Cornelius UC 701 service manual Guide to Good ICE

Page 24

GUIDE TO GOOD ICE

CUSTOMER

COMMENTS

“It runs but the ice is too soft.”

“The icemaker is not producing enough ice.”

“The ice is too wet.”

CHECK ICEMAKER LOCATION CONDITIONS FIRST

SProper air flow for condens- ing system.

SLocation too close to high units such as coffee urns, deep fryers, grills, etc.

SSupply water conditions

Water too warm (above 90_F).

Water artificially softened above 262 ppm sodium chlo- ride.

Normal water supply too high in total dissolved solids (above 500 PPM).

CHECK ICE MAKER

SUse gauges for checking suction and head pressures. See manual for correct reading and conditions. Check frost line and sight glass.

SCheck water level for proper adjustment and restrictions. See Manual.

SCheck evaporator assembly for worn parts, bearings, scored evaporator and auger, bad expansion valve. etc.

“It makes too much noise.”

(With this comment the ice is usually extremely hard and larger than normal.)

Over Compression

S

Check to see if noise

S

Check for loose parts

 

objection is normal fan and

 

and screws rattling.

 

air flow noise.

 

Check evaporator

 

 

S

S

Supply water conditions.

 

assembly for worn

 

 

 

parts, bearings, scored

 

Water too cold (below

 

evaporator and auger,

 

50_F). (Possibly running

 

bad expansion valve,

 

from pre-cooler.)

 

etc.

SObstructions partially blocking ice exit from top of evaporator.

SCheck fan and fan shroud.

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Contents UC 701 Series CONTINUOUS-FLOW Icemaker Table of Contents Table of Contents cont’d Safety Information Recognize Safety InformationUnderstand Signal Words Follow Safety InstructionsThis page Left Blank Intentionally General Description To the User of this ManualDescription 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 Guide to Service Icemaker Cleaning and Sanitizing ProceduresMaintenance MonthlyWater Level Control Semi-AnnuallyHow Water Level Control Works PurposeRefrigeration System Adjustments To Replace Water Level Safety SwitchRefrigeration System To Replace Water Level ControlAdjustment and Troubleshooting Expansion ValveCondenser Modulating Valve Condenser Modulating Valve Removal BIN ControlGearmotor Motor CheckTo Replace Gearmotor Assembly Start RelayUpper NUT and Bearing Assembly Auger and Extruding Head RemovalTo Replace Bearing 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