FIRE DEPARTMENT ● CITY OF NEW YORK
A2L Refrigerant and Compliance Requirement
for Certificate of Qualification for Refrigerating
System Operating Engineer (RSOE)
Note:
FDNY is posting this study material for the public to prepare for the Z-51 exam. Please read this before
taking your Z-51 test. The Z-51 exam will include questions based on this study material starting from
1/1/2025.
, A2L Refrigerant and Compliance Requirement
for Certificate of Qualification For Refrigerating System Operating
Engineer(RSOE)
November 13, 2024
FDNY Bureau of Fire Prevention
Robert S. Tucker Thomas Currao
Commissioner Chief of Fire Prevention
, Table of Content
A2L Refrigeration Information for Q-01/Q-99 Certificate of Qualification for RSOE
• Table of Content slide 3
• Glossary slide 4
• Introduction slide 5
• The New Refrigerant slide 6
• Legislation slide 7-25
• Safety & Flammability slide 26-34
• Transportation slide 35-36
• Storage slide 37-40
• Job site Safety slide 41-60
• Curriculum & Test change slide 61
• Summary slide 62
• Reference Material slide 63
• Acknowledgement slide 64
, Glossary/Terms
• AHRI- Air Conditioning, Heating, & Refrigeration Institute
• AIM Act-American Innovation and Manufacturing Act
• ASHRAE - American Society of Heating, Refrigerating, and Air-Conditioning Engineers.
• CARB-California Air Resource Board
• CFC-Chlorofluorocarbons
• DOT-Department of Transportation
• EPA-Environmental Protection Agency
• FDNY- New York City Fire Department
• GWP-Global Warming Potential
• HC-Hydrocarbon
• HFC-Hydrofluorocarbons
• HFO-Hydrofluoroolefin
• HOC- Heat of Combustion
• HVACR-heating, ventilation, air conditioning, and refrigeration
• LFL-Lower Flammable Limit
• OSHA-Occupational Safety and Health Administration
• PPE- Personal Protective Equipment
• PT-Pressure Temperature
• PTACS-Packaged terminal air conditioner system
• S-Maximum Laminar Burning Velocity
• SNAP-Significant New Alternative Policy
• TT-Technology Transition
• UL-Underwriter's Laboratories Solutions
A2L Refrigerant and Compliance Requirement
for Certificate of Qualification for Refrigerating
System Operating Engineer (RSOE)
Note:
FDNY is posting this study material for the public to prepare for the Z-51 exam. Please read this before
taking your Z-51 test. The Z-51 exam will include questions based on this study material starting from
1/1/2025.
, A2L Refrigerant and Compliance Requirement
for Certificate of Qualification For Refrigerating System Operating
Engineer(RSOE)
November 13, 2024
FDNY Bureau of Fire Prevention
Robert S. Tucker Thomas Currao
Commissioner Chief of Fire Prevention
, Table of Content
A2L Refrigeration Information for Q-01/Q-99 Certificate of Qualification for RSOE
• Table of Content slide 3
• Glossary slide 4
• Introduction slide 5
• The New Refrigerant slide 6
• Legislation slide 7-25
• Safety & Flammability slide 26-34
• Transportation slide 35-36
• Storage slide 37-40
• Job site Safety slide 41-60
• Curriculum & Test change slide 61
• Summary slide 62
• Reference Material slide 63
• Acknowledgement slide 64
, Glossary/Terms
• AHRI- Air Conditioning, Heating, & Refrigeration Institute
• AIM Act-American Innovation and Manufacturing Act
• ASHRAE - American Society of Heating, Refrigerating, and Air-Conditioning Engineers.
• CARB-California Air Resource Board
• CFC-Chlorofluorocarbons
• DOT-Department of Transportation
• EPA-Environmental Protection Agency
• FDNY- New York City Fire Department
• GWP-Global Warming Potential
• HC-Hydrocarbon
• HFC-Hydrofluorocarbons
• HFO-Hydrofluoroolefin
• HOC- Heat of Combustion
• HVACR-heating, ventilation, air conditioning, and refrigeration
• LFL-Lower Flammable Limit
• OSHA-Occupational Safety and Health Administration
• PPE- Personal Protective Equipment
• PT-Pressure Temperature
• PTACS-Packaged terminal air conditioner system
• S-Maximum Laminar Burning Velocity
• SNAP-Significant New Alternative Policy
• TT-Technology Transition
• UL-Underwriter's Laboratories Solutions
