Pipe Length And The Elevation - LG LA120CPI Service Manual

Piping Length and Elevation
Pipe Size
Capacity
(Btu/h)
Suction
9k, 12k Ø12.7mm(1/2") Ø6.35mm(1/4")
Indoor unit
A
B
Outdoor unit
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).
Standard
Length
Evap m(ft)
7.5(25)
A
Indoor unit
Max. Max.
Elevation length
m(ft)
m(ft)
B A
7.5(25) 15(49)
Outdoor unit
Oil trap
Indoor unit
B
If piping length is more than 16.4ft(5m)
Troubleshooting Guide
Additional
Refrigerant
g/m(oz/ft)
20(0.22)
Outdoor unit
A
B
Service Manual 55