fridg tstat - Fiberglass RV


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Old 06-12-2012, 01:18 PM   #1
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Name: Kenneth Mack
Trailer: 2008 16ft Scamp
Georgia
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fridg tstat

I put a 12v and gas fridg in my 16 ft scamp.Demetic model rm190 There was no tstat for 12 volt heater.Got manual from demetian and there is no tstat for 12v operation. Rm 190 12 v is m ade for in transit use only.
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Old 06-13-2012, 05:56 PM   #2
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Quote:
Originally Posted by thunter View Post
I put a 12v and gas fridg in my 16 ft scamp.Demetic model rm190 There was no tstat for 12 volt heater.Got manual from demetian and there is no tstat for 12v operation. Rm 190 12 v is m ade for in transit use only.
All of the older Dometic 3-way fridges I have seen use the same electrical thermostat for both 120V and 12V operation. I would expect yours to be the same. The particular electricity source is switched before it gets to the thermostat. However, the RM190 uses a 95 watt heater according to the service manual, so it would take about 8 amps of current, meaning your battery would run down quickly. I would only use it on 12 volt for short periods of time, or in situations where you can replenish the battery, such as charging while driving.

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Old 06-14-2012, 08:32 AM   #3
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Name: Kenneth Mack
Trailer: 2008 16ft Scamp
Georgia
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The rm190 that I have is a 2 way 12v and gas no 120 ac and the manuial that i have states that it has no 12v tstat and 12v is used while vehile is in motion. It says nothing about a running fridg on converter. I think you can run fridge on light dimmer and use like tstat. Kenneth Smith
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