NATE HEAT PUMP TEST WITH VERIFIED ANSWERS GRADED A+

NATE HEAT PUMP TEST WITH VERIFIED ANSWERS GRADED A+ What is the purpose of the reversing valve on an air to air heat pump? A. it reverses the direction of the compressor B. it changes the flow of refrigerant, making the outdoor coil the condenser during the winter months C. it changes the flow of refrigerant, making the indoor coil the condenser during the winter months D. it changes the flow of refrigerant, making the indoor coil the condenser during the summer months - ANSWERS-C. it changes the flow of refrigerant, making the indoor coil the condenser during the winter months On a reversing valve solenoid, what is connected to the top tube? A. the compressor discharge line B. the compressor suction line C. the indoor coil D. the outdoor coil - ANSWERS-A. the compressor discharge line On a reversing valve solenoid, what is connected to the bottom centre tube? A. the compressor discharge line B. the compressor suction line C. the indoor coil D. the outdoor coil - ANSWERS-B. the compressor suction line What pressure difference must be between the low side and the high side of the heat pump system for the reversing valve to operate properly? A. 25 psig B. 50 psig C. 75 psig D. 100 psig - ANSWERS-C. 75 psig Where are the check valves located on a air to air heat pump? A. oh the outdoor coil B. on the indoor coil C. on the outdoor and indoor coil D. on the suction line - ANSWERS-C. on the outdoor and indoor coil How are the check valves connected in a heat pump system? A. on the inlet of the accumulator B. in parallel with both metering devices C. in series with one metering device and parallel with the other D. both B and C - ANSWERS-D. both B and C