Manitowoc S0850M Wartungshandbuch

Thank you for selecting a Manitowoc Ice Machine, the dependability leader in ice making equipment and related products. With proper installation, care

General Information Section 11-4 Part Number 80-1558-3Owner Warranty Registration CardGENERALThe packet containing this manual also includes warranty

Attend A Manitowoc Factory Service School• Improve Your Service Techniques• Network with Your Peers• 4 1/2 Days of Intensive Training on Manitowoc Ice

Section 2 Installation Instructions Part Number 80-1558-3 2-1Section 2Installation InstructionsGeneralThese instructions are provided to assist the qu

Installation Instructions Section 22-2 Part Number 80-1558-3Location of Ice MachineThe location selected for the ice machine must meet the following c

Section 2 Installation Instructions Part Number 80-1558-3 2-3Electrical ServiceGENERALVOLTAGEThe maximum allowable voltage variation is ±10% of the ra

Installation Instructions Section 22-4 Part Number 80-1558-3Self-Contained Electrical Wiring ConnectionsSELF CONTAINED ICE MACHINE115/1/60 OR 208-230/

Section 2 Installation Instructions Part Number 80-1558-3 2-5Water Supply and Drain RequirementsWATER SUPPLYLocal water conditions may require treatme

Installation Instructions Section 22-6 Part Number 80-1558-3WATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONSTypical Water Supply Drain Installation!Caut

Section 2 Installation Instructions Part Number 80-1558-3 2-7Installation Check ListIs the Ice Machine level?Has all of the internal packing been remo

Installation Instructions Section 22-8 Part Number 80-1558-3Before Starting the Ice MachineAll Manitowoc ice machines are factory-operated and adjuste

Section 3 Ice Machine Operation Part Number 80-1558-3 3-1Section 3Ice Machine OperationComponent Identificationsv3150sv3149Check ValveIce Thickness Pr

We reserve the right to make product improvements at any time.Specifications and design are subject to change without notice. Safety NoticesAs you wor

Ice Machine Operation Section 33-2 Part Number 80-1558-3Sequence Of OperationNOTE: The toggle switch must be in the ice position and the water curtain

Section 3 Ice Machine Operation Part Number 80-1558-3 3-3HARVEST SEQUENCE5. Water PurgeThe harvest valve(s) opens at the beginning of the water purge

Ice Machine Operation Section 33-4 Part Number 80-1558-3Operational ChecksGENERALManitowoc ice machines are factory-operated and adjusted before shipm

Section 3 Ice Machine Operation Part Number 80-1558-3 3-5HARVEST SEQUENCE WATER PURGEThe harvest sequence water purge adjustment may be used when the

Ice Machine Operation Section 33-6 Part Number 80-1558-3THIS PAGE INTENTIONALLY LEFT BLANK

Section 4 Maintenance Part Number 80-1558-3 4-1Section 4MaintenanceGeneralYou are responsible for maintaining the ice machine in accordance with the i

Maintenance Section 44-2 Part Number 80-1558-3Guardian™Slime is a leading cause of ice machine breakdowns and biological growth is a health concern. T

Section 4 Maintenance Part Number 80-1558-3 4-3Interior Cleaning and SanitizingGENERALClean and sanitize the ice machine every six months for efficien

Maintenance Section 44-4 Part Number 80-1558-3SANITIZING PROCEDUREUse sanitizer to remove algae or slime. Do not use it to remove lime scale or other

Section 4 Maintenance Part Number 80-1558-3 4-5REMOVAL OF PARTS FOR CLEANING/SANITIZING1. Turn off the electrical and water supply to the ice machine

Part No. 80-1558-3 1-1Table of ContentsSection 1 General InformationModel Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance Section 44-6 Part Number 80-1558-31. Water CurtainA. Gently flex the curtain in the center and remove it from the right side.B. Slide the

Section 4 Maintenance Part Number 80-1558-3 4-73. Water Distribution TubeNOTE: Distribution tube thumbscrews are retained by o-rings to prevent loss.

Maintenance Section 44-8 Part Number 80-1558-3Water Level Probe1. Remove the water trough.2. The water level probe normally does not require removal f

Section 4 Maintenance Part Number 80-1558-3 4-9Water Dump ValveThe water dump valve normally does not require removal for cleaning. To determine if re

Maintenance Section 44-10 Part Number 80-1558-3Evaporator Tray Removal1. Remove the water trough.2. Remove thumbscrew on left side of tray.3. Allow le

Section 4 Maintenance Part Number 80-1558-3 4-11Water Inlet ValveThe water inlet valve normally does not require removal for cleaning. Refer to Sectio

Maintenance Section 44-12 Part Number 80-1558-3Removal from Service/WinterizationGENERALSpecial precautions must be taken if the ice machine is to be

Section 5 Before Calling For Service Part Number 80-1558-3 5-1Section 5Before Calling For ServiceChecklistIf a problem arises during operation of your

Before Calling For Service Section 55-2 Part Number 80-1558-3Safety Limit FeatureIn addition to the standard safety controls, such as the high pressur

Section 6 Electrical System Part Number 80-1558-3 6-1Section 6Electrical SystemEnergized Parts ChartsSELF-CONTAINED WATER-COOLED MODELS1. Initial Sta

Table of Contents (continued)1-2 Part No. 80-1558-3Section 3 Ice Machine OperationComponent Identification . . . . . . . . . . . . . . . . . . . . .

Electrical System Section 66-2 Part Number 80-1558-3Wiring Diagram Sequence of Operation SELF-CONTAINED MODELSInitial Start-Up or Start-Up After Autom

Section 6 Electrical System Part Number 80-1558-3 6-32. REFRIGERATION SYSTEM START-UPThe compressor starts after the 45-second water purge, and it rem

Electrical System Section 66-4 Part Number 80-1558-3Freeze Sequence3. PRE-CHILLTo pre-chill the evaporator, the compressor runs for 30 seconds (60 sec

Section 6 Electrical System Part Number 80-1558-3 6-54. FREEZEThe water pump starts after the pre-chill. An even flow of water is directed across the

Electrical System Section 66-6 Part Number 80-1558-3Harvest Sequence5. WATER PURGEThe harvest valve(s) opens at the beginning of the water purge to di

Section 6 Electrical System Part Number 80-1558-3 6-76. HARVESTThe harvest valve(s) remains open and the refrigerant gas warms the evaporator. This ca

Electrical System Section 66-8 Part Number 80-1558-3Automatic Shut-Off7. AUTOMATIC SHUT-OFFWhen the storage bin is full at the end of a harvest cycle,

Section 6 Electrical System Part Number 80-1558-3 6-9Wiring DiagramsThe following pages contain electrical wiring diagrams. Be sure you are referring

Electrical System Section 66-10 Part Number 80-1558-3S0850M - SELF CONTAINED - 1 PHASE SV3130(89)(55)(88)(42)High Pressure CutoutWater ValveHarvest Va

Section 6 Electrical System Part Number 80-1558-3 6-11S0850M - SELF CONTAINED - 3 PHASESV3131(89)(55)(88)(42)High Pressure CutoutWater ValveHarvest Va

Table of Contents (continued)Part No. 80-1558-3 1-3Section 6 Electrical SystemEnergized Parts Charts . . . . . . . . . . . . . . . . . . . . . . . .

Electrical System Section 66-12 Part Number 80-1558-3Component Specifications and DiagnosticsMAIN FUSEFunctionThe control board fuse stops ice machine

Section 6 Electrical System Part Number 80-1558-3 6-13SymptomsBin Switch Fails Open• The ice machine will not start with the toggle switch in the ice

Electrical System Section 66-14 Part Number 80-1558-3COMPRESSOR ELECTRICAL DIAGNOSTICSThe compressor will not start or will trip repeatedly on overloa

Section 6 Electrical System Part Number 80-1558-3 6-15PTCR DIAGNOSTICSWhat is a PTCR?A PTCR (or Positive Temperature Coefficient Resistor) is made fro

Electrical System Section 66-16 Part Number 80-1558-3S-Model Automatic Shut-Off and RestartWhen the storage bin is full at the end of a harvest cycle,

Section 6 Electrical System Part Number 80-1558-3 6-17There are other problems that may cause compressor start-up failure with a good PTCR in a new, p

Electrical System Section 66-18 Part Number 80-1558-3DIAGNOSING START COMPONENTSIf the compressor attempts to start, or hums and trips the overload pr

Section 6 Electrical System Part Number 80-1558-3 6-19ELECTRONIC CONTROL BOARDControl BoardSV3129AC LINE VOLTAGE ELECTRICAL PLUG (NUMBERS MARKED ON WI

Electrical System Section 66-20 Part Number 80-1558-3General S-Model control boards use a dual voltage transformer. This means only one control board

Section 6 Electrical System Part Number 80-1558-3 6-21Ice Thickness Probe (Harvest Initiation)HOW THE PROBE WORKSManitowoc’s electronic sensing circui

Table of Contents (continued)1-4 Part No. 80-1558-3Cycle Time/24 Hour Ice Production/Refrigerant Pressure Charts . . . . . . . . . 7-19Refrigerant

Electrical System Section 66-22 Part Number 80-1558-3DIAGNOSING ICE THICKNESS CONTROL CIRCUITRYIce Machine Does Not Cycle Into Harvest When Water Cont

Section 6 Electrical System Part Number 80-1558-3 6-23Water Level Control CircuitryWATER LEVEL PROBE LIGHTThe water level probe circuit can be monitor

Electrical System Section 66-24 Part Number 80-1558-3DIAGNOSING WATER LEVEL CONTROL CIRCUITRYProblem: Water Trough Overfilling During The Freeze Cycle

Section 6 Electrical System Part Number 80-1558-3 6-25Problem: Water Will Not Run Into The Sump Trough During The Freeze CycleStep 1 Verify water is

Electrical System Section 66-26 Part Number 80-1558-3Diagnosing An Ice Machine That Will Not Run!WarningHigh (line) voltage is applied to the control

Section 6 Electrical System Part Number 80-1558-3 6-27S0850M - SELF CONTAINED - 1 PHASE WITH TERMINAL BOARDSV2071213456

Electrical System Section 66-28 Part Number 80-1558-3THIS PAGE INTENTIONALLY LEFT BLANK

Section 7 . Refrigeration System Part Number 80-1558-3 7-1Section 7.Refrigeration SystemSequence of OperationSELF-CONTAINED WATER -COOLED MODELSFigure

. Refrigeration System Section 77-2 Part Number 80-1558-3Figure 7-2. Self-Contained Harvest Cycle Harvest Cycle Refrigeration SequenceHot gas flows th

Section 7 . Refrigeration System Part Number 80-1558-3 7-3Operational Analysis (Diagnostics)GENERALWhen analyzing the refrigeration system, it is impo

Section 1 General Information Part Number 80-1558-3 1-1Section 1General InformationModel NumbersThis manual covers the following models: NOTE: Model n

. Refrigeration System Section 77-4 Part Number 80-1558-3BEFORE BEGINNING SERVICEIce machines may experience operational problems only during certain

Section 7 . Refrigeration System Part Number 80-1558-3 7-5INSTALLATION/VISUAL INSPECTION CHECKLIST WATER SYSTEM CHECKLISTA water-related problem often

. Refrigeration System Section 77-6 Part Number 80-1558-3ICE FORMATION PATTERNEvaporator ice formation pattern analysis is helpful in ice machine diag

Section 7 . Refrigeration System Part Number 80-1558-3 7-73. Extremely Thin at Evaporator InletThere is no ice, or a considerable lack of ice formatio

. Refrigeration System Section 77-8 Part Number 80-1558-3SAFETY LIMITSGeneralIn addition to standard safety controls, such as high pressure cut-out, t

Section 7 . Refrigeration System Part Number 80-1558-3 7-9Safety Limit #1Refer to previous page for safety limit operation.Freeze time exceeds 60 minu

. Refrigeration System Section 77-10 Part Number 80-1558-3Safety Limit #2Refer to page 7-8 for safety limit operation.Harvest time exceeds 3.5 minutes

Section 7 . Refrigeration System Part Number 80-1558-3 7-11ANALYZING DISCHARGE PRESSUREDURING FREEZE OR HARVEST CYCLEProcedure1. Determine the ice mac

. Refrigeration System Section 77-12 Part Number 80-1558-3ANALYZING SUCTION PRESSUREDURING FREEZE CYCLEThe suction pressure gradually drops throughout

Section 7 . Refrigeration System Part Number 80-1558-3 7-13Freeze Cycle Suction Pressure High ChecklistFreeze Cycle Suction Pressure Low ChecklistNOTE

General Information Section 11-2 Part Number 80-1558-3AccessoriesContact your Manitowoc distributor for these optional accessories:BIN CASTERReplaces

. Refrigeration System Section 77-14 Part Number 80-1558-3SINGLE EXPANSION VALVE ICE MACHINES -COMPARING EVAPORATOR INLET AND OUTLET TEMPERATURESNOTE:

Section 7 . Refrigeration System Part Number 80-1558-3 7-15HARVEST VALVE TEMPERATURE CHECKGeneralA harvest valve requires a critical orifice size. Thi

. Refrigeration System Section 77-16 Part Number 80-1558-3HOW TO USE THE REFRIGERATION SYSTEMOPERATIONAL ANALYSIS TABLESGeneralThese tables must be us

Section 7 . Refrigeration System Part Number 80-1558-3 7-17REFRIGERATION SYSTEM OPERATIONAL ANALYSIS TABLES S Models Single Expansion ValveThis table

. Refrigeration System Section 77-18 Part Number 80-1558-3Pressure Control Specifications and DiagnosticsHIGH PRESSURE CUT-OUT (HPCO) CONTROLFunctionS

Section 7 . Refrigeration System Part Number 80-1558-3 7-19Cycle Time/24 Hour Ice Production/Refrigerant Pressure ChartsThese charts are used as guide

. Refrigeration System Section 77-20 Part Number 80-1558-3Refrigerant Recovery/Evacuation and RechargingNORMAL SELF-CONTAINED MODEL PROCEDURESRefriger

Section 7 . Refrigeration System Part Number 80-1558-3 7-21Self-Contained Charging Procedures1. Be sure the toggle switch is in the OFF position.Figur

. Refrigeration System Section 77-22 Part Number 80-1558-3Figure 7-9. Recovery/Evacuation ConnectionsxxxSCHRAEDER FITTINGQUICK CONNECTDISCHARGE LINECO

Section 7 . Refrigeration System Part Number 80-1558-3 7-23SYSTEM CONTAMINATION CLEAN-UPGeneralThis section describes the basic requirements for resto

Section 1 General Information Part Number 80-1558-3 1-3Model/Serial Number LocationThese numbers are required when requesting information from your lo

. Refrigeration System Section 77-24 Part Number 80-1558-3Mild System Contamination Cleanup Procedure1. Replace any failed components.2. If the compre

Section 7 . Refrigeration System Part Number 80-1558-3 7-2510. Follow the normal evacuation procedure, except replace the evacuation step with the fol

. Refrigeration System Section 77-26 Part Number 80-1558-3Figure 7-10. Using Pinch-Off ToolSV1406

Section 7 . Refrigeration System Part Number 80-1558-3 7-27FILTER-DRIERSThe filter-driers used on Manitowoc ice machines are manufactured to Manitowoc

. Refrigeration System Section 77-28 Part Number 80-1558-3REFRIGERANT DEFINITIONSRecoverTo remove refrigerant, in any condition, from a system and sto

Section 7 . Refrigeration System Part Number 80-1558-3 7-29REFRIGERANT RE-USE POLICYManitowoc recognizes and supports the need for proper handling, re

. Refrigeration System Section 77-30 Part Number 80-1558-3HFC REFRIGERANT QUESTIONS AND ANSWERSManitowoc uses R-404A and R-134A HFC refrigerants with

Section 7 . Refrigeration System Part Number 80-1558-3 7-31THIS PAGE INTENTIONALLY LEFT BLANK

. Refrigeration System Section 77-32 Part Number 80-1558-3THIS PAGE INTENTIONALLY LEFT BLANK