What is the difference between Off Setback (OSB) and Idle modes?
In OSB
mode, the fan will idle for a set number of degrees below the set point; it
will be off below that. In Idle mode, the fan will always idle below the set
point, no matter how low the temperature goes.
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What is the difference between Shut-off and Idle modes?
In Shut-off mode, the control shuts off the fan when the temperature is below the set point. In Idle mode, the fan runs at the idle speed when the temperature is below the set point.
Why does my fan stop when in Idle mode?
The idle mode setting may be too low. Turn the Temperature knob fully clockwise. Turn the Idle Speed knob to the minimum fan speed desired. Turn the Temperature knob to the desired temperature.
Why does my fan stay on when my heater is running?
In Off Setback (OSB) mode, the fan will idle when the temperature is below the set point, up to the number of degrees that the OSB is set to. In Idle mode, the fan will always idle when the temperature is below the set point.
Why is my fan off when I am in Idle mode?
You may need to increase the idle speed for your fan. Adjust the idle speed as per the instructions in the user manual.
Why can't I adjust the idle speed of my variable fan in my Plus-Touch?
If you cannot adjust the idle speed of your variable fan, and are just seeing three dashes rather than a number, you have the Minimum Ventilation Curve active for that zone. Go to Menu, Configuration, Zone Control Mode, and disable the Minimum ...