Warning Sign - Huawei FusionDC1000A Product Description

FusionDC1000A Prefabricated All-in-One Data
Center
Product Description (IT Scenario)
module or interwork with an extinguishant control panel to form a gas fire
extinguishing alarm system. If an incident occurs, the fire alarm horn strobe
generates a strong audible alarm signal once receiving the control signal to warn
onsite personnel.
Figure 7-13 Fire alarm horn strobe
Table 7-9 Technical specifications of the fire alarm horn strobe
Item
Blinking frequency
Alarm volume
IP rating
Operating voltage
Operating current
Operating temperature

7.11 Warning Sign

The device is connected to the release port of the extinguishant control panel or
starter. It is mounted at a prominent position on the door of the protected area.
When the extinguishant control device is started, the warning sign blinks, displays
FIRE ALARM DO NOT ENTER, and generates a sound to warn onsite personnel
away from the protected area.
Issue 04 (2023-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Specifications
Once each second
88+ dBA at 24 V
IP66
9–30 V DC
Max. 55 mA @ 24 V DC
–20°C to +70°C
7 Fire Extinguishing System
111