Sanyo SGP-E70J2GU2 - Selecting Branch Piping Sizes

Design
D - 7
3. Refrigerant piping design
Outdoor unit
Branch piping
Main piping
after branch
Piping connected to
indoor units
Indoor unit
Main piping
Main piping after branch Piping connected to indoor unit
Total allowable capacity of connected indoor units (kW)
Outdoor
unit
Outdoor piping size
35.6~
112.0
28.1~
35.5
16.1~
28.0
9.0~
16.0
Under
9.0
28.0 22.4
9.0~
16.0
4.5~
8.0
2.2~
3.6
Gas
25.4 25.4 19.05 15.88
- -
19.05 15.88 12.7
70 type
Liquid
12.7 12.7 9.52 9.52
- -
9.52 9.52 9.52
Gas
28.58 28.58 19.05 15.88
-
25.4 19.05 15.88 12.7
90 type
Liquid
12.7 12.7 9.52 9.52
-
12.7 9.52 9.52 9.52
Gas
31.75 31.75 28.58 19.05 15.88 28.58 25.4 19.05 15.88 12.7
120 type
Liquid
15.88 15.88 12.7 9.52 9.52 12.7 12.7 9.52 9.52 9.52
Gas
31.75 31.75 28.58 19.05 15.88 28.58 25.4 19.05 15.88 12.7
150 type
Liquid
19.05 19.05 15.88 12.7 9.52 9.52 12.7 12.7 9.52 9.52 9.52
Gas
38.1 38.1 31.75 28.58 19.05 15.88 28.58 25.4 19.05 15.88 12.7
190 type
Liquid
19.05 19.05 15.88 12.7 9.52 9.52 12.7 12.7 9.52 9.52 9.52
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(2) Selecting branch piping sizes