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OperationOperation
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:
• Comfort temperature
• Economy temperature
• Vacation temperature
To use a preset temperature, press the corresponding
button. The corresponding icon will be displayed.
Preset Temperatures
To store a preset temperature:
• Set the desired temperature using the
up/down buttons.
• Press and hold the corresponding button until the
corresponding icon is displayed.
Comfort
Economy
Vacation
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.