Replacing The Fire Cylinder In The Lithium Battery Cabinet - Huawei FusionDC1000A Maintenance Manual

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
Step 11 Connect the interconnection terminals on the electrical actuator to the
extinguishant control panel.
Step 12 Switch on the input circuit breaker of the extinguishant control panel and connect
the battery cables to power on the panel.
----End
Follow-up Procedure
Dispose of the removed fire cylinder that is confirmed faulty.
4.5.10 Replacing the Fire Cylinder in the Lithium Battery
Cabinet
Preparations
Before the replacement, ensure that the load services are not affected or obtain
written consent from the customer.
Tools: insulated socket wrench, insulation gloves, Phillips screwdriver, key to the
cabinet door, torque wrench, pipe cutter, and pipe holder
Materials:
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Procedure
Step 1 Check that the fire cylinder valve is closed (vertical to the cylinder).
Figure 4-109 Checking the fire cylinder valve
Issue 01 (2021-04-20)
Check the fire cylinder and all components for any damage, abrasion, or
corrosion. If there is any visible abrasion or corrosion, replace the damaged
components and all corroded components.
Check that the valve is closed (vertical to the cylinder).
Fill the fire cylinder with extinguishant. The recommended extinguishant is
heptafluoropropane.
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