1.1范围1.1.1这些要求包括无人值守的燃气无排气管建筑加热器，红外线和辐射式加热器除外，用于在建、改建或维修的建筑供暖。通风加热器将按照重力强迫空气现行标准的适用要求进行测试

1.1 Scope 1.1.1 These requirements cover unattended gas-fired unvented construction heaters, other than infra-red and radiant type heaters, for use in heating buildings under construction, alteration or repair. Vented heaters will be tested to the applicable requirements of the current Standard for Gravity Forced Air