refrigerant recovery Flashcards
While setting up for a recovery procedure, you notice your extension cord is frayed. You should:
use a cord that’s in proper working condition.
Always ensure a system is ______ before you begin working on it.
de-energized
Passive recovery can be performed into a new refrigerant bottle true or false?
False
Recovery cylinders can be filled.
80%
The purpose of a pre-filter is?
To remove particulate contamination (pieces of dirt) and to remove moisture from the refrigerant
One Chlorine atom can destroy ____ Ozone molecules.
Thousands
When recovering a Type III system, 80% of the refrigerant must be removed true or false.
False
Major changes to recovery requirements were made in?
1993
Recovery is?
Removal of refrigerant from an HVAC system and storage of it in an external container, or recovery cylinder.
You can find the factory refrigerant charge?
Either looking at the unit’s registration tag or consulting the installation manual
Removing the valve cores from the service connections?
Allows us to remove refrigerant faster by removing a restriction
