Leakage Test With Nitrogen - Huawei NetCol5000-A050 User Manual

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual (1350 mm Depth)
Figure 4-48 Installing the drainpipe
Step 5 (With a wet film humidifier) Clean the engineering pipe, connect the reserved
humidifier water inlet pipe to the engineering pipe, and wrap the pipe with
thermal insulation foam.
Figure 4-49 Connecting the humidifier water inlet pipe (rigid pipe connection)
Figure 4-50 Connecting the humidifier water inlet pipe (hose connection)
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4.8 Leakage Test with Nitrogen

● Refrigerant pipes have been welded.
● All needle valve plugs must be available.
● During pressure preservation, do not remove the rubber hoses and pressure
gauges; otherwise, nitrogen may leak.
● The outlet pressure of the reducing valve should be within 3.0 MPa; otherwise,
components may be damaged.
Issue 04 (2022-12-15)
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