This may help. Remember length of wire run is there and back. If wire is in sheath, increase wire one size.
<http://www.cncphotoalbum.com/doityourself/wiring/wiring.htm> or http://www.marinco.com/en/services/wire-data/three-percent-voltage-drop The first link is brought to you by your wonderful C&C online resource. Don't forget to contribute to keep this resource viable. <http://www.cncphotoalbum.com/chandlery_2/store.php?crn=226> If you want a voltage drop calculator for your smartphone, go here: <http://circuitwizard.bluesea.com/> Dennis C. On Thu, Mar 12, 2015 at 9:06 AM, Petar Horvatic <phorv...@gmail.com> wrote: > Hi Joe, > > Not sure what compressor you’re using, but for me Danfoss BD50 control > module was cutting out due to significant voltage drop at the compressor. > Make sure your fridge wires are good gauge. I ended up running 2x10AWG. > Two 10AWG for positive and two for return. Any by return I mean not just > to a nearest ground. Back to the battery or negative high power bus bar. > My main culprit for voltage drop was the main panel switch I used to turn > the fridge on/off. After few months of headaches and troubleshooting, I > ended up re-purposing the switch. Instead of a panel switch, I just have > AGC fuse which I install in the spring and take out in the fall. For me, > there is no other way to shut off the fridge. The double 10AWG was added > prior to finding that switch was the main culprit. I left it as it could > only help. > > Also, bus bars Dennis mentioned would help with voltage drops for all your > loads. > > > > Petar Horvatic > > Sundowner > > 76 C&C 38MkII > > Newport, RI > > > > > > >
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