Temperature Electronics Ltd. AFA1000/1 MK2 Installation & Operating Manual page 40

AFA1000/1 MK2 Airflow Monitor
Installation & Operating Manual
The micro switch connections will depend on the switch activation. The output of the PIR is wired
in series with the switch so the output should be active (switch contact closed) when the sash is
open:-.
Switch Mounting
A Switch closes when sash is open
B Switch closes when sash is closed
To Setup the CLOSE SASH ALARM with a Sash Micro Switch using the pushbutton menus:-
1. Press Enter from the "Requires set up" screen or if the monitor is in the Run screen Press and
Hold the Enter button for 5 seconds until the Main Menu is displayed.
2. Using the + / - buttons select SET UP, and then select CONFIGURE, then enter the password
(the factory default password is 0-0-0-0), press Enter to continue.
3. Using the + / - buttons select INPUT 3, and then press Enter, then using the +/- buttons select
CLOSED CONTACT and press Enter, then using the +/- buttons select SASH WARNING and
press Enter to continue.
4. Using the + / - buttons select the SASH WARNING TIMER parameter and then press Enter,
then using the +/- buttons set the required SASH WARNING time delay and press Enter,
then using the +/- buttons set the SASH WARNING repeat timer to ENABLED or DISABLED as
required and press Enter to continue, if set to ENABLED then using the +/- buttons set the
SASH WARNING alarm repeat time as required and press Enter to continue, the select DONE
and press Enter to continue.
e.g. Sash closed switch height set to 100mm. Sash warning delay set to 1 minute, Sash
warning repeat timer set to 5 minutes, if the sash is > 100mm the CLOSE SASH alarm will
activate once the fume cupboard is unoccupied for 1 minute, once muted the alarm will re
sound after 5 minutes. The alarm will reset if the fume cupboard is then occupied or the sash
is =<100mm.
Switch connections Notes
C & NO Refer to micro switch for
switch connection details
C & NC
Version 01 / p.40