FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
6 Parts Replacement
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
138
Step 4
Connect the input wires with the two wires (polarity insensitive) of the fire alarm sounder and
wrap the connection points using insulation tape.
Cord end terminals are recommended if applicable.
Step 5
Install the new fire alarm sounder.
Step 6
Switch on the active and standby power supplies to the fire alarm control panel.
Step 7
Check whether the new fire alarm sounder is working properly.
Unlock the fire alarm control panel and press
ALARM BELL
. The fire alarm sounder should be
activated.
----End
Follow-up Procedure
Dispose of the removed fire alarm sounder that is confirmed faulty.
6.4.7 Replacing the Emergency Start/Abort Switch (Standard)
Prerequisites
The emergency start/abort switch needs to be replaced.
A spare emergency start/abort switch of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, flat-head screwdriver, protective gloves
Materials: spare emergency start/abort switch
Documents: fire extinguishing device layout diagram (standard)
Skill requirement: fire engineer