11 Operating the unit
12
11.1 Settings with touch control unit
ER-AK, ER-AH, ER-AB
RESET Reset 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, nominal ventilation [m³/
h] (full load level)
Te
Start delay [in seconds]
Ta
Overrun time [in minutes]
Ti
Interval time [in hours], then air extrac-
tion duration 10 minutes.
11.1.1 Filter change function
The air filter must be changed every 6 months, re-
gardless of the operating time.
After filter change time has expired, the fil-
ter change LED blinks (red) every 5 sec.
Before resetting the filter change interval, push
the <RESET> button for 2 seconds. As a confirm-
ation, the filter change LED flashes 1x briefly. A
new RESET is not possible for the next 6 months.
11.1.2 Changing setting parameters
LEDs
1
flashe
s
1
2
3
4
5
V1
20
30
40
60*
100*
V2
20
(60)
**
30
(100)*
*
40
60
100
Te
0
30
60
90
120
Ta
0
3
6
15
24
30
Ti
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): LEDs 1 to 5
show the selected setting values.
•
Bold
= factory setting
• To select and save the setting value (parameter
value), press the <MENU> button.
Operating concept
1. Press <MENU> button for 2 seconds.
ð
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.
3. Press the button <MENU> to change para-
meter level (LED flashes briefly 2x).
ð
The last set value is shown (the corres-
ponding LED is lit up constantly*). Here, the
parameters of the respective level are avail-
able to you. Example Ta: 0, 3, 6,
15
, 24 or
30 minutes ( → Table).
* To switch off the Te start delay, Ta over-
run time or Ti interval time, push the <–>
button until the
V1 LED flashes
.
4. Press <MENU> button for 2 seconds.
ð
The setting is saved.
All 5 LEDs switch off
.
