LG LWC1262ACG / R1000 / R-1000 / R1200 / R-1200 / R1201H Service Manual ▷ View online
—5—
1.4 FEATURES
• Designed for COOLING ONLY.
• Powerful and whispering cooling.
• Slide-in and slide-out chassis for the simple
• Powerful and whispering cooling.
• Slide-in and slide-out chassis for the simple
installation and service.
• Side air-intake, side cooled-air discharge.
1.5 CONTROL LOCATIONS
1.5.1 COOLING ONLY MODEL
• VENTILATION
The ventilation lever must be in the CLOSE position
in order to maintain the best cooling conditions.
When a fresh air is necessary in the room, set the
ventilation lever OPEN position.
The damper is opened and room air is exhausted.
in order to maintain the best cooling conditions.
When a fresh air is necessary in the room, set the
ventilation lever OPEN position.
The damper is opened and room air is exhausted.
• THERMOSTAT
Thermostat will automatically control the
temperature of the room. Select a higher number for
a cooler temperature in the room. The temperature
is selected by positioning the knob to the desired
position.
The 5 or 6 position is a normal setting for average
conditions.
temperature of the room. Select a higher number for
a cooler temperature in the room. The temperature
is selected by positioning the knob to the desired
position.
The 5 or 6 position is a normal setting for average
conditions.
• OPERATION
Off
- Turns air conditioner off.
Med Fan
- Med speed fan operation without cooling.
Low Fan
- Low speed fan operation without cooling.
High Cool
- Cooling with high speed fan operation.
Med Cool
- Cooling with med speed fan operation.
Low Cool
- Cooling with low speed fan operation.
• Built-in adjustable THERMOSTAT
• Washable one-touch filter
• Compact size
• Reliable and efficient rotary compressor is equipped.
• Washable one-touch filter
• Compact size
• Reliable and efficient rotary compressor is equipped.
CLOSE
VENT
OPEN
1
Thermostat
Operation
2
3
4
9
8
7
6
5
Off
Med
Fan
Low
Fan
High
Cool
Cool
Med
Cool
Low Cool
Thermostat
Warmer
Cooler
BEFORE RESTARTING
WAIT THREE MINUTES
Operation
• OPERATION
Off
( ) :Turns the air conditioner off.
Low Fan
( ) :Permits the low fan speed
operation without cooling
(heating).
(heating).
Low Cool
( ) :Permits cooling with the low fan
speed operation.
High Cool
( ) :Permits cooling with the high fan
speed operation.
Low Heat
( ) :Permits heating with the low fan
speed operation.
High Heat
( ) :Permits heating with the high fan
speed operation.
A slight heat odor may come from the unit when first switching to HEAT after the cooling season is over.
This odor, caused by fine dust particles on the heater, will disappear quickly.
—6—
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
24~25 in this manual and on the control box.)
(Refer to the circuit diagram found on pages
24~25 in this manual and on the control box.)
1
Therm
ostat
Opera
tion
2
3
4
9
8
7
6
5
Off
Med
Fan
Low
Fan
High
Cool
Med
Cool
Low Co
ol
1
Therm
ostat
Opera
tion
2
3
4
9
8
7
6
5
Off
Med
Fan
Low
Fan
High
Cool
Med
Cool
Low Co
ol
1
Therm
ostat
Oper
ation
2
3
4
9
8
7
6
5
Off
Med
Fan
Fan
Low
Fan
Fan
High
Cool
Cool
Med
Cool
Cool
Low C
ool
2. DISASSEMBLY INSTRUCTIONS
— Before the following disassembly, POWER SWITCH set to OFF and disconnect the power cord.
Figure 1
Figure 3
Figure 2
—7—
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 forward and pulling it upward
slightly. (See Figure 4)
8. Move the evaporator to the left carefully.
9. Remove the 2 terminals carefully. (See Figure 5, at
Electric heater Model)
10. Remove the 3 screws which fasten the Heater
Cover. (See Figure 5, at Electric Heater Model)
11. Remove the Heater cover. (See Figure 5, at
Electric Heater Model)
12. Pull out the hook of orifice by pushing the tabs
and remove it. (See Figure 6)
13. Remove the clamp with a hand plier which
secures the blower.
14. Remove the blower.
15. Remove the 4 screws which fasten the air guide
15. Remove the 4 screws which fasten the air guide
from the barrier.
16. Move the air guide backward, pulling out from the
base pan.
17. 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 to the left carefully.
5. Remove the clamp which secures the fan.
6. Remove the fan. (See Figure 7)
7. Re-install by referring to the removal procedure.
Figure 4
Figure 5
Figure 6
Figure 7
—8—
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 8)
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 9)
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 10)
7. Re-install the components by referring to the
removal procedure, above.
Figure 8
Figure 9
Figure 10
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