12. Settings with touch operating unit
Settings with touch operating
unit: ER-AK, ER-AH, ER-AB
RESET Resetting filter change interval
LED Filter change display
Sensor Humidity sensor (ER-AH) or
motion sensor (ER-AB).
V1,V2… Main menu with menu level V1, V2,
Te, Ta or Ti
MENU Select/save operating parameters
(set values – menu level)
+ / - Select menu level/operating
parameters
V1 Volumetric flow, basic ventilation
[m³/h]
V2 Volumetric flow, nom. ventilation
[m³/h] (full load level)
Te Start delay [in seconds]
Ta Overrun time [in minutes]
Ti Interval time [in hours], then
air extraction duration 10 minutes.
12.1 Filter change function
The air filter must be changed every 6 months,
regardless of the operating time.
After filter change time has expired, the
filter change LED blinks (red) every 5 sec.
To reset the filter change interval, push the
<RESET> button for 2 seconds. As a
confirmation, the filter change LED flashes 1x
briefly. A new RESET is not possible for the
next 6 months.
12.2 Changing setting parameters
1 2 3 4 5
20 30 40 60* 100*
V2
20
30
40 60 100
0 30 60 90 120
0 3 6 15 24 30
0 1 2 4 6 12
* Additional setting values for ER-AK, ER-AB
** Setting values for ER-AH
● Main menu: Menu levels V1, V2, Te, Ta
and Ti
● Submenus (Parameter menus): LED 1
to 5 show the selected setting values.
● Bold = factory setting
● To select and save the setting value
(parameter value), push the MENU button.
Operating concept
1. Press <MENU> button for 2 seconds:
Main menu V1 is selected, the 1st LED is
lit up red.
2. With the button <+> or <–>, select the
menu level V1, V2, Te, Ta or Ti, display
with LEDs (ascending/descending). The
figure shows menu level Ta.