Cornelius CH1500 Operator's & Installation Manual page 17

High pressure alarm light "ON".
(Low pressure alarm light cycles
ON/OFF).
High pressure alarm light is
"ON".
Low temperature alarm.
© 2010-2014, Cornelius Inc.
CH1500, CH2000 & CH3000 Chiller Operator's & Installation Manual
A. Restricted condenser airflow.

B. Defective condenser fan and/or
motor.
C. Defective expansion valve.
D. Low or no condenser water flow.
A. Restricted condenser airflow.

B. Defective condenser fan and/or
motor.
C. Defective expansion valve.
D. Low or no condenser water flow.
A. Low or no process liquid flow.
B. Defective thermostat.
C. Process water too cold, below 35
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A. Clean the fins of the condenser and
ensure that the air flow is not
restricted.
B. Check to ensure that the fan blade is
not blocked. Replace the fan motor, if
necessary.
C. Replace the expansion valve.
D. Ensure that there is adequate flow
through piping to condenser.
A. Clean the fins of the condenser and
ensure that the air flow is not
restricted.
B. Check to ensure that the fan blade is
not blocked. Replace the fan motor, if
necessary.
C. Replace the expansion valve.
D. Ensure that there is adequate flow
through piping to condenser.
A. Ensure that there is adequate flow
through the process piping.
B. Replace the thermostat.
°
C. Increase the thermostat setting.
F
Publication Number: 621055837OPR