Multi-Zone Gas Monitors
24 P/N: 3015-5074 Rev 11
Jumper the “Live/Positive” line of an external power source (DC devices) or the monitor’s AC input (AC
devices) to the “Common” terminal on the relay connector.
Connect the “Live/Positive” end of the strobe or horn to the “NO” terminal of whichever level of alarm is
appropriate for the application.
For protection, install an in-line fuse of the appropriate size and design for the external alarm device being
used.
The other end of the strobe or horn is connected to the “Neutral/Negative” leg of the external power
source (DC devices) or monitor’s AC input (AC devices).
Figure 2-14. Typical AC External Alarm Relay 1 Wiring
Figure 2-15. Typical DC External Alarm Relay 1 Wiring
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