Manitowoc

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ON/OFF/WASHTOGGLESWITCHCONDENSER AIRFILTERCOMPRESSORCOMPARTMENTACCESS SCREWSSV1686GQM45/Q130/Q170/Q210 Ice MachinesON/OFF/WASHTOGGLESWITCHCOMPRESSORCOMPARTMENT ACCESSSCREWSCONDENSER AIR FILTERPT1288Q270 Ice Machines38 Part Number 80-01111-9 7/10
QM20/QM30WATERDISTRIBUTIONTUBEWATER PUMPANDBRACKETASSEMBLYWATERPUMPOUTLETHOSEEVAPORATORASSEMBLYOVERFLOWTUBEWATERTROUGHSV1716APart Number 80-01111-9 7/10 39
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 12 and 13: How to Read a Model NumberCube Size
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 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
Page 66 and 67: Step 20 Use half of the sanitizer/w
Page 68 and 69: 4. Wait until the Clean light flash
Page 70 and 71: WATER SHUTTERSThe water shutter is
Page 72 and 73: SUMP DRAIN OVERFLOW TUBE1. Remove c
Page 74 and 75: SPRAY BAR, WATER PUMP AND HOSE! War
Page 76 and 77: ! WarningWear ru bber gloves an d s
Page 78 and 79: WATER-COOLED ICE MACHINES1. Perform
Page 80 and 81: HARVEST SEQUENCE5. HarvestThe water
Page 82 and 83: ICE MAKINGSEQUENCE OFOPERATIONHarve
Page 84 and 85: HARVEST SEQUENCE4. Harvest CycleThe
Page 86 and 87: SM50INITIAL START-UP OR START-UP AF
Page 88 and 89:
ENERGIZED PARTS CHARTSM50Self-conta
Page 90 and 91:
Water Level CheckThe float valve is
Page 92 and 93:
QM20/QM30Routine adjustments and ma
Page 94 and 95:
5. Remove the two screws holding th
Page 96 and 97:
Clean (Green)Pressing the “Clean
Page 98 and 99:
This Page Intentionally Left Blank9
Page 100 and 101:
DIAGNOSING ICE THICKNESS CONTROLCIR
Page 102 and 103:
Ice Machine Cycles Into Harvest Bef
Page 104 and 105:
INSTALLATION AND VISUAL INSPECTIONC
Page 106 and 107:
ICE FORMATION PATTERNEvaporator ice
Page 108 and 109:
SAFETY LIMIT FEATUREIn addition to
Page 110 and 111:
Safety Limit Notes• A safety limi
Page 112 and 113:
Safety Limit ChecklistThe following
Page 114 and 115:
Safety Limit #2Harvest time exceeds
Page 116 and 117:
Discharge Pressure High ChecklistIm
Page 118 and 119:
ProcedureStep1. Determine the ice m
Page 120 and 121:
Suction Pressure Low ChecklistImpro
Page 122 and 123:
Hot Gas Valve AnalysisThe valve can
Page 124 and 125:
FindingsThe inlet of the harvestval
Page 126 and 127:
DISCHARGE LINE TEMPERATURE ANALYSIS
Page 128 and 129:
REFRIGERATION COMPONENT DIAGNOSTICC
Page 130 and 131:
FINAL ANALYSISThe column with the h
Page 132 and 133:
Q130/Q170/Q210/Q270 Ice Machines On
Page 134 and 135:
QM20/QM30DIAGNOSING AN ICE MACHINET
Page 136 and 137:
QM30The QM30 ice machines have a ve
Page 138 and 139:
Ice Production CheckThe QM20/QM30 d
Page 140 and 141:
REFRIGERATION DIAGNOSTICSImportant:
Page 142 and 143:
5. Install thermometer thermocouple
Page 144 and 145:
SM50DIAGNOSING AN ICE MACHINETHAT W
Page 146 and 147:
ICE QUALITY IS POOR — CUBES ARE S
Page 148 and 149:
ICE MACHINE RUNS AND NO ICE IS PROD
Page 150 and 151:
DISCHARGE PRESSURE HIGH CHECKLISTIm
Page 152 and 153:
ProcedureStep1. Determine the ice m
Page 154 and 155:
Other• Non-Manitowoc components i
Page 156 and 157:
FindingsThe inlet of the harvestval
Page 158 and 159:
ADJUSTING CUBE WEIGHTThe cube weigh
Page 160 and 161:
Bin SwitchQM45/Q130/Q170/Q210/Q270F
Page 162 and 163:
Bin Switch Removal — QM45/Q1301.
Page 164 and 165:
Bin ThermostatQM20/QM30FunctionThe
Page 166 and 167:
SM50FunctionThe bin thermostat stop
Page 168 and 169:
Check Procedure! WarningHigh (line)
Page 170 and 171:
Temperature/Resistance ChartAs the
Page 172 and 173:
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
Page 184 and 185:
RECOVERY AND RECHARGING PROCEDURESQ
Page 186 and 187:
NOTE: Manifold gauges must be remov
Page 188 and 189:
ImportantManifold gau ges must be r
Page 190 and 191:
System Contamination CleanupGENERAL
Page 192 and 193:
MILD SYSTEM CONTAMINATION CLEANUPPR
Page 194 and 195:
REPLACING PRESSURE CONTROLS WITHOUT
Page 196 and 197:
Q270 Condenser Fan Motor Replacemen
Page 198 and 199:
MAX. 1300°F(700°C)SV30714. Apply
Page 200 and 201:
High Pressure Cutout (HPCO) Control
Page 202 and 203:
Page 204 and 205:
QM20 SELF-CONTAINED AIR-COOLEDNOTE:
Page 206 and 207:
QM45 SELF-CONTAINED AIR-COOLEDNOTE:
Page 208 and 209:
SM50 SELF-CONTAINED AIR-COOLEDNOTE:
Page 210 and 211:
Q130 SELF-CONTAINED AIR-COOLED(Afte
Page 212 and 213:
Q170 SELF-CONTAINED AIR-COOLEDNOTE:
Page 214 and 215:
Q210 SELF-CONTAINED WATER-COOLEDNOT
Page 216 and 217:
Q270 SELF-CONTAINED WATER-COOLEDNOT
Page 218 and 219:
QM20CAUTION: DISCONNECT POWER BEFOR
Page 220 and 221:
QM30230V/1 Ph/50 HzL1CAUTION: DISCO
Page 222 and 223:
SM50L1CAUTION: DISCONNECT POWER BEF
Page 224 and 225:
Q130/Q170/Q210Danfoss CompressorL1N
Page 226 and 227:
Q270Danfoss CompressorL1NOTE: DIAGR
Page 228 and 229:
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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Manitowoc

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