44
for North America
Photovoltaic Direct-driven VRF
6 Installation of Refrigerant Pipeline
6.1Allowable Length and Height Difference of Connection Pipe
NOTICE! Equivalent length of one Y-type branch is 0.5m(1-5/8feet).
a
The 1 branch section
L1
L2
L3
ODU
IDU
st
Piping parameters of GMV-36WL/B-T(U)
、
GMV-48WL/B-T(U):
Allowable value(m/feet) Fitting pipe
300(984) L1+L2+L3+a+b+c+d
(m)
Actual length 120(394)
L1+L2+L3+d
Equivalent length 150(492)
From the 1
st
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) —
6.2 Dimension of Pipe (Main Pipe) from ODU to the 1st Indoor Branch
Dimension of pipe from ODU to the 1st indoor branch will be determined by the dimension of outdoor connection pipe.
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