Manitowoc Ice QF0400, QF2300 Section, Ice Machine Operation, 3-13, Water Reservoir Cover Removal

Page 43

QF2300 Shown

Section 3	Ice Machine Operation

Water Reservoir Cover Removal

QF2300

1.Place the toggle switch in the OFF position, turn off the water supply and disconnect electrical power to the ice machine.

2.Remove water level probes.

3.Remove water float valve coil.

4.Depress coil and rotate 1/4 turn counterclockwise.

5.With coil wires attached, lift coil off enclosure tube.

6.Remove top cover from float reservoir.

3, 4, 5

2

6

SV1791

QF2300 Shown

Float Valve Removal

1.Place the toggle switch in the OFF position, turn off the water supply and disconnect electrical power to the ice machine.

2.Disconnect water supply line at float valve quick disconnect by depressing stainless steel lever.

3.Remove water float valve coil.

4.Depress coil and rotate 1/4 turn counterclockwise.

5.With coil wires attached, lift coil off enclosure tube.

6.QF0800/QC0700/QF2300 ONLY Rotate quarter turn fasteners counterclockwise.

7.QF0800/QC0700 ONLY Remove cotter key and pin from ice chute.

8.Remove top cover from float reservoir.

9.Lift float valve out of float reservoir.

FLOAT VALVE

SV2015

QC700/QF800 Shown

Part Number 80-1214-3

3-13

Image 43

Contents Flake / Chiplet Model Ice Machines Flake Models QF0400/QF0800 QF2200/QF2300Chiplet Models QC0700 Service ManualPERSONAL INJURY POTENTIAL Safety NoticesProcedural Notices Read These Before ProceedingManitowoc Cleaner and Sanitizer Table of ContentsSection Installation Instructions AccessoriesPreventative Maintenance Cleaning Procedure Table of Contents continuedSection Maintenance Exterior CleaningSafeGuard Indicator Lights Table of Contents continued SectionSection Troubleshooting Reset Procedure6-46 ICE/OFF/CLEAN Toggle SwitchCompressor Electrical Diagnostics Section Refrigeration SystemTable of Contents continued Revised 8/2003 MANITOWOC CLEANER AND SANITIZER Section General InformationHow to Read a Model Number AccessoriesModel/Serial Number Location General InformationSection Model/Serial Number LocationPARTS Owner Warranty Registration CardWarranty Coverage GENERALTHIS PAGE INTENTIONALLY LEFT BLANK QC700/QF800 AIR COOLED ICE MACHINE Section Installation InstructionsIce Machine Dimensions QF400 AIR COOLED ICE MACHINEInstallation Instructions Location of Remote Condensing Unit Location of Ice MachineIce Machine Head Section Clearance Requirements Ice Machine Heat of RejectionAir Baffle Leveling the Ice Storage BinCondenser Air Baffle QC700/QF800 Air-CooledIce Machines OnlyMINIMUM CIRCUIT AMPACITY Electrical ServiceVOLTAGE FUSE/CIRCUIT BREAKERRemote Condensing Unit Electrical RequirementsFor United Kingdom Only Ice Machine Head Section230/1/50 QF2200 ICE MACHINE HEAD SECTION 115/60/1QF2300 ICE MACHINE HEAD SECTION 115/60/1RFC2385 REMOTE CONDENSING UNIT 208-230/1/60 Remote Electrical Wiring ConnectionsRFC2085 REMOTE CONDENSING UNIT 208-230/1/60 POTABLE WATER INLET LINES Ice Machine Head Section Water Supply and DrainsCooling Tower Applications Water-CooledModels POTABLE WATER SUPPLY2-10 Typical Water Supply Drain InstallationWATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONS USAGE WITH NON-MANITOWOC CONDENSING UNITS Refrigeration System Installation2-11 QF2200/RFC2085 AND QF2300/RFC2385 ONLYUnit Locations Are Within Guidelines Refrigeration Line Set Installation2-12 Step 1 Verify Ice Machine and Remote CondensingManitowoc S-TrapKit Service Loop2-13 C. SUCTION LINE OIL TRAPS2-14 Step 4 Connecting the line set2-15 Step 7 Leak Check The Refrigeration System Open Receiver Service Valve2-16 Torque Value’sSuction Shut Off Valve Insulation 2-172-18 QF400 Section Ice Machine OperationComponent Identification ICE MACHINE HEAD SECTION QC700/QF800RFC2385 Remote Condensing Unit Ice Machine OperationSection QF2300GENERAL Operational ChecksWATER LEVEL CHECK EXTERIOR CLEANING Interior Cleaning and SanitizingCleaning/Sanitizing Procedure Heavily Scaled Cleaning ProcedureStraighten Bent Condenser Fins CLEANING THE CONDENSERAir-CooledCondenser Self-Contained Air-CooledFilterMANITOWOC’S CLEANING TECHNOLOGY PREVENTATIVE MAINTENANCE CLEANING PROCEDURE QF400 CLEANING/SANITIZING PROCEDURE QC700/QF800/QF2300 CLEANING/SANITIZING PROCEDURE QF400 part number 3-10only 3-11 REMOVAL OF PARTS FOR CLEANING/SANITIZINGWater Reservoir Cover Removal 3-12Water Level Probe Removal QC700/QF800QF2300 Shown 3-13Float Valve Removal Water Reservoir Removal 3-14Ice Diverter Removal Ice Chute Removal 3-15Bin Door Removal 3-16Cabinet Removal 3-17 Dump Valve DisassemblyWater Dump Valve Pry Open the Water Regulating Valve Removal from Service/Winterization3-18 WATER COOLED CONDENSING UNITINITIAL START-UP1A. Flush Section Ice Machine Sequence of OperationQF400/QC700/QF800 PRIOR TO START-UPRemote Condensing Unit 3. Automatic Shut-Off Ice Machine Sequence of OperationQF2200 Remote Condensing Unit 2. FreezeQF2300 THIS PAGE INTENTIONALLY LEFT BLANK Checklist Section TroubleshootingSAFEGUARD INDICATOR LIGHTS TroubleshootingSafeguard Feature RESET PROCEDURENo Water Checklist TroubleshootingAnalyzing Why SafeGuards May Stop the Ice Machine SAFEGUARD MODES No WaterGear Motor Speed Gear Motor Speed ChecklistTemperature is Too High or Low QF400/QC700/QF800 Temperature Sensor Checklist QF400/QC700/QF800Temperature is Too High or Low QF2200 Only Temperature Sensor Checklist QF2200Gear Box Removal QF2200/QF2300 Evaporator Removal 5-10 Energized Parts Charts Section Electrical SystemElectrical System QF2300 Wiring Diagram Sequence of OperationL1 1B. WATER FILL Freeze Cycle Automatic Shut-Off 3B. DRAIN EVAPORATOR Electrical System 6-10 Wiring Diagram Sequence of L1 Operation6-11 6-12 6-13 6-14 6-15 6-16 RFC2085 Initial Start-Up Remote Condensing Unit 6-17Initial Start-Up 6-18RFC2085 Initial Start-Up 6-196-20 RFC2085 Freeze Cycle 6-21QF2200 Automatic Shut-Off 6-22RFC2085 Automatic Shut-Off 6-236-24 8 Minute Lockout 6-256-26 Wiring Diagram Sequence of OperationRFC2385 6-276-28 6-29 6-30 6-31 6-32 6-33 QF2300 Automatic Shut-Off 6-346-35 WIRING DIAGRAM LEGEND Wiring Diagrams6-36 ICE MACHINE HEAD SECTION QF400 6-37115V/60Hz/1Ph - 230V/50Hz/1Ph QC700/QF800 115V/60Hz/1Ph - 230V/50Hz/1Ph 6-38COMPRESSOR SECTION QC700/QF800 6-39115/60/1 - 230/50/1 ICE MACHINE HEAD SECTION QF2200 6-40RFC2085 230V/60HZ/1PH - 230/50/1 6-41RFC2085 208-230V/60HZ/3PH 6-426-43 Diagram Shown During Freeze CycleICE MACHINE HEAD SECTION RFC2385 230V/60HZ/1PH - 230/50/1 6-44RFC2385 208-230V/60HZ/3PH 6-456-46 Control BoardCheck Procedure Component Specifications and DiagnosticsICE/OFF/CLEAN TOGGLE SWITCH Function Specifications6-48 MOTOR SPEED SENSOR Function 6-49Failure Modes WATER LEVEL PROBES Function 6-506-51 TEMPERATURE SENSOR Function 6-52TEMPERATURE/RESISTANCE CHART CONTROL BOARD RELAYS Function 6-53MAIN FUSE Function WATER FLOAT VALVE Function 6-54WATER LEVEL CHECK HIGH PRESSURE CONTROL HPCO Function 6-55Function FAN CYCLE CONTROL Function 6-56Check Motor Windings to Ground COMPRESSOR ELECTRICAL DIAGNOSTICS6-57 Check Resistance Ohm ValuesDiagnosing Start Components 6-58Relay Operation Check QF400/QC700/QF800/QF2200/QF2300 Diagnosing An Ice Machine That Will Not RunDiagnosing A Condensing Unit That Will Not Run 6-596-60 Tubing Schematic Section Refrigeration SystemSV3082 QF2200/RFC2085 Refrigeration SystemCondensing Unit QF2300/RFC2385 Refrigeration System Diagnostics ICE PRODUCTION/QUALITY CHECK Quality Check BEFORE BEGINNING SERVICEIce Production Check WATER SYSTEM CHECKLIST INSTALLATION/VISUAL INSPECTION CHECKLISTSAFEGUARDS Discharge Pressure High Checklist ProcedureDischarge Pressure Low Checklist Suction Pressure Low Checklist Suction Pressure High ChecklistANALYZING SUCTION PRESSURE WATER REGULATING VALVE WATER-COOLEDMODELS ONLY EQUALIZATION VALVE QF2300 GeneralNormal Operation AnalysisAir-CooledCondensing Units 7-10HEADMASTER CONTROL VALVE Function FREEZE CYCLE OPERATION Air-CooledIce MachinesOperating Pressures 7-11QF400 SELF-CONTAINEDAIR COOLED 24 Hour Ice ProductionQC700 SELF-CONTAINEDAIR COOLED 7-12QC700 SELF-CONTAINEDWATER COOLED QF800 SELF-CONTAINEDAIR COOLED 7-13QF800 SELF-CONTAINEDWATER COOLED QF2200/RFC2085 REMOTE AIR COOLED 7-14QF2300/RFC2385 REMOTE AIR COOLED Recovery/Evacuation Connections Refrigerant Recovery/Evacuation and RechargingREFRIGERANT RECOVERY/EVACUATION Normal Self-ContainedModel Procedures7-16 Recovery/Evacuation QF2200/QF2300Connections 7-17 Self-ContainedModel Charging ProceduresCharging Connections 7-18 Remote Charging Procedures QF2200/QF23007-19 SYSTEM CONTAMINATION CLEAN-UP GeneralDetermining Severity Of Contamination Severe System Contamination Cleanup Procedure Mild System Contamination Cleanup Procedure7-20 7-21 7-22 Using Pinch-OffToolSV1406 Remote Models SUCTION CLEAN-UPFILTER/DRIER QF400/QC700/QF8007-23 FILTER-DRIERS Liquid Line Filter DrierRecycle REFRIGERANT DEFINITIONS RecoverNew Product Specifications 7-24Revised 8/2003 Attend A Manitowoc Factory Service School 1.New Refrigerant 3.Recovered or Recycled Refrigerant7-25 REFRIGERANT RE-USEPOLICY7-26

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