Manitowoc Q130 Especificações

Technician’s HandbookThis manual is updated as new information and models are released. Visit our website for the latest manual. www.manitowocice.comA

10 Part Number 80-01111-9 7/10CHARTSCycle Times, 24 Hr. Ice Production and Refrigerant Pressure Charts . . . . . . . . . . 203QM20 Self-contained Air-

100 Part Number 80-01111-9 7/10DIAGNOSING ICE THICKNESS CONTROL CIRCUITRYIce Machine Does Not Cycle Into Harvest when Water Contacts the Ice Thickness

Part Number 80-01111-9 7/10 101Step 3 Disconnect the ice thickness probe from thecontrol board terminal. Clip the jumper wire to the terminal on the

102 Part Number 80-01111-9 7/10Ice Machine Cycles Into Harvest Before Water Contact with the Ice Thickness ProbeStep 1 Bypass the freeze time lock-i

Part Number 80-01111-9 7/10 103ICE PRODUCTION CHECKThe amount of ice a machine produces directly relates to the operating water and air temperatures.

104 Part Number 80-01111-9 7/10INSTALLATION AND VISUAL INSPECTION CHECKLISTIce machine is not level• Level the ice machineCondenser is dirty• Clean th

Part Number 80-01111-9 7/10 105WATER SYSTEM CHECKLISTA water-related problem often causes the same symptoms as a refrigeration system component malfun

106 Part Number 80-01111-9 7/10ICE FORMATION PATTERNEvaporator ice formation pattern analysis is helpful in ice machine diagnostics.Analyzing the ice

Part Number 80-01111-9 7/10 107Extremely Thin at Evaporator OutletThere is no ice, or a considerable lack of ice formation on the outlet of the evapor

108 Part Number 80-01111-9 7/10SAFETY LIMIT FEATUREIn addition to the standard safety controls, your Manitowoc ice machine features built-in safety li

Part Number 80-01111-9 7/10 109Safety LimitsIn addition to standard safety controls, the control board has two built in safety limit controls which pr

Part Number 80-01111-9 7/10 11General InformationModel NumbersThis manual covers the following models: *QM Models – the suffix E represents 230 volt/1

110 Part Number 80-01111-9 7/10Safety Limit Notes• A safety limit indication is completed before the water pump starts. Water contacting the ice thick

Part Number 80-01111-9 7/10 111ANALYZING WHY SAFETY LIMITS MAY STOP THE ICE MACHINEAccording to the refrigeration industry, a high percentage of compr

112 Part Number 80-01111-9 7/10Safety Limit ChecklistThe following checklists are designed to assist the service technician in analysis. However, beca

Part Number 80-01111-9 7/10 113Refrigeration System• Non-Manitowoc components• Improper refrigerant charge• Defective compressor• TXV starving or floo

114 Part Number 80-01111-9 7/10Safety Limit #2Harvest time exceeds 3.5 minutes for 6 Consecutive harvest cycles.Possible Cause ChecklistImproper insta

Part Number 80-01111-9 7/10 115ANALYZING DISCHARGE PRESSURE Q130/Q170/Q210/Q270 Ice Machines Only1. Determine the ice machine operating conditions:Air

116 Part Number 80-01111-9 7/10Discharge Pressure High ChecklistImproper Installation• Refer to “Installation and Visual Inspection Checklist” on page

Part Number 80-01111-9 7/10 117ANALYZING SUCTION PRESSURE Q130/Q170/Q210/Q270 Ice Machines OnlyThe suction pressure gradually drops throughout the fre

118 Part Number 80-01111-9 7/10ProcedureStep1. Determine the ice machine operating conditions.Example:Air temp. entering condenser: 90°F/32.2°CAir tem

Part Number 80-01111-9 7/10 119Suction Pressure High ChecklistImproper Installation• Refer to “Installation and Visual Inspection Checklist” on page 1

12 Part Number 80-01111-9 7/10How to Read a Model NumberAccessoriesContact your Manitowoc distributor for these optional accessories:BIN CASTERReplace

120 Part Number 80-01111-9 7/10Suction Pressure Low ChecklistImproper Installation• Refer to “Installation and Visual Inspection Checklist” on page 10

Part Number 80-01111-9 7/10 121HOT GAS VALVEGeneralThe hot gas valve is an electrically operated valve that opens when energized, and closes when de-e

122 Part Number 80-01111-9 7/10Hot Gas Valve AnalysisThe valve can fail in two positions:• Valve will not open in the harvest cycle.• Valve remains op

Part Number 80-01111-9 7/10 123Use the following procedure and table to help determine if a hot gas valve is remaining partially open during the freez

124 Part Number 80-01111-9 7/105. Record your findings on the table.Findings CommentsThe inlet of the harvest valve is cool enough to touch and the co

Part Number 80-01111-9 7/10 125COMPARING EVAPORATOR INLET/OUTLET TEMPERATURESQ130/Q170/Q210/Q270 Ice Machines OnlyThe temperatures of the suction line

126 Part Number 80-01111-9 7/10DISCHARGE LINE TEMPERATURE ANALYSISQ130/Q170/Q210/Q270 Ice Machines OnlyGENERALKnowing if the discharge line temperatur

Part Number 80-01111-9 7/10 127Discharge Line Temperature Above 150°F (66°C) at End of Freeze Cycle:Ice machines that are operating normally will have

128 Part Number 80-01111-9 7/10REFRIGERATION COMPONENT DIAGNOSTIC CHARTQ130/Q170/Q210/Q270 Ice Machines OnlyAll electrical and water related problems

Part Number 80-01111-9 7/10 129PROCEDUREStep 1 Complete each item individually in the “Operational Analysis” column. Enter check marks (✓) in the boxe

Part Number 80-01111-9 7/10 13NOTE: The Manitowoc Automatic Cleaning System (AuCS®) accessory cannot be used with Undercounter ice machines SM50, QM20

130 Part Number 80-01111-9 7/10FINAL ANALYSISThe column with the highest number of check marks identifies the refrigeration problem.Column 1 – Hot Gas

Part Number 80-01111-9 7/10 131REFRIGERATION COMPONENT DIAGNOSTIC CHARTQ130/Q170/Q210/Q270 Ice Machines Only4Published 24 hour ice production ________

132 Part Number 80-01111-9 7/10Q130/Q170/Q210/Q270 Ice Machines Only (continued)4Stops on safety limit:1If discharge pressure is High or Low, refer to

Part Number 80-01111-9 7/10 133Q130/Q170/Q210/Q270 Ice Machines Only (continued)4The hot gas valve inlet is COOLandThe compressor discharge line is HO

134 Part Number 80-01111-9 7/10QM20/QM30DIAGNOSING AN ICE MACHINE THAT WILL NOT RUN1. Verify primary voltage is supplied to ice machine.2. Verify that

Part Number 80-01111-9 7/10 135REFRIGERATION DIAGNOSTICSQM20The QM20 ice machines have a very small refrigerant charge, 4.59 oz (130 g) and we do not

136 Part Number 80-01111-9 7/10QM30The QM30 ice machines have a very small refrigerant charge, 5.78 oz (165 g) and we do not recommend diagnosing the

Part Number 80-01111-9 7/10 137ICE FORMATION PATTERNEvaporator ice formation pattern analysis is helpful in ice machine diagnostics.Analyzing the ice

138 Part Number 80-01111-9 7/10Ice Production CheckThe QM20/QM30 dice ice cube formation is slightly different from our previous models. Manitowoc ice

Part Number 80-01111-9 7/10 139QM45 ELECTRICAL The QM45 electrical sequence of Operation and troubleshooting is identical to the Q130/Q210/Q270. Refer

14 Part Number 80-01111-9 7/10Model/Serial Number LocationThe model and serial numbers are required when requesting information from your local Manito

140 Part Number 80-01111-9 7/10REFRIGERATION DIAGNOSTICS Important:• DO NOT install a manifold gauge set on the ice machine! Refrigerant pressures are

Part Number 80-01111-9 7/10 1413. Verify that the ice thickness probe is properly adjusted.Ice Thickness Adjustment4. Verify that the machine has prop

142 Part Number 80-01111-9 7/105. Install thermometer thermocouples on Suction and Discharge line:• Digital thermometers with remote thermocouples mus

Part Number 80-01111-9 7/10 143FLOODING EXPANSION VALVEA flooding expansion valve will have discharge and suction line temperatures 20°F (-7°C) lower

144 Part Number 80-01111-9 7/10SM50DIAGNOSING AN ICE MACHINE THAT WILL NOT RUN1. Verify primary voltage is supplied to ice machine.2. Verify that the

Part Number 80-01111-9 7/10 145ICE MACHINE WILL NOT HARVEST1. Verify cubes are present in evaporator and freeze time exceeds freeze chart cycle time.•

146 Part Number 80-01111-9 7/10ICE QUALITY IS POOR — CUBES ARE SHALLOW, INCOMPLETE OR WHITEIce machine is dirty• Clean and sanitize the ice machineWat

Part Number 80-01111-9 7/10 147FREEZE CYCLE IS LONG, LOW ICE PRODUCTIONWater temperature is too high• Connect to a cold water supply, verify check val

148 Part Number 80-01111-9 7/10ICE MACHINE RUNS AND NO ICE IS PRODUCEDNo water to ice machine• Correct water supplyIncorrect incoming water pressure•

Part Number 80-01111-9 7/10 149ANALYZING DISCHARGE PRESSURE 1. Determine the ice machine operating conditions:Air temp. entering condenser ______Air t

Part Number 80-01111-9 7/10 15QM20/QM30QM45MODEL/SERIAL NUMBER PLATEMODEL/SERIAL NUMBER PLATESV1599MODEL/SERIAL NUMBER PLATEMODEL/SERIAL NUMBER PLATES

150 Part Number 80-01111-9 7/10DISCHARGE PRESSURE HIGH CHECKLISTImproper Installation• Refer to“Installation and Visual Inspection Checklist” on page

Part Number 80-01111-9 7/10 151ANALYZING SUCTION PRESSUREThe suction pressure gradually drops throughout the freeze cycle. The actual suction pressure

152 Part Number 80-01111-9 7/10ProcedureStep1. Determine the ice machine operating conditions.Example:Air temp. entering condenser: 90°F/32.2°CAir tem

Part Number 80-01111-9 7/10 153Suction Pressure High ChecklistImproper Installation• Refer to “Installation and Visual Inspection Checklist” on page 1

154 Part Number 80-01111-9 7/10Other• Non-Manitowoc components in system• Improper water supply over evaporator refer to “Water System Checklist” on p

Part Number 80-01111-9 7/10 155Hot Gas Valve AnalysisThe valve can fail in two positions:• Valve will not open in the harvest cycle.• Valve remains op

156 Part Number 80-01111-9 7/105. Record your findings on the table.Findings CommentsThe inlet of the harvest valve is cool enough to touch and the co

Part Number 80-01111-9 7/10 157Ice Production Check The amount of ice a machine produces directly relates to the operating water and air temperatures.

158 Part Number 80-01111-9 7/10ADJUSTING CUBE WEIGHTThe cube weight can be increased from the factory setting by adjusting the finish time.ADDITIONAL

Part Number 80-01111-9 7/10 159Component Check ProceduresMain FuseFUNCTIONThe control board fuse stops ice machine operation if electrical components

16 Part Number 80-01111-9 7/10SM50MODEL/SERIAL NUMBER PLATE

160 Part Number 80-01111-9 7/10Bin SwitchQM45/Q130/Q170/Q210/Q270FunctionBin switch operation is controlled by the movement of the ice damper. The bin

Part Number 80-01111-9 7/10 161Ohm Test1. Disconnect the bin switch wires to isolate the bin switch from the control board.2. Connect an ohmmeter to t

162 Part Number 80-01111-9 7/10Bin Switch Removal — QM45/Q1301. Disconnect power to the ice machine at service disconnect.2. Disconnect bin switch wir

Part Number 80-01111-9 7/10 163Bin Switch Removal — Q170/Q210/Q2701. Disconnect power to the ice machine at service disconnect.2. Disconnect bin switc

164 Part Number 80-01111-9 7/10Bin ThermostatQM20/QM30FunctionThe bin thermostat stops the ice machine when the bin is full.The level of ice in the ic

Part Number 80-01111-9 7/10 1651. Remove the back panel to access the bin thermostat.2. Disconnect both wires #12 and #1 from the bin thermostat and c

166 Part Number 80-01111-9 7/10SM50FunctionThe bin thermostat stops the ice machine when the bin is full. It is preset for normal ambient temperatures

Part Number 80-01111-9 7/10 167AdjustingIf the ice machine stops before the bin is full or runs after the bin is full, ambient temperatures are probab

168 Part Number 80-01111-9 7/10Check Procedure1. Verify the capillary tube is inserted correctly in the bulb holder (17"/43 cm).2. Remove the 2 b

Part Number 80-01111-9 7/10 169Liquid Line ThermistorQM20/QM30/SM50FunctionThe liquid line thermistor senses the refrigeration system liquid line temp

Part Number 80-01111-9 7/10 17Ice Machine Warranty InformationOWNER WARRANTY REGISTRATION CARDGeneralWarranty coverage begins the day the ice machine

170 Part Number 80-01111-9 7/10Temperature/Resistance ChartAs the temperature rises at the thermistor block, the resistance drops.ImportantIf the ohmm

Part Number 80-01111-9 7/10 171Diagnosing Start ComponentsIf the compressor attempts to start, or hums and trips the overload protector, check the sta

172 Part Number 80-01111-9 7/10ON/OFF/WASH Toggle SwitchFUNCTIONThe switch is used to place the ice machine in ON, OFF or WASH mode of operation.SPECI

Part Number 80-01111-9 7/10 173QM45/Q130/Q170/Q210/Q270Replace the toggle switch if ohm readings do not match all three-switch settings.QM20/QM30Repla

174 Part Number 80-01111-9 7/10Ice Thickness ProbeQM45/Q130/Q170/Q210/Q270How The Probe WorksManitowoc’s electronic sensing circuit does not rely on r

Part Number 80-01111-9 7/10 175ICE THICKNESS CHECKThe ice thickness probe is factory-set to maintain the ice bridge thickness at 1/8" (3.2 mm).NO

176 Part Number 80-01111-9 7/10Compressor Electrical DiagnosticsThe compressor does not start or will trip repeatedly on overload.CHECK RESISTANCE (OH

Part Number 80-01111-9 7/10 177COMPRESSOR DRAWING LOCKED ROTORThe two likely causes of this are:• Defective starting component• Mechanically seized co

178 Part Number 80-01111-9 7/10Fan Cycle ControlQM45/Q130/Q170/Q210/Q270FunctionCycles the fan motor on and off to maintain proper operating discharge

Part Number 80-01111-9 7/10 179High Pressure Cutout (HPCO) ControlQM45/Q130/Q170/Q210/Q270FunctionStops the ice machine if subjected to excessive high

18 Part Number 80-01111-9 7/10LaborQ130/Q170/Q210/Q2701. Labor required to repair or replace defective components is covered for three (3) years from

180 Part Number 80-01111-9 7/10Filter-DriersLIQUID LINE FILTER DRIERThe filter-drier used on Manitowoc ice machines are manufactured to Manitowoc spec

Part Number 80-01111-9 7/10 181Refrigerant Recovery/EvacuationDEFINITIONSRecoverTo remove refrigerant, in any condition, from a system and store it in

182 Part Number 80-01111-9 7/10REFRIGERANT RE-USE POLICYManitowoc recognizes and supports the need for proper handling, re-use, and disposal of CFC an

Part Number 80-01111-9 7/10 1834. Recovered refrigerant must come from a “contaminant-free” system. To decide whether the system is contaminant free,

184 Part Number 80-01111-9 7/10RECOVERY AND RECHARGING PROCEDURES Q130/Q170/Q210/Q270Do not purge refrigerant to the atmosphere. Capture refrigerant u

Part Number 80-01111-9 7/10 185SELF-CONTAINED RECOVERY/EVACUATION1. Place the toggle switch in the OFF position.2. Install manifold gauges, charging c

186 Part Number 80-01111-9 7/10NOTE: Manifold gauges must be removed properly to ensure that no refrigerant contamination or loss occurs.8. Make sure

Part Number 80-01111-9 7/10 187QM20/QM30/QM45Do not purge refrigerant to the atmosphere. Capture refrigerant using recovery equipment. Follow the manu

188 Part Number 80-01111-9 7/10RECOVERY/EVACUATION1. Place the toggle switch in the OFF position.2. Install manifold gauges, charging scale, and recov

Part Number 80-01111-9 7/10 189CHARGING PROCEDURES1. Be sure the toggle switch is in the OFF position.2. Close the vacuum pump valve and the low side

Part Number 80-01111-9 7/10 19Authorized Warranty ServiceTo comply with the provisions of the warranty, a refrigeration service company qualified and

190 Part Number 80-01111-9 7/10System Contamination CleanupGENERALThis section describes the basic requirements for restoring contaminated systems to

Part Number 80-01111-9 7/10 191Contamination/Cleanup ChartSymptoms/FindingsRequired Cleanup ProcedureNo symptoms or suspicion of contaminationNormal e

192 Part Number 80-01111-9 7/10MILD SYSTEM CONTAMINATION CLEANUP PROCEDURE1. Replace any failed components.2. If the compressor is good, change the oi

Part Number 80-01111-9 7/10 193SEVERE SYSTEM CONTAMINATION CLEANUP PROCEDURE1. Remove the refrigerant charge.2. Remove the compressor.3. Disassemble t

194 Part Number 80-01111-9 7/10REPLACING PRESSURE CONTROLS WITHOUT REMOVING REFRIGERANT CHARGEThis procedure reduces repair time and cost. Use it when

Part Number 80-01111-9 7/10 195Using Pinch Off ToolSV1406FIG. A - “PINCHING OFF” TUBINGFIG. B - RE-ROUNDING TUBING

196 Part Number 80-01111-9 7/10Q270 Condenser Fan Motor ReplacementAccess to remove, clean or replace the condenser fan/motor can be obtained by perfo

Part Number 80-01111-9 7/10 197Brazing Procedures for Danfoss Solenoid Valves• Danfoss stainless steel solenoid valves require a slightly different br

198 Part Number 80-01111-9 7/104. Apply heat to copper tubing first and move flame toward valve socket. A. Heat copper tubing for approximately 10 to

Part Number 80-01111-9 7/10 199Component SpecificationsMain FuseBin SwitchQM45/Q130/Q170/Q210/Q270Bin switch operation is controlled by the movement o

20 Part Number 80-01111-9 7/10RESIDENTIAL WARRANTY COVERAGEWhat Does this Limited Warranty Cover?Subject to the exclusions and limitations below, Mani

200 Part Number 80-01111-9 7/10High Pressure Cutout (HPCO) ControlFilter-DriersDrier with dirt-retaining filtration.Liquid Line ThermistorQM20/QM30/SM

Part Number 80-01111-9 7/10 201Total System Refrigerant ChargeImportantThis information is for reference only. Refer to the ice machine serial number

202 Part Number 80-01111-9 7/10This Page Intentionally Left Blank

Part Number 80-01111-9 7/10 203ChartsCycle Times, 24 Hr. Ice Production and Refrigerant Pressure ChartsThese charts are used as guidelines to verify c

204 Part Number 80-01111-9 7/10QM20 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending on operating conditions.NOTE: The first cy

Part Number 80-01111-9 7/10 205QM30 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending on operating conditions.NOTE: The first cy

206 Part Number 80-01111-9 7/10QM45 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending on operating conditions.NOTE: The first cy

Part Number 80-01111-9 7/10 207QM45 OPERATING TEMPERATURESNOTE: Suction temp drops gradually throughout the freeze cycle.50°F (10°C) Water70°F (21°C)

208 Part Number 80-01111-9 7/10SM50 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending on operating conditions.Cycle TimesFreeze

Part Number 80-01111-9 7/10 209Q130 SELF-CONTAINED AIR-COOLED (Before Serial Number 310047287)NOTE: These characteristics may vary depending on opera

Part Number 80-01111-9 7/10 21What Is Not Covered?This limited warranty does cover, and you are solely responsible for the costs of: (1) periodic or r

210 Part Number 80-01111-9 7/10Q130 SELF-CONTAINED AIR-COOLED(After Serial Number 310047287)NOTE: These characteristics may vary depending on operati

Part Number 80-01111-9 7/10 211Q130 SELF-CONTAINED WATER-COOLEDNOTE: These characteristics may vary depending on operating conditions.Cycle TimesFreez

212 Part Number 80-01111-9 7/10Q170 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending on operating conditions.NOTE: Data is prel

Part Number 80-01111-9 7/10 213Q210 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending on operating conditions.Cycle TimesFreeze

214 Part Number 80-01111-9 7/10Q210 SELF-CONTAINED WATER-COOLEDNOTE: These characteristics may vary depending on operating conditions.Cycle TimesFreez

Part Number 80-01111-9 7/10 215Q270 SELF-CONTAINED AIR-COOLEDNOTE: These characteristics may vary depending on operating conditions.Cycle TimesFreeze

216 Part Number 80-01111-9 7/10Q270 SELF-CONTAINED WATER-COOLEDNOTE: These characteristics may vary depending on operating conditions.Cycle TimesFreez

Part Number 80-01111-9 7/10 217DiagramsWiring DiagramsThe following pages contain electrical wiring diagrams Be sure you are referring to the correct

218 Part Number 80-01111-9 7/10QM20THERMISTORCONTROL BOARDLIGHTICE THICKNESS ADJUSTMENT DIALCOMPRESSORFAN MOTOR (AIR COOLED ONLY)WATER PUMPHOT GAS SOL

Part Number 80-01111-9 7/10 219QM30115V/1 Ph/60 HzTHERMISTORCONTROL BOARDLIGHTCOMPRESSOR RELAY CONTACTSCOMPRESSORFAN MOTOR (AIR COOLED ONLY)WATER PUMP

22 Part Number 80-01111-9 7/10How State Law Applies This limited warranty gives you specific legal rights, and you may also have rights that vary from

220 Part Number 80-01111-9 7/10QM30230V/1 Ph/50 Hz SV1773THERMISTORCONTROL BOARDLIGHTICE THICKNESS ADJUSTMENT DIALCOMPRESSORFAN MOTOR (AIR COOLED ONLY

Part Number 80-01111-9 7/10 221QM45CONTACTOR CONTACTSCONTROL BOARDHARVEST LIGHTICE THICKNESS PROBECOMPRESSORFAN MOTOR WATER PUMPHOT GAS SOLENOIDOVERLO

222 Part Number 80-01111-9 7/10SM50THERM-ISTORCONTROL BOARDBIN LIGHTCOMPRESSORWATER INLETHOT GAS SOLENOIDSTART RELAYSTART CAPACITORBIN THERMO-STATL1FU

Part Number 80-01111-9 7/10 223Q130/Q210Tecumseh CompressorCONTROL BOARDBIN SWITCH LIGHTICE THICKNESS PROBECOMPRESSORFAN MOTOR (AIR COOLED ONLY)OVERLO

224 Part Number 80-01111-9 7/10Q130/Q170/Q210Danfoss CompressorCONTROL BOARDBIN SWITCH LIGHTICE THICKNESS PROBEOVERLOAD PROTECTORFAN MOTOR (AIR COOLED

Part Number 80-01111-9 7/10 225Q270Tecumseh CompressorSV1777CONTROL BOARDBIN SWITCH LIGHT (GREEN)ICE THICKNESS PROBECOMPRESSORFAN MOTOR (AIR COOLED ON

226 Part Number 80-01111-9 7/10Q270Danfoss CompressorCONTROL BOARDBIN SWITCH LIGHT (GREEN)ICE THICKNESS PROBEFAN MOTOR (AIR COOLED ONLY)COMPRESSORHOT

Part Number 80-01111-9 7/10 227Electronic Control BoardsQM20/QM30-201234-1-3-5-4LIQUID LINE THERMISTOR CONNECTIONICE BRIDGE THICKNESS CONTROLPOWER LIG

228 Part Number 80-01111-9 7/10QM45/Q130/Q170/Q210/Q270ICE THICKNESS PROBEDC LOW VOLTAGE ELECTRICAL PLUGBIN SWITCH LIGHT10 AMP FUSEHARVEST LIGHTAC LIN

Part Number 80-01111-9 7/10 229SM50FUSE (7A)TRANSFORMERBIN LIGHT CONNECTIONDISPLAY BOARD CONNECTIONTHERMISTORBIN LIGHT SWITCHBIN THERMOSTAT CONNECTION

Part Number 80-01111-9 7/10 23InstallationLocation of Ice MachineThe location selected for the ice machine must meet the following criteria. If any of

230 Part Number 80-01111-9 7/10Tubing Schematics QM20/QM30 Tubing SchematicSV3022HEAT EXCHANGERCAP TUBECOMPRESSORDRIEREVAPORATORHOT GAS SOLENOID VALVE

Part Number 80-01111-9 7/10 231QM45/Q130 Tubing SchematicSV3024HEAT EXCHANGERSTRAINERCOMPRESSORDRIEREVAPORATORHOT GAS SOLENOIDAIR OR WATER CONDENSEREX

232 Part Number 80-01111-9 7/10SM50 Tubing SchematicHEAT EXCHANGERCOMPRESSORDRIEREVAPORATORHOT GAS SOLENOID VALVECONDENSERCAP TUBE

Part Number 80-01111-9 7/10 233Q170/Q210/Q270 Tubing SchematicSV3023HEAT EXCHANGERSTRAINERCOMPRESSORDRIEREVAPORATORHOT GAS SOLENOID VALVEAIR OR WATER

234 Part Number 80-01111-9 7/10This Page Intentionally Left Blank

Manitowoc Foodservice2110 South 26th Street, P.O. Box 1720Manitowoc, WI 54221-1720, USAPh: 920-682-0161 Fax: 920-683-7589Visit us online at: www.mani

24 Part Number 80-01111-9 7/10Ice Machine Clearance Requirements*NOTE: The ice machine may be built into a cabinet.There is no minimum clearance requi

Part Number 80-01111-9 7/10 25Leveling the Ice MachineQM45/Q130/Q170/Q210/Q2701. Screw the leveling legs onto the bottom of the ice machine.2. Screw t

26 Part Number 80-01111-9 7/10SM50/QM20/QM30After moving the ice machine into the installation location, it must be leveled for proper operation. Foll

Part Number 80-01111-9 7/10 27Electrical RequirementsVOLTAGEThe maximum allowable voltage variation is ±10% of the rated voltage on the ice machine mo

28 Part Number 80-01111-9 7/10Electrical SpecificationsQ130/Q170/Q210/Q270 Air-cooled Ice MachineIce MachineVoltage Phase CycleMax. Fuse/Circuit Break

Part Number 80-01111-9 7/10 29Q130/Q210/Q270 Water-cooled Ice MachineIce MachineVoltage Phase CycleMax. Fuse/Circuit BreakerTotal AmpsQ130(Before Seri

Safety NoticesAs you work on Manitowoc equipment, be sure to pay close attention to the safety notices in this handbook. Disregarding the notices may

30 Part Number 80-01111-9 7/10QM20/QM30/QM45 Air-cooled Ice MachineSM50 Air-cooled Ice MachineIce MachineVoltage Phase CycleMax. Fuse/Circuit BreakerT

Part Number 80-01111-9 7/10 31Water Service/DrainsWATER SUPPLYLocal water conditions may require treatment of the water to inhibit scale formation, fi

32 Part Number 80-01111-9 7/10COOLING TOWER APPLICATIONSWater Cooled Models OnlyA water-cooling tower installation does not require modification of th

Part Number 80-01111-9 7/10 33WATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONS QM45/Q130/Q170/Q210/Q270Tubing Size Up to Ice Machine Fitting3/8" (9

34 Part Number 80-01111-9 7/10QM20/QM30Tubing Size Up to Ice Machine Fitting3/8" (.95 cm) min. inside diameter5/8" (1.59 cm) min. inside dia

Part Number 80-01111-9 7/10 35SM50Tubing Size Up to Ice Machine Fitting1/4" (.64 cm) min. inside diameter3/4" (1.9 cm) min. inside diameter

36 Part Number 80-01111-9 7/10This Page Intentionally Left Blank

Part Number 80-01111-9 7/10 37Component IdentificationQM45/Q130/Q170/Q210/Q270Evaporator CompartmentICE THICKNESS PROBEDISTRIBUTION TUBE (Q210/Q270 SH

38 Part Number 80-01111-9 7/10QM45/Q130/Q170/Q210 Ice MachinesQ270 Ice MachinesON/OFF/WASH TOG GLE SWITCHCONDENSER AIR FILTERCOMPRESSOR COMPARTMENT A

Part Number 80-01111-9 7/10 39QM20/QM30WATER DISTRIBUTION TUBEWATER PUMP OUTLET HOSEWATER PUMP AND BRACKET ASSEMBLYEVAPORATOR ASSEMBLYWATER TROUGHOV

Read These Before Proceeding:!CautionProper inst allation, care and maintenance are essential for maxi mum performance and troubl e-free ope ration o

40 Part Number 80-01111-9 7/10QM20 Ice MachinesQM30 Ice MachinesSV1711ON/OFF/WASH TOG GL E SWITCHSV1681AON/OFF/WASH TOG GL E SWITCHCONDENSER AIR FILTE

Part Number 80-01111-9 7/10 41SM50CONTROL PANELEVAPORATOR COMPARTMENTWATER FILTERGRILLBIN LIGHTWATER SHUTTERSBIN THERMOSTATBINWATER PUMPELECTRICALDRAI

42 Part Number 80-01111-9 7/10WATER PUMPEVAPORATORWATER SHUTTER ASSEMBLYNOTE: EVAPORATOR REMOVED FOR CLARITYEVAPORATOR BUCKETCONTROL BOARDWATER SHUTTE

Part Number 80-01111-9 7/10 43MaintenanceIce Machine InspectionCheck all water fittings and lines for leaks. Also, make sure the refrigeration tubing

44 Part Number 80-01111-9 7/10AIR-COOLED CONDENSER A dirty condenser restricts airflow, resulting in excessively high operating temperatures. This red

Part Number 80-01111-9 7/10 45QM45/Q130/Q170/Q210/Q270INTERIOR CLEANING AND SANITIZINGGeneralClean and sanitize the ice machine every six months for e

46 Part Number 80-01111-9 7/10Step 1 Set the toggle switch to the OFF position after ice falls from the evaporator at the end of a Harvest cycle. Or

Part Number 80-01111-9 7/10 47Step 6 Remove parts for cleaning.A. Remove Two Thumbscrews and Water Pump Cover (When Used).B. Remove the Vinyl Hose C

48 Part Number 80-01111-9 7/10D. Remove the Ice Thickness Probe• Compress the side of the ice thickness probe near the top hinge pin and remove it fro

Part Number 80-01111-9 7/10 49E. Remove the Water Distribution TubeQ170/Q210/Q270 ModelsQ170/Q210/Q270 Water Distribution Tube Removal• Loosen the two

Part Number 80-01111-9 7/10 5Table of ContentsGENERAL INFORMATIONModel Numbers . . . . . . . . . . . . . . . . . . . . . 11How to Read a Model Number

50 Part Number 80-01111-9 7/10Disassembly• Twist both of the inner tube ends until the tabs line up with the keyways.• Pull the inner tube ends outwar

Part Number 80-01111-9 7/10 51Q130 ModelsQ130 Water Distribution Tube Removal• Loosen the two thumbscrews, which secure the distribution tube.• Lift t

52 Part Number 80-01111-9 7/10F. Remove the Float Valve• Turn the splash shield counterclockwise one or two turns.FLOAT VALVE REMOVAL• Pull the float

Part Number 80-01111-9 7/10 53G. Remove the Water Trough• Apply downward pressure on the siphon tube and remove from the bottom of the water trough.•

54 Part Number 80-01111-9 7/10H. Remove the ice damper.Q130• Grasp left side of ice damper and apply pressure against the right-hand ice damper mounti

Part Number 80-01111-9 7/10 55• Grasp ice damper and apply pressure toward the left hand mounting bracket.• Apply pressure to the right hand mounting

56 Part Number 80-01111-9 7/10I. Remove the Bin Door• Grasp the rear of the bin door and pull bin door forward approximately 5".• Slide bin door

Part Number 80-01111-9 7/10 57Step 7 Mix a solution of cleaner and warm water. Depending on the amount of mineral buildup, a larger quantity of solu

58 Part Number 80-01111-9 7/10Step 12 Use 1/2 of the sanitizer/water solution to sanitize all foodzone surfaces of the ice machine and bin. Use a cl

Part Number 80-01111-9 7/10 59Step 18 Use 1/2 of the sanitizer/water solution to sanitize all removed components. Use a cloth or sponge to liberally

6 Part Number 80-01111-9 7/10Cleaning the Condenser . . . . . . . . . . . . . 43Air-cooled Condenser . . . . . . . . . . . . . 44Water-cooled Condens

60 Part Number 80-01111-9 7/10QM20/QM30CLEANING AND SANITIZING PROCEDUREIce machine cleaner is used to remove lime scale and mineral deposits. Ice mac

Part Number 80-01111-9 7/10 61Step 1 Set the toggle switch to the OFF position after ice falls from the evaporator at the end of a Harvest cycle. Or

62 Part Number 80-01111-9 7/10Step 6 Remove parts for cleaning.A. Remove the Overflow Tube• To remove the tube, lift it up while using a slight back

Part Number 80-01111-9 7/10 63C. Remove the Water Pump• Disconnect the water pump power cord.• Loosen the screws that hold the water pump in place.• L

64 Part Number 80-01111-9 7/10Step 7 Mix a solution of cleaner and warm water. Depending on the amount of mineral buildup, a larger quantity of solu

Part Number 80-01111-9 7/10 65Step 12 Use half of the sanitizer/water solution to sanitize all foodzone surfaces of the ice machine and bin. Use a c

66 Part Number 80-01111-9 7/10Step 20 Use half of the sanitizer/water solution to sanitize all foodzone surfaces of the ice machine and bin. Use a c

Part Number 80-01111-9 7/10 67SM50CLEANING PROCEDURESM50 uses a tin plated evaporator. Do not use standard cleaner, use only 000000084 cleaner for thi

68 Part Number 80-01111-9 7/104. Wait until the Clean light flashes (3 minutes) then add 3 oz of Manitowoc cleaner by lifting the water shutter and po

Part Number 80-01111-9 7/10 693. While components are soaking, use nylon brush or cloth to sanitize the inside of ice bin. Sanitize inside of door, do

Part Number 80-01111-9 7/10 7TROUBLESHOOTINGQM45/Q130/Q170/Q210/Q270 . . . . . . . . . 99Diagnosing an Ice Machine that Will Not Run . . . . . . .

70 Part Number 80-01111-9 7/10WATER SHUTTERSThe water shutter is designed to keep the spraying water from escaping the evaporator compartment.To remov

Part Number 80-01111-9 7/10 71ICE CHUTEThe ice chute is positioned over the spray nozzles and allows the ice to easily fall into the bin. It must be f

72 Part Number 80-01111-9 7/10SUMP DRAIN OVERFLOW TUBE1. Remove clamp.2. Pull down to remove overflow tube and tubing as an assembly. The sump trough

Part Number 80-01111-9 7/10 73WATER TROUGH1. Depress tabs on right and left side of the water trough.2. Allow front of water trough to drop as you pul

74 Part Number 80-01111-9 7/10SPRAY BAR, WATER PUMP AND HOSERemove spray bar clamp and spray bar.1. Grasp pump and pull straight down until water pump

Part Number 80-01111-9 7/10 75SPRAY BAR DISASSEMBLYThe spray bar supplies water to the individual ice making cups. Water from the water pump sprays th

76 Part Number 80-01111-9 7/106. Soak the removed part(s) in a properly mixed solution.7. Use a soft-bristle brush or sponge (NOT a wire brush) to car

Part Number 80-01111-9 7/10 77Removal from Service/WinterizationGENERALSpecial precautions must be taken if the ice machine is to be removed from serv

78 Part Number 80-01111-9 7/10WATER-COOLED ICE MACHINES1. Perform steps 1-6 under “Self-contained Air-cooled Ice Machines” on page 77.2. Disconnect th

Part Number 80-01111-9 7/10 79OperationQM45/Q130/Q170/Q210/Q270INITIAL START-UP OR START-UP AFTER AUTOMATIC SHUT-OFF1. Pressure EqualizationBefore the

8 Part Number 80-01111-9 7/10Freeze Cycle Is Long, Low Ice Production . . . . . . . . . . . . . . . . . . . . . 147Ice Machine Runs and No Ice Is

80 Part Number 80-01111-9 7/10HARVEST SEQUENCE5. HarvestThe water pump de-energizes stopping flow over the evaporator. The rising level of water in th

Part Number 80-01111-9 7/10 81ENERGIZED PARTS CHARTQ130/Q170/Q210/Q270/QM45Self-Contained Ice Machines* Condenser Fan Motor: The fan motor is wired t

82 Part Number 80-01111-9 7/10Length of TimeBin switch activationUntil bin switchre-closesRelay3BCondenser Fan Motor*onoff3ACompressoronoffControl Boa

Part Number 80-01111-9 7/10 83QM20/QM30INITIAL START-UP OR START-UP AFTER AUTOMATIC SHUT-OFF1. Water PurgeThe water fill valve and the hot gas valve a

84 Part Number 80-01111-9 7/10HARVEST SEQUENCE4. Harvest CycleThe condenser fan motor and water pump de-energize. The water fill valve energizes to pu

Part Number 80-01111-9 7/10 85ENERGIZED PARTS CHARTQM20/QM30Self-Contained Ice MachinesLength of “ON” Time2.9 minutes(175 seconds)5 secondsAutomatica

86 Part Number 80-01111-9 7/10SM50INITIAL START-UP OR START-UP AFTER AUTOMATIC SHUT-OFFSequence of OperationBin thermostat and the optional drain pump

Part Number 80-01111-9 7/10 874. HarvestThe water pump de-energizes and the water inlet valve energizes to assist harvest and refill the water sump. T

88 Part Number 80-01111-9 7/10ENERGIZED PARTS CHARTSM50Self-contained Ice Machines* Liquid line thermistor determines the length of the freeze and ha

Part Number 80-01111-9 7/10 89Operational ChecksQM45/Q130/Q170/Q210/Q270Siphon SystemTo reduce mineral build-up and cleaning frequency, the water in t

Part Number 80-01111-9 7/10 9High Pressure Cutout (HPCO) Control . . 179QM45/Q130/Q170/Q210/Q270 . . . . . . 179Filter-Driers . . . . . . . . . . .

90 Part Number 80-01111-9 7/10Water Level CheckThe float valve is factory-set for the proper water level. If adjustments are necessary:1. Verify the i

Part Number 80-01111-9 7/10 91Ice Thickness Adjustment2. Make sure the ice thickness probe wire and bracket does not restrict movement of the probe.1/

92 Part Number 80-01111-9 7/10QM20/QM30Routine adjustments and maintenance procedures outlined in this manual are not covered by the warranty.Water In

Part Number 80-01111-9 7/10 93Ice Thickness CheckQM20/QM30 dice ice cube formation is slightly different from our previous models. Manitowoc ice machi

94 Part Number 80-01111-9 7/105. Remove the two screws holding the front panel in place and remove the front cover.6. Locate the ice thickness control

Part Number 80-01111-9 7/10 95SM50Routine adjustments and maintenance procedures outlined in this manual are not covered by the warrantyWater Inlet Va

96 Part Number 80-01111-9 7/10Clean (Green)Pressing the “Clean” button will initiate a clean cycle and de-energize the “Automatic Ice Making” light. T

Part Number 80-01111-9 7/10 97Cube Weight AdjustmentThe cube weight can be increased from the factory setting by adjusting the finish time.ADDITIONAL

98 Part Number 80-01111-9 7/10This Page Intentionally Left Blank

Part Number 80-01111-9 7/10 99TroubleshootingQM45/Q130/Q170/Q210/Q270DIAGNOSING AN ICE MACHINE THAT WILL NOT RUN1. Verify primary voltage is supplied