Consolidated Edison Inc. Consolidated Edison, Inc. is a holding company, which through its subsidiaries engages in the business of regulated electric, gas, and steam delivery. It operates through the following segments: Consolidated Edison Co. of New York, Inc.; Orange & Rockland Utilities, Inc; Competitive Energy Businesses; and Other. The Consolidated Edison Co. of New York segment involves regulated electric, gas, and steam utility businesses.
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When there is a call for humidity, the pre-combustion safety check confirms that the duct-pressure switch, duct high-limit humidistat and liquid-level control circuits are satisfied.The microprocessor then signals the blower to turn on, and the humidifierâs blower-pressure switch senses air movement.The unit then signals the ignition-control module to perform a purge cycle. The hot-surface igniter comes on and, after it comes up to temperature, the gas valve opens and gas ignition occurs.The flame-detection rod senses the presence of the flame, and combustion is underway. The humidifier accepts a 0-10 Vdc control signal and provides proportional output in response.he microprocessor then signals the blower to turn on, and the humidifierâs blower-pressure switch senses air movement. The unit then signals the ignition-control module to perform a purge cycle. The hot-surface igniter comes on and, after it comes up to temperature, the gas valve opens and gas ignition occurs.