Acoustic alarm acknowledgement
This button is used to acknowledge and
reset an acoustic alarm.
Warning: Diversity control is active
• Blinking display
The fume cupboards are affected by
diversity control. The volume flow rate
has been reduced for some fume
cupboards to prevent the total room
extract air from exceeding the set
value.
Close the sash.
40-character status display
The display shows certain operating states for the
room as well as
error codes. If
room control is
active, room
pressure actual
and setpoint
values are also
displayed.
Display texts →
p. 18 onwards
The display of additional information can be
configured.
• Volume flow rate setpoint and actual values
• Total room extract air actual and setpoint values
• Display text language
• Unit of measure for volume flow rate setpoint and
actual values
The display can be adjusted using the configuration
software.
BE-LCD-01 Operating and Installation Manual / Leaflet no. M375EV8 (01/2015)
15
5 Operation · Room control
Volume flow rate control - functional display
• Green
Standard operation, no errors
• Yellow
Too many sashes are open. The set threshold for
the room total extract air has been exceeded;
diversity control is active.
• Red
An error has occurred, or the SHUT-OFF or
OPEN operating mode is active. The cause is
being displayed.
Pressure control - functional display
• Green
Standard operation, normal room pressure
• Yellow
The differential pressure is too high.
For negative pressure: Room pressure is too low.
For positive pressure: Room pressure is too high.
• Red
An error has occurred, or the differential pressure
is too low.
For negative pressure: Room pressure is too high.
For positive pressure: Room pressure is too low.
Basic functions
Three-colour status display
Green, yellow, red combined with text LOW and
HIGH
Green
Yellow
Red