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FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-07-15)
Copyright © Huawei Technologies Co., Ltd.
29
Item
Component
Reference Document
Circuit breaker
UIM
Battery temperature sensor
TP481200B-N20B1/TP4812
00B-N20B2
Rectifier
TP482000B V300R002C03
Central Office Power
System User Manual
(TP482000B-N20B1,TP482
000B-N20B2,TP481200B-N
20B1 and
TP481200B-N20B2)
SMU05A
Power Distribution
Monitoring Unit
AC SPD
Circuit Breaker
Fuse
4.1.2 Replacing an Input PDF Component
4.1.2.1 Replacing an ATS Controller (02404913)
Prerequisites
A spare ATS controller of the same model is available and functional.
Impact on the System
Certain services of the FusionModule1000 are interrupted.
Preparations
Tools: Phillips screwdriver, flat-head screwdriver, key to the PDF door, step ladder
Materials: spare ATS controller
Documents: documents delivered with the PDF
Skill requirement: power distribution engineers
Procedure
Step 1
Open the front door of the PDF, turn off the output switches in the PDF, and turn off the
upstream and downstream switches.
Step 2
Remove the protective panel of the PDF.
Step 3
Remove the cables at the ATS controller top and label them, as shown by (1) in Figure 4-1.
Step 4
Loosen the knob at the left of the ATS controller to remove the controller, as shown by (2)
and (3) in Figure 4-1.