What does the flashing or flickering flame mean?

The flashing or flickering flame indicates that the thermostat is calling for heat. Only on two stage thermostats, if you have a number 2 or two flames then the system is looking to turn on a second stage of heating to help the first stage. This would be due to the fact that the system is calling for more than three degrees or the first stage hasn't been able to raise the temperature by itself.

What does the flashing snowflake mean?

The flashing snowflake indicates that the thermostat is calling for cooling. Only on two stage thermostats, if you have a number 2 or two snowflakes then the system is looking to turn on a second stage of cooling to help the first stage. This would be due to the fact that the system is calling for more than three degrees or the first stage hasn't been able to lower the temperature by itself.

How do I use the high and low setpoints?

The high and low limits do not work when auto changeover is used, only in a standard heat or cool mode. The high limit is the highest the heat set temperature may be set to and the low limit is the lowest the air conditioning may be set to.

How do I set the differential?

Press the up and down arrows simultaneously for 3 seconds and let go. Use the flame/snowflake button to scroll through the settings to df for differential. Use the arrows to select the desired differential which is adjustable from .5-3 degrees in .5 degree increments. Press the fan button to exit the setup.

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