Huawei NetCol5000-A021 User Manual page 47

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Figure 3-11 Removing air filters
Step 3 Take out the desiccant bag.
Step 4 Check whether the needle valve bonnets shown in
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Issue 03 (2020-01-10)
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 air is
exhausted, the system is working properly. If no air is exhausted, contact Huawei
technical support.
Copyright © Huawei Technologies Co., Ltd.
Figure 3-12 exist.
3 Installation Guide
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