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Vollrath STOELTING SU444-I2 Series Operator's Manual

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A VOLLRATH® DIVISION
Model SU444-I2
OPERATORS MANUAL
Manual No. 513684
Rev.2

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Summary of Contents for Vollrath STOELTING SU444-I2 Series

  • Page 1 A VOLLRATH® DIVISION Model SU444-I2 OPERATORS MANUAL Manual No. 513684 Rev.2...
  • Page 3 Stoelting White Glove Service. For warranty information, visit stoeltingfoodservice.com Stoelting Foodservice Equipment White Glove Service Network 502 Highway 67 Phone: 888.319.9549 Kiel, WI 53042-1600 A VOLLRATH® DIVISION U.S.A. © 2020 Stoelting stoeltingfoodservice.com...
  • 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 personal injury. The message that follows the symbol contains This manual provides the operator with information 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 Check Blender Rotation ................4 Mix Pump ....................
  • Page 6 Section Description Page Troubleshooting Error Codes ....................23 Troubleshooting - Error Codes ..............23 Troubleshooting - Machine ................. 25 Troubleshooting - Mix Pump ............... 26 Replacement Parts Brushes, Decals and Lubrication ..............29 Left Side Soft Serve Auger Shaft and Front Door Parts ......30 Right Side Shake Auger Shaft and Front Door Parts .........

  • Page 7: Description And Specifications

    SECTION 1 DESCRIPTION AND SPECIFICATIONS DESCRIPTION The Stoelting SU444 I2 fl oor model machine is pressure fed. It is equipped with fully automatic controls to provide a uniform product. The SU444 I2 is designed to dispense soft serve product from the left side and shake product from the right side.

  • Page 8: Specifications

    SPECIFICATIONS SU444 I2 Water Cooled SU444 I2 A/C & Remote Dimensions Machine with crate Machine with crate width 26-3/4’’ (67,9 cm) 34’’ (86,4 cm) 26-3/4’’ (67,9 cm) 34’’ (86,4 cm) height 67-1/2’’ (171,5 cm) 78’’ (198,1 cm) 67-1/2’’ (171,5 cm) 78’’...

  • 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: Check Blender Rotation

    6” (15cm) Figure 2-2 Mix Hose Installation Remove the back panel and the junction box WARNING cover located at the bottom of the machine. Install permanent wiring according to local code. Hazardous Moving Parts Check the auger shaft rotation by pressing the Blender shaft and agitator can grab and cause Main Power On/Off button and pressing the On/Off injury.
  • Page 11 Figure 2-3 Mix Pump Connections for Standard Mix Container Allow the hose to feed itself through the pump B. MIX PICKUP HOSE INSTALLATION until about 6” (15cm) remains on the entering The machine may be connected to the standard mix side.

  • Page 12: Intellitec2™ Setup

    Slide the hose clip over free end of 3/8” (9,5mm) Place the mix bag(s) into the mix container. ID plastic food grade tubing. Attach the free end Connect the bag adapter attached to the left side of the tubing to a manifold adapter. Secure with of the manifold (closest to the mix outlet) to the a large hose clamp or equivalent.
  • Page 13 MOTOR CALIBRATION Before starting the motor calibration, be sure there is sanitizer in the freezing cylinder. Press the On/Off Left or On/Off Right 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.
  • 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: Disassembly Of Left Side

    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 hopper only.

  • Page 17: Disassembly Of Right Side

    Remove O-Ring From Inside Insert Collar Shaft Agitator Figure 3-3 Rear Seal Assembly Keep the rear of the auger tipped up once it is clear of the freezing cylinder to prevent the rear seal assembly from dropping. Figure 3-4 SU444 Blender Agitator Assembly Wipe the spline lubricant off the hex end of the Loosen knobs holding the blender splash shield auger with a paper towel.

  • Page 18: Cleaning Disassembled Parts

    Wipe the spline lubricant off the hex end of the Do not use highly abrasive materials, as they will mar the auger with a paper towel. Remove the rear seal fi nish. A mild alkaline cleaner is recommended. Use a soft assembly.

  • Page 19: Assembling The Right Side

    Secure the front door to the machine by placing the knobs on the studs and tightening until fi nger tight. Do not overtighten. Proper o-ring seal can be observed through the transparent front door. 3.9 ASSEMBLING THE RIGHT SIDE Refer to the following steps for assembling the right freezing cylinder: NOTICE Petrol-Gel sanitary lubricant or equivalent must be...

  • Page 20: Sanitizing

    Lubricate the hex drive end of the auger with a CAUTION small amount of spline lubricant. A small container of spline lubricant is shipped with the machine. Risk of Product Damage Install the plastic scraper blades onto the auger Avoid prolonged contact of sanitizer with machine and insert the auger into the freezing cylinder.

  • Page 21: Normal Freeze Down And Operation

    3.11 NORMAL FREEZE DOWN AND Do not operate the machine when the MIX LOW message is displayed. Refi ll the mix containers OPERATION immediately. Refer to the following procedures to operate both freez- NOTE ing cylinders. The machine has a standby and sleep mode. After Sanitize immediately before use.

  • Page 22: Mix Pump Cleaning

    Remove the suction tube from the mix container. Open the spigot to remove the mix remaining in Air/mix to the freezing cylinder. Air Line Freeezing Pump 2 gallons (7.5 liters) of potable water through Cylinder machine until the water coming out of the spigot is clear.
  • Page 23 Figure 3-8 Mix Pump Removable Parts Completely disassemble the hose assembly and the check valve (Fig. 3-8). 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 24 Owner’s Manual #513684 SU444I2 Model Machines...

  • Page 25: 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 26: Mix Pump Hose Replacement

    Connect the mix pump hose to the elbow fi tting (located on the left side of the mix line manifold) using a small hose clamp. Be careful not to twist the mix hose. Turn the pump on. Allow the remaining 6" (15cm) of tubing to feed through the pump until the hose adapter prevents further feeding and turn the pump off.

  • Page 27: Drive Belt Tension Adjustment

    DRIVE BELT TENSION ADJUSTMENT PREVENTATIVE MAINTENANCE To check belt tension, follow the steps below: It is recommended that a preventative maintenance schedule be followed to keep the machine clean and Remove a side panel and the back panel. operating properly. The following steps are suggested as Use a Burroughs Belt Tension Gauge to set the a preventative maintenance guide.
  • Page 28 Owner’s Manual #513684 SU444I2 Model Machines...

  • Page 29: Troubleshooting

    SECTION 5 TROUBLESHOOTING 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 30 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 31: Troubleshooting - Machine

    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 32: Troubleshooting - Mix Pump

    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 33 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 34 Owner’s Manual #513684 SU444I2 Model Machines...

  • Page 35: 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 - 1/2” X 5” X 24” 208465 Brush - 1” X 3-1/2” X 18” 208467 Brush - 3/8”...

  • Page 36: Left Side Soft Serve Auger Shaft And Front Door Parts

    LEFT SIDE SOFT SERVE AUGER SHAFT AND FRONT DOOR PARTS 667868 624678 381804 694255 2187880 2104552 Install O-Ring 2183106 Into Groove 2202179-SV 625133 149003 624520 2187696 482004 2187680 624598 694200 Part Number Description Quantity 149003 Bushing - Front Auger Support 381804 Auger Flight 482004...

  • Page 37: Right Side Shake Auger Shaft And Front Door Parts

    RIGHT SIDE SHAKE AUGER SHAFT AND FRONT DOOR PARTS 667868 624678 2183751 2183106 2187880 2187877 625314 336548-SV Install O-Ring 2187941 Into Groove 694200 482004 624520 2187878 482019 624614 Part Number Description Quantity 336548-SV Front Door 482004 Knob (Air Bleed Valve) 482019 Knob - Front Door (Black) 624520...

  • Page 38: Blender Parts And Drip Tray

    BLENDER PARTS AND DRIP TRAY 417010 274031 521026 674183 744287 681518 Part Number Description Quantity 274031 Blender Agitator Collar 417010 Grid - Drip Tray (Metal) 521026 Blender Agitator 674183 Blender Shaft 681518 Swing Shield (Plastic) 744262 Tray - Drain (Shake) 744276 Tray - Drain (Soft Serve) 744287...

  • Page 39: Cab Tubing

    CAB TUBING Part Number Description Quantity 264235 Clamp - Metal (1/4” ID Tubing) (Cab) 264241 Clamp - Metal (1/2” ID Tubing) (Cab) 376097 Elbow - Barbed (1/2”- 1/4”) (Cab) 376041 Tee Connector - 3-Way (Stainless) (Cab) 558109 Mix Container Only (Cab) 624609 O-Ring - Check Valve Body - Black (Cab) 694247...
  • Page 40 Owner’s Manual #513684 SU444I2 Model Machines...

This manual is also suitable for:

Stoelting su444 i2 water cooledStoelting su444 i2 a/c & remote

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