I bought a new thermostat hoping to replace a simple on/off switch for my boiler. I've never done this before and am confused about how I should arrange the wiring on the thermostat board.
In particular I am confused about:
the way there are 2 N cables going into 2 separate N receptors, whereas on the new thermostat there's only one slot for an N receptor which appears to be without the receptor. What to do about that? Should I move the unused SL receptor to the N slot and wire the 2 N cables there?
there appears to be 2 ground receptors on my old board and only 1 on the new one. Should both of those go to the 1 receptor on the new board?
the SL receptor should be left unused?
Any help is appreciated!