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05-26-2014, 10:17 AM
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#1
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Senior Member
Name: Chris
Trailer: Scamp 16
New Hampshire
Posts: 166
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Digital Heater Thermostat?
We find it hard to figure out the right temp to set our heater at. I was thinking a digital thermostat might work better. Can I just install something that I pick up at Home Depot or does the camper have different wiring?
We've got a 2013 Scamp with the propane heater package. Not sure what the model is off-hand.
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05-26-2014, 10:53 AM
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#2
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Senior Member
Name: Steve
Trailer: 2018, 21ft escape— 2019 Ram 1500 Laramie
NW Wisconsin
Posts: 4,500
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Most residential digital thermostat require 24 VAC power to charge the thermostat's internal battery . The battery powers the display and is used to retain internal memory during power loss . A mercury thermostat (T87F) would give you better ,more accurate control (+ or- 1 1/2 Deg F). requires no power, but would require your trailer to be perfectly level to operate properly. Your present thermostat is not real accurate (temp setting controlled by spring expansion ) but it does not have to be level to work properly , takes the vibration of travel , has a detent off positon and consumes no power. There was at one time a battery only powered digital thermostat with isolation designed for power pile furnaces which would work but I have not seen one available since the 80's. Some of the early digital /setback thermostats would back feed 9 VDC from its' internal battery circuit into the gas valve circuit and if used with a millivolt gas valve , would destroy the gas valve..
The thermostat you presently have was supplied by the furnace mfg and initial cost not accuracy was a driving factor in its' selection
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05-26-2014, 11:32 AM
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#3
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Moderator
Trailer: 2009 19 ft Escape / 2009 Honda Pilot
Posts: 6,230
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Chris, no problem with using a digital thermostat. I put one in last year, and wish I had done it earlier. Much easier to read where it is set at, and be consistent with whatever setting you prefer. All the thermostat does is to make contact when the temperature drops to a set value, closing the circuit, and calling for heat.
For whatever reason, our old mercury switch made a loud 'ping' sound when making contact. To me, as much of a bother as the noise of the furnace.
Settings we use are;
- 9°C (48°F) at night (we have lots of cozy blankies)
- Most off during the day, but set to 15°C (59°F) when inside workingduring the day
- 8-20°C (64-68°F) on the rare occasion we are relaxing inside during ugly weather.
I bought the White Rodgers 1E78-140. It is heat only, and not programmable, just what I wanted. Works great for us.
__________________
2017 Escape 5.0 TA
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
“Most folks are about as happy as they make up their minds to be.” — Abraham Lincoln
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05-26-2014, 12:06 PM
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#4
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Senior Member
Name: Steve
Trailer: 2018, 21ft escape— 2019 Ram 1500 Laramie
NW Wisconsin
Posts: 4,500
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Jim .What is the power source for the digital display?
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05-26-2014, 12:35 PM
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#5
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Senior Member
Trailer: Class A Motorhome
Posts: 7,912
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The Honeywell digital thermostat(s) I installed in both a Scamp and a Lil'Bigfoot both used 2 AA batteries for power. My Hunter now has a Honeywell CT-31A1003 mechanical thermostat and it works just fine as well.
If you get one and can't figure out the wiring, just call the customer help line they all have and they will tell you what jumpers to install and which terminals to use. I did, and they both worked perfect.
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05-26-2014, 12:49 PM
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#6
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Senior Member
Trailer: 2000 Burro 17 ft / 2001 Toyota Tundra V8 2wd
Posts: 339
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I switched out my original Atwood bi-metal strip thermostat with a Hunter digital thermostat, model name is "Just Right" which I got from Lowes, and should be available from other places. It's powered by 2AA batteries and has been going on 3 years on the same set. Works much better than the old thermostat. If you google the name/model you'll find many RVers have used it with success.
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05-26-2014, 12:54 PM
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#7
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Senior Member
Name: Steve
Trailer: 2018, 21ft escape— 2019 Ram 1500 Laramie
NW Wisconsin
Posts: 4,500
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Thanks Bob for answering my question . A battery powered thermostat with a isolation contact to control the furnace . In standard residential construction in our area using a thermostat that depended solely on a battery to function was not allowed due to the chance of freeze ups . It is similar to smoke detectors where they must now be fed with line voltage plus have a battery back up to help insure they work when needed. Please excuse my not keeping up with all the technology.
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05-26-2014, 01:22 PM
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#8
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Moderator
Trailer: 2009 19 ft Escape / 2009 Honda Pilot
Posts: 6,230
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Quote:
Originally Posted by steve dunham
Jim .What is the power source for the digital display?
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Bob covered it, a couple AA batteries.
__________________
2017 Escape 5.0 TA
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
“Most folks are about as happy as they make up their minds to be.” — Abraham Lincoln
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05-26-2014, 01:25 PM
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#9
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Moderator
Trailer: 2009 19 ft Escape / 2009 Honda Pilot
Posts: 6,230
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Quote:
Originally Posted by steve dunham
Please excuse my not keeping up with all the technology.
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What, that isn't priority #1?
I do very well know what you mean. I got a good deal on a used GoPro camera, and used it mountain biking, and the resultant video took my WAY to long to get up to my hosting site. That, and no nice music, or time editing. Some day, maybe.
__________________
2017 Escape 5.0 TA
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
“Most folks are about as happy as they make up their minds to be.” — Abraham Lincoln
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05-26-2014, 01:36 PM
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#10
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Senior Member
Name: Steve
Trailer: 2018, 21ft escape— 2019 Ram 1500 Laramie
NW Wisconsin
Posts: 4,500
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Technology
Quote:
Originally Posted by Jim Bennett
What, that isn't priority #1?
I do very well know what you mean. I got a good deal on a used GoPro camera, and used it mountain biking, and the resultant video took my WAY to long to get up to my hosting site. That, and no nice music, or time editing. Some day, maybe.
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Jim ; I took a class a couple winters ago at our union hall in renewable energy / green building protocol / energy codes. In less than 2 years ,technology had advanced so far that half of what I learned was outdated . Now if I want to maintain my certification ,I have to retake the class . I retired , it was a lot easier than taking another 80 hour class
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05-26-2014, 08:38 PM
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#11
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Senior Member
Name: Chris
Trailer: Scamp 16
New Hampshire
Posts: 166
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Thanks everyone for the responses. I just picked up the cheapest digital honeywell unit that Home Depot had in stock. I'm going to play around with it this week and see if I can get it working.
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05-26-2014, 08:59 PM
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#12
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Senior Member
Trailer: Class A Motorhome
Posts: 7,912
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Again, contact the customer service number on the instruction sheet and they will tell you exactly how to hook it up to whatever you have.
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06-09-2014, 11:32 AM
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#13
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Senior Member
Name: Drew
Trailer: Trillium
Alberta
Posts: 112
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I installed a regular digital thermostat last week. Used it this weekend in near freezing temperatures at night and it worked much better than the old one. The furnace ran for much shorter intervals and kept the temperature where it was supposed to be. Thumbs up to this mod, wish I did it sooner.
__________________
Where we’re going, we don’t need a plug-in.
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06-09-2014, 12:27 PM
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#14
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Senior Member
Name: Chris
Trailer: Scamp 16
New Hampshire
Posts: 166
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I got the Honeywell from Home Depot installed. There are only two wires. Just mark them before detatching and connect to the same inputs on the new unit. I tested it with a few cycles but since it's in the 80's now I won't be able to truly test it until weather cools down. I'd also like to move the thermostat someplace that gets a little more air flow. I just don't know how I'm going to route the wires.
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06-09-2014, 01:51 PM
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#15
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Senior Member
Name: Ted
Trailer: (Dark side)Crossroads Now
Glade Valley, North Carolina
Posts: 990
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I wonder if a digital thermostat could be hooked into the heat strip that's in the air conditioner??? Anyone know???
__________________
“I have tried to live my life so that my family would love me and my friends would respect me. The others can do whatever the Hell they please!” —John Wayne
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06-09-2014, 03:07 PM
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#16
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Senior Member
Name: Chris
Trailer: Scamp 16
New Hampshire
Posts: 166
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It would take some creativity with the wiring but I'm sure you could hook up a thermostat to both heat and cooling if you know what to connect to. You could even control fan speed.
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06-10-2014, 10:16 PM
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#17
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Senior Member
Name: Conrad
Trailer: Bigfoot 3000 & Barth "slide-in" truck camper
Connecticut
Posts: 958
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Atwood makes one.
I would like one with time of day and day of week settings.
I looked into this some time back and read these home thermostats didn't work with RV furnaces. I never followed up on it because my original one was working fine and I had more pressing concerns to focus on.
It seems like a fine idea.
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06-11-2014, 07:37 AM
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#18
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Senior Member
Trailer: Class A Motorhome
Posts: 7,912
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"Smart" or programmable thermostats that: a) Use only on-board battery power and b) Indicates that it will work with "microvolt" (millivolt?) systems, can be used in an RV. If it's not clear how, call the mfgs. customer help line. Honeywell is especially helpful in these matters.
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