GMV DC Inverter VRF
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(2) The drop and the length of the pipe between the outdoor units are as follows.
Unit: m
Fig.3.3.7
Note
When the distance A+B between the outdoor modules exceeds 2m, U-type oil trap should be
added at low-pressure gas pipe and is no more than 2m away from the outdoor manifold, and
A+B≤10m. The height drop among the outdoor units is 0m.
3.3.5 Pipe Selection
Fig.3.3.8
(1) When its modular units connection, the ODU must be installed in capacity order: ODU 4≥ODU
3≥ODU 2≥ODU 1.
(2) Pipe "A" between the outdoor unit and the manifold of outdoor unit.
The pipe size is based on the capacity of upstream module.
Basic module
Pipe between ODU and the first branch of IDU
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