09B - Refrigerant Classifications

Question 1

R-11

Answer 1

A1 CFC, uses AB/MO oil. Replaced by R-123. Used in large air conditioning systems and low-pressure centrifugal chillers

Question 2

R-12

Answer 2

A1 CFC, uses AB/MO oil. Used in domestic refrigeration and air conditioning, automotive air conditioning

Question 3

R-22

Answer 3

A1 HCFC, uses POE/AB/MO oil. Used in residential and commercial air conditioning, frozen-food storage, and supermarket display cases.

Question 4

R-123

Answer 4

B1 HCFC, uses AB/MO oil. Used in low-pressure centrifugal chiller.

Question 5

R-134a

Answer 5

A1 HFC, uses POE/PAG oil. Used in medium and high temperature refrigeration, chiller equipment, domestic appliances, and automotive air conditioning.

Question 6

R-401A

Answer 6

A1 HCFC zeotropic blend, uses POE/AB oil. Used in walk in coolers, beverage dispensers, vending machines, and supermarket systems.

Question 7

R-404A

Answer 7

A1 HFC zeotropic blend, uses POE oil. Used in low and medium temperature commercial refrigeration.

Question 8

R-407C

Answer 8

A1 HFC zeotropic blend, uses POE oil. Used in residential and commercial heat pumps and air conditioners, medium temperature applications.

Question 9

R-410A

Answer 9

A1 HFC zeotropic blend, uses POE oil. Used in residential and light commercial heat pumps and air conditioners.

Question 10

R-500

Answer 10

A1 CFC azeotropic blend, uses AB/MO oil. Used in residential and commercial air conditioning, domestic refrigeration, and commercial chillers.

Question 11

R-502

Answer 11

A1 CFC azeotropic blend, uses AB/MO oil. Used in residential and commercial air conditioning, domestic refrigeration, and commercial chillers.

Question 12

R-507A

Answer 12

A1 HFC azeotropic blend, uses POE oil. Used in commercial refrigeration systems, supermarket display cases, and ice machines.