The Robertshaw 780-787 (HS780-34NR-306A) is a Gas Ignition Control Module used for heating systems.
The control module has an input voltage of 120/24VAC, 60Hz frequency, and 120/24VAC maximum load current.
The Robertshaw® 780 Series Hot Surface Controls are designed for use on gas fired systems. The system acts on a demand for heat by a switch or thermostat to supply power to the ignition control. On non pre-purge models, the ignitor will be energized immediately and remain on for either of two optional selected ignitor heat-up times: approximately 17 or 34 seconds. For models with the prepurge option, there is a time delay equal to the heat-up time selected before the ignitor is energized. At the end of the ignitor heat-up time, the gas valve is opened supplying gas to the main burner. After several seconds, the ignitor is turned off and the sensor is energized. As long as flame is sensed, the system continues to operate.
Features and Benefits
Reduces truck stock inventory, saving space and money
Easy-to-install with complete in-depth installation instructions
Molded-in terminal barriers between terminals
Models available for local and remote sense application
Mounting screw provides a positive ground connection
Small compact size provides no hassle installation
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