TEL AFA1000/2 MK2, Installation & Operating Manual

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Version 01 / p.22
AFA1000/2 MK2 Airflow Monitor
Installation & Operating Manual
3.2 Pushbutton Functions
The AFA1000/2 has 3 programmable pushbuttons. The pushbutton Icon is displayed in the
screen above the relevant pushbutton and are identified as Pushbutton I, Pushbutton II, &
Pushbutton III
Each Pushbutton has a Power Up Memory function that will set the pushbutton function
back to the last status following a power fail cycle e.g. If the Fan is On when the power fails
the AFA1000/2 power up with the Fan pushbutton set to On.
The AFA1000/2 pushbuttons are typically set with Pushbutton I used for Fan On/Off and
Pushbutton II used for Lights On/Off.
Pushbutton I
Off
• Pushbutton I set to Fan On / Off and is Off
• Pushbutton Fan Stop parameter set to Hide Airflow
• Screen Backlight dims to low power mode
• Red Alarm LED on (Solid)
• Extract Fan Relay is Off.
Start Up
10 Seconds
• Pushbutton I set to Fan On / Off and is On
• Extract Fan Relay is On.
• Pushbutton Fan Start time parameter set to >0 seconds
• All alarm functions and outputs are inhibited during the start up time period.
Start up Timer: -- the start up timer is used to allow the fan to run up to full speed before the
AFA1000/2 alarm functions are active so that false Low Air alarms are not sent to the BMS.
EXT Fan On/Off
• Pushbutton I set to Ext Fan On / Off
• Ext Fan On /Off Relay operates