Recover refrigerants with system-dependent (passive) and self-contained (active) recovery methods.

Recovery should include

• comparing the two methods
• selecting the best method for the situation
• using the proper equipment for the passive and active recovery methods and refrigerant storage.

Process/Skill Questions:

• What are the main differences between passive and active recovery?
• What is the maximum amount of refrigerant recoverable when using system-dependent recovery?
• Under what conditions is system-dependent recovery used?