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09-01-2020, 04:02 PM
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#1
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Established Member
Join Date: Jun 2020
Location: Parker
Posts: 30
M.O.C. #26528
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Newbie question
I have a 2020 3930 montana with a LP generator. - I emptied one entire stock 30lb tank in 1 1/2 days with only running the generator for 2-3 hours and normal breakfast grilling. Is this normal? Thought it was rated with a load to run for 1 hour per gallon. A 30lb tank is 7 gallons?
Also
Does anyone know what these 3 panel rocker switches control? The 2 panel switches control perimeter lights and the led strip on front but I see nothing happening with any of these switched on.
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09-01-2020, 05:56 PM
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#2
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Montana Fan
Join Date: Jun 2019
Location: new river
Posts: 413
M.O.C. #24181
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pulled this off the net
7 gallons
Most commonly, they mount two 30 lb tanks on the tongue of the trailer which supply gas for the refridgerator, heat, and stove-top. However, 30 lb tanks can be used with space heaters, construction heaters and other propane applications. A 30 lb tank holds 7 gallons of propane and weighs 55 lbs full.
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09-01-2020, 06:25 PM
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#3
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Those three switches are probably for you tank heaters.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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09-01-2020, 06:28 PM
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#4
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,658
M.O.C. #9969
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Seven Gals in the max capacity of 30 Lb propane tanks, but are generally filled to only 80% of capacity, so probably 5 or 6 hours under load would be about right.
We have dual 40 Lb tanks that again are rated at 10 Gals, but running both ACs can burn through a tank in approx 8 to 9 hours.
__________________
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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09-01-2020, 06:30 PM
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#5
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Established Member
Join Date: Jun 2020
Location: Parker
Posts: 30
M.O.C. #26528
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Quote:
Originally Posted by DQDick
Those three switches are probably for you tank heaters.
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Oh crap, that makes total sense. But I would guess tank heaters would consume allot of power. So surprised Keystone or the dealer couldn't tell me. Guess I will do a voltage draw test to see if anything changes when on.
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10-04-2020, 06:11 PM
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#6
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Montana Fan
Join Date: Mar 2020
Location: Fort Edward
Posts: 112
M.O.C. #25910
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Quote:
Originally Posted by Sharko
Oh crap, that makes total sense. But I would guess tank heaters would consume allot of power. So surprised Keystone or the dealer couldn't tell me. Guess I will do a voltage draw test to see if anything changes when on.
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How did you do the voltage draw test?
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10-04-2020, 06:43 PM
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#7
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Established Member
Join Date: Jun 2020
Location: Parker
Posts: 30
M.O.C. #26528
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I didn't do a test. Not sure if they only work on shore power. I guess you would check voltage across battery with voltmeter have someone turn them on while knowing nothing else is running. Or disconnect and put meter in series with current settings on meter and turn on to see the current pull with switches on then off
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10-04-2020, 06:46 PM
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#8
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Montana Fan
Join Date: Mar 2020
Location: Fort Edward
Posts: 112
M.O.C. #25910
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Thank you, I think I know how to do it, I just wanted to know if you had an easier way.
Stay safe.
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10-05-2020, 09:55 AM
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#9
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Montana Master
Join Date: Aug 2015
Location: Mena
Posts: 504
M.O.C. #17723
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The tank heaters are 12 V.
__________________
Ron & Rhonda
2021 3230CK Montana Legacy w/ Super SolarFlex
(old rig) 2015 Montana 3611RL 8K I.S., Disk Brakes, Sailun Tires
2015 F350 XLT Crew Dually 20K B&W Companion
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Linear Mode
