Huawei NetCol5000-A025 User Manual page 82

NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width)
Procedure
Step 1 Connect the pressure gauge, hose, and nitrogen cylinder. Install a reducing valve at
the outlet of the nitrogen cylinder, as shown in
the reducing valve must not be more than 3.0 MPa.
If the outlet pressure of the reducing valve is greater than 3.0 MPa, some parts of
the system may be damaged.
Figure 3-42 Leakage test with nitrogen
(1) Nitrogen cylinder
(4) High-pressure gauge
Issue 15 (2020-12-10)
NO TICE
Copyright © Huawei Technologies Co., Ltd.
Figure
(2) Reducing valve
(5) Discharge pipe needle
valve
3 Installation Guide
3-42. The outlet pressure of
(3) Low-pressure gauge
(6) Low-pressure needle valve
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