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ANSI Z21.97-2017/CSA 2.41-2017
Outdoor decorative gas appliances
Preface
This is the third edition of ANSI Z21.97 ò CSA 2.41, Outdoor decorative gas appliances. It supersedes the previous editions published in 2014 and 2012.Scope
1.1 This Standard applies to newly produced decorative gas appliances for outdoor installation (see Clause 3, Definitions), constructed entirely of new, unused parts and materials; hereinafter referred to as appliance. Appliances submitted for examination under this Standard are classified as one of the following: portable, stationary, or built-in. 1.2 Appliances may be for: a) connection to a fixed fuel piping system; or b) connection to a self-contained propane gas supply system (see Clause 3, Definitions). Cylinder(s) for a self-contained system may be either remote to the appliance or integrally mounted on the appliance, are designed for vapor withdrawal only.- i) Appliances with input ratings less than 60,000 Btu/hr (17 584 W) are designed to accommodate vertically mounted integral cylinder with a maximum size of 20 lb (9.1 kg) of fuel. ii) Appliances with input ratings greater than or equal to 60,000 Btu/hr (17 584 W) may be designed to accommodate a vertically mounted integral cylinder with a maximum size of 30 lb (13.6 kg) of fuel. iii) Appliances with input ratings greater than or equal to 80,000 Btu/hr (23 446 W) may be designed for not more than two vertically mounted integral vapor withdrawal cylinders, each with a maximum size of 20 lb (9.1 kg) of fuel. iv) Portable appliances intended for table top use are to have input ratings limited to not more than 15,000 Btu/hr (4 396 W), and are designed to accommodate a vertically mounted cylinder with a maximum size of 16.4 oz (465 g) of fuel. v) Portable appliances with input ratings not greater than or equal to 25,000 Btu/hr (7 327 W) may be designed for the use of not more than two cylinders, each with a maximum size of 16.4 oz (465 g) of fuel. vi) Appliances designed for use with remote propane cylinders are limited to one cylinder of maximum 30 lb (13.6 kg) of fuel or two cylinders with maximum of 20 lb (9.1 kg) of fuel each.
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CSA America, Inc. [csa]