... for high pressure, low pressure, oil level, oil temperature, oil flow, against overloading, overheat etc.3) Automatic and remote controlWithPLC control ... medicine store, brewing machine, scientific research etc. 3.Components in Rack Screw compressors, refrigerant receiver, gauge panel, HP/LP controller, Control ... oil-sprayer cooler. Fruit and Vegetable Store Refrigeration Parallel Compressor Rack