LG LB-C306GSS0, Installation Manual

Page: 14 / 35

14 Concealed Duct Air Conditioner
Installation of Indoor, Outdoor Unit
• Drill the piping hole with 70 mm dia, hole core
drill.
• Piping hole should be slightly slant to the
outdoor side.
5~7 mm
Indoor Outdoor
WALL
INSULATION, OTHERS
Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
INDOOR UNIT
REFRIGERANT PIPE
• Insulate and tape the gas piping.
CAUTION: Cutting line of
insulation must look upper
direction. Thickness of
insulation is 7 mm or over.
Recommended Insulation
material
Meterial: FOAM PE
Thickness : 10 mm
Density : less than 0.032±0.005 (g/cm
2 )
Thermal conductivity : less than 0.03
(kcal/m.hr.°C)
NOTICE
■
After all workings are finished, check the working and operation.
• Air distribution Is the air circulation good?
• Drain Is the drainage smoothly and no sweating?
• Gas leakage Is the piping connection correctly?
• Wiring Is the wiring connection correctly?
• Lock-bolt Is the lock-bolt of compressor loosened?
THERMAL INSULATION
TEST AND CHECK
Make sure that there is no clearance here.
Overlap with thermal
insulator for piping.
Thermal insulator for refrigerant pipe
(Local supply)
Thermal insulator for
piping(Local supply)
Hose clip for thermal insulator(Local supply)
Union for liquid pipe
Refrigerant pipe and thermal
insulator(Local supply)
Union for gas pipe
Thermal insulator for refrigerant pipe
(Local supply)
Hose clip for thermal insulator
(Local supply)
Power cable
Thermal insulator
Gas pipe
Liquid pipe
Tape