Selecting Branch And Header Piping - Sanyo SGP-EW120M2G2W Technical Data Manual

System Design

(4) Selecting branch and header piping

1) When a branch pipe set is used
Select the branch set from the following table.
* For details, see the section on items sold separately.
Total capacity
Max. piping length
Up to 90m equivalent length
Over 90m equivalent length APR-P160BG
2) Header piping sets
Select the header piping set from the following table.
* For details, see the section on items sold separately.
Total capacity
Max. piping length
Up to 90m equivalent length
Over 90m equivalent length
When maximum piping length (L1) exceeds 90m (equivalent length), or if interior unit connected
*
capacity exceeds 130% of outdoor unit capacity, increase the diameter of both liquid and gas pipes
(LA) by one size.
Be careful when selecting pipe sizes, as the wrong size may impair performance.
Up to 16 kW 16.1 – 22.4 kW 22.5 – 35.5 kW 35.6 – 45.0 kW
APR-P160BG
APR-P680B
Types 120 and 150
SGP-HCH280K
D-10
3. Refrigerant piping design
APR-P680BG
Types 190 and 224
SGP-HCH560K
SGP-HCH560K
45.1+ kW
APR-P1350BG
APR-P1350BG