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Looks like it's asking me to replicate live and neutral, connect SL to A2 and split live into A1 as well.
That's how I'd read it, to be explicit I'd expect you should do the live into L and then have a short section of the same colour wire (
blackbrown if you're using the existing wires) to jumper L to A1.
Greenbank
Airhead
Switching out my dumb thermostats for HomeKit controlled ones for our underfloor heating zones...
Picture of existing connections, rear of new thermostat and of instruction manual wiring diagram.
Looks like it's asking me to replicate live and neutral, connect SL to A2 and split live into A1 as well.
Anyone disagree?