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11-20-2014, 10:41 AM
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#1
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Junior Member
Join Date: Apr 2014
Posts: 23
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Changing Thermostat in ACE
I have a 2014 ACE 30.2. The Thermostat Thor installed is pretty basic and seems to have a large tolerance in temperature in auto mode. Temperature fluctuations seem to be large while in auto mode. I have to get up in the night several times to adjust temperature to stay comfortable. I also have to turn on the lights to see the thermostat since it is not illuminated. Which then wakes up my two year old. Who then cries and wakes up everyone else. I realize there are other factors that contribute to keeping a constant temperature in the RV but I don't believe the cheap thermostat is helping. Looking to get a digital replacement with back lighting.
Has anybody changed their thermostat? If so, what is the level of difficulty for a non-electrician and what brand did you replace it with.
Also, do you think this will improve the large temperature fluctuations (which I have measured with a thermometer to be up to 10degrees F)
Thanks for the help.
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11-20-2014, 10:56 AM
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#2
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Senior Member
Winnebago Owners Club Ford Super Duty Owner
Join Date: Nov 2013
Location: When we stop!
Posts: 592
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I wish you GOOD luck. We have the same issue with our MH. I have plans to change ours but stillrresearching it. Seems a small fan helps to move the air and keep it more comfortable.
__________________
Getting ready to hit the road, But still getting answers. So thanks for the help! 2006 Winnebago Sightseer 29R Ford F53. Roadmaster Eagle 8000. 2001 Ford F150 7700 4x4. Still shopping for toad brakes. FMCA F286179
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11-20-2014, 06:40 PM
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#3
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Senior Member
Join Date: Oct 2012
Location: OHIO
Posts: 312
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Quote:
Originally Posted by joelee2
I have a 2014 ACE 30.2. The Thermostat Thor installed is pretty basic and seems to have a large tolerance in temperature in auto mode. Temperature fluctuations seem to be large while in auto mode..
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Ours is the same way, I looked at getting a digital one but it said something about cutting wires. Not sure if there is a digital one that will just plug in to the current wiring? Hope somebody here knows.
__________________
2013 THOR ACE 29.2 2007 HUMMER H3
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11-20-2014, 08:57 PM
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#4
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Senior Member
Join Date: Jul 2013
Location: Cottonwood Heights, UT
Posts: 382
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I replaced the analog thermostat with the digital Coleman and it made a world of difference. The analog unit was not reliable, the digital unit has been much more accurate, well worth the $70.00, and it only took me 5 minutes to connect it.
RV Digital Heat Cool 8330 386 Thermostat Coleman Black Manual Wall Thermostat | eBay
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11-20-2014, 08:58 PM
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#5
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Senior Member
Join Date: Jul 2013
Location: Cottonwood Heights, UT
Posts: 382
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I can't remember if it has a backlight or not, I don't think so.
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11-21-2014, 04:21 AM
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#6
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Senior Member
Join Date: Oct 2012
Location: OHIO
Posts: 312
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Quote:
Originally Posted by Thorchini
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Did it plug in to existing wires or did you have to cut wires?
__________________
2013 THOR ACE 29.2 2007 HUMMER H3
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11-21-2014, 05:07 AM
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#7
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Senior Member
Thor Owners Club Ford Super Duty Owner
Join Date: Apr 2012
Location: Wherever the rig is parked
Posts: 8,092
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Search "Replacing RV Thermostat" on Google. There is a lot of information about installing a Honeywell digital thermostat which can be purchased for $25 to $30 at Lowes, Home Depot etc. I made the change on my ACE and it worked great.
__________________
Bruce Dickson 2013 Thor Challenger 37GT, 5 Star Tune, Safe-T-Plus Steering Control with Air Trim, Roadmaster front and rear Sway Bars, SuperSteer rear Track Bar, Crossfires, 2018 Honda CRV . Full timers since Jan 2012.
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11-21-2014, 05:19 AM
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#8
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Senior Member
Winnebago Owners Club
Join Date: Nov 2011
Location: Seeing the USA
Posts: 2,646
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Changed ours to digital. Very easy!
__________________
Neal and Deb + Mya and Gizmo, the pup's
2003 Winnebago Sightseer 30B
May the roads rise up to meet you, May the winds be always at your back...
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11-21-2014, 05:22 AM
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#9
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Senior Member
Join Date: Nov 2011
Location: Hanover, PA
Posts: 630
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Very interesting subject.
I too have wondered if a standard residential thermostat would work. The cheapy ones that come in most entry level motorhomes are crap.
I do know one does need to at least know what wires and what type of HVAC system one has prior to simply installing any thermostat.
Bdickson, which Honeywell model did you purchase?
__________________
2015 Thor ACE EVO30.1
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11-21-2014, 06:16 AM
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#10
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Junior Member
Join Date: Apr 2014
Posts: 23
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The Instructions I found on Google talk about adding a variable speed switch for the fan. RV AC are designed to have variable fan speed. Home AC's don't. So if you use the $70 RV digital thermostat it has built in fan speed control. If you use a home version digital thermostat from Home Depot for $30 bucks you will have to add a variable fan speed switch.
For those who have changed to a home version thermostat did you add this fan speed switch.
Thanks for all the responses.
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11-21-2014, 07:55 AM
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#11
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Senior Member
Join Date: Nov 2011
Location: Hanover, PA
Posts: 630
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Quote:
Originally Posted by joelee2
The Instructions I found on Google talk about adding a variable speed switch for the fan. RV AC are designed to have variable fan speed. Home AC's don't. So if you use the $70 RV digital thermostat it has built in fan speed control. If you use a home version digital thermostat from Home Depot for $30 bucks you will have to add a variable fan speed switch.
For those who have changed to a home version thermostat did you add this fan speed switch.
Thanks for all the responses.
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Interesting.
__________________
2015 Thor ACE EVO30.1
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11-21-2014, 11:19 AM
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#12
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Senior Member
Join Date: Jul 2013
Location: Cottonwood Heights, UT
Posts: 382
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Quote:
Originally Posted by H3OHIO
Did it plug in to existing wires or did you have to cut wires?
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No wire cutting at all.
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11-21-2014, 11:50 AM
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#13
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Senior Member
Join Date: Nov 2011
Location: Hanover, PA
Posts: 630
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Quote:
Originally Posted by Thorchini
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Just bought this one.
__________________
2015 Thor ACE EVO30.1
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11-21-2014, 01:40 PM
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#14
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Senior Member
Ford Super Duty Owner
Join Date: Jan 2011
Location: Lowell, Arkansas
Posts: 7,297
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The big box stores carry Honey well brand of digital thermostat. We changed the TT analog one and it work great. They are around $25. Unless you want to program one to make constant adjustments just get the cheapest basic one and it will work great. I did not have to cut or solder any wires. That stuff is getting kind of standard anymore.
Make sure it has the A/C feature as well.
Don't spent the $70 for a Coleman you're paying for the association to a camping RV product.
TeJay
__________________
TeJay Auto Instructor/4-yrs USAF/ Liz: RN/ WBGO 2014 Vista 30T/ F-53/CHF/5-Star/Koni * Bella & Izzy * Golden /Cocker mix/ Louie The Cat* All Retired
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