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Map hardware and intended behavior
Document the lock type, power source, request-to-exit device and approved release path for each opening. The requirements depend on occupancy, design and jurisdiction.
Coordinate the right parties
Door hardware, access control, fire alarm and electrical teams should review the same opening schedule and approved sequence before wiring begins.
Witness the agreed sequence
Run the required functional tests with appropriate project parties and authority involvement. Record a failure by opening and correct it before accepting that interface.
Working example: The scenario below is illustrative. It describes a practical design and review method, not a completed customer project or a guaranteed result.
A working scenario
A controlled door releases during one alarm test but the record does not say which device or sequence initiated release. A one-time unlock is not a complete interface test.
The decision to make before buying
Identify approved fire alarm interface, power and fail-safe requirements, exit hardware and authority review. Never generalize a wiring rule across openings with different egress roles.
A useful acceptance test
Have qualified parties witness the approved alarm, reset, power-loss and access scenarios, including physical door behavior and event record.
What the owner should receive
Preserve interface drawings, witnessed test results, approvals, exception list and the owner of future changes.
Questions owners ask
Who should decide how a controlled door behaves during fire alarm?
The approved design and applicable authority, coordinated with qualified fire alarm, door hardware and access teams. Different doors can have different egress and locking arrangements. An integrator should not assume a generic relay wiring pattern makes every opening compliant.
How do you prevent later changes from breaking the interface?
Record the approved sequence and witness tests. Include the fire interface on the opening's change-control list, then retest it after controller, lock, power or fire alarm modifications that could affect behavior.