Answer :
Final answer:
In a typical heat pump in heat mode, the recommended temperature differential at the inside coil is 10 degrees Fahrenheit.
Explanation:
In a typical heat pump in heat mode, the recommended temperature differential at the inside coil is 10 degrees Fahrenheit (option B).
The process of a heat pump in heating mode involves heat transfer in the evaporator from the colder outdoor air to the working fluid, turning it into a gas. The electrically driven compressor then increases the temperature and pressure of the gas and forces it into the condenser coils inside the heated space.
As the gas condenses into a liquid, heat is transferred from the gas to the room, and the recommended temperature differential at the inside coil is 10 degrees Fahrenheit.
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