Pipe Selection - Samsung Electronics DVM Series Technical Manual

. Installation
8. Piping and refnet joint selection

8-5. Pipe selection

Capacity of outdoor unit
Piping size
Liquid Capacity limit of
pipe
rear indoor unit
Gas
Capacity limit of
pipe
rear indoor unit
Liquid Capacity limit of
pipe
rear indoor unit
Gas
Capacity limit of
pipe
rear indoor unit
5.0HP
Outdoor unit ~ The first refnet joint piping
Liquid Pipe
Gas Pipe ø3/4" X t1.2
Refnet joint ~ Refnet joint piping
less than 55,000 Btu/h
more than 55,000 Btu/h
less than 31,000 Btu/h
31,000 ~ 55,000 Btu/h
55,000 ~ 72,000 Btu/h
more than 72,000 Btu/h
Refnet joint ~ Indoor unit piping
less than 16,000 Btu/h
more than 16,000 Btu/h
less than 16,000 Btu/h
16,000 ~ 30,000 Btu/h
more than 30,000 Btu/h
42
6.0HP 7.0/7.5HP
ø3/8" X t0.8
ø7/8" X t1.2 ø1" X t1.2
ø3/8" X t0.8
-
ø5/8" X t1.0
ø3/4" X t1.2
-
-
ø1/4" X t0.7
ø3/8" X t0.8
ø1/2" X t0.9
ø5/8" X t1.0
ø3/4" X t1.2
8.0/10.0HP
ø1/2" X t0.8
ø1 1/8" X t1.2
ø1/2" X t0.8
ø1" X t1.2
ø1 1/8" X t1.2