Multiplex MB-8-1 Technician's Handbook
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Multiplex MB-8-1 Technician's Handbook

Blend-in-cup beverage systems
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Multiplex
Blended
Beverage System
Technician's
Handbook
This manual is updated as new information and models are released. Visit
our website for the latest manual. www.manitowocfsg.com
Leader in Ice & Beverage Dispensers
Part Number STH034 3/12

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Summary of Contents for Multiplex MB-8-1

  • Page 1 Multiplex Blended Beverage System Technician’s Handbook This manual is updated as new information and models are released. Visit our website for the latest manual. www.manitowocfsg.com Leader in Ice & Beverage Dispensers Part Number STH034 3/12...
  • Page 2 Safety Notices As you work on Multiplex equipment, be sure to pay close attention to the safety notices in this handbook. Disregarding the notices may lead to serious injury and/or damage to the equipment. Throughout this handbook, you will see the following...
  • Page 3 Read These Before Proceeding: ! Caution Proper installation, care and maintenance are essential for maximum performance and trouble- free operation of your Multiplex equipment. If you encounter problems covered this handbook, do not proceed, contact Manitowoc Foodservice.
  • Page 4 Warning Do not store gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance. Warning This appliance is not to be played with. Unless all cover and access panels are in place and properly secured, do not operate the equipment. Warning Do not clean with water jet.

  • Page 5: Table Of Contents

    Commercial Warranty Coverage ..13 Limited Warranty For Multiplex Blended  Ice Machine ..... 13 Installation General .
  • Page 6 Water Supply and Drain Requirements . 34 Water Supply ....34 Water Inlet lines ....34 Drain Connections .
  • Page 7 Operation Touch Screens ..... 77 Manager Screens ....78 Recommended Cups .
  • Page 8 Troubleshooting Control System ....97 Will Not Run Diagnostics ..97 Beverage System ....99 Procedure to Clear Blocked Line .
  • Page 9 Component Check Procedures Control System ..... 129 ON/Off Rocker Switch ... . . 129 Power Relay .
  • Page 10 Charts Total System Refrigerant Charge ..159 Operational Charts ....160 R404A Refrigerant - Refrigerated Cabinet Operating Pressures ....160 Version 1 Ice Machine R404A Refrigerant - Ice Machine Performance Chart .

  • Page 11: General Information

    MB-8-2P, MB000A01, MB000A02 MB000A03, MB000A04, MB000A05 Model/Serial Number Location These numbers are required when requesting information from your local Multiplex Distributor, service representative, or Manitowoc Foodservice. The model and serial number are listed on the OWNER WARRANTY REGISTRATION CARD. They are also listed on the MODEL/SERIAL NUMBER DECAL affixed to the machine.
  • Page 12 Do not allow young children to play with the appliance. Warning Do not use electrical appliances or accessories other than those supplied by Multiplex for your model. Warning Do not damage the refrigeration circuit when installing, maintaining or servicing the unit.

  • Page 13: Warranty Information

    If the OWNER WARRANTY REGISTRATION CARD is not returned, Manitowoc Foodservice will use the date of sale to the Multiplex Distributor as the first day of warranty coverage for your new Blend-In-Cup Beverage System. Commercial Warranty Coverage...
  • Page 14 The Company's warranty hereunder with respect to compressors shall apply for an additional forty-eight months, excluding all labor charges. The Company's warranty hereunder with respect to any blender assembly shall apply for one year or 13,000 blender cycles, whichever occurs first, including labor.
  • Page 15 Time and hourly rate schedules, as published from time to time by the Company, apply to all service procedures. Additional expenses including without limitation, travel time, overtime premium, material cost, accessing or removal of the machine, or shipping are the responsibility of the Owner, along with all maintenance, adjustments, cleaning, and ice or other purchases.
  • Page 16 Who Is Covered This Limited Warranty is available only to the original end user of the product and is not transferable. Exclusions From Coverage This warranty shall not apply to: • Any part or assembly that has been altered, modified, or changed. •...
  • Page 17 • Any machine that has been installed and/or maintained inconsistent with the technical instructions provided by the Company. • Any machine initially installed more than five years from the serial number production date. • Any products or equipment manufactured or sold by Company when such products or commercial equipment is installed or used in a residential or non-commercial application.
  • Page 18 Limitations Of Liability The preceding paragraphs set forth the exclusive remedy for all claims based on failure of, or defect in, products or services sold hereunder, whether the failure or defect arises before or during the warranty period, and whether a claim, however instituted, is based on contract, indemnity, warranty, tort (including negligence), strict liability, implied by statute, common- law or otherwise, and Company its servants and...
  • Page 19 Remedies The liability of Company for breach of any warranty obligation hereunder is limited to: (i) the repair or replacement of the Machine on which the liability is based, or with respect to services, re-performance of the services; or (ii) at Company's option, the refund of the amount paid for said Machine or services.
  • Page 20 Model Number_____________________________ Serial Number______________________________ Installation Date____________________________ General Conditions Multiplex shall not be liable in any manner for any default or delay in performance hereunder caused by or resulting from any contingency beyond Multiplex’s control, including, but not limited to, war, governmental...
  • Page 21 The sole and exclusive remedies of any person relating to the Unit, and the full liability of Multiplex for any breach of this warranty, will be as provided in this warranty. Other than the Multiplex Standard One Year Limited...
  • Page 22 This Page Intentionally Left Blank Part Number STH034 3/12...

  • Page 23: Installation

    Installation General These instructions are provided to assist the trained & qualified installer. Contact your Manitowoc FoodService Service Agent or call Manitowoc FoodService for information regarding start-up services. Important Failure to follow these installation guidelines may affect warranty coverage. Manager Default Password Temperature Control Setting 36°F setpoint 4°F differential...

  • Page 24: Dimensions

    Dimensions Elevation View 26.00" (66 cm) 32.82" (83 cm) Part Number STH034 3/12...
  • Page 25 Elevation View 71.19" (181 cm) 26.00" (66 cm) 65.19" (166 cm) 75.07" (191 cm) 60.25" (153 cm) Part Number STH034 3/12...
  • Page 26 Side View 32.82" (83 cm) 39.09" (99 cm) 36.15" (92 cm) Part Number STH034 3/12...

  • Page 27: Location

    Location The location selected must meet the following criteria: • The air temperature must be at least 40°F (4°C), but must not exceed 90°F (32°C), climate class 4. • The location must not be near heat-generating equipment or in direct sunlight and must be protected from weather.

  • Page 28: Clearances

    Do not obstruct machine vents or openings. HEAT OF REJECTION Heat of Rejection BTU/h Model Peak Conditioning 2100 2600 Cabinet All Single & Dual Spindle Ice Machine MB-8-1, MB-8-2 MB-8-1E, MB-8-2E 5150 MB-8-1A, MB-8-2A MB-8-1D, MB-8-2D MB-8-1U, MB-8-2U MB-8-1P, MB-8-2P MB000A01 MB000A02 Ice Machine MB000A03 5000...

  • Page 29: Electrical

    Electrical GENERAL Warning All wiring must conform to local, state and national codes. MINIMUM CIRCUIT AMPACITY The minimum circuit ampacity is used to help select the wire size of the electrical supply. The wire size (or gauge) is also dependent upon location, materials used, length of run, etc., so it must be determined by a trained &...

  • Page 30: Minimum Circuit Amperage Chart

    Please refer to the serial number tag to verify electrical data. Serial tag information overrides information listed on this page. Model Voltage/Cycle/ Breaker Total Amps Numbers Refrigerant Size MB-8-1 120/60/1 Dual 16.0 R404A Spindle MB-8-2 120/60/1 Single 16.0 R404A...
  • Page 31 Model Voltage/Cycle/ Breaker Total Amps Numbers Refrigerant Size 230-240/50/1 MB-8-2D Single R404A Spindle 230-240/50/1 MB-8-1U Dual R404A Spindle 230-240/50/1 MB-8-2U Single R404A Spindle 230-240/50/1 MB-8-1P Dual R404A Spindle 230-240/50/1 MB-8-2P Single R404A Spindle 120V/60/1 16.0 MB000A01 Dual Spindle 230-240/50/1 MB000A02 Single R404A Spindle...

  • Page 32: Grounding Instructions

    GROUNDING INSTRUCTIONS Warning This machine must be grounded in accordance with national and local electrical codes. This appliance must be grounded. In the event of malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock.
  • Page 33 Warning When using electric appliances, basic precautions must always be followed, including the following: a. Read all the instructions before using the appliance. b. To reduce the risk of injury, close supervision is necessary when an appliance is used near children. c.

  • Page 34: Water Supply And Drain Requirements

    Water Supply and Drain Requirements WATER SUPPLY In most areas, a water filter of some type will be useful. In areas where the water is highly concentrated with minerals the water should be tested by a water treatment specialist, and the recommendations of the specialist regarding filtration and/or treatment should be followed.

  • Page 35: Drain Connections

    DRAIN CONNECTIONS Follow these guidelines when installing drain lines. • Connect supplied 1" ID hose to hose-barb connection on machine. • Drain lines must have a 1.5 inch drop per 5 feet of run (2.5 cm per meter), and must not create traps. •...

  • Page 36: Step-By-Step Installation

    Step-by-Step Installation 1. Visually inspect the exterior of the package and skid or container. Any damage should be noted and reported to the delivering carrier immediately. 2. If damaged, open and inspect the contents with the carrier. 3. In the event that the exterior is not damaged, yet upon opening there is concealed damage to the equipment, notify the carrier.
  • Page 37 13. Remove steel top panel. Check that the black chute cover is sitting securely on the chute. The ice Machine will not operate properly if it is out of place. 14. The CO and Water Regulator gauges can be viewed through the panel windows, but the side panel will require removal if the regulators need adjustment.
  • Page 38 27. Check BIC for level and shim if necessary. 28. Install clean, sanitized parts on BIC. 29. Fill all three cleaning pails with warm water, add soap to wash pail, sanitizer to sanitize pail. 30. Demonstrate to store manager BIC cleaning procedure.

  • Page 39: Installation Checklist

    Installation Checklist Is the machine level? Has all of the internal packing been removed? Have all of the electrical, water and CO connections been made? Has the supply voltage been tested and checked against the rating on the nameplate? Is there proper clearance around the machine for air circulation? Is the machine grounded and polarity correct?

  • Page 40: Menuconnect

    MenuConnect MenuConnect is used to create recipes for your Blend- In-Cup (BIC) machine. The software is easy to use, versatile and limited only by your imagination. You will quickly master the basics and be making all types of drinks quickly and efficiently. After the recipes are created, they are copied to a usb drive and transferred to the Blend-In-Cup machine.

  • Page 41: Loading Bags

    LOADING BAGS From the Main Menu select Inventory. One at a time select the slots with assigned flavors. 1. Position rear groove of the spout on product bag into slot of the product bin. 2. The spout must snap into slot of product bin. 3.
  • Page 42 • Select Calibrate Flavor. • Select the flavor, water or ice to calibrate. 1. Get Scale 2. Tare Empty Cup Weight 3. Position Cup For Dispense  Flavor and water target is 4 oz. Ice target is 6 oz. 1. Wait until dispensing is done 2.
  • Page 43 3. Tap button to enter weight. • Enter the cup weight. • Select the green arrow. • The calibration screen will return, select the green arrow. Part Number STH034 3/12...
  • Page 44 • Flavor, 4 oz. Calibration Complete • The calibration screen returns. Chose another flavor, water or ice to calibrate or return to the Configure Slots screen. Part Number STH034 3/12...

  • Page 45: Maintenance

    Maintenance General Maintenance Warning Disconnect power to the unit before performing any service or maintenance functions. DOOR GASKET MAINTENANCE Door gaskets require regular cleaning to prevent mold and mildew buildup and also to retain the elasticity of the gasket. Gasket cleaning can be done with the use of warm soapy water.

  • Page 46: Caster Maintenance

    CASTER MAINTENANCE Wipe casters with a damp cloth monthly to prevent corrosion. NOTE: The power switch must be turned to OFF and the unit disconnected from the power source whenever performing service, maintenance functions or cleaning the refrigerated area. REFRIGERATORS The interior and exterior can be cleaned using soap and warm water.
  • Page 47 Cleaning solutions need to be alkaline based or non- chloride cleaners. Any cleaner containing chlorides will damage the protective film of the stainless steel. Chlorides are also commonly found in hard water, salts, and household and industrial cleaners. If cleaners containing chlorides are used, be sure to rinse repeatedly and dry thoroughly.

  • Page 48: Cleaning The Condenser Coil

    CLEANING THE CONDENSER COIL In order to maintain proper refrigeration performance, the condenser fins must be cleaned of dust, dirt and grease regularly. It is recommended that this be done at least every three months. If conditions are such that the condenser is totally blocked in three months, the frequency of cleaning should be increased.

  • Page 49: Doors/Hinges

    DOORS/HINGES Over time and with heavy use doors and hinges may become loose. If this happens tighten the screws that mount the hinge brackets to the frame of the unit. Loose or sagging doors can cause the hinges to pull out of the frame, which may damage both the doors and the hinges.

  • Page 50: Cleaning Kits

    CLEANING KITS Complete cleaning kits are available for single and dual spindle units.  These kits include the following; • (3) three 5 gallon buckets • Bucket labels for Wash, Rinse, & Sanitizing • Red & Blue cups for blender cleaning •...

  • Page 51: Daily Cleaning

    Daily Cleaning On the Menu screen, press the washing hand (cleaning icon). Press Daily. Gather the following supplies: Clean towels Spray cleaner (KAY® SolidSense All Purpose Super Concentrate, min. 0.085 oz/gal. or 0.425 oz/5 gal*) Spray sanitizer (KAY-5® Sanitizer/Cleaner, min. 0.40 oz/gal or 2.0 oz/5 gal*) Medium cups with wash...
  • Page 52 Thoroughly wipe down all surfaces of mixer station Repeat for the other side Press the down arrow to continue. Dispensing area cleaning: Remove center grate from dispensing area Spray all dispensing area surfaces with cleaning solution Thoroughly wipe down all surfaces of dispensing area and verify dispense area drains completely...
  • Page 53 Mixer door removal: Slightly open mixer door Squeeze at bottom of door Tilt out and pull the door down and out Repeat for other door Press the down arrow to continue. Blender assembly wash: Completely spray blender assembly with cleaning solution Thoroughly wipe down top of blender cap and blender...
  • Page 54 Reinstall grates/doors: Take all grates and doors to sink to wash and sanitize Do not put in dishwasher or power soaker Reinstall left and right mixer grates Reinstall dispensing area grate Reinstall left and right mixer doors Press the down arrow to continue.
  • Page 55 Rinsing will display on the screen while the machine rinses the blenders Finished will display on the screen Blender sanitizing: Pour wash solution down the drain Place cup with sanitizer solution in both blender stations  Press the green check Sanitizing will display on the screen Mixer station sanitize:...

  • Page 56: Weekly Cleaning

    Dispensing area sanitizing: Thoroughly spray each individual dispense nozzle with sanitizer solution Thoroughly spray dispense area with sanitizer solution Allow to air dry Do not wipe off sanitizer!  Cleanup any spills on or around he unit, then press the green check to signify you have completed the daily cleaning.
  • Page 57 Spray sanitizer (KAY- 5® Sanitizer/Cleaner, min. 0.40 oz/gal or 2.0 oz/5 gal*) Medium cups with wash and sanitize solution Press the down arrow to continue. Buckets with wash, rinse and sanitize solution Splash shield Cleaning manifold Press the down arrow to continue.
  • Page 58 Spray and wipe each bib connector and area with cleaner Spray each bib connector and area with sanitizer Connect a cleaning hose to each product nozzle Place cleaning manifold in wash bucket  Press the green check Select Manual Clean or Auto Clean Auto clean will send the wash solution through each line (slot),...
  • Page 59 Rinsing instructions: Remove cleaning manifold from wash bucket Place cleaning manifold in rinse bucket  Press the green check Rinse solution runs through each line (slot). The screen will read Rinsing Slot X. Each slot will change from Washed to Rinsed.
  • Page 60 Pause for the Sanitation Hold Time. Purging instructions: Disconnect the cleaning hoses from the product nozzles  Press the green check Air is pushed through each line (slot) blowing out any remaining liquid. The screen will read Purging Slot X. Each slot will change from Sanitized to Purged.
  • Page 61  Press the green check Each line will fill with product. The screen will read Priming Slot X. Each slot will change from Purged to Clean. Grate removal/mixer station wash: Remove grate from left and right mixer stations Spray all mixer station inside surfaces with cleaning solution Thoroughly wipe down...
  • Page 62 Press the down arrow to continue. Thoroughly spray each individual dispense nozzle with cleaning solution Thoroughly wipe with a clean towel Press the down arrow to continue. Mixer door removal: Slightly open mixer door Squeeze at bottom of door Tilt out and pull the door down and out Repeat for other door Press the down arrow to...
  • Page 63 Blender assembly wash: Completely spray blender assembly with cleaning solution Thoroughly wipe down top of blender cap and blender arm Lift blender cap and thoroughly wipe down top of blade housing and bottom of blender Thoroughly spray blender assembly with sanitizer solution Repeat for other side Press the down arrow to...
  • Page 64 Press the down arrow to continue. Blender wash: Place cup with wash solution in both blender stations Close the blender doors  Press the green check The blenders will lower into the wash solution and spin to clean. Washing will display on the screen Follow the on screen instruction, Remove Cup.
  • Page 65 Blender sanitizing: Remove cup from each blender station and pour wash solution down the drain and verify dispense area drains completely Place cup with sanitizer solution in both blender stations  Press the green check Sanitizing will display on the screen Mixer station sanitize: Remove cup from each...
  • Page 66 Dispensing area sanitizing: Thoroughly spray each individual dispense nozzle with sanitizer solution Thoroughly spray dispense area with sanitizer solution Allow to air dry Do not wipe off sanitizer!  Cleanup any spills on or around he unit, then press the green check to signify you have completed the daily cleaning.

  • Page 67: Ice Machine Cleaning

    Ice Machine Cleaning VERSION 1 ICE MACHINE R404A REFRIGERANT The ice machine must be cleaned and sanitized at least twice a year. More frequent cleaning may be required in some existing water conditions. The parts listed below should be inspected at least once a year or every 10,000 hours of operation.
  • Page 68 4. Remove ice dispense motor assembly by removing four thumbscrews. Place motor assembly in a location that it will not fall. 5. Remove ice chute by removing two thumbscrews. There is a gasket between the ice chute and ice extruding head, remove it. 6.
  • Page 69 13. Soak the following parts for 20 minutes in cleaning solution. Rinse the parts thoroughly.  Soak the removed parts in sanitizing solution for 10 minutes and wipe them down.  If solution is left on these parts, they will rust. •...
  • Page 70 17. Turn OFF the ice Machine power switch located on the back. 18. Slowly pour 1 gallon of cleaning solution into the top of the freeze barrel where the ice normally exits. 19. Allow the ice Machine to sit for about 20 minutes. 20.
  • Page 71 26. Fill the freeze barrel with sanitizing solution where the ice normally exits. 27. Allow the ice Machine to sit for about 10 minutes. 28. Replace ice chute, gasket and (2) black thumbscrews. 29. Lay the unit top over the bin overflow switch. The bin overflow switch must be depressed for the ice machine to work properly.

  • Page 72: Version 2 Ice Machines R404A Or R290

    VERSION 2 ICE MACHINES R404A OR R290 REFRIGERANT The ice machine must be cleaned and sanitized a minimum of once every six months. More frequent cleaning may be required in some existing water conditions. Always wear liquid-proof gloves and safety glasses to prevent the cleaning and sanitizing solutions from coming into contact with skin or eyes.
  • Page 73 4. Soak the parts in cleaning solution, then rinse the parts thoroughly. 5. Soak the parts in sanitizing solution and allow to air dry. 6. Wipe the inner ice bin wall with cleaning solution, rinse and wipe dry. Repeat with sanitizer solution and allow to air dry.
  • Page 74 11. Verify the compressor rocker switch is in the OFF position, then reconnect power and run the gearmotor for 15 minutes. Perform the following procedures during the 15 minute period: • Remove ice compression nozzle from evaporator and soak in cleaning solution. •...
  • Page 75 16. During the 10 minute period rinse cleaner from compression nozzle with potable water and then soak in sanitizer/water solution. 17. Move the compressor rocker switch to the ON position. The ice machine will make ice with the sanitizer/water solution and deposit the ice in the bin/dispenser.
  • Page 76 22. Turn on the ice making water supply, reconnect power and move the compressor rocker switch to 23. Allow the ice machine to run for 10 minutes, then place the compressor rocker switch in the OFF position, disconnect power and discard all ice produced.

  • Page 77: Touch Screens

    Operation Touch Screens “easy ToUCH” Screen. The main screen has four selections. The book icon is the drink making procedure (recipe/menu). The manager screen accesses machine settings. Inventory and cleaning are the other selections accessed through the main screen. Recipe/Menu Cleaning Manager Inventory...

  • Page 78: Manager Screens

    Manager Screens The manager screens are password protected. After typing in the correct password the following screens are accessible: Language, Date/Time, Temperatures, Edit Password, Configure Slots, Updates, Auto Wash Timer and Service. When the manager screens are inactive for a time period, the screen will return to the drink menu.
  • Page 79 Date/Time. Set the correct date and time at installation. Correct the date or time when necessary. Temperatures. The nozzle, cabinet and defrost temperatures will help diagnose refrigeration problems. Configure Slots. Slot Flavor allows the manager to assign flavors to slots. Calibrate Flavor is a process to ensure the machine is dispensing the correct amount from each product slot, water and ice.
  • Page 80 Updates. Firmware and Recipes Screens allow the manager to plug a USB flash drive in and upload new firmware and recipes. Auto Wash Timer. Allows the manager to turn on or off and set up periodic automatic wash, clean and sanitize cycles for the blender stations.

  • Page 81: Recommended Cups

    Recommended Cups Although a variety of cups may work in the BIC machine, the most success (without cup cracking) has come from polyethylene (PETE) cups. Other varieties such as glass, polypropylene, and thick walled styrofoam have also proven workable. Cup thickness, material composition, diameter and cup height play an important role in the workability of the cup within the machine.

  • Page 82: Procedure To Make A Drink

    Procedure to Make a Drink 1. From the menu screen, press the book icon. 2. Select a category of recipes. 3. Specific drink combinations are displayed on the next screen. If a drink is not available it will be highlighted with a red square around it. The drink is not available because:...
  • Page 83 4. Drink size is the next selection. 5. Place cup under center dispenser. 6. Press the green check. 7. As the flavor dispenses into the cup, the screen will display DISPENSING. 8. If ingredients need to be manually added, the screen will give specific directions.
  • Page 84 9. Choose an available mixer and place the cup into the module and shut the door. Press the corresponding right or left flashing green/blue arrow. 10. While the drink is mixing, the screen will read Blending. 11. Follow all drink specific screen directions and press the flashing arrow.

  • Page 85: Procedure To Replace A Product Bag

    Procedure to Replace a Product Bag 1. From the main menu touch the inventory icon. 2. On the inventory screen select the product to be replaced. Products with less than 10% inventory or less than 24 hours until product expires will be displayed with a yellow bar.
  • Page 86 6. Position rear groove of the spout on product bag into slot of the product bin. 7. The spout must snap into slot of product bin. 8. Open the cap on the product bag and tear it off. 9. Return product bin to its position in cabinet. 10.
  • Page 87 11. Place cup under dispenser and hold icon to prime. 12. Select another product to be replaced or return to the previously active screen. Part Number STH034 3/12...

  • Page 88: Firmware Update Procedure

    Firmware Update Procedure Important 1. Read Instructions Completely 2. Firmware file (.bin) must be loaded on top level of flash drive. 3. Require only 1 firmware (.bin) file on the flash drive at a time. If multiple firmware (.bin) files are on the flash drive, the first one in alphabetical order would be loaded and may not be the current version.
  • Page 89 Press the UPDATES Icon. Press the FIRMWARE Icon. Press the USER INTERFACE Icon. Verify version to be loaded is correct, and press the Green Check.  Firmware will show status of update as a percentage, and screen will display “UPDATE COMPLTE” when finished.

  • Page 90: Ice Making Sequence Of Operation

    Ice Making Sequence of Operation VERSION 1 ICE MACHINE R404A REFRIGERANT INITIAL START-UP 1. Placing the power switch in the “ON” position and the flush switch in the “ICE” position, will supply water to the reservoir. 2. The reservoir fills with water, the low water switch closes and the gear motor starts.
  • Page 91 DRAIN CYCLE MANUAL OPERATION Move ICE/DRAIN switch to DRAIN If the ice machine is running: 90 seconds after the flush switch is moved to the “Drain” position, the flush valve opens. and flushes the reservoir and evaporator. The drain cycle continues until the switch is moved to the “Ice”...

  • Page 92: Version 2 Ice Machines R404A Or R290

    VERSION 2 ICE MACHINES R404A OR R290 REFRIGERANT NOTE: Ice machines use an auger to remove ice from the evaporator. Occasional noises (creaks, groans, squeaks, or pops) are a normal part of the ice making process. Operation The ice machine will not start until: A.

  • Page 93: Product Dispense Operation

    Product Dispense Operation The sequence varies according to the recipe. Some recipes will use one ingredient, others will use multiple ingredients. The sequence below uses one ingredient to simplify the sequence. Prerequisites • Line voltage must be supplied • pressure is supplied and regulated to the correct pressure •...

  • Page 94: Refrigerated Cabinet Operation

    Refrigerated Cabinet Operation Default temperature setpoint = 36° F with a ±2° F Differential NORMAL OPERATION The microprocessor control board controls the cabinet temperature based on the input received from the cabinet temperature thermistor. The thermistor value is compared to the control board setpoint. When the reach-in temperature is equal or greater than the setpoint (plus half the differential) the compressor relay closes provided the following conditions are...

  • Page 95: Operation In The Clean/Sanitize Cycle

    OPERATION IN THE CLEAN/SANITIZE CYCLE During the weekly cleaning/sanitize cycle, the evaporator fan motor relay and the condenser fan motor/compressor relay are de-energized. The relays cannot energize until the clean/sanitize cycle is complete. Upon completion of the clean/sanitize cycle, the relays will energize, provided the conditions listed in normal operation are satisfied.
  • Page 96 This Page Intentionally Left Blank Part Number STH034 3/12...

  • Page 97: Troubleshooting

    Troubleshooting Control System WILL NOT RUN DIAGNOSTICS Warning High (line) voltage is present when the back panel is removed. 1. Verify primary voltage is supplied. 2. Reboot by disconnecting and reconnecting the main power supply. 3. Verify ON/OFF rocker switch functions properly and supplies line voltage to relay coil.
  • Page 98 11. Display progresses through screens? • No - Flash control board with current firmware. • Yes - Go to next step. 12. Do any components energize during the drink making sequence? • No - Replace main control board. • Yes - Troubleshoot non functional component. If blender is non functional proceed to next step.

  • Page 99: Beverage System

    Beverage System PROCEDURE TO CLEAR BLOCKED LINE 1. Fill a squirt bottle with very warm water. 2. Remove product bin. 3. Connect squirt bottle with vinyl tubing to product tube inlet. 4. Select the inventory icon from the main menu. 5.
  • Page 100 6. Select the green arrow twice without following the product replacement instructions. 7. Select Prime Flavor. 8. Place a cup under dispenser. Part Number STH034 3/12...
  • Page 101 9. Select Hold To Prime icon while squeezing the squirt bottle. Watch for product to enter the cup. 10. Repeat Step 6 until valve clears and product and/ or water enters the cup. 11. Disconnect squirt bottle with vinyl tubing. Insert product bin back into unit.

  • Page 102: Beverage System Diagnostics

    BEVERAGE SYSTEM DIAGNOSTICS 1. Line voltage is supplied? 2. CO supply pressure is between 50 and 80 psi and regulated to 35 psi? 3. Water supply pressure is between 30 and 90 psi and regulated to 30 psi? 4. Product is inserted in cabinet and correctly connected to adapter/tubing? 5.

  • Page 103: Ice System

    Ice System BEFORE BEGINNING SERVICE Ice machines may experience operational problems only during certain times of the day or night. A machine may function properly while it is being serviced, but malfunctions later. Information provided by the user can help the technician start in the right direction, and may be a determining factor in the final diagnosis.

  • Page 104: Water System Checklist

    WATER SYSTEM CHECKLIST A water-related problem could cause component misdiagnosis. Water system problems must be identified and eliminated prior to replacing other components. Possible Problem List Corrective Action List Water area (evaporator) is Clean as needed. dirty. Install a water regulator Water inlet pressure not valve or increase the water between 30 and 90 psig.

  • Page 105: Ice Production/Quality Check

    ICE PRODUCTION/QUALITY CHECK QUALITY CHECK Ice quality will vary with ambient and water temperatures, and is measured by the amount of excess water in the ice. Generally speaking, higher incoming water temperature results in lower ice quality. Lower water temperature results in higher ice quality. ICE PRODUCTION CHECK 1.

  • Page 106: Version 1 Ice Machine R404A Refrigerant

    VERSION 1 ICE MACHINE R404A REFRIGERANT No Ice Production Problem Possible Cause Remedy The ice Power Supply OFF position Move to ON position machine will Loose connection Tighten not start. Bad contacts Check for continuity and replace Blown fuse Replace Power Switch Off position Move to ON position...
  • Page 107 Problem Possible Cause Remedy Water has Water control Bad contacts Check for continuity and been Relay replace supplied, Bin Control Bad contacts Check for continuity and but the ice replace machine will not start. Activator does not Clean axle and its move freely corresponding holes or replace bin control...
  • Page 108 Problem Possible Cause Remedy Gear motor Pressure Switch Dirty air filter or Clean condenser compressor Ambient Get cooler start, but temperature too operate warm intermit- tently. Fan not rotating See “Other” table, “Abnormal noise,” “Fan Motor” Refrigerant Recharge overcharged Refrigerant line or Clean and replace drier components plugged...

  • Page 109: Low Ice Production

    Low Ice Production Problem Possible Cause Remedy Low ice Refrigerant Line Refrigerant leak Check for leaks with a production. leak detector. Reweld leak, replace drier and charge with refrigerant. The amount of refrigerant is marked on nameplate or label Refrigerant line Replace the blocked Blocked component...
  • Page 110 Other Problem Possible Cause Remedy Abnormal Fan Motor Bearing worn out. Replace noise. Fan blade deformed Replace fan blade Fan blade does not Replace move freely Compressor Bearings worn out, Replace or cylinder valve broken Mounting pad out of Reinstall position Refrigerant Rub or touch lines or...

  • Page 111: Version 2 Ice Machine R290 Refrigerant Electrical Troubleshooting Flowchart

    VERSION 2 ICE MACHINE R290 REFRIGERANT ELECTRICAL TROUBLESHOOTING FLOWCHART Power Supplied to Ice Control Board Plug In Ice Machine, Reset Breaker Machine Control board? PWR Light On? Replace Control Board Bin Empty (BE) Bin Thermostat Light On? Closed? Ice Contacting Adjusting Closes Replace Thermostat Thermostat?
  • Page 112 Time Delay (BT) 20 Minute Time Delay Period – Depress Control Board Reset Button To Override Delay Period Light Off? Water Supply OK? Supply Water To Ice Machine Water (WTR) Strainer Clean? Clean Strainer Or Light On? Reservoir Full? Float Valve OK? Repair/Replace Float Valve Disconnect Clean, Repair, Or...
  • Page 113 WTR Light 20 Minute Time Delay Period BT Light On? Flashing? Depress Control Board Reset Button To Override Delay Period Press Control Board Reset Button – Flashing Determine Cause Of Water Loss Stops, Gear Motor And Compressor Energize Disconnect/Reconnect Power, Replace Control Board If Ice Machine Will Not Run Move Switch To On Position...
  • Page 114 Line Voltage @ Control Board Compressor And NO or Only One Component Has Line Voltage Replace Control Board Fan Terminals? Reset Or Replace High Pressure Cut Out Verify: HPCO Closed? Condenser Fan Motor Functions Water cooled Models: Water Regulating Valve Functions Line Voltage To Repair Wiring Compressor?
  • Page 115 20 Minute Time Delay Period - Verify No Ice In Evaporator 20M Light Depress Control Board Reset Button To Override Delay Period Perform Heavily Scaled Cleaning Procedure Locked Out Due To Over Torque Condition Verify No Ice In Evaporator Lights on? 2nd Light On? Gear Motor Runs? Depress Control Board Reset Button...

  • Page 116: Refrigerated Cabinet

    Refrigerated Cabinet Refrigerated Cabinet Flowchart - R404A or R290 Refrigerant Power Supplied? Plug In, Reset Breaker Switch In ON Position? Move Switch To ON Position Touch Screen Refer To Touch Screen Diagnostics Energized?
  • Page 117 Evaporator Fans Power To Fan Motor? Replace Motor Shaft Turns? Energized? Replace Fan Blade Repair Wiring Refrigerator Is Refrigerator Is Adjusting Opens Replace Thermostat Warm? Freezing Product? Thermostat? Verify New Setting Cycles Machine On/Off Too Much Warm Product, Too Many Door Openings, Ice On Evaporator Coil Duct Fan Not Energized Defective Thermistor...
  • Page 118 Temperature Set Adjusting Temperature Refer To Control Temperature Set To 36º Too High? Starts Compressor? Board Diagnostics Check Thermistor Mounting & Reset Temperature Refer To Thermistor Diagnostics Compressor Starts Compressor On? Compressor Anti Short Cycle Delay Is 3 Minutes After 3 Minutes? Verify: Compressor Overload is Closed Start Components Function...
  • Page 119 Verify: Compressor Overload Does Not Open Start Components Function Condenser Fan Motor Functions Compressor Runs Voltage Is Within 10% Of Nameplate Continuous? Clean The Condenser Coil Restricted Clearances High Ambient Ice On Evaporator Coil Or Restricted Airflow Check: Temperature Set Too Low Ice On Evaporator Coil Low On Refrigerant High Ambient...

  • Page 120: Reach-In Temperature Out Of Range - Check Refrigeration System And Door Seal

    REACH-IN TEMPERATURE OUT OF RANGE - CHECK REFRIGERATION SYSTEM AND DOOR SEAL. Temperature in reach-in unit above or below acceptable limits. Above temperature limit: • Verify door is closed and door gasket is in place. • Reboot machine by moving toggle switch off/on. •...

  • Page 121: Refrigeration System Diagnostics

    Refrigeration System Diagnostics ANALYZING DISCHARGE PRESSURE OR TEMPERATURE 1. Determine the ice machine operating conditions:  Air temperature entering condenser  Air temperature around ice machine  Water temperature entering water reservoir 2. Refer to 24-Hour Ice Production/Refrigeration Pressure/Temperature Chart for ice machine being checked.
  • Page 122 Discharge Pressure Low Checklist Problem Cause Improper Refer to Installation procedures. installation Improper Undercharged refrigerant Wrong type of refrigerant charge Low ambient temperature High side refrigerant lines/component restricted (before mid-condenser) Suction pressure is too low and affecting discharge pressure. (Refer to “Suction Other Pressure/Temperature Low Checklist.”) No water or insufficient pressure...

  • Page 123: Analyzing Suction Pressure Or Temperature

    ANALYZING SUCTION PRESSURE OR TEMPERATURE NOTE: Analyze discharge pressure/temperature before analyzing suction pressure/temperature. High or low discharge pressure/temperature may be causing high or low suction pressure/temperature. Suction Pressure High Checklist Problem Cause Improper Refer to Installation procedures. installation Discharge pressure/temperature is too high and is affecting suction pressure/ Discharge temperature.
  • Page 124 Suction Pressure/Temperature Low Checklist Problem Cause Improper Refer to Installation procedures. installation Discharge Discharge pressure/temperature is too pressure/ low and is affecting suction pressure/ temperature temperature. Refer to “Discharge Pressure/Temperature Low Checklist.” Improper Undercharged refrigerant Wrong type of refrigerant charge Other Non-Manitowoc components in system Restricted/plugged liquid line drier...

  • Page 125: Analyzing Discharge Pressure Or Temperature

    ANALYZING DISCHARGE PRESSURE OR TEMPERATURE 1. Determine the ice machine operating conditions:  Air temperature entering condenser  Air temperature around ice machine  Water temperature entering water reservoir 2. Refer to 24-Hour Ice Production/Refrigeration Pressure/Temperature Chart for ice machine being checked.
  • Page 126 Discharge Pressure Low Checklist Problem Cause Improper Refer to Installation procedures. installation Improper Undercharged refrigerant Wrong type of refrigerant charge Low ambient temperature High side refrigerant lines/component restricted (before mid-condenser) Suction pressure is too low and affecting discharge pressure. (Refer to “Suction Other Pressure/Temperature Low Checklist.”) No water or insufficient pressure...

  • Page 127: Analyzing Suction Pressure Or Temperature

    ANALYZING SUCTION PRESSURE OR TEMPERATURE NOTE: Analyze discharge pressure/temperature before analyzing suction pressure/temperature. High or low discharge pressure/temperature may be causing high or low suction pressure/temperature. Suction Pressure High Checklist Problem Cause Improper Refer to Installation procedures. installation Discharge pressure/temperature is too high and is affecting suction pressure/ Discharge temperature.
  • Page 128 Suction Pressure/Temperature Low Checklist Problem Cause Improper Refer to Installation procedures. installation Discharge Discharge pressure/temperature is too pressure/ low and is affecting suction pressure/ temperature temperature. Refer to “Discharge Pressure/Temperature Low Checklist.” Improper Undercharged refrigerant Wrong type of refrigerant charge Other Non-Manitowoc components in system Restricted/plugged liquid line drier...

  • Page 129: Component Check Procedures

    Component Check Procedures Control System ON/OFF ROCKER SWITCH Function The switch is used to energize and de-energize the Blend-In-Cup Beverage System. Specifications Double-pole, double-throw switch. Check Procedure Use a voltmeter/ohm meter to check switch operation. 1. Inspect the switch for correct wiring. 2.

  • Page 130: Power Relay

    POWER RELAY Function Removes full load amperage of components and motors from toggle switch. Check Procedure 1. Check for line voltage at relay coil. • Line voltage present - Replace relay • No line voltage present - Refer to toggle switch check procedure Part Number STH034 3/12...

  • Page 131: Transformer

    TRANSFORMER Function Reduces primary voltage to secondary voltage. Steps down voltage from 120 or 230 VAC to 24 VDC. Specifications Steps down voltage from: 90 - 264/50-60/1 VAC to 24 VDC 8.4 A Check Procedure 1. Inspect for correct wiring. 2.

  • Page 132: Lcd Touchscreen & Control Board

    LCD TOUCHSCREEN & CONTROL BOARD Function Touch screen is the user interface with the machine and sends input to the control board. Control board monitors inputs and sends signals to the relay board to energize and de-energize components. Specifications The LCD touchscreen display and control board work in tandem to provide user interface and control component operation.

  • Page 133: Beverage Components

    Beverage Components PRESSURE REGULATOR - WATER OR CO Function Adjusts and maintains pressure. Specification WATER Pressure Setting 30 psig (207 kPa) Pressure Setting 35 psig (241 kPa) CHECK PROCEDURE 1. Verify incoming supply pressure is within the minimum and maximum specifications, the regulator is at setpoint and the supply line is sized correctly to supply sufficient flow.

  • Page 134: Water Dispense Solenoid Valve

    WATER DISPENSE SOLENOID VALVE Function Opens and closes to control water flow. Specifications 24 VDC Check Procedure CONTINUAL WATER FLOW 1. Place power switch in off position • Flow continues - Replace valve • Flow stops - Replace relay board NO WATER FLOW 1.

  • Page 135: Syrup Solenoid Valve

    SYRUP SOLENOID VALVE Function Controls supply of CO to product pump. Specifications 24 VDC Check Procedure 1. Verify pressure regulator setting is correct. 2. Verify pressure is present at valve inlet. 3. Check for 24 VDC at coil. • 24 volts is not present - Refer to “Home Position Switch”...

  • Page 136: Product Pump

    PRODUCT PUMP Function Transfers product from bag to cup. Specifications Pressure operated, requires 35 psi (241 kPa) CO pressure. Check Procedure 1. Verify cabinet temperature is not below freezing. A frozen pump can be thawed and made operational. 2. Perform “clearing a blocked pump procedure”. 3.

  • Page 137: Step Motor

    STEP MOTOR Function Raises and lowers the blender blade to provide consistent mixing of ingredients. Specification 24 VDC Check Procedure 1. Isolate by disconnecting the wiring connectors. 2. Check continuity across the terminals with an ohm meter. • Open (OL) = Replace motor •...

  • Page 138: Blender Motor

    BLENDER MOTOR Function Mixes ingredients to maintain a consistent product. Specification 24 VDC Check Procedure 1. Isolate by disconnecting the wiring connectors. 2. Check continuity across the terminals with an ohm meter. • Open (OL) = Replace motor • Resistance = Motor windings are good 3.

  • Page 139: Home Position Switch

    HOME POSITION SWITCH Function Prevents blender motor operation if the step motor does not return to the home (up) position. Specification SPST Normally Open Check Procedure Use a voltmeter/ohm meter to check switch operation. 1. Inspect the switch for correct wiring. 2.

  • Page 140: Door Switch

    DOOR SWITCH Function Prevents blender motor operation if the door/switch is not closed. Specification Magnetically operated SPST normally open switch. Check Procedure Use a voltmeter/ohm meter to check switch operation. 1. Inspect the switch for correct wiring. 2. Isolate the switch by disconnecting the wiring connectors.

  • Page 141: Water Rinse Solenoid Valve

    WATER RINSE SOLENOID VALVE Function Opens and closes to control water flow. Specifications 24 VDC Check Procedure CONTINUAL WATER FLOW 1. Place power switch in off position • Flow continues - Replace valve • Flow stops - Replace relay board NO WATER FLOW 1.

  • Page 142: Ice Machine Components

    Ice Machine Components VERSION 1 ICE MACHINE R404A REFRIGERANT - SOLID STATE TIMER Function The ice Machine is controlled by the timer board for the following purposes: • To prevent the gear motor and the compressor from starting or stopping simultaneously. •...
  • Page 143 Ice Machine Relay Functions S1 Power ON/OFF Switch CB Timer Board S2 ICE/FLUSH Switch TR Control Transformer F1 1A Control Fuse F2 2A Gear Motor Fuse RC Run Capacitor C2 Fan Motor Capacitor SC Start Capacitor C1 Gear Motor Capacitor X3 Circuit Protect Relay SR Comp Start Relay X4 Gear Motor Protect Relay...
  • Page 144 X4 Gear Motor Protect Relay – This relay coil energizes when there is current flow through the gear motor windings. If there is no current flow i.e. open protector, open windings, no power, the GMPR will not energize and close contacts 4 and 6 which tie to timer board terminals 10 and 11 which is the gear motor proofing circuit.
  • Page 145 X6 Gear Motor Control Relay – This relay coil is connected to one side of the control transformer and terminal 8 on the timer board. When terminal 8 closes: • Contacts 10 and 6 closes to start the condenser fan motor, •...

  • Page 146: Version 1 Ice Machine R404A Refrigerant - Solid State Time Delay Relay

    VERSION 1 ICE MACHINE R404A REFRIGERANT - SOLID STATE TIME DELAY RELAY Function Initiates time delay to prevent compressor short cycling. specification 120 VAC or 230 VAC SPDT 1 - 100 second adjustable Delay On Break time delay relay. Operation Line voltage must be applied to Terminals 1 &...

  • Page 147: Version 1 Ice Machine R404A Refrigerant - Float Switch/Water Control Relay

    VERSION 1 ICE MACHINE R404A REFRIGERANT - FLOAT SWITCH/WATER CONTROL RELAY Function The float switch works with the water control relay to fill reservoir. When the reservoir is empty, the upper float is the control float - The water inlet valve energizes until the upper float closes.

  • Page 148: High Pressure Cutout (Hpco) Control

    HIGH PRESSURE CUTOUT (HPCO) CONTROL FUNCTION Stops the ice machine if subjected to excessive high- side pressure. The HPCO control is normally closed, and opens on a rise in discharge pressure. SPECIFICATIONS. Specifications Cut-Out Cut-In 2930 kPa ±29.30 bar ±.69 Automatic Reset 425 psig ±10 Must be below 1978 kPa 19.78 bar (287 psig) to reset.

  • Page 149: Infrared Ice Bin Control - All Models

    INFRARED ICE BIN CONTROL - ALL MODELS Function Infrared ice bin control senses ice level and starts/ stops ice production specification 20-250 VAC 50/60hz, SPST, Dark Operated, 4 inch Sensing Range, Infrared LED, Solid State Switch Check Procedure NOTE: Sensor is reverse acting - The sensor sends a power signal on the black wire until ice is sensed.

  • Page 150: Refrigerated Cabinet

    Refrigerated Cabinet TEMPERATURE THERMISTOR - NOZZLE, CABINET OR DEFROST Function Supplies input to control board to indicate nozzle, cabinet or defrost temperature. The control board energizes and de-energizes the compressor based on input from the thermistors. Specifications 5,000 Ohms ± 2% at 25°C (77°F) 16,330 Ohms ±...
  • Page 151 Temperature/Resistance Chart This chart is used for the temperature control thermistors. As the temperature rises at the thermistor block, the resistance drops. If the ohmmeter reads “OL,” check the scale setting on the meter before assuming the thermistor is bad. °C °F -17.8...

  • Page 152: Evaporator Fan Motor

    EVAPORATOR FAN MOTOR Function Moves cabinet air through the evaporator to maintain cabinet temperature at setpoint. Check Procedure 1. Isolate by disconnecting the wiring connectors. 2. Check continuity across the terminals with an ohm meter. • Resistance = Motor windings are good •...

  • Page 153: Chase Fan Motor

    CHASE FAN MOTOR Function Moves cool air from the cabinet through the tubing chase to maintain cabinet temperature in the beverage lines. Specifications 24 VDC 2.4 watt Check Procedure 1. Isolate by disconnecting the wiring connectors. 2. Check continuity across the terminals with an ohm meter.

  • Page 154: Condenser Fan Motor

    CONDENSER FAN MOTOR Function Moves air through the condenser to condense refrigerant from vapor to liquid state. Check Procedure 1. Isolate by disconnecting the wiring connectors. 2. Check continuity across the terminals with an ohm meter. • Resistance = Motor windings are good •...

  • Page 155: Compressor Electrical Diagnostics

    Compressor Electrical Diagnostics THE COMPRESSOR DOES NOT START OR WILL TRIP REPEATEDLY ON OVERLOAD CHECK RESISTANCE (OHM) VALUES Compressor windings can have very low ohm values. Use a properly calibrated meter. Perform the resistance test after the compressor cools. The compressor dome should be cool enough to touch (below 120°F/49°C) to assure that the overload is closed and the resistance readings will be accurate.

  • Page 156: Compressor Drawing Locked Rotor

    COMPRESSOR DRAWING LOCKED ROTOR To determine if the compressor is seized, check the amp draw while the compressor is trying to start. The two likely causes of this are a defective starting component and a mechanically seized compressor. To determine which you have: Install high and low side gauges.

  • Page 157: Filter-Driers

    Filter-Driers The size of the filter-drier is important due to a critical refrigerant charge. Using an improperly sized filter- drier will cause the refrigeration system to be improperly charged with refrigerant. Driers are covered as a warranty part. The drier must be replaced any time the system is opened for repairs.
  • Page 158 This Page Intentionally Left Blank Part Number STH034 3/12...

  • Page 159: Total System Refrigerant Charge

    Charts Total System Refrigerant Charge This information is for reference only. Refer to the Blend-In-Cup Beverage System model/serial number tag to verify the system charge. Serial plate information overrides information listed on these pages. Warning Refrigerant type and amount varies by model. Machines may use R404A or R290 refrigerant.

  • Page 160: Operational Charts

    Operational Charts Characteristics will vary depending on operating conditions. R404A REFRIGERANT - REFRIGERATED CABINET OPERATING PRESSURES Air Temperature Discharge Pressure Suction Pressure Entering PSIG PSIG Condenser °F/°C 80/27 205-290 48-62 Part Number STH034 3/12...

  • Page 161: Version 1 Ice Machine R404A Refrigerant - Ice Machine Performance Chart

    VERSION 1 ICE MACHINE R404A REFRIGERANT - ICE MACHINE PERFORMANCE CHART APPROXIMATE ICE Ambient Water Temp. (°F) PRODUCTION PER Temp. 24 HR. (°F) lbs./day kg/day APPROXMATE WATER CONSUMPTION PER 24 HR. gal./day liter/day EVAPORATOR OUTLET TEMP °F °C HEAD PRESSURE 15.8 15.8 15.8...

  • Page 162: Version 2 Ice Machine - R290 Refrigerant

    VERSION 2 ICE MACHINE - R290 REFRIGERANT Air Temperature/ 24 Hour Ice kWH/45 kg Water Temperature Production °C 21°C/10°C 186 kg 4.21 32°C/10°C 156 kg 5.24 43°C/38°C 122 kg 6.93 Air Temperature Discharge Suction Entering Temperature Temperature Condenser °C 21°C 31-38 -24 to -17 32°C...

  • Page 163: Wiring Diagrams

    Diagrams Wiring Diagrams The following pages contain electrical wiring diagrams. Be sure you are referring to the correct diagram for the Blend-In-Cup Beverage System you are servicing. Warning Always disconnect power before working on electrical circuitry. Part Number STH034 3/12...
  • Page 164 This Page Intentionally Left Blank Part Number STH034 3/12...

  • Page 165: Version 1 Ice Machine R404A Refrigerant - Control System Wiring Diagram

    VERSION 1 ICE MACHINE R404A REFRIGERANT - CONTROL SYSTEM WIRING DIAGRAM ADD FOR DOUBLE SPINDLE MB-8-1 Mfg: Mean Well BLENDER Model: MPS-120-24 EXTERNAL BLENDER ASSEMBLY CAPACITOR EXTERNAL 0.1µF 275V ASSEMBLY +24 VDC, 8.4 A CAPACITOR 0.1µF 275V USB PORT POWER SUPPLY...
  • Page 166 VERSION 1 ICE MACHINE R404A REFRIGERANT - REFRIGERATION CABINET WIRING DIAGRAM DISPENSE WATER SHT1 REFRIGERATION DUCT FAN 24V SHT1 CABINET LEFT RIGHT EVAPORATOR EVAPORATOR EVAPORATOR FAN AC SYRUP SHT1 SOLENOID MANIFOLD EVAPORATOR DEFROST DUCT FAN PROBE SYRUP PUMP SYRUP VALVES SHT1 NOZZLE PROBE...

  • Page 167: Version 1 Ice Machine R404A Refrigerant - Ice Maker & Ice Dispenser Wiring Diagram

    VERSION 1 ICE MACHINE R404A REFRIGERANT - ICE MAKER & ICE DISPENSER WIRING DIAGRAM ICE MAKER AND ICE DISPENSER Bin Overflow Switch WATER INLET SHT1 Ice Maker Water Inlet Solenoid ICE CAROUSEL AC Valve SHT1 LTBLU POWER ENTRY MODULE Float Switch AC GEARMOT OR MFG: BISON CHASSIS...

  • Page 168: Version 1 Ice Machine R404A Refrigerant - Ice Maker Wiring Diagram

    VERSION 1 ICE MACHINE R404A REFRIGERANT - ICE MAKER WIRING DIAGRAM ICE MAKER ELECTRICAL ENCLOSURE AC NEUTRAL 15.0UF GEAR MOTOR MOTOR STARTING RELAY AC NEUTRAL 3ARR3KC5M5 20UF ICE MAKER 5.0UF CONDENSER LTBLU 243-292UF GEAR MOTOR FUSE (2A) AC NEUTRAL AC NEUTRAL IN SWT AC LINE LTBLU XFMR...

  • Page 169: Version 1 Ice Machine R404A Refrigerant - Ice Machine Wiring Diagram

    VERSION 1 ICE MACHINE R404A REFRIGERANT - ICE MACHINE WIRING DIAGRAM Part Number STH034 3/12...

  • Page 170: Version 1 Ice Machine R404A Refrigerant - Ice Machine Logic Diagram

    VERSION 1 ICE MACHINE R404A REFRIGERANT - ICE MACHINE LOGIC DIAGRAM Part Number STH034 3/12...
  • Page 171 POWER SWITCH CONTROL SWITCH FLOAT SWITCH HIGH PRESSURE SWITCH CIRCUIT PROTECT RELAY GEAR MOTOR PROTECT RELAY WATER CONTROL RELAY GEAR MOTOR RELAY STARTER START CAPACITOR RUN CAPACITOR CONTROL BOARD CAPACITOR (GEAR MOTOR) CAPACITOR (FAN MOTOR) COMPRESSOR GEAR MOTOR FAN MOTOR THERMAL PROTECTOR (GM) TRANSFORMER FUSE (1A)

  • Page 172: Version 2 Ice Machine R290 Refrigerant - Control System Wiring Diagram

    VERSION 2 ICE MACHINE R290 REFRIGERANT - CONTROL SYSTEM WIRING DIAGRAM Part Number STH034 3/12...

  • Page 173: Version 2 Ice Machine R290 Refrigerant - Refrigeration Cabinet Wiring Diagram

    VERSION 2 ICE MACHINE R290 REFRIGERANT - REFRIGERATION CABINET WIRING DIAGRAM Part Number STH034 3/12...

  • Page 174: Version 2 Ice Machine R290 Refrigerant - Ice Maker & Ice Dispenser Wiring Diagram

    VERSION 2 ICE MACHINE R290 REFRIGERANT - ICE MAKER & ICE DISPENSER WIRING DIAGRAM Part Number STH034 3/12...

  • Page 175: Version 2 Ice Machine R290 Refrigerant - Ice Maker Wiring Diagram

    VERSION 2 ICE MACHINE R290 REFRIGERANT - ICE MAKER WIRING DIAGRAM Part Number STH034 3/12...

  • Page 176: Water And Refrigeration Circuit Version 1 Ice

    Water and Refrigeration Circuit Version 1 Ice Machine R404A Refrigerant CONTROL SPOUT WATER VALVE FLOAT SWITCH WATER WATER LEVEL INLET EVAPORATOR RESERVOIR OVERFLOW EXPANSION VALVE GEAR MOTOR FLUSH WATER VALVE DRAIN PAN DRIER CONDENSER CONDENSER FAN MOTOR PRESSURE SWITCH COMPRESSOR WATER CIRCIUT REFRIGERANT CIRCUIT Part Number STH034 3/12...
  • Page 178 Manitowoc Foodservice 2100 Future Drive Sellersburg, IN 47172, USA Ph: 812-246-7000 Fax: 812-246-7026 Visit us online at: www.manitowocfsg.com © 2012 Manitowoc Part Number STH034 3/12...

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