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Old 12-31-2019, 07:29 PM   #21
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Brand: Thor Motor Coach
Model: Hurricane 31D
State: Georgia
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THOR #16633
New Thermostat

I'm replaceing my thermostat. unfortunately as I was pulling out the extra wire from the wall. some of the wire that had been spliced together came apart. I'm replacing an old Coleman Mach in a 2011 Thor Hurricane 31D. This is the main Thermostat unit located in the kitchen area. I've attached some wiring pics. Any help would be great.
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Old 12-31-2019, 09:33 PM   #22
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I don't see your wiring pics
This is the digital one that most of us use when upgrading our OEM thermostat.

$57.07

It's a wire for wire install...

https://www.amazon.com/Coleman-Airxc...6GY1JQ3F2D922A
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Old 12-31-2019, 10:15 PM   #23
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Brand: Thor Motor Coach
Model: Hurricane 31D
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THOR #16633
Thermostat upgrade

Quote:
Originally Posted by Djmacks View Post
I am thinking about upgrading to digital thermostat in my Miramar motorhome and wanted any suggestion on what brand and part number I should use
I just followed the instructions on the Wandering Wagoners youtube. I purchase the same Honeywell model 5000. The unfortunate part is as I was removing the wiring from the wall to see what was spliced where some of the splicing fell apart. no way to know what was originally spliced. So I attempted to color match. seemed like everything was in the right place except for the blue cable.not sure where to connect it. Nothings runs now. I've attached some photos.
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Old 12-31-2019, 11:09 PM   #24
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Brand: Thor Motor Coach
Model: Hurricane 31D
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THOR #16633
Thermostat upgrade

Quote:
Originally Posted by taylorbob1 View Post
I don't see your wiring pics
This is the digital one that most of us use when upgrading our OEM thermostat.

$57.07

It's a wire for wire install...

https://www.amazon.com/Coleman-Airxc...6GY1JQ3F2D922A
I thought the Honeywell might be ok based on the video but I guess RV wiring color coding isn't consistent. Here's a pic as currently wired.
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Old 01-04-2020, 08:02 PM   #25
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Brand: Thor Motor Coach
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THOR #16633
Thermostat upgrade issue.

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Originally Posted by axis earl View Post
I bought the Coleman-Mach digital, same size as the one you presently have. Just matched the wire colors as the original was installed and it works fine.
Did you wires match up one for one? Unfortunately as I was pulling my wiring out of the wall the all but one of the wire caps came loose. I tried matching them one based on color and that doesn't work out. I get nothing. I've tried updating my original coleman Mach with a digital coleman mach 8330. I've attached pics of my bedroom unit wiring (the wires are all matched color to color) nor does the bedroom unit have a heat setting. Any help would be appreciated. The bedroom unit is working perfectly.

Help!
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Old 01-05-2020, 07:53 AM   #26
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Here's the digital Coleman for $56 (white) on ebay

Black for $57 on eBay

and another black one (only one from this seller) for $40 on eBay
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Old 01-05-2020, 02:58 PM   #27
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Quote:
Originally Posted by cruzin101 View Post
Did you wires match up one for one? Unfortunately as I was pulling my wiring out of the wall the all but one of the wire caps came loose. I tried matching them one based on color and that doesn't work out. I get nothing. I've tried updating my original coleman Mach with a digital coleman mach 8330. I've attached pics of my bedroom unit wiring (the wires are all matched color to color) nor does the bedroom unit have a heat setting. Any help would be appreciated. The bedroom unit is working perfectly.

Help!
Here is a link to a Service Manual on another RV site...
You can try to match up the colors with it. Red seems to be +12V and blue is -12V, start with that.
Also do you have a combined heat/cool unit or a separate Atwood furnace? Maybe try to connect the A/C first.


Stay cool
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Old 01-05-2020, 03:40 PM   #28
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THOR #7035
Quote:
Originally Posted by cruzin101 View Post
Did you wires match up one for one? Unfortunately as I was pulling my wiring out of the wall the all but one of the wire caps came loose. I tried matching them one based on color and that doesn't work out. I get nothing. I've tried updating my original coleman Mach with a digital coleman mach 8330. I've attached pics of my bedroom unit wiring (the wires are all matched color to color) nor does the bedroom unit have a heat setting. Any help would be appreciated. The bedroom unit is working perfectly.

Help!
I did this same upgrade in my ACE a couple of years ago. I'll get a pic of my backplate and wires today to see if that will help you.
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Old 01-05-2020, 09:43 PM   #29
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OK, here's what I've got:


It's hard to see from the pictures so here is a guide to how it's wired"

Thermostat RED ==> Big Red
Thermostat YELLOW ==> Combined RED
Thermostat WHITE ==> Big WHITE/RED wire
Thermostat GREY/GREEN ==> Fan switch

For the combined wire bundle (multi-colored wires in a single sleeve)
Combine BLUE ==> Big WHITE
Combined YELLOW ==> Grey (FAN)
Combined GREEN ==> Green (FAN)

I hope this helps.
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Old 01-05-2020, 11:55 PM   #30
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THOR #16633
It’s a combined ac\ heat unit
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Old 01-06-2020, 12:05 AM   #31
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Quote:
Originally Posted by cruzin101 View Post
Itís a combined ac\ heat unit
Yeah, so is mine:

Runs the AC on cool
Runs the Furnace on Heat
Runs the AC fan on FAN
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Old 01-06-2020, 12:11 AM   #32
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THOR #16633
Thermostat upgrade problem

Iíve also checked the fuses, and reset the switch on the heater. Iíll try this config tomorrow. Thanks!
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Old 01-07-2020, 12:34 AM   #33
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Brand: Thor Motor Coach
Model: Hurricane 31D
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THOR #16633
Thermostat upgrade problem

Quote:
Originally Posted by cruzin101 View Post
Iíve also checked the fuses, and reset the switch on the heater. Iíll try this config tomorrow. Thanks!
Chatted with RV tech today. He says my unit needs controller upgrade to work with the digital thermostat. once i find out what model the appropriate unit is I'll post it. My coach is a 2011 Hurricane 31D.
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Old 01-08-2020, 03:32 AM   #34
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Model: 2017 Windsport 34J
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THOR #5645
Freeze Protection

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Originally Posted by jb1911 View Post
Not trying to be a wise guy (for a change) but what do you gain by doing this?
As several others have mentioned, you do it for freeze protection. I never winterize so I can go on a minutes notice. I have heat lites & backup lites in all water spaces and I block around the camper with heavy cardboard. I set the digital thermostat to 35 (can't do that with the analog one) and have never had any problem.
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Old 10-06-2020, 10:42 PM   #35
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For anyone upgrading their thermostat Name:  IMG_4290.JPG
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Old 10-06-2020, 10:59 PM   #36
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Quote:
Originally Posted by Hugh.vines@att.net View Post
For anyone upgrading their thermostat Attachment 26545
Would be nice if it was readable. Seems to be thumbnail size; 300 x 222.
Even zoomed 300% you can't read the labels.
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