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Screw parallel unit

To save investment, reduce one-time equipment investment, energy saving, according to the need to provide cooling capacity, more than 30% energy saving, single unit safety operation, remote monitoring, safety operation.
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  • 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

Zhejiang Kailaili Refrigeration Equipment Co., Ltd.

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