18
B
Press the "
OK
" button to return to the
settings menu without saving the
modified value. The previous value is
retained.
If required, further values can be
changed now (see steps 2 to 5).
Continue with step 6.
C
Press "
F
"
and "
-
" at the same time to
return to the factory setting. The fac-
tory setting value flashes three times
as confirmation. The modified value is
discarded. The factory setting value
remains in the display.
Press button "
OK
", to return to the
settings menu. If required, further
values can be changed now (see
steps 2 to 5).
Continue with step 6.
6. Press the "
F
"
button for 1 second to quit
the settings menu.
6.3 Settings made by the installer
It is possible to make changes to further
control unit settings. Because some settings
can impact on the trouble-free operation of
the ventilation unit, these are located in a
separate set of parameters for the installer.
This means that these parameters can only
be modified by the installer.
Please refer to Chapter 6.6.2 for information
on how these changes are made.
I1 Fixed pressure imbalance
This can be used to generate an excess
pressure (+) and/or a negative pressure
(-) in the building.
Positive pressure imbalance (+): The out-
going air fan ventilates less than the sup-
ply air fan by the defined value [m3].
Negative imbalance (-): The supply air fan
ventilates less than the outgoing air fan
by the defined value [m3].
I2 Contactless step 11.
This setting defines the ventilation posi-
tion if no switching contact is connected
with the position; the unit starts to run
with the ventilation position defined here.
I3 No
function.
I4 Switch cable level 1.
Defines which position of the step switch
corresponds to cable 1 from the central
controller.
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