Explain the difference between the two uses of the "B" terminal in heat pump controls

What will be an ideal response?


One use energizes B during the heating cycle, Energizes the reversing valve in heat.
The other provides common. The two are not interchangeable or even interconnectable.

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The ____________________ status bit will be set when a math operation results in a value less than zero.

Fill in the blank(s) with the appropriate word(s).

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Too much air across the evaporator coil (moving too quickly) usually results in _____.

a. poor humidity control b. a high air-temperature difference c. poor compressor oil return d. evaporator coil damage

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Before crimping a new terminal on a typical weatherproof connector assembly, which of the following should be done FIRST?

A. lock the terminal into the connector B. bend the locking tang outward C. force the locking tang flush D. push the wire through the connector block

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A frozen battery can be thawed by charging it slowly

Indicate whether the statement is true or false

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