.

When the room temperature is below 18˚C, the

preset temperature is set to 18˚C, and when

the room temperature is over 32˚C, the preset

temperature is set to 32˚C.

Dry operation is divided into three zones

(Cooling zone, Dehumidifying zone and

Circulating zone) by thermostat lines (D1 to

D3), and the compressor and the fan motor

are controlled in each zone as shown in Table

H-1.

Figure H-3

Room temperature(C˚)

Preset temperature(C˚)

Room

temperature

transition

States 1 & 3 : Compressor ON

State 2 : Compressor OFF

Room temperature( C)

Preset temperature(˚C)

18 32

17.5

18.5

19.5

20.5

31.5

32.5

33.5

34.5

Figure H-1

1-2 Operation DRY

In the mode “DRY”, the thermostat circuit is

controlled by three thermostat lines (D1 ~ D3).

AH-M098E

AU-M188E

3. FAN speed

Fan speeds are given by the indoor fan motor, “M”

(fastest), “L”, and “UL”, which are available in the

following operation mode.

Table H-2

FAN Switch COOL FAN ONLY

HIGH M M

LOW L L

SOFT UL UL

Room temperature(C˚)

Preset temperature(C˚)

Room

temperature

transition

States 1 & 5 : Cooling zone

States 2 & 4 : Dehumidifying zone

State 3 : Circulating zone

Figure H-4

Table H-1

CompressorFan

Speed

Cooling zone ON “UL”

Dehumidifying ON “D”

zone

Circulating zone OFF “D” or OFF

2-3 Operation FAN ONLY

The indoor fan motor always turns on.

4. Freeze preventive

When the indoor pipe temperature falls below -1˚C

during cool operation or dry operation, the compressor

is stopped.

5. Test run

If the “TEST RUN” button in the unit is pushed during

suspension of operation, cool test operation starts.

At this time, the fan speed is set to “AUTO”. If this

button is pushed during operation, the test operation

starts in current operation mode.

The operation LED (red) flickers during test run.

In the mode cool continuous (compressor ON)

operation is performed. In the mode dry operation os

in the operation dehumidifying zone. In the fan only

mode the indoor fan only mode the indoor fan motor

runs continuously.

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