14
USER GUIDE
FOR HOME AND OFFICE
This introduction tells you briefly what the thermostat can do.
Basic functions
When the heater is switched on for the first time, the
display will show 20 degrees and the heater will imme-
diately start working.
Automatic saving of the comfort temperature set-
ting
NB! Each time a new comfort temperature is selected
using the and keys, this latest choice will be
automatically saved. After lengthy power cuts the last
selected setting is resumed.
24 Hour backup in case of power cuts
If automatic temperature cutback is programmed and a
power cut of more than 24 hours occurs, the thermostat
will revert to the lowest temperature setting that has been
used. The display will flash indicating that a lengthy
power cut has occurred. The cutback program must be
restarted.
The calibration setting is saved even after lengthy power
cuts.
Quick start of temperature cutback
Start nighttime temperature reduction by pressing the
button marked . Start daytime temperature reduction by
pressing the button. The temperature will be reduced
to the desired setting for the chosen time period. This
will repeat automatically at the same time every week.
(A more detailed description follows later in the guide.)
Office function (OF)
The thermostat is also suitable for use in offices and
similar spaces. The Office Function (OF) provides tem-
perature cutback every night and at weekends.
Child lock
The thermostat may be secured against undesirable tam-
pering by holding down both the and buttons until
the display shows two dashes: – –. Repeat the procedure
to unlock the thermostat again.
Occasional temperature override during a cutback
period
You may freely select a new temperature setting while
temperature reduction is ongoing without this being
permanently saved. It will continue until the cutback
period ends.
Changing times and settings for temperature
cutback periods
Changing the time and temperature setting for cutback
periods is only possible by restarting the temperature
cutback program.
Permanently remove a temperature cutback
program
To delete a cutback program, push and hold down the
button (night) or the button (day) until its lamp dims
completely. When in Office mode, press and hold down
the button until the lamp is extinguished.
Reset the thermostat to factory default settings
Turn the power switch OFF. Press and hold down the
button while switching the heater back on. Continue to
hold down the button for about 20 seconds, until rE
flashes in the display. Release the button, and after a
short while 20 (degrees) will be displayed. Calibration
will revert to zero after resetting to default.
Cutback indicator
During a cutback period the
➀
or
➃
lamp will flash
slowly. When lit steadily, the lamp indicates that cutback
function is not currently ongoing, but will start at the
programmed time of the evening.
GB/AU/NZ
DT s4
