An air-source heat pump features three cycles. These cycles include a heating cycle, cooling cycle, and a cycle featuring defrost. During the heating cycle for the pump, the heat is captured from the ambient air and pumped inside a home. How the Liquid Refrigerant Is Used When this occurs, liquid refrigerant passes through a device that changes it to a liquid and vapour mix. This mix is then transferred to an evaporator coil outside. The refrigerant absorbs the outside heat, transforming it into a cool vapour. Next, the vapour travels through a reversing valve and into an accumulator. Any liquid
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