LG LS-P0960HL Service Manual ▷ View online
2) Connect the cable to the indoor unit
1. Connect the wires to the terminals on the con-
trol board individually according to the outdoor
unit connection.
unit connection.
• Ensure the color of wires of outdoor unit and the ter-
minal No.s are the same to the indoor's respectively.
1) Cooling only type
• Secure the cable onto the control board with the
holder(clamper).
2. Attach the Grille onto the cabinet
• Grasp lower the left and right side of the Grille and
• Grasp lower the left and right side of the Grille and
engage two tabs on the top in side edge of the grille
with two slots on the cabinet's top front edge.
with two slots on the cabinet's top front edge.
• press the grille toward the cabinet until it will be
back into place.
• Secure the grille to the cabinet with two screws.
Connecting
cable
cable
35
BROWN BLUE GREEN/YELLOW
1(L) 2(N)
BLACK
GRAY
1(L) 2(N)
3 4
BLACK
GRAY
BROWN BLUE G/Y BLACK RED
Terminals on the outdoor unit
Terminals on the indoor unit
Terminals on the outdoor unit
1(L) 2(N)
1(L) 2(N)
3 4
Terminals on the indoor unit
BROWN BLUE G/Y BLACK RED
Color of Wires
2) Cooling & Heating type
Color of Wires
Color of Wires
3) Form the pipings
1. Wrap the connecting portion of indoor unit with
the lnsulation material and secure it with two
plastic Bands (for the right pipings).
plastic Bands (for the right pipings).
• If you want to connect an additional drain hose, the
end of the drain-outlet should keep distance from
the ground.(Do not dip it into water, and fix it on the
wall to avoid swinging in the wind.)
the ground.(Do not dip it into water, and fix it on the
wall to avoid swinging in the wind.)
2. Tape the pipings, drain hose and Connecting
Cable from down to up.
3. Form the pipings gathered by taping along the
exterior wall and fix it onto the wall by saddle
or equivalent.
or equivalent.
2. Tape the pipings and Connecting Cable from
down to up.
3. Form the pipings gathered by taping along the
exterior wall and the Trap is required to prevent
the room from entering the water.
the room from entering the water.
4. Fix the pipings onto the wall by saddle or
equivalent.
Seal a small opening
around the pipings with
aum type sealer.
around the pipings with
aum type sealer.
Taping
Drain
hose
hose
Pipings
Connecting
cable
cable
Plastic
Band
Band
Trap is required to prevent the electrical
parts from entering the water.
parts from entering the water.
Trap
Seal a small opening
around the pipings with
gum type sealer.
around the pipings with
gum type sealer.
In case of the Oudoor unit to be installed
below the Indoor unit
In case of the Outdoor unit to be installed
upper position of the Indoor unit
36
1) Air purging
The air which contains a moisture is remaining in the
refrigeration cycle may cause a malfunction on the
compressor.
refrigeration cycle may cause a malfunction on the
compressor.
1. Remove the caps from the 2-way and 3-way
valves.
2. Remove the service-port cap from the 3-way valve.
3. To open the valve, turn the valve stem of 2-way
valve counter-clockwise approx. 90° and hold it
there for five seconds, then close it.
there for five seconds, then close it.
4. Check a gas-leakage of the connection portion of
the pipings.
• For the left pipings, refer page 26.
• For more details, refer page 45(2-way 3-way valve).
• For more details, refer page 45(2-way 3-way valve).
ƒN
CAUTION:
Do not leak the gas in the air during Air purging
Do not leak the gas in the air during Air purging
with vacumm pump as possible as you can.
2-way valve
(Open)
(Open)
3-way valve
(Close)
(Close)
Terminal block
(pillar terminal)
(pillar terminal)
Cover
control
control
To indoor unit
Liquid side
Gas side
Liquid side
Gas side
Cap
Hexagonal wrench
Service port cap
5. To open 2-way valve again, turn the valve stem
counter-clockwise until it stops.
6. To purge the air, push the pin on the service port
of 3-way valve for three seconds with a hexagonal
wrench and set it free for one minute.
wrench and set it free for one minute.
ƒU
Repeat the operation three times.
ƒU
Re-tighten the connecting portion with wrench.
No leakage found
Result
leakage found
leakage ceased
leakage ceased
leakage persists
¤
¤
¤
¤
Repair
5. Air Purging
37
7. Set the both 2-way and 3-way valves to open position with the hexagonal wrench for the unit operation.
8. Checking a gas leakage.
(1) Connect the manifold gauge to the service port of
3-way valve.
Measure the pressure.
Measure the pressure.
(2) Keep it for 5-10 minutes.
Ensure if the pressure indicated on the gauge is
as same as that of measured at first time.
as same as that of measured at first time.
Chiuso
Indoor unit
Liquid side
Closed
Closed
CLOSE
CLOSE
Outdoor unit
Gas side
NOTE:
The additional gas for air purging has been charged in the outdoor unit.
However, if the flare connections have not been done correctly and there gas leaks, a gas cylinder and the
charge set will be needed.
The additional gas for air purging has been charged in the outdoor unit.
However, if the flare connections have not been done correctly and there gas leaks, a gas cylinder and the
charge set will be needed.
ƒN
CAUTION:
Do not leak the gas in the air during Air purging with vacumm pump as possible as you can.
38
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