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• Drill the piping hole with 70mm dia, hole
core drill.
• Piping hole should be slightly slant to the
outdoor side.
INSULATION, OTHERS
THERMAL INSULATION
INDOOR UNIT
REFRIGERANT PIPE
• Insulate and tape both the gas piping and liquid piping.
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
Union for liquid pipe
Orifice
Refrigerant pipe and thermal
insulator(Local supply)
Hose crip for thermal insulator
(Local supply)
Thermal insulator for refrigerant pipe
(Local supply)
Union for gas pipe
Indoor
Make sure that there is no clearance here.
Connecting cable
Liquid pipe
Thermal insulator
- 31 -
WALL
Outdoor
5~7mm
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
piping(Local supply)
Overlap with thermal
insulator for piping.
Hose crip for thermal insulator(Local supply)
Tape
Gas pipe
LGE Internal Use Only
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