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ALL UL STDS for CANADA
1.1 These requirements cover self-contained, refrigerated vending machines intended for connection to alternating-current circuits rated 600 volts or less in accordance with ANSI/NFPA 70. Vending machines covered by these requirements:
a) Incorporate refrigeration systems of the air-cooled or water-cooled type employing hermetic refrigerant motor-compressors;
b) May be battery operated;
c) May employ flammable refrigerant as defined in Requirements for Refrigerated Venders Employing a Flammable Refrigerant in the Refrigerating System, Supplement SA;
d) May employ thermoelectric chilling systems.
1.2 These requirements also cover refrigerated vending machines intended for installation within motor fuel dispensing facilities in accordance with Supplement SB of this Standard: Requirements for Refrigerated Vending Machines Intended for Installation within Motor Fuel Dispensing Facilities, and as defined by NFPA 30A.
1.3 These requirements do not cover vending machines incorporating universal motors rated at more than 250 volts, nor vending machines which have a principal function other than storage and dispensing of refrigerated products; nor to vending stations, that is, freestanding stationary structures for outdoor use.
This revision to ANSI/UL 541 dated November 19, 2020 revises installation instructions for vending machines having flammable refrigerant; SA6.2.3.
RevisionsRed Line Std. (6)
CSDS Proposals (5)
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Referenced Standards (48)
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