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Old 12-31-2006, 06:09 AM   #1
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Was lounging in bed this AM when the diesel burner on the Hydro Hot kicked in - and it made me wonder. If both the electric & diesel switches are in the on position, why does the diesel burner have to kick on after a night of no use? Won't the electric keep the water sufficiently hot by itself?

OK - so maybe I need to just get up and not lay around asking inane questions!
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Old 12-31-2006, 06:09 AM   #2
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Was lounging in bed this AM when the diesel burner on the Hydro Hot kicked in - and it made me wonder. If both the electric & diesel switches are in the on position, why does the diesel burner have to kick on after a night of no use? Won't the electric keep the water sufficiently hot by itself?

OK - so maybe I need to just get up and not lay around asking inane questions!
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Old 12-31-2006, 06:13 AM   #3
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Mark, What is the outside teperature in the morning where you are?

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Old 12-31-2006, 06:18 AM   #4
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Sorry Peter - should have added that. Nearly 80 degrees.
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Old 12-31-2006, 06:25 AM   #5
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Mark, that does sound stange. I would shutdown the diesel and let the electrical try to do the job. I only use electric when in camp and have plenty of hot water for the dish washer, washing machine and showers. If it gets cold out and the heat is needed then the diesel is required if you are going to shower.

Anyway, see what output you have on electrical only and verify it is working.

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Old 12-31-2006, 06:29 AM   #6
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Thanks Peter - my thought exactly.

We had to have a service call the other day as one of the hoses wasn't clamped properly and all the antifreeze pumped out. After refilling it the low tank float stuck and the service guy had to come and free it and clean the sensor.

So I really don't know if the electric is working. Think I'll hold off fooling with it until Sheila has had her shower. Don't think she'd like being the guinae pig!
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Old 12-31-2006, 10:09 AM   #7
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If the electric element was on when the system went empty, the element may be burned out.

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Old 12-31-2006, 12:35 PM   #8
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Ours does the same as Doc Marks. We'll hear the diesel kick in when both the electric and diesel switches are on. I know our electric element is OK. I assume the settings for the diesel and electric elements are set about the same. Maybe the diesel setpoint is a little lower then the electric set point.

I think Newmar should set the electric setpoint slightly lower then the diesel. Most people use the electric element all the time and the diesel burner to pick up the slack during times of heavy hot water usage like during a shower. This would assure the electric element is the default heating element.
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Old 01-02-2007, 08:32 AM   #9
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Thanks for all your help. I think Road Pilot hit the nail on the head as the electric is working fine. Proably just a set-point difference.

And I agree that the electric should be the first source of supply

Mark
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