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Model
LM-1460C2L_M LM-1460H2L_M LM-1560C2L_M LM-1723C2L_M LM-1963C2L_M LM-1963H2L_M LM-2163C2L_M LM-2163H2L_M LM-2063H3L_M LM-2064C3L_M LM-3063C3L_M LM-3063H3L_M
Pages
102
Size
2.93 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-3063h3l.zip
Date

LG LM-1460C2L_M / LM-1460H2L_M / LM-1560C2L_M / LM-1723C2L_M / LM-1963C2L_M / LM-1963H2L_M / LM-2163C2L_M / LM-2163H2L_M / LM-2063H3L_M / LM-2064C3L_M / LM-3063C3L_M / LM-3063H3L_M Service Manual ▷ View online

- 36 -
Installation
Front
Right
Rear right
Rear left
Down right
Left
More than 5 cm
More than eye-level
More than
5 cm
More than
5 cm
More than 10 cm
More than 10 cm
More than 70 cm
A
B
Indoor unit
Outdoor unit
1) Selection of the best location
1. 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.
• A place where air circulation in the room will be
good.
• A place where drainage can be easily obtained.
• A place where noise prevention is taken into
consideration.
• Do not install the unit near the door way.
• Ensure the spaces indicated by arrows from
the wall, ceiling, fence, or other obstacles.
2. Outdoor unit
• If an awning is built over the unit to prevent
direct sunlight or rain exposure, be careful that
heat radiation from the condenser is not
restricted.
• There should not be any animals or plants
which could be affected by hot air discharged.
• Ensure the spaces indicated by arrows from
the wall, ceiling, fence, or other obstacles.
3. Piping length and the elevation
Pipe Size
GAS
LIQUID
Max. piping
length
A (m)
Max.
Elevation
B (m)
1/2"(3/8")
1/4"
10~15
5~7
(1) Installation of Indoor, Outdoor unit
- 45 -
Connecting cable
2) Connect the cable to the indoor unit
1. Connect the wires to the terminals on the
control board individually according to the
outdoor unit connection.
• Ensure that the color of the wires of  outdoor
unit and the terminal No. are the same as
those of indoor unit respectively.
2. Attach the Grille onto the cabinet.
• Grasp lower the left and right side of the
Grille and engage four tabs on the top inside
edge of the chassis.
• Press the Grille toward the chassis until it will
be back into place.
1(L)
1(L)
2(N)
2(N)
1(L) 2(N)
3
3
Terminal on the OUTDOOR UNIT
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
Terminal on the INDOOR UNIT
A-UNIT
Terminal on the INDOOR UNIT
Power cord
Power cord
Power cord
B-UNIT
Terminal on the INDOOR UNIT
B-UNIT
Terminal on the INDOOR UNIT
C-UNIT
3
3
1(L) 2(N)
3
1(L) 2(N)
3
2(N)
1(L)
1(L)
3(B)
2(N)
3(A)
1(L) 2(N)
1(L) 2(N)
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
Power cord
Terminal on the INDOOR UNIT
B-UNIT
3
1(L) 2(N)
3
1(L)
2(N)
1(L)
2(N)
3
3
1(L)
2(N)
3
3
2(N)
2(N)
1(L)
1(L)
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
1(L)
2(N)
1(L)
2(N)
3
4
3
4
Terminal on the INDOOR UNIT
B-UNIT
1(L)
2(N)
3
4
3
2(N)
4
1(L)
Taping
Drain hose
Pipings
Connecting 
cable
Plastic band
• Trap is required to prevent water from 
  entering into electrical parts.
Power cord
- 46 -
Seal a small opening
around the pipings
with gum type sealer. 
Trap
Trap
3) Form the pipings
1. Wrap the connecting portion of indoor unit
with the Insulation material and secure it with
two Plastic Bands(for the left 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.)
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.
1. Tape the Pipings and Connectiong cable from
down to up.
2. Form the pipings gathered by taping along the
exterior wall and the Trap to be required to
prevent the room from entering the water.
3. Fix the pipings onto the wall by saddle or
equivalent.
In case of the Outdoor unit is installed bellow
position of the Indoor unit.
In case of the Outdoor unit is installed upper
position of the Indoor unit.
- 47 -
(5) Air Purging of the Pipings and indoor unit
The air which contains moisture remaining in the is refrigeration cycle may cause a malfunction on the 
compressor.
1. Confirm that both the liquid side valve and the gas side valve are set to the closed position.
2. After connecting the piping, check the joints for gas leakage with gas leak detector.
3. Remove the service port nut, and connect the gauge manifold and the vacuum pump to the service port
by the charge hose.
4. Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below-76cmHg.
5. Disconnect the charge hose and fit the nut to the service port.
(Tightening torque: 1.8kg.m)
6. Remove the valve stem nuts, and fully open the stems of the 2-way and 3-way valves with a hexagon
wrench.
7. Tighten the valve stem nuts of the 2-way valve and 3-way valve.
Indoor unit
Outdoor unit
Liquid side
Gas side
CLOSE
OPEN
Vacuum pump
2-way
valve
Closed
Closed
3-way
valve
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