This video captures the installation of a Dometic / Waeco CRX65 compressor fridge, replacing the Thetford N3112 three-way fridge. The Thetford fridge was just too sensitive to levelness and a little tempramental.
We installed the CRX65 with the Dometic controller. This supplies 24V dc to the fridge when 230V ac is present and detects when mains isn’t present supplying 12V from the leisure battery. I did think about wiring in some switches to manage this, but I think it is worth the extra £90 for the controller. It works well and is convenient.
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