Unit 43 Air Source Heat Pumps Exam Questions (41 Terms) With Verified Definitions Updated 2024

The indoor coil acts as the ____________ in the summer and as the __________in the winter {Ans: Evaporator; Condenser}In the heating cycle, the outdoor coil operates approximately ______________ colder than the outside air temperature {Ans: 20 F - 25 F (Degrees Fahrenheit )}The Main Valve in a 4 way reversing valve is moved by pressure created by ________ {Ans: low and high pressure difference}A__________________________________ has a check valve built into the body of the TXV {Ans: Bi- Directional Thermostatic Expansion Valve}Air Source Heat Pump {Ans: a heating-cooling unit that transfers heat in either direction between the air outside a home and the indoors.}In time temperature defrost controls , the temperature that actuates the control is the temperature of the _______ {Ans: outside coil}