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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.
71
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 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 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.
Figure 4-37
Position of the
2ND STAGE NO
terminal
Procedure
Step 1
Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Step 2
Move the new fire cylinder using a pallet truck to a position near the pre-fab. module door.
Do not impact or strike the fire cylinder during transportation or installation.
Assign sufficient people for transportation and installation if no auxiliary tool is available.
Step 3
Disconnect the interconnection terminals on the electrical actuator from the extinguishant
control panel. Remove the electrical actuator by rotating it counterclockwise.
Step 4
Disconnect the fire cylinder and fire extinguishing pipeline.
1.
Remove the high-pressure hose.
2.
Remove the I-shaped connection pipe.