// CODE SNIPPET
606.4.2 Fan Shutdown
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When any building or floor is provided with an air system utilizing recirculated air and is protected by an automatic sprinkler system or an automatic fire alarm system, provisions shall be made to automatically stop the fans serving the affected area when the sprinkler system or fire alarm system are installed in the area, it shall be required to have only one of these systems arranged to stop the fans.
Exceptions:
Exceptions:
- Activation of a manual pull station shall not be required to automatically stop the fans.
- Systems having a capacity of 2,000 cfm (0.2 m3/s) or less or serving not more than one floor.
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