As shown in figures "A", "B", "C", and "D" of the illustrated PLC controlled heating system, what input requirements must be met for the circulating p...

Question

As shown in figures "A", "B", "C", and "D" of the illustrated PLC controlled heating system, what input requirements must be met for the circulating pump #2 to be running?

Accepted Answer

The hot water tank sensor contacts must be closed and the boiler must be firing.

Engine 2014: Electricity

As shown in figures "A", "B", "C", and "D" of the illustrated PLC controlled heating system, what input requirements must be met for the circulating pump #2 to be running?

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