Checking The Nitrogen Pressure - Huawei NetCol8000-C190 User Manual

NetCol8000-C190 In-room Chilled Water Smart
Cooling Product
User Manual (2022, Singapore STT)

3.4.1 Checking the Nitrogen Pressure

Context
The equipment has been injected with 0.3–0.5 MPa nitrogen before delivery. Check
the gas pressure for nitrogen leakage.
Procedure
Step 1 Open the front door.
Step 2 Check whether the bonnet of the drainage valve inside the cabinet is missing.
●
●
Issue 02 (2022-03-30)
If it is missing, contact 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 gas flows out, the system
is normal. If no gas flows out, contact technical support.
Copyright © Huawei Technologies Co., Ltd.
3 Installation
32