Huawei NetCol8000-C070 User Manual page 47

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Procedure
Step 1 Open the front door.
Step 2 Check whether the bonnet of the drainage valve inside the cabinet is missing.
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Figure 3-10 Upflow needle valve
(1) Exhaust valve
Issue 02 (2020-08-30)
If yes, contact Huawei technical support.
NO TICE
– In scenarios of multiple modules, you can perform such operations on any
exhaust valve or drainage valve.
– You can open or close the exhaust valve using a flat-head screwdriver.
If no, rotate the exhaust valve counterclockwise. If air flows out, the system is
normal. If no air flows out, contact Huawei technical support.
Copyright © Huawei Technologies Co., Ltd.
(2) Drainage valve
3 Installation Guide
39