Originally Posted by Timaz
If you buy the fans from JC Refrigeration They will have instructions how get power to the light wire all of the time. Their fans shut off when you open the door and the light comes on. Light goes out and the fans come on. I have their 120 volt compressor conversion.
I don't think mine will work that way. On mine they switched the 12v side of the light. Had they switched the ground side it would have been much easier. In the end I ran a power feed down the drain tube and tapped into the 12v line on the circuit board.
For the ground I just used an alligator clip on the cooling fins. This makes it very easy to turn off the fan if the unit is not being used.
Right now I have one fan hanging from the ceiling on the right hand side blowing across the fins from right to left. This means it is blowing right on the thermistor, which I felt would be the smart move.
I have been thinking one more fan on the lowest rack on the right side blowing up to the ceiling fan might be advantageous. But for now, I'm monitoring the temps with the digital thermometers. With the power feed already in place it would be very easy to install another fan.