NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
6 System Operation and Maintenance
Copyright © Huawei Technologies Co., Ltd.
Figure 6-13 Removing the drive
Step 8 Reinstall the drive by performing Step 3 to Step 7 in a reverse order.
Step 9 Power on the NetCol5000-A, choose Maint > Diagnostic Mode > Enter on the home page,
start the compressor, and check that the compressor works properly. Then exit the diagnostic
mode.
----End
6.5.4.2 Replacing a Danfoss Compressor Drive
Prerequisites
Before checking and maintaining the NetCol5000-A, ensure that the primary power supply to
the NetCol5000-A is disconnected and the drive has been placed without primary power
supply for 10 minutes. Otherwise, electric shocks may occur.
Recommended materials: Flat-head screwdriver, Phillips screwdriver, socket wrench
(M3 and M6), diagonal pliers, coils, new compressor drive.
Preparations: Switch off the outside main power input.
Procedure
Step 1 Open the rear door. Remove the filters, and switch off the general power input breaker QF1
and compressor circuit breaker QF3.
Step 2 Open the front door.
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