Gree GMV-60WL/C-T

DC Inverter Multi VRF System
7
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).
40
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):
—
Allowable value
Fitting pipe
m
feet
Total length (actual length) of fitting pipe
300
984
L1+L2+L3+a+b+c+d
Length of farthest fitting pipe
Actual length
120
394
L1+L2+L3+d
Equivalent length
150
492
From the 1st branch to the farthest indoor pipe
40
131
L2+L3+d
Height difference between ODU
and IDU
ODU at upper side
50
164
—
ODU at lower side
40
131
—
Height difference between IDUs
15
49
—