R-Pro › Field cases › Refrigeration systems
High Pressure Rise from Refrigerant Overcharge
Likely causes
Excessive refrigerant added during service
Check: Measure subcooling (normal 5–10K; significantly above = overcharge)
What to do: Measure subcooling (normal 5–10K; significantly above = overcharge) → Use recovery equipment to remove some refrigerant and adjust pressure → Determine correct charge by checking subcooling and superheat simultaneously → Record the final charge amount
Refrigerant recharged without weight measurement after parts replacement
Check: Use recovery equipment to remove some refrigerant and adjust pressure
What to do: Use recovery equipment to remove some refrigerant and adjust pressure → Determine correct charge by checking subcooling and superheat simultaneously → Record the final charge amount
Refrigerant overcharge is causing abnormally high pressure. Recover some refrigerant to correct the charge level. Venting refrigerant is prohibited by law. Always use recovery equipment.
All 565 cases work offline in R-Pro, with error codes for 62 brands and P-T data for 108 refrigerants.
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