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Only for training and service purposes
LGE Internal Use Only
Piping Length and Elevation
Installation
Pipe Size
Capacity
(Btu/h)
Suction
Evap
Max.
length
Ⓐ
m(ft)
Additional
Refrigerant
g/m(oz/ft)
Max.
Elevation
Ⓑ
m(ft)
9k, 12k
Ø12.7mm(1/2") Ø6.35mm(1/4")
7.5(25)
7.5(25)
15(49)
20(0.22)
CAUTION: Capacity is based on standard length and maximum allowance length is
on the basis of reliability.
Oil trap should be installed every 16.4~23feets (5~7 meters).
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
If piping length is more than 16.4ft(5m)
Standard
Length m(ft)