LG LWG0760AHG_AHN_AHE Service Manual ▷ View online
—5—
TEMPERATURE SETTING
• This button can automatically control the temperature of the room.
The temperature can be set within a range of 60
The temperature can be set within a range of 60
°
F to 86
°
F by 1
°
F.(16˚C to 30˚C by 1˚C).
FAN SPEED
• Everytime you push this button it is set as follows. {High(F2) Low(F1) High(F2)...}.
FAN SPEED
• Everytime you push this button it is set as follows.
{High(F2)
{High(F2)
Low(F1)
High(F2)...}.
POWER
• To turn the air conditioner ON, push the button. To turn the air conditioner OFF, push the button again.
• This button takes priority over any other buttons.
• When you fist turn on, High Cool mode and 19˚C are set automatically(If Indoor Temp. not less than 21˚C),
however High Heat mode and 23˚C set (If Indoor Temp. less than 21˚C).
• This button takes priority over any other buttons.
• When you fist turn on, High Cool mode and 19˚C are set automatically(If Indoor Temp. not less than 21˚C),
however High Heat mode and 23˚C set (If Indoor Temp. less than 21˚C).
MODE
• Everytime you push this button, it will toggle between Cool, Fan and Heat.
ON/OFF TIMER
- STOPPING OPERATION
• Everytime you push this button, when the air conditioner is operating, timer is set as follows.
(1Hour 2Hours 3Hours 4Hours 5Hours 6Hours 7Hours 8Hours 9Hours
10Hours 11Hours 12Hours Cancel)
• The Setting Temperature will be raised by 2
• Everytime you push this button, when the air conditioner is operating, timer is set as follows.
(1Hour 2Hours 3Hours 4Hours 5Hours 6Hours 7Hours 8Hours 9Hours
10Hours 11Hours 12Hours Cancel)
• The Setting Temperature will be raised by 2
°
F(1
°
C) 30min. later and by 2
°
F(1
°
C) after another 30 min.
- STARTING OPERATION
• Everytime you push this button, when the air conditioner is not operating, timer is set as follow.
(1Hour 2Hours 3Hours 4Hours 5Hours 6Hours 7Hours 8Hours 9Hours
10Hours 11Hours 12Hours Cancel)
• Everytime you push this button, when the air conditioner is not operating, timer is set as follow.
(1Hour 2Hours 3Hours 4Hours 5Hours 6Hours 7Hours 8Hours 9Hours
10Hours 11Hours 12Hours Cancel)
REMOTE CONTROL SIGNAL RECEIVER
MODE
• Select Cooling or Fan mode Heating with this button.
POWER
• To turn the air conditioner ON, push the button.
To turn the air conditioner OFF, push the button again.
• This button takes priority over any other buttons.
• When you fist turn on, High Cool mode and 19˚C are set
automatically(If Indoor Temp. not less than 21˚C),
however High Heat mode and 23˚C set (If Indoor Temp.
less than 21˚C).
To turn the air conditioner OFF, push the button again.
• This button takes priority over any other buttons.
• When you fist turn on, High Cool mode and 19˚C are set
automatically(If Indoor Temp. not less than 21˚C),
however High Heat mode and 23˚C set (If Indoor Temp.
less than 21˚C).
TEMPERATURE SETTING
• This button can automatically control the temperature
of the room. The temperature can be set within a range
of 60
of the room. The temperature can be set within a range
of 60
°
F to 86
°
F by 1
°
F.(16˚C to 30˚C by 1˚C).
AUTO RESTART SWITCH
In failure of electric power, if the switch is set to "ON",
the unit runs as previous setting operation when
power returns.
the unit runs as previous setting operation when
power returns.
ON/OFF TIMER
• Everytime you push this button, timer is set as follows.
(1Hour 2Hours 3Hours 4Hours 5Hours 6Hours
7Hours 8Hours 9Hours 10Hours 11Hours 12Hours Cancel)
• The Setting Temperature will be raised by 2
(1Hour 2Hours 3Hours 4Hours 5Hours 6Hours
7Hours 8Hours 9Hours 10Hours 11Hours 12Hours Cancel)
• The Setting Temperature will be raised by 2
°
F(1˚C) 30min.
later and by 2
°
F after another 30 min.
1.5.2 HEAT PUMP MODEL WITH REMOTE CONTROL AND TOUCH TYPE
• DISPLAY
• REMOTE CONTROLLER
Precaution: The Remote Controller will not function 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.
—6—
2.1 MECHANICAL PARTS
2.1.1 FRONT GRILLE
1. Open the lnlet grille upward or downward.
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. Disconnect the unit from the power source.
2. Remove the front grille. (Refer to section 2.1.1)
3. Remove the cabinet. (Refer to section 2.1.2)
4. Remove the screw which fastens the control box
2. Remove the front grille. (Refer to section 2.1.1)
3. Remove the cabinet. (Refer to section 2.1.2)
4. Remove the screw which fastens the control box
cover.
5. Remove the housing which connects motor wire
in the control box.
6. Remove the 3 leads from the compressor.
(Refer to section 2.3.1)
7.Discharge the capacitor by placing a 20,000
ohmresistor across the capacitor terminals.
8. Remove the 2 screws which fasten the control
box.(See Figure 3)
9. Pull the control box forward completely.
10. Re-install the components by referring to the
removal procedure, above. (See Figure 3)
(Refer to the circuit diagram found on page 24 in
this manual or on the control box.)
(Refer to the circuit diagram found on page 24 in
this manual or 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
—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 3 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. Pull out the hook of orifice by pushing the tabs and
remove it. (See Figure 5)
10. Remove the clamp with a 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, pulling out from the
base pan.
14. Re-install the components by referring to the
removal procedure, above.
2.2.2 FAN AND SHROUD
1. Remove the cabinet. (Refer to section 2.1.2)
2. Remove the brace (Refer to section 2.2.1)
3. Remove the 3 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 and then pull out the shroud.
(See Figure 6)
7. Re-install by referring to the removal procedure.
Figure 4
Figure 5
Figure 6
—8—
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 7)
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 8)
7. Re-install the components by referring to the
removal procedure, above.
Figure 7
Figure 8
Figure 9