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Starting with liquid refrigerant:

  1. The pump pushes the refrigerant, under pressure, through an orifice
  2. The refrigerant sprays through the orifice into the low pressure side of the system
  3. The refrigerant flashes to vapor and absorbs heat from the coils of the evaporator
  4. The heat-laden refrigerant vapor moves into the condenser where the heat is dumped to the atmosphere and the refrigerant condenses to a liquid
  5. The liquid enters the pump and begins the cycle again.
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14y ago

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