TEL AFA4000/E - Page 173

AFA4000/E VAV Airflow Controller / p.173
Figure 76: Typical connection diagram with micro-switch
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
Switch connections
Notes
A
Switch closes when sash is open
C & NO
Refer to the micro-switch for
switch connection details.
B
Switch closes when sash is
closed
C & NC
To Setup the Close Sash Alarm with a sash micro-switch:
Press the ↑ and ↓ arrows to scroll through the menu list and press Mute to select the required
option.
1. From the Requires set up screen, press Mute, or from the Run Screen press and hold
the Mute button for 5 seconds until the Main Menu is displayed.
2. Select Set Up Monitor > Configure.
3. Enter the password (the factory default password is 0-0-0-0) and press Mute to continue.
4. Select Input 3 > Closed Contact > Sash Warning.
5. Select Sash Closed Input > Sash Switch.