Heat pump principles

Air Conditioning and Heat Pumps · Heat Pumps in Theory · printed page 226 (PDF page 227)

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Heat Pump – H Principles

Text in the illustration

through the refrigerant lines to refrigerant lines refrigerant lines
summer
heat from inside is captured by the indoor coil and channeled outside where the heat is released to the outside air through the outdoor coil
indoor coil
outdoor coil
outside air flow
inside air flow
refrigerant lines
blower
=heat
winter
heat from the outside air is captured by the outside coil and channeled through the refrigerant lines to the indoor coil where warm air is released into the ductwork

Generated explanation

The illustration shows a house with indoor and outdoor heat pump coils connected by refrigerant lines, with enlarged diagrams of summer and winter operation. In summer, heat is captured at the indoor coil and transferred through the refrigerant circuit to the outdoor coil, where it is released to outside air. In winter, heat is captured from outside air at the outdoor coil and transferred to the indoor coil to warm air delivered into the ductwork. Each enlarged view shows an indoor blower, airflow across both coils, and red dashed arrows indicating heat transfer.

Components

heat pump indoor coil outdoor coil refrigerant lines indoor blower outdoor fan ductwork