Chapter 2: Installation and configuration
20 LaserSense 100 Aspirating Smoke Detector Installers Handbook
Relay connections
The detector includes a Fire relay (corresponding to the Fire 1 alarm level), which
closes on alarm, and a general Fault relay, which opens on any fault condition or
on power-down (see Figure 12 below). The relays are of the volt-free type, with a
maximum current capacity of 500 mA at 30 VDC. Connect the screen of the relay
cables to the ground stud of the detector.
Figure 12: Fault and Fire relay contacts
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