DC Inverter Multi VRF System
10
NOTE
Equivalent length of one Y-type branch is 0.5m (1-5/8feet).
Fig.14 Allowable Length and Height Difference of Connection Pipe
Piping parameters of GMV-12WP/A-T(U)
—
Allowable value
Fitting pipe
m
feet
Total length (actual length) of fitting pipe
30
98-3/8
L1+a+b
Length of farthest fitting pipe (m)
Actual length
30
98-3/8
L1+b
Equivalent length
30.5
100-1/8
From the 1
st
branch to the farthest indoor pipe
15
49-2/8
b
Height difference between ODU and IDU
ODU at upper side
15
49-2/8
—
ODU at lower side
15
49-2/8
—
Height difference between IDUs
10
32-6/8
—
4.4.3 Dimension of Pipe (Main Pipe) from ODU to the 1
st
Indoor Branch
Dimension of pipe from ODU to the 1
st
indoor branch will be determined by the dimension of
outdoor connection pipe.
Fig.15
Dimension of outdoor connection pipe
Basic module
Pipe dimension
Gas pipe (mm/inch)
Liquid pipe (mm/inch)
GMV-12WP/A-T(U)
Φ
12.7
(Φ1/2)
Φ
6.35
(Φ1/4)
Summary of Contents for GMV-12WP/A-T
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