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Air flow impact on heat detector and smoke detector

Question asked by 603656408 on Feb 15, 2020

For the conventional heat detector, is it OK to be used in the room where the HVAC air flow direction is downwards(from ceiling to floor), and air flow speed no higher than 0.5m/s. The hvac outlet is installed on ceiling and nearly cover whole ceiling. The heat detector is installed on ceiling. Will the air flow influence the heat spreading and influence the heat detector performance?


The second question, Will the smoke detector work well in this case?