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<br />ORDINANCE No. 163 <br /> <br />14:.i <br /> <br />SECTION 2-25.2 <br /> <br />Luminous flame pilots shall not show carbon deposits when adjusted <br />according to the manufacturers' instructions. <br /> <br />SECTION 2 - 25.3 <br /> <br />Where escapement pilots are used, their f~ames shall be freely ignited <br />by the constant burning pilot. <br /> <br />SECTION 2 - 26 BURNER OPERATION: <br /> <br />. <br />The flames from each burner shall freely ignite the gas from adjacent <br />burners when operating at the normal gas pressure or when th,e main control <br />valve is regulated to deliver about one-third (1/3) the full gas rate, except <br />where additional pilots are provided. If the additional pilot is a runner <br />type pilot, this pilot must be proven by a safety mechanism before the main <br />burner valve can open. <br /> <br />SECTION 2 - 26.1 <br /> <br />Burner flames shall not flash back upon immediate ignition, nor upon <br />turning the gas cock until the gas rate to the burner is about one-third 0/3) <br />the full supply. <br /> <br />SECTION 2 - 26.2 <br /> <br />Burner flames shall not flash back when the gas is turned on or off by <br />any automatic control mechanism. <br /> <br />SECTION 2 - 26.3 <br /> <br />. <br />Main burner flames shall ignite freely from each constant burning pilot <br />when the main control valve is regulated to deliver about one-third (1/3) <br />the full gas rate and when pilot flame is reduced to minimum point at which it <br />will actuate the safety thermostatic device. The holding port of multiple <br />port pilots must satisfactorily ignite the main burner if the ignition port, <br />or port~, are stopped. <br /> <br />SECTION 2 - 26.4 <br /> <br />Burners shall be of such design that ignition from pilot or pilots <br />will carry to all p.rts or burner heads protected by the pilot at inputs from <br />one-third (1/3) to Maximum rating. <br /> <br />SECTION 2 - 26.5 <br /> <br />. <br />When ignition is made in a normal manner, the names shall not flash <br />outside the appliance. <br /> <br />SECTION 2 - 26.6 <br /> <br />Burners shall not expel gas through air openings in mixer faces when <br />operating at the normal burner pressure. . <br />Note: In making the test under Sections 2-25 and 2-26, c~ shall be exercised <br />to prevent the accumulation of unburned gas in the appliance o.r flues which <br />might result in explosion or fire.. <br />