Propane sensor alarm malfunction - Page 3 - Escape Trailer Owners Community

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Old 07-30-2016, 02:56 PM   #21
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Isn't the off-gassing from charging hydrogen? Doesn't seem like it would sink to the floor to set off the alarm.
Ours went off probably a year after we picked up in 2014. I disconnected it and just had it replaced in June.
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Old 07-30-2016, 03:16 PM   #22
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Just talking about enough gas to set of an alarm, not become toxic or cause an explosion. The gas will probably go wherever it is pulled. The MaxxFan in the ceiling or the chimney effect of a heated trailer will suck in air from all kinds of unsealed or poorly sealed areas. It is possible that a slight vacuum could suck air from the battery box vent tube into the box and out of a poorly sealed box into the trailer. It seems somewhat possible that if the box is close to the detector it could suck the gas through the detector vents causing the alarm. A very calm night or a slight breeze into the battery vent, and, I think much more gassy golf cart batteries could be the problem.
On the 5.0 TA with the U shaped dinette are the batteries in the same location or are they moved farther back?
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Old 07-30-2016, 03:43 PM   #23
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I just remember refilling a golf cart battery bank once and the caps just easily popped off. My car batteries caps need to be pried off with the help of a screwdriver.
That's the difference between a normal flooded lead-acid battery (which includes all flooded deep-cycles) and a "low maintenance" or "no maintenance" flooded lead-acid automotive battery. The deep cycle battery requires electrolyte maintenance (adding water), and the caps are designed for that. For the car, they know you're not going to maintain it, and the caps are not designed to be removed. They're both similarly vented.
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Old 07-30-2016, 03:52 PM   #24
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Battery will charge whether the battery switch is on or off. Solar goes direct to battery and I'm not sure but shore power will probably continue to charge the battery with switch off, but someone else can confirm that one way or another.
The purpose of the disconnect switch is to keep power from flowing from the battery to the circuits connected to the fuse panel.

The connection between the converter and the DC power distribution fuse panel is internal to the converter box; the disconnect switch between the battery and the fuse panel is outside of the converter box. I think it's reasonable to assume that the disconnect switch will disconnect the converter from the battery... because to allow continued charging with the switch off the output wire from the converter would need to come out of the converter box and connect to the battery's side of the disconnect switch (like the solar charger output).
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Old 07-30-2016, 03:57 PM   #25
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Originally Posted by SFDavis50 View Post
Just talking about enough gas to set of an alarm, not become toxic or cause an explosion. The gas will probably go wherever it is pulled. The MaxxFan in the ceiling or the chimney effect of a heated trailer will suck in air from all kinds of unsealed or poorly sealed areas. It is possible that a slight vacuum could suck air from the battery box vent tube into the box and out of a poorly sealed box into the trailer. It seems somewhat possible that if the box is close to the detector it could suck the gas through the detector vents causing the alarm. A very calm night or a slight breeze into the battery vent, and, I think much more gassy golf cart batteries could be the problem.
On the 5.0 TA with the U shaped dinette are the batteries in the same location or are they moved farther back?
In my 5.0TA, I do have dual 6 volt batteries. They are located on the passenger (door) side of the trailer, under the rear bench. It is my understanding that without the wrap around dinette, they are under the passenger side bench.
When I was discussing the situation with the alarm manufacturer, I specifically asked about hydrogen gas setting off the alarm and was told yes, hydrogen from charging batteries could/would set it off. The alarm is no more than 3-feet from the battery box in an enclosed space. While I have never smelled propane, hydrogen is odorless. And I agree that it is likely minute amounts of something, not enough to be toxic or explosive, just enough to be a PITA! Otherwise, I would not have installed a switch to override a safety device when it is being an annoyance.
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Old 07-30-2016, 04:01 PM   #26
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I have a 2011 17 & had to replace the propane detector 2 years ago. No pets, (although I did eat beans every once in a while). It would go off with the propane turned off at the tanks overnight parked at home with no one in the trailer. After my neighbor almost called the fire department, I replaced it. Knock on wood, the new one (a combined propane & CO detector) has functioned normally.
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Old 07-30-2016, 04:15 PM   #27
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I have a 2011 17 & had to replace the propane detector 2 years ago. No pets, (although I did eat beans every once in a while). It would go off with the propane turned off at the tanks overnight parked at home with no one in the trailer. After my neighbor almost called the fire department, I replaced it. Knock on wood, the new one (a combined propane & CO detector) has functioned normally.
Hey Jon - may I ask what combined propane & CO detector make and model you got?

always good to know.
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Old 07-30-2016, 04:41 PM   #28
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And, with a combined CO and propane detector, how does the manufacturer address placement? Propane should be just off the floor and CO should be at about three feet above the floor.
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Old 07-30-2016, 04:49 PM   #29
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And, with a combined CO and propane detector, how does the manufacturer address placement? Propane should be just off the floor and CO should be at about three feet above the floor.
Well.... The detector is REALLY big.



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Old 07-30-2016, 07:52 PM   #30
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And, with a combined CO and propane detector, how does the manufacturer address placement? Propane should be just off the floor and CO should be at about three feet above the floor.
They've turned them into belt buckles.
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