Huawei FusionDC1000A - Cooling System; System Overview

3.6.5 Fire Extinguishing System (CE)
NO TICE
● Semi-annual maintenance of the re extinguishing system involves system
commissioning. Before the maintenance, inform the related administrative
departments that the
re extinguishing system will be maintained and stop
working.
● Before maintaining the
re extinguishing system, remove the electrical actuator
from the container valve of the re cylinder. This prevents the extinguishant
release due to misoperations, and prevents accidental damage.
● After the maintenance, reconnect the electrical actuator, and inform the
administrative departments that the
re extinguishing system has become
operational.
Table 3-18 Semi-annual maintenance checklist for the re extinguishing system
Device Method Check Standard Maintenance Guide
Fire
extinguishing
system
commissioni
ng
Commission the re
extinguishing system
by following the
instructions in the
Fire Extinguishing
System
Commissioning (CE)
section in the
commissioning guide
for the solution in
use.
Devices work properly, and the
management system displays
related alarms.
Replace the
corresponding
component.
Fire alarm
bell
Flip the key to
Enable Control on
the extinguishant
control panel
rightward. Press
Silence/Sound
Alarm to start or
abort the
re alarm
bell. Reset the key to
Enable Control by
ipping it leftward.
The alarm bell rings normally.
The alarm bell rings loud and
clear when it is started.
1. Check and reconnect
cables to the re
alarm bell.
2. If the fault persists,
replace the re alarm
bell.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 3 Routine Maintenance
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 47