Minn. R. agency 151, ch. 1323, pt. 1323.0643
Current through Register Vol. 49, No. 24, December 9, 2024
Part 1323.0643 - SECTION 6.4.3, CONTROLS AND DIAGNOSTICSSubpart 1.ASHRAE 90.1 section 6.4.3.4.2 Ventilation system control.ASHRAE 90.1 section 6.4.3.4.2 is amended by modifying the exception 1 to read as follows:
Subp. 2.ASHRAE 90.1 section 6.4.3.4.2 Ventilation system control.ASHRAE 90.1 section 6.4.3.4.2 is amended by modifying the exception 2 to read as follows:
2. Nonmotorized dampers are acceptable in systems with a design outdoor air intake, relief, or exhaust capacity of 300 cfm or less. Nonmotorized dampers for outdoor air intakes must be protected from direct exposure to wind.Minn. R. agency 151, ch. 1323, pt. 1323.0643