Gree GMV-36WL/B-T(U)

Ultra Heat GMV5 User Manual
8
ODU
IDU
a
Equivalent length to the farthest
connection pipe(L≤150m/492ft）
Equivalent length from the 1st branch
to the farthest pipe(L<4om/131ft)
Height difference
between IDUs(h≤15m/49ft)
L1
IDU
The 1st
branch
section
Height difference between IDU and ODU(H≤50m/164ft)
Each Y-type branch equals to 0.5m(1-5/8ft) and each branch header equals to 1.0m(3-1/4ft).
IDU IDU
L2
L3
b
c
d
Fig.5 Allowable Length and Height Difference of Connection Pipe
Piping parameters of GMV-36WL/B-T(U)
、
GMV-48WL/B-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 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
——
4.2.3 Dimension of Pipe (Main Pipe) from ODU to the 1st Indoor Branch
Dimension of pipe from ODU to the 1
st
indoor branch will be determined by the dimension of
outdoor connection pipe.