Method for Removal of Refrigerant from Mobile Air Conditioning System to Quantify Charge Amount

Standard:
Issued:
  • 2011-02-04
 
Publisher:
  • SAE International
Pages:
9
Scope:

This Standard provides an overview of results and requirements needed to remove refrigerant from a mobile air conditioning system for determining refrigerant emissions (leakage). This reclaim procedure for use on fleet vehicles in a field service environment should produce an accuracy and repeatability sufficient to determine refrigerant loss within 2 g.

Rationale:

The removal of refrigerant from a mobile air conditioning system to determine the direct refrigerant emissions is a difficult procedure to do accurately. As part of the SAE I-MAC Cooperative Research Program a detail study was conducted on accurate removal of refrigerant from a mobile air conditioning system. Additional studies on the removal of HFC-134a from mobile air conditioning systems have been completed by others in the automobile industry. Use of commercially available equipment, including equipment meeting SAE J Standards, will not allow complete removal of refrigerant from a mobile air conditioning system in order to determine the direct refrigerant emissions. It is difficult and unreliable to remove refrigerant from mobile A/C systems and use this to quantify system emissions.

History:
Standard Published Revision Status
J2762_201703 2017-03-10 Latest Reaffirmed
2011-02-04 Historical Issued
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