Pipe Length and the Elevation
Capacity
(Btu/h)
3/8"(Ø9.52)
7k~14k
1/2"(Ø12.7)
1/2"(Ø12.7)
18k~28k
5/8"(Ø15.88)
5/8"(Ø15.88)
5/8"(Ø15.88)
30k~38k
3/4"(Ø19.05)
A
Indoor unit
CAUTION:* Capicity is based on standard length and maximum allowance length
is the basis of reliability.
* Oil trap should be installed per 5~7 meters.
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Pipe Size
GAS
LIQUID
1/4"(Ø6.35)
1/4"(Ø6.35)
1/4"(Ø6.35)
1/4"(Ø6.35)
3/8"(Ø9.52)
3/8"(Ø9.52)
3/8"(Ø9.52)
Outdoor unit
B
Standard
Max.
Length
Elevation
(m)
B (m)
4 or 7.5
7
4 or 7.5
7
4 or 7.5
15
4 or 7.5
15
4 or 7.5
15
7.5
15
7.5
15
Oil trap
Indoor unit
- 57 -
Troubleshooting Guide
Max.
Additional
Length
Refrigerant
A (m)
(g/m)
15
20
15
20
30
20
30
20
30
30
30
30
30
50
Outdoor unit
A
B
In case more than 5m
LGE Internal Use Only