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3. Use the plus/minus arrows to select your
desired setting. The LED screen will
flash the set value for 5 seconds. After 5
seconds the LED screen will display the
ambient room temperature.
Note: The temperature range is from 15ºC
to 28ºC. If you scroll past 28ºC the display
will automatically return to 15ºC.
4. The digital thermostat is now set and
will automatically maintain your selected
temperature level by turning the heater on
and off.
Note: It is normal for the heater to cycle
on and off as it maintains the selected
temperature.
5. To turn the heater off, move the ON/OFF
switch to the OFF position.
Using the timer
Your HE3900 Convection Plus heater features
a timer function that switches the heater off
after a specified period of time, eg: 3 hours.
It also enables you to preheat the room by
switching the heater on automatically.
Timer auto OFF function
1. Set the heater to the desired setting using
the mode button.
2. Press the timer button. The LED screen
will display a default time of 0.0hr.
3. Use the plus/minus arrows to select the
number of hours you wish the heater to
operate before it automatically switches
off, between 0.5 and 8 hours.
Note: The timer will automatically set
within 5 seconds of the last time that
either the plus/minus arrows or timer
button are pressed.
4. Once you have selected your desired timer
setting, the ambient room temperature and
the timer icon
will display on the LED
screen.
Note: When the time has run out, the
timer icon
will cease to appear on the
LED screen. The heater will then return to
STANDBY mode.
Timer auto ON function
The timer auto on function allows you
to program the heater to switch on at a
specified time to preheat the room.
1. Set the heater to the standby mode, by
pressing the mode button.
Note: The LED screen will appear black in
this mode.
2. Press the timer button. The LED screen
will display a default time of 0.0hr.
3. Use the plus/minus arrows to select the
number of hours you wish the heater to
operate before it automatically switches on,
between 1 and 12 hours.
Note: The timer will automatically set
within 5 seconds of the last time that
either the plus/minus arrows or timer
buttons are pressed.
4. Once you have selected your desired timer
setting, the ambient room temperature and
the timer icon
will display on the LED
screen.
Note: When the time has run out, the
timer icon
will cease to appear on the
LED screen. The heater will then return
to AUTO mode, set to your last pre-set
temperature.
Using your Convection Plus Heater continued