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)
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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.
I 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
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AIR CONDITIONER
SPLIT TYPE
Contents
DISASSEMBLE AND REASSEMBLE
1. Indoor unit
2. Outdoor unit 4 6
TROUBLESHOOTING
1. Items to be checked first
2. Abnormal diagnosis by symptom 13 14
ASSEMBLY DRAWING AND PART’SLIST
1. Indoor unit
2. Outdoor unit
3. Assembly control in
4. Assembly control out
22
24
28
29
WIRING DIAGRAMS
1. Indoor unit
2. Outdoor unit 41 42
SCHEMATIC DIAGRAMS
1. Indoor unit
2. Outdoor unit 44 45
REFRIGERATING CYCLE BLOCK DIAGRAM 31
SET UP THE OPTION CODE 10
ΙΙ
ΙΙΙΙ
ΙΙΙΙΙΙ
ΙΙΛΛ
ΛΛ
ΛΛ
ΙΙΙΙ
ΛΛΙΙΙΙΙΙ
PERFORMANCE CURVE 32
ΛΛ ΙΙ
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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
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No. Part Procedure Remark
Electrical
Parts
(Main PCB)
Assembly Tray
Drain
Heat
Exchanger
Fan Motor and
Cross Fan
2
3
4
5
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.
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2 Outdoor unit
No. Part Procedure Remark
Common Work
Fan Motor
1
2
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
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No. Part Procedure Remark
Compressor
Heat
Exchanger
3
4
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.
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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.
1
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No. Part Procedure Remark
Fan and Motor
Heat Exchanger
Compressor
2
3
4
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.
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