Question

Match each of the descriptive phrases with the heat pump term it best describes. a length of tubing that runs to and from a water coil underground.

1. a defrosting method in which an electric resistance heater is placed near the outdoor coil.
2. the point at which a heat pump output equals the heat loss of the conditioned space.
3. an underground length of tubing through which refrigerant is circulated.
4. a supplementary heat source that can be turned on automatically at a given set point.
5. heat pump component that circulates refrigerant and absorbs heat from or releases heat to the air.

Answer 1

Heat pump terms such as compressor, condenser, expansion valve, and evaporator correspond to the specific descriptions related to components of a heat pump system. Each part plays a critical role in the heating process facilitated by the heat pump, including defrosting and maintaining the balance point.

Step-by-step explanation:

The descriptive phrases provided by the student can be matched with heat pump terms based on their functions within the heat pump system. Here are the matches:

1. A length of tubing that runs to and from a water coil underground is commonly associated with an underground length of tubing through which refrigerant is circulated.
2. A defrosting method in which an electric resistance heater is placed near the outdoor coil refers to a supplementary heat source that can be turned on automatically at a given set point.
3. The point at which a heat pump output equals the heat loss of the conditioned space is known as the balance point.
4. An underground length of tubing through which refrigerant is circulated describes a ground-source heat pump's ground loop.
5. A supplementary heat source that can be turned on automatically at a given set point is usually an electric resistance heater or auxiliary heat.
6. Heat pump component that circulates refrigerant and absorbs heat from or releases heat to the air describes the compressor within the heat pump system.

The compressor is integral to the heat pump system, increasing the pressure and temperature of the refrigerant gas before it enters the condenser coils. The condenser then facilitates the heat transfer to the indoor space as the refrigerant condenses to a liquid. This cycle repeats as the refrigerant passes back through an expansion valve to the outdoor evaporator coils, where it absorbs heat from the environment.