Cornelius 500-Series Technické informace stáhnout pdf (Strana 16)

Cornelius Ice Makers Training Manual

WCC/WCF CONTROLS AND ELECTRICAL

The WCC/WCF control circuit is a series circuit consisting of the following components:

1. Bin Control — Electrical power is routed through the primary and the secondary bin controls. The

primary bin control is thermostatic, while the secondary is a mechanical switch located in the dis-

pense tray lid.

The purpose of the secondary switch is to act as a backup in the event of a primary switch failure. If

the ice backs up into the drop chute, the control is tripped by the ice accumulation and shuts down

the ice maker.

2. Low Water Safety Switch — Opens the control circuit in the event of an interruption of the water

supply. Once water level is restored in the reservoir, operation will automatically resume.

3. High-Pressure Cutout — Water-cooled units have a high-pressure cut-out in the event of failure of

the condenser to cool the refrigerant.

4. Anti-Freeze Relay — This relay protects the contactor from voltage fluctuations that cause chatter

or contact point failure.

5. Manual Reset Overload — A manual reset overload under the gearmotor stator shuts down the

entire ice maker should the maximum load of the gearmotor be exceeded.

6. Contactor Coil — The contactor, once closed runs the refrigeration system and the gearmotor. The

ice maker, will continue to make ice without interruption until stopped by the opening of the bin con-

trol, or one of the above safety controls.

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Cornelius 500-Series Technické informace Strana 16