Assortment / System Description

Room pressurization and fume hood control
Fume hood
21
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Description Parameter Default value
Value to display
1:Blank
2:Face velocity
3:Exhaust air volume flow
4:Exhaust level
5:Differential air pressure
▶ Alarms will still be displayed at the ODP if set to
Blank.
DspyValue 2:Face velocity
Switch-on delay for sash opening alert
▶ The length of time after FhSashOpnAlrt turns on
before the buzzer will start to beep. It is also the time
after the buzzer silence is pressed in response to a
sash open alert before the buzzer will start beeping
again.
DlyOnSashAlrt 300 [s]
Enable sash tone
0:No
1:Yes
▶ Set to yes to allow the buzzer to be activated in
the event of a sash opening alert or in the event of a
sash maximum opening alert.
EnSashTone 0:No
Switch-off delay for sash maximum opening buzzer
▶ The buzzer will be immediately turned on in the
event of a sash maximum opening alert. The buzzer
will be automatically silenced after the time defined.
The auto silence feature is disabled when
DlyOffSshmBzz is set to 0.
DlyOffSshmBzz 0 [s]
Air velocity unit
▶ Defined by selected engineering unit – do not
change.
AirVUnit [m/s]
[ft/min]
Air volume flow unit
▶ Defined by selected engineering unit – do not
change.
AirFlUnit [m
3
/h]
[ft
3
]
[l/s]