Test Procedure for fans or blowers.

CFR · 2024-01-01 · US · Title 10

(a) (1) Is a centrifugal housed fan; radial housed fan; centrifugal inline fan; centrifugal unhoused fan; centrifugal power roof ventilator exhaust fan; centrifugal power roof ventilator supply fan; axial inline fan; axial panel fan; or axial power roof ventilator fan; (2) Is not: (i) A radial housed unshrouded fan with blade diameter at tip less than 30 inches or a blade width of less than 3 inches; (ii) A safety fan; (iii) An induced flow fan; (iv) A jet fan; (v) A cross-flow fan; (vi) A fan manufactured exclusively to be powered by internal combustion engines; (vii) A fan that create a vacuum of 30 inches water gauge or greater; (viii) A fan that is designed and marketed to operate at or above 482 degrees Fahrenheit (250 degrees Celsius); or (ix) A fan and blower embedded in the equipment listed in paragraph (a)(3) of this section; (3) Is not an embedded fan subject to the following exclusions: (i) The test procedure in this section does not apply to fans or blowers that are embedded in: (A) Single phase central air conditioners and heat pumps rated with a certified cooling capacity less than 65,000 British thermal units per hour (“Btu/h”) cooling capacity, that are subject to DOE's energy conservation standard at 10 CFR 430.32(c); (B) Three phase, air-cooled, small commercial packaged air-conditioning and heating equipment rated with a certified cooling capacity less than 65,000 Btu/h cooling capacity, that are subject to DOE's energy conservation standard at § 431.97(b);

official document · source cfr-2024 · id 10:§ 431.174