Operation
Backlight
Programmable Thermostat Models
The display illuminates for 12 seconds when the backlight button is pressed.
When either of the up/down buttons are pressed, the display also illuminates for 12 seconds. The setpoint temperature appears for 5 seconds, then the actual (measured) temperature is displayed.
Temperature Adjustment
Programmable Thermostat Models
Setpoint Temperature
The thermostat has 3 preset temperatures: |
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• Comfort temperature |
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| Comfort |
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• Economy temperature |
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• Vacation temperature |
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To use a preset temperature, press the corresponding |
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button. The corresponding icon will be displayed. |
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| Economy |
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Preset Temperatures
To store a preset temperature:
• Set the desired temperature using theVacation up/down buttons.
•Press and hold the corresponding button until the corresponding icon is displayed.
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Operation
Modes of Operation
Programmable Thermostat Models
Automatic Mode
The thermostat follows the programmed schedule. To place the thermostat in this mode, press Mode/Ret until 
is displayed. The data of the current schedule period are also displayed.
Temporary Bypass
If you modify the setpoint temperature (by pressing the up/down arrows, 
or 
button) when the thermostat is in automatic mode, the new temperature will be used until the beginning of the next period. 
flashes during the bypass. You can cancel the bypass by pressing Mode/Ret.
Programmed Schedule
The schedule consists of 4 periods per day which represents a typical week day. You can program the thermostat to skip the periods that do not apply to your situation. For example, you can skip periods 2 and 3 for the weekend.
The Comfort (
) temperature is used in periods 1 and 3 and the Economy ( 
) temperature is used in periods 2 and 4. For example,when the period changes from 1 to 2, the setpoint automatically changes from Comfort (
) temperature to Economy ( 
) temperature.
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