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Maintenance of Industrial Water Chillers in Practical Applications

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Maintenance of Industrial Water Chillers in Practical Applications


1. The settings of various protection devices of the industrial chiller have been set by the manufacturer, and users should not change them at will.

2. Regularly check whether the cooling water system of the chiller is normal, whether the cooling tower fan and sprinkler shaft are in good operation, and whether the water supply in the built-in water tank of the chiller is normal. Regularly check whether the chiller refrigerant leaks: refer to the parameters displayed on the high and low pressure meter on the front panel of the main unit to determine.

3. When the unit fails and alarms and stops, you should press the alarm stop button first, and then check the cause of the fault. Remember not to force the start-up operation before the fault is eliminated.

4. If it is not an emergency, do not shut down the unit by cutting off the power at will. If the unit is out of use for a long time in winter, turn off the unit first, then turn off the main power supply, and drain the water in the chiller.

5. When using the industrial chiller, keep the machine room clean and well ventilated, and clean the condenser regularly to ensure the normal operation of the unit.

6. For the air-cooled chiller, check whether the direction of the fan is correct after starting. If the direction is normal, it can be used normally. If it is reversed, the power supply wiring is reversed, and the phase sequence must be replaced before starting. It is also necessary to ensure a good heat dissipation effect, which is to keep the surface of the cooling coil of the chiller clean, ensure that the air around the machine is well circulated and the temperature is low, and clean the cooling coil regularly.

7. The water-cooled chiller must keep the cooling tower clean, keep the air circulation around the water tower and the temperature low, and avoid sundries entering the cooling tower to reduce the heat dissipation efficiency.​​

8. The system should be cleaned when the chiller is used for six months, once a year. The main cleaning parts include: cooling water tower, cooling water pipe and condenser part to ensure better cooling effect. If the chiller has been used for 6 months, the dehumidifier or the high/low pressure switch frequently fails, or the cooling capacity is reduced, it is necessary to ask professional maintenance personnel to repair it.

The above are some ways to maintain the industrial chiller. If we do the basic maintenance of the chiller in daily life, it can not only improve the working efficiency of the chiller, but also prolong the life of the chiller, reduce the operation danger, and make the chiller more efficient. can be more durable.

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