This document provides installation instructions for an Avocet Intruder Management (A.I.M.) system in 3 steps: 1. Mark and drill pilot holes for mounting the chassis approximately 1.5m from the ground and away from lever assemblies. 2. Securely mount the chassis using countersunk screws and attach the security chain through the chassis and canister housing. 3. Install the alarm head, evacuation cover, base plate screws and clasp to complete the system installation.