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How to Read a Model NumberCube SizeCapacitySeriesCondenserTypeQ R 0130 AA - Air-cooledW - Water-cooledR - RegularD - DiceY - Half-dice0 - Regular, Air-cooled1 - Regular, Water-cooled2 - Dice, Air-cooled3 - Dice, Water-cooled4 - Half-dice, Air-cooled5 - Half-dice, Water-cooledAccessoriesContact your Manitowoc distributor for these optionalaccessories:BIN CASTERReplaces standard legs.MANITOWOC CLEANER AND SANITIZERManitowoc Ice Machine Cleaner and Sanitizer areavailable in convenient 16 oz. (473 ml) and 1 gal(3.78 l) bottles. These are the only cleaner andsanitizer approved for use with Manitowoc products.Cleaner Part NumberSanitizer Part Number16 oz 94-0456-3 16 oz 94-0565-3*16 oz 0000000841 Gallon 4-0580-3 1 Gallon 94-0581-3* This cleaner must be used with all SM50 ice machines. Evaporatordamage will result with repeated use or high concentrations of P/N94-0565-3 cleaner with SM50 ice machines.12 Part Number 80-01111-9 7/10
! CautionUse only Ma nitowoc app roved Ice MachineCleaner (part nu mber 9 4-0546-3 original gre enice machin e cleaner or 000 000084 clea r met alsafe ice ma chine clea ner) a nd San itizer (p artnumber 94-0565-3). It is a viola tion of Federallaw to use th ese so lutions in a mannerinconsistent with thei r l abeling. Re ad a ndunderstand all lab els printed on bottles beforeuse.NOTE: The Manitowoc Automatic Cleaning System(AuCS ® ) accessory cannot be used with Undercounterice machines SM50, QM20, QM30, QM45, Q130,Q170, Q210, or Q270.QM20, QM30, QM45 ice machines do not have awater curtain covering the evaporator. Q130, Q210,Q170, Q270 have an ice damper that performs thefunctions of the water curtain see Ice DamperRemoval/Installation for Details.Part Number 80-01111-9 7/10 13
Page 1: ManitowocQM20/QM30/QM45SM50Q130/Q17
Page 4 and 5: Read These Before Proceeding:! Caut
Page 6 and 7: Cleaning the Condenser . . . . . .
Page 8 and 9: Freeze Cycle Is Long, Low Ice Produ
Page 10 and 11: CHARTSCycle Times, 24 Hr. Ice Produ
Page 14 and 15: Model/Serial Number LocationThe mod
Page 16 and 17: SM50MODEL/SERIALNUMBER PLATE16 Part
Page 18 and 19: LaborQ130/Q170/Q210/Q2701. Labor re
Page 20 and 21: RESIDENTIAL WARRANTY COVERAGEWhat D
Page 22 and 23: How State Law AppliesThis limited w
Page 24 and 25: Ice Machine Clearance RequirementsS
Page 26 and 27: SM50/QM20/QM30After moving the ice
Page 28 and 29: Electrical SpecificationsQ130/Q170/
Page 30 and 31: QM20/QM30/QM45 Air-cooled Ice Machi
Page 32 and 33: COOLING TOWER APPLICATIONSWater Coo
Page 34 and 35: QM20/QM30LocationIce MakingWater In
Page 36 and 37: This Page Intentionally Left Blank3
Page 38 and 39: ON/OFF/WASHTOGGLESWITCHCONDENSER AI
Page 40 and 41: ON/OFF/WASHTOGGLESWITCHQM20 Ice Mac
Page 42 and 43: WATERPUMPEVAPORATORWATERSHUTTERASSE
Page 44 and 45: AIR-COOLED CONDENSERA dirty condens
Page 46 and 47: Step 1 Set the toggle switch to the
Page 48 and 49: D. Remove the Ice Thickness Probe
Page 50 and 51: Disassembly• Twist both of the in
Page 52 and 53: F. Remove the Float Valve• Turn t
Page 54 and 55: H. Remove the ice damper.Q130• Gr
Page 56 and 57: I. Remove the Bin Door• Grasp the
Page 58 and 59: Step 12 Use 1/2 of the sanitizer/wa
Page 60 and 61: QM20/QM30CLEANING AND SANITIZING PR
Page 62 and 63:
Step 6 Remove parts for cleaning.A.
Page 64 and 65:
Step 7 Mix a solution of cleaner an
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Step 20 Use half of the sanitizer/w
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4. Wait until the Clean light flash
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WATER SHUTTERSThe water shutter is
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SUMP DRAIN OVERFLOW TUBE1. Remove c
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SPRAY BAR, WATER PUMP AND HOSE! War
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! WarningWear ru bber gloves an d s
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WATER-COOLED ICE MACHINES1. Perform
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HARVEST SEQUENCE5. HarvestThe water
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ICE MAKINGSEQUENCE OFOPERATIONHarve
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HARVEST SEQUENCE4. Harvest CycleThe
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SM50INITIAL START-UP OR START-UP AF
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ENERGIZED PARTS CHARTSM50Self-conta
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Water Level CheckThe float valve is
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QM20/QM30Routine adjustments and ma
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5. Remove the two screws holding th
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Clean (Green)Pressing the “Clean
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This Page Intentionally Left Blank9
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DIAGNOSING ICE THICKNESS CONTROLCIR
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Ice Machine Cycles Into Harvest Bef
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INSTALLATION AND VISUAL INSPECTIONC
Page 106 and 107:
ICE FORMATION PATTERNEvaporator ice
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SAFETY LIMIT FEATUREIn addition to
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Safety Limit Notes• A safety limi
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Safety Limit ChecklistThe following
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Safety Limit #2Harvest time exceeds
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Discharge Pressure High ChecklistIm
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ProcedureStep1. Determine the ice m
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Suction Pressure Low ChecklistImpro
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Hot Gas Valve AnalysisThe valve can
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FindingsThe inlet of the harvestval
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DISCHARGE LINE TEMPERATURE ANALYSIS
Page 128 and 129:
REFRIGERATION COMPONENT DIAGNOSTICC
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FINAL ANALYSISThe column with the h
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Q130/Q170/Q210/Q270 Ice Machines On
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QM20/QM30DIAGNOSING AN ICE MACHINET
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QM30The QM30 ice machines have a ve
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Ice Production CheckThe QM20/QM30 d
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REFRIGERATION DIAGNOSTICSImportant:
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5. Install thermometer thermocouple
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SM50DIAGNOSING AN ICE MACHINETHAT W
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ICE QUALITY IS POOR — CUBES ARE S
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ICE MACHINE RUNS AND NO ICE IS PROD
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DISCHARGE PRESSURE HIGH CHECKLISTIm
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ProcedureStep1. Determine the ice m
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Other• Non-Manitowoc components i
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FindingsThe inlet of the harvestval
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ADJUSTING CUBE WEIGHTThe cube weigh
Page 160 and 161:
Bin SwitchQM45/Q130/Q170/Q210/Q270F
Page 162 and 163:
Bin Switch Removal — QM45/Q1301.
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Bin ThermostatQM20/QM30FunctionThe
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SM50FunctionThe bin thermostat stop
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Check Procedure! WarningHigh (line)
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Temperature/Resistance ChartAs the
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ON/OFF/WASH Toggle SwitchFUNCTIONTh
Page 174 and 175:
Ice Thickness ProbeQM45/Q130/Q170/Q
Page 176 and 177:
Compressor Electrical DiagnosticsTh
Page 178 and 179:
Fan Cycle ControlQM45/Q130/Q170/Q21
Page 180 and 181:
Filter-DriersLIQUID LINE FILTER DRI
Page 182 and 183:
REFRIGERANT RE-USE POLICYManitowoc
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RECOVERY AND RECHARGING PROCEDURESQ
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NOTE: Manifold gauges must be remov
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ImportantManifold gau ges must be r
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System Contamination CleanupGENERAL
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MILD SYSTEM CONTAMINATION CLEANUPPR
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REPLACING PRESSURE CONTROLS WITHOUT
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Q270 Condenser Fan Motor Replacemen
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MAX. 1300°F(700°C)SV30714. Apply
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High Pressure Cutout (HPCO) Control
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QM20 SELF-CONTAINED AIR-COOLEDNOTE:
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QM45 SELF-CONTAINED AIR-COOLEDNOTE:
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SM50 SELF-CONTAINED AIR-COOLEDNOTE:
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Q130 SELF-CONTAINED AIR-COOLED(Afte
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Q170 SELF-CONTAINED AIR-COOLEDNOTE:
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Q210 SELF-CONTAINED WATER-COOLEDNOT
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Q270 SELF-CONTAINED WATER-COOLEDNOT
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QM20CAUTION: DISCONNECT POWER BEFOR
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QM30230V/1 Ph/50 HzL1CAUTION: DISCO
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SM50L1CAUTION: DISCONNECT POWER BEF
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Q130/Q170/Q210Danfoss CompressorL1N
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Q270Danfoss CompressorL1NOTE: DIAGR
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QM45/Q130/Q170/Q210/Q270ICE THICKNE
Page 230 and 231:
Tubing SchematicsQM20/QM30 Tubing S
Page 232 and 233:
SM50 Tubing SchematicHEATEXCHANGERE
Page 234:
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