I have a 2009 bighorn 5er with a dometic refrigerator.It is currently stored without AC power.I tried to start the refrigerator on propane,but nothing.I'm thinking I need the batteries hooked up even to start it on propane? Correct? The batteries are home getting charged.Also,will the batteries draw down very quickly on 12v? Or is the 12 volt part only for ignition then propane takes over?
Yes, you need a source of 12 volt power for the Fridge to operate. The control boards and gas valve work on 12 volt. Power requirement when the gas valve is open is about 1.5 amps. Duty cycle, once the fridge has cooled down is about 2:3. (i.e. burner running for 40 minutes per hour).
Regards, Don
Full Time in a Kustom Koach Class C 28'5", 256 watts Unisolar, 556 amp hours in two battery banks telecom AGM 12 volt batteries, Magnum 3000 watt hybrid PSW inverter.
Unfortunately, when 12V is turned on to the reefer it is also used by other systems, even though they are "sleeping". LP detector, A/C controller, inverter controller. Carbon Monoxide detector, etc. They will kill your batteries.
Formerly posting as "littleblackdog"
Martha, Allen, & Blackjack
2006 Chevy 3500 D/A LB SRW, RVND 7710
2008 Titanium 30E35SA; EZ-Lube axles; wet bolts; spring hanger gussetts; BFG Commercial TAs
"Real Jeeps have round headlights"
Thank's guy's....I just got back from installing the batteries down at the storage. The refrigerator took right off on propane.She doesn't want to stick a bunch of stuff into a warm refrigerator. Hopefully I'll still have enough battery power in the morning to extend the jacks. So,we can hit the road.
If you have good batteries, your jack should work in the morning. Need to check and make sure all lights are off. If your RV has lights in storage bins, make sure they are off.
Also, if jacks won't work, plug into your truck, leave it running 5 minutes or so to put a little charge back in the battery and then your jack should work off power supply from truck.
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