O
PERATION
VIA
B
-
TOUCH
H
EAT
RECOVERY
UNIT
en-34
en
3.2.2
Automatic or manual control
The unit has an automatic mode and a manual mode. Select
the desired setting by touching the upper part of the symbol.
You can restrict the user’s choice via
menu > Settings > 1.
Select modes
.
Manual
In manual mode, the unit operates in a variety of fan settings
(which can be manually selected).
Automatic
In automatic mode, the fan setting is automatically adjusted to
the CO
2
level.
3.2.3 Regulating the strength (manual)
In the manual mode, the strength can be set manually (3 set-
tings).
Note:
n
For minimum energy consumption, Biddle
recommends selecting the lowest strength at which
the desired air quality is achieved.
3.2.4
Errors
The symbol
ä
indicates that there is an error. The error mes-
sage is displayed alongside.
• Touch this message for further information on the error
and for instructions as to how to react.
Warning:
w
Some errors may cause damage or danger to
persons if they are disregarded. If
ä
is
displayed, follow the instructions as to how to
act on the control panel.
Note:
n
The symbol
ä
and the error message remain
displayed as long as the error has not been
remedied.
If an error has remedied itself, a corresponding message will
be displayed. Touch this message to display the
Error history
and to read out the errors and the times of their occurrence.
This list can also be read out via
Maintenance > Error history
.