10 CFR 431.152 - Definitions concerning commercial clothes washers.
Basic model means all units of a given type of covered product (or class thereof) manufactured by one manufacturer, having the same primary energy source, and which have essentially identical electrical, physical, and functional (or hydraulic) characteristics that affect energy consumption, energy efficiency, water consumption, or water efficiency.
Commercial clothes washer means a soft-mounted front-loading or soft-mounted top-loading clothes washer that -
(1) Has a clothes container compartment that -
(i) For horizontal-axis clothes washers, is not more than 3.5 cubic feet; and
(ii) For vertical-axis clothes washers, is not more than 4.0 cubic feet; and
(2) Is designed for use in -
(i) Applications in which the occupants of more than one household will be using the clothes washer, such as multi-family housing common areas and coin laundries; or
(ii) Other commercial applications.
MEF means modified energy factor, in cubic feet per kilowatt hour per cycle (cu ft/kWh/cycle), as determined in section 4.4 of Appendix J1 to subpart B of part 430.
MEFJ2 means modified energy factor, in cu ft/kWh/cycle, as determined in section 4.5 of Appendix J2 to subpart B of part 430.
WF means water factor, in gal/cu ft/cycle, as determined in section 4.2.3 of Appendix J1 to subpart B of part 430.