Manitowoc
Manitowoc Manitowoc
QM20 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending onoperating conditions.NOTE: The first cycle, at any temperature, will take upto three minutes longer.Cycle TimesFreeze Time + Harvest Time = Total Cycle TimeAir Temp.EnteringCondenserFreeze TimeWater Temperature °F/°C°F/°C 50/10 68/20 86/3068/20 15-18 16-19 16-1977/25 16-19 18-21 18-2186/30 20-23 21-24 21-2495/35 24-27 26-29 26-29HarvestTime1.5-3.5Times in minutes24-Hour Ice ProductionAir Temp.Water Temperature °F/°CEnteringCondenser50/10 68/20 86/30°F/°C lb kg lb kg lb kg68/20 46 21 42 19 37 1777/25 44 20 40 18 35 1686/30 40 18 37 17 33 1595/35 35 16 33 15 29 13Based on average ice slab weight of 0.46 – 0.60 lb (200 – 275 g)204 Part Number 80-01111-9 7/10
QM30 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending onoperating conditions.NOTE: The first cycle, at any temperature, will take upto three minutes longer.Cycle TimesFreeze Time + Harvest Time = Total Cycle TimeAir Temp.EnteringCondenserFreeze TimeWater Temperature °F/°C°F/°C50/10 95/35 104/4070/21 9.1-12.9 9.4-13.4 10.2-14.580/27 10.0-14.2 10.5-14.8 11.4-16.190/32 10.9-15.4 11.4-16.1 12.6-17.7100/38 12.3-17.3 12.9-18.1 14.3-20.1Times in minutes24-Hour Ice ProductionHarvestTime1.25-3.25Air Temp.EnteringCondenser°F/°CWater Temperature °F/°C50/10 70/21 90/3270/21 60 58 5480/27 55 53 4990/32 51 49 45100/38 46 44 40Based on ice slab weight of .44 – .60 lb (200 – 275 g)Part Number 80-01111-9 7/10 205
- 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: This Page Intentionally Left Blank2
- 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: This Page Intentionally Left Blank2
QM20 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending onoperating conditions.NOTE: The first cycle, at any temperature, will take upto three minutes longer.Cycle TimesFreeze Time + Harvest Time = Total Cycle TimeAir Temp.EnteringCondenserFreeze TimeWater Temperature °F/°C°F/°C 50/10 68/20 86/3068/20 15-18 16-19 16-1977/25 16-19 18-21 18-2186/30 20-23 21-24 21-2495/35 24-27 26-29 26-29HarvestTime1.5-3.5Times in minutes24-Hour Ice ProductionAir Temp.Water Temperature °F/°CEnteringCondenser50/10 68/20 86/30°F/°C lb kg lb kg lb kg68/20 46 21 42 19 37 1777/25 44 20 40 18 35 1686/30 40 18 37 17 33 1595/35 35 16 33 15 29 13Based on average ice slab weight of 0.46 – 0.60 lb (200 – 275 g)204 Part Number 80-01111-9 7/10
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