NASA NTRS · 19800000318
Multiplexed logic controls solar-heating system
Abstract
Four inexpensive thermocouples monitor temperatures at key points. On command from logic circuitry, dampers open and close to direct airflow, and fan and auxiliary heater shut on or off. Controlling complex arranges heating system in any one of four operating configurations.
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Currie, J. R.. 1981-01-01. Multiplexed logic controls solar-heating system. https://ntrs.nasa.gov/citations/19800000318
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