User`s guide
AC-020 Page 17 03/02 
Mounting the Controller 
1)  Before starting, select the location for 
mounting the AC-020 controller. The 
controller should be installed indoors and 
within the premises to be secured. It is 
recommended that the controller be installed 
where it cannot be seen for increased 
security, but still close enough to the doors 
so that the controller’s annunciator (Door 
Bell, Chime & Siren) can be heard. 
2)  Find the mounting template label that is 
provided in your AC-020 packaging, and 
place it at the location that you wish to install 
the controller. The template is designed to 
assist you through the mounting procedure, 
showing you where you drill holes in the wall 
to pass the wiring through and where the 
wall must be drilled to insert the controllers 
mounting screws. 
3)  (Skip this step when attaching the AC-020 to 
a US Gang Box) 
Drill a hole for cables as indicated on the 
wiring template. Two hole sizes are shown to 
allow for the amount of cables needed, 
depending on installation requirements or 
adding a backup battery. Drill two screw 
holes for mounting the AC-020 to the wall. 










