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Old 03-16-2014, 07:13 PM   #29
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We are full timers and we keep both diesel and electric on 24/7/365. If we are on 30 amp shore power we do turn the electric off. AH units have changed over the years but with ours, the electric thermostat is set higher than the burner thermostat. With this set up the electric maintains the temp until high demand causes the coolant temp to drop until the burner thermostat turns on the burner.

For the most part the operation is automatic and seamless.
Funny, I would think that the recommendation would be to run the burner so that it gets exercise, at least over the months where it does not run much. Not knowing the system, does the same burner provide heat and hot water?
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Old 03-16-2014, 07:25 PM   #30
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Funny, I would think that the recommendation would be to run the burner so that it gets exercise, at least over the months where it does not run much. Not knowing the system, does the same burner provide heat and hot water?
Our Precision Temp does use the same burner for the heat and hot water. The unit also has 2 electric heating elements. The Precision Temp does NOT preheat the diesel engine to the coach.
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Old 03-16-2014, 08:31 PM   #31
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Funny, I would think that the recommendation would be to run the burner so that it gets exercise, at least over the months where it does not run much. Not knowing the system, does the same burner provide heat and hot water?
A long hot shower is all it takes to cause the diesel burner to run. Yes, on all these systems the burner and/or the electric element heat the boiler fluid which supplies heat for the coach and not water.
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Old 03-17-2014, 08:06 AM   #32
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Looks like it uses .6 pounds per hour of propane. Your MH has 35 gals of propane, most likely. It will interesting to see what your actual useage runs.
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Old 03-18-2014, 05:00 PM   #33
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Looks like it uses .6 pounds per hour of propane. Your MH has 35 gals of propane, most likely. It will interesting to see what your actual useage runs.
Yes! I agree. I will update you all when I have a better idea.
The first week we got the system it was put to the test. We had 7 days and kept the motor home a balmy 70. I know it used quite a bit for those 3 days, but I'm not sure how much propane we had before so I could make a good comparison.
Optimally we wouldn't want a propane driven unit, but rather diesel since that's our primary fuel. But being tight with our budget, and honestly just over AH, we went with what we thought was our best option.
I will update soon!
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Old 04-17-2014, 09:46 AM   #34
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Quick progress report: we have found that it takes less than 5 minutes to have hot water for a shower when you accidentally forget to turn the unit on. It seems that the water is, in fact, instantly hot!
The water stayed hot with no down time.
So far we are very pleased with this unit.
As for propane usage, we are leaving the until off until we are ready to use hot water (or heat the bus).
I will update again once I have a better idea of propane usage.
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