Huawei NetCol5000-A User Manual page 148

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
(1) Liquid pipe needle
valve
(4) Nut

Issue 13 (2019-01-15)
Figure 5-2 Vacuumizing the cooling system without configuring low-temperature
component
If the low-temperature component is connected, vacuumize the cooling system from the
three positions (liquid pipe needle valve, low-pressure needle valve, and discharge pipe
needle valve) at the same time, as shown in
Copyright © Huawei Technologies Co., Ltd.
(2) Low-pressure needle
valve
(5) High-pressure gauge
valve
Figure
5 Power-On Commissioning
(3) Low-pressure gauge
valve
(6) Vacuum pump
5-3.
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