Understanding A2L Refrigerants for Air Conditioners

- ACHR News – 5. Mitigating Risks 6. Research The overall risk Probability of Occurrence ☑ Severity of the Event Approaches to mitigate risks Avoid the release of refrigerant Restrict the maximum allowable quantity of refrigerant Research on how to safely use A2L refrigerants ● AHRI, ASHRAE and US DOE have collaborated to publish numerous reports Focal area has been refrigerant charge quantity limits. They are based on: . . The available space to which released refrigerant can disperse The elevation from which refrigerant could be released Presence of a fan in the equipment for recirculation air movement Presence of ventilation system to supply and exhaust air in the space 24

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