Installation Manual
27
Installation
Piping Length and Elevation
18k
Ø12.7
1/2
Ø6.35
1/4
7.5
15
20
20
22k, 24k, 28k Ø15.88
5/8
Ø9.52
3/8
7.5
15
30
35
Pipe Size
Capacity
(Btu)
GAS
LIQUID
mm
inch
mm
inch
Additional
Refrigerant (g/m)
Standard
Length
(m)
Max.
Elevation
B (m)
Max.
Length
A (m)
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
Capacity is based on standard length and maximum allowable length is on the basis of reliability.
Additional refrigerant must be charged after 7.5m.