Join Date: Dec 2001
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Steve, the key to using the existing 110 volt system holding plate coil for a small 12 volt system will again be the tubing size inside the plate and not the compressor tubing size.
If the plate tubing is too large a separate evaporator will be required.
Alternative energy from wind or sun is a good idea for boats with Swing or Danfoss compressor refrigeration. My rule is, fifty watts of power per cubic foot of box, per day when sizing solar panels.