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Vollrath STOELTING F431 Operator's Manual

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Model F431
OPERATORS MANUAL
Manual No. 513604
Rev.5

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Summary of Contents for Vollrath STOELTING F431

  • Page 1 Model F431 OPERATORS MANUAL Manual No. 513604 Rev.5...
  • 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 Section 1 Introduction Description ....................1 Specifi cations ..................... 2 Section 2 Installation Instructions Safety Precautions ..................3 Shipment & Transit ..................4 Machine Installation ..................4 Installing Permanent Wiring ................ 4 Mix Pump ....................5 Section 3 Initial Set-Up and Operation Safety Precautions ..................
  • Page 6 Section Description Page Section 4 Maintenance and Adjustments Machine Adjustment ................... 21 Product Consistency Adjustment ..............21 Locking Out Control Panel ................21 Obtaining Readings and Modifying Settings (Service Personnel Only) ..21 Readings (Service Personnel Only) ............22 Adjustments (Service Personnel Only) ............23 Other Settings (Service Personnel Only) ............

  • Page 7: Section 1 Introduction

    SECTION 1 INTRODUCTION 1.1 DESCRIPTION The Stoelting F431 fl oor model machine is pressure fed. The machine is equipped with fully automatic controls to provide a uniform product. The machine is designed to operate with almost any type of commercial soft-serve or non-dairy mixes available, including ice milk, ice cream, yogurt, and frozen dietary desserts.

  • Page 8: Specifications

    1.2 SPECIFICATIONS Model F431 Dimensions Machine with crate width 19-1/8’’ (48,6 cm) 27’’ (68,6 cm) height 67-7/8’’ (172,4 cm) 78’’ (198,1 cm) depth 37-3/4’’ (95,9 cm) 48’’ (121,9 cm) Weight 500 lbs (226,7 kg) 650 lbs (294,8 kg) Electrical 1 Phase, 208-240 VAC, 60Hz 24A minimum circuit ampacity overcurrent protection...

  • Page 9: Section 2 Installation Instructions

    SECTION 2 INSTALLATION INSTRUCTIONS 2.1 SAFETY PRECAUTIONS If you are in need of replacement labels, indicate the part number, type of label, location of label, and quantity Do not attempt to operate the machine until the safety required along with your name and address and mail to: precautions and operating instructions in the manual are Stoelting, LLC read completely and are thoroughly understood.

  • Page 10: Machine Installation

    With the method of packaging used, the equipment should If permanent wiring is required by local codes, the follow- arrive in excellent condition. THE CARRIER IS RESPON- ing procedure must be performed: SIBLE FOR ALL DAMAGE IN TRANSIT, WHETHER Refer to the nameplate on the side panel of the VISIBLE OR CONCEALED.

  • Page 11: Mix Pickup Hose Installation

    6" (15cm) Figure 2-3 Mix Hose Installation Turn pump on. Feed one end of mix pump hose into the entering CAUTION or pickup hose side (left) of black cover. Risk of product damage NOTE Air/mix Tee must remain below the black cover/ Feed the tube into the clamp so the natural curve of clamp.
  • Page 12 Figure 2-4 Mix Pump Connections for Standard Mix Container Connect elbow fi tting to free end of tubing. Connect opposite end of elbow to 1/4" ID tan tubing on the left side of pump head. Secure with hose clamps (see Figure 2-3 and 2-4). When Using Bag Connection System (BCS) with Two Bags Per Side (optional kit #2183189): Connect 3/8"...
  • Page 13  3-way Tee Low Mix  Indicator  Adjustment Knobs Figure 2-6 Connecting Pump Hose to BCS Manifold Figure 2-7 Completed BCS Hose Assembly Attach free end of tubing to a manifold adapter. Place one mix bag into each mix container as Secure with large hose clamp or equivalent.

  • Page 14: Mix Low Level Indicator Adjustment

    When Using Two Mix Containers or Bag Connection Systems (BCS) on one Side (optional kit #2183189): The F431 can be confi gured to operate with only one freezing cylinder turned on. This may be done if only one fl avor is being dispensed during slow times. In this case, running only one freezing cylinder will help minimize product breakdown, while reducing mix container fi...

  • Page 15: Section 3 Initial Set-Up And Operation

    SECTION 3 INITIAL SET-UP AND OPERATION 3.1 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 A. Main Freezer Power Switch H. Clean Button The Main Freezer Power switch is a two position rocker The CLEAN button is a membrane, or “snap” switch. When switch that supplies power to the IntelliTec control, freezing the button is pressed, the freezing cycle stops and the cylinder circuits and lower cabinet refrigeration system.

  • Page 17: Important Cleaning And Sanitizing Information

    Selection Button (SEL) The SEL button is used Important Differences Between Cleaning and Sanitizing in combination with the up arrow to enter into the CLEANING vs. SANITIZING settings of the IntelliTec control. This button is It is important to distinguish between cleaning and sanitiz- also used to navigate through the control settings ing.

  • Page 18: Disassembly Of Machine Parts

    As a recommended cleaner and sanitizer for your frozen The ideal concentration of chlorine needs to be 100 ppm dessert machine, STERA-SHEEN has proven to be one (as stated by the FDA). of the best daily maintenance products for: NOTE ·...

  • Page 19: Cleaning Disassembled Parts

    Remove the spigots through the bottom of the 3.5 CLEANING DISASSEMBLED PARTS front door. Remove all o-rings from spigots and Disassembled machine parts require complete cleaning, air bleed valve. sanitizing and air drying before assembling. Local and state B. Disassembly Of Auger health codes will dictate the procedure required.

  • Page 20: Cleaning The Machine

    3.7 CLEANING THE MACHINE Place O-Ring Petrol-Gel The exterior should be kept clean at all times to preserve Inside Insert the lustre of the stainless steel. A high grade of stainless steel has been used on the machine to ease cleanup. To remove spilled or dried mix, simply wash the exterior with 90°...

  • Page 21: Sanitizing Assembled Machine

    When sanitizing the machine, refer to local sanitary regu- lations for applicable codes and recommended sanitizing products and procedures. The frequency of sanitizing must comply with local health regulations. Mix sanitizer according to manufacturer’s instructions to provide a 100 parts per million strength solution. Mix sanitizer in quanti- ties of no less than 2 gallons of 90°F to 110°F (32°C to CAUTION Risk of Product Damage...

  • Page 22: Initial Freeze Down And Operation

    A. ADDING MIX Sanitize immediately before use. Make sure the Freezing Cylinder OFF/ON switch is in the OFF position. Fill the storage containers in the cab with at least Clean Switch 2.5 gallons of mix. Attach the mix inlet probes to the container and place the containers in the refrigerated cab.
  • Page 23 B. PREPARING INTELLITEC CONTROL Press the up arrow () button once. The display will read “CutOut amps”. On the IntelliTec control, press and hold SEL button for 8 seconds. While still holding the SEL Change the value to the recorded value by button, press the up arrow () button.

  • Page 24: Normal Freeze Down And Operation

    3.11 NORMAL FREEZE DOWN AND OPERATION The following section contains the recommended oper- ating procedures for the safe operation of the machine. Sanitize immediately before use. Dispense Make sure the Freezing Cylinder OFF/ON switch Rate is in the OFF position. Adjustors Fill the storage containers in the cab with at least 2.5 gallons of mix.

  • Page 25: Operation Of Mix Pump

    3.13 OPERATION OF MIX PUMP NOTICE Any cleaning procedure must always be followed The mix pump switches are located in the upper left hand by sanitizing before fi lling machine with mix. (Refer corner, inside the refrigerated cabinet. When a pump to section 3.3) switch is placed in the ON position, the mix pump motor will start pumping mix into the machine cylinder.
  • Page 26 Carefully inspect each part for wear or damage. CAUTION Replace worn or damaged parts. Wash feed tube and air tube with 90° to 110°F System Under Pressure detergent water and brushes provided. Rinse with Never disconnect hoses from machine or pump without clean, 90°...

  • Page 27: Section 4 Maintenance And Adjustments

    SECTION 4 MAINTENANCE AND ADJUSTMENTS MACHINE ADJUSTMENT LOCKING THE CONTROL PANEL This section is intended to provide maintenance personnel The IntelliTec control has a tamper proof mode to prevent with a general understanding of the machine adjustments. unauthorized use. When set, all buttons on the control It is recommended that any adjustments in this section panel are disabled.

  • Page 28: Readings (Service Personnel Only)

    IMPORTANT: ERROR CODE READINGS Before making changes to any settings, record The following details are recorded under the ERRCODES the original values. If the setting changes do not menu for each of the last 25 error codes received: achieve desired results, return settings to their Err1 (hours) original values.

  • Page 29: Run Statistics

    RUN STATISTICS Cut In T (°F) In addition to dynamic readings and recorded After the consistency value has been determined, error code details, the IntelliTec control records the Cut In T value can be adjusted. The Cut In T rolling averages of run statistics. Following are the is the temperature of the refrigerant gas coming readings available under the RUNSTATS menu: out of the freezing cylinder.

  • Page 30: Overrun Adjustment

    Stb Time (sec) Cab On This setting determines the total amount of time If the Refriger value is set to Cabinet and the in “Standby Mode”. temperature sensor in the cabinet fails, this setting determines the length of the refrigeration cycle. If Sl1DrvOn (sec) None, 1 Hopper, or 2 Hopper is selected for the Adjustments to this setting affect the amount of...

  • Page 31: Mix Pump Hose Reposition

    The overrun setting is indicated by a pin. To adjust overrun, loosen the allen-head screw (located within the center of the adjustment knob) with the 5/32” allen wrench provided. Rotate the adjustment knob counterclockwise to a higher number for higher overrun, or clockwise to a lower number for lower overrun.

  • Page 32: Cab Temperature Adjustment

    NOTE IMPORTANT: Feed the tube into the clamp so the natural curve of Before making changes to any settings, record the tube is towards the outside of the black cover. the original values. If the setting changes do not This prevents the hose from looping around the achieve desired results, return settings to their black cover twice.

  • Page 33: Condenser Cleaning (Air Cooled Machines)

    4.13 CONDENSER CLEANING (AIR-COOLED 4.15 EXTENDED STORAGE MACHINES) Refer to the following steps for winterizing the machine or for storing the machine over any long period. The condenser requires periodic cleaning. To clean the condenser, refer to the following steps: Clean all of the parts that come in contact with mix thoroughly with warm detergent .

  • Page 35: Section 5 Troubleshooting

    SECTION 5 TROUBLESHOOTING 5.1 ERROR CODES error is generally caused by very low mix levels in the machine’s mix container or from product When the machine experiences a problem, one of the breakdown. Another common cause results from following error codes will be displayed on the control a restriction preventing mix from entering the panel.
  • Page 36 Error Code 5 - Freezing Cylinder Sensor Error Code 10 - Auxiliary Sensor The Freezing Cylinder Sensor Error (E5) indicates An Auxiliary Temperature Sensor Error (R10) a failure of the barrel sensor or an extreme out occurs if the temperature sensor on the control of range condition (<...

  • Page 37: Troubleshooting - Machine

    5.3 TROUBLESHOOTING - MACHINE PROBLEM POSSIBLE CAUSE REMEDY 1. Power to machine is off. 1. Check power to machine. Drive motor (auger) 2. Low line voltage. 2. Check, must be ±10% of nameplate voltage. “kicks-out”, or 3. Product too hard. 3.

  • Page 38: 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 39 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.

  • Page 41: Section 6 Replacement Parts

    SECTION 6 REPLACEMENT PARTS DECALS AND MISCELLANEOUS PARTS Part Number Description Quantity 324014 Decal - Black Arrow on White Back 324065 Decal - Water Inlet 324103 Decal - Caution Rotating Shaft 324106 Decal - Caution Electrical Wiring Materials 324107 Decal - Caution Hazardous Moving Parts 324125 Decal - Danger Electric Shock Hazard 324141...

  • Page 42: Front Door And Auger Parts

    FRONT DOOR AND AUGER PARTS * If you are replacing a front door without side grooves, the spigot extensions and rosette caps also need to be replaced. Part Number Description Quantity 149003 Bushing - Front Auger Support 381804 Auger Flight (Has 4 per Barrel) 482004 Knob (Air Bleed Valve &...

  • Page 43: Cab Tubing Assembly

    6.3 CAB TUBING ASSEMBLY Part Number Description Quantity 264235 Clamp - Metal (1/4" ID Tubing) 264241 Clamp - Metal (1/2" ID Tubing) 264243 Clamp - Metal (3/8" ID Tubing) 375819 Elbow - Barbed (3/8"- 1/4") 376041 Tee Connector - 3-Way (Stainless) 558114 Mix Container Only 624607-5...

  • Page 45: Domestic Warranty

    (Including Mexico) 1. Scope: Stoelting, A Vollrath Company (“Stoelting”) warrants to the first user (the “Buyer”) that the Stoelting-branded freezer equipment (the “Equipment”) will be free from defects in materials and workmanship under normal use and proper maintenance for the period listed below in the Warranty Period section. All warranty periods begin on the date of original install or one (1) year from the shipping date, whichever occurs first.
  • Page 46 DOMESTIC WARRANTY (Including Mexico) Conditions: If the date of the original installation cannot be verified, these warranty periods begin one (1) year from the shipping date. It is the responsibility of the seller to disclose this information to the Buyer at the time of sale. Stoelting shall not be responsible to provide any remedy under this warranty with respect to any component that fails by reason of negligence, abnormal use, misuse or abuse, faulty repair made by others, use with parts or equipment not manufactured or supplied by Stoelting, any modification or alteration of any parts or equipment, or damage in transit.

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