![background image](http://html.mh-extra.com/html/huawei/fusiondc1000a/fusiondc1000a_maintenance-manual_168032065.webp)
Procedure
Step 1 Switch off the upstream circuit breaker for the power PDB.
Step 2 Power off the power PDB based on the power supply and distribution system
diagram.
Step 3 Remove cables using a socket wrench and Phillips screwdriver.
Step 4 Remove screws securing the power PDB and remove the power PDB.
Step 5 Secure the new power PDB and connect cables correctly.
----End
4.2 Replacing Cooling System Components
4.2.1 Replacing Components for the Cooling System
NO TICE
● For details about how to replace components for the cooling system, see the
user manuals for the components.
● During smart cooling product parts replacement, the system may need to be
powered off. Take measures to prevent device overheating.
For details about parts replacement for smart cooling products, see the section
"Parts Replacement" in the smart cooling product user manual.
Table 4-2 Replacing cooling system components
Device
Component Name
NetCol5000-A025 In-row Air Cooled
Smart Cooling Product
Air filter
Indoor fan
Differential pressure switch
Compressor
Dryer filter
(Optional) Wet film humidifier
(Optional) Humidifier cylinder
Electric control box
Temperature and humidity (T/H)
sensor
Module
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
4 Parts Replacement
Issue 01 (2021-04-20)
Copyright © Huawei Technologies Co., Ltd.
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