Filtrete 3M22 for heat pump systems: How to activate emergency and how to deactivate ...
In this segment we will discuss what emergency heat is and how to turn it on and off
Filtrete 3M50 How to set the thermostat to work with heat pump systems
In this segment we will discusses the correct way to set the thermostat switches to work with your HVAC system. Also covered is the on-screen HVAC ...