RT520 Series Boiler Plus Compliant Thermostat | 5.13. Heating & Cooling Modes | Help Center
5.13. Heating & Cooling Modes
RT520RF - Heating & Cooling Mode
RT520RF : Heating & Cooling Mode (5.13.1) . Buttons Used : Menu , Arrows and Tick . Description : Heat mode allows your thermostat to ‘call for heat’ from your ...