Refrigeration System, Section, Safeguards

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Manitowoc Ice QF0400 Refrigeration System, Section, Installation/Visual Inspection Checklist, Water System Checklist

Contents

Flake Models QF0400/QF0800 QF2200/QF2300 Chiplet Models QC0700Service Manual Flake / Chiplet Model Ice Machines Safety Notices Procedural NoticesRead These Before Proceeding PERSONAL INJURY POTENTIAL Table of Contents Section Installation InstructionsAccessories Manitowoc Cleaner and Sanitizer Table of Contents continued Section MaintenanceExterior Cleaning Preventative Maintenance Cleaning Procedure Table of Contents continued Section Section TroubleshootingReset Procedure SafeGuard Indicator Lights ICE/OFF/CLEAN Toggle Switch Compressor Electrical DiagnosticsSection Refrigeration System 6-46 Table of Contents continued Table of Contents continued Section General Information How to Read a Model NumberAccessories MANITOWOC CLEANER AND SANITIZER General Information SectionModel/Serial Number Location Model/Serial Number Location Owner Warranty Registration Card Warranty CoverageGENERAL PARTS THIS PAGE INTENTIONALLY LEFT BLANK Section Installation Instructions Ice Machine DimensionsQF400 AIR COOLED ICE MACHINE QC700/QF800 AIR COOLED ICE MACHINE Installation Instructions Location of Ice Machine Ice Machine Head Section Clearance RequirementsIce Machine Heat of Rejection Location of Remote Condensing Unit Leveling the Ice Storage Bin Condenser Air BaffleQC700/QF800 Air-CooledIce Machines Only Air Baffle Electrical Service VOLTAGEFUSE/CIRCUIT BREAKER MINIMUM CIRCUIT AMPACITY Electrical Requirements For United Kingdom OnlyIce Machine Head Section Remote Condensing Unit QF2200 ICE MACHINE HEAD SECTION 115/60/1 QF2300 ICE MACHINE HEAD SECTION115/60/1 230/1/50 RFC2085 REMOTE CONDENSING UNIT 208-230/1/60 Remote Electrical Wiring ConnectionsRFC2385 REMOTE CONDENSING UNIT 208-230/1/60 Ice Machine Head Section Water Supply and Drains Cooling Tower Applications Water-CooledModelsPOTABLE WATER SUPPLY POTABLE WATER INLET LINES WATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONS Typical Water Supply Drain Installation2-10 Refrigeration System Installation 2-11QF2200/RFC2085 AND QF2300/RFC2385 ONLY USAGE WITH NON-MANITOWOC CONDENSING UNITS Refrigeration Line Set Installation 2-12Step 1 Verify Ice Machine and Remote Condensing Unit Locations Are Within Guidelines Service Loop 2-13C. SUCTION LINE OIL TRAPS Manitowoc S-TrapKit Step 4 Connecting the line set 2-14 2-15 Open Receiver Service Valve 2-16Torque Value’s Step 7 Leak Check The Refrigeration System 2-17 Suction Shut Off Valve Insulation 2-18 Section Ice Machine Operation Component IdentificationICE MACHINE HEAD SECTION QC700/QF800 QF400 Ice Machine Operation SectionQF2300 RFC2385 Remote Condensing Unit WATER LEVEL CHECK Operational ChecksGENERAL Interior Cleaning and Sanitizing Cleaning/Sanitizing ProcedureHeavily Scaled Cleaning Procedure EXTERIOR CLEANING CLEANING THE CONDENSER Air-CooledCondenserSelf-Contained Air-CooledFilter Straighten Bent Condenser Fins MANITOWOC’S CLEANING TECHNOLOGY PREVENTATIVE MAINTENANCE CLEANING PROCEDURE QF400 CLEANING/SANITIZING PROCEDURE QC700/QF800/QF2300 CLEANING/SANITIZING PROCEDURE QF400 only 3-10part number REMOVAL OF PARTS FOR CLEANING/SANITIZING 3-11 3-12 Water Level Probe RemovalQC700/QF800 Water Reservoir Cover Removal Float Valve Removal 3-13QF2300 Shown Ice Diverter Removal 3-14Water Reservoir Removal 3-15 Ice Chute Removal Cabinet Removal 3-16Bin Door Removal Water Dump Valve Dump Valve Disassembly3-17 Removal from Service/Winterization 3-18WATER COOLED CONDENSING UNIT Pry Open the Water Regulating Valve Section Ice Machine Sequence of Operation QF400/QC700/QF800PRIOR TO START-UP INITIAL START-UP1A. Flush Ice Machine Sequence of Operation QF2200Remote Condensing Unit 2. Freeze Remote Condensing Unit 3. Automatic Shut-Off QF2300 THIS PAGE INTENTIONALLY LEFT BLANK Section Troubleshooting Checklist Troubleshooting Safeguard FeatureRESET PROCEDURE SAFEGUARD INDICATOR LIGHTS Troubleshooting Analyzing Why SafeGuards May Stop the Ice MachineSAFEGUARD MODES No Water No Water Checklist Gear Motor Speed Checklist Gear Motor Speed Temperature Sensor Checklist QF400/QC700/QF800 Temperature is Too High or Low QF400/QC700/QF800 Temperature Sensor Checklist QF2200 Temperature is Too High or Low QF2200 Only Gear Box Removal QF2200/QF2300 Evaporator Removal 5-10 Section Electrical System Energized Parts Charts Electrical System Energized Parts Charts Wiring Diagram Sequence of OperationL1 1B. WATER FILL Freeze Cycle Automatic Shut-Off 3B. DRAIN EVAPORATOR Automatic Shut-Off Wiring Diagram Sequence of L1 Operation 6-10 6-11 6-12 6-13 6-14 6-15 6-16 6-17 RFC2085 Initial Start-Up Remote Condensing Unit 6-18 Initial Start-Up 6-19 RFC2085 Initial Start-Up 6-20 6-21 RFC2085 Freeze Cycle 6-22 QF2200 Automatic Shut-Off 6-23 RFC2085 Automatic Shut-Off 6-24 6-25 8 Minute Lockout Wiring Diagram Sequence of Operation 6-26 6-27 RFC2385 6-28 6-29 6-30 6-31 6-32 6-33 6-34 QF2300 Automatic Shut-Off 6-35 6-36 Wiring DiagramsWIRING DIAGRAM LEGEND 115V/60Hz/1Ph - 230V/50Hz/1Ph 6-37ICE MACHINE HEAD SECTION QF400 6-38 QC700/QF800 115V/60Hz/1Ph - 230V/50Hz/1Ph 115/60/1 - 230/50/1 6-39COMPRESSOR SECTION QC700/QF800 6-40 ICE MACHINE HEAD SECTION QF2200 6-41 RFC2085 230V/60HZ/1PH - 230/50/1 6-42 RFC2085 208-230V/60HZ/3PH ICE MACHINE HEAD SECTION Diagram Shown During Freeze Cycle6-43 6-44 RFC2385 230V/60HZ/1PH - 230/50/1 6-45 RFC2385 208-230V/60HZ/3PH Control Board 6-46 Component Specifications and Diagnostics ICE/OFF/CLEAN TOGGLE SWITCH FunctionSpecifications Check Procedure 6-48 Failure Modes 6-49MOTOR SPEED SENSOR Function 6-50 WATER LEVEL PROBES Function 6-51 TEMPERATURE/RESISTANCE CHART 6-52TEMPERATURE SENSOR Function MAIN FUSE Function 6-53CONTROL BOARD RELAYS Function WATER LEVEL CHECK 6-54WATER FLOAT VALVE Function Function 6-55HIGH PRESSURE CONTROL HPCO Function 6-56 FAN CYCLE CONTROL Function COMPRESSOR ELECTRICAL DIAGNOSTICS 6-57Check Resistance Ohm Values Check Motor Windings to Ground Relay Operation Check 6-58Diagnosing Start Components Diagnosing An Ice Machine That Will Not Run Diagnosing A Condensing Unit That Will Not Run6-59 QF400/QC700/QF800/QF2200/QF2300 6-60 SV3082 Section Refrigeration SystemTubing Schematic Condensing Unit Refrigeration SystemQF2200/RFC2085 QF2300/RFC2385 Refrigeration System Diagnostics Ice Production Check BEFORE BEGINNING SERVICEICE PRODUCTION/QUALITY CHECK Quality Check SAFEGUARDS INSTALLATION/VISUAL INSPECTION CHECKLISTWATER SYSTEM CHECKLIST Discharge Pressure Low Checklist ProcedureDischarge Pressure High Checklist ANALYZING SUCTION PRESSURE Suction Pressure High ChecklistSuction Pressure Low Checklist EQUALIZATION VALVE QF2300 General Normal OperationAnalysis WATER REGULATING VALVE WATER-COOLEDMODELS ONLY 7-10 HEADMASTER CONTROL VALVE FunctionFREEZE CYCLE OPERATION Air-CooledIce Machines Air-CooledCondensing Units 7-11 QF400 SELF-CONTAINEDAIR COOLED24 Hour Ice Production Operating Pressures QC700 SELF-CONTAINEDWATER COOLED 7-12QC700 SELF-CONTAINEDAIR COOLED QF800 SELF-CONTAINEDWATER COOLED 7-13QF800 SELF-CONTAINEDAIR COOLED QF2300/RFC2385 REMOTE AIR COOLED 7-14QF2200/RFC2085 REMOTE AIR COOLED Refrigerant Recovery/Evacuation and Recharging REFRIGERANT RECOVERY/EVACUATIONNormal Self-ContainedModel Procedures Recovery/Evacuation Connections Connections Recovery/Evacuation QF2200/QF23007-16 Charging Connections Self-ContainedModel Charging Procedures7-17 Remote Charging Procedures QF2200/QF2300 7-18 Determining Severity Of Contamination SYSTEM CONTAMINATION CLEAN-UP General7-19 7-20 Mild System Contamination Cleanup ProcedureSevere System Contamination Cleanup Procedure 7-21 SV1406 Using Pinch-OffTool7-22 SUCTION CLEAN-UPFILTER/DRIER QF400/QC700/QF800 7-23FILTER-DRIERS Liquid Line Filter Drier Remote Models REFRIGERANT DEFINITIONS Recover New Product Specifications7-24 Recycle Revised 8/2003 Attend A Manitowoc Factory Service School 3.Recovered or Recycled Refrigerant 7-25REFRIGERANT RE-USEPOLICY 1.New Refrigerant 7-26