Refrigeration cycle

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Across
  1. 3. absence of heat.
  2. 4. changes phases during cooling.
  3. 7. refrigerant changes from liquid to gas.
  4. 8. british thermal unit.
  5. 9. Considered the "heart" of a refrigeration system.
Down
  1. 1. In liquid form under high pressure, the refrigerant cools as it flows through:
  2. 2. A heat exchanger designed to remove heat from the superheated refrigerant vapor.
  3. 3. CFC.
  4. 5. controls the temperature of the fridge by switching on-and-off the compressor.
  5. 6. mechanical refrigeration using compressors,condenders and evaporators.