Heat Pump System Diagram

A refrigerator is essentially an insulated box with a heat pump system connected to it.

Heat pump system diagram.

A heat pump is an air conditioning system which can also provide very efficient heating. The evaporator coil is located inside the box usually in the freezer compartment. A typical air source heat pump system is a split or two part system that uses electricity as its power source. Just as a refrigeration system removes and relocates heat from a cooler or freezer so too does a heat pump remove heat from cold outdoor air and relocate it to within a building.

The heat pump works in conjunction with the air handler to distribute the warm or cool air to interior spaces. The system contains an outdoor unit that looks similar to an air conditioner and an indoor air handler. These two system components maintain the flow of refrigerant through the heat pump system and also maintain the heat transfer coils at the desired temperatures and pressures. In addition to the evaporator and condenser the heat pump system also has a compressor and a metering device.

Heat is absorbed from this location and transferred outside usually behind or underneath the unit where the condenser coil is located. It takes less energy to relocate heat than it does to create it. Air is blown over an evaporator coil transferring heat energy from the air to the refrigerant. A heat pump system has four major system components.

In heat pump system there are at least 8 wires that need to be connected to the thermostat for proper operation.