Tr o u b l e s h o o t i n g ( c o n t i n u e d )
Problem
Compressor will not start.
✐NOTE: Also, see Troubleshooting section,
entitled, Troubleshooting, “Chiller shuts down due to a High Pressure switch alarm” and “Chiller shuts down due to a Low Pressure switch”.
Possible cause
High pressure switch has been tripped.
Circuit breaker has been tripped.
Loose wire connection or defective start capacitor.
The actual “To Process” temperature is below the setpoint.
Damaged or defective start capacitor.
Poor water flow.
Damaged or defective compressor.
Solution
Reset the High Pressure switch. See Operation section entitled, Resetting the High Pressure Switch.
Verify resistance to ground. Reset breaker. See Troubleshooting section entitled, Checking or Resetting the Circuit Breakers.
Check wiring diagrams, see Appendix H entitled, Electrical Schematic, replace connections or capacitor.
Lower setpoint temperature value. See Operation section entitled, Starting the Chiller.
Contact Conair Service.
Check pump rotation.
Clean the pump strainer. See Maintenance section entitled, Cleaning the Pump Strainer.
Have a certified refrigeration technician replace the compressor.
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