Manuals / Manitowoc Ice / Kitchen Appliance / Ice Maker

Manitowoc Ice S1800 Water Curtain Removal Ice Thickness Probe, Ice Thickness Probe Removal

Models: S1800

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Maintenance	Section 4

1.Water Curtain

A.Gently flex the curtain in the center and remove it from the right side.

B.Slide the left pin out.

STEP 2

STEP 1

SV3153

Water Curtain Removal

2.Ice Thickness Probe

A.Compress the hinge pin on the top of the ice thickness probe.

COMPRESS

HINGE PIN TO

REMOVE

SV3135

Ice Thickness Probe Removal

B.Pivot the ice thickness probe to disengage one pin then the other. The ice thickness probe can be cleaned at this point without complete removal. Follow Step C for complete removal.

!Warning

Disconnect the electric power to the ice machine at the electric service switch box.

C.Disconnect the ice thickness control wiring from the control board.

4-6	Part Number 80-1634-3

Image 30

Manitowoc Ice S1800 service manual Water Curtain Removal Ice Thickness Probe, Ice Thickness Probe Removal

Contents

Service Manual Read These Before Proceeding Personal Injury Potential Table of Contents Table of Contents Section Ice Machine Operation Section MaintenanceSection Before Calling For Service Table of Contents Section Electrical System Section Refrigeration System Table of Contents Ice Cube Sizes How to Read a Model NumberModel Numbers Self-Contained Water-Cooled General Information Section Accessories Section General Information Model/Serial Number Location Model/Serial Number Location Warranty Coverage Electrical and AuCS Dimensions Ice Machine DimensionsWidth, Depth, and Height Dimensions General S1800M Water-Cooled Installation Instructions Section Location of Ice MachineIce Machine Heat of Rejection Series Heat of Rejection Ice Machine Air Conditioning Minimum Circuit Ampacity Section Installation Instructions Electrical ServiceVoltage Electrical Requirements Self Contained ICE Machine 208-230/3/60 For United Kingdom OnlySelf Contained ICE Machine 115/1/60 or 208-230/1/60 Self Contained ICE Machine 230/1/50 Water Inlet Lines Cooling Tower ApplicationsWater Supply Drain Connections Water Supply and Drain Line SIZING/CONNECTIONS Installation Instructions SectionTypical Water Supply Drain Installation Condenser Section Installation Instructions Installation Check List AuCS Automatic Cleaning System Potential Personal Injury Situation Section Ice Machine Operation Component Identification Ice Machine Operation Section Sequence Of Operation Initial START-UP or START-UP After Automatic SHUT-OFF Harvest Safety TimersHarvest Sequence 5. Water Purge Automatic SHUT-OFF 7. Automatic Shut-Off ICE Thickness Check Ice Machine Operation Section Operational ChecksWater Level Ice Thickness Check Water Purge Adjustment Harvest Sequence Water Purge Ice Machine Operation Section This page Intentionally Left Blank Water-Cooled Condenser Water Regulating Valve Exterior CleaningIce Machine Inspection AlphaSan→ Sachet Replacement Frequency Maintenance Section GuardianInstallation Sachet Replacement Procedure Model Amount of Cleaner Section Maintenance Interior Cleaning and SanitizingCleaning Procedure Step Maintenance Section Sanitizing ProcedureSolution Type Water Mixed With Sanitizer Removal of Parts for CLEANING/SANITIZING Solution Type Water Mixed With Water Curtain Water Curtain Removal Ice Thickness ProbeIce Thickness Probe Removal Water Distribution Tube Water TroughWater Distribution Tube Removal Water Level Probe Water PumpWater Pump Removal Dump Valve Disassembly Water Dump Valve Evaporator Tray Removal Drain Line Check Valve Water Inlet Valve Maintenance Section Removal from Service/Winterization Pry Open the Water Regulating Valve AUCS→ AccessorySELF-CONTAINED WATER-COOLED ICE Machines Checklist Problem Possible Cause To Correct Before Calling For Service Section Safety Limit Feature Energized Parts Charts Section Electrical SystemSELF-CONTAINED WATER-COOLED Models Water Purge SELF-CONTAINED ModelsInitial Start-Up or Start-Up After Automatic Shut-Off Self-Contained Water Purge Refrigeration System Start Up 5 Seconds Toggle Switch Refrigeration System START-UPSelf-Contained Refrigeration System Start-Up PRE-CHILL Electrical System SectionFreeze Sequence Self-Contained Pre-Chill Self-Contained Models Toggle Switch Bin Switch Control Board Relays FreezeSelf-Contained Freeze Self-Contained Models Harvest Sequence Harvest Automatic Shut-Off Automatic SHUT-OFFSelf-Contained Automatic Shut-Off Section Electrical System Wiring Diagrams Wiring Diagram Legend S1800 SELF-CONTAINED 1 Phase Control Board S1800 SELF-CONTAINED 3 Phase BIN Switch SpecificationsCheck Procedure Main Fuse Continuity Test SymptomsDiagnostic Aids Water Curtain Removal Notes Check Motor Windings to Ground Compressor Electrical DiagnosticsCheck Resistance Ohm Values Determine if the Compressor is Seized Ptcr Diagnostics What is a PTCR?Compressor Start Sequence Model Automatic Shut-Off and Restart Troubleshooting PTCR’sWHY a Good Ptcr MAY Fail To Start the Compressor During Start-Up First .25 1.0 Seconds Model Manitowoc Cera-Mite Room Checking the PtcrManitowoc Ptcr Part Number Relay Diagnosing Start ComponentsCapacitor Relay Operation Check ICE/OFF/CLEAN Toggle Switch Switch Setting Terminals Ohm Reading Electronic Control Board Control Board Safety Limits Inputs HOW the Probe Works Freeze Time LOCK-IN FeatureIce Thickness Probe Cleaning Harvest Light Diagnosing ICE Thickness Control Circuitry Monitoring of Harvest Light Correction Water Level Probe Light Water Inlet Valve Safety SHUT-OFFElectrical System Section Water Level Control Circuitry Freeze Cycle Circuitry Problem Water Trough Overfilling During Freeze Cycle Diagnosing Water Level Control CircuitryWait until the freeze cycle starts On or OFF Step Check Self Contained 1 Phase with Terminal Board SELF-CONTAINED Water -COOLED Models Freeze Cycle Refrigeration Sequence Refrigeration System Section S1800 SELF-CONTAINED Tubing Schematic General ICE Production Check Before Beginning ServiceWeights are in pounds Times are in minutes INSTALLATION/VISUAL Inspection Checklist Water System ChecklistPossible Problem Corrective Action ICE Formation Pattern Extremely Thin at Evaporator OutletNormal Ice Formation Extremely Thin at Evaporator Inlet No Ice Formation Safety Limits Safety Limit IndicationAnalyzing Why Safety Limits May Stop the Ice Machine Safety Limit Notes Possible Cause Check/Correct Section Refrigeration System Freeze Cycle Discharge Pressure Low Checklist ProcedureFreeze Cycle Discharge Pressure High Checklist Analyzing Discharge Pressure During Freeze or Harvest Cycle Step Example Using SY1004A Model Ice Machine Analyzing Suction Pressure During Freeze Cycle Freeze Cycle Suction Pressure High Checklist Freeze Cycle Suction Pressure Low Checklist Harvest Valve Temperature Check General Harvest Valve AnalysisFindings Comments Discharge Line Temperature Analysis General Column 2 LOW CHARGE/TXV Starving Final AnalysisColumn 1 Harvest Valve Leaking Column 3 TXV Flooding Refrigeration System Operational Analysis Tables Models Dual Expansion Valve Ice Machine Model Number High Pressure CUT-OUT Hpco Control Hour Ice Production S1800 SeriesSelf-Contained Water-Cooled Cycle Times Operating Pressures SELF-CONTAINED RECOVERY/EVACUATION Connections Self-Contained Charging Procedures Charging Connections System Contamination CLEAN-UP Determining Severity Of Contamination Mild System Contamination Cleanup Procedure Severe System Contamination Cleanup Procedure Section Refrigeration System 10. Using Pinch-Off Tool FILTER-DRIERS Drier End Part Model Connection Size Number Total System Refrigerant Charges Series Version Charge S1800M48 oz Refrigerant Definitions RecoverNew Product Specifications Recycle New Refrigerant Recovered or Recycled RefrigerantRefrigerant RE-USE Policy Reclaimed Refrigerant HFC Refrigerant Questions and Answers This page Intentionally Left Blank Page Attend a Manitowoc Factory Service School