The basic configuration

• Unit framework
• The compressor suction and exhaust valve
• Oil system (oil heater, external oil separator, oil flow switch, oil solenoid valve, oil liquid mirror, oil filters, oil liquid mirror)
• Electric control system (PLC control programming need user proposed)
• Protection device (compressor of high and low voltage controller, system of high and low pressure controller, pressure difference controller, overload, phase lack, reverse phase, the oil temperature, overheating)
• High voltage meter, low pressure gauge
• Accumulator (with cut-off valve, liquid, liquid mirror filters)
• Safety device (relief valve accumulator)
• Low pressure sensor

Optional configuration

• The high side pressure sensor
• Liquid level switch
• The gas-liquid separator
• The exhaust side attachment (oil export valve, outlet check valve)
• The suction side of accessories (suction branch valve, stop insulation cotton)
• The liquid supply side attachment (liquid supply branch pipe valve, the liquid supply duct)
• ECO economizer, oil cooler (low temperature condition required)
• Pump system for compressor oil