Huawei NetCol8000-E220 User Manual page 52

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Pipe Anti-freezing
Condensate drainpipes and water refill pipes may freeze and thereby be blocked or crack in
low-temperature areas. Anti-freezing measures must be taken for the pipes.
Wrap the pipes with an electric trace heater, starting from the water refill and drain ports to
the frozen soil layer. Bury the remaining pipes underground (the temperature at a specific
depth underground is always above 0° C).
Figure 3-28
low-temperature areas.
Figure 3-28 Pipe anti-freezing solution
(1) Trap
(3) Water refill
pipe
(5) Soil
Figure 3-29 Requirements for wrapping the electric heating belt
Issue 02 (2019-10-10)
shows the anti-freezing solution for water refill pipes and drainpipes in
(2) Electric heating belt
(4) Drainpipe (The end needs to be connected to the utility
drainpipes.)
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3 Installation Guide
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