前言:这是CSA/ANSI Z21的第九版。88•CSA 2.33，通风式燃气壁炉加热器。它取代了2017年、2016年、2014年、2009年、2005年、2002年、2000年和1998年出版的之前版本。范围:1.1本标准适用于新生产的通风式燃气壁炉加热器（见第3条，定义），以下简称设备，完全由新的、未使用的零件和材料制成，输入额定值高达400000 Btu/hr（117 228 W）:a，用于天然气； b） 与丙烷一起使用；c） 适用于制造家庭（仅限美国）或移动式家庭OEM安装的直接通风装置，可转换为天然气和丙烷使用，前提是提供从一种气体到另一种气体的简单转换[见第4.1.4a）和b条]；d） 家用（仅限美国）或移动式家用售后设备的直接排气装置，仅用于天然气或丙烷气[见第4.1.4b条]；e） 休闲车安装的直接排气装置，仅用于丙烷气[见第4条。 1.4c）]；f） 用于休闲车安装的直接排气装置，仅可转换为与天然气和丙烷气一起使用，前提是提供了从一种气体到另一种气体的简单转换[见第4.1.4c条]；andg）用于制造家用（仅限美国）或移动家用OEM安装的直接排气装置，仅用于丙烷气[见第4.1.4a条]。通风式燃气壁炉加热器和通风式燃气壁炉加热器的构造，以及与上述装置一起使用的冷却装置- 上述气体包含在第4条“施工”中。第5条“性能”涵盖了用于上述气体的通风式燃气壁炉加热器和带冷却装置的通风式燃气壁炉加热器的性能。1.2在所有通风式燃气壁炉加热器上安装4和5。此外，第6条和第7条规定了通风冷凝式燃气壁炉加热器的具体要求。1.3附件A，用于现场安装的自动间歇引燃点火系统或按需引燃点火系统，包括新生产的（可选）自动间歇引燃点火系统等的规定- 按需引燃点火系统（见第3条，定义），完全由新的、未使用的零件和材料构成，在现场适用于配备现有连续引燃燃烧器的设备，并在安装在设备上时已检查和测试其是否符合本标准。1.4如果本标准中给出的测量值后跟其他单位的等效值，则第一个规定值应视为规范值。1.5除非另有规定，否则本标准中提及的所有“psi”均应视为表压。 1.6第9条“美国独有的项目”包含美国独有的条款。1.7第10条“加拿大独有的项目”包含加拿大独有的条款。1.8本标准也适用于工厂配备自动通风挡板装置（见第3条定义）的通风罩器具，以下简称通风挡板装置。1.9适用于通风式燃气壁炉加热器的特殊结构规定，设计用于可选设计- 认证转换套件在附录B“列出的燃气器具转换套件的规定”（可选）中进行了概述。1.10Clause 2“参考出版物”包含本标准中特别引用的标准列表以及可获取这些标准的来源。1.11在本标准中，“应”用于表示要求，即用户为遵守本标准而应满足的规定；“应该”用于表示建议或建议但不需要的建议； “可”用于表示一个选项或在标准范围内允许的选项。注释随附条款不包括要求或替代要求；随附条款的注释的目的是将解释性或信息性材料与文本分开。表和图的注释被视为表或图的一部分，可以作为要求编写。附件被指定为规范性（强制性）或信息性（非强制性）以定义其应用。

Preface:This is the ninth edition of CSA/ANSI Z21.88 • CSA 2.33,Vented gas fireplace heaters. It supersedes the previous editions published in 2017, 2016, 2014, 2009, 2005, 2002, 2000, and 1998.Scope:1.1This Standard applies to newly produced vented gas fireplace heaters (see Clause 3, Definitions), hereinafter referred to as appliance(s), constructed entirely of new, unused parts and materials, and having input ratings up to and including 400,000 Btu/hr (117 228 W):a) for use with natural gas;b) for use with propane;c) direct vent appliances for manufactured home (USA only) or mobile home OEM installation convertible for use with natural gas and propane when provision is made for simple conversion from one gas to the other [see Clause 4.1.4a) and b)];d) direct vent appliances for manufactured home (USA only) or mobile home aftermarket installation for use with natural gas only or propane gas only [see Clause 4.1.4b)];e) direct vent appliances for recreational vehicle installation for use with propane gas only [see Clause 4.1.4c)];f) direct vent appliances for recreational vehicle installation only convertible for use with natural gas and propane gas when provision is made for the simple conversion from one gas to the other [see Clause 4.1.4c)]; andg) for direct vent appliances for manufactured home (USA only) or mobile home OEM installation for use with propane gas only [see Clause 4.1.4a)].The construction of vented gas fireplace heaters and vented gas fireplace heaters with cooling units for use with the above-mentioned gases is covered under Clause 4, Construction.The performance of vented gas fireplace heaters and vented gas fireplace heaters with cooling units for use with the above-mentioned gases is covered under Clause 5, Performance.1.2Clauses 4and 5cover all vented gas fireplace heaters. In addition, Clauses 6and 7address the requirements specific to vented condensing gas fireplace heaters.1.3Annex A, Automatic intermittent pilot ignition systems or on-demand pilot ignition systems for field installation, includes provisions for newly produced (optional) automatic intermittent pilot ignition systems and on-demand pilot ignition systems (see Clause 3, Definitions), constructed entirely of new, unused parts and materials, to be adapted in the field to an appliance equipped with an existing continuous pilot burner and which has been examined and tested for compliance with this Standard when installed on the appliance.1.4If a value for measurement given in this standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification.1.5All references to "psi" throughout this Standard are to be considered gauge pressures, unless otherwise specified.1.6Clause 9, Items unique to the United States, contains provisions that are unique to the United States.1.7Clause 10, Items unique to Canada, contains provisions that are unique to Canada.1.8This Standard also applies to appliances with draft hoods that are factory-equipped with automatic vent damper devices (see Clause 3, Definitions), hereinafter referred to as vent damper devices.1.9Special construction provisions applicable to vented gas fireplace heaters designed for use with an optional design-certified conversion kit are outlined under Annex B, Provisions for listed gas appliance conversion kits (optional).1.10Clause 2, Reference publications, contains a list of standards specifically referenced in this Standard and sources from which they may be obtained.1.11In this Standard, "shall" is used to express a requirement, i.e., a provision that the user shall satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.