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04-23-2020, 08:37 AM
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#1
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New Member
Join Date: Sep 2019
Location: Britton
Posts: 8
M.O.C. #24950
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removing air conditioner
just wondering, we have 2 air conditioners and we never use our front one over the bedroom. The back one works fine for the whole trailer. How easy is it to remove the unit and put in a normal roof vent. And will it screw up the thermostat which is a digital. wondering about all the wiring
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04-23-2020, 09:54 AM
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#2
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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I personally would not do that and just keep the front AC in place. Nice to have backup if/when you lose the back AC unit. Interesting question (no answer from me!) on the digital thermostat.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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04-23-2020, 03:30 PM
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#3
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Montana Fan
Join Date: Apr 2019
Location: Columbia
Posts: 303
M.O.C. #23739
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If the front is zone 2 you can remove it with no issues. It is just disconnecting wires and 4 bolts that compress the gasket to the inside plate. It should not affect the thermostat if you disconnect the correct wires.
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04-23-2020, 10:20 PM
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#4
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Site Team
Join Date: Apr 2017
Location: Colorado Rockies
Posts: 1,925
M.O.C. #19755
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You will have issues installing a roof vent in the hole that was cut for your air conditioning unit. Wrong size, wrong shape.
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Scott & Alta
2017 Montana 3160RL, Legacy, Onan 5.5Kw, Solar
2022 F-450 Lariat Ultimate
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04-23-2020, 10:41 PM
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#5
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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Bottomline.....don't even go there. You'll create a bigger issue trying to fill the hole.
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04-24-2020, 07:35 AM
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#6
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Montana Master
Join Date: Nov 2007
Location: Kville
Posts: 2,865
M.O.C. #7871
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Quote:
Originally Posted by mazboy
Bottomline.....don't even go there. You'll create a bigger issue trying to fill the hole.
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Yep. If you remove that front A/C. I guarantee you'll be sorry...you'll be some where really really hot and will need that front AC. We bought a motor home that had three A/Cs....I thought the third was over kill....until we got to south Texas.
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04-24-2020, 09:17 AM
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#7
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Montana Master
Join Date: Aug 2018
Location: Minden - NV
Posts: 501
M.O.C. #22360
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If you want a vent, just add one behind the front AC....
This is the repurposed kitchen vent I relocated when I added the 3rd AC.
__________________
2013 F350 Lariat Ultimate CC LB
2019 3790RD
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04-24-2020, 09:22 AM
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#8
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Montana Master
Join Date: Aug 2018
Location: Minden - NV
Posts: 501
M.O.C. #22360
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Top view...
__________________
2013 F350 Lariat Ultimate CC LB
2019 3790RD
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04-24-2020, 10:15 AM
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#9
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Montana Master
Join Date: Apr 2017
Location: 1000 oaks
Posts: 954
M.O.C. #19630
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Quote:
Originally Posted by JeffJ
just wondering, we have 2 air conditioners and we never use our front one over the bedroom. The back one works fine for the whole trailer. How easy is it to remove the unit and put in a normal roof vent. And will it screw up the thermostat which is a digital. wondering about all the wiring
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Year and model of your trailer would help
__________________
2011 2955RL Gen-Y Executive Kingpin
2022 GMC 2500HD Duramax/Alison
4X4 Crew Cab/Standard bed.
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04-29-2020, 02:08 PM
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#10
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Established Member
Join Date: Mar 2020
Location: IDAHO FALLS
Posts: 12
M.O.C. #25960
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Here's my take, we've never had an issue with having one unit until recently. Normally we would be north by now and were planning on being in Oregon on the coast. Because of the Covide19 issue our reservations were cancelled and we stayed in Quartzsite. One unit doesn't even come close to cooling the rig. Running from about 8 in the morning until midnight we're if we can keep temp inside below 90 from noon until 7pm. My point you never know when you might need it.
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04-29-2020, 03:06 PM
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#11
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Montana Master
Join Date: Aug 2018
Location: Minden - NV
Posts: 501
M.O.C. #22360
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Quote:
Originally Posted by Code80
Here's my take, we've never had an issue with having one unit until recently. Normally we would be north by now and were planning on being in Oregon on the coast. Because of the Covide19 issue our reservations were cancelled and we stayed in Quartzsite. One unit doesn't even come close to cooling the rig. Running from about 8 in the morning until midnight we're if we can keep temp inside below 90 from noon until 7pm. My point you never know when you might need it.
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Two are barely enough in some conditions. I added the third AC after that revelation.
__________________
2013 F350 Lariat Ultimate CC LB
2019 3790RD
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04-29-2020, 03:06 PM
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#12
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Seasoned Camper
Join Date: Jul 2016
Location: Santa Rosa Beach
Posts: 60
M.O.C. #18757
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As soon as you remove the AC, the other one will quit working. Guaranteed to happen when you are on the road.
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04-29-2020, 03:12 PM
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#13
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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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I like having THREE!
__________________
John & Patty
2022 3855 BR
2019 Lariat F350 4X4 Dually
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04-29-2020, 03:52 PM
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#14
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Montana Fan
Join Date: Jan 2020
Location: Southoftheboarder :)
Posts: 109
M.O.C. #25725
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Could be a very expensive fix IF something isn't 100percent sealed.
I completely agree with "you never know when you need it". If you ever decide to come to the South East--Md down thru Fla...you must have 2 ac's maybe 3.
It's your rig, do with it what you want to do to make it yours.
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04-29-2020, 04:04 PM
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#15
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Montana Fan
Join Date: Aug 2017
Location: Olmsted Falls
Posts: 218
M.O.C. #20364
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Damn its hot
Quote:
Originally Posted by jetskier
Two are barely enough in some conditions. I added the third AC after that revelation.
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We are in a similar position as another reader. We have a 3820FK 2017 with 2 13500 AC units and are struggling to keep it below 80 inside with the outside upper 90s and higher, especially in direct sunshine. Didn't think we would need the 2nd AC, now stuck in high desert in late April going into May, damn it's hot and glad we have 2 ACs running 10am until 6pm.
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04-29-2020, 05:25 PM
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#16
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Established Member
Join Date: Jan 2019
Location: Homosassa Springs
Posts: 12
M.O.C. #23249
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Quote:
Originally Posted by JeffJ
just wondering, we have 2 air conditioners and we never use our front one over the bedroom. The back one works fine for the whole trailer. How easy is it to remove the unit and put in a normal roof vent. And will it screw up the thermostat which is a digital. wondering about all the wiring
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Shut off the breaker for this unit. Remove the inside cover and unplug the wiring . Cap off the power wires. Remove the 4 bolts going to the roof unit.
The opening is 14 1/2 inches as all are. This is the same size on a roof fan. Use the old power wires to hook up the new fan. Tuck the thermostat wires back in the ceiling.
Getting the old unit down off the roof is the hardest part.
Good luck
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04-29-2020, 06:00 PM
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#17
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Established Member
Join Date: Mar 2010
Location: Canton
Posts: 15
M.O.C. #10267
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We have a 2015 Big Sky Montana 3725 RL we are in Orlando as the temperatures are 90 to 95 degrees. We have two air condition from the factory I wish I could put a third one in. From 12:00 noon to about 9 p.m. both air conditioners are running Non-Stop and it only cools down to about 77 to 80° degrees. At night once it gets down to temperature the air condition might come on once or twice through the night do not take out that second air condition you will be sorry 😐 if you take it out and you go somewhere where is above 90 degrees
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04-29-2020, 07:00 PM
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#18
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Montana Fan
Join Date: Oct 2010
Location: Park Hill
Posts: 166
M.O.C. #10841
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No way, Would not even consider removing it.
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04-30-2020, 05:53 AM
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#19
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Montana Fan
Join Date: Jun 2015
Location: Cedar Park
Posts: 135
M.O.C. #17531
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I would not do that.
__________________
Jack & Rebecca
2015 Montana High Country
2006 Ford F250 SWB, 4X4, 6.0 diesel
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04-30-2020, 09:30 AM
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#20
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Montana Fan
Join Date: Mar 2009
Location: Sun Lakes, AZ 85248
Posts: 179
M.O.C. #9174
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When you are ready to sell or trade-in your Montana the second AC is a must-have to any potential buyer.
__________________
Carl & Susan G
2021 Montana 3121RL Legacy
2017 Ford F250 6.7 diesel
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