Operation
Temperature control
Current room temperature
24.0° C
Press buttons to display or change target temperature
25.0° C
When idle, the thermostat displays the current room temperature. You can press the p or q buttons at any time to see the “target” temperature the thermostat is trying to maintain.
One button press will display the target temperature, flashing. To change it, press either button repeatedly, until the display shows the temperature you want. After a few seconds the display will stop flashing and change to show the current room temperature.
NOTE: You can use the ECO mode to temporarily override the target temperature for a specified period of time (see page 11).
Energy-saving ECO mode
Press to enter ECO mode
ECO
1HR
Set number of hours
ECO
3HR
Change ECO temperature (if needed)
ECO
18.0° C
homexperttm by Honeywell THR840DUK Digital Thermostat
The ECO mode overrides thermostat settings to maintain a different temperature for 1 to 24 hours. This can be useful to reduce heating or cooling costs when you are away from home.
1Press the green ECO button to display timer.
2Press the p or q buttons to set timer
While in ECO mode, the screen will alternately display remaining time and current room temperature. After the timer expires, the thermostat will resume normal operation. Options:
•Press the p or q buttons to raise or lower the temporary ECO temperature if needed.
•Press the ECO button again to cancel ECO mode and resume normal operation.
NOTE: The default ECO temperature is
10 | 11 |