Turn the con tro l knob in order to choose the
X
X
desired duration of "an hour".
By means of turning the control knob in clock-
wise direction one can select and activate maximum
duration.
Press the con tro l knob in order to confirm
X
X
selection.
Turn the c ontrol knob in order to choose
X
X
duration of "a minute".
Press the con tro l knob in order to confirm
X
X
selection.
Ventilation starts functioning.
Fan speed and selected duration are shown in the
display.
Quick start button shows blue light.
4.4.3 Adjusting the remaining operation time during functioning
3
The heater is in the ventilating mode.
Turn the c ontrol knob in order to adjust the
X
X
desired remaining operation time.
By means of turning the control knob in
anticlockwise direction one can shorten remaining
operation time. If the longer remaining operation
time is desired then the longer operation time must
be reset.
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www.butlertechnik.com
Ventilation
Duration
Ventilation
Duration
20
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