Technician A says the refrigerant oil container should not be opened until it is time to use it and should be capped immediately after use. Technician B says after the system has been opened, compressed air should be used to flush dirt, moisture, and old refrigerant oil out of the system. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because refrigerant oil absorbs moisture from the air, which can contaminate the air conditioning system and reduce its efficiency. Technician B is incorrect because using compressed air to flush the system can introduce moisture and contaminants, and it is not a recommended practice for removing dirt, moisture, or old refrigerant oil from an air conditioning system.

Technician a Says the Refrigerant Oil Container Should Not Be