Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from absorbing moisture from the air. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because refrigerant oil must be kept in a sealed container to prevent it from absorbing moisture, which can harm the air conditioning system. Technician A is incorrect because HFC-134a can use different types of refrigerant oil, such as PAG or POE, depending on the system requirements.

Technician a Says That All HFC-134a Uses the Same Refrigerant