OK so this is how it would work
Nevermind, my internet was timing out trying to google Trace C40 and I was thinking it was a 40a PWM SCC that you were trying to use the Load ports on.
My bad... stupid satellite ship interwebs...
I think #6 wire fits and that will be ok
OK so this is how it would work. If this works it may help a lot of us.
The low wattage energy efficient chest freezer gets set to full on, no internal thermostat needed.
An inexpensive temperature probe and switch, probably from the wine or cheesemaking industry gets placed into the freezer compartment. it's a probe an inch long on a thin wire which won't cause a door leak when dropped in.
IT gets set to the refrigerator temp range, and the freezer plugs into the device, which is plugged into the power outlet..
Now you have a refrigerator that will only run for short cycles. (gee I hope so)
You plug this into an AC circuit from the inverter, controlled by a relay that only kicks on above whatever "Houston, we have surplus battery" state you prefer. ( you will have to make a relay switch device),
When that charge state is reached the
fridge/new thermostat assembly gets power and kicks on. (The new thermostat was already looking for power but didn't get it until the inverter relay allowed it.
Keep it in the cooler basement, and because it's a chest style, the cold air stays in when you lift the lid. I suppose to save more energy you can have a chart on the wall showing what food is where in the chest so the lid can be closed asap......?
now to re find the link for the thermostat