Huawei NetCol5000-A035 User Manual page 150

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width)
Procedure
Step 1 Check whether the low-temperature component is connected.
●
Figure 5-2 Vacuumizing the cooling system without configuring low-temperature
component
(1) Liquid pipe needle valve
(4) Nut
●
Issue 17 (2020-10-22)
If the low-temperature component is not connected, vacuumize the cooling
system from the two positions (liquid pipe needle valve and low-pressure
needle valve) at the same time, as shown in
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
5-3.
Copyright © Huawei Technologies Co., Ltd.
Figure
(2) Low-pressure needle valve (3) Low-pressure gauge valve
(5) High-pressure gauge valve (6) Vacuum pump
5 Power-On Commissioning
5-2.
Figure
140