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RV-Dreams.com Home -> RV-Dreams Community Forum -> RV Maintenance and Technical Tips -> inverter
Post Info TOPIC: inverter
farley337


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put in a residential frig in 2013 palomino Columbus ,want to add inverter to run it while traveling and maybe overnight stop if we have no power ive studied diagrams tv is on same circuit which is great . do I run inverter power thru whole breaker box or can I pick just one breaker circuit?



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Steve Farstad
LarryW21


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Do you have the house battery capacity to run the residential fridge overnight without hookups?
How are you planning to recharge the house batteries? Driving?
Are you risking depleting your TV battery? i.e. can’t start TV in the morning?

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Winnebago TT 2101DS & 2020 Silverado LTZ Z71. 300 watts WindyNation solar w/MPPT, 2 Trojan T-125s. TALL flag pole. Prefer USFS, COE, BLM, USF&WS, NPS, TVA, state/county camps. 14 year Army vet-11B40 then 11A - old MOS 1542 & 1560.
LarryW21


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Do you have the house battery capacity to run the residential fridge overnight without hookups?
How are you planning to recharge the house batteries? Driving?
Are you risking depleting your TV battery? i.e. can’t start TV in the morning?

__________________

Winnebago TT 2101DS & 2020 Silverado LTZ Z71. 300 watts WindyNation solar w/MPPT, 2 Trojan T-125s. TALL flag pole. Prefer USFS, COE, BLM, USF&WS, NPS, TVA, state/county camps. 14 year Army vet-11B40 then 11A - old MOS 1542 & 1560.
farley337


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I have 2 big batteries and would be able to hook back up to power at night after traveling or next day if spent the night tv is ac 



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bjoyce


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Get a Kill-A-Watt meter or similar device to find out how much power the residential fridge uses.   Here is a Kill-A-Watt from Amazon for $20.33, https://www.amazon.com/P3-P4400-Electricity-Usage-Monitor/dp/B00009MDBU/ .  I have an alternate brand that saves maximum values like high watts, https://www.amazon.com/dp/B0753CW5VW/ , and i is $15.97.   These will tell you how big an inverter you need.  Size the inverter up by 25% of the high wattage and you should be fine.  https://www.donrowe.com/ is a great place to get an inverter.  You want a pure sinewave inverter, since most fridges require them.  As I type this DonRowe has a 1000watt Kisae pure sinewave inverter for $179, and that is a good brand.  

My recommendation is to mount the inverter by the batteries and run the power to the fridge via 120 volt cable.  You need to keep the 12volt cables as short as possible, but 120 volt can be much longer.  You can start by using an extension cord from the inverter outside and into the fridge compartment.  It will look a bit redneck, but will work while traveling.  While traveling plug the fridge into the inverter and when on hookups, plug it into its normal spot.  



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farley337


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thanks wanted to do it thru electrical panel so I don't have to change source from one to other

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Terry and Jo


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Farley,

LarryW21 is using short hand.  TV = tow vehicle, not television.  His question was in relationship to the batteries being recharged while hooked to the tow vehicle and using the alternator.  At least, that's what I think is is referring to in his comments.

Terry



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