Service Manual 13
Installation
Piping Length and Elevation
7k, 8k, 9k
3/8"
1/4"
4 or 7.5
7
15
20
11k, 12k, 14k
1/2"
1/4"
4 or 7.5
7
15
20
1/2"
1/4"
4 or 7.5
15
30
20
18k, 24k, 26k
5/8"
1/4"
4 or 7.5
15
30
20
5/8"
3/8"
4 or 7.5
15
30
30
Pipe Size
Capacity
(Btu/h)
GAS
LIQUID
Max.
Length A (m)
Additional
Refrigerant (g/m)
Max.
Elevation B (m)
Standard
Length (m)
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 5m
CAUTION: Capacity is based on standard length and maximum allowance length is
on the basis of reliability.
Oil trap should be installed every 5~7 meters.
