Routing Refrigerant Pipes - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual

3.5.3 Routing Refrigerant Pipes

Routing refrigerant pipes
To minimize the noise due to vibration, perform the following operations:
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Figure 3-35 Routing the refrigerant pipe (unit: mm)
When selecting the refrigerant pipes, note the following:
1.
2.
Issue 12 (2020-10-28)
When the direction of the refrigerant pipe is changed, add a support at the
position that is 500 mm away from the changing point.
When the refrigerant pipe is straight, add a support every 1500 mm.
NO TE
Onsite personnel prepare the required materials and install the supports.
Avoid elbows and ensure that the indoor unit and the outdoor unit are
connected by using shortest pipes.
Calculate the number of the components that cause local resistance loss, for
example, elbows, and convert them into the equivalent length to straight
pipes.
Table 3-10 Equivalent length of components
Pipe Outer 45-degree
Diameter Bends
(in)
-
3/8 0.12 m
1/2 0.14 m
5/8 0.17 m
3/4 0.2 m
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90-degree 180-degree
Bends Bends
0.2 m 0.4 m
0.25 m 0.5 m
0.3 m 0.6 m
0.35 m 0.7 m
3 Installation Guide
T-Junction
0.6 m
0.65 m
0.7 m
0.8 m
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