8-5. Pipe selection
Piping size
Liquid Pipe
Gas Pipe
Outdoor unit ~ The first refnet joint piping
Refnet joint ~ Refnet joint piping
-
Refnet joint ~ Indoor unit piping
ø9.52mm X t0.8
-
-
ø19.05mm X t1.2 ø22.22mm X t1.2 ø25.40mm X t1.2 ø28.60mm X t1.2
ø28.60mm X t1.2
ø12.70mm X t0.8
ø12.70mm X t0.8
ø25.40mm X t1.2
6.0HP5.0HPCapacity of outdoor unit 7.0/7.5HP 8.0/10.0HP
Liquid
pipe
Gas
pipe
Capacity limit of
rear indoor unit
Capacity limit of
rear indoor unit
less than 16000W
more than 16000W
less than 9000W
9000W~16000W
16000W~21000W
more than 21000W
Liquid
pipe
Gas
pipe
Capacity limit of
rear indoor unit
Capacity limit of
rear indoor unit
less than 4700W
more than 4700W
less than 4700W
4700W~8500W
more than 8500W
ø9.52mm X t0.8
ø15.88mm X t1.0
ø19.05mm X t1.2
ø6.35mm X t0.7
ø9.52mm X t0.8
ø12.70mm X t0.9
ø15.88mm X t1.0
ø19.05mm X t1.2
. Installation
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8. Piping and refnet joint selection
44
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DVM TM(chapter5-2)_E<03759 6/14/02 2:22 PM Page 44
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