Heat Pumps
This Component changes the flow of refrigerant for a given cycle.
What is the Reversing Valve?
This component absorbs heat from the house.
What is the evaporator coil?
This is the point where liquid and gas exist at the same time.
What is saturation?
This will tell you the BTU input and output of the furnace, as well as the voltage rating and motor size.
What is the data tag?
This component turns off and on heating elements during normal operation.
What is a sequencer?
During this cycle the heat pump fan does not run.
What is defrost?
This part protects the compressor from operating with too little or without refrigerant.
What is the low pressure switch?
The PSC in PSC motors, stands for this.
What Permanent Split Capacitor?
A flame sensor can not work without this.
What is a ground connection?
Unlike gas furnaces, this measurement includes the evaporator coil in the air handler.
What is TESP? (total external static pressure)
The threshold a heat pump begins to lose efficiency and switches to the back up heat.
What is the Balance Point?
Liquid Saturated Temp – Actual Line Temp is used to measure what.
What is Subcooling?
All of the answers you seek are in this.
What is the manual?
Gas pressure is measured in this format.
What is inches of water column?
There are 3.41 of these in one watt.
What are BTUs?
During a call for heat, heat pumps using "O" will have voltage outside on these wires.
What is "Y" and "R"?
This part monitors and maintains super heat at the evaporator coil.
What is the TXV?
This is the quantity of heat required to raise the temperature of one pound of liquid water by 1° .
What is One BTU?
This gas used for most furnaces is lighter than air.
What is natural gas?
This single use device stops electricity from flowing through an element if the air temp is too high near the element.
What is a fusible link?
The function of this device is to intercept the liquid refrigerant before it can reach the compressor.
What is the accumulator?
Having a low or no superheat AND a higher than desired subcooling is a symptom of this problem.
What is an Over Charged Unit?
This temperature, known as Absolute Zero is where there is NO heat.
what is -460F?
This component extracts more heat from the exhaust of a furnace and gives it to the air stream.
What is the secondary heat exchanger?
The maximum continuous amp draw through a breaker is _____ of its rated max.
What is 80%?