... man-machine interface, Chinese and English versions of * Liquid Filling R134a, R404A, R406A, R407C, R410A, R22 refrigerant, etc. * Germany VIS flow ... production efficiencyPower Supply: 380V/220V 50Hz Power: 1KW Filling refrigerant: R134a, R404, R406A, R407C, R410A, R22 Working pressure: 1.2-2MPa ...