In this video, Bryan Orr, founder of HVAC School and president of Kalos Services Inc., walks us through the essential wiring ...
This fan controller is using an electronic thermostat LM56 produced by National Semiconductor. The LM56 is a precision low power thermostat. Two stable temperature trip points (VT1 and VT2) are ...
This electronic car thermostat circuit described here regulates the air blower system of a car. When the temperature inside the car exceeds a certain preset level T1 tuns on the fan. A temperature ...
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