适用于ASHRAE 34:2019 A1、A2L或A3级制冷剂:HFC (R134A, R32, R404A, R407C, R410A, R507)HFO (R1234YF, R1234ZE)HFO + HFC (R448A, R449A, R450A, R452A, R452B, R454A,R454B, R454C, R455A, R513A, R515A, R515B)
HC (R290, R600, R600A, R1270)