ASTTBC RFPT — Fire Alarm Systems (AL) · Question
What is the maximum time allowed for a fire alarm control unit's charging circuit to restore fully discharged batteries to a full charge state?
CAN/ULC-S527 specifies that the battery charger must be capable of recharging a battery sufficiently to provide standby power within 48 hours. It also specifies
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Question: What is the maximum time allowed for a fire alarm control unit's charging circuit to restore fully discharged batteries to a full charge state?
Answer options: ✅ 48 hours
- 24 hours
- 12 hours
- 72 hours
Correct answer: 48 hours
Explanation: CAN/ULC-S527 specifies that the battery charger must be capable of recharging a battery sufficiently to provide standby power within 48 hours. It also specifies the charger must have low-voltage disconnect protection in some cases to prevent battery permanent damage.
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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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