Grounding The Netcol8000-E - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
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Figure 3-13 Positions of the needle valves
(1) Liquid pipe needle valve 1
(3) Liquid pipe needle valve 2
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3.6 Grounding the NetCol8000-E

Ground lugs or ground cables can be used to ground the device. Select either of
the two options. The requirements are as follows:
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Issue 06 (2020-08-19)
If they do not exist, contact Huawei technical support.
If they exist, remove each valve bonnet and use it to press the valve plugs in
turn. If nitrogen is exhausted, the system is working properly. If no nitrogen is
exhausted, contact Huawei technical support.
Ground lug: use ground lugs made of hot-dip zinc-coated flat steel with a
cross-sectional area of 40 mm x 4 mm.
Ground cable: Use 95 mm
coated metal hose.
Copyright © Huawei Technologies Co., Ltd.
(2) Low-pressure needle valve 1
(4) Low-pressure needle valve 2
2
ground cables and route them through a plastic-
3 Installation Guide
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