Fire Extinguishing System; Overview - Huawei FusionDC1000A Manual

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FusionDC1000A Prefabricated All-in-One Data

Center

Product Description (IT Scenario)

Figure 7-1 Fire linkage principle

● If the pre-fab. module catches fire, the extinguishant control panel sends dry contact signals

in the first stage alarm to the access actuator to release the access control.

● If the pre-fab. module catches fire, the extinguishant control panel sends 24 V DC signals in

the second stage alarm to the power distribution box used for switching off non-fire

extinguishing loads. Then the shunt release trips and the fresh air fan shuts down.

If the pre-fab. module catches fire, smoke and heat will trigger the smoke and

heat detectors, which will send fire alarm signals to the extinguishant control

panel. Upon receiving the fire alarm signals, the extinguishant control panel

counts down and then opens the electrical actuator on the fire extinguisher so

that the fire cylinder discharges extinguishing agent to the protection zone. At the

same time, the extinguishant control panel automatically reports alarms.

Issue 01 (2021-04-20)

Fire Extinguishing System

NO TE

7 Fire Extinguishing System

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