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Old 08-02-2016, 11:46 AM   #11
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Not totally sure what you're doing, but it seems way more complicated than it needs to be. Most of us remove the wires from the analog T-stat and move them to the digital t-stat. End of story. But maybe you've got one of those weird systems?

If old one has 2 fan speeds and new does not, add a SPDT switch to chose fan speed.

Here's what swapped for my Coleman-Mach to a Honeywell.
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File Type: pdf Thermostsat wiring.pdf (121.6 KB, 47 views)
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Old 08-02-2016, 12:18 PM   #12
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This is for a Dometic AC unit. I know a Honeywell tstat will work on a Coleman, but don't know on a Dometic. I like the how the Dometic digital tstat automatically switches fan speed based on set temperature.
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Old 08-02-2016, 03:42 PM   #13
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Dometic to digital Honeywell changeover can be done with just simple change out of the wall thermostats. No need to change anything on the AC unit.
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Old 08-02-2016, 05:03 PM   #14
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For me, the icons appear in the first part of the thread but the photos come out as I scroll down.
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Old 08-02-2016, 07:00 PM   #15
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Quote:
Originally Posted by sfsgm View Post
For me, the icons appear in the first part of the thread but the photos come out as I scroll down.
That's because he fixed it (added the pics properly). See post #9.
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1988 Coleman Sequoia - popup (1987-2009)
2012 Roo19 - hybid (2012-2015)

2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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Old 08-02-2016, 07:16 PM   #16
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Are the pics thoughout the post or all at the end? I meant to post a pic with a description. If the pics all show at the end with the icons throughout the post, let me know how to fix.
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Old 08-02-2016, 08:18 PM   #17
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2X Henboy. Seems much easier. I did that on my 2004 All American Sport. Just added a SPST switch to get Hi Fan. But Thanks for the info. Cap. looks like you did a great job.
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Old 08-02-2016, 11:18 PM   #18
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Originally Posted by Captain America View Post
Are the pics thoughout the post or all at the end? I meant to post a pic with a description. If the pics all show at the end with the icons throughout the post, let me know how to fix.
Capt: There's a way to do it, but I don't know it.
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1988 Coleman Sequoia - popup (1987-2009)
2012 Roo19 - hybid (2012-2015)

2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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Old 08-03-2016, 06:46 AM   #19
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I recently changed my analog thermostat to Dometic's Digital Comfort Control Center (CCC). As you expalined, the change over was relatively easy, however, I did run into an operational problem. The wall cavity behind the thermostat is very warm compared to the cold air inside my motorhome - the end result is that moisture forms on the face plate and on the PC board. When this happens, there is a short, and the thermostat looses the communication link with the AC units. To solve this problem I sprayed some Window and Door Spray Foam into the cavity and placed a thin piece of sheet foam between the wall and the PC board. So far, it seams to have solved the problem.
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