Gree GMV-VQ280WM/C-X Owner's Manual page 31

GMV Heat Recovery DC Inverter VRF
Total rated capacity of
upstream modules: Q (kW)
40.0≥Q>33.5
45.0≥Q>40.0
68.0≥Q>45.0
96.0≥Q>68.0
135.0≥Q>96.0
186.0≥Q>135.0
Q>186
(6) Size of connection pipe "L" between the terminal outdoor branch and the first indoor branch
Connection pipe "L"between outdoor unit and the first indoor branch.
Total rated capacity of
upstream modules: Q (kW)
25.2≥Q
28.0≥Q>25.2
33.5≥Q>28.0
40.0≥Q>33.5
45.0≥Q>40.0
68.0≥Q>45.0
96.0≥Q>68.0
135.0≥Q>96.0
186.0≥Q>135.0
Q>186
(7) Branch selection of mode exchanger
Select branch of mode exchanger as per total capacity of downstream indoor unit(s). Please
refer to the following table.
Model selection for branch "A1,A2" of mode exchanger；
R410A refrigerant system
Y-Type Branch Pipe
(8) Piping size among upstream branches of heat pump mode exchanger ("n1,n2,n3,n4")
Piping requirement among upstream branches of mode exchanger ("n1,n2,n3,n4")
Total rated capacity of
downstream indoor units: X
(kW)
X≤5.0
<
5.0 X≤14.2
<
14.2 X≤25.2
Size of connection pipe between branches of outdoor module
Low pressure gas pipe (mm)
Φ25.4
Φ28.6
Φ28.6
Φ31.8
Φ38.1
Φ41.3
Φ44.5
Size of connection pipe between branches of outdoor module
Low pressure gas pipe (mm)
Φ19.05
Φ22.2
Φ25.4
Φ25.4
Φ28.6
Φ28.6
Φ31.8
Φ38.1
Φ41.3
Φ44.5
Total capacity of the downstream indoor unit X (kW)
X≤5.0
5.0<X≤25.2
25.2<X≤28.0
28.0<X≤68.0
68.0<X≤96.0
96.0<X≤135.0
135.0<X
Size of connection pipe between branches of mode exchanger
Low pressure gas pipe (mm)
Φ12.7
Φ15.9
Φ19.05
27
Liquid pipe (mm) High pressure gas pipe (mm)
Φ12.7
Φ12.7
Φ15.9
Φ19.05
Φ19.05
Φ19.05
Φ22.2
Liquid pipe (mm) High pressure gas pipe (mm)
Φ9.52
Φ9.52
Φ12.7
Φ12.7
Φ12.7
Φ15.9
Φ19.05
Φ19.05
Φ19.05
Φ22.2
Liquid pipe (mm) High pressure gas pipe (mm)
Φ6.35
Φ9.52
Φ9.52
Φ22.2
Φ22.2
Φ25.4
Φ28.6
Φ31.8
Φ38.1
Φ41.3
Φ15.9
Φ19.05
Φ19.05
Φ22.2
Φ22.2
Φ25.4
Φ28.6
Φ31.8
Φ38.1
Φ41.3
Model
FQ01Na/A
FQ02Na/A
FQ03Na/A
FQ04Na/A
FQ05Na/A
FQ06Na/A
FQ07Na/A
Φ12.7
Φ12.7
Φ15.9