... , low-temperature, high-temperature and Big-load conditions4) The super heat protection of motor and Overload protection can ensure its safety5 ... ,R502,R509Cat V: R402A,R404A,R407A,R407B,R410A,R507 Refrigerant Recovery Rate Cat III Cat IV Cat V Vapor 0.2kg ... ×287mm×514mm(L×W×H)Net Weight 16Kg Portable refrigerant recovery machine