The working principle of the re detection and extinguishing equipment is as
follows:
● The re-trace tube is temperature-sensitive and is routed and xed along the
side wall of the cabinet. The detection radius of the re-trace tube is 1 m.
● When a re occurs, the heat of the re or the direct ame impact will break
the tube, so that the extinguishant is directly released to the trigger point to
put out the
re.
● Its design, installation, and maintenance comply with the NFPA 2001
Standard on Clean Agent Fire Extinguishing Systems.
Figure 7-7 Fire-trace tube route in the SmartLi
In the FusionDC1000, battery modules are deployed in half of the SmartLi cabinet. The re-
trace
tubes are routed in the same way. The following gure uses full-capacity cabinet
deployment as an example.
FusionDC1000A Prefabricated All-in-One Data
Center
Product Description (IT Scenario) 7 Fire Extinguishing System
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 98
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