Which of the Following Is Recommended While Converting an R-12

question 47

Multiple Choice

Which of the following is recommended while converting an R-12 system to R-134a?

• A) Permanently install conversion fittings using new hose clamps around fittings
• B) Install conversion labels and remove the R-12 label
• C) Recharge the system with R-134a to approximately 80 percent of the original R-12 charge
• D) Remove all oil in the system and replace with the R134a type and the same amount