Mich. Admin. Code R. 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.
Notes
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