Huawei IDS1000 User Manual page 52

IDS1000 Container Data Center
User Manual
A loop fault alarm is generated. No action needs to be taken.
Step 2 Power off the gas fire extinguishing controllers, and connect a new smoke detector.
Figure 7-1
Figure 7-1 Terminals on the base
Terminals (no polarity, two-wire)
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Step 3 Align the smoke detector indicator with B on the base, insert the smoke detector in the base,
and turn it clockwise until the smoke detector is firmly secured.
Step 4 Power on the gas fire extinguishing controller.
Issue 01 (2014-3-15)
shows the terminals on the sensor base.
1: L2 (connected to the common terminal)
2: L1 (connected to a lower-level device)
3: L1 (connected to an upper-level device)
4: reserved
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7 Parts Replacement
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