Huawei FusionModule1000B V100R003C00 Commissioning Manual page 54

Water-cooled it solution
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FusionModule1000B Water-Cooled IT Solution
Commissioning Guide
Preparations
Tools: multimeter, smoke pistol, heating device, Phillips screwdriver, flat-head screwdriver
Documents: fire extinguishing system conceptual diagram (standard), fire extinguishing
device layout diagram (standard)
Skill requirement: fire engineer
Procedure
Step 1 Disconnect cables from the electromagnetic valve.
Figure 7-1 Disconnecting cables from the electromagnetic valve
Step 2 Switch on the active and standby power supplies to the fire alarm control panel.
Step 3 Check whether the fire alarm control panel displays any alarm. If an alarm is displayed, clear
the alarm before performing follow-up operations.
Step 4 Press KEY ON/OFF, QUERY TIME, and MANUAl/AUTO in turn to set the fire alarm
control panel to the automatic mode.
Issue 02 (2017-01-10)
Before commissioning the fire extinguishing system, disconnect all control cables to fire
cylinder electromagnetic valves to avoid extinguishant release and damage to equipment
due to misoperations during the commissioning. After the commissioning is completed,
reconnect cables to the electromagnetic valves.
Do not remove the safety pin before the fire extinguishing system is commissioned;
otherwise, extinguishant may be released due to misoperations.
To avoid damaging the detector probe, keep a proper distance between the heating device
and the heat detector probe.
For the diagrams, see the initial configuration parameter manual for the solution in use.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 System Commissioning
48

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