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10-04-2015, 06:14 AM
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#1
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Montana Fan
Join Date: Mar 2015
Location: Mountain Home
Posts: 148
M.O.C. #17188
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Heat pump
I have a 3910fb with a domestic rear 15k ac, my thermostat says it has a HP mode, I'm assuming that is heat pump. No such mode on front A/C, how do I know if it for sure has a heat pump????
__________________
Andy and Nancy Parish
Marlee Claire and Magnolia Caroline
Pomeranian bosses AKA The MCfurries, Big white cat "G"
Mountain Home, Arkansas
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10-04-2015, 06:42 AM
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#2
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Montana Master
Join Date: Jun 2006
Location: Madison
Posts: 1,239
M.O.C. #5906
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There are RV air conditioners out there that now include a heat pump. You may have one or you may have a generic thermostat that is set up to run one. Why don't you try it and see if it puts out heat.
BTW, our thermostat and the instructions that came with it are for two air conditioners. We have only one, so all of the stuff to operate the second doesn't work. You may have a similar situation.
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10-09-2015, 12:38 PM
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#3
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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The dometic thermostat has that mode IF you have a heat pump installed. Not likely on a montana. John
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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10-09-2015, 01:55 PM
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#4
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Montana Master
Join Date: Nov 2007
Location: Atlanta
Posts: 908
M.O.C. #7915
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The first time it gets chilly try it. FYI, it will not work below around 40 degrees...it just blows cool air.
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10-09-2015, 03:56 PM
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#5
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Montana Fan
Join Date: Mar 2015
Location: Mountain Home
Posts: 148
M.O.C. #17188
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I will try it. Can't seem to find anything on it. Guess I will pull the cover and get serial and model number and call dometic. Thanks everyone for your input.
__________________
Andy and Nancy Parish
Marlee Claire and Magnolia Caroline
Pomeranian bosses AKA The MCfurries, Big white cat "G"
Mountain Home, Arkansas
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10-09-2015, 04:59 PM
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#6
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Montana Master
Join Date: Mar 2015
Location: West Richland
Posts: 1,253
M.O.C. #17164
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Heat pumps only on Big Sky is what I was told. I wanted to upgrade to a Heat pump on my Montana but was told no way. Same with an awning that has the aluminum cover, no way.
Tom Marty
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10-10-2015, 03:04 AM
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#7
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Montana Master
Join Date: Mar 2014
Location: Kissimmee
Posts: 545
M.O.C. #14096
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It's odd that the thermostat has a HP setting if it doesn't have a heat pump. Our Big Sky has it and we love it. We have one thermostat for both units, but only the rear unit has the HP option. The front unit does not have a heat pump and no HP option is on the thermostat for that unit. I would certainly give it a try.
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10-10-2015, 04:46 AM
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#8
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Montana Fan
Join Date: Mar 2015
Location: Mountain Home
Posts: 148
M.O.C. #17188
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Exactly how mine is, no option on zone 2 but it has hp mode on zone 1.
__________________
Andy and Nancy Parish
Marlee Claire and Magnolia Caroline
Pomeranian bosses AKA The MCfurries, Big white cat "G"
Mountain Home, Arkansas
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12-25-2017, 07:38 PM
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#9
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Established Member
Join Date: Jul 2017
Location: Bassfield
Posts: 33
M.O.C. #20181
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Can anyone tell me what the heat strip setting is on our thermostat? We have a Montana High Country 353RL.
Thanks!
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12-25-2017, 10:16 PM
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#10
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Montana Master
Join Date: Jan 2016
Location: STAYTON
Posts: 1,118
M.O.C. #18157
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Quote:
Originally Posted by GoodTimes
Can anyone tell me what the heat strip setting is on our thermostat? We have a Montana High Country 353RL.
Thanks!
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Probably doesn't have a heat strip in it unless you ordered it with..?
It would be on the thermostat if it was there, push the mode button while in zone 1 and see.
Mark
__________________
“Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times.”
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12-25-2017, 10:39 PM
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#11
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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Quote:
Originally Posted by MARK A
Probably doesn't have a heat strip in it unless you ordered it with..?
It would be on the thermostat if it was there, push the mode button while in zone 1 and see.
Mark
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Agree. Long ago I had an AC unit with the heat strip and the only way to activate it was a switch on the unit itself. On newer units there would be a thermostat setting just like currently for the heat pump.
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12-26-2017, 09:58 AM
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#13
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Our 2017, not a legacy, has a heat pump and I think most new rig come with one.
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12-26-2017, 06:18 PM
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#14
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Established Member
Join Date: Jul 2017
Location: Bassfield
Posts: 33
M.O.C. #20181
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kdeiss......that link you posted with the picture of the thermostat looks just like ours except ours says heat strip not heat pump. We must have it because we got heat from it last night! Don’t usually have to worry about staying warm in Gulf Shores!  Thanks for replying everyone!
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12-26-2017, 06:38 PM
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#15
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Montana Master
Join Date: Feb 2003
Location: Englewood
Posts: 3,095
M.O.C. #164
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What you have is a resistive electric element a different shape but works like the element in an Electric Stove oven. So sounds like you do not hsve a Heat Pump.
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12-26-2017, 08:56 PM
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#16
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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Are 2017 352RL has a heat pump came from the factory that way all the new Montanas
we looked at had them works good to.
Bob & Carol
Washington St
2017 352RL 2008 Dodge 3500 DRW crew Cab 4x4 LB 6.7L
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12-26-2017, 11:20 PM
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#17
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Site Team
Join Date: Apr 2017
Location: Colorado Rockies
Posts: 1,921
M.O.C. #19755
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Andy, I don't see what year your RV is. I'm not sure why others are saying Montana's don't come with heat pumps, but the main AC unit on my 2017 Montana is a heat pump; I think it is standard now. The bedroom unit is not a heat pump.
This from the build sheet:
__________________
Scott & Alta
2017 Montana 3160RL, Legacy, Onan 5.5Kw, Solar
2022 F-450 Lariat Ultimate
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12-27-2017, 05:26 AM
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#18
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Montana Master
Join Date: Oct 2017
Location: Trinidad, TX
Posts: 506
M.O.C. #20746
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We just picked up our 3121RL yesterday and the rear unit had the heat pump. The tech showed me how to activate it so I know the rig was equipped with it.
__________________
2018 Ram 3500 Laramie Longhorn 4X4 Dually Cummins Aisin CC LB / B&W Companion hitch
50 Gallon Transfer Flow in bed tank w/ Trax 3
2018 Montana 3121RL
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12-27-2017, 05:33 AM
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#19
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Montana Master
Join Date: Mar 2013
Location: Frostproof, FL USA
Posts: 2,362
M.O.C. #13272
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I think more and more MHs and fivers are slowly changing over to electric. By having a heat pump option plus induction stove top the only thing left to run off of propane is a furnace (backup), and water heater.
__________________
Previous: 2008 Montana 3400RL & 2014 3725RL
Current: Full Time 2022 SOB TT Toy Hauler
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12-27-2017, 06:21 AM
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#20
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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Quote:
Originally Posted by JandC
I think more and more MHs and fivers are slowly changing over to electric. By having a heat pump option plus induction stove top the only thing left to run off of propane is a furnace (backup), and water heater.
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Especially those with 50 amp service. It seems more are running 50 amp every year.
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Linear Mode
