ASTTBC RFPT — Fire Alarm Systems (AL) · Question
Under what condition must the fire alarm system interface with the HVAC system to shut down fans?
NBCC 3.2.6 requires fans to stop in specific high-building scenarios. The fire alarm system provides a dry contact for the HVAC 'Hand-Off-Auto' (HOA) station. T
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Question: Under what condition must the fire alarm system interface with the HVAC system to shut down fans?
Answer options:
- When the ambient temperature reaches 30°C
- Every time a manual station is activated, regardless of location
- Only during the annual inspection ✅ In response to an alarm signal to prevent smoke spread per the building design
Correct answer: In response to an alarm signal to prevent smoke spread per the building design
Explanation: NBCC 3.2.6 requires fans to stop in specific high-building scenarios. The fire alarm system provides a dry contact for the HVAC 'Hand-Off-Auto' (HOA) station. The override must be bypassed by the fire alarm system to ensure safety.
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Related Questions
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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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