can someone help explain the fuse panel to me?

How would I know if the furnace was put on buss A

Furnace would be a fuse from the Buss B.
I would be cautious of how the rig is wired. It is possible that someone put the furnace on Buss A which is run only off the converter. Then the breaker feeding the converter would have to be on. It should not be on Buss A, it should be on Buss B.

wickedstang03 wrote:
Is their a breaker or fuse for the forced air furnace.... I know it has a 12v blower...

Your furnace is 100% 12 volt. It runs on power from either the on board battery or from 12 vot supplied by the converter. The converter supplies 12volt power, only when the trailer is plugged ito 120 volt shore power. The breakers have nothing to do with the furnace. Should be a 12 volt fuse controlling the furnace circuit.

Those AC breakers would have no effect with only 12V power from your batteries. I think most just leave them on all the time, I certainly do.

Is their a breaker or fuse for the forced air furnace.... I know it has a 12v blower...

What I see on the AC panel schedule is
Circuit 1 feeds non-GFCI protected circuits This could feed the refer.
Circuit 2 feeds GFCI receptacle circuit
Circuit 3 feeds the Microwave
Circuit 4 feeds the Air Conditioner
Circuit 5 feeds the 120 volt electrical element in water heater.
Note on left side is unmarked 12 volt DC panel schedule. I would suggest trying to label the circuits. Note there is two busses. Buss A feeds off converter only, buss B feeds from both converter and battery

ALL electrical items within (and on ouside) of RV unit are either 110/120 Volt system or 12 Volt based system. Some appliances (like fridge) can be either based. 110/120 Volt GFCI circuit breakers are located in wet zone areas - like bathroom and outside outlets.

For cool diagram of both systems, surf: - Click Here -

Hope this helps.

GFI in simple terms protects you against shock when in "wet locations". Just like there should be one in your bathroom and your kitchen. The circuit starts at the GFI (outlet with 2 buttons on it, test/reset) then goes to the remaining outlets other than microwave, air conditioner, water heater.

As far as I know, all breakers to remain on when running on battery power. There should be separate fuses for these circuits as well.

Hope this helps!!

Also get a couple extra fuses like the ones installed incase one of them blows!