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Vollrath Stoelting U411 Operator's Manual

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Model U411
OPERATORS MANUAL
Manual No. 513680
Rev.0

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Summary of Contents for Vollrath Stoelting U411

  • Page 1 Model U411 OPERATORS MANUAL Manual No. 513680 Rev.0...
  • Page 3 This manual provides basic information about the machine. Instructions and suggestions are given covering its operation and care. The illustrations and specifi cations are not binding in detail. We reserve the right to make changes to the machine without notice, and without incurring any obligation to modify or pro- vide new parts for machines built prior to date of change.
  • Page 4 A Few Words About Safety Safety Information Safety Alert Symbol: Read and understand the entire manual before This symbol Indicates danger, warning or caution. operating or maintaining Stoelting equipment. Attention is required in order to avoid serious per- sonal injury. The message that follows the symbol This manual provides the operator with information contains important information about safety.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Section Description Page Description and Specifi cations Description ....................1 Specifi cations ..................... 2 Installation Instructions Safety Precautions ..................3 Shipment and Transit .................. 3 Machine Installation ..................3 Installing Wiring ..................3 Mix Pump ....................4 Mix Pump Hose Installation..................
  • Page 6 Section Description Page Maintenance and Adjustments Overrun Adjustment ..................17 Mix Pump Hose Reposition ................ 17 Mix Pump Hose Replacement ..............18 Fine Consistency Adjustment ..............19 Drive Belt Tension Adjustment ..............19 Condenser Cleaning (Air-Cooled Machines) ..........19 Preventative Maintenance ................19 Extended Storage ..................

  • Page 7: Description And Specifications

    SECTION 1 DESCRIPTION AND SPECIFICATIONS DESCRIPTION The Stoelting U411 fl oor model machine is pressure fed. It is equipped with fully automatic controls to provide a uniform product. This manual is designed to assist qualifi ed service per- sonnel and operators with installation, operation and maintenance of the U411.

  • Page 8: Specifications

    SPECIFICATIONS Model U411 Dimensions Machine with crate width 19-1/8’’ (48,6 cm) 27’’ (68,6 cm) height 68-3/8’’ (173,7 cm) 78’’ (198,1 cm) depth 37-5/8’’ (95,6 cm) 48’’ (121,9 cm) Weight 450 lbs (204,1 kg) 650 lbs (294,8 kg) Electrical 1 Phase, 208-240 VAC, 60Hz 3 Phase, 208-240 VAC, 60Hz running amps connection type...

  • Page 9: Installation Instructions

    SECTION 2 INSTALLATION INSTRUCTIONS 2.1 SAFETY PRECAUTIONS PRIOR TO INSTALLATION Locate a copy of the service contact fi le (info.txt). Do not attempt to operate the machine until the safety precautions and operating instructions in this manual are Modify the info.txt fi le with information from the read completely and are thoroughly understood.

  • Page 10: Mix Pump

    6” (15cm) Figure 2-2 Mix Hose Installation Remove the back panel and the junction box Feed one end of the mix pump hose into the cover located at the bottom of the machine. entering or pickup hose side (left) of black cover Install permanent wiring according to local code.

  • Page 11: Mix Pickup Hose Installation

    Figure 2-3 Mix Pump Connections for Standard Mix Container Connect the free end of the mix pump hose to Connect 1/2” ID plastic food grade tubing to a the 3-way Tee (Fig. 2-3). When all connections bag adapter. Secure with hose clamps. are complete, the 3-way Tee must be lower than Slide the hose clip over free end of 1/2”...

  • Page 12: Intellitec2™ Setup

    When Using Bag Connection System (BCS) with One 2.6 INTELLITEC2™ SETUP or Two Bags (optional kit #2183987): Disassemble, clean, lubricate and assemble the When connecting one or two bags, the manifold adapt- machine following the steps in Section 3. ers must be installed closest to the manifold outlet and Fill the mix container in the cabinet with sanitizer.
  • Page 13 MOTOR CALIBRATION Before starting the motor calibration, be sure there is sanitizer in the freezing cylinder. Press the On/Off button. The Motor Calibration screen will be displayed. Figure 2-7 The screen will change and show “File Found” for a quick second while it updates the information. After updating the contact information, the screen will show the Service Contact Information page.
  • Page 14 SETTING CONSISTENCY SETTING DISCHARGE PRESSURE ON WATER COOLED MACHINES Fill the mix container with liquid mix. Water cooled machines require the water Press the Pump On/Off button. Prime the freezing condenser valves to be adjusted to maintain a cylinder. After the pump button is pressed, mix will 235-240 psig discharge pressure.

  • Page 15: Initial Set-Up And Operation

    SECTION 3 INITIAL SET-UP AND OPERATION 3.1 OPERATOR’S SAFETY PRECAUTIONS 3.2 OPERATING CONTROLS AND INDICATORS SAFE OPERATION IS NO ACCIDENT; observe these Before operating the machine, it is required that the op- rules: erator know the function of each operating control. Refer to Figure 3-1 for the location of the operating controls on Know the machine.

  • Page 16: Intellitec™ Touchpad

    A. INTELLITEC2™ TOUCHPAD Main Power On/Off The Main Power button is used to supply power to the IntelliTec2™ control, the freezing cylinder circuits and the storage refrigeration system. When the machine is fi rst plugged in, the control defaults to the On status with power to the cabinet only.

  • Page 17: Remove Front Door

    When the product in the barrel has melted (after about 5 minutes), press the CLEAN button and open the spigot to drain. Close the spigot. Fill the bucket with 2 gallons (8 liters) of cool tap water and put the mix pickup assembly into the bucket.

  • Page 18: Sanitizing Parts

    Rinse all parts with clean 90° to 110°F (32°C to 43°C) water. Petrol-Gel Sanitize all machine parts following procedures outlined below. 3.5 SANITIZING PARTS Use a sanitizer, mixed according to manufacturer’s instructions, to provide a 100 parts per million strength solution. Mix sanitizer in quantities of no less than 2 gallons of 90°...

  • Page 19: Sanitizing

    Make sure the display shows the freezing cylinder is off. If it is not, press the On/Off button to turn it off. NOTE If the freezing cylinder is not off, the control will not go into Clean mode. This is to protect from ac- cidentally going into Clean mode.

  • Page 20: Freeze Down And Operation

    3.9 FREEZE DOWN AND OPERATION 3.10 MIX INFORMATION Refer to the following procedures to operate both freez- Mix can vary considerably from one manufacturer to ing cylinders. another. Differences in the amount of butterfat content and quantity and quality of other ingredients have a Sanitize immediately before use.

  • Page 21: Mix Pump Cleaning

    NOTE Press the Pump button to turn the pump Off. Open the spigot to relieve the remaining pressure. The mix pump motor is equipped with an internal overload that will “trip”, disabling the pump when Press the Clean button to stop the cleaning cycle the motor is overloaded.
  • Page 22 Figure 3-10 Mix Pump Removable Parts Completely disassemble the hose assembly and the check valve (Fig. 3-10). Place hoses, tee, check valve assembly, and pickup hose adapter in 90° to 110°F (32°C to 43°C) mild detergent water and wash thoroughly. Use soft bristle brushes to clean inside of fi...

  • Page 23: Maintenance And Adjustments

    SECTION 4 MAINTENANCE AND ADJUSTMENTS This section is intended to provide maintenance personnel On the air compressor side of the pump, locate with a general understanding of the machine adjustments. the long/slender piston rocking arm. The rocking It is recommended that any adjustments in this section arm downward travel is limited by a stationery be made by a qualifi...

  • Page 24: Mix Pump Hose Replacement

    From the Current Status screen on the control Use a brush that fi ts in the opening and clean the press the left arrow button. pump roller assembly, fi rst with detergent water and then clear water. Press the right arrow, SET, then select button to get technician access to the control Connect the new mix pump hose to the pickup hose adapter using the small clamp.

  • Page 25: Fine Consistency Adjustment

    FINE CONSISTENCY ADJUSTMENT CONDENSER CLEANING (AIR-COOLED MACHINES) Product consistency can be adjusted on the Fine Consis- tency Adjustment screen. To get to the Fine Consistency The condenser requires periodic cleaning. To clean the Adjustment Screen, press the right arrow then the SEL condenser, refer to the following steps: button from the Current Status screen.
  • Page 26 Place the plastic auger fl ights in a plastic bag with a moist paper towel. This will prevent the fl ights from becoming brittle if exposed to dry air over an extended period (over 30 days). For water-cooled machines that are left in unheated buildings, or buildings subject to freezing, the water must be shut off and disconnected.

  • Page 27: Troubleshooting

    SECTION 5 TROUBLESHOOTING 5.1 ERROR CODES Error Code 3 - Run Time The Run Time Error (E3) occurs when the When the machine experiences a problem, one of the compressor runs continuously for an extended following error codes will be displayed on the control period.
  • Page 28 Error Code 5 - Freezing Cylinder Sensor Error Code 10 - Auxiliary Sensor The Freezing Cylinder Sensor Error (E5) indicates An Auxiliary Temperature Sensor Error (E10) a failure of the barrel sensor or if the sensor is occurs if the temperature sensor on the control out of range.

  • Page 29: Troubleshooting - Machine

    5.3 TROUBLESHOOTING - MACHINE PROBLEM POSSIBLE CAUSE REMEDY 1 Power to machine is off. 1 Supply power to machine. Machine does not 2 Freeze-up (auger will not turn). 2 Turn off cylinder, wait for 15 minutes, then run. restart. 3 Front door not in place. 3 Assemble front door in place.

  • Page 30: Troubleshooting - Mix Pump

    5.4 TROUBLESHOOTING - MIX PUMP PROBLEM POSSIBLE CAUSE REMEDY 1 Power to pump is off. 1 Supply power to pump. 2 Low voltage. 2 Check for low voltage. 3 Mix pump hose jammed inside black 3 Disconnect pump from power source. Remove cover/clamp.
  • Page 31 PROBLEM POSSIBLE CAUSE REMEDY 1 Mix pump hose service life is 1 Reposition/replace mix pump hose. exceeded. 2 Out of mix. 2 Replenish mix supply. Overrun too high. 3 Overrun setting too high. 3 Decrease overrun setting. 4 Pick-up leg of mix pump hose is 4 Reposition hose.
  • Page 32 Operators Manual #513680 Rev.0 U411 Model Machines...

  • Page 33: Replacement Parts

    SECTION 6 REPLACEMENT PARTS BRUSHES, DECALS AND LUBRICATION Part Number Description Quantity 208135 Brush - 4” X 8” X 16” (Barrel) 208380 Brush - 1/4” X 3” X 14” 208387 Brush - 5” X 1/2” X 24” 208465 Brush - 1” X 3-1/2” X 18” 208467 Brush - 3/8”...

  • Page 34: Auger Shaft And Front Door Parts

    AUGER SHAFT AND FRONT DOOR PARTS Part Number Description Quantity 149003 Bushing - Front Auger Support 232734 Cap - Rosette 381804 Auger Flight 482004 Knob (Air Bleed Valve) 482019 Knob - Front Door (Black) 624520 O-Ring - Air Bleed Valve - Black 624598 O-Ring - Spigot - Black 624677...

  • Page 35: Cab Tubing

    CAB TUBING Part Number Description Quantity 264235 Clamp - Metal (1/4” ID Tubing) 264241 Clamp - Metal (1/2” ID Tubing) 376041 Tee Connector - 3-Way (Stainless) 376097 Elbow - Barbed (1/2”- 1/4”) 558109 Mix Container Only 624607-5 O-Ring - Check Valve Body - Black (5 Pack) 694247 Spring - Check Valve 696152...
  • Page 36 Operators Manual #513680 Rev.0 U411 Model Machines...
  • Page 37 DOMESTIC WARRANTY (Including Mexico) SOFT SERVE / SHAKE EQUIPMENT 1. Scope: PW Stoelting, L.L.C. (“Stoelting”) warrants to the first user (the “Buyer”) that the freezing cylinders, hoppers, compressors, drive motors, speed reducers, and augers of Stoelting soft serve / shake equipment will be free from defects in materials and workmanship under normal use and proper maintenance appearing within five (5) years, and that all other components of such equipment manufactured by Stoelting will be free from defects in material and workmanship under normal use...

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