admitted through grill or ducts from the outdoors and does not communicate with air in the conditioned space; (c) Boilers which are not weatherized are located within the heated space.

Automatic clothes washer means a class of clothes washer which has a control system which is capable of scheduling a preselected combination of operations, such as regulation of water temperature, regulation of the water fill level, and performance of wash, rinse, drain, and spin functions without the need for user intervention subsequent to the initiation of machine operation. Some models may require user intervention to initiate these different segments of the cycle after the machine has begun operation, but they do not require the user to intervene to regulate the water temperature by adjusting the external water faucet valves.

Ballast efficacy factor means the relative light output divided by the power imput of a fluorescent lamp ballast, as measured under test conditions specified in ANSI Standard C82.21984.

Baseboard electric heater means an electric heater which is intended to be recessed in or surface mounted on walls at floor level, which is characterized by long, low physical dimensions, and which transfers heat by natural convection and/or radiation.

Basic model means all units of a given type of covered product (or class thereof) manufactured by one manufacturer and

(1) With respect to refrigerators and refrigerator-freezers, which have the same primary energy source, which have electrical characteristics that are essentially identical, and which do not have any differing physical or functional characteristics that affect energy consumption.

(2) With respect to freezers, which have the same primary energy source, which have electrical characteristics that are essentially identical, and which do not have any differing physical or functional characteristics that affect energy consumption.

(3) With respect to dishwashers, which have electrical characteristics which are essentially identical and

which do not have any differing physical or functional characteristics which affect energy consumption.

(4) With respect to clothes dryers, which have the same primary energy source, which have electrical characteristics that are essentially identical, and which do not have any differing physical or functional characteristics that affect energy consumption.

(5) With respect to water heaters, which have the same primary energy source and which, with the exception of immersed heating elements, do not have any differing electrical, physical, or functional characteristics that

affect energy consumption.

(6) With respect to room air conditioners, having essentially identical functional physical and electrical characteristics.

(7) With respect to unvented home heating equipment, having essentially identical functional physical and electrical characteristics.

(8) With respect to television sets, which have identical screen size, which have electrical characteristics that are essentially identical, and which do not have any differing physical or functional characteristics that affect energy consumption.

(9) With respect to kitchen ranges and ovens, whose major cooking components have the same primary energy source, which have electrical characteristics that are essentially identical, and which do not have any differing physical or functional characteristics that affect energy consumption.

(10) With respect to clothes washers, which have the same primary energy source, which have electrical characteristics that are essentially identical, and which do not have any differing physical or functional characteristics that affect energy consumption.

(11) With respect to humidifiers which have the same primary energy source, which have electrical characteristics that are essentially identical, and which do not have any differing physical of functional characteristics that affect energy consumption.

(12) With respect to dehumidifiers, which have electrical characteristics which are essentially identical and which do not have any differing physi

cal or functional characteristics which affect energy consumption.

(13) With respect to central air conditioners, which have electrical characteristics which are essentially identical and which do not have any differing physical or functional characteristics that affect energy consumption.

(14) With respect to furnaces, having the same primary energy source and essentially identical functional, physical and electrical characteristics.

(15) With respect to vented home heating equipment, having the same primary energy source and essentially identical functional, physical and electrical characteristics.

Batch means a collection of production units of a basic model from which a batch sample is selected.

Batch sample means the collection of units of the same basic model from which test units are selected.

a

Central air conditioner means product, other than a packaged terminal air conditioner, which is powered by single phase electric current, air cooled, rated below 65,000 Btu per hour, not contained within the same cabinet as a furnace, the rated capacity of which is above 225,000 Btu per hour, and is a heat pump or a cooling unit only.

Central system humidifier means a class of humidifier designed to add moisture into the air stream of a heating system.

Clothes washer means a consumer product designed to clean clothes, utilizing a water solution of soap and/or detergent and mechanical agitation or other movement, and must be one of the following classes: automatic clothes washers, semi-automatic

clothes washers, and other clothes washers.

Coil family means a group of coils with the same basic design features that affect the heat exchanger performance. These features are the basic configuration, i.e., A-shape, V-shape, slanted or flat top, the heat transfer surfaces on refrigerant and air sides (flat tubes vs. grooved tubes, fin shapes), the tube and fin materials, and the coil circuitry. When a group of coils has all these features in common, it constitutes a "coil family."

Color television set means an electrical device designed to convert incoming broadcast signals into color television pictures and associated sound.

Condenser-evaporator coil combination means a condensing unit made by one manufacturer and one of several evaporator coils, either manufactured by the same manufacturer or another manufacturer, intended to be combined with that particular condensing unit.

Condensing unit means a component of a central air conditioner which is designed to remove the heat absorbed by the refrigerant and to transfer it to the outside environment, and which consists of an outdoor coil, compressor(s), and air moving device.

Consumer product means any article (other than an automobile, as defined in section 501(1) of the Motor Vehicle Information and Cost Savings Act) of a type:

(a) Which in operation consumes, or is designed to consume, energy; and

(b) Which, to any significant extent, is distributed in commerce for personal use or consumption by individuals; without regard to whether such article of such type is in fact distributed in commerce for personal use or consumption by an individual.

Conventional cooking top means a class of kitchen ranges and ovens which is a household cooking appliance consisting of a horizontal surface containing one or more surface units which include either a gas flame or electric resistance heating.

Conventional oven means a class of kitchen ranges and ovens which is a household cooking appliance consisting of one or more compartments intended for the cooking or heating of

food by means of either a gas flame or electric resistance heating. It does not include portable or countertop ovens which use electric resistance heating for the cooking or heating of food and are designed for an electrical supply of approximately 120 volts.

Conventional range means a class of kitchen ranges and ovens which is a household cooking appliance consisting of a conventional cooking top and one or more conventional ovens.

Convertible cooking appliance means any kitchen range and oven which is a household cooking appliance designed by the manufacturer to be changed in service from use with natural gas to use with LP-gas, and vice versa, by incorporating in the appliance convertible orifices for the main gas burners and a convertible gas pressure regulator.

Covered product means a consumer product of a type specified in section 322 of the Act.

Dehumidifier means a self-contained, electrically-powered, mechanically-refrigerated device designed primarily to decrease the moisture content of the air in an enclosed space; it has a refrigerated surface (evaporator) onto which moisture from the air condenses, a refrigerating system that includes an electric motor, a fan for circulating air, and a drainage arrangement for collecting and/or disposing of the condensate.

Direct vent system means a system supplied by a manufacturer which provides outdoor air or air from an unheated space (such as an attic or crawl space) directly to a furnace or vented heater for combustion and for draft relief if the unit is equipped with a draft control device.

Dishwasher means a cabinet-like appliance which with the aid of water and detergent, washes, rinses, and dries (when a drying process is included) dishware, glassware, eating utensils, and most cooking utensils by chemical, mechanical and/or electrical means and discharges to the plumbing drainage system.

DOE means the Department of Energy.

Electric boiler means an electrically powered furnace designed to supply low pressure steam or hot water for

space heating application. A low pressure steam boiler operates at or below 15 pounds per square inch gauge (psig) steam pressure; a hot water boiler operates at or below 160 psig water pressure and 250° F. water temperature.

Electric central furnace means a furnace designed to supply heat through a system of ducts with air as the heating medium, in which heat is generated by one or more electric resistance heating elements and the heated air is circulated by means of a fan or blower.

Electric clothes dryer means a cabinet-like appliance designed to dry fabrics in a tumble-type drum with forced air circulation. The heat source is electricity and the drum and blower(s) are driven by an electric motor(s).

Electric heater means an electric appliance in which heat is generated from electrical energy and dissipated by convection and radiation and includes baseboard electric heaters, ceiling electric heaters, floor electric heaters, portable electric heaters, and wall electric heaters.

Electric refrigerator means a cabinet designed for the refrigerated storage of food at temperatures above 32° F., and having a source of refrigeration requiring single phase, alternating current electric energy input only. An electric refrigerator may include a compartment for the freezing and storage of food at temperatures below 32° F., but does not provide a separate low temperature compartment signed for the freezing and storage of food at temperatures below 8° F.

de

Electric refrigerator-freezer means a cabinet which consists of two or more compartments with at least one of the compartments designed for the refrigerated storage of food at temperatures above 32° F. and with at least one of the compartments designed for the freezing and storage of food at temperatures below 8° F. which may be adjusted by the user to a temperature of 0° F. or below. The source of refrigeration requires single phase, alternating current electric energy input only. Energy conservation standard

means:

(a) A performance standard which prescribes a minimum level of level of energy efficiency or a maximum quantity of energy use for a covered prod

50-032 0-91--2

uct, determined in accordance with test procedures prescribed under section 323; or

(b) A design requirement for the products specified in paragraphs (6), (7), (8), (10), and (13) of section 322(a) of the Act; and includes any other requirements which the Secretary may prescribe under section 325(o) of the Act.

Evaporator coil means a component of a central air conditioner which is designed to absorb heat from an enclosed space and transfer the heat to a refrigerant.

Floor electric heater means an electric heater which is intended to be recessed in a floor, and which transfers by radiation and/or convection (either natural or forced).

Fluorescent lamp ballast means a device which is used to start and operate fluorescent lamps by providing a starting voltage and current and limiting the current during normal operation.

Forced air central furnace means a gas or oil burning furnace designed to supply heat through a system of ducts with air as the heating medium. The heat generated by combustion of gas or oil is transferred to the air within a casing by conduction through heat exchange surfaces and is circulated through the duct system by means of a fan or blower.

Freezer means a cabinet designed as a unit for the freezing and storage of food at temperatures of 0° F. or below, and having a source of refrigeration requiring single phase, alternating current electric energy input only.

Furnace means a product which utilizes only single-phase electric current, or single-phase electric current or DC current in conjunction with natural gas, propane, or home heating oil, and which

(a) Is designed to be the principal heating sources for the living space of a residence;

(b) Is not contained within the same cabinet with a central air conditioner whose rated cooling capacity is above 65,000 Btu per hour;

(c) Is an electric central furnace, electric boiler, forced-air central furnace, gravity central furnace, or low

pressure steam or hot water boiler; and

(d) Has a heat imput rate of less than 300,000 Btu per hour for electric boilers and low pressure steam or hot water boilers and less than 225,000 Btu per hour for forced-air central furnaces, gravity central furnaces, and electric central furnaces, gravity central furnaces, and electric central fur

naces.

Gas means either natural gas or propane.

Gas clothes dryer means a cabinetlike appliance designed to dry fabrics in a tumble-type drum with forced air circulation. The heat source is gas and the drum and blower(s) are driven by an electric motor(s).

Gravity central furnace means a gas fueled furnace which depends primarily on natural convection for circulation of heated air and which is designed to be used in conjunction with a system of ducts.

Heat pump means a product, other than a packaged terminal heat pump, which consists of one or more assemblies, powered by single phase electric current, rated below 65,000 Btu per hour, utilizing an indoor conditioning coil, compressor, and refrigerant-tooutdoor air heat exchanger to provide air heating, and may also provide air cooling, dehumidifying, humidifying circulating, and air cleaning.

Home heating equipment, not including furnaces means vented home heating equipment and unvented home heating equipment.

Humidifier means a consumer product designed to add moisture into the conditioned air, and which falls into one of the following classes: a central system humidifier or room humidifier.

Immersed heating element means an electrically powered heating device which is designed to operate while totally immersed in water in such a manner that the heat generated by the device is imparted directly to the water.

Kerosene means No. 1 fuel oil with a viscosity meeting the specifications as specified in UL-730-1974, section 36.9 and in tables 2 and 3 of ANSI Standard Z91.1-1972.

Kitchen ranges and ovens means consumer products that are used as

the major household cooking appliances. They are designed to cook or heat different types of food by one or more of the following sources of heat: Gas, electricity, or microwave energy. Each product may consist of a horizontal cooking top containing one or more surface units and/or one or more heating compartments. They must be one of the following classes: Conventional ranges, conventional cooking tops, conventional ovens, microwave ovens, microwave/conventional ranges and other kitchen ranges and ovens.

Low pressure steam or hot water boiler means an electric, gas or oil burning furnace designed to supply low pressure steam or hot water for space heating application. A low pressure steam boiler operates at or below 15 pounds psig steam pressure; a hot water boiler operates at or below 160 psig water pressure and 250° F. water temperature.

LP-gas means liquified petroleum gas, and includes propane, butane, and propane/butane mixtures.

Major cooking component means either a conventional cooking top, a conventional oven or a microwave

means a class of kitchen ranges and ovens which is a household cooking appliance consisting of a microwave oven, a conventional oven, and a conventional cooking top.

Microwave oven means a class of kitchen ranges and ovens which is a household cooking appliance consisting of a compartment designed to cook or heat food by means of microwave energy.

Monochrome television set means an electrical device designed to convert incoming broadcast signals into monochrome television pictures and associated sound.

Natural gas means natural gas as defined by the Federal Power Commission.

Oil means heating oil grade No. 2 as defined in American Society for Testing and Materials (ASTM) D396-71.

Other clothes washer means a class of clothes washer which is not an

automatic or semi-automatic clothes washer.

Other kitchen ranges and ovens means any class of kitchen ranges and ovens other than the conventional range, conventional cooking top, conventional oven, microwave oven, and microwave/conventional range classes.

Outdoor furnace or boiler is a furnace or boiler normally intended for installation out-of-doors or in an unheated space (such as an attic or a crawl space).

Packaged terminal air conditioner means a wall sleeve and a separate unencased combination of heating and cooling assemblies specified by the builder and intended for mounting through the wall. It includes a prime source of refrigeration, separable outdoor louvers, forced ventilation, and heating availability energy.

Packaged terminal heat pump means a packaged terminal air conditioner that utilizes reverse cycle refrigeration as its prime heat source and should have supplementary heating availability by builder's choice of energy.

Person includes any individual, corporation, company, association, firm, partnership, society, trust, joint venture or joint stock company, the government, and any agency of the United States or any State or political subdivision thereof.

Pool heater means an appliance designed for heating nonpotable water contained at atmospheric pressure, including heating water in swimming pools, spas, hot tubs and similar applications.

an

Portable electric heater means electric heater which is intended to stand unsupported, and can be moved from place to place within a structure. It is connected to electric supply by means of a cord and plug, and transfers heat by radiation and/or convention (either natural or forced).

Primary heater means a heating device that is the principal source of heat for a structure and includes baseboard electric heaters, ceiling electric heaters, and wall electric heaters.

Propane means a hydrocarbon whose chemical composition is predominantly C3H, whether recovered from natural gas or crude oil.