Conair Portable Chillers Series 1Water-Cooled (W1) and Air-Cooled Models (A1) withTIC Control

MECHANICAL

CONDITIONS

CONT’D

Alarm Possible cause Solution

Pump Overload Overload set incorrectly. (pump and compres-

sor are off)

Low supply voltage.

Check table on wiring diagram for correct amperage. Adjust overload accordingly.

❏Check supply voltage. Supply voltage to contactor should be +- 10% of name- plate voltage.

❏Check wire terminations and connections. Tighten if loose.

Faulty contactor	Check line and load side of
	contactor. It should be less
	than 5 volt drop across the
	contactor. If it is not, replace
	the contactor. See Replacing
	the Contactor in the
	Troubleshooting section.

Faulty overload module.	Check amp draw of circuit. If
	it is under the rated setting,
	replace the overload module.
	See Replacing Overload
	Modules, in the
	Troubleshooting section.

UGH016/0500 Series 1 Portable Chillers, TIC Control TROUBLESHOOTING 6-9