When charging a system with vapor refrigerant from a refrigerant cylinder the cylinder will become cold .
- When refrigerant is added in the vapor state, the refrigerant cylinder will lose pressure as the vapor is pushed out of the cylinder.
- The volume of the refrigerant changes with the ambient air so the graduated cylinder must be calibrated before each use.
What is a refrigerant charging cylinder used for?
- A cylinder used to transfer refrigerant from the transportation cylinder into the system during the charging process.
- It has several scales on the exterior that indicate various refrigerant charges.
What type of refrigerant can be added as a liquid or a vapor?
Blends like R410a or 404a must be added to a system as a liquid. Pure refrigerants like R22 can be added in liquid or vapor states.
Learn more about vapor
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