Forum Discussion
BFL13
Mar 31, 2014Explorer II
pianotuna wrote:
Hi BFL13,
I suppose you could run the fridge on 120 volt setting as a "manual" diversion load to save a tiny bit of propane. That way the capacity of the panels would not just be idling and going to waste.
Been meaning to test that fridge (Norcold 8cuft) on inverter anyway, so just did it as backyard test. Fridge off in trailer doors open. Unplugged shore power turned off converter, plugged trailer into inverter as when camping.
Turned fridge on doors closed 120v and Trimetric showed amps at about 24 amps due to fridge, with some 25. I would expect "amps creep" from inverter if left on.
My 230w panel on that set of batteries that inverter is on can do say 16 amps so I would be short maybe 8 amps for running the fridge when the fridge is doing an on cycle with full solar.
Useful to know that 24 amps though, in case I wanted to run the fridge from the inverter while towing the trailer. If the 7-pin will put in 5 amps it would be about a 20 amp net draw for however long the drive is.
Propane use in summer has been about 30lb every three weeks with fridge on propane being the big user of that. $29 every three weeks.
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