Water-cooled screw chiller periodic inspection process

1. Check the operation status of the chiller through the display panel, and record and analyze the operation data including: inlet and outlet water temperatures of the evaporator and the condenser, inlet and outlet water pressure, suction and exhaust pressure, economizer pressure, compressor oil, etc., loop exhaust temperature , motor stator temperature and evaporator liquid level, compressor three-phase voltage and current, supply voltage

2, check the color of the liquid mirror, determine the dryness of the refrigeration circuit

3, check the electronic expansion valve work

4, check the electronic control system's action program and clean control start cabinet

5, through the display panel to control the unit components

6. Check the unit for abnormal noise and vibration

7, check the tightness of the unit

8, to provide a regular inspection report