LG Multi Type Installation Manual page 10

Installation of Indoor
• 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 pipe and
liquid pipe.
TEST AND CHECK
After all workings are finished, check the working and operation.
• Air distribution
• Drain
• Gas leakage
• Wiring
• Service Valve Lock-bolt
10 Multi Type Air Conditioner
All thermal insulation must comply with local requirement.
Union for liquid pipe
Refrigerant pipe and thermal
insulator(Local supply)
Hose clip for thermal insulator
(Local supply)
Thermal insulator for refrigerant pipe
(Local supply)
Union for gas pipe
Is the air circulation good?
Is the drainage smoothly and no sweating?
Is the piping connection correctly?
Is the wiring connection correctly?
Is the lock-bolt of Service Valve loosened?
Indoor
Insulate the joint and tubes completely.
Hose clip for thermal insulator(Local supply)
Make sure that there is no clearance here.
Power cable
Liquid pipe
Thermal insulator
WALL
Outdoor
5~7mm
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
piping(Local supply)
Overlap with thermal
insulator for piping.
Tape
Gas pipe