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07-16-2016, 10:00 AM
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#1
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Senior Member
Join Date: Apr 2011
Location: Philadelphia PA
Posts: 460
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1000 watt Inverter question.
For my 2015 Palomino Puma 32DBKS I bought a 1000 watt DC to AC inverter to power my outside kitchen refrigerator for a 3 hour trip. If I turn off all circuits except the one for the refrigerator, can I plug in my trailer's shore power cord into the inverter. Below is a picture of my power panel. How would I prevent the trailer's power converter from attempting to charge the battery, or is this not a concern if I turn off all breakers except the outside refrigerator circuit?
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Bill & Cindy McKenna
Philadelphia PA
2015 Palomino Puma 32DBKS
2005 Ford Excursion 6 liter Turbo Diesel
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07-16-2016, 10:22 AM
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#2
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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1000 watt Inverter question.
The converter has a breaker that you shut off
Also, as I found out, there are few actual circuit in the trailer. You want the outside fridge, you will get a lot more powered.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 10:26 AM
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#3
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Senior Member
Join Date: Apr 2011
Location: Philadelphia PA
Posts: 460
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Ahhhhh, ok, I would switch the 15 amp CONVT to off with the other unneeded circuits. Thanks!
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Bill & Cindy McKenna
Philadelphia PA
2015 Palomino Puma 32DBKS
2005 Ford Excursion 6 liter Turbo Diesel
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07-16-2016, 10:40 AM
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#4
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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When I did my inverter, I used a sub panel.
Only pulled four circuits from the main panel, and am powering almost the whole trailer.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 10:46 AM
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#5
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Senior Member
Join Date: Apr 2011
Location: Philadelphia PA
Posts: 460
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Quote:
Originally Posted by Kenny kustom
When I did my inverter, I used a sub panel.
Only pulled four circuits from the main panel, and am powering almost the whole trailer.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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Yes, I planned on doing something more permanent than just plugging the umbilical cord into it but my trip starts tomorrow morning and I just got my trailer back from the dealer yesterday, replaced the inside Dometic refrigerator. It was under warranty. That leaves me a few hours to pack, and get the trailer ready. Thanks for your reply.
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Bill & Cindy McKenna
Philadelphia PA
2015 Palomino Puma 32DBKS
2005 Ford Excursion 6 liter Turbo Diesel
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07-16-2016, 10:48 AM
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#6
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Senior Member
Join Date: Apr 2011
Location: Philadelphia PA
Posts: 460
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Quote:
Originally Posted by Kenny kustom
The converter has a breaker that you shut off
Also, as I found out, there are few actual circuit in the trailer. You want the outside fridge, you will get a lot more powered.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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What about the fuses? Take them out also or just shut off the breakers?
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Bill & Cindy McKenna
Philadelphia PA
2015 Palomino Puma 32DBKS
2005 Ford Excursion 6 liter Turbo Diesel
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07-16-2016, 10:51 AM
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#7
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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The fuses are your 12v dc side.
Leave them be
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 11:24 AM
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#8
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Senior Member
Join Date: Apr 2011
Location: Philadelphia PA
Posts: 460
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Quote:
Originally Posted by Kenny kustom
The fuses are your 12v dc side.
Leave them be
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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Thank you so much for your help! !!
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Bill & Cindy McKenna
Philadelphia PA
2015 Palomino Puma 32DBKS
2005 Ford Excursion 6 liter Turbo Diesel
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07-16-2016, 11:31 AM
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#9
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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Here's my sub panel.
I needed to run a few more circuits than you require.
Not quite finished cleaning it all up.
Waiting for one more component.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 12:33 PM
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#10
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Senior Member
Join Date: May 2014
Location: IL
Posts: 1,296
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Hi,
Because I was concerned about eventual breaker failure from using it as a switch, I simply unplugged my converter, and plugged it into a switched power bar that is plugged into that circuit. Tap a rocker switch and the converter is off: tap it again and it's back on when I need it to be operating.
FWIW.
Rich Phillips
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07-16-2016, 12:54 PM
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#11
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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Keep in mind... You will get little to nothing off the tow vehicle to charge.
I run both fridges on electric, through the the inverter while driving.
I do have 450ah of battery though.
With that... After about a 4 hour drive, I'm at 75-80% SOC.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 04:57 PM
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#12
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Senior Member
Join Date: Apr 2011
Location: Philadelphia PA
Posts: 460
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Quote:
Originally Posted by Kenny kustom
Keep in mind... You will get little to nothing off the tow vehicle to charge.
I run both fridges on electric, through the the inverter while driving.
I do have 450ah of battery though.
With that... After about a 4 hour drive, I'm at 75-80% SOC.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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Wow, ok, I have a 23 amp hour 140 minute battery. My refrigerator is 115v/60hz and running amps is 1.1 and start up amps is 4. With nothing else running ideally I would be able to run the refrigerator for 23 hours? I have 1 small computer fan running on the inside refrigerator that will be running on gas. I am only looking for 3 hours travel time then hooked up to shore power. I understand my TV will not charge the battery. Do I stand a good chance of success?
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Bill & Cindy McKenna
Philadelphia PA
2015 Palomino Puma 32DBKS
2005 Ford Excursion 6 liter Turbo Diesel
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07-16-2016, 05:17 PM
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#13
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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No.
Way too small to run an inverter of that size, for any length of time.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 05:19 PM
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#14
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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1000 watt Inverter question.
No.
Way too small to run an inverter of that size, for any length of time.
Although. Before I had my inverter, even a three hour ride, the outside fridge was still plenty cold.
As long as it cold when you start.
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 05:28 PM
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#15
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Senior Member
Join Date: Apr 2011
Location: Philadelphia PA
Posts: 460
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I was afraid of that. Thanks for all your help!
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Bill & Cindy McKenna
Philadelphia PA
2015 Palomino Puma 32DBKS
2005 Ford Excursion 6 liter Turbo Diesel
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07-16-2016, 05:33 PM
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#16
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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Quote:
Originally Posted by Bilcin
I was afraid of that. Thanks for all your help!
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Chill the fridge, fill it with cold ones, you will be fine!!
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 05:53 PM
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#17
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Site Team
Join Date: Oct 2014
Posts: 15,301
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Quote:
Originally Posted by Bilcin
. My refrigerator is 115v/60hz and running amps is 1.1 and start up amps is 4. Do I stand a good chance of success?
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That is 1.1A on 115VAC, which means that the converter will be drawing 12-14ADC from the battery. As you do not want to draw the battery down over 50%. The battery will last about 1hr.
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2015 Freedom Express 248RBS
TV 2015 Silverado HD2500 Duramax
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Honda 2000I + Companion
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07-16-2016, 06:40 PM
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#18
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Senior Member
Join Date: Feb 2013
Location: Pfafftown NC
Posts: 2,353
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Different tow vehicles will provide drastically different charging current. Don't rule out what help that might be. While it most likely will not keep up with the draw of the refrigerator, it might not let the battery go as low as predicted. JMHO
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07-16-2016, 06:48 PM
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#19
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Senior Member
Join Date: Sep 2015
Posts: 3,464
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1000 watt Inverter question.
Quote:
Originally Posted by Evereddie
Different tow vehicles will provide drastically different charging current. Don't rule out what help that might be. While it most likely will not keep up with the draw of the refrigerator, it might not let the battery go as low as predicted. JMHO
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There's still not a tow vehicle that I've ever seen that has 4ga running to the back.
Until I do that to mine.....
2016 Sabre 36QBOK
2015 Ram 3500 CUMMINS
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2017 Dynamax Isata 4
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07-16-2016, 07:04 PM
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#20
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Senior Member
Join Date: Jun 2013
Posts: 10,833
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Was size alternator in your Ram? Doesn't the subwoofer required to listen to the CBC vinyl cafe reruns take a lot of juice while driving to the park?
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