I have integral timer in my Boiler. Can someone please help me with how to install Siemens RAA20 Room Thermostat?
I know there are 2 terminals 1 & 2
230v out
230v in
Do I need to connect Siemems RAA20 to 230v out (Just one wire)
I know there are 2 terminals 1 & 2
230v out
230v in
Do I need to connect Siemems RAA20 to 230v out (Just one wire)