Forum Discussion
Old-Biscuit
Sep 03, 2019Explorer III
wa8yxm wrote:Johnny Hurryup wrote:
I've seen some of the newer RVs have "Three way refrigerators" 120V...12V and gas. I've had the typical 2 way (120V and Gas) wht's up with the third?
The way I heard it is they moved away from the 12 volt option.
HERE is why
The 12 volt options have a 25 amp fuse on the 12 volt side. Draw about 20 amps on DC Now that's 260 watts (roughly) which is a bit shy of the 350 or so the 120 volt element draws. So they do not work as well on 12 volts.
Plus you have this 12 volt storage box. a pair of GC-2s hold around 220 amp hours. and you can safely use half. that's 5 1/2 hours of cooling.
A group 24 holds about 70-75 and since you can only use 20-25 percent that is less than 1 hour.
Heard wrong
Dometic Series 8 ---3 way
Norcold Polar 8LX---3 way
Other models available in 3-way
DC Mode was NEVER intended to COOL fridge.
It is a means to MAINTAIN a cold fridge while in transit ....vehicle alternator recharging/maintaining battery charge
Alternative option to propane.
Simple.........
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