Gree GMV-60WL/C-T Owner's Manual page 10

DC Inverter Multi VRF System
4.2.2 Allowable Length and Height Difference of Connection Pipe
Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown
in Fig.4.3 below.
Equivalent length of one Y-type branch is 0.5m(1-5/8feet).
Fig.4.3 Allowable Length and Height Difference of Connection Pipe
Piping parameters of GMV-36WL/C-T(U), GMV-48WL/C-T(U), GMV-60WL/C-T(U):
Total length (actual length) of fitting pipe
Length of farthest fitting pipe
From the 1st branch to the farthest indoor pipe
Height difference between ODU
and IDU
Height difference between IDUs
—
Actual length
Equivalent length
ODU at upper side
ODU at lower side
40
Allowable value
m feet
300 984
120 394
150 492
40 131
50 164
40 131
15 49
7
Fitting pipe
L1+L2+L3+a+b+c+d
L1+L2+L3+d
L2+L3+d
—
—
—