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// CODE SNIPPET

1104.5 Flammable Refrigerants

California Mechanical Code 2019 > 11 Refrigeration > 1104.0 Requirements for Refrigerant and Refrigeration System Use > 1104.5 Flammable Refrigerants
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The total of Group A2, B2, A3, and B3 refrigerants, other than Group A2L and B2L refrigerants shall not exceed 1100 pounds (498.9 kg) without approval by the Authority Having Jurisdiction. Institutional Occupancies shall comply with Section 1104.3.

Related Code Sections


1104.5 Refrigeration, Flammable Refrigerants
The total of Group A2, B2, A3, and B3 refrigerants, other than R-717 (ammonia), shall not exceed 1100 pounds (498.9 kg) without approval ...
California Mechanical Code 2016 > 11 Refrigeration > 1104.0 Requirements for Refrigerant and Refrigeration System Use > 1104.5 Flammable Refrigerants
1104.5 Refrigeration, Flammable Refrigerants
The total of Group A2, B2, A3, and B3 refrigerants, other than Group A2L and B2L refrigerants shall not exceed 1100 pounds (498.9 kg) without ...
California Mechanical Code 2019 > 11 Refrigeration > 1104.0 Requirements for Refrigerant and Refrigeration System Use > 1104.5 Flammable Refrigerants
605.12.2 Building Services and Systems, Flammable Refrigerants
Systems containing more than 6.6 pounds (3 kg) of flammable refrigerants having a density equal to or greater than the density of air shall discharge ...
California Fire Code 2019 > 6 Building Services and Systems > 605 Mechanical Refrigeration > 605.12 Discharge and Termination of Pressure Relief and Purge Systems > 605.12.2 Flammable Refrigerants
606.12.3 Building Services and Systems, Flammable Refrigerants
Systems containing more than 6.6 pounds (3 kg) of flammable refrigerants having a density equal to or greater than the density of air shall discharge ...
California Fire Code 2016 > 6 Building Services and Systems > 606 Mechanical Refrigeration > 606.12 Discharge and Termination of Pressure Relief and Purge Systems > 606.12.3 Flammable Refrigerants
1103.3 Refrigeration, Higher Flammability Refrigerants
Group A3 and B3 refrigerants shall not be used except where approved by the Authority Having Jurisdiction. Exceptions: Laboratories with more ...
California Mechanical Code 2016 > 11 Refrigeration > 1103.0 Classification > 1103.3 Higher Flammability Refrigerants
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