Manitowoc Ice STH003 manual Cycle Times Freeze Time + Harvest Time = Cycle Time

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NOTE: THESE CHARACTERISTICS MAY VARY DEPENDING ON OPERATING CONDITIONS.

Cycle Times

Freeze Time + Harvest Time = Cycle Time

AIR TEMP.		FREEZE TIME				HARVEST
ENTERING	WATER TEMPERATURE °F/°C					TIME
CONDENSER °F/°C	50/10.0		70/21.1		90/32.2
70/21.1	15.6-17.8		15.3-17.4		15.6-17.8
80/26.7	16.6-18.9		17.0-19.4		17.4-19.8	1.0-3.5
90/32.2	17.4-19.8		19.1-21.7		18.2-20.7	1.0-3.5
90/32.2	17.4-19.8		19.1-21.7		18.2-20.7
100/37.8	19.2-22.1		19.8-22.7		22.4-25.4
110/43.3	24.9-28.2		25.7-29.1		31.4-35.5
Times in minutes

24 Hour Ice Production

AIR TEMP. ENTERING	WATER TEMPERATURE °F/°C
CONDENSER °F/°C	50/10.0	70/21.1	90/32.2
70/21.1	53	54	53
80/26.7	50	49	48
90/32.2	48	44	46
100/37.8	40	39	38
110/43.3	35	34	28

Based on the average weight of 1 harvest cycle 0.63 – 0.71 lb. Nominal Individual Cube Weight 0.70 ounces

Cubes Per Harvest Cycle 16

Operating Pressures

AIR TEMP.	FREEZE CYCLE		HARVEST CYCLE
ENTERING	DISCHARGE	SUCTION	DISCHARGE	SUCTION
CONDENSER	PRESSURE	PRESSURE	PRESSURE	PRESSURE
°F/°C	PSIG	PSIG	PSIG	PSIG
50/10.0	125-70	18-0	50-75	20-55
70/21.1	135-95	18-0	65-85	35-60
80/26.7	165-115	19-2	75-100	40-70
90/32.2	195-135	20-3	85-120	40-70
100/37.8	235-165	24-5	100-135	50-80
110/43.3	255-185	28-7	110-155	50-90

Suction pressure drops gradually throughout the freeze cycle

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Contents CM050 CM Model Ice Machines Safety Notices Procedural Notices Personal Injury Potential Read These Before ProceedingPotential Personal Injury Situation Table of Contents Liquid Line Thermistor Model Numbers CMS050A004Manitowoc ICE Machine Cleaner and Sanitizer Accessories LegsDrain Pump MODEL/SERIAL Number Location General Owner Warranty Registration CardPage Manitowoc ICE, INC Location of ICE Machine InstallationHeat of Rejection Air Conditioning** Peak ICE Machine Heat of RejectionLevelers Legs Leveling the ICE MachineWater Inlet Lines Water SERVICE/DRAINS Water SupplyDrain Connections Water Supply and Drain Line SIZING/CONNECTIONS Drain PumpGfci Requirements Electrical SpecificationsElectrical Requirements Voltage Minimum Circuit AmpacityComponent Identification Water Pump Evaporator Shutter Assembly Operational Checks BIN Thermostat AdjustmentPower Button Green Clean GreenSafety Timers ICE Machine Inspection Cleaning the CondenserAIR-COOLED Condenser Interior Cleaning and Sanitizing Place CLEANING/SANITIZING Procedure Interior Cleaning and Sanitizing GeneralPage Cleaning Procedure Page Page Removal of Parts for Cleaning and Sanitizing TOP Cover Water Shutters ICE Chute Sump Drain Overflow Tube Water Trough Spray BAR, Water Pump and Hose Spray BAR Disassembly SELF-CONTAINED AIR-COOLED ICE Machines Removal from SERVICE/LONG Term STORAGE/WINTERIZATION GeneralAutomatic Shut-Off Refrigeration System Start-UpFreeze HarvestSequence Energized Parts Chart SELF-CONTAINED ICE MachinesDiagnosing AN ICE Machine That will not RUN TroubleshootingPage ICE Machine will not Harvest ICE Quality is Poor Cubes are SHALLOW, Incomplete or White Freeze Cycle is LONG, LOW ICE Production ICE Machine Runs & no ICE is Produced Freeze Harvest Cycle Psig Beginning Freeze Cycle Discharge Pressure LOW Checklist Analyzing Suction Pressure Step ProcedureSuction Pressure LOW Checklist Problem Suction Pressure High Checklist ProblemDischarge Pressure General HOT GAS ValveNormal Operation HOT GAS Valve Analysis Freeze cycle. If Function SpecificationsNo Ice on Ice on Bulb Result Check ProcedureFreeze Time Harvest Time Total Cycle Time Additional finishing time check Adjusting Finishing TimeLiquid Line Thermistor SM50 Resistance Chart TEMPERATURE/RESISTANCE ChartTotal System Refrigeration Charge Component Specifications Check Procedures Check Motor Windings to Ground Compressor Electrical DiagnosticsSingle Phase Compressors Check Resistance OHM ValuesCompressor Drawing High Amps Compressor Drawing Locked RotorRelay CapacitorPage Cycle Times Freeze Time + Harvest Time = Cycle Time Reclaim RecoverNew Product Specifications RecycleRefrigerant RE-USE Policy Page Connections Refrigerant Recovery/Evacuation/ChargingRecovery/Evacuation Charging Procedures Page System Contamination Cleanup General No symptoms or suspicion Normal Mild System Contamination Cleanup Procedure Change the vacuum pump oil Severe System Contamination Cleanup ProcedureFollow normal evacuation procedures Page FIG. a Pinching OFF Tubing Using Pinch Off ToolDo not disassemble valve Brazing Procedures for Danfoss Solenoid ValvesMAX F 700C Liquid Line Filter Drier Control Board Wiring Diagrams Tubing Schematic Manitowoc Ice, Inc