small duct, high velocity system
Defined in 1 place of the United States Code.
Small duct, high velocity system.—The term "small duct, high velocity system" means a heating and cooling product that contains a blower and indoor coil combination that—
(I) is designed for, and produces, at least 1.2 inches of external static pressure when operated at the certified air volume rate of 220–350 CFM per rated ton of cooling; and
(II) when applied in the field, uses high velocity room outlets generally greater than 1,000 fpm that have less than 6.0 square inches of free area.
Source
- 2012–present42 U.S.C. § 6295The Public Health and Welfare · Energy conservation standards · under this section
The term “small duct, high velocity system” means a heating and cooling product that contains a blower and indoor coil combination that—
(I) is designed for, and produces, at least 1.2 inches of external static pressure when operated at the certified air volume rate of 220–350 CFM per rated ton of cooling; and
(II) when applied in the field, uses high velocity room outlets generally greater than 1,000 fpm that have less than 6.0 square inches of free area.
Source
- 2013–202242 U.S.C. § 6295The Public Health and Welfare · Energy conservation standards · under this section