CR1110 Refrigerator install in my TC
Yes you have to watch a video. 12Vdc compressor refrigerator have been talked about in this forum off and on. When my Norcold 300.3, an absorption unit, died again and for the last time, I decided ...
Forum Discussion
c.traveler2 wrote:
In the video I mention about the amp draw of the CR1110 unit at about 2 amps, I should have added this is after reaching set point, Lets say your battery has, just pulling a number out of thin air, of 100 usable amps. CR1110 has a duty cycle of 55% at 80*F, so you would have a amp draw of 1.1 amp(based on my 2 amps @ set-point) per hour. You would have a potential of 90 run hours or 3.78 days off that battery with no outside charge.
I think my Waeco Dometic CR140 draws 6 amps at 12v when the compressor runs. It is supposed to average 70w, but I'm not sure I get quite the efficiency the documentation states. I believe it uses the Danfos BD50F. The smaller fridges use the BD35F, which might be less current-hungry.
Steve.
