Huawei NetCol5000-A050 User Manual page 226

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Step 10 Weld the suction and discharge vents with the compressor using a welding torch,
as shown by (2) and (3) in
Step 11 Install the electric heating belt, remove the connection box cover, and reinstall the
cover after the compressor cables are connected.
Figure 11-23 Connecting cables to the electric heating belt and the compressor
Ensure that the phase sequence of the compressor input cable is consistent with
that on the compressor label. Otherwise, the compressor may be damaged.
Step 12 Perform a leakage test with nitrogen again. Refer to
Nitrogen for Refrigerant
Step 13 After checking that the smart cooling product does not leak, vacuumize the smart
cooling product and charge refrigerant. Refer to
Precharging
Step 14 Check that the phase sequences are correct before starting the system. Then
choose Maint > Diagnostic Mode > Enter to check the system pressure and
temperature and ensure the refrigerant is charged with an optimal system status.
Refer to
running normally without alarms.
Step 15 Install the air filter and close the rear door.
Step 16 Choose Maintenance > Performance Maintenance on the home screen of the
display module to access the performance maintenance screen, and clear the
runtime of the compressor.
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Issue 13 (2023-08-20)
NO TICE
Refrigerant.
4.7 Charging the Remaining
Copyright © Huawei Digital Power Technologies Co., Ltd.
Figure 11-22.
Pipes.
Refrigerant. Ensure that the system is
11 Parts Replacement
3.11 Leakage Test with
4.1 Vacuumizing and
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