Samsung AS18A0RCF Manual de usuario
SERVICE Manual
SPLIT TYPE AIR CONDITIONER
AS18A9(0)RCF
AS18A9(0)RCFD
AS24A1(2)RC
AS24A1(2)RCD
Indoor Unit
US18A9(0)RCF
US18A9(0)RCFD
US24A1(2)RC
US24A1(2)RCD
Outdoor Unit
EDB98-15775A(4)
AS18A9(0)RCF SM_E_15775 3/10/05 7:16 PM Page 43
2
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
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 2
3
AIR CONDITIONER
SPLIT TYPE
Contents
DISASSEMBLE AND REASSEMBLE
1. Indoor unit
2. Outdoor unit
4
8
TROUBLESHOOTING
1. Items to be checked first
2. Abnormal diagnosis by symptom
3. Replace PCB module
15
16
21
ASSEMBLY DRAWING AND PART’S LIST
1. Indoor unit
2. Outdoor unit
3. PCB Box
22
24
28
WIRING DIAGRAM
1. Indoor unit
2. Outdoor unit
38
39
36
SCHEMATIC DIAGRAM
1. Indoor unit 40
REFRIGERATING CYCLE BLOCK DIAGRAM 29
SET UP THE OPTION CODE 12
ΙΙ
ΙΙΙΙ
ΙΙΙΙΙΙ
ΙΙΛΛ
ΛΛ
ΛΛΙΙΙΙΙΙ
ΙΙΧΧ
PERFORMANCE CURVE 30
ΛΛ
ΙΙ
PCB DIAGRAM
1. Main PCB
ΛΛ
ΙΙΙΙ
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 3
4
Disassemble and reassemble
1 Indoor unit
Stop operation of the air conditioner and remove the power cable before repairing the unit.
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 grille.
*Taking off the deodorizing and
Electrostatic filter out. (Option)
ΙΙ
If y u disassemble the heat exchanger, y u must pump d wn at first.
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 4
5
No. Part Procedure Remark
Assembly Tray
Drain
21) Separate the drain hose from the
extension drain hose.
2) Take the display PCB out.
(Center of the indoor unit)
3) Pull tray drain out from the back body.
7) Pull the upper left 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 and right.
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 5
6
Disassemble and reassemble (Continued)
ΙΙ
No. Part Procedure Remark
Electrical
Parts
(Main PCB)
Heat
Exchanger
3
4
1) Take out all the connector of PCB
on the upper part.
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) Loosen two ground screws at the right
side.
2) Separate the connection pipe.
3) Separate the bush body at the upper
side and holder at the rear side.
4) Loosen the two screws at the left side.
5) Lift the heat exchanger up a little to push
the upper side to separate it from the
indoor unit.
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 6
7
No. Part Procedure Remark
Fan Motor and
Cross Fan
51) 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.
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 7
8
Disassemble and reassemble (Continued)
ΙΙ
2 Outdoor unit
No. Part Procedure Remark
Common Work
11) Loosen the fixing screws and separate
the cover control.
2) Separate the connection wire from the
terminal block.
3) Loosen the fixing screws and separate
the upper cabinet.
4) Loosen the fixing screws and separate
the front cabinet.
5) Loosen two screws and pull up the
control box.
6) Loosen the nut on the terminal cover
and open it.
7) Separate the comp lead wire.
■ US18A9(0)RCF/US18A9(0)RCFD
❊ The designs and shape are subject to change according to the model.
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 8
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No. Part Procedure Remark
Fan and Motor
2
3
8) Loosen the fixing screws and separate
the cabinet side.
[US18A9(0)RCF]
Loosen the fixing screws and separate
the cabinet side LF and RH.
[US18A9(0)RCFD]
1) Remove the nut flange
(Turn to the clockwise).
2) Separate the fan.
3) Loosen four screws to separate
the motor.
1) Release the refrigerant at first.
2) Disassemble the inlet and outlet
pipe by welding.
3) Loosen the fixing screws of the heat
exchanger.
4) Separate the heat exchanger.
5) Loosen three bolts of the compressor.
6) Separate the compressor.
Heat Exchanger
and compressor
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 9
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No. Part Procedure Remark
Common Work
11) Loosen the fixing screws and separate
the cover control.
2) Separate the connection wire from the
terminal block.
3) Loosen the fixing screws and separate
the upper cabinet.
4) Loosen the fixing screws and separate
the front cabinet.
5) Loosen three screws and pull up the
control box.
6) Separate the terminal cover and
separate the comp lead wire.
■ US24A1(2)RC/US24A1(2)RCD
Disassemble and reassemble (Continued)
ΙΙ
❊ The designs and shape are subject to change according to the model.
AS18A9(0)RCF SM_E_15775 3/10/05 7:15 PM Page 10
Este manual sirve para los siguientes modelos
15
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