ASTTBC RFPT — Fire Alarm Systems (AL) · Question
Air handling unit (AHU) shutdown initiated by duct smoke detectors must be supervised such that a fault in the control wiring results in:
S524 and NBCC require that smoke detectors located in ductwork (ancillary for fan shutdown) must also provide a trouble signal to the fire alarm panel if they a
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Question: Air handling unit (AHU) shutdown initiated by duct smoke detectors must be supervised such that a fault in the control wiring results in:
Answer options:
- Notification circuit signal
- Fire department dispatch ✅ Trouble signal at the fire alarm control unit
- Full building evacuation signal
Correct answer: Trouble signal at the fire alarm control unit
Explanation: S524 and NBCC require that smoke detectors located in ductwork (ancillary for fan shutdown) must also provide a trouble signal to the fire alarm panel if they are disconnected or fail. 13.5 refers to Fan control.
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Question explanations
- Which of the following constitutes a system 'deficiency' rather than a 'non-conformance' to current standards?
- When a deficiency is corrected, what specific information MUST be recorded in the log?
- Which of the following would be categorized as a 'Non-Conformance' to the Installation Standard (S524) in an i
- In the event of a deficiency that renders the fire alarm system inoperative, what is the mandatory reporting r
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