Manitowoc MULTIPLEX 11M Spezifikationen

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

10 Part Number STH12 9/10How to Read a Model NumberICE/BEVERAGE MODEL NUMBERSAccessoriesDepending on store type and location, various optional equipme

100 Part Number STH12 9/10Problem Cross-reference GuideX - Specific problem listed in section R - Problem refer to from section with “X” CO2Carbonated

Part Number STH12 9/10 101CO2 Gas SystemOn units not equipped with Air Pump, check all Probable Causes listed below.QualifierProbable CauseCorrective

102 Part Number STH12 9/10Flat drinks (lack of carbonation in carbonated water)Primary Regulator (less than 500 psi [34.5 bar]).CO2 Supply exhausted (

Part Number STH12 9/10 103Flat drinks (lack of carbonation in carbonated water) (continued)Low Pressure CO2 Warning light or buzzer does not go OFF.Le

104 Part Number STH12 9/10Carbonated Water SystemQualifierProbable CauseCorrective ActionFlat drinksMalfunctioning of Refrigeration System.Beverages a

Part Number STH12 9/10 105Beverages at Dispensing Tower are below 40°F (5°C). (continued)Back Flow Preventer.Remove top cover from Remote Refrigeratio

106 Part Number STH12 9/10No carbonated water at any of the dispensing valves No CO2 gas or water present at dispensing valves.Malfunction of Refriger

Part Number STH12 9/10 107No carbonated water at any of the dispensing valves (continued)CO2 gas is present at Dispensing Valves but no water. (contin

108 Part Number STH12 9/10Carbonator pump and motor will not cycle OFF (possibly noisy pump)Little or no carbonated water at dispensing valve.Primary

Part Number STH12 9/10 109Carbonator pump and motor will not cycle OFF (possibly noisy pump) (continued)Carbonated water at dispensing valve.Liquid Le

Part Number STH12 9/10 11Special ApplicationsATTENTION: MARINE INSTALLATIONSNOTE: This unit must be secured to the vessel during installation. Models

110 Part Number STH12 9/10Carbonator pump and motor will not cycle OFF (possibly noisy pump) (continued)Carbon particles in furnished drink.Malfunctio

Part Number STH12 9/10 111Circulating SystemQualifierProbable CauseCorrective ActionWarm drinksDrinks warm throughout the day, warm all the time.Malfu

112 Part Number STH12 9/10Compressed Air SystemUntil repairs can be made on Compressed Air System, place Air/CO2 Change-over Valve in the CO2 Operatin

Part Number STH12 9/10 113No syrup (continued)Air Compressor operates excessively.Leak at Shake Machine, Orange Juice Dispenser or other optional equi

114 Part Number STH12 9/10Dispensing Valve and TowerQualifierProbable CauseCorrective ActionAll corresponding valves dispensing no syrup.Malfunction o

Part Number STH12 9/10 115No carbonated water or insufficient carbonated water in finished drink No Carbonated Water only at one dispensing valve.Carb

116 Part Number STH12 9/10No water or insufficient water in finished drinks All valves dispensing noncarbonated drinks no water.Water Shut-off Valve c

Part Number STH12 9/10 117No water or insufficient water in finished drinks (continued)Problem occurs at all valves on one (1) dispensing tower.No pow

118 Part Number STH12 9/10No water or insufficient water in finished drinks (continued)Foaming of finished products.Nozzles, Syrup Tube Diffusers dirt

Part Number STH12 9/10 119Electrical SystemQualifierProbable CauseCorrective ActionFuse/Circuit Breaker is open.Short Circuit or overload within unit.

12 Part Number STH12 9/10Your warranty card must be returned to activate the warranty on this equipment. If a warranty card is not returned, the warra

120 Part Number STH12 9/10Refrigeration SystemUntil repairs can be made on unit with no Ice Bank, push Refrigeration and Agitator Switch to the OFF po

Part Number STH12 9/10 121Warm drinks (carbonated water temperature over 40°F [5°C]) (continued)Compressor operates with Ice present at water bath.Def

122 Part Number STH12 9/10No carbonated water at any of the dispensing valvesCO2 gas is present at dispensing valves but no Carbonated Water.Malfuncti

Part Number STH12 9/10 123Syrup SystemQualifierProbable CauseCorrective ActionNo syrup or insufficient syrup in finished drink.Syrup Tank is empty. Re

124 Part Number STH12 9/10No syrup of insufficient Syrup in finished drink. (continued)Gas leak at Syrup System. Use a soap solution around all conne

Part Number STH12 9/10 125Water Booster SystemQualifierProbable CauseCorrective ActionLow or no water pressure at noncarbonated beveragesWater Booster

126 Part Number STH12 9/10Low or no water pressure at noncarbonated beverages (continued)Pump and Motor cycles ON and OFF excessively.Leak on Booster

Part Number STH12 9/10 127Water Filter SystemUntil repairs can be made on the Water Filter, place valve handle into “filter By-pass” position.Qualifie

128 Part Number STH12 9/10When the Brix is OFFAir CompressorFiltered Water PressureCO2 High PressureDrink Temperature70 psi (4.8 bar) ON90 psi (6.2 ba

Part Number STH12 9/10 129Bag-In-Box UsageSyrup Tank UsagePressurized Filtered Water Pressure (Water Booster)60 psi (4.1 bar)Medium Syrup Pressure60 p

Part Number STH12 9/10 13InstallationPre-installation ChecklistWhen installing any system, first make sure the major components are available. General

130 Part Number STH12 9/10ProblemProbable CauseSolutionDrink too warm. Refrigeration switch OFF.Turn ON refrigeration switch.Condenser dirty. Have con

Part Number STH12 9/10 131Component Check ProceduresTest Procedures: MPC 64A Timer/Selection PadMPC 64 A Timers can be placed in the test mode as foll

132 Part Number STH12 9/10J-16 Station & Sizes Revision May 28, 2003#1 Stop/Fill #2 Large#3 Medium #4 Small #5 Valve 6 (or nothing on a 5 Valve to

Part Number STH12 9/10 133Dual Transformers *DUAL TRANSFORMERS MUST BE WIRED IN PHASE*To determine whether transformers are wired in phase: With power

134 Part Number STH12 9/10New MPC84A Portion Control BoardA new portion control board, the MPC84A, has been developed to improve the performance and m

Part Number STH12 9/10 135MPC64A Connectors13151121515J20J12LD6J11LD5J10LD4J9LD3J8LD2J7LD1J15OLDJ16J17Model MPC84AP/N 213373

136 Part Number STH12 9/10MPC84A Connectors13111215151J20J14LD8LD7LD5J9LD3J8LD2J7LD1J15NEWJ16J17Model MPC84AP/N 216162J13J12LD6J11LD4J10J1

Part Number STH12 9/10 137FEATURES OF THE NEW MPC84A• Can control up to 8 stations (valves).• Hardware isolation and zero switching to minimize electr

138 Part Number STH12 9/10NOTE: The new MPC84A does not have factory default set times, like the MPC64A does. If a portion size or station looses its

Part Number STH12 9/10 139are the same and go in the same places. The older 5 pin valve connectors will fit on the new board, as long as you observe t

14 Part Number STH12 9/10Post Mix System:Double Check:CO2 regulator setBeverage dispenserBeverage tubingCO2 tankCarbonatorStepless (Oetiker) clampsCha

140 Part Number STH12 9/10MOVs Field TestingMetal Oxide Varistors installed on the water and carbonated water buttons on, McDonalds style dispensing t

Part Number STH12 9/10 141Test Procedures: MPC84C Timer/Selection BoardMPC 84B timers can be placed in the test mode as follows:1. Flip power switch O

142 Part Number STH12 9/10J-16 Station and Sizes:#1 Stop/Fill#2 Large#3 Medium#4 Small#5 Valve 6#6 Valve 5#7 Valve 4#8 Valve 3#9 Valve 2#10 Valve 1#11

Part Number STH12 9/10 143J-17 CALIBRATION BUTTON AND LIGHTIf microprocessor does not go into calibration, remove connector at J-17. With jumper wire,

144 Part Number STH12 9/10Back-flow Preventer MaintenanceThe integral carbonator in this unit is equipped with a back-flow preventer designed to prote

Part Number STH12 9/10 145Head Pressure Control ValveMultiplex remote systems require head pressure control valves with special settings. Replace defe

146 Part Number STH12 9/10be simulated by rinsing the condenser with cool water during the freeze cycle.FAN CYCLE CONTROL VS. HEAD PRESSURE CONTROL VA

Part Number STH12 9/10 147Charging Multiplex Remote Refrigeration Unit NOTE: System would have been opened for repairs. Once completed, a vacuum of 50

148 Part Number STH12 9/10Compressor & Remote CondenserCOMPRESSORNONONOYESNOCOMPRESSORWILL NOT GO OFFCOMPRESSORWILL NOT COME ONVERIFY KEYPAD/DISPL

Part Number STH12 9/10 149Agitator CondenserAGITATORENDYESYESNO/ENDAGITATORWILL NOT GO OFF WITH KEYPAD BUTTON / LED AGITATORWILL NOT COME ON WITH KEYP

Part Number STH12 9/10 15Also consider the location of the following items before installation:Top Mounted Ice Maker InstallationsWater lineDrainPower

150 Part Number STH12 9/10Carbonation System A or BCARBONATOR SYSTEM A OR B YES / END NOCARB MOTOR DOES NOT TURNONCARB MOTOR DOES NOT TURNOFFFIRSTVERI

Part Number STH12 9/10 151Circulation System A or BCIRCULATING SYSTEM A OR B CIRC MOTOR DOES NOT TURNONCIRC MOTOR DOES NOT TURNONVERIFY NO “E1” ERROR

152 Part Number STH12 9/10ERC Control Board, Keypad & DisplayERC CONTROL BOARD AND KEYPAD / DISPLAY KEYPAD / DISPLAY NOT WORKING ERC POWER LED NO

Part Number STH12 9/10 153Programming / Auto SetCOMPRESSOR DOES NOT REACT TO ICE BANK PROBE (SODA & CHILLER UNITS) OR BEER UNIT DOES NOT REACT TO

154 Part Number STH12 9/10ERC Component (Output) Connector LayoutERC Sensor (Input) Connector Layout LL/NCRAGITATIOR CIRCBCARB A CARB B CIRC A EARTH

Part Number STH12 9/10 155Component SpecificationsRefrigeration Unit SpecificationsSuper-Chill units do not apply to the above table, they are only us

156 Part Number STH12 9/10S-250M SpecificationsMII-302 SpecificationsCountertop Weights175 lbs./79.5 kgsIce Storage Capacityup to 250 lbs./ 114 kgs of

Part Number STH12 9/10 157ChartsRefrigerant ChargeR-12 MODEL P/N R-12 OZS/GRAMS16 EUTECTIC 200847 10/1304.137A 903750 73.6/2086.537W 903751 80/2267.9

158 Part Number STH12 9/102803W 902805 6/170.111AS 903722 12/340.237KA 903730 74/2097.837KR 903731 172/4876.137KW 903732 80/2267.938HAC 903806 18/510.

Part Number STH12 9/10 159R-22MODEL P/N R-22 OZS/GRAMS11MA 901106 11/31211MA2C 901108 11/312150MA-1 915011 11/31237KA22 903790 64/181437KR22 903791 15

16 Part Number STH12 9/10S250-M DimensionsIHBAEFGDCA39.81"(101.1 cm)B30.00"(76.2 cm)C9.94"(25.2 cm)D4.44"(11.3 cm)E22.63"(57.

160 Part Number STH12 9/10R-404AMODEL P/N R-404A OZS/GRAMS11M042C 901125 13.5/38311MA04 901120 13.5/383150A04 905121 13.5/3832803A04 902830 10.5/29828

Part Number STH12 9/10 161Operating PressuresNORMAL OPERATING PRESSURES OF REFRIGERATION UNITS1. On system with expansion valve (pressure limiting) ev

162 Part Number STH12 9/10NORMAL OPERATING PRESSURES OF REFRIGERATION UNITS1. On system with expansion valve (pressure limiting) evaporator gets no hi

Part Number STH12 9/10 163McDonald’s Models History*Only 100 units manufactured.Finished Drink @ 5:1 BrixSoda OnlySlow Flow 6 oz. / 4 sec. 5 oz. / 4 s

164 Part Number STH12 9/10Sustained Draw Curve ChartsSC180 SUSTAINED DRAW CURVESC340 SUSTAINED DRAW CURVEFlow Rate (pounds/minute)Inlet Temperature (°

Part Number STH12 9/10 165SC1000 SUSTAINED DRAW CURVESC2000 SUSTAINED DRAW CURVEFlow Rate (pounds/minute)Inlet Temperature (°F)Flow Rate (pounds/minut

166 Part Number STH12 9/10This Page Intentionally Left Blank

Part Number STH12 9/10 167DiagramsWiring DiagramsMODEL 72/72B AIR COOLED 3 PHASELow Pressure StitchCO2 Signal Transformer Right Hand Unit OnlyFan Moto

168 Part Number STH12 9/10MODEL 72/72B AIR COOLED 1 PHASESymbolsWire Nut, Small YellowWire Nut, Large BlackWire Attached to ComponentCarbonator Tan kC

Part Number STH12 9/10 169MODEL 72/72B WATER COOLED 3 PHASELow CO2 Pressure StitchCO2 Signal Transformer Right Hand Unit OnlyHigh Pressure controlComp

Part Number STH12 9/10 17S250-M FOOTPRINTABCDE30.00"(76.2 cm)26.00"(66.0 cm)8.00"(20.3 cm)7.30"(18.5 cm)11.00"(27.9 cm)FGH I

170 Part Number STH12 9/10MODEL 37Air Compressor MotorBlackConduit with WireBlackWhiteWhiteBlackGreenWhiteBlackGreenAgitator MotorCarbonator Tank “A”W

Part Number STH12 9/10 171MODEL 371FContactorRefrig.AgitatorGreenGreenBlackBlackGround ScrewBlackGreenBlueBlueBlueRedRedBlueSecondary Ice Bank Control

172 Part Number STH12 9/10MODEL 37FContactorRedSecondary Ice Bank ControlWhiteWhiteYellowYellowWhiteBlackBrown37AF Fan MotorModel 37AF OnlyAgitator Mo

Part Number STH12 9/10 173MODEL 37TCO2 PanelLamp #6Lamp #7Note: Lamps 6 and 7 are out of CO2 lights located on the dispensing towers. Wiring is provid

174 Part Number STH12 9/10MODEL 37T SCHEMATIC DIAGRAMRefrig. CompressorAJR or Remote Fan MotorCarb. “A” MotorCirc. “A” MotorCarb. “B” MotorCirc. “B” M

Part Number STH12 9/10 175MODEL 37KCO2 PanelAgit. MotorCarb. Tank “A”Carb. Tank “B”Remote FanWith Remote Condenser OnlyHigh Pressure Cut-outWith Air C

176 Part Number STH12 9/10MODEL 37K SCHEMATIC DIAGRAMCarb. “A” MotorCirc. “A” MotorLow Incoming Water Press Warning LightGrn/YelLt. BluBlkRedBrnIncomi

Part Number STH12 9/10 177MODEL 44A & R WIRING DIAGRAMAgitator MotorCarb. Pump MotorCirc. Pump MotorBlkWhtWhtBluWhtBlkWhtRibbed ConductorGreenBlac

178 Part Number STH12 9/10MODEL 44K WIRING DIAGRAMComponent LegendMS Relay Motor StartSW Switch ON/OFFPS Pressure SwitchCR Control RelayLLC Liquid Lev

Part Number STH12 9/10 179MODEL 44K22Compressor Switch #1Agitator Switch #2Carbonator Switch #3Circulator Switch #4Lamp 4Lamp 3Lamp 2LLC “B”LoadRibbed

18 Part Number STH12 9/10MII-250 DimensionsNMLKHPDEFGCBAA39.00"(99.1 cm)B12.50"(31.8 cm)C30.00"(76.2 cm)D1.50"(3.8 cm)E9.94"(

180 Part Number STH12 9/10MODEL 44M04 SCHEMATIC DIAGRAMComponent LegendMS Relay Motor StartSW Switch ON/OFFPS Pressure SwitchCR Control RelayLLC Liqui

Part Number STH12 9/10 181MODEL 50HCompressorRunStartSingle Phase Units OnlyBrnBrnRedBrownBlackBrownBrnRedBlkBrownRedBlackCompressorFan MotorAgitator

182 Part Number STH12 9/10MODEL 50M04Component LegendMS Relay Motor StartSW Switch ON/OFFPS Pressure SwitchCR Control RelayLLC Liquid Level ControlIBC

Part Number STH12 9/10 183FRONT DRAW TOWER WIRING DIAGRAMGrn/YelRedBlkWater SwitchKey BoardSoda SwitchControlOFF-ON SwitchSpliceBlkBrnRedOrgYe lGrnBlu

184 Part Number STH12 9/10PASS-THROUGH TOWER WIRING DIAGRAM24 VACRef. ConduitOFF-ON SW24 VACLow CO2 LampLow CO2 LampCO2 Pressure SW On Refrig. UnitWat

Part Number STH12 9/10 185Soda Wiring DiagramsMODEL 2803 (120V 60 HZ)Fan Motor (Air Cooled Only)Start CapacitorCompressorO/LRIBCarbonator TankIce Bank

186 Part Number STH12 9/10MODEL 2803 (230V 60 HZ)Fan Motor (Air Cooled Only)Start CapacitorCompressorO/LYelCarbonator Ta nkIce Bank ControlBrnBluPress

Part Number STH12 9/10 187MODEL 2803 INTERNATIONAL (230V 50 HZ)Fan Motor (Air Cooled Only)Start CapacitorCompressorO/LCarbonator TankIce Bank ControlB

188 Part Number STH12 9/10MODEL 2803 ELECTRONIC IBC

Part Number STH12 9/10 189MODEL 11 Agitator MotorCarbonator MotorCarbonator MotorAgitator MotorCarbonator MotorCirculator MotorRefrigeration UnitCarbo

Part Number STH12 9/10 19MII-250 FOOTPRINTABCDE30.00"(76.2 cm)26.00"(66.0 cm)8.00"(20.3 cm)8.00"(20.3 cm)11.00"(27.9 cm)FGH I

190 Part Number STH12 9/10MODEL 11 ELECTRONIC IBC(BLK)(BRN)(BLK)(RED)(BLUE)(BLK)(YEL)(RED)(L1)USED ON MODELSSS901120SS901122SS901139ONLY(RIBBED)(213)(

Part Number STH12 9/10 191MODEL 42 & 44 ELECTRONIC IBC

192 Part Number STH12 9/10MODEL 42 & 44 (WITH ERC 50 HZ)50HZ 50HZ

Part Number STH12 9/10 193MODEL 42 & 44 (WITH ERC 60 HZ)60HZ 60HZ

194 Part Number STH12 9/10MODEL 44 (120V 60 HZ)Component LegendMS Relay Motor StartSW Switch ON/OFFPS Pressure SwitchCR Control RelayLLC Liquid Level

Part Number STH12 9/10 195MODEL 44 (230V 60 HZ)Compressor SW#1Agitator SW#2Carbonator SW#3Circulator SW#4High Pressure Cut-outFan Motor(Air Unit Only)

196 Part Number STH12 9/10MODEL 50 (50 HZ)50HZ 50HZModels50MAX04 TS905053-35350MRX04 TS905054-35350MWX04 TS905055-353Caution: Disconnect power before

Part Number STH12 9/10 197MODEL 50 (60 HZ)60HZ 60HZModels50MA04 TS905050-36350MR04 TS905051-36350MW04 TS905052-36350MR04Q/T TS905046-263Caution: Disco

198 Part Number STH12 9/10MODEL 50 (WITH ERC 50 HZ)50HZ 50HZModelsCaution: Disconnect power before working on electrical circuitry.See Serial Plate fo

Part Number STH12 9/10 199MODEL 50 (WITH ERC 60 HZ)60HZ 60HZModelsCaution: Disconnect power before working on electrical circuitry.See Serial Plate fo

20 Part Number STH12 9/10MII-302 DimensionsAHKLDMNOPQFEGJCBA33.25"(84.5 cm)B12.50"(31.8 cm)C42.75"(108.6 cm)D1.38"(3.5 cm)E5.59&qu

200 Part Number STH12 9/10Super-Chil Wiring DiagramsMODEL SC180 (120 VAC)Component LegendL1 Line 1L2 NeutralM MotorMS ContactorPS Pressure SwitchIBC I

Part Number STH12 9/10 201MODEL SC180 ELECTRONIC IBC

202 Part Number STH12 9/10MODEL SC340 (120 VAC)Component LegendL1 Line 1L2 NeutralM MotorMS ContactorPS Pressure SwitchIBC Ice Bank ControlOptional Ci

Part Number STH12 9/10 203MODEL SC340 (120 VAC)

204 Part Number STH12 9/10MODEL SC900 & SC1000

Part Number STH12 9/10 205MODEL SC1000 (230 VAC)Component LegendL1 Line 1L2 NeutralM MotorMS ContactorPS Pressure SwitchIBC Ice Bank ControlAgitator M

206 Part Number STH12 9/10MODEL SC1000 ELECTRONIC IBC

Part Number STH12 9/10 207MODEL SC1000 (WITH ERC 50 HZ)50HZ 50HZ

208 Part Number STH12 9/10MODEL SC1000 (WITH ERC 60 HZ)60HZ 60HZ

Part Number STH12 9/10 209MODEL SC2000 (50 HZ)50HZ 50HZModelsSC2000AX TS905063-353SC2000RX TS905064-353SC2000WX TS905065-353Caution: Disconnect power

Part Number STH12 9/10 21MII-302 FOOTPRINTABCD42.75"(108.6 cm)38.75"(98.4 cm)8.00"(20.3 cm)8.00"(20.3 cm)EFGH17.38"(44.1 cm)1

210 Part Number STH12 9/10MODEL SC2000 (60 HZ)60HZ 60HZModelsSC2000A TS905060-363SC2000R TS905061-363SC2000W TS905062-363Caution: Disconnect power bef

Part Number STH12 9/10 211WIRING DIAGRAM FRONT DRAW TOWERGrn/YelRedBlkWater SwitchKey BoardSoda SwitchControlOFF-ON SwitchSpliceBlkBrnRedOrgYe lGrnBlu

212 Part Number STH12 9/10Circuit SchematicsPLUMBING CIRCUIT DIAGRAMS — MODEL 280312345 61234563/8" Barb x 3/8" TubeDispensing Tower Syrup B

Part Number STH12 9/10 213PLUMBING CIRCUIT DIAGRAMS — MODEL 11M ROOT BEERSingle Tower PlumbingInstallation Kit(020001441)02000140300861302Pressurized

214 Part Number STH12 9/10Model 11M Root Beer Dual Tower Plumbing Installation Kit(020001441)02000140300861302Pressurized Filtered Water SupplyPrimary

Part Number STH12 9/10 215Model 11M Root Beer Three Tower PlumbingInstallation Kit(020001441)02000140300861302Pressurized Filtered Water SupplyPrimary

216 Part Number STH12 9/10PLUMBING CIRCUIT DIAGRAMS — MODEL 44MPressurized Water Circuit DiagramTo Coffee MachineTo Ice MachinePhosphate Feeder (optio

Part Number STH12 9/10 217Pre-mix Plumbing — Six Valve Towers with Connection at Center IslandNOTE: Other plumbing configurations are possible. Check

218 Part Number STH12 9/106123456123456123456543216A5A4A3A2A1W6123456A5A4A3A2A1WTwo Tower Systemwith Connection at Center IslandSelf Serve or Center I

Part Number STH12 9/10 2196123456123456123456543216A5A4A3A2A1W6123456A5A4A3A2A1W6123456A5A4A3A2A1WThree Tower Systemwith Connection at Center IslandSe

22 Part Number STH12 9/10MII-250 Installation KitNo. Part Number Description Qty.1 00854998 Ell 1/2 x 3/8 Barb SS 22 00861304 Splicer 3/8 x 3/8 Barb 7

220 Part Number STH12 9/10Pre-mix Plumbing — Eight Valve Towers with Connection at Center Island6543216A5A4A3A2A1W77A88A612345876123458761234587Single

Part Number STH12 9/10 221654321786A5A4A3A2A1W7A8A6123458761234587612345876A5A4A3A2A1W7A8A61234578Two Tower Systemwith Connection at Center IslandSelf

222 Part Number STH12 9/10654321786A5A4A3A2A1W7A8A6123458761234587612345876A5A4A3A2A1W7A8A612345786A5A4A3A2A1W7A8A61234578Three Tower Systemwith Conne

Part Number STH12 9/10 223Carbonated Water Plumbing — Six Valve Towers with Connection at UnitSupplies Carbonated Water to Diet Drink and Provides Con

224 Part Number STH12 9/106A5A4A3A2A1WW98W986A5A4A3A2A1WW98Two Tower System with Connection at UnitSelf Serve or Center Island TowerDrive-thru TowerPr

Part Number STH12 9/10 2256A5A4A3A2A1W8986A5A4A3A2A1WW98899WWW6A5A4A3A2A1WThree Tower System with Connection at UnitSelf Serve or Center Island TowerD

226 Part Number STH12 9/10Carbonated Water Plumbing — Eight Valve Towers with Connection at Unit6A5A4A3A2A1WW98W987A8ASingle Tower System with Connect

Part Number STH12 9/10 227W98W98W986A5A4A3A2A1W7A8A6A5A4A3A2A1W7A8ATwo Tower System with Connection at UnitSelf Serve or Center Island TowerDrive-thru

228 Part Number STH12 9/10996A5A4A3A2A1W7A8A8 98W6A5A4A3A2A1W7A8A6A5A4A3A2A1W7A8AW8W8 9WThree Tower System with Connection at UnitSelf Serve or Center

Part Number STH12 9/10 229PLUMBING CIRCUIT DIAGRAMS — MODEL 50MPressurized Water Circuit DiagramDispensing TowerDispensing TowerDispensing TowerSyrup

Part Number STH12 9/10 23MII-302 Installation KitWATER AND SYRUP LINESThis kit facilitates connecting the unit to a 12-16 line conduit, with one or tw

230 Part Number STH12 9/10CO2 Gas and Compressed Air Circuit DiagramCarbonator Tank “B”Legend— Manual Shut-off Valve— Check Valve, Ball — Manual 3-way

Part Number STH12 9/10 231Ice/Beverage Units DiagramsSERVEND RECOMMENDED PLUMBINGS-250M Plumbing DiagramManifold: Change to carbonated or non-carbonat

232 Part Number STH12 9/10MII-250 Plumbing DiagramManifold: Change to carbonated or non-carbonated water.1. Rotate plunger 180° using a 5/32" All

Part Number STH12 9/10 233MII-302 Plumbing DiagramManifold: Change to carbonated or non-carbonated water (S2-SII only).1. Rotate plunger 180° using a

234 Part Number STH12 9/10This Page Intentionally Left Blank

Manitowoc Foodservice2100 Future DriveSellersburg, IN 47172, USAPh: 812-246-7000 Fax: 812-246-7024Visit us online at: www.manitowocfsg.com© 2010 Mani

24 Part Number STH12 9/10down through the counter top, to connect to the conduit. It will also be necessary to fully insulate this new added section b

Part Number STH12 9/10 25SYRUP LINES• Unit has eight syrup lines.• Use seven @ 1/4 x 3/8" and one @ 1/4 x 1/2" elbows and proper size condui

26 Part Number STH12 9/10REMOTE CONDENSER LINESET REQUIREMENTS1. Both the discharge and liquid remote condensing lines must be kept to a minimum dista

Part Number STH12 9/10 273. The easiest method to create a trap is to bend the tubing (smoothly, no kinks) into the trap form.4. The trap(s) must be o

28 Part Number STH12 9/10Safe Installation Dos and Don’ts! WarningRead the following warnings before beginning aninstallation. Failure to do so may re

Part Number STH12 9/10 29• DO check that all flare fittings are tight. This check must be performed with a wrench to ensure a quality seal.• DO inspec

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 STH12 9/10Location RequirementsSODA REFRIGERATION UNIT “QUICK-PICK” SELECTION CHARTNumber of Dispensing StationsBusiness Level* 1 2 3 4

Part Number STH12 9/10 31Select a location for the refrigeration unit that meets the requirements of the building plans, local codes, and personnel. T

32 Part Number STH12 9/103. Connect the water manifold supply line, located on the bulkhead panel in the motor compartment to the main water supply. T

Part Number STH12 9/10 33WATER SUPPLY1. Use the built in fill valve that is already plumbed into the unit.2. An appropriate floor drain is required wi

34 Part Number STH12 9/10ElectricalGENERALMINIMUM CIRCUIT AMPACITYThe minimum circuit ampacity is used to help select the wire size of the electrical

Part Number STH12 9/10 35SPECIFICATIONS* Only the model 50M with SS part numbers have 120V components, the TS does not.Model Volt/Cycle/PhaseMinimum

36 Part Number STH12 9/10GROUNDING INSTRUCTIONSThis appliance must be grounded. In the event of malfunction or breakdown, grounding provides a path of

Part Number STH12 9/10 37!WarningWhen using electric appliances, basicprecautions must always be followed, includingthe following:a. Read all the inst

38 Part Number STH12 9/10Plumbing/Water SupplyPLUMBING POTABLE WATERA 1" (2.54 cm) ID copper inlet water line equipped with a 3/4" (1.905 cm

Part Number STH12 9/10 39Preparing Ice Bank – Non-ERCBUILDING AN ICE BANK1. At this time, fill the unit water bath tank to the top, or within 1/2"

Read These Before Proceeding:!CautionProper installation, care and maintenance areessential for maximum performance and trouble-free operation of your

40 Part Number STH12 9/105. Turn on the main water supply to the booster assembly. Verify the booster is plugged in and that the accumulator tank valv

Part Number STH12 9/10 41Preparing Ice Bank with ERCBUILDING AN ICE BANK1. At this time, fill the unit water bath tank to the top, or within 1/2"

42 Part Number STH12 9/105. Turn on the main water supply to the booster assembly. Verify the booster is plugged in and that the accumulator tank valv

Part Number STH12 9/10 43Component IdentificationTypical SystemConduit (In Wall)6 Valve Soda Towe r8 Valve Soda Towe rWater BoosterAir CompressorCondu

44 Part Number STH12 9/10ConnectionsMODEL 2803 CONNECTIONSJohn Guest FittingsDrain HoseControl Switches1/4" Plastic CO2 Line from CarbonatorRight

Part Number STH12 9/10 45MODEL 11M CONNECTIONSJohn Guest FittingsDrain HoseControl SwitchesOpening for Conduit Supply Lines

46 Part Number STH12 9/10MODEL 42, 44, & 50M CONNECTIONSJohn Guest FittingsDrain HoseControl Switches (Non-ERC)Opening for Conduit Supply LinesERC

Part Number STH12 9/10 47ERC CONTROL BOARD OUTPUT CONNENCTIONSLL/NCRAGITATIOR CIRCBCARB A CARB B CIRC A EARTH PLUG THIS PIN

48 Part Number STH12 9/10ERC CONTROL BOARD INPUT CONNENCTIONS12 11 10 9 8 7 6 5 4 3 2 1 CO2 TS TD TW TB TA WL ICE CA A CA B HPCO

Part Number STH12 9/10 49MaintenanceMaintenance ScheduleThis section provides a list of periodic maintenance tasks and the scheduled frequency require

Part Number STH12 9/10 5Table of ContentsGeneral InformationModel Numbers . . . . . . . . . . . . . . . . . . . . . 9How to Read a Model Number . . .

50 Part Number STH12 9/10• Inspect air compressor to verify cut-in at 70 psi (4.8 bar) and cut-out at 90 psi (6.3 bar). Adjust pressure switch if nece

Part Number STH12 9/10 51Syrup supplyDaily (365 times per year)• Clean general area of syrup hookup with soap and warm water. Rinse off all soap.Every

52 Part Number STH12 9/10and syrup to water ratios at each dispensing station. Adjust as required.• Inspect beverage conduits for damage. Re-insulate

Part Number STH12 9/10 53• If pressure is low, inspect water filter cartridges to ensure they are able to supply adequate water pressure under normal

54 Part Number STH12 9/10Cleaning and Sanitizing the Dispensing Valves and Product LinesMAINTENANCE SCHEDULEEvery dayDispensing valvesRemove nozzles a

Part Number STH12 9/10 55CLEANING EQUIPMENT AND SUPPLIES• Recommended cleaner: Any caustic-base (low sudsing, non-perfumed, easily rinsed) detergent s

56 Part Number STH12 9/10CLEANING AND SANITIZING PROCEDURENOTE: Cleaning and sanitizing is not required for potable water circuits. Potable water line

Part Number STH12 9/10 572. Flush the cleaning solution from the lines with clean water after a minimum of 3 minutes, by pulsing the valves as describ

58 Part Number STH12 9/10SanitizingBEVERAGE SYSTEM CLEANINGSanitize the beverage system at initial start-up as well as regularly scheduled cleaning. T

Part Number STH12 9/10 59• Bucket 3 — mix a solution of unscented bleach (5% Na CL O) or commercial sanitizer and warm to hot water. Mixture should su

6 Part Number STH12 9/10Start-up (Non-ERC) . . . . . . . . . . . . . . . . . 72Sequence of Operation (Non-ERC) . . . . 74Start-up (with ERC) . . .

60 Part Number STH12 9/104. Connect syrup connector to BIB connector and immerse both into Bucket 1. A “bag-side” connector can be created by cutting

Part Number STH12 9/10 61FIGAL BEVERAGE SYSTEM1. Prepare the following in three clean Figal tanks:• Rinse tank - fill with room temperature tap water.

62 Part Number STH12 9/1011. Reconnect syrup and carbonated water lines.12. Draw syrup through the lines to rinse the system. Discard drinks until at

Part Number STH12 9/10 63OperationHow the Multiplex WorksModel 2803 — a 1/3 HP refrigeration unit that will provide pre-mix carbonated beverages and c

64 Part Number STH12 9/10Model 50M — a 2.2 HP Pre-mix refrigeration unit that will provide pre-mix carbonated beverages and chilled carbonated water f

Part Number STH12 9/10 65• The TS compressor is mounted with bolts instead of studs. • TS remote and water-cooled back panel connections are offset to

66 Part Number STH12 9/10WATER MANIFOLD TS• TS air-cooled condenser comes standard with a filter.Two Stainless Steel log style manifolds• One regulate

Part Number STH12 9/10 67ELECTRICAL TS• Electrical compartment has been moved up on the unit to eliminate water intrusion potential from the pump comp

68 Part Number STH12 9/10WATER BATH ACCESS SSWATER BATH ACCESS TS• Has a round hole in the front and back panels with no edge trim to protect lines.•

Part Number STH12 9/10 69SERVICE ACCESS SS• Front panel was solid and did not allow easy access for service.• Switch panel was mounted flush to end pa

Part Number STH12 9/10 7ERC Component (Output) Connector Layout 154ERC Sensor (Input) Connector Layout . 154Component SpecificationsRefrigeration Un

70 Part Number STH12 9/10SERVICE ACCESS TS WITH ERC• Service Switch — (SER) switch, press to send ID on power line network.• Wink Function — LED flash

Part Number STH12 9/10 71Equipment Setup Procedure (Non-ERC)1. Ensure that all valve nozzles are attached to the valves.2. Observe pressure of CO2 hig

72 Part Number STH12 9/10Start-up (Non-ERC)1. Fill the refrigeration unit water bath tank with water to within 1/2" (1.27 cm) of the top of the o

Part Number STH12 9/10 73PLACING THE CARBONATION SYSTEM IN OPERATION1. Open the CO2 gas supply valve at CO2 tanks or bulk tank. Adjust the CO2 pressur

74 Part Number STH12 9/10Sequence of Operation (Non-ERC)PRE-MIX REFRIGERATION UNITIce Bank Is Required1. Check water bath for full ice bank.2. The sta

Part Number STH12 9/10 75Multiplex Pre-mix Beverage System Operation and LayoutConduit (In Wall)6 Valve Soda Towe r8 Valve Soda Towe rWater BoosterAir

76 Part Number STH12 9/10Start-up (with ERC)PLACING EQUIPMENT IN OPERATIONBefore placing equipment in operation, verify that all requirements for roof

Part Number STH12 9/10 77PLACING THE SYRUP SYSTEM IN OPERATION1. Open the CO2 gas supply valve at CO2 tanks or bulk tank. Adjust the CO2 pressure to 9

78 Part Number STH12 9/10Sequence of Operation (with ERC)ELECTRONIC CONTROLPrerequisites• Potable water must be connected to the carbonator pump circu

Part Number STH12 9/10 79Power InterruptionDuring a power interruption the control will resume from the point of interruption when power is reapplied

8 Part Number STH12 9/10This Page Intentionally Left Blank

80 Part Number STH12 9/10PGM Switch• Used to enter and exit programming modes. • Press PGM Switch F000 will display• Press and hold Carb A switch — Di

Part Number STH12 9/10 81• Press and hold Carb B switch — Display will indicate one of the following:• Cb00 — Low and High Probes are open (carbonator

82 Part Number STH12 9/10Program Mode 4Temporarily cancel display of error codes. Cancelling the error codes allows circulating glycol temperatures to

Part Number STH12 9/10 83Multiplex Electronic Refrigeration Control (ERC) ProgrammingSUPPLY POWER ONAGITATOR COMES ON CONSTANTLYCOMPRESSOR DELAY SHOWS

84 Part Number STH12 9/10Equipment Close Procedure — All Units1. Clean the underside of the dispensing tower around the nozzle area with a clean damp

Part Number STH12 9/10 85MULTIPLEX ELECTRONIC REFRIGERATION CONTROL (ERC) PROGRAMMINGPOWER UP DELAYSHOWS “Pd30”AND COUNTSDOWN TO “Pd00"SUPPLY POW

86 Part Number STH12 9/10“C000”(CONDUCTIVITY)PRESS COMP/AGITSWITCH TO SHOW ICEBANK PROBE“CC11” = NO ICECOMPRESSOR ON“CC10”= ICE ON LOWSENSOR COMPRESSO

Part Number STH12 9/10 87TroubleshootingElectronic Refrigeration Control (ERC) Model Error Codes• Error codes will interrupt the temperature display a

88 Part Number STH12 9/10ERROR CODES E1, E2, & E3 FLOWCHARTEIYESNONORMALLY CAUSED BY WATER PRESSURE <5 PSI FOR 5 SECONDSMUST STAY ABOVE 10 PSI

Part Number STH12 9/10 89VERIFY INCOMING WATER SUPPLY PRESSURE TO UNIT >15 PSI OR NOT WITH ANOTHER GAUGE IN THE SUPPLY SYSTEM EREPLACE ERC CIRCUIT

Part Number STH12 9/10 9General InformationModel NumbersThis manual covers the following models: (A) Air Cooled (W) Water Cooled (R) Remote Cooled280

90 Part Number STH12 9/10ERROR CODES E4, E5, & E6 FLOWCHARTEIE2 E3 E4 E5 E6 E7 E8 E9NORMALLY CAUSED BY WATER BATH TEMPERATURE > 45°F NORMALLY C

Part Number STH12 9/10 91NOYES YESNOYES NOPRESSUREVERIFIED TEMPERATUREVERIFIED VERIFY TEMPERATURE WITH SECOND THERMOMETERTROUBLE SHOOT WATER SUPPLY SY

92 Part Number STH12 9/10ERROR CODES E7, E8, & E9 FLOWCHARTEIE2 E3 E4 E5 E6 E7 E8 E9NORMALLY CAUSED BY CARB MOTOR A RUNNING > 7 MINUTES CONTINU

Part Number STH12 9/10 93NONOYESYESYESNO“E7” ERROR GOES AWAY PUMP GOODUN-PLUG ICE BANK PROBE CONNECTOR (#3) FROM ERC BOARDRESET ERROR (PUSH CARB A AND

94 Part Number STH12 9/10COMPONENT TROUBLESHOOTINGFAN / REMOTE CONDENSERREFRIGERATIONSYSTEM AGITATORCOMPRESSORYESYESNO/ENDNOOUTPUT TERMINALS ARE COMMO

Part Number STH12 9/10 95ENDNONONOYESNOYESELSEPROBESREPLACEERCCONTROLBOARD020001985VERIFY VOLTAGE ON ERCAGITATORTERMINALSPULL ICE BANK CONN ON ERC, CO

96 Part Number STH12 9/10CIRCULATING SYSTEM A OR B ERC CONTROL BOARD AND KEYPAD / DISPLAY CARBONATOR SYSTEM A OR B YES / END CARB MOTOR DOES NOT TURN

Part Number STH12 9/10 97NONOYESNOCHECK ALL WIRES ANDCONNECTORS TO CIRC MOTOR, CHECK CIRC MOTORDISPLAY SHOWS POWER UP COUNTDOWN“PdXX” VOLTAGE AT ERC A

98 Part Number STH12 9/10ChecklistIf a problem arises during operation of your post mix soda refrigeration unit, follow the checklist below. Routine a

Part Number STH12 9/10 99Beverage dispensed is too sweet:Is the ratio (brix) of the drink correct?Flow control out of adjustmentAdjust the flow contro