Does anybody know what the monitoring voltage is on Kidde panels outputs? Possibly addressable but the details are hazy from another engineer who's actually been to site. Is it 15v? We have another company's Kidde fire panel signalling into our communicator via a 24v relay. Into the relay coil side is 15v and we have intermittent spurious fire signals lasting approx 1 second from our communicator as a result. I'm wondering if the 15v is a little high and might operate the 'cheap' 24v relay into our communicator. Our engineer has disconnected from the relay output and the signals fires and restores as expected to the arc.
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