Samsung AS07A5MA User manual

SERVICE Manual

SPLIT TYPE AIR CONDITIONER

AS07A5(6)MA

AS09A5(6)MAF

AS12AA(B)MCF

Indoor Unit US07A5(6)MA

US09A5(6)MAF

US12AA(B)MCF

Outdoor Unit

EDB98-15774A(1)

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 47

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 1

The following safety precautions must be taken when using your air conditioner.

WARNING

Risk of electric shock. • Can cause injury or death. • Disconnect all remote electric

power supplies before servicing, installing or cleaning. • This must be done by the

manufacturer or its service agent or a similar qualified person in order to avoid a

hazard.

Safety Precautions

◆The unit should not be installed by the user. Ask the dealer or authorized

company to install the units except room air conditioners for the U.S.A and

Canada area.

◆If the unit is installed improperly, water leakage, electric shock or fire may

result.

◆The air conditioner must be installed in accordance with national wiring

regulations and safety regulations wherever applicable.

◆Mount with the lowest moving parts at least 8.2ft(2.5m) above the floor or

grade level. (If applicable)

◆The manufacturer does not assume responsibility for accidents or injury

caused by an incorrectly installed air conditioner. If you are unsure about

installation, contact an installation specialist.

◆When installing the built-in type air conditioner, keep all electrical cables

such as the power cable and the connection cord in pipe, ducts, cable

channels e.t.c to protect them against liquids, outside impacts and so on.

NSTALLING THE UNIT

◆If the power cord of this air conditioner is damaged, it must be replaced by

the manufacturer, its service agent or similarly qualified persons in order to

avoid a hazard.

◆The unit must be plugged into an independent circuit if applicable or

connect the power cable to the auxiliary circuit breaker. An all pole

disconnection from the power supply must be incorporated in the fixed

wiring with a contact opening of >3mm.

◆Do not use an extension cord with this product.

◆If the unit is equipped with a power supply cord and a plug, the plug must

be accessible after installation.

◆This appliance must be installed accordance with the national wiring

regulations.

POWER SUPPLY LINE,

FUSE OR CIRCUIT

BREAKER

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 2

AIR CONDITIONER

SPLIT TYPE

Contents

DISASSEMBLE AND REASSEMBLE

1. Indoor unit

2. Outdoor unit 4

TROUBLESHOOTING

1. Items to be checked first

2. Abnormal diagnosis by symptom 13

ASSEMBLY DRAWING AND PART’SLIST

1. Indoor unit

2. Outdoor unit

3. Assembly control in

4. Assembly control out

WIRING DIAGRAMS

1. Indoor unit

2. Outdoor unit 41

SCHEMATIC DIAGRAMS

1. Indoor unit

2. Outdoor unit 44

REFRIGERATING CYCLE BLOCK DIAGRAM 31

SET UP THE OPTION CODE 10

ΙΙ

ΙΙΙΙ

ΙΙΙΙΙΙ

ΙΙΛΛ

ΛΛ

ΙΙΙΙ

ΛΛΙΙΙΙΙΙ

PERFORMANCE CURVE 32

ΛΛ

ΙΙ

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 3

Disassemble and reassemble

1 Indoor unit

Stop operation of the air conditioner and remove the power cable before repairing the unit.

If you disassemble the heat exchanger, you must pump down at first.

No. Part Procedure Remark

Front Panel

11) Stop the operation of the air conditioner

and block the main power.

2)Separate the tape from the front panel.

3)Contract the second finger to the left,

and right handle. And pull the inlet grille

to open.

4)Take the left and right filter out.

5)Loosen one of the right screw and

separate the terminal cover.

6)Loosen three screws of front panel.

7)Pull the upper left, center and right of

discharge softly so that the outside

cover is pulled out.

8)Pull softly the lower part of discharge and

push it up.

Caution

Assemble the front panel and fix the

hooks of left, center and right.

*Taking off the deodorizing filter.

ΙΙ

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 4

No. Part Procedure Remark

Electrical

Parts

(Main PCB)

Assembly Tray

Drain

Heat

Exchanger

Fan Motor and

Cross Fan

1) Take all the connector of PCB

on the upper part. (Included Power cord)

2) Separate the outdoor unit connection

wire from the terminal block.

3) If you pull out the main PCB up, it will be

taken out.

1) Separate the drain hose from the

extension drain hose.

2) Pull tray drain out from the back body.

1) Loosen two ground screws at the

right side.

2) Separate the connection pipe.

3) Separate the holder pipe at the rear side.

4) Loosen three screws at the right and

left side.

5) Lift the heat exchanger up a little to push

the upper side to separate it from the

indoor unit.

1) Loosen two screws and separate the

motor holder.

2) Loosen the screw of fan motor.

(By use of M3 wrench)

3)Separate the fan motor from the fan.

4)Separate the fan from the left holder

bearing.

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 5

2 Outdoor unit

No. Part Procedure Remark

Common Work

Fan Motor

1)Loosen screws and separate the cover

E-part.

2)Separate the connection wire from the

terminal block.

3)Loosen five screws and separate the

upper cabinet.

4) Loosen the screw of the control box.

5) Loosen nine screws and separate the

side cabinet.

1) Loosen four screws and separate

Guard Fan from the front cabinet.

■ US07A5(6)MA/US09A5(6)MAF

Disassemble and reassemble (cont’d)

ΙΙ

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 6

No. Part Procedure Remark

Compressor

Heat

Exchanger

2) Remove the nut flange

(Turn to the clockwise).

3)Separate the fan.

4)Loosen four screws to separate the motor.

1)Release the refrigerant.

2)Loosen two screws of left and right side.

3)Disassemble the inlet and outlet pipe by

welding.

4)Separate the heat exchanger.

1)Release the refrigerant.

2)Loosen the nut on the terminal cover

and open the terminal cover.

3)Separate the OLP and the compressor

wire.

4)Disassemble the inlet and outlet pipe

of compressor by welding.

5)Disassemble the inlet and outlet pipe

of condenser by welding.

6) Loosen three bolts of the lower part.

7)Separate the compressor.

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 7

Disassemble and reassemble(cont’d)

ΙΙ

■US12AA(B)MCF

No. Part Procedure Remark

Common Work 1) Loosen a screw and separate the cover

E-part.

2)Separate the connection wire from the

terminal block.

3) Loosen thirteen screws and separate

the front cabinet.

4) Loosen a screw of the control box.

5) Loosen four screws and separate the

side cabinet.

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 8

No. Part Procedure Remark

Fan and Motor

Heat Exchanger

Compressor

1) Remove the nut flange

(Turn to the clockwise).

2) Separate the fan.

3) Loosen four screws to separate the motor.

4) Loosen five screws and separate the

motor bracket from the base.

1)Release the refrigerant.

2)Loosen screws of left and right side.

3)Disassemble the inlet and outlet pipe by

welding.

4)Separate the heat exchanger.

1)Release the refrigerant.

2)Open the terminal cover of compressor

and unscrew the connection terminal.

3)Separate the OLP and the compressor

wire.

4)Disassemble the inlet and outlet pipe of

compressor by welding.

5) Loosen three bolts of the lower part.

6) Separate the compressor.

AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 9

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