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AFA1000/2 MK2 Airflow Monitor
Installation & Operating Manual
3.3 Input Functions
The AFA1000/2 has 3 programmable Inputs that can be set to analogue (0-5VDC),
digital open or digital closed operation.
Analogue input functions
Temperature
• Any Input set to Analogue - Temperature
• Temperature is displayed alongside airflow velocity in
°
C or
°
F
•
Low Temp
toggles on / off with display if temperature < Low Temp Alarm point
• Red Alarm LED on (Flashing)
• Audible alarm sounds -- can be muted via Enter pushbutton
• Low Temp relay operates (if configured)
•
High Temp
toggles on / off with display if temperature > High Temp Alarm point
• Red Alarm LED on (Flashing)
• Audible alarm sounds -- can be muted via Enter pushbutton
• High Temp relay operates (if configured)
Digital input functions
Alarm disable
• When input configured as Alarm disable is activated
• Alarm disabled is displayed
• Red LED on (Flashing)
• Audible alarm muted
• Mute Icon shown on display
Night set-back
• When input configured as Night set-back is activated
• Night Set-back Icon displayed
• Audible alarm muted
• Mute Icon shown on display
• Low Air alarm muted if set to Maintain low air
• Reduced Low Air & Warning alarms active if set to Reduce low air
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 ...