When electric strip heat is used with a heat pump, when is the electric strip heat energized?

A) The heat pump comes on in the first stage, and the strips in the second stage.
B) The electric strip heat comes on in the first stage, and the heat pump in the second stage.
C) Both the heat pump and the strips come on in the second stage.
D) Both the heat pump and strips come on in the first stage.


A

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