LG Universal System Air Conditioner Service Manual page 78

Inverter SINGLE A
7.3 Piping length and the elevation
Pipe Size
Capacity
(Diameter:Ø)
Gas
36k Btu/h 5/8"(15.88mm) 1/4"(6.35mm)
42k Btu/h 3/4"(19.05mm) 3/8"(9.52mm)
48k Btu/h 3/4"(19.05mm) 3/8"(9.52mm)
60k Btu/h 3/4"(19.05mm) 3/8"(9.52mm)
Indoor unit
A
B
Outdoor unit
CAUTION:
• Rated performance for refrigerant line length of:7.5m
• Capacity is based on standard length and maximum allowance length is on the basis of reliabili-
ty.
• Improper refrigerant charge may result in abnormal cycle.
• Oil trap should be installed every 10 meters.
78 Universal System Air Conditioner
Length A(m)
Liquid Standard Max.
7.5
7.5
7.5
7.5
A
Indoor unit
Elevation B(m)
Standard Max.
50 5 30
75 5 30
75 5 30
75 5 30
Outdoor unit
Oil trap
B
Indoor unit
If piping length is more than 5m
*Additional
refrigerant(g/m)
35
50
50
50
Outdoor unit
A
B