SW3 middle and high temperature series semi-hermetic screw compression (condensing) units range from 40 to 1000HP, available in water-cooled condensing units and compressor units. SW3 middle and high temperature series units have a wide range of operation, and the design and arrange ment of all components take into account the reliability of on-site operation and protection. The unit is equipped with components such as RefComp SW3H series compressors oil separator, condenser, gas-liquid separator, reservoir, start-up and control center.