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Refrigerant Identification Testing - Vehicles With: R1234YF Refrigerant

Special Tool(s) / General Equipment 

Refrigerant Identification Equipment

Activation 

  1. NOTE: Use Refrigerant Identification Equipment to identify gas samples taken directly from the refrigeration system or storage containers prior to recovering or charging the refrigerant system.
    NOTE: Use Refrigerant Identification Equipment that conforms to SAE J2912 standard for R-1234yf.

    Follow the instructions included with Refrigerant Identification Equipment to obtain the sample for testing.

    • 198-RI2012yfp A/C Refrigerant Analyzer for Use with R134a and R1234yf vehicles Use the General Equipment: Refrigerant Identification Equipment

  2. NOTE: The refrigerant identifier displays one of the following:

    • If the purity level of R-1234yf is 98% or greater by weight, the green PASS LED. The weight concentrations of R-1234yf, R-134a, R-12, R-22, hydrocarbons and air will be displayed on the digital display.

    • If refrigerant R-1234yf does not meet the 98% purity level, the red FAIL LED and an alarm sounds alerting the Use r of potential hazards. The weight concentrations of R-1234yf, R-134a, R-12, R-22 and hydrocarbons will be displayed on the digital display.

    • If hydrocarbon concentrations are 2% or greater by weight, the red FAIL LED, "Hydrocarbon High" will be displayed on the digital display, and an alarm will sound alerting the Use r of potential hazards. The weight concentrations of R-1234yf, R-134a, R-12, R-22 and hydrocarbons will also be displayed on the digital display.

  3. The percentage of air contained in the sample will be displayed if the R-1234yf content is 98% or greater. The refrigerant identifier eliminates the effect of air when determining the refrigerant sample content because air is not considered a contaminant, although air can affect A/C system performance. When the refrigerant identifier has determined that a refrigerant source is pure (R-1234yf is 98% or greater by weight) and air concentration levels are 2% or greater by weight, it will prompt the Use r if an air purge is desired.
  4. If contaminated refrigerant is detected, repeat the refrigerant identification test to verify the refrigerant is indeed contaminated.
  5. NOTE: If contaminated refrigerant is detected, DO NOT recover the refrigerant into R-1234yf recovery/recycling equipment. Recovery of contaminated refrigerant contaminates the recovered refrigerant supply and may damage the recovery/recycling equipment.
    NOTE: Install a new suction accumulator or receiver drier or receiver drier element as directed by the A/C system flushing procedure.

    Recover the contaminated refrigerant using suitable recovery-only equipment designed for capturing and storing contaminated refrigerant only.

  6. Determine and correct the cause of the customer's initial concern.
  7. Refer to Air Conditioning (A/C) System Flushing - Vehicles With: R1234YF Refrigerant .
  8. Dispose of the contaminated refrigerant in accordance with all federal, state and local regulations.
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