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03-19-2016, 05:21 AM
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#1
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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Quiet Cool AC on 2015 3440RL Maintenance?
On our new trailer, the main AC in the dining area is what they call a "Quiet Cool", it is totally ducted with no inside filters to clean. I looked through all the info that came with the trailer but nothing about any filter cleaning is there any maintenance to do on this AC?
Thanks
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Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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03-19-2016, 06:05 AM
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#2
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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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I have two rectangular air returns in the living room near each side of the ceiling that contain a mesh filter. Surely keystone didn't eliminate returns...maybe a different form factor. John
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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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03-19-2016, 06:21 AM
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#3
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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We have the two rectangular return vents as well. They do get dirty.
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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03-19-2016, 06:22 AM
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#4
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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Is that where they hid the washable filters?
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Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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03-19-2016, 06:53 AM
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#5
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Yup
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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03-19-2016, 08:30 AM
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#6
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,657
M.O.C. #9969
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If you keep watch of those return vents, you will see them go from Black to a Gray/White as they stop some of the dust.
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Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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03-19-2016, 08:42 AM
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#7
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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Thanks!
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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04-27-2016, 09:54 AM
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#8
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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Today I was able to get into the Monty and remove the two rectangular ceiling AC vents. And you folks were right that's where the filters were. When I took them down both were just covered with sawdust and tiny wood fragments probably from construction. I like to understand things, so are these return vents back to the AC?
Thanks
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Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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04-27-2016, 10:01 AM
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#9
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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Yes ... the return used to be in the mid ceiling unit with the quick cool dump ... now there are two separate ducts in your ceiling ... one supply ... one return.
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04-27-2016, 10:04 AM
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#10
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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Thanks, I learn something new every day!
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Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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04-27-2016, 12:30 PM
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#11
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Montana Master
Join Date: Jul 2010
Location: Lake Havasu City AZ.
Posts: 1,811
M.O.C. #10552
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I glued a 4"long by 1" wide pice of wood to the inside of the ceiling where the screws go that holds the grate in place. Otherwise the fiberboard holes wallow out and the grate will not stay in.
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Wayne and Ann Moore
2015 Ford F-350 King Ranch
Firestone air bags, bed saver.
Add 40 GAL tank in bed.
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04-27-2016, 01:04 PM
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#12
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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That's a very good idea, thanks.
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Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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04-27-2016, 02:52 PM
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#13
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Montana Master
Join Date: Mar 2015
Location: West Richland
Posts: 1,253
M.O.C. #17164
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I agree with what was previously stated on the addition of substantial wood for your screws to hold. Also if you look into the vents they are usually full of sawdust and the vent ductwork might be collapsed. I took out lots of sawdust and still need to brace the ductwork. It is also interesting to see what a crappy job they did with the router when cutting out the ceiling for the return vent cover. One is bad and the other is terrible, not even close to a rectangle hole. My filters did not look like they were washable as they were a whitish color and the screws seemed to snag and distort them.
Tom Marty
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04-27-2016, 07:33 PM
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#14
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Montana Fan
Join Date: Apr 2014
Location: Eureka
Posts: 276
M.O.C. #14208
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You can buy ac filter piece at Home Depot and you cut to size. Very inexpensive. I also had to brace up the ducting and it really improved the cooling. I could not see up in the vents so I put my iPhone camera up there and took a picture. It was quite a surprise to find the ducting completely blocked.
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04-28-2016, 07:12 AM
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#15
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Montana Master
Join Date: Aug 2010
Location: Washington Coast
Posts: 2,688
M.O.C. #10696
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Quote:
quote:Originally posted by bigskyjimmy
Yep that is what I do Home depot time for cheap filter material and I already braced up the ducting and it is pretty easy to do and it does help,I removed the ceiling grills and cut 1 1/2" pvc pipe into 6" length's. I reached up thru the grill opening and placed 2 pieces of pipe in the outer edges of the foam return air duct.
The pvc pipe propped the return air ducts open and increased the return air flow. ALSO what i did was cut a few of the angled louvers on the round output vents so the air goes DOWN not to the side or the ceiling
Quote:
quote:Originally posted by Jimmer
You can buy ac filter piece at Home Depot and you cut to size. Very inexpensive. I also had to brace up the ducting and it really improved the cooling. I could not see up in the vents so I put my iPhone camera up there and took a picture. It was quite a surprise to find the ducting completely blocked.
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04-30-2016, 01:35 PM
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#16
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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Well it was a Montana work day today. I took some strips of wood and glued them in the ceiling behind the return vent for the AC. At Menards I found some great AC filter material, cut out a bunch of them actually I think I got a total of 8 filters cut. I had some Velcro tape and I put a piece in all four of the corners behind the vent cover to hold my new filters in place. Assembled everything and boy did it feel good with the screws now going into a nice block of wood backing up the ceiling material.
Thanks for the suggestion!
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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05-02-2016, 10:00 AM
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#17
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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Only relating to the 'quiet cool" featured AC's ... I may have my RV brands mixed up, but the mid year 2016's - current 2017's return grills in the ceiling are plastic with removable covers that hold the filter in place. No more removing screws as they just hold the base on, just bow the cover and it lifts off the base, filter and all. They can be had for about $15 each from the factory and have the same dimensions as the metal grills of discussion on this thread.
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