40
9:51
100% 100%
21,0°C
9:51
9:51
9:51
10:11
0% 0%
21,0°C
P27
P27
P27
B)
C)
A)
1
2
Idx
TeileId
Idx
TeileId
3
15:10
0% 4%
21,0°C
15:10
0% 4%
21,0°C
English
Tel. +49 7930 9211-0 Fax +49 7930 9211-150
Reset the display:
Supply air filter
Extract air filter
CALIBRATE FILTER
CALIBRATE FILTER
COMPLETED
Operating display after calibration
The differential pressure increases as one of the air filters becomes more clogged. When the pres
-
sure reaches the value set on the corresponding pressure sensor, this can be seen on the status
display. The filter must be changed when the level of clogging reaches 100%. Under P27 FILTER
CALIBRATION, the new filter must be calibrated.
By touching the icon „▲“, the unit switches to the cal
-
ibration mode. Display flashes „CALIBRATE FILTER“.
After calibration, the display shows „COMPLETED“. The
contamination display is set back to 0% after calibration
mode. The filter change counter will then increase by
one.
Calibrate filter
:
Status display:
10.3.4. Changing the battery
Status display:
Display after changing the battery
Fig. 25
(1) Control cable
(2) Control unit cover
(3) Battery holder
The battery‘s operating capacity is checked when voltage is applied to the unit. An empty battery is
indicated by a battery symbol in the status display.
Change the battery as follows:
•
Remove the control cable (1) from the control unit.
•
Open the control unit by removing the cover (2).
•
The holder (3) for the battery is on the board. Take the battery out and replace it with a new one,
as shown in the image.
•
The control unit can now be closed again and the control cable connected again.
•
You only have to reset the current time. The battery symbol disappears from the status display.
Your control unit is fully functional again.
Note: requires a 3 V lithium CR 1616 button cell battery.
