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About This Item
Full Description
1.1.1
This standard applies to newly produced automatic gas ignition systems (see Part III, Definitions) and components thereof other than types utilizing low, extra low, or high voltages, constructed entirely of new, unused parts and materials. An automatic gas ignition system shall perform the following functions:
(a) Ignite the gas at the main burner(s),
(b) Prove the presence of either the ignition means, the main burner flame, or both; and
(c) Automatically act to shut off the gas supply to the main burner(s), or to the pilot burner(s) and the main burner(s), when the supervised flame or ignition means is not proved.
Components submitted for examination under this standard shall perform one or more of the above functions.
1.1.2
This standard covers automatic gas ignition systems and components thereof intended primarily for use with gas appliances having inputs of 400 000 Btuh (117.23 kW) or less per individual combustion chamber.
1.1.3
This standard applies to automatic gas ignition systems and components thereof for use with one or more of the following gases:
(a) Natural (b) Propane
1.1.4
Compliance of an automatic gas ignition system or component thereof with this standard does not imply that such a system or component of such a system is acceptable for use on gas appliances without supplemental tests with the device(s) applied to the particular appliance design.
1.1.5
Each component of an automatic gas ignition system shall be capable of operation throughout a temperature range of 32?F (0?C) to 125?F (52?C) unless either higher, lower, or both higher and lower temperatures are specified by the manufacturer. At the option of the manufacturer, the operating temperature range may be increased above 125?F (52?C) in increments of 25?F (14?C) and may be reduced below 32?F (0?C) to either -20?F (- 29?C) or -40?F (-40?C).
1.1.6
The tests specified herein are to verify performance within the manufacturer's specified maximum and minimum timings where applicable.
(a) Flame-establishing period (b) Flame failure response time
The above terms are defined in Part III, Definitions.
1.1.7
For low, extra low, and high voltage automatic gas ignition systems and components thereof, the current standard CSA C22.2 No. 24 TEMPERATURE INDICATING AND REGULATING EQUIPMENT applies.