Mark optitherm 06 29 191, Technical Manual

Page: 10 / 152

4.3 Frost protection
The OptiTherm is supplied with a frost protection function. This means that when the room
temperature falls below the set frost temperature, the air heater(s) are automatically switched on.
That is also the case when the heating mode is not switched on. The frost temperature is set as
standard at 5°C, you can change that, if you wish, for that see
§5.2 change temperature setting.
4.4 Switch heating mode on/off.
To switch the heating mode on or off, you push the button “heating”.
The flame symbol will now appear on the display so that you can see that the heating mode is
switched on. With heating request, the status bar will also appear on the display.
4.5 Switch ventilation mode on/off.
To switch the ventilator of the air heater on or off, you push the button “ventilation”.
The ventilator symbol will now appear with I or II on the display so that you can see that the ven-
tilator is switched on.
Note!
The ventilation mode can be used at the same time as the heating mode. So if you wish during
heating mode you can have the ventilator running continuously.
4.6 Switch overtime timer on/off
When you want to switch to another operation mode outside the program switch times you can
make use of the overtime timer
See the image below:
– Switch on overtime timer : press in button
or increase the time duration. Every time this button is pushed in, the time duration is in-
creased by 15 mins.
– Switch off overtime timer : keep button pushed in until the symbol and the time
remaining disappear from the screen
10
1 6.0
17:00
01-03-2011
18.0 °C
00:15
1 6.0
01-03-2011
15.0 °C
17:00
hold
± 3sec.
1x = 00:15
2x = 00:30
3x = 00:45
enz...
0 4.0
08:00
01-03-2011
05.0 °C 05.0 °C
01-03-2011
08:00
0 . 9 0
1 2.0
17:00
01-03-2011
18.0 °C 05.0 °C
01-03-2011
08:00
0 . 2 1
2 1.0
08:00
01-03-2011
05.0 °C 05.0 °C
01-03-2011
08:00
0 . 2 1