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At 32 litres rather small for a freezer, tried turning up the thermostat, but -4°C seems highest it will go to, so at the moment using a MH1210A temperature controller which was originally wired to brew beer, but sticking the sensor in the freezer it can hold the temperature to 4°C however there is a blip before it runs.
by altering the CP (slewing range of temperature) I have stopped the blip as seen in the last run shown, I wonder what it should be set to with a fridge. It was using an average of 7W I would guess the longer the mark/space is the better the power usage, maybe I should increase further maybe 2°C between on and off (slewing range) but I don't know what is normal?
