I got one of those beer chillers from Santa, and left the instructions at home before moving back in to my place by Uni.
Does anyone know if 1 is the coldest setting or 5?
Beer chiller
Well rod, as with the recent trend - here is the diagram of a proper fridge...

Perhaps someone can explain how it works to answer your question.
Alternatively I'm sure mrtoms can provide a graph that will illustrate the relation between knob twisting and temperature!

Perhaps someone can explain how it works to answer your question.
Alternatively I'm sure mrtoms can provide a graph that will illustrate the relation between knob twisting and temperature!
Knight knight