Procedure
Step 1 Check whether the low-temperature component is connected.
● 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 Figure 5-2.
Figure 5-2 Vacuumizing the cooling system without
conguring low-temperature
component
(1) Liquid pipe needle valve (2) Low-pressure needle valve (3) Low-pressure gauge valve
(4) Nut (5) High-pressure gauge valve (6) Vacuum pump
● 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 Figure
5-3.
NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width) 5 Power-On Commissioning
Issue 17 (2020-10-22) Copyright © Huawei Technologies Co., Ltd. 140
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