CSA ANSI Z21.74a-2010

CSA ANSI Z21.74a-2010 PDF

Preface The standards set forth herein apply to the second edition of the Standard for Portable Refrigerators for Use With HD-5 Propane Gas, Z21.74-1992 (R2006), and supersede corresponding standards therein. Following their preparation by the supervising Technical Advisory Group, they were accepted by the American National Standards Institute (ANSI) and subsequently approved.

This standard covers gas-fired refrigerators, having refrigerated spaces for storage of foods with input ratings of 1000 Btu/hr (293 W) or less, and which are for use with HD-5 propane gas only. These refrigerators are intended for use both indoors in adequately ventilated structures and outdoors. This standard applies to refrigerators designed for self-contained fuel supplies and using fuel cylinders of not more than 75 in3 (1 230 cm3) (21/2 pounds nominal water capacity). Fuel supplies shall be in accordance with the Standard for the Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA No. 58.