LG LP-E5082ZA Service Manual ▷ View online
– 7 –
Remote Control
Operation ON/OFF
Operation Mode Selection
• Cooling, Soft Dry, Auto, Fan
¤I
Cooling Only Model
• Cooling, Heating, Soft Dry, Fan,
¤I
E/heater Heat Pump Model
Fan Speed Selection
Setting the temperature
Timer Control
Airflow Direction Control
• High, Medium, Low
• Up or Down
• Off Timer(1, 2, 3...7 hour)
• Airflow direction Auto-Swing and Manual control
Outdoor Unit
Deice Control
Outdoor Fan Speed Control
Sensing Heat Exchanger Temperature
• De-ice PCB
• One speed
• Heat exchanger temperature sensor (Thermistor)
– 24 –
6.1 Installation of indoor, Outdoor Unit
1) Select the best location
¥L
Indoor unit
• There should not be any heat source or steam near
the unit.
• There should not be any obstacles to prevent the air
circulation.
• The place where air circulation in the room will be
good.
• The place where drainage can be easily obtained.
• The place where noise prevention is taken into con-
• The place where noise prevention is taken into con-
sideration.
• Do not install the unit near the door way.
• Ensure the space indicated by arrows from the wall,
• Ensure the space indicated by arrows from the wall,
ceiling, fence, or the obstacles.
¥M
Outdoor unit
• If an awning is built over the unit to prevent direct
sunlight or rain exposure, be careful that heat radia-
tion from the condenser is not restricted.
tion from the condenser is not restricted.
• There should not be any animals or plants which
could be affected by discharged hot air.
• Ensure the space indicated by arrows from the wall,
ceiling, fence, or other obstacles.
¥N
Piping length and the elevation.
6. INSTALLATION
MODEL
MAX. Piping length
A (m)
5HP
30
25
MAX.
elevation
B (m)
A
B
Indoor unit
Outdoor unit
Wall
More
than
50cm
than
50cm
More than
50cm
50cm
More than
50cm
50cm
More than
100cm
100cm
Outdoor
unit
unit
5cm
5cm
40cm
1
0
0
c
m
Indoor unit
Outdoor unit
To indoor unit
Hexagonal wrench
Service port cap
3-way valve cap
(gas side)
(gas side)
3-way valve cap
(liquid side)
(liquid side)
No leakage found
leakage found
leakage ceased
leakage ceased
leakage persists
To open 3-way(liquid side) valve again,
turn the valve stem counter-clockwise
until it stops.
turn the valve stem counter-clockwise
until it stops.
To purge the air, push the pin on the service port
of 3-way(gas side) valve for three seconds using
with a hexagonal wrench and set it free for one
minute.
of 3-way(gas side) valve for three seconds using
with a hexagonal wrench and set it free for one
minute.
• Repeat this three times.
• Re-tighten the connecting portion with
torque wrenches.
locate a repair leak
Result
5
6
6.7 Air Purging of the Piping and
Indoor Unit
1) Air purging
The air which contains moisture and remains in the
Refrigeration cycle may cause a malfunction on the
compressor.
Refrigeration cycle may cause a malfunction on the
compressor.
¤
Remove the caps from the 3-way(liquid side) and
3-way(gas side) valves.
3-way(gas side) valves.
¤Ł
Remove the service-port cap from the 3-way
(gas side) valve.
(gas side) valve.
¤Ø
To open the valve, turn the valve stem of 3-way
(liquid side) valve counter-clockwise approx. 90°
and hold it there for ten seconds, then close it.
(liquid side) valve counter-clockwise approx. 90°
and hold it there for ten seconds, then close it.
¤Œ
Check the gas-leakage of the connecting port of
the pipings.
the pipings.
– 33 –
¤
Set the both 3-way(liquid side) and 3-way(gas side) valves to open position with the hexagonal wrench
for the unit operation.
for the unit operation.
¤
Checking the gas leakage for the left piping.
• Connect the manifold gauge to the service port of 3-way(gas side) valve.
Measure the pressure.
• Keep it for 5 - 10 minutes.
Ensure if the pressure indicated on the gauge is as same as that measured at first time.
– 34 –
CLOSED
CLOSED
Closed
Closed
Indoor unit
Outdoor unit
Liquid side
Gas side
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