1. Manuals
  2. Brands
  3. Vollrath Manuals
  4. Freezer
  5. STOELTING O431RC
  6. Operator's manual

Vollrath STOELTING O431RC Operator's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Model O431RC
OPERATORS MANUAL
Rev.2
Manual No.
513664

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the STOELTING O431RC and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Vollrath STOELTING O431RC

Summary of Contents for Vollrath STOELTING O431RC

  • Page 1 Model O431RC OPERATORS MANUAL Rev.2 Manual No. 513664...
  • 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 Specifications Description ....................1 Specifications ..................... 2 Installation Instructions Safety Precautions ..................3 Shipment and Transit ................. 3 Freezer Installation ..................3 Installing Permanent Wiring ............... 3 Mix Pump ....................4 Mix Pump Hose Installation ................. 4 Mix Pickup Hose Installation ................
  • Page 6 Section Description Page Maintenance and Adjustments Freezer Adjustment ................... 17 Product Consistency Adjustment ............... 17 Locking the Control Panel ................17 Obtaining Readings and Modifying Settings (Service Personnel Only) ..17 Readings (Service Personnel Only) ............18 Adjustments (Service Personnel Only) ............19 Other Settings (Service Personnel Only) ...........

  • Page 7: Description And Specifications

    SECTION 1 DESCRIPTION AND SPECIFICATIONS 1.1 DESCRIPTION The Stoelting O431RC floor 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 mix available, including ice milk, ice cream, yogurt, and frozen dietary desserts.

  • Page 8: Specifications

    1.2 SPECIFICATIONS Model O431 RC Dimensions Machine with crate 19-1/8'' (48,6 cm) 27'' (68,6 cm) width 67-7/8'' (172,4 cm) 78'' (198,1 cm) height 37-3/4'' (95,9 cm) 48'' (121,9 cm) depth Weight 500 lbs (226,7 kg) 650 lbs (294,8 kg) Electrical 1 Phase, 208-240 VAC, 60Hz Air Cooled Water Cooled...

  • Page 9: Installation Instructions

    SECTION 2 INSTALLATION INSTRUCTIONS 2.1 SAFETY PRECAUTIONS Install the four casters. Turn the threaded end into the machine until no threads are showing. To Do not attempt to operate the machine until the safety level, turn out casters no more than 1/4" maximum, precautions and operating instructions in this manual are then tighten all jam nuts.

  • Page 10: Mix Pump

    6" (15cm) Figure 2-2 Mix Hose Installation 2.5 MIX PUMP Allow the remaining 6" (15cm) of tubing to feed through pump until the hose adapter prevents MIX PUMP HOSE INSTALLATION further feeding. Follow the steps below to install the mix pump hose in the Turn the pump off.
  • Page 11 Figure 2-3 Mix Pump Connections for Standard Mix Container Connect the free end of the tubing to the mix Slide the hose clip over free end of 3/8" (9,5mm) check valve. Observe the direction of the check ID plastic food grade tubing. Attach the free end valve flow arrow.

  • Page 12: Mix Low Level Indicator Adjustment

    Repeat steps 1 to 3 for the middle port and for the MIX LOW LEVEL INDICATOR ADJUSTMENT right port of the mix inlet manifold. The sensitivity of the “Mix Low” indication that displays on Place three mix bags into the mix container. the control panel can be adjusted to operator preference.

  • Page 13: 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 rules: operator know the function of each operating control. Refer to Figure 3-1 for the location of the operating Know the machine.
  • Page 14 C. SPIGOT SWITCH J. DRIVE MOTOR OVERLOAD The spigot switch is mounted to the spigot cam assembly The internal drive motor overload will trip if the drive motor behind the header panel. When the spigot is opened to is overloaded. It will reset after approximately 10-12 min- dispense product, the spigot switch opens and the "Serve utes.

  • Page 15: Important Information Regarding Cleaning And Sanitizing

    3.3 IMPORTANT INFORMATION REGARDING SANITIZING CLEANING AND SANITIZING · Kills bacteria. Soft serve and shake machines require special consider- · Can be effective on clean surfaces only. ation when it comes to food safety and proper cleaning and NOTE sanitizing. Using a SANITIZER on an unclean surface will not The following information specifically covers issues for guarantee a clean and safe frozen dessert machine.

  • Page 16: Disassembly Of Freezer Parts

    MACHINE DAMAGE – Strong acids will attack Inspection for worn or broken parts should be made at every metal and rubber causing premature wear of disassembly of the machine. All worn or broken parts parts. The use of a delimer needs to be closely should be replaced to ensure safety to both the operator and monitored to avoid damage to machine surfaces the customer and to maintain good machine performance...

  • Page 17: Disassembly Of Auger

    Place all front door and auger parts in clean 90° to 110°F (32°C to 43°C) water and wash thoroughly (four sink procedure only). Place all parts in 90° to 110°F (32°C to 43°C) mild detergent water and wash thoroughly. Rinse all parts with clean 90° to 110°F (32°C to 43°C) water.

  • Page 18: Sanitizing

    Assemble all o-rings onto parts dry, without Apply a thin layer of sanitary lubricant to the inside lubrication. Then apply a thin film of sanitary and outside of the auger support bushing. Install lubricant to exposed surfaces of the o-rings. the bushing onto the auger support and install the auger support into the front of the auger.

  • Page 19: Initial Freeze Down And Operation

    NOTE The machine is designed for correct operation in am- bient temperatures between 50°F and 110°F. Tem- peratures out of that range may cause refrigeration problems and product quality issues. A. ADDING MIX Sanitize the machine immediately before use. Air Bleed Make sure the Freezing Cylinder OFF/ON switch Valve is in the OFF position.

  • Page 20: Adjusting The Intellitec Control

    NOTE at all. If this occurs, allow the machine to run for approximately 30 seconds before dispensing more After the drive motor starts, there is a 3-second de- product. A dispense rate adjustor is located under lay before the compressor starts. the header panel, to the immediate right of the As the product freezes, the “amps”...

  • Page 21: Mix Information

    The machine dispenses product at a reasonable draw rate. If the machine is overdrawn, the result Air/mix to is a soft product or a product that will not dispense Air Line Freeezing at all. If this occurs, allow the machine to run for Cylinder approximately 30 seconds before dispensing more product.

  • Page 22: Mix Pump Cleaning

    3.14 MIX PUMP CLEANING NOTICE Any cleaning procedure must always be followed by sanitizing before filling machine with mix. (Refer to section 3.3) The mix pump is approved for CIP (clean in place). It is thoroughly cleaned when the detergent solution is pumped through the machine.

  • Page 23: Maintenance And Adjustments

    SECTION 4 MAINTENANCE AND ADJUSTMENTS MACHINE ADJUSTMENT LOCKING THE CONTROL PANEL This section is intended to provide maintenance person- The IntelliTec control has a tamper proof mode to prevent nel with a general understanding of the machine adjust- unauthorized use. When set, all buttons on the control ments.

  • Page 24: Readings (Service Personnel Only)

    Modifying Control Settings Aux. Temp (°F) To change the value of a system function, locate the This reading provides the ambient temperature function on the IntelliTec Settings Menu and follow the around the IntelliTec control board. steps below. Supply V (VAC) IMPORTANT: The input voltage is recorded.

  • Page 25: Adjustments (Service Personnel Only)

    ADJUSTMENTS (SERVICE PERSONNEL Refriger ONLY) The options available for this setting are None, 1 Hopper, 2 Hopper, and Cabinet. Changing this The following adjustments directly affect product consis- setting changes how the control handles the tency and length of time in "Serve Mode". The default storage refrigeration cycle.

  • Page 26: Mix Pump Hose Reposition

    Turn the mix pump switch to the OFF position. Disconnect power sources/circuit breakers. Remove the lower front panel from the machine. On the air compressor side of the pump, locate the long/slender piston rocking arm. The rocking arm downward travel is limited by a stationery cam. On the face of the cam there is an overrun setting indicator plate numbered 3 through 8 and an adjustment knob (Fig.

  • Page 27: Cab Temperature Adjustment

    Connect the new mix pump hose to the pickup IMPORTANT: hose adapter using the small clamp. Before making changes to any settings, record the Feed one end of the mix pump hose into the original values. If the setting changes do not achieve pickup hose side (left) of the black cover.

  • Page 28: Condenser Cleaning (Air-Cooled Freezers)

    4.13 CONDENSER CLEANING (AIR- 4.14 PREVENTATIVE MAINTENANCE COOLED MACHINES) It is recommended that a preventative maintenance sched- ule be followed to keep the machine clean and operating The condenser requires periodic cleaning. To clean the properly. The following steps are suggested as a preventa- condenser, refer to the following steps: tive maintenance guide.

  • Page 29: Troubleshooting Error Codes

    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 panel. 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 out occurs if the temperature sensor on the control of range.

  • Page 31: Troubleshooting - Freezer

    5.3 TROUBLESHOOTING - FREEZER 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 does 3. Product too hard. 3.

  • Page 32: 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 33 5.4 TROUBLESHOOTING - MIX PUMP (CONTINUED) 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.

  • Page 35: Replacement Parts

    SECTION 6 REPLACEMENT PARTS 6.1 BRUSHES, DECALS AND LUBRICATION Part 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: Auger Shaft And Faceplate Parts

    6.3 AUGER SHAFT AND FACEPLATE PARTS Part Description Quantity 149003 Bushing - Front Auger Support 381804 Auger Flight 482004 Knob - Air Bleed Valve 482019 Knob - Front Door 624520-5 O-Ring - Air Bleed Valve - Black (5 Pack) 624598-5 O-Ring - Outside Spigot - Black (5 Pack) 624614-5 O-Ring - Top &...

  • Page 37: Cab Tubing Assembly

    6.4 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 39 (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 40 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.

Table of Contents