Heating technology

Heating technology

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The wire from the other side of the relay coil goes back to the opposite terminal on the transformer. A wiring diagram of this circuit is shown in Figure 11-14. When the thermostat calls for heat, the relay coil is energized, a process that closes theanbsp;...

Title:Heating technology
Author:S. Don Swenson
Publisher:Breton Books - 1983


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