Cornelius UC 701 Guide to Service, Icemaker Cleaning and Sanitizing Procedures, Maintenance

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GUIDE TO SERVICE

WARNING: Disconnect electrical power to the Icemaker to prevent personal injury before attempting any internal maintenance. Only qualified personnel should service internal components or electrical wiring.

ICEMAKER CLEANING AND SANITIZING PROCEDURES

Do not use any of the ice made during cleaning operations.

Clean and sanitize ice storage area when cleaning icemaker.

1.Turn machine off.

2.Shut off water supply.

3.Remove ice from storage bin.

4.Mix approved cleaner (2 gallons as directed). Recommended cleaner: Calgon Corp. of Virginia Chemi-

cals, ice machine cleaner. Mixture: 3-1/3 ounces per gallon of water.

5.Clean auger assembly and ice transition tube in a sink using cleaner mixture and reinstall in icemaker.

6.Turn machine on and add cleaner solution to water level control until 2 gallons have been used.

7.Turn on water supply and run machine for 15 minutes.

8.Turn off machine and remove all ice.

9.Sanitize using household liquid bleach (50 ppm chlorine). Mixture: 1 fluid ounce per gallon room tempera- ture water. 2 minute exposure time.

10.Sanitize auger assembly and ice transition tube in a sink using sanitizing solution and reinstall in icemaker.

11.Fill icemaker with sanitizer by slowly pouring solution into water feed reservoir until full. Solution will drain through overflow tube. Do not run machine. Allow to air dry.

12.If icemaker is used in conjunction with ice dispenser or storage bin, follow manufacturer’s recommended cleaning instructions at this time.

MAINTENANCE

Preventive maintenance can increase the trouble free life of your icemaker. Many authorized service agencies offer service contracts for your icemaker. Contact your local distributor for further information.

Monthly

1.Clean the condenser. Use a brush, vacuum cleaner or blow from inside with air or CO2 gas.

2.Inspect water feed reservoir at lease once a month until a definite pattern for cleaning and sanitizing has been established.

Quarterly

This is the maximum period of time between cleaning and sanitizing the icemaker. In addition to recommended monthly procedure, and if a more frequent cleaning and sanitizing pattern has not been established, unit must be cleaned and sanitized.

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Contents UC 701 Series CONTINUOUS-FLOW Icemaker Table of Contents Table of Contents cont’d Understand Signal Words Safety InformationRecognize Safety Information Follow Safety InstructionsThis page Left Blank Intentionally Description General DescriptionTo the User of this Manual Claims InstructionsSpecification Chart Clearance Requirements This page Left Blank Intentionally Installation PRE-INSTALLATIONInstallation Side Bracket InstallationInitial Start UP, Checks and Adjustment Instructions Icemaker Float AssemblyThis page Left Blank Intentionally Maintenance Guide to ServiceIcemaker Cleaning and Sanitizing Procedures MonthlyHow Water Level Control Works Water Level ControlSemi-Annually PurposeRefrigeration System Refrigeration System AdjustmentsTo Replace Water Level Safety Switch To Replace Water Level ControlCondenser Modulating Valve Adjustment and TroubleshootingExpansion Valve Condenser Modulating Valve Removal BIN ControlGearmotor Motor CheckTo Replace Gearmotor Assembly Start RelayTo Replace Bearing Upper NUT and Bearing AssemblyAuger and Extruding Head Removal Electrical Checkout Capacitor CheckSafety Controls Gear Motor OverloadGuide to Good ICE Wiring Diagram Troubleshooting Chart Icemaker not Operating Troubleshooting Troubleshooting CompressorsCertificate of Warranty IMI CorneliusThis page Left Blank Intentionally IMI Cornelius INC