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Old 01-25-2016, 07:06 AM   #1
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Heater

We have a 2012 32ft breeze that we used over this past weekend. On Saturday we had the heater (electric) set to 74 all day and night but at 5:00 am on Sunday it quit working. Has anyone had that issue or know what might have caused it? One of our friends said maybe it froze up because of it being set that high for a length of time. Thanks for any comments or help
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Old 01-25-2016, 07:42 AM   #2
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We have a 2012 32ft breeze that we used over this past weekend. On Saturday we had the heater (electric) set to 74 all day and night but at 5:00 am on Sunday it quit working. Has anyone had that issue or know what might have caused it? One of our friends said maybe it froze up because of it being set that high for a length of time. Thanks for any comments or help
Yes. That is a possibility. If the outside temperatures drop to about 40 or below, a heat pump does not work, will ice up and stop due to a self protection circuit built into most of them. Most of the heat pumps Tiffin puts in their motor homes have a feature that stops the heat pump when it can no longer reach the set temperature and automatically runs the LP furnace.
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Old 01-26-2016, 06:58 AM   #3
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Yes. That is a possibility. If the outside temperatures drop to about 40 or below, a heat pump does not work, will ice up and stop due to a self protection circuit built into most of them. Most of the heat pumps Tiffin puts in their motor homes have a feature that stops the heat pump when it can no longer reach the set temperature and automatically runs the LP furnace.
The "freeze up" temperature seems to depend on outside humidity too. If it is really humid outside my heat pump stops at about 44 degrees if it has been running a lot. If the air is dry it will run down to the upper 30's. There have been several times after the temperature comes back up that I have had to turn off the 12 volt disconnect switch for a minute or so to reset the system after a freeze up in order to get the heat pump running again. It starts to make a different sound... louder ... as it approaches freeze up so I have learned to stop it before it shuts itself off.
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Old 01-26-2016, 08:19 AM   #4
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Very common.. Check the outlet it's plugged into.

here is the thing.. Many RV's (Most i suspect) they use outlets of the "Quick Box" type, this is an all in one outlet, box and cover.. you can tell them from standard house outlets because the screws in the cover are in the corner (on a house outlet the screw is in the center).

On these outlets there is a piece of metal, or 3, inside with slits cut in them, the wire is pressed down into the slot and the metal cuts thrhough the insulation and makes a knife edge contact with the waire, Very little contact area, fairly high resistance when compared to a proper wire under screw type connection.. These "punch down" connections are great for telephone use (Few thousands of an amp) ok in the single digit range, but SPACE HEATERS draw 12 amps (most of them.. I had one that drew more and have two that draw less) this is just too much for the wiring and burns out the connection..

What makes it worse... Many RV's the outlets are daisy chained, So not only the outlet you plugged into but others are affected,, Sometimes the burn out is "Up-line" from the one you plugged into.

How to avoid
If you DO NOT have a washer/dryer bur are wired for it this is a stronger outlet (often a 15/20 type).

On my coach the locaton of the power distribution center (Breaker box) is such that I was able to EASILY add two outlets without tearing walls apart.. one in the bedroom one in the living room, they are 15/20 amp types, fed with 12ga wire bent around a properly tightened screw and each fed by its very own circuit breaker, Nothing else on the line... Work great.
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