AS NZS 5263.1.8:2021 Gas appliances Part 1.8: Decorative effect gas appliances

AS NZS 5263.1.8:2021 Gas appliances Part 1.8: Decorative effect gas appliances. 1.3.36 flame abnormality flame condition that results in spitting, sputtering, lifting or floating flames, lighting back, extinction, yellow tipping causing carbon deposition, carbon deposition or objectionable odour and undue noise Note 1 to entry: If the length of the yelLow tipping is less than 20 % of the total length of the flame on visual inspection it is not considered to be “appreciable” yellow tipping. Note 2 to entry: In appliances designed specifically for a luminous or visual effect, limited carbon deposition within the appliance, yellow tipping and limited lifting or floating flames are not considered abnormal. 1.3.201 CO safety system system that causes the gas supply to be shut off before the carbon monoxide in the ambient air exceeds a specified concentration and before the oxygen in the ambient air falls below a specified concentration 1.3.202 console appliance appliance designed to be mounted on or against a wall and not built into a fireplace or cavity 1.3.203 decorative effect gas appliance gas appliance that simulates a solid fuel fire or uses a flame effect and whose primary function lies in the aesthetic effect of the gas flames Note 1 to entry: Appliances that simulate a solid fuel fire or flame effect, where the primary function is to heat the space in which the appliance is installed, are considered to be space heating appliances (see Clause 1.1 Note 1). 1.3.203.1 Type 1 appliance decorative effect gas appliance without an enclosure and designed to be installed in an existing fireplace with a chimney, which vents the flue gases outside the building 1.3.203.2 Type 2 appliance decorative effect gas appliance with an enclosure, for connection to a flue that vents the flue gases outside the building 1.4 Test methods The modified and new test methods applicable for this Standard are located in the following appendices; apart from these, the test methods of AS/NZS 5263.0 apply. Appendix ZA — Preliminary test methods (applicable for Section 3) There are no modifications or new methods for this Standard. Preliminary test methods from AS/NZS 5263.0 apply as set out in Section 3. Appendix ZB — Limiting conditions test methods (applicable for Section 4) ZB.1 Determination of CO/CO2 ratio for independent surface combustion burners — Underload test ZB.2 Determination of CO/CO2 ratio for any independent burner — Overload test.AS NZS 5263.1.8 pdf download.