Gree GMV-V72W/A-F Owner's Manual page 29

Ultra Heat GMV Multi VRF
4.5.2 Additional refrigerant charging
Outdoor unit has been charged refrigerant before delivery.
If the pipeline is longer than 1m (39-3/8inch), please refer to the following table for charging amount
of refrigerant. (Liquid pipe prevails)
Total refrigerant charging amount R= Pipeline charging amount A + ∑charging amount B of every
module
(1) Pipeline charging amount
Added refrigerant quantity A for liquid piping = ∑Liquid pipe length × Added refrigerant quantity for
each meter (inch) of liquid pipe
28.6(1-1/8)
kg/m 0.680
OZ/inch 0.61
(2) ∑Refrigerant charging amount B of every module
Diameter of liquid pipe mm(inch)
25.4(1) 22.2(7/8)
0.520 0.350
0.47 0.31
Fig.29
Fig.30
19.05(3/4) 15.9(5/8)
0.250 0.170
0.22 0.15
25
12.7(1/2) 9.52(3/8)
0.110 0.054
0.10 0.05
6.35(1/4)
0.022
0.02