Section 400.4554. Air-handling equipment.

Rule 554. (1) In newly constructed or converted large or secure facilities, air-conditioning, warm air heating, air cooling, and ventilating systems shall comply with the national fire protection association standard No. 90A, entitled "Installation of Air Conditioning and Ventilating Systems," 2002.

(2)   In newly constructed or converted large or secure facilities, fans and air handling equipment used for re-circulating air in more than 1 room or single area shall have an approved automatic smoke detector located in the system at a suitable point in the return air duct ahead of the fresh air intake, the actuating of which shall open the electrical circuit supplying the fan motor and when an approved fire alarm system is installed, be connected to the fire alarm system in accordance with national fire protection association standard No. 72, 2013.

(3)   In existing facilities, fans and air-handling equipment and systems approved in accordance with the standards these rules replace shall continue to be approved until the facility is converted. This shall not preclude requirements relative to maintaining the

equipment, including thermostatic or other detection devices, and systems, in proper and safe working order.

(4)   Fan rooms shall not be designed or used for any other use except housing other mechanical equipment.

History: 1983 AACS; 2015 AACS.