Analog to Digital Thermostat

[KYCAMPER]

This thermostat doesn't seem to allow for the high and low fan speed? Has that been a problem?

[wanderlust]

Originally Posted by KYCAMPER

This thermostat doesn't seem to allow for the high and low fan speed?

My HI / LO works fine but there isn't much difference in air speed or noise.. some, but not much.

[BuddyRay]

With regard to running the fan alone:
Mine will do it on AC, won't do it on Furnace.
As to the High Low fan switch, mine does nothing on either AC or Furnace.

In following this post, I'm beginning to suspect that we have different models and/or ages of AC/Furnace units. It's probably more the capability of the AC or Furnace than the thermostat.

[SkyBound]

I did this mod a couple weeks ago and really like it. By leaving the Thermostat setting to OFF and putting the fan setting to ON, it runs the fan only. I did the thermostat and the Vortex II bathroom fan mods in an afternoon and they are both great!

[wanderlust]

Originally Posted by wanderlust

I have the Rv Comfort Coleman-mach 12- volt Digital Thermostat and there is no way to run the fan only on this unit. I tried the other day while camping at the beach.

I stand corrected... You CAN run the fan only. (not sure why you'd want to do that.)

[Camper_bob]

Originally Posted by wanderlust

I stand corrected... You CAN run the fan only. (not sure why you'd want to do that.)

I can see at least one reason you'd want to run the fan alone. If you leave the fan running and the AC set to a certain temperature, there is little to no change in sound level when the AC cycles on and off. A change in sound is what wakes me up. If there is a constant sound, my mind will ignore it and I sleep like a baby (think "white noise"), but if a sound is constantly starting and stopping, I wake up each time the sound changes (each time the AC cycles on or off). So by leaving the fan on, there is no change in sound. This can also mask undesirable sounds from outside the camper, like loud neighbors or even music. Also, it feels cooler if the air in the coach is moving. When it's hot, we often run fans in our trailer for just this purpose, but sometimes we'll leave the AC fan on just to keep the air moving between compressor cycles.

Alright, more than one reason...

[wanderlust]

Originally Posted by Camper_bob

If you leave the fan running and the AC set to a certain temperature, there is little to no change in sound level when the AC cycles on and off. A change in sound is what wakes me up.

I understand that, and it makes perfect sense; however, the question (I believe) was can you run the "fan only" without running the AC. If I wanted to just move some air around (quietly) I'd get a little 12v fan, but thats just me.

[LiveLoveCamp]

Hi all - reading through your posts it's obvious I'm a novice! I have an analog thermostat for the furnace only. The a/c is a roof unit controlled by switches on the unit only.

So 2 questions: 1. Can a thermostat be installed to control the a/c?
2. I assume I can replace my furnace only thermostat - but is there a particular type I need?

Thanks for your help in advance!

[wanderlust]

Originally Posted by LiveLoveCamp

1. Can a thermostat be installed to control the a/c?
2. I assume I can replace my furnace only thermostat -but is there a particular type I need?

Not sure if you got answers to your question, but I would suggest contacting the AC manufacturer to see if it is possible the add a thermostat. I would think any digital thermostat would work for the furnace. Here is a heat only unit that might work for the furnace.

[Allen_C]

Just ordered one. Glad I found this thread since I was wanting to switch to a digital thermostat already.

[wanderlust]

Originally Posted by Allen_C

Just ordered one.

You are going to love it.

[clarche]

Originally Posted by Allen_C

Just ordered one. Glad I found this thread since I was wanting to switch to a digital thermostat already.

Which one did you order if you don't mind? I'm thinking about replacing my analog one.


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[wanderlust]

Originally Posted by clarche

Which one did you order if you don't mind?

I got the Coleman-mach 12- volt Digital Thermostat and here is my install video.
You are going to love the digital.

[Allen_C]

Originally Posted by clarche

Which one did you order if you don't mind? I'm thinking about replacing my analog one.


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Coleman 8330-3862 in black

http://m.ebay.com/itm/RVP-8330-3862-...=1755091045017

[clarche]

Thanks! I will order one and then check out the video.


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[pop up pilot]

The link did not have the dimensions. My analog is mounted in a plastic inset, probably to protect it from damage. I would prefer to mount the new thermostat in the same location. Someone had given the location some thought to keep the device safe from bumps.

[Allen_C]

Originally Posted by pop up pilot

The link did not have the dimensions. My analog is mounted in a plastic inset, probably to protect it from damage. I would prefer to mount the new thermostat in the same location. Someone had given the location some thought to keep the device safe from bumps.

Look on Amazon for this unit at only $50.92 with free shipping

One of the questions asked about the size and the answer was: "The unit measures 5 1/2" W by 3 5/8th" H"

[Firefighter78]

This upgrade to our 334 improved thermal stability and accuracy but the biggest improvement is using a fan to lightly circulate the air around the TT. A 5ver may not have this issue but we struggled with this TT getting air temp consistent. Mounted a Vornado fan in the master br, and use a lasco wind machine on low in the kitchen. Our heater is in the rear bunkhouse, even with back duct closed off. It gets hot as hell back there shutting the thermostat off while the front master br is cold. AC is the same which uses ceiling ducts so the duct work is fine, it's just our layout and having a 37' TT.

[Origjcc]

Anyone installed with Heater only option? One day would like to tie in A/C however need to learn a little prior.


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[igofishn]

EZ, worthwhile, low cost upgrade!!!