Gree NCHS1B(U) - Page 132

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size of the liquid pipe of IDU (only for the pipe size that is
≤
6.35mm(1/4inch).
10.3 Connection Pipe among Outdoor Modules
There should be no height drop among outdoor unit.
H＞0
H＝0
A
B
≥0.2m(7-7/8inch)
≤0.25m(9-5/6inch)
≤2m(78-3/4inch)
NOTES:
When the distance between outdoor units exceeds 2m(6-5/9feet), U-type oil trap should be
added at low-pressure gas pipe. A+B
≤
10m(32-4/5feet).