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04-14-2022, 11:04 AM
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#1
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Thomas J
2018 27' Globetrotter
Shelbyville
, Michigan
Join Date: Oct 2018
Posts: 29
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Dometic Thermostat Replacement w/Micro-Air
In a recent blog, I read about two Airstream owners that replaced the ever-so-complex Dometic HVAC thermostat with a Micro-Air easy touch RV thermostat SY-389-X50, and made the claim that it was a much simpler setup than the Dometic.
I'm interested in this, and would appreciate any feedback from owners that have made the switch to this Micro-Air product.
Thank You,
Tom
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04-14-2022, 11:13 AM
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#2
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Site Team
2009 25' FB International
2018 27' Globetrotter
Tavares
, Florida
Join Date: Mar 2014
Posts: 3,674
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Hello Tom,
We've lived in Caledonia for a few years. Nice part of Michigan!
I've made the switch and I do find the Micro-Air easy-touch easier to use. It is more intuitive with pictures representing the different functions.
I also like that it lights up upon touching and then turns itself off again. That is especially helpful at night.
The Bluetooth and wi-fi capabilities are also a definite plus. I can now adjust the thermostat using my iPhone.
I'd buy it again!
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04-14-2022, 11:36 AM
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#3
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2 Rivet Member
2023 33' Classic
Casa Grande
, Arizona
Join Date: Nov 2016
Posts: 55
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We bought it at the last International Rally it’s a great product and a no-brainer install.
__________________
Steven & Lisa
"Mandy" 2023 Airstream Classic 33
2016 Dodge Ram Laramie 4x4 CC w/6.7L Cummins
ProPride 3P
WBCCI Region 11 President - Life Members #222, AIR #118556, KJ6DKF
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04-14-2022, 02:46 PM
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#4
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2 Rivet Member
2022 27' Globetrotter
Costa Mesa
, California
Join Date: May 2021
Posts: 33
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We picked up our GT27 late Nov 2022 and was less than impressed with the Dometic HVAC thermostat. It took multiple efforts to get it to control one particular a/c unit. 2 weeks later we were having Ronnie Dennis lift her & install soft-starts. He checked out the thermostat and could not get it working correctly either. Showed me the Micro-Air in his Airstream. 15 minutes later a Micro-Air was installed in mine and SO happy with it. Very intuitive, unlike the Dometic.
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04-15-2022, 06:47 AM
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#5
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Thomas J
2018 27' Globetrotter
Shelbyville
, Michigan
Join Date: Oct 2018
Posts: 29
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Thanks for the quick reply!
Very helpful.
Caledonia...do you live there now? We live south of Wayland on a small private lake. Moved here after living in Grand Rapids.
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04-15-2022, 06:49 AM
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#6
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Thomas J
2018 27' Globetrotter
Shelbyville
, Michigan
Join Date: Oct 2018
Posts: 29
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Thank You for the quick reply!
I sent a note to the manufacturer yesterday with a question about the unit's ability to handle 2 zones, and they responded immediately. Very impressed.
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04-15-2022, 06:52 AM
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#7
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Thomas J
2018 27' Globetrotter
Shelbyville
, Michigan
Join Date: Oct 2018
Posts: 29
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Thank You for the quick reply!
We also have had soft starts installed on both AC units.
Which leads to another question...have you ever operated the AC on a generator? I have heard from others that you can run one of the AC units on a companion Honda 2000 generator with the 30amp outlet.
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04-15-2022, 06:54 AM
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#8
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Thomas J
2018 27' Globetrotter
Shelbyville
, Michigan
Join Date: Oct 2018
Posts: 29
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Thanks for the help!
Thank You to those that responded.
Between your experience with the MicroAir unit, and communication that I've had with the company about some questions, I'm impressed!
I'm eater to replace that Dometic unit.
Tom
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04-15-2022, 08:21 AM
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#9
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Rivet Master
2008 27' International FB
Petaluma
, California
Join Date: May 2011
Posts: 1,348
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The Micro-Aire is easy to install and much easier to use although the automatic functions (scheduling) are a bit non-intuitive as is the change from F to C on the read out. I do like starting the furnace in the morning from the comfort of my bed/iPhone! - Brad
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04-15-2022, 09:32 AM
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#10
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1 Rivet Member
2017 25' Flying Cloud
La Canada
, California
Join Date: Jan 2021
Posts: 11
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Easily one of the best upgrades I have made! That Dometic was SO FRUSTRATING!!! Now I am at peace with my thermostat!
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04-15-2022, 10:04 AM
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#11
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2 Rivet Member
2014 25' FB International
Sacramento
, California
Join Date: May 2017
Posts: 40
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Where do you buy them ?
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04-15-2022, 02:25 PM
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#12
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3 Rivet Member
2012 30' International
Livingston
, Texas
Join Date: Jun 2015
Posts: 121
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Can you provide a link to the thermostat?
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04-15-2022, 02:34 PM
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#13
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Rivet Master
2008 27' International FB
Petaluma
, California
Join Date: May 2011
Posts: 1,348
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04-15-2022, 03:03 PM
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#14
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Site Team
2009 25' FB International
2018 27' Globetrotter
Tavares
, Florida
Join Date: Mar 2014
Posts: 3,674
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Quote:
Originally Posted by TStehouwer
Thanks for the quick reply!
Very helpful.
Caledonia...do you live there now? We live south of Wayland on a small private lake. Moved here after living in Grand Rapids.
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We no longer live in MI. But we did enjoy our time there.
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04-16-2022, 04:06 AM
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#15
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3 Rivet Member
2016 25' Flying Cloud
Selbyville
, Delaware
Join Date: Jun 2015
Posts: 216
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I had Micro-Air install my Easy Start and they also put in my EasyTouch at the same time at their headquarters in Allentown NJ. Terrific bunch and support is terrific. So glad I did. As far as running your AC you can use the standard Honda EU 2000 generator as well as the Companion. Remember to switch your refrigerator to propane only and turn off your converter using the appropriate circuit breaker while running the AC!
__________________
Jamie
2016 25' RBT Flying Cloud "Bullseye"
2016 Chevy 2500 High Country Duramax Diesel
WBCCI #9026 Delmarva Unit
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04-16-2022, 04:07 AM
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#16
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3 Rivet Member
2016 25' Flying Cloud
Selbyville
, Delaware
Join Date: Jun 2015
Posts: 216
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Also- changing from C to F and back is as simple as touching the temp readout itself. Took me a while to figure that one out.
__________________
Jamie
2016 25' RBT Flying Cloud "Bullseye"
2016 Chevy 2500 High Country Duramax Diesel
WBCCI #9026 Delmarva Unit
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04-16-2022, 09:57 AM
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#17
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Rivet Master
2014 31' Classic
2015 23' International
2013 25' FB International
Apache Junction
, Arizona
Join Date: Sep 2012
Posts: 6,215
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We recently switched our 13.5K and 15K Dometic air conditioners for two 15K Coleman units. We got new Easy Starts with bluetooth capability but had to replace the MicroAir thermostat that cured all the A/C issues on our Classic for the Coleman compatible model. Also involved changes to the thermostat wiring which was a challenge.
The Coleman units are quiet enough to converse without shouting and the Easy Starts ramp up the compressor gently with no thump.
Both of our trailers have hidden Peplink modems hard wired to the battery so we can access the thermostats remotely and control the electrical Vectron equipment in the Classic. Added bonus is the GPS function which can track the trailer if it were "borrowed".
__________________
WBCCI Life Member 5123, AIR 70341, 4CU, WD9EMC
TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell
2014 31' Classic w/ twin beds, 50 amp service, 1000 watt solar system, Centramatics, Tuson TPMS, 12" disc brakes, 16" tires & wheels
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04-16-2022, 08:08 PM
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#18
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3 Rivet Member
2018 19' Flying Cloud
Eugene
, Oregon
Join Date: Mar 2015
Posts: 220
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I am thinking of getting a Micro-Air Thermostat 350 to replace my Dometic CCC2. It sounds like a pretty easy install … just take off the old thermostat, connect the wires … but the holes/screws has me hesitant. If the Micro-Air holes line up exactly with the Dometic, then I don’t see a problem. However, If they don’t then I would have to drill new holes. Something I am perhaps too skitterish about - maybe unnecessarily so.
Has anyone done a Micro-Air 350 install to replace a CCC2? If so … were there any mounting issues with holes not aligning and drilling involved?
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04-16-2022, 08:43 PM
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#19
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Rivet Master
2014 31' Classic
2015 23' International
2013 25' FB International
Apache Junction
, Arizona
Join Date: Sep 2012
Posts: 6,215
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One gets two buttons on screw heads after the conversion from Dometic to the Micro Air thermostat. Or one chose a large backing plate. Reason is the input location of the wires are on opposite sides of the two units.
The fitment in terms of holes is the same for the Micro Air thermostat for Dometic and Coleman. Also the Coleman A/C units are shorter, so the front and rear Dometic screw holes get buttons....
__________________
WBCCI Life Member 5123, AIR 70341, 4CU, WD9EMC
TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell
2014 31' Classic w/ twin beds, 50 amp service, 1000 watt solar system, Centramatics, Tuson TPMS, 12" disc brakes, 16" tires & wheels
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04-16-2022, 10:19 PM
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#20
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3 Rivet Member
2018 19' Flying Cloud
Eugene
, Oregon
Join Date: Mar 2015
Posts: 220
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Quote:
Originally Posted by switz
One gets two buttons on screw heads after the conversion from Dometic to the Micro Air thermostat. Or one chose a large backing plate. Reason is the input location of the wires are on opposite sides of the two units.
The fitment in terms of holes is the same for the Micro Air thermostat for Dometic and Coleman. Also the Coleman A/C units are shorter, so the front and rear Dometic screw holes get buttons....
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So do the holes line up or do I have to drill new ones?
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