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10-21-2011, 12:32 PM
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#1
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Seasoned Camper
Join Date: Aug 2006
Location: Summerville
Posts: 50
M.O.C. #6130
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Dometic Dual Zone Thermostat
Is the "outside temp" function on the Dometic dual zone thermostat an option or does it just need to be connected? i hate to see any device that has a potential function but I can't use it. Anyone have experience with this particular thermostat and function?
TKO
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10-21-2011, 03:13 PM
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#2
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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I have the same t-stat. Mine also has the button and doesn't work. That said, I did read the instructions and it says the sensor would be up on the roof. IIRC. so as far as getting a true outdoor temp would be very slim.
kevin
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10-26-2011, 05:37 PM
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#3
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Montana Fan
Join Date: Sep 2009
Location: Olympia
Posts: 410
M.O.C. #9671
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Quote:
quote:Originally posted by Tko
Is the "outside temp" function on the Dometic dual zone thermostat an option or does it just need to be connected? i hate to see any device that has a potential function but I can't use it. Anyone have experience with this particular thermostat and function?
TKO
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Mmmm..... When we had our PDI last month, we were told about the dual zone thermostat. And were told the second sensor is in the bedroom next to the ceiling vent, it is all ready installed next to where the second Roof air unit would go if we should choose to have one installed. If you look next to the vent you can see it. Its about two inches across and looks like it has a screen covering it.
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10-26-2011, 06:35 PM
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#4
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,690
M.O.C. #4831
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The "outside temp" function is different from the second temperature sensor in the bedroom. The "outside temp" is an optional feature which is not installed on Montana's. I suspect it it a hardwired device although I have no proof of that.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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10-27-2011, 03:19 AM
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#5
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Montana Master
Join Date: Feb 2007
Location: Winfield
Posts: 7,327
M.O.C. #6846
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I checked with Dometic previously and there possibly is added hardware that is required to activate the outside temperature function. Here is the response that I received:
"The outdoor sensor is provided with the AC unit when it is purchased by the manufacturer. They may be choosing to not have this feature and not connecting it to the control board, we can not answer that question. I can tell you that the sensor is available for purchase thru Dometic. The part number is 3311731.000 and this retails for $18.75, if ordered thru us there would be a $15.00 shipping fee as well. This sensor will need to be plugged into your control board at the P3 connector. Thank you
If you are in need of any Dometic refrigerator or air conditioner or A& E awning parts you can call us at 1-800-544-4881 or purchase from any dealer or Camping World location.
If we can be of any future service do not hesitate to contact us. Thank you for choosing Dometic product lines.
Customer Support Center
Dometic LLC"
Hope this helps,
Bingo
__________________
Bingo and Cathy - Our adventures begin in the hills of WV. We are blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.
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10-27-2011, 05:39 AM
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#6
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Montana Fan
Join Date: Nov 2010
Location: Northwest Tennessee
Posts: 450
M.O.C. #10884
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The second temp sensor next to the A/C in the bedroom ceiling is being relocated by the dealer under warranty on our Monty. Our problem was the temp for the bedroom had to be lowered to 55 or so to keep the unit running because the temp sensor cools quickly with the unit running. Zone 1 would indicate a temp of say 78 and the bedroom (zone 2) would read 59 or so. The temps for both zones would indicate about the same if neither unit had been running. Hopefully, this will improve or solve the situation.
__________________
2017 Montana 3611
2012 Chevy 2500
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10-27-2011, 12:17 PM
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#7
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Seasoned Camper
Join Date: Aug 2006
Location: Summerville
Posts: 50
M.O.C. #6130
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Thank you all for your response. Bingo - thank you for the details. I'm inclined to think this fits my situation. I just don't like to see unused capability if I can help it. Besides, seeing the outside temp would be a good thing. I may just order the sensor and see what happens - after my warranty runs out of course.
Happy Trails
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10-27-2011, 12:37 PM
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#8
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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TKO, I also thought about getting the sensor hooked up, Like you it bummed me out it didn't work and i had a button for it. Until the tech told me the sensor was on the roof at the ac unit. Really don't know how accurate that would be on the roof, can get mighty hot up there. I added a remote sensor under the front near the pin box works just fine.
kevin
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10-27-2011, 02:09 PM
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#9
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Montana Master
Join Date: Feb 2007
Location: Winfield
Posts: 7,327
M.O.C. #6846
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Keep in mind the warranty for the air conditioners and even the thermostat is two years. At least that is what our dealer told us.
Bingo
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10-27-2011, 02:15 PM
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#10
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Seasoned Camper
Join Date: Aug 2006
Location: Summerville
Posts: 50
M.O.C. #6130
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Bingo - yeah, two long years....oh well I'll find something else that bugs me until it is time. Kevin - did your remote sensor at the pin box feed a separate readout? Do you have a brand name? I would agree that the temp on the roof would be impacted by the heat coming off of the roof material and not just the ambient air temp. But, like I said this is one of my pet peeves...just don't like it - nope, not one bit.
Tko
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10-27-2011, 02:58 PM
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#11
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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I'll have it for you tomorrow. Yup sensor sends info inside to a display.
kevin
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10-28-2011, 10:04 AM
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#12
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Seasoned Camper
Join Date: Aug 2006
Location: Summerville
Posts: 50
M.O.C. #6130
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Kevin,
Thank you. I won't be able to check until I return from a trip to the desert (not in the U.S.) early November.
Happy trails to all....
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11-02-2011, 06:07 PM
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#13
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Montana Fan
Join Date: Sep 2009
Location: Olympia
Posts: 410
M.O.C. #9671
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I have a Digital Atomic clock, with an outdoor temp sensor under the front cap it works great.
The Brand name is La Crosse they sell all types even ones with weather.
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11-02-2011, 06:17 PM
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#14
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Montana Fan
Join Date: Sep 2009
Location: Olympia
Posts: 410
M.O.C. #9671
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I have a Digital Atomic clock, with an outdoor temp sensor under the front cap it works great.
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11-04-2011, 05:31 AM
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#15
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Montana Master
Join Date: Feb 2008
Location: Hillsboro
Posts: 593
M.O.C. #8238
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(quote) Mmmm..... When we had our PDI last month, we were told about the dual zone thermostat. And were told the second sensor is in the bedroom next to the ceiling vent, it is all ready installed next to where the second Roof air unit would go if we should choose to have one installed. If you look next to the vent you can see it. Its about two inches across and looks like it has a screen covering it
We also have this sensor in our '11 3400. I did some checking, and the best I can come up with is this is a second sensor tied to the t'stat that "averages" the temps in the rooms. Our main t'stat is on the wall next to the stairs, so that puts the two sensing areas only about 8 feet apart. I may move it one of these days. We do have to set the t'stat a bit higher to keep the main area warm, as everyone knows that heat rises, so the bedroom ceiling is a "warm" spot in the trailer, affecting the "average".
__________________
Terry and Patsy
Vietnam Veteran, US Navy
2017 3810
2015 GMC Sierra 4X4 3500 SRW
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