PDFWAC 51-11C-40352
Section C403.5.2—Economizer heating system impact.
C403.5.2 Economizer heating system impact. HVAC system design and economizer controls shall be such that economizer operation does not increase building heating energy use during normal operation.
EXCEPTION: | Economizers on VAV systems that cause zone level heating to increase due to a reduction in supply air temperature. |
[Statutory Authority: RCW 19.27A.020, 19.27A.025, 19.27A.160 and chapter 19.27 RCW. WSR 19-24-040, § 51-11C-40352, filed 11/26/19, effective 7/1/20.]