Minnesota Administrative Rules
1323.0643
[Repealed, 39 SR 1616]
1323.0643 SECTION 6.4.3, CONTROLS AND DIAGNOSTICS.
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Subpart 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:
1. [Reserved].
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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.
History:
47 SR 983
Published Electronically:
December 7, 2023
Official Publication of the State of Minnesota
Revisor of Statutes