Install a Guardian Air sensor

Guardian Air is designed to be mounted on a wall or ceiling. Follow this procedure to install your Guardian Air sensor.

You will need the correct size and type of screws for your installation surface. The screws should have a diameter of 4 mm (5/32 in) and a minimum length of 30 mm (1.2 in).

1. Choose where you want to install the Guardian Air sensor.
   • A wall-mounted installation
   • A ceiling-mounted installation
2. Choose the correct screws for the surface that you want to install Guardian Air.
3. Hold the Guardian Air sensor (sensor) (2) in position and turn the mount (1) counterclockwise to remove it.
   
   
   
   
4. Put the mount (1) in position on the wall or ceiling.
   
   
   
   
5. Make a mark at the position of the four holes (3).
6. Remove the mount (1).
7. Drill the four holes (3) to the correct depth for your screws.
8. Put the mount (1) in position and install the four screws.
9. Align the sensor (2) with the mount (1) and turn it clockwise until it locks into position.