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G779LHA-1. The G779 Universal Replacement Intermittent Pilot Ignition Control replaces many existing intermittent pilot controls made by various manufacturers. It is a safety control designed for indirect burner ignition and supervision. The G779 can be used with all gas-fired appliances with a maximum firing rate of 400,000 Btu/hr. The G779 replaces existing intermittent pilot ignition controls with the following specifications: • flame detection using flame rectification technology (ability of a flame to conduct and rectify current) • integral or remote flame sensing • non-100% lockout, 100% lockout, or 100% shutoff with continuous retry • trial for ignition period greater than or equal to 25 seconds • prepurge period less than 1 second • pilot burners with flow rates of 1,500 Btu/hr or less • operating with or without vent dampers (Johnson controls G779LHA-1C, G779LHA-1 ignition control is the responsibility of Don Lindsay) |
don.lindsay@cedar--rapids.com (Don Lindsay) for more information.
