Kewaunee Air Alert 300, Инструкция по установке и эксплуатации, Страница: 14 / 26

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3.3 Events / Actions
Safe airflow
•
Airflow above alarm level ( e.g. > 80 fpm )
•
Green LED on
Low airflow
•
Airflow below alarm level for longer than the low air delay time ( 5 secs)
•
Red LED on ( Not flashing )
•
Audible alarm sounds ( ‘Beep’ on/off every 1 sec ) -- can be muted via Enter pushbutton
•
Low air relay R1 operates.
Reset : -- when airflow rises above Low air level for longer than the low air to
safe air delay time ( 2 secs ) the Low air alarm resets automatically
Visor Open
•
When the input configured as Visor Open is activated ( Micro switch or Proximity switch )
•
Red LED on ( Flashing )
•
Audible alarm sounds ( ‘Beep’ on/off every 1 sec )
•
Audible can be muted via Enter pushbutton -- this silences the alarm and initiates a repeat timer ( factory set
to 5 mins ) After the delay time the alarm re-sounds ( and can be re-muted). During this time the Red LED
flashes on / off.
Reset: -- when Visor closed to safe position and input de-activated.
Night set-back
•
When input configured as Night set-back is activated
•
Green LED on ( Flashing)
•
Audible alarm muted
Airflow Sensor Error
•
The connection and each element of the airflow sensor are monitored at all times. In the event of a problem
with the sensor the audible alarm will sound using a different
and distinctive tone best described as ‘ a modulating siren effect’
The audible alarm can only be silenced by re-connecting the sensor ( if a remote sensor is being used ) or switching
the power to the unit off