Gree GMV-72WM/B-U Owner's Manual page 22

GMV DC Inverter VRF
Total rated capacity of outdoor
modules (multi-modular system)
GMV-144WM/B-U(U)
GMV-168WM/B-U(U)
GMV-192WM/B-U(U)
GMV-216WM/B-U(U)
GMV-240WM/B-U(U)
GMV-264WM/B-U(U)
GMV-288WM/B-U(U)
GMV-312WM/B-U(U)
GMV-336WM/B-U(U)
GMV-360WM/B-U(U)
4.3.5.5 Manifold at indoor unit side
Manifold at indoor unit side can be selected as per total capacity of downstream indoor unit(s).
Refer to the following table.
R410A Refrigerant System
Y-type Manifold
T- type Manifold
Pipe between ODU and the first branch of IDU
Gas pipe size mm(inch)
Φ28.6(1-1/8)
Φ28.6(1-1/8)
Φ28.6(1-1/8)
Φ28.6(1-1/8)
Ф34.9(1-3/8)
Ф34.9(1-3/8)
Ф34.9(1-3/8)
Ф34.9(1-3/8)
Ф34.9(1-3/8)
Ф41.3(1-5/8)
Fig.4.3.12
Total capacity of downstream indoor
unit(s) C (kBtu/h)
C<68
68≤C≤102
102<C≤239
239<C
C≤136
C≤232
232<C
18
Liquid pipe size mm(inch)
Φ12.7(1/2)
Φ15.9(5/8)
Φ15.9(5/8)
Φ15.9(5/8)
Φ15.9(5/8)
Ф19.05(3/4)
Ф19.05(3/4)
Ф19.05(3/4)
Ф19.05(3/4)
Ф19.05(3/4)
Model
FQ01A/A
FQ01B/A
FQ02/A
FQ03/A
FQ14/H1
FQ18/H1
FQ18/H2