N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 4-9.4

Current through Register Vol. 46, No. 50, December 11, 2024

Section 4-9.4 - Trial-for-ignition period

(a) Equipment. Timed trial-for-ignition equipment shall be provided for both the pilot and the main burner.

(b) Input rating under 400,000 BTU/hr per combustion chamber. For burners with an input rating of less than 400,000 Btu per hour, the trial-for-ignition period for the pilot on automatically fired boilers shall not exceed 90 seconds. The main burner trial-for-ignition period shall not exceed 90 seconds.

(c) Input rating to 5,000,000 BTU/hr per combustion chamber. For burners with an input rating of 400,000 Btu per hour or more, but less than 5,000,000 Btu per hour, the trial-for-ignition period for the pilot for automatically fired boilers shall not exceed 15 seconds. The main burner trial-for-ignition period shall not exceed 15 seconds.

(d) Input rating over 5,000,000 BTU/hr per combustion chamber. For burners with an input rating of 5,000,000 Btu per hour and over, the trial-for-ignition period for the pilot shall not exceed 15 seconds. The main burner trial-for-ignition period shall not exceed 15 seconds. On power or inshot type burners of this size, the pilot shall automatically shut off not more than 15 seconds after the main fuel valve is opened. On atmospheric type burners of this size, a constant burning type pilot is acceptable, providing the pilot is proven before the main gas valve is opened.

N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 4-9.4