I'm trying to replace my old potterton PRT1 room thermostat with a Potterton PRT2 thermostat but am a bit unsure where the wires should gn the PRT1 it is wired as below
4 4 2 1
N N * L
no wire Blue Yellow Red
The new thermostat PRT2 has the following terminals
2 3 4 5
Com H TL N
Any help on how to wire the new thermostat would be appreciated.
4 4 2 1
N N * L
no wire Blue Yellow Red
The new thermostat PRT2 has the following terminals
2 3 4 5
Com H TL N
Any help on how to wire the new thermostat would be appreciated.