Refrigerants and Oils

1234567891011121314
Across
  1. 1. If oil is not returning to the compressor what could be a possible cause?
  2. 5. when charging a system with near Azeotropiv refrigerant what the best way?
  3. 8. What material is required to pipe Ammonia?
  4. 9. When moisture enters a system where is the acid that develops contained?
  5. 10. What must be done when charging a Zeotropic Refrigerant blend?
  6. 12. What is the most effective way of removing moisture from a system with a hygroscopic oil?
  7. 13. When using a PT Chart for a compound refrigerant, what is can be found by knowing the saturated suction pressure?
  8. 14. Which substance in some refrigerants is primarily responsible for atmospheric ozone depletion?
Down
  1. 2. What color is a reusable cylinder that can be used for refrigerant recovery?
  2. 3. which refrigerants have OPD'S of Zero?
  3. 4. Example of a Glycol-based refrigerant?
  4. 6. when a refrigerant is classified as A2L. What does the "L" mean?
  5. 7. Dielectric strength represents the ability of an insulator to withstand which of the following?
  6. 11. What substance can be used to purge excess oil from refrigerant lines?