TROUBLE

PROBABLE CAUSE

REMEDY

CHILLER DOES NOT OPERATE, BUT COOLING LIGHT IS “ON”AND SAFETY LIGHT IS “ON”.

A.Unit is operating under high pressure conditions.

B.Unit is operating under low pressure conditions.

C.Unit is operating under low level conditions.

D.Unit is operating under low temperature conditions.

A.Check for dirty condenser fins or obstruction of chiller air intake. Press high pressure manual reset switch.

B.Check sight glass, if bubbles are seen, leak check unit and recharge with refrigerant.

or

If no bubbles are seen, replace defective TXV.

C.Add liquid to reservoir via fill port. or

If level is above switch, replace float switch.

D.Low or no process liquid flow. Ensure that there is adequate flow through system plumbing.

or

Process liquid is too cold, below 35_F. Increase thermostat setting.

or

Defective thermostat, replace.

When servicing a REMCOR Chiller, it is important to note all information provided on the DATA PLATE located in the upper rear of the unit. If technical assistance is needed, the REMCOR Service Technician will need this information along with any description of the problem(s) you are encountering. The serial number and other information will also be required when ordering replacement parts and any other Warranty Claims.

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Cornelius CH 1502-A, CH Series, CH 1503-A, CH 1500-A manual 92266