Considerations servicing Hybrid & EV with R1234yf

WAECO delve into the key factors to consider when servicing vehicles with the R1234yf refrigerant

Considerations servicing Hybrid & EV with R1234yf

The introduction of R1234yf refrigerant has brought about significant changes in vehicle air conditioning service procedures.

Key differences compared to R134a include:

  • Chemical Composition and Properties: R1234yf has distinct chemical properties, necessitating the use of compatible service equipment.
  • Safety Regulations: Stricter safety regulations apply to R1234yf due to its environmental impact. Service units must incorporate safety features to prevent refrigerant release.
  • Equipment Compatibility: Service units designed for R134a are not suitable for R1234yf. Dedicated R1234yf service units are required, which may incur higher initial costs.
  • Service Unit Requirements: R1234yf service units must undergo regular self-tests to detect and prevent leaks. They should also incorporate features such as ventilated couplers to minimise refrigerant loss.
  • Refrigerant Purity: Regular refrigerant analysis is crucial to prevent cross-contamination and ensure system integrity.

While combination service units for both R134a and R1234yf are available, they can be more complex and expensive. Furthermore, they may limit service efficiency as only one refrigerant can be serviced at a time.

Servicing hybrid and electric vehicles with R1234yf requires specialised equipment and a thorough understanding of the specific requirements and safety regulations associated with this refrigerant.

For further information on WAECO’s A/C service solutions, please visit their website by clicking here.

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