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Old 08-25-2015, 11:23 AM   #1
chengdave2003's Avatar
Join Date: Jun 2015
Posts: 35
Emergency CO/LP Alarm Cut Off Switch

My wife and I were camping without a shore tie this past week when the CO/LP alarm started beeping in the middle of the night. We weren't using the furnace, but we were using the refrigerator on propane. It would beep once every thirty seconds or so. The CO and LP light would light alternately. We cleared out of the camper and I grabbed the owners manual to read up on it. Turned out this particular alarm was a malfunction indication, not caused by CO or LP. I tried resetting it, but it would go back to the malfunction mode after warming up the sensor. I ended up disconnecting the power wire to the alarm to silence it. Testing the alarm when we got home it turned out the alarm was malfunctioning due to low voltage (this was also a possible explanation in the owners guide).

When we got home I wanted a way to silence the alarm without securing the lights, etc also attached to the same fused circuit. I dug around in my junk drawer and came up with a terminal strip and switch. I fabbed up a bracket for the switch and wired it in under the seat close to the back of the alarm. I also labeled the switch.

I am NOT suggesting to turn off the alarm in a real alarm situation, but only when it goes into a malfunction mode. I showed the installation to my wife and explained it's function in case she goes camping without me.

I plan to wire in a voltage meter and momentary switch inside the camper somewhere using the terminal strip to make it easier....

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