LG LWC1260ACG Service Manual ▷ View online
—10—
1.5.4 COOLING ONLY MODEL WITH REMOTE CONTROL AND TOUCH TYPE
• DISPLAY
• REMOTE CONTROL
Precaution: The Remote Controller will not operate properly if strong light strikes the sensor window of the air
conditioner or if there are obstacles between the Remote Controller and the air conditioner.
conditioner or if there are obstacles between the Remote Controller and the air conditioner.
FAN SPEED
MODE
SLEEP
TEMP
POWER
AUTO SWING
FAN
COOL
ON
ON
OFF
AUTO RESTART
R
• DISPLAY COOL/FAN
It indicates COOL/FAN.
• SLEEP(OPTION)
It displays the operating of timer.
• REMOCON SIGNAL
RECEIVER
• OPERATION SWITCH
When you cannot using
Remote Controller, push this
button.
When you first turn on, the Set
is on the High Cool mode and
the Temp. of 22°C. When you
push this button again, the set
is OFF.
Remote Controller, push this
button.
When you first turn on, the Set
is on the High Cool mode and
the Temp. of 22°C. When you
push this button again, the set
is OFF.
• TEMPERATURE SETTING
This button can automatically control
the temperature of the room. The
temperature can be set within a
range of 16°C to 30°C by 1°C.
Select the lower number for lower
temperature of the room.
the temperature of the room. The
temperature can be set within a
range of 16°C to 30°C by 1°C.
Select the lower number for lower
temperature of the room.
• FAN SPEED
Everytime you push this button, it
is set as follows.
(High
is set as follows.
(High
¡
Low
¡
High...)
AUTO SWING(OPTION) •
Press the air flow
direction control
button for the vertical
louver's swing
automatically.
Press the air flow
direction control
button for the vertical
louver's swing
automatically.
• AUTO RESTART(OPTION)
In failure of electricity, if the
switch is set to "SI", the unit
runs as previous set operation
when power returns.
switch is set to "SI", the unit
runs as previous set operation
when power returns.
SLEEP
AUTO SWING
COOL/FAN
POWER
TEMPERATURE SETTING
FAN SPEED
• Everytime you push this button, timer is set as follows. (1Hour
¡
2Hours
¡
3Hours
¡
4Hours
¡
6Hours
¡
8Hours
¡
10Hours
¡
12Hours
¡
Cancel)
• The Setting Temperature will be raised by 1°C 30min. later and by 2°C 1hour later.
• Everytime you push this button, it will be COOL and FAN only by turns.
• Press the air flow direction control button for the vertical louver's to swing
automatically.
• To turn the Set ON, push the button. To turn the Set OFF, push the button again.
• This button takes priority of any other buttons.
• When you first turn on, the Set is on the High cool mode and the temp. of 22°C.
• This button takes priority of any other buttons.
• When you first turn on, the Set is on the High cool mode and the temp. of 22°C.
• This button can automatically control the temperature of the room. The
temperature can be set within a range of 16°C to 30°C by 1°C.
Select the lower number for lower temperature of the room.
Select the lower number for lower temperature of the room.
• Everytime you push this button, it is set as follows.
(High
¡
Low
¡
High...)
—11—
2.1 MECHANICAL PARTS
2.1.1 FRONT GRILLE
1. Open the lnlet grille upward .
2. Remove the screw which fastens the front grille.
3. Pull the front grille from the right side.
4. Remove the front grille.
5. Re-install the component by referring to the
2. Remove the screw which fastens the front grille.
3. Pull the front grille from the right side.
4. Remove the front grille.
5. Re-install the component by referring to the
removal procedure, above.(See Figure 1)
2.1.2 CABINET
1. After disassembling the FRONT GRILLE, remove
the 2 screws which fasten the cabinet at both
sides.
sides.
2. Remove the 2 screws which fasten the cabinet at
back.
3. Pull the base pan forward. (See Figure 2)
4. Remove the cabinet.
5. Re-install the component by referring to the
4. Remove the cabinet.
5. Re-install the component by referring to the
removal procedure, above.
2.1.3 CONTROL BOX
1. Remove the front grille. (Refer to section 2.1.1)
2. Remove the cabinet. (Refer to section 2.1.2)
3. Remove the 2 screws which fasten the control box
2. Remove the cabinet. (Refer to section 2.1.2)
3. Remove the 2 screws which fasten the control box
cover.
4. Remove two housings which connect compressor
wire and motor wire in the control box.
5.Discharge the capacitor by placing a 20,000
ohmresistor across the capacitor terminals.
6. Remove the 2 screws which fasten the control
box.
7. Pull the control box forward completely.
8. Re-install the components by referring to the
8. Re-install the components by referring to the
removal procedure, above. (See Figure 3)
(Refer to the circuit diagram found on pages
34~38 in this manual and on the control box.)
(Refer to the circuit diagram found on pages
34~38 in this manual and on the control box.)
2. DISASSEMBLY INSTRUCTIONS
— Before the following disassembly, POWER SWITCH set to OFF and disconnect the power cord.
Figure 1
Figure 3
Figure 2
—12—
2.2 AIR HANDLING PARTS
2.2.1 AIR GUIDE AND BLOWER
1. Remove the front grille. (Refer to section 2.1.1)
2. Remove the cabinet. (Refer to section 2.1.2)
3. Remove the control box. (Refer to section 2.1.3)
4. Remove the 4 screws which fasten the brace.
5. Remove the brace.
6. Remove the 2 screws which fasten the evaporator.
7. Move the evaporator high side forward and pulling
it upside slightly. (See Figure 4)
8. Move the evaporator sideways carefully.
9. Pull out upside hook of orifice by pushing the tabs
and remove it. (See Figure 5)
10. Remove the clamp with hand plier which secures
the blower.
11. Remove the blower.
12. Remove the 4 screws which fasten the air guide
12. Remove the 4 screws which fasten the air guide
from the barrier.
13. Move the air guide backward and pulling out from
the base pan
14. Re-install the components by referring to the
removal procedure, above.
2.2.2 FAN
1. Remove the cabinet. (Refer to section 2.1.2)
2. Remove the brace (Refer to section 2.2.1)
3. Remove the 4 screws which fasten the condenser.
4. Move the condenser sideways carefully.
5. Remove the clamp which secures the fan.
6. Remove the fan. (See Figure 6)
7. Re-install by referring to the removal procedure.
Figure 4
Figure 5
Figure 6
—13—
2.2.3 SHROUD
1. Remove the fan. (Refer to section 2.2.2)
2. Remove the screw which fastens the shroud.
2. Remove the screw which fastens the shroud.
3. Remove the shroud. (See Figure 7)
4. Re-install the component by referring to the
removal procedure, above.
2.3 ELECTRICAL PARTS
2.3.1 OVERLOAD PROTECTOR
1. Remove the cabinet. (Refer to section 2.1.2)
2. Remove the nut which fastens the terminal cover.
3. Remove the terminal cover. (See Figure 8)
4. Remove all the leads from the overload protector.
5. Remove the overload protector.
6. Re-install the component by referring to the
removal procedure, above.
2.3.2 COMPRESSOR
1. Remove the cabinet. (Refer to section 2.1.2)
2. Discharge the refrigerant system using a Freon
TM
Recovery System.
If there is no valve to attach the recovery system,
install one (such as a WATCO A-1) before venting
the Freon
If there is no valve to attach the recovery system,
install one (such as a WATCO A-1) before venting
the Freon
TM
. Leave the valve in place after
servicing the system.
3. Remove the overload protector. (Refer to section
2.3.1)
4. After purging the unit completely, unbraze the
suction and discharge tubes at the compressor
connections.
connections.
5. Remove the 3 nuts and the 3 washers which
fasten the compressor.
6. Remove the compressor. (See Figure 9)
7. Re-install the components by referring to the
removal procedure, above.
CLOSE
VENT
OPEN
1
2
3
LOW
BEFORE RESTARTING
WAIT THREE MINUTES
WAIT THREE MINUTES
LOW
MED
HIGH
MED
4
5
6
7
8
9
THERMOSTAT
OPERATION
CO
O
LE
R
Figure 7
Figure 8
1
2
3
4
5
6
7
8
9
THERMOSTAT
OPERATION
C
O
O
L
E
R
Figure 9
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