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Any listing in this product directory or other related materials, where “NRTL” appears next to the product name was tested by ARL as a NRTL.  The NRTL status for these listed products was valid through January 27th, 2008 unless previously delisted.  These products may remain listed solely by ARL. However, they are no longer under the surveillance of the NRTL program.

HEATING AND COOLING EQUIPMENT

The requirements for this category of products include stationary equipment for use in non-hazardous locations, rated 7200 volts or less, single or three phase, and remote control assemblies for such equipment:

a)            Heat pumps, for heating and cooling with or without factory or field installed electric resistance heaters, or hot water or steam heating coils.

b)            Air conditioners for cooling with or without factory or field installed electric resistance heaters, or hot water or steam heating coils.

c)            Cooling portion and associated components of combination heating and cooling equipment employing gas, oil, or gas/oil fired heating means.  However, the requirement for the construction and performance of the gas, oil, or gas/oil fired heating means, and their associated components, shall conform to the particular standards covering such heating equipment and components.

d)            Liquid chillers and compressor/evaporator or liquid chiller assemblies intended for use with remote condensers.

e)            Condensing units intended for connection to a remote non-specified evaporator and compressor units intended for connection to a remote non-specified evaporator and condenser.

f)            Add-on heat pumps for comfort heating or heating and cooling.

g)            Heat pump water heaters and refrigerant desuperheaters, and packaged heat pump water heaters consisting of a heat pump water heater and an associated storage tank.

h)            Fan units and fan coil units for comfort heating and/or comfort cooling.

i)            Room fan heater units, central heating furnaces, and similar fixed electric space heating for comfort heating.

The units referenced in item (g) may be cord connected if they:

a)            are for indoor use only;

b)            are rated 250 volts or less, single phase, with a marked rating of 24 amperes or less; and

c)            comply with Clause 1.11 of ANSI/UL 1995.

A fan unit includes a motor operated fan or blower, and is intended to be connected to a duct system that supplies conditioned air for environmental heating and/or cooling.  Such a unit may have air controlled dampers, but does not include a factory installed heat exchanger or any other integral heating or cooling means.

A fan coil unit includes a motor operated fan or blower together with a cooling coil, a heating coil, or both.  The fan or blower is intended to recirculate air, and may introduce air from outside of the heated or cooled space.  The coil may be used for refrigerant cooling, for chilled water cooling, for hot water heating, for steam heating, or for combinations of these functions.

A fan coil unit is intended to be piped to a remote source of the heating and/or cooling mediums.  A unit that includes an electric resistance heater is considered to be a fan coil unit if a water or refrigerant coil for comfort cooling and/or a water or steam coil for comfort heating is provided in the unit.

A room fan heater unit is intended for heating only, includes a motor operated fan or blower, employs electric resistance heat as the only heat source, and is intended to serve only one room or space.

A fan coil unit or electric space heating equipment, as covered by these requirements, may be designed for free discharge of air to the room or may be provided with means for duct connection.

A central warm air furnace is a heating appliance that consists of an electric heating element or elements with an air circulating fan or blower, is provided with appropriate integral operating and temperature limiting controls, and is housed in an enclosure designed to be connected to duct work for the distribution of the heated air remote from the unit.

The units referenced in the paragraph 1 may consist of one or more factory made assemblies.  If provided in more than one assembly, the separate assemblies are to be used together, and the requirements are based on the use of matched assemblies.  These requirements apply to assemblies designed for free discharge of air into the conditioned space as well as those which may be provided with means for duct connection.

The requirements for this category do not apply to add-on heat pump systems designed to utilize the indoor fan motor assembly of an installed furnace where:

a)            the heat pump and furnace are intended to operate simultaneously during heating operation except as noted in the Exception to Clause 26.14 of ANSI/UL 1995; or

b)            the refrigerant coil is intended to be mounted upstream (return air side) of the furnace.

The requirements for this category do not cover panel or cable type radiant heating equipment, electric boilers, baseboard heaters, air heaters, duct heaters, and unit coolers for refrigeration purposes, nor any other electric heating equipment or appliances which are covered in or as a part of separate, individual standards.

Each product is marked with the name or trademark of the (manufacturer) or vendor, a distinctive type, style, model or catalog designation, date code, electrical ratings, electrical hazard warnings, wiring diagram, type and amount of refrigerant employed, factory test pressures for suction and discharge sides, and other markings and cautionary or hazard warnings as required for individual types of products.

These products comply with ARL requirements which include pertinent sections of the Standard for Safety, ANSI/UL 1995, Heating and Cooling Equipment. The listings apply to equipment designed to be used in non-hazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I; and requirements of the National Electrical Code, ANSI/NFPA No. 70; the Mechanical Refrigeration Code, CSA Standard B52, and the Safety Code for Mechanical Refrigeration, ANSI/ASHRAE 15; and the Standard for the Installation of Air Conditioning and Ventilating Systems, NFPA 90A; and the Standard for the Installation of Warm Air Heating and Air Conditioning Systems, NFPA 90B.  In addition, requirements for the installation of units designed to be connected to air duct systems are also included in codes such as the BOCA Basic National Mechanical Code, the Standard Mechanical Code, and the Uniform Mechanical Code.

Units intended for connection to telecommunication equipment have the appropriate assembly containing such circuitry to meet the Standard for Telecommunication Equipment, CSA C22.2 No. 225, and Telephone Equipment, ANSI/UL 1459.

A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements of the standard, and that involve a risk of fire, electric shock, or injury to persons, have been evaluated using the appropriate additional component and end-product requirements as determined necessary to maintain the acceptable level of safety as originally anticipated by the intent of the standard.  A product whose features, characteristics, components, materials, or systems conflict with specific provisions of the standard have been judged to be in non-compliance with the standard.

Only products which properly bear the ARL Listing Mark (Label) are considered Listed by ARL.


NOTE:

Delisted products appear with a double strike through and “DELISTED” after the report number.
Deleted/revised models for listed products appear with a single strike through.

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APPLIED RESEARCH LABORATORIES OF SOUTH FLORIDA, LLC

Listed Product Directory (revised 01.13.15)