Standard piping specification Existing piping specification (
piping)
Heat
pump
type
Cooling
only type
Liquid
piping
Gas
piping
Gas
charge-
less
length
Additional
gas volume
Liquid
piping
Gas
piping
Gas
charge-
less
length
(Ømm) (Ømm) (mm) (g/m) (Ømm) (Ømm) (m)
CU-
A24BBP5
CU-
C24BBP5
6.35 15.88 30 20 9.52 15.88 13
CU-
A28BBP5,8
CU-
C28BBP5,8
9.52 15.88 30 50 12.7 15.88 17
CU-
A34BBP5,8
CU-
C34BBP5,8
9.52 19.05 30 50 12.7 19.05 17
CU-
A43BBP8
CU-
C43BBP8
9.52 19.05 30 50 12.7 19.05 17
CU-
A50BBP8
CU-
C50BBP8
9.52 19.05 30 50 12.7 19.05 17
Attention
- Please do not decrease the gas piping size. (It causes the
breakdown of the compressor)
- The equivalent piping length and the cooling and heating capacity
change rate are same as the standard piping / specification.
11. OPERATING CHARACTERISTIC
11.1. OPERATING CHARACTERISTIC
HEAT PUMP MODEL
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