ANSI Z83.21-2016/CSA C22.2 NO. 168-16
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This is the common CSA Group, and UL standard for Commercial Dishwashers. It is the Second edition of CSA C22.2 No. 168, the Second edition of ANSI/CSA Z83.21, and the Seventh edition of UL 921. This edition of CSA C22.2 No. 168, ANSI/CSA Z83.21, supersedes the previous edition published in 2005. This edition of UL 921 supersedes the previous edition(s) published on January 31, 2005.
1.1 This Standard covers commercial, freestanding, under-counter, and counter-insert dishwashers, utensil-washers, and glass washers using water as the principal cleaning medium, hereafter referred to as dishwashers. These dishwashers utilize steam, gas, or electric heaters for heating the water. Heated water is provided to a dishwasher by means of steam, gas, or electric heating systems integral to the appliance, or by means not integral to the dishwasher that is provided at the installation site. 1.2 This Standard covers:
a) electric dishwashers rated 600 V or less, installed in accordance with the Canadian Electrical Code (CEC), Part 1, CSA C22.1, and the National Electrical Code (NEC), NFPA 70; and b) the gas-handling, gas-burning, and gas-control features of gas-fired dishwashers having inputs of 400,000 Btu (420 MJ) per hour or less, limited to 0.5 psig (3.45 kPa) inlet pressure, installed in accordance with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, the International Fuel Gas Code, ICC IFGC, or the Natural Gas and Propane Installation Code, CSA B149.1 for use with:
1) natural gas; 2) manufactured gas; 3) mixed gas; 4) propane gas; 5) liquefied petroleum gases; or 6) LP gas-air mixtures.
1.3 These requirements cover dishwashers intended for use in commercial establishments, such as kitchens of restaurants and hospitals, where they are not intended to be accessible to the public.
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