MindMap Gallery Refrigeration unit operation process
The operation process of the refrigeration unit, this flow chart provides comprehensive and detailed guidance for the operation and maintenance of the cold and cold unit, aiming to ensure the safe and efficient operation of the unit.
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Refrigeration unit, operation process
Check before starting
Check the power supply
Confirm the voltage is stable
Check circuit connection
Check the cooling system
Confirm that the cooling tower is working properly
Check cooling water flow
Check the compressor
Confirm the oil level is normal
Check the compressor operation status
Check the evaporator
Confirm that the evaporator is free of ice blockage
Check the level gauge indication
Check the control system
Confirm that the sensor is working properly
Check Control Panel Settings
Start the compressor
Turn on the compressor power supply
Launch Control Panel
Turn on the compressor motor
Observe the running parameters
Monitor compressor pressure
Monitor compressor temperature
Adjust the cooling system
Adjust the cooling water flow
Regulate the valve according to temperature
Check the cooling tower fan
Ensure the fan is running normally
Adjust the evaporator
Adjust the expansion valve
Adjust the opening according to the load
Check the liquid level
Ensure the evaporator level is normal
Monitoring system operation
Monitor temperature and pressure
Record the temperature and pressure at each point of the system
Observe system sound and vibration
Check for abnormal noise or vibration
Emergency treatment
Encountering a fault
Shut down and check immediately
Process according to fault type
Leak detection
Check for refrigerant leaks
Repair leak points in time
Shutdown operation
Gradually reduce load
Slowly close the expansion valve
Turn off the compressor
Turn off the power and motors in sequence
Check system status
Turn off the cooling system after confirming that there is no abnormality in the system
Maintenance
Regular inspection
Equipment inspection as planned
Replace consumable parts
Regularly replace filters, oils, etc.
Cleaning and maintenance
Clean the evaporator and condenser
Keep the system clean and free of debris