Version 01 /
p.21
AFA1000/2 MK2 Airflow Monitor
Installation & Operating Manual
3.1 Airflow Functions
The AFA1000/2 airflow display can be set up using the pushbutton menus to display airflow
in units of m/sec or fpm and can also be set to show plain text “Air Safe” & “Air Fail” only.
The AFA1000/E has 3 programmable airflow alarms.
Safe airflow
• Airflow reading above warning level (e.g. > 0.45 m/sec)
• Green Safe LED on
Warning airflow
• Airflow reads between warning level and air fail level (e.g. > 0.4 m/sec and < 0.45 m/sec)
• Amber Warning LED on
Low airflow
• Airflow reads below alarm level for longer than the warning to low air delay time
• Air Fail toggles on / off with display
• Red Alarm LED on (Flashing)
• Audible alarm sounds -- can be muted via Enter pushbutton
• Low air relay operates (if configured)
Reset: -- when airflow rises 0.02 m/sec above Low air level for longer than the low air to
warning air delay time the Low air alarm resets automatically
High airflow
If configured:
• Airflow reading above high level (e.g. > 1.50 m/sec)
• High Air toggles on / off with display
• Red Alarm LED on ( Solid )
• High air relay operates (if configured)
Audible Alarm Mute
When the audible alarm is muted via the Enter button - an Icon (horn with forward slash) is
shown on the display.
The audible alarm can be permanently disabled in the pushbutton menu.
3 FUNCTIONS & OPERATION
Summary of Contents for AFA1000/2 MK2
Page 4: ...1 SAFETY ...
Page 9: ...2 OVERVIEW OF THE AIRFLOW MONITOR ...
Page 20: ...3 FUNCTIONS OPERATION ...
Page 27: ...4 COMPONENTS ...
Page 30: ...5 INSTALLATION ...
Page 35: ...6 CONFIGURATION CALIBRATION ...
Page 39: ...7 AUXILIARY FEATURES CONNECTIONS ...
Page 44: ...8 RS485 COMS OUTPUT ...
Page 51: ...9 WARRANTY ...