GMV Heat Recovery DC Inverter VRF
25
(3) For single-module system
Select appropriate pipe between outdoor unit and the first indoor branch (“L”) as per the pipe
size of outdoor unit. Pipe size of basic outdoor module is shown as follows:
Between outdoor unit and the first indoor branch
：
Basic module
Pipe between outdoor unit and the first indoor branch
Low pressure gas pipe
Liquid pipe (mm) High pressure gas pipe (mm)
Φ15.9
Φ15.9
(4) For multi-module system
1
）
select appropriate branch (“M1,M2,M3”)connected to outdoor module as per the pipe size
of basic outdoor module. Pipe size of basic outdoor module is shown as follows:
Pipe between module and outdoor branch “M1,M2,M3”
Basic module
Size of the pipe between module and outdoor branch
Low pressure gas pipe
Liquid pipe (mm) High pressure gas pipe (mm)
Selection of branch “Y1,Y2”of outdoor modules:
—
Selection of branch of outdoor modules
2
）
Size of connection pipe “M4” between branches of each basic module.
Size of connection pipe between branches of each basic module is determined by the total
rated capacity of upstream modules.
Connection pipe “M4” between branches of outdoor module
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