A thermostat works by turning your heating or cooling system on and off whenever the room temperature varies a certain number of degrees from the set-point.  This variation is the “swing”.

Your system should cycle on about 3 to 6 times per hour.

  • A smaller swing setting increases the number of cycles, so room temperature is more constant relative to your set temperature.  For example setting # 1 provides maximum comfort.
  • A larger swing number (#9 for example) decreases the number of cycles per hour.   You may feel a slight increase in the amount of temperature variation but this setting saves more energy.

We recommend setting # 4 which provides a balance of comfort and energy savings.  This is also the default value that the thermostat already has in it when it is shipped.

To change the swing setting: 

  1. Place the System Mode switch in the “Off” position.  
  2. Hold down the Save button for approximately 4 seconds (until the display changes to a single number).  
  3. You will see a number between 1 and 9 in the display.  
  4. Use the up and down buttons to adjust this to the desired level.

Actual temperature variation will vary depending on the conditions.  As an approximation:

Swing            Temp

Setting          Differential

1                   +\-   0.25 F

2                   +\-   0.50 F

3                   +\-   0.75 F

4                   +\-   1.00 F

5                   +\-   1.25 F

6                   +\-   1.50 F

7                   +\-   1.75 F

8                   +\-   2.00 F

9                   +\-   2.25 F

Example:  For tightest control, set swing setting on # 1 which is plus or minus 0.25F degrees.  If you use a setpoint at 70F, the highest it will get to is 70.25 F, the lowest it will get to is 69.75F