Cornelius 700 - Series HOW Water Level Control Works, Purpose, To Replace Water Level Control

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Continuous Flow Icemaker Service Manual

WATER LEVEL CONTROL

HOW WATER LEVEL CONTROL WORKS

When water is introduced through the inlet fitting the float rises. the float pushes against a lever which in turn forces the poppet assembly against the inlet fitting valve seat which seals the water off. Before the water inlet is sealed the safety switch is operated. In the event of a water failure the float would drop down and operate the safety switch to shut off the machine.

If water level control will not shut off and seal at level as indicated, be sure inlet pressure does not exceed recommended factory operating range.

Under ordinary circumstances adjustment should not be necessary providing it was properly adjusted when unit was installed or relocated. If, however, the control becomes inoperative, repair or replace. See Start–Up Adjustment in the Installation Manual.

PURPOSE

1.To automatically maintain proper water level in the evaporator when unit is running and making ice.

2.A safety switch is operated in the event of an interruption in water supply. The switch shuts off the electrical power to the icemaker and its refrigeration system. Switch will reset as soon as cause of water failure has been corrected and proper water level in icemaker has again been reached.

3.The transparent bowl not only provides a visible check of water level, but also is a good guide to the internal conditions which exist within the icemaker assembly itself. (See Cleaning Procedure.)

TO REPLACE WATER LEVEL CONTROL

1.Shut off the water supply. Shut off the main power switch or unplug the ice dispenser from electrical outlet.

2.Remove the flexible tubing from bottom of water level control and drain water from water level control and evaporator.

3.Remove flexible tubing at bottom of water level bowl connected to the overflow.

4.Hold water inlet fitting with proper tool to prevent it from rotating when disconnecting the water inlet.

5.Remove wing nut holding water control to its mounting bracket. Control can be removed by lifting straight up.

TO REPLACE WATER LEVEL SAFETY SWITCH

1.Shut off main power switch or unplug the ice dispenser from electrical outlet.

2.Unplug molex connector connecting switch to electrical box.

3.Remove the 2 screws anchoring the water level safety switch to the bottom of the water level control mounting bracket.

Publication Number: 630460174SER

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© 2004-2005, IMI Cornelius Inc.

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Contents Continuous Flow Icemaker Continuous Flow Icemaker General Description Publication Number 630460174SER 2004-2005, IMI Cornelius Inc Safety Safety InstructionsSafety Tips Qualified Service Personnel Shipping and StorageSpecification Chart General DescriptionSeries 500 & 700 Dimension Drawing Shipping WT LBS. Approx Series WCC2001-A and WCF2201-A Dimension Drawings BIN Control GearmotorCleaning and Sanitizing Icemaker Cleaning and Sanitizing ProceduresMaintenance MonthlyUpper NUT and Bearing Assembly SEMI-ANNUALLYTo Replace Water Level Safety Switch Water Level ControlHOW Water Level Control Works PurposeSchematic and Wiring Diagram WCC2001-A and WCF2201-A ElectricalWCF711-W, WCF1101-A, & WCF1101-W Schematic and Wiring Diagram WCC2001-R and WCF2201-R Refrigeration System Adjustments Adjustment and TroubleshootingRefrigeration System Expansion ValveCondenser Modulating Valve Expansion ValveCondenser Modulating Valve Removal Gearmotor Overload TrippedTo Replace Gearmotor Assembly Motor CheckStart Relay Installation and Shaft Seal Replacement Auger and Extruding Head RemovalInstallation and Shaft Seal Replacement 700 Upper NUT and Bearing AssemblyElectrical Checkout Overload Check Compressor CheckCapacitor Check Safety Controls Customer Comments Troubleshooting Troubleshooting Chart Icemaker not OperatingIMI Cornelius Inc