Replacing A Fire Extinguisher Cylinder (Ce) - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide
Figure 6-36 Connecting battery cables
Distinguish the positive and negative battery terminals when connecting battery
cables.
----End

6.4.9 Replacing a Fire Extinguisher Cylinder (CE)

Prerequisites
A spare fire extinguisher cylinder of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: pipe wrench, pallet truck, Phillips screwdriver, adjustable wrench, protective
gloves
Materials: spare fire extinguisher cylinder, sealing tape
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
● For the diagram, see the initial configuration parameter manual for the
solution in use.
● Before replacing the fire extinguisher cylinder, inform the related administrative
departments of the temporary downtime of the fire extinguishing system. In
addition, remove the cable connected to the 2ND STAGE NO terminal on the
extinguishant control panel to disable the linkage control function. After the
fire extinguisher cylinder is replaced, reconnect the cable to the 2ND STAGE
NO terminal on the extinguishant control panel to enable the linkage control
function, and inform the administrative departments that the system has
become operational.
Issue 03 (2022-12-15)
NO TICE
NO TICE
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