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.
Multiplexed logic controls solar-heating system
NASA Tech Briefs ; 5 , 3
1981-01-01
Sonstige
Keine Angabe
Englisch
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