Conair ESEW-020D User Manual page 91

PLC input card
Evaporator Y-strainer clogged or dirty
Process load too high
Insufficient cooling
Coolant flow outside of normal operating range
(temperature
Insufficient condenser cooling
continues to rise
Refrigeration circuit problem
above set point)
Temperature sensor
PLC input card
Low coolant flow through evaporators
Overloading of chiller capacity
Erratic temperature
control
Temperature sensor
PLC input card
Replace if faulty
Clean Y-strainer
Check to make sure chiller is properly sized for
process load
Adjust flow to proper level
See high refrigerant pressure
Contact refrigeration service technician
Replace if faulty
Replace if faulty
Adjust flow to proper level
Check to make sure chiller is properly sized for
process load
Replace if faulty
Replace if faulty