Table of Contents
Advertisement
NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Figure 3-31 Positions of needle valves
(1) Liquid pipe needle
valve
Procedure
Step 1 Remove the bonnets of the liquid pipe needle valve, low-pressure needle valve, and discharge
pipe need valve in turn, as shown in
You will hear a sound of strong air flow when air is being exhausted.
Step 2 Connect a hose to the liquid pipe needle valve, low-pressure needle valve, and discharge pipe
need valve in turn to slowly exhaust nitrogen.
Step 3 Reinstall the valve bonnets until no air exhausts from the needle valves.
----End
Issue 03 (2020-01-10)
(2) Discharge pipe needle
valve
Figure
Copyright © Huawei Technologies Co., Ltd.
(3) Low-pressure needle
valve
3-31.
3 Installation Guide
58
Advertisement
Table of Contents
