Hi Guys,
I replaced an old Sunvic TLX 2259 Room thermostat with a Danfoss TP7000 RF and RX1 Receiver.
The original Sunvic thermostat was fed by two 2.5mm two core and earth cables coloured black and red. 1 red wire was connected to Terminal 1 on the Sunvic, I red wire was connected to...