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10-11-2017, 08:03 PM
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#1
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Senior Member
Join Date: Sep 2010
Posts: 4,515
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Heating your whole coach when traveling
Here in Albuquerque for Balloon Festival and when traveling this morning the temp. was down to 43 and it was time to use Hydro-Hot or Oasis system to heat the coach when traveling without running gen. of diesel burner. Until about 5 years ago we didn't know that with engine assist on Hydro-Hot and I think also ob Oasis lets you set your thermostat to furnace for the whole coach and the 12 volt system will run the hearing system without using gen. or diesel burner. Have never heard this in a seminars or in print. Nice to travel in the 40's and have the coach at 72 front to back. It's getting to that time of the year for this. Most diesel coaches have diesel hot heating systems now.
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10-11-2017, 08:27 PM
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#2
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Senior Member
Join Date: Jun 2017
Location: Northeast CT
Posts: 1,202
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yes my understanding of the system in my 2018 dutch star is that you can use waste engine heat to heat the coach and make domestic hot water while underway, or with the engine running...but you can't pre heat the engine with the unit. there is a blank space in the control panel, however, for the installation of an engine pre heat switch, and the parts can be purchased and installed to allow it.....
in my tiffin i had the aqua hot 400D. no option for either feature, in the phaetons now, they are using the 450D, which can do both engine pre heat and use engine waste heat for domestic hot water or space heating...
__________________
2018 Dutch Star 4326 K2 SOLD
2020 LTV Unity 24RL
Doing my part to help control the flying insect population......
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10-11-2017, 09:17 PM
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#3
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Senior Member
Newmar Owners Club
Join Date: Apr 2016
Location: Vail, Arizona
Posts: 2,057
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OK Tom, thanks for that post. What do I need to do to get the engine to heat? Turn the thermostat to furnace and that’s it? No switch, no valves, nothing?
Thanks
Bill
__________________
Bill & Chris Bélanger (KI1Z)
'04 Georgetown XL > '17 4018 DSDP FL > '18 DSDP 4327 K2> ‘21 LA 4551 K3
2018 JL Wrangler Rubicon 2 Door
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10-11-2017, 10:14 PM
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#4
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Senior Member
Newmar Owners Club
Join Date: Mar 2016
Posts: 1,030
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Tom, your post is a little confusing. Maybe I misunderstood since u the Newmar expert. The boiler is heated while driving. The heat source is the engine. The heat is stored in the small “boiler” in the oasis unit. Once the engine is off there is no more heat source.
Ok, hooked to 50amp use heatpump to 40. Use elect elements to 35. Diesel burner below this.
Using the engine for heat is not good. Please don’t make me do the physics to prove this. If parked without hookup turn on the burner (if below 60or so) turn on furnace on the controller and sleep happy.
PM me if this is too confusing. I’ve been there.
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10-11-2017, 10:18 PM
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#5
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Senior Member
Newmar Owners Club
Join Date: Apr 2016
Location: Vail, Arizona
Posts: 2,057
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Quote:
Originally Posted by JMH
Tom, your post is a little confusing. Maybe I misunderstood since u the Newmar expert. The boiler is heated while driving. The heat source is the engine. The heat is stored in the small “boiler” in the oasis unit. Once the engine is off there is no more heat source.
Ok, hooked to 50amp use heatpump to 40. Use elect elements to 35. Diesel burner below this.
Using the engine for heat is not good. Please don’t make me do the physics to prove this. If parked without hookup turn on the burner (if below 60or so) turn on furnace on the controller and sleep happy.
PM me if this is too confusing. I’ve been there.
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Quite sure Tom is talking about going down the road, not parked.
No one is going to run their engine for heat while parked.
__________________
Bill & Chris Bélanger (KI1Z)
'04 Georgetown XL > '17 4018 DSDP FL > '18 DSDP 4327 K2> ‘21 LA 4551 K3
2018 JL Wrangler Rubicon 2 Door
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10-12-2017, 09:51 AM
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#6
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Senior Member
Join Date: Sep 2010
Posts: 4,515
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The post is for driving down the road, not when either on shore power or gen. running. When driving down the road your engine heat in coolant is keeping your boiler hot and since your boiler is hot so you can turn on furnace on and heat the coach while going down the road. That is the reason when you get to a RV park you have hot water without using 110 volt heater or diesel burner on. Most have done a poor job explaining how to use your hot engine coolant when driving to heat your coach. Your furnace is power by 12 volt system.
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10-12-2017, 12:29 PM
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#7
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Senior Member
Newmar Owners Club
Join Date: Mar 2016
Posts: 1,030
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Sorry, my bad [emoji16]
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10-12-2017, 02:46 PM
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#8
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Senior Member
Join Date: Sep 2010
Posts: 4,515
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I did say when Traveling or going down the highway.
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10-12-2017, 03:19 PM
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#9
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Jul 2014
Posts: 142
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Not sure which model you have but I can tell you on our 2017 Ventana, we used the aqua hot to aid the heater up front by setting the thermostat on for the aqua hot and set the temp with the burner switch on. It was nice and toasty driving in the low 20's.
__________________
Nick and Sue
2017 Newmar Ventana 3709 All Electric
2012 Jeep Wrangler Sport
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10-12-2017, 03:26 PM
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#10
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Senior Member
Newmar Owners Club
Join Date: Apr 2016
Location: Vail, Arizona
Posts: 2,057
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Quote:
Originally Posted by barnegatepic
Not sure which model you have but I can tell you on our 2017 Ventana, we used the aqua hot to aid the heater up front by setting the thermostat on for the aqua hot and set the temp with the burner switch on. It was nice and toasty driving in the low 20's.
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Pretty sure you have the Oasis, not the Aqua Hot?
In any case, Tom is telling us we don't need the burner on, that the engine will heat our water as we're going down the road.
__________________
Bill & Chris Bélanger (KI1Z)
'04 Georgetown XL > '17 4018 DSDP FL > '18 DSDP 4327 K2> ‘21 LA 4551 K3
2018 JL Wrangler Rubicon 2 Door
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10-12-2017, 04:08 PM
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#11
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Senior Member
Join Date: Jun 2017
Location: Northeast CT
Posts: 1,202
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Quote:
Originally Posted by BBelanger
Pretty sure you have the Oasis, not the Aqua Hot?
In any case, Tom is telling us we don't need the burner on, that the engine will heat our water as we're going down the road.
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Correct. Turn the switch off and try it. Engine needs to be warmed up of course.
__________________
2018 Dutch Star 4326 K2 SOLD
2020 LTV Unity 24RL
Doing my part to help control the flying insect population......
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10-12-2017, 04:20 PM
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#12
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Senior Member
Newmar Owners Club Tiffin Owners Club Entegra Owners Club
Join Date: Feb 2017
Location: Fulltiming Since 2011
Posts: 1,493
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Hi - If I can add one comment. Get the engine up to full temperature before using the Oasis to heat the coach going down the road. There is a thermostat that will not allow the heating until the Oasis boiler is up to a certain temperature. Waiting for the boiler temp to come up ensures that the signal to heat is correctly handled. If the boiler is already hot then it's not an issue.
On the Aquahot you didn't have the same issue but the AH often could not warm the coach off of engine heat without diesel assistance.
Tom
__________________
Tom and Annie & Java
2022 Anthem 44B
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