... 20mg.The residual moisture in the refrigerating system (notinclude compressor) should not exceed 60ppm, the residual impurity in ... as automobiles, trains, ships, and others.14,The compressor should not be splashed with water intentionally.15,Refrigerant should ... touched on the surface of the compressor.18,The compressor must be used according to the requirement of the specification. Rotary compressor