Huawei NetCol8000-E220 User Manual page 50

Modular indirect evaporative cooling system
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NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Figure 3-25 DN40 spray drainpipe dimensions (unit: mm)
(1) PPR external thread connector G
(1–1/2 inch)
Installing Water Pipes
Take out the condensate water traps from attachment, and install them to 1, 2, and 3 in
3-26.
Use DN20 PPR pipes or stainless steel pipes and connectors G with 3/4 inch external threads
onsite to prepare water inlet pipes. If galvanized steel pipes are used, stainless steel
connectors must be used to ensure sealing.
Issue 02 (2019-10-10)
Clean the external water pipes before connecting them to the water inlet and outlet pipes
of the coil pipes of the NetCol8000.
Connect the water inlet and outlet pipes of the NetCol8000 using thread connectors. When
connecting the water pipe, do not exert excessive force to prevent damage to the coil pipe.
(When connecting the pipes provided with the NetCol8000, use two pipe wrenches or
chain pliers.)
Copyright © Huawei Technologies Co., Ltd.
(2) PPR equal-diameter
elbow
3 Installation Guide
(3) PPR pipe (Φ50
mm)
Figure
42

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