Vollrath STOELTING O431 I2 Operator'S Manual Download Page 8

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Owner’s Manual #513669

O431 I2 Model Machines

1.2 SPECIFICATIONS

Model O431 I2

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

3 Phase, 208-240 VAC, 60Hz

International Option

1 Phase, 220-240 VAC, 50Hz or 3 Phase, 380-415 VAC, 50Hz

Compressor

15,000 Btu/hr Scroll™ Compressor

Drive Motor

Two - 3/4 hp

Air Flow

Air cooled units require 3” (7,6 cm) air space on both sides and back.

Plumbing Fittings

Water cooled units require 1/2” N.P.T. water and drain fi ttings.

Hopper Volume

Two - 5.5 gallons (20,82 liters)

Freezing Cylinder

Volume

Two - 1 gallon (3,79 liters)

Summary of Contents for STOELTING O431 I2

Page 1: ...Model O431I2 OPERATORS MANUAL Manual No 513669 Rev 0 ...

Page 2: ......

Page 3: ...s built prior to date of change DO NOT ATTEMPT to operate the machine until instructions and safety precautions in this manual are read completely and are thoroughly understood If problems develop or questions arise in connection with installation operation or servicing of the machine contact Stoelting Stoelting Foodservice Equipment 502 Highway 67 Kiel WI 53042 1600 U S A Main Tel 800 558 5807 Fa...

Page 4: ...pecific safety information the following safety defini tions are provided to assist the reader The purpose of safety symbols is to attract your at tention to possible dangers The safety symbols and their explanations deserve your careful attention and understanding The safety warnings do not by themselves eliminate any danger The instructions or warnings they give are not substitutes for proper ac...

Page 5: ... C Mix Low Level Indicator Adjustment 6 3 Initial Set Up and Operation 3 1 Operator s Safety Precautions 7 3 2 Operating Controls and Indicators 7 3 3 Disassembly of Machine Parts 8 A Disassembly of Front Door 8 B Remove Auger 9 3 4 Cleaning Disassembled Parts 9 3 5 Sanitizing Machine Parts 9 3 6 Cleaning the Machine 9 3 7 Assembling the Machine 10 3 8 Sanitizing 10 3 9 Freeze Down and Operation 1...

Page 6: ...ion Adjustment 17 4 6 Condenser Cleaning Air Cooled Machines 17 4 7 Preventative Maintenance 17 4 8 Extended Storage 17 5 Troubleshooting 5 1 Error Codes 19 5 2 Troubleshooting Error Codes 19 5 3 Troubleshooting Machine 21 5 4 Troubleshooting Mix Pump 22 6 Replacement Parts 6 1 Brushes Decals and Lubrication 31 6 2 Spigot Extension 31 6 3 Auger Shaft and Faceplate Parts 32 6 4 Cab Tubing Assembly ...

Page 7: ...t 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 This manual is designed to assist qualified service per sonnel and operators in the installation operation and maintenance of the Stoelting O431 I2 pressure machine SECTION 1 DESCRIPTION AND SPECIFICATIONS Figure 1 1 Model O43...

Page 8: ...g Electrical 1 Phase 208 240 VAC 60Hz 3 Phase 208 240 VAC 60Hz International Option 1 Phase 220 240 VAC 50Hz or 3 Phase 380 415 VAC 50Hz Compressor 15 000 Btu hr Scroll Compressor Drive Motor Two 3 4 hp Air Flow Air cooled units require 3 7 6 cm air space on both sides and back Plumbing Fittings Water cooled units require 1 2 N P T water and drain fittings Hopper Volume Two 5 5 gallons 20 82 liter...

Page 9: ...e and will void fac tory warranty Installation of the machine involves moving the machine close to its permanent location removing all crating set ting in place assembling parts and cleaning A Uncrate the machine SECTION 2 INSTALLATION INSTRUCTIONS B Install the four casters Turn the threaded end into the machine until no threads are showing To level turnoutcastersnomorethan1 4 maximum then tighte...

Page 10: ... using a small hose clamp Be careful not to twist the mix hose 7 Turn the pump on 8 Allow the remaining 6 15cm of tubing to feed through pump until the hose adapter prevents further feeding 9 Turn the pump off CAUTION Risk of Product Damage Air Mix Tee must remain below the black cover clamp If the Tee is above the pump mix may drain into the air compressor resulting in pump damage 10 Connect the ...

Page 11: ...icator relies on proper bag placement 1 Connect3 8 9 5mm IDplasticfoodgradetubing to a bag adapter Secure with hose clamps 2 Slide the hose clip over free end of 3 8 9 5mm ID plastic food grade tubing Attach the free end of the tubing to a manifold adapter Secure with a large hose clamp or equivalent 3 Push the manifold adapter with spring and valve into the left port nearest the manifold outlet o...

Page 12: ...with a large hose clamp 3 Push the manifold adapter with spring and valve into the left port nearest the manifold outlet of the mix inlet manifold and secure with retaining clip See Figure 2 5 4 If using two mix bags repeat steps 1 to 3 for the middle port 5 Install a manifold plug intoeachemptyinletand secure with a retaining clip 6 Placethemixbag s into the mix container 7 Connectthebagadapter a...

Page 13: ...l power has been disconnected G Donotoperateunderunsafeoperatingconditions Neveroperatethemachineifunusualorexcessive noise or vibration occurs SECTION 3 INITIAL SET UP AND OPERATION 3 2 OPERATING CONTROLS AND INDICATORS Before operating the machine it is required that the op erator know the function of each operating control Refer to Figure 3 1 for the location of the operating controls on the ma...

Page 14: ...rvice technicians to navigate through the control readings and settings B SPIGOT SWITCH The spigot switch is mounted to the spigot cam assembly behind the header panel When the spigot is opened to dispense product the spigot switch opens and the Serve Mode begins C DISPENSE RATE ADJUSTOR The dispense rate adjustor is located under the header panel totheimmediaterightofthespigothandles Turning thek...

Page 15: ...uger parts in clean 90 to 110 F 32 C to 43 C water and wash thoroughly four sink procedure only C Place all parts in 90 to 110 F 32 C to 43 C mild detergent water and wash thoroughly D Rinse all parts with clean 90 to 110 F 32 C to 43 C water E Sanitize all machine parts following procedures outlined below 3 5 SANITIZING MACHINE PARTS A Useasanitizer mixedaccordingtomanufacturer s instructions to ...

Page 16: ...ntil the auger engages the drive shaft H Applyathinlayerofsanitarylubricanttotheinside and outside of the auger support bushing Install the bushing onto the auger support and install the auger support into the front of the auger Rotate the auger support so that one leg of the support points straight up I Assemble the air bleed valve o ring onto the air bleed valve Position the o ring into the groo...

Page 17: ...EANbuttontostarttheaugerrotating F Check for leaks when the freezing cylinder is first pressurized with sanitizing solution 1 Check for leaks at the front door seals 2 Check the drain tray located in the front panel for leaks coming from the rear of the rear auger seal 3 Check the inside of the cab unit for leaks at the hose connections G Use a sanitized soft bristle brush dipped in sanitizing sol...

Page 18: ...lated to the mix Proper product serving temperature varies from one manufacturer s mix to another Mixes should provide a satisfactory product in the 20 F to 24 F range Diet and low carb mixes typically freeze to proper consistency at higher temperatures When checking the temperature stir the thermometer in the frozen product to get an accurate reading Old mix or mix that has been stored at too hig...

Page 19: ...nnections may be sprayed with Haynes Sanitary Lubricant for ease of removal WARNING Hazardous Moving Parts Revolving pump head can grab mangle and cause serious crushing injury Make sure the display shows the freezing cylinders and pump are off If they are not press the On Off button and Pump button to turn them off CAUTION System Under Pressure Never disconnect hoses from the machine or the pump ...

Page 20: ...Owner s Manual 513669 14 O431 I2 Model Machines ...

Page 21: ...h hose is long enough for 3 repositions before replacement is required NOTE The hose timer must be reset each time the hose is repositioned or replaced to keep an accurate record of the hose service time SECTION 4 MAINTENANCE AND ADJUSTMENTS Thissectionisintendedtoprovidemaintenancepersonnel withageneralunderstandingofthemachineadjustments It is recommended that any adjustments in this section be ...

Page 22: ... 15cm remains on the entering side and turn the pump off L Connect the mix pump hose to the elbow fitting located on the left side of the mix line manifold using a small hose clamp Be careful not to twist the mix hose M Turn the pump on N Allow the remaining 6 15cm of tubing to feed through the pump until the hose adapter prevents further feeding and turn the pump off CAUTION Risk of Product Damag...

Page 23: ...llowing steps are suggested as a preventative maintenance guide TheUnitedStatesDepartmentofAgricultureandtheFood and Drug Administration require that lubricants used in food zones be certified for this use Use lubricants only in accordance with the manufacturer s instructions A Daily checks Check for any unusual noise or condition and repair immediately B Monthly checks 1 Check drive belts for wea...

Page 24: ...Owner s Manual 513669 18 O431 I2 Model Machines ...

Page 25: ...tor for further assistance Error Code 3 Run Time The Run Time Error E3 occurs when the compressor runs continuously for an extended period This error is generally caused by very low mix levels in the mix container or from product breakdown Another common cause results from a restriction preventing mix from entering the freezing cylinder Check the mix in the mix container If the level mix is low ad...

Page 26: ...ed machine check for proper air clearance around the machine If there is an E9 on a water cooled machine check for proper flow from the water supply or kinks in the hoses If the error persists contact your Authorized Stoelting Distributor for further assistance Error Code 10 Auxiliary Sensor An Auxiliary Temperature Sensor Error E10 occurs if the temperature sensor on the control boardfails Presst...

Page 27: ...or for service Product does not dispense 1 No mix in hopper 1 Add mix to the hopper 2 Drive motor overload tripped 2 Wait for automatic reset If condition continues call distributor for service 3 Drive belt failure 3 Replace drive belt 4 Freeze up Auger will not turn 4 Turn off cylinder wait for 15 minutes then restart Drive belt slipping or squealing 1 Worn drive belt 1 Replace drive belt 2 Freez...

Page 28: ...2 3 pints to reduce system pressure to zero Turn pump on Purge remaining air in mix bag and pick up hose Important before connecting the pick up hose to the mix bag remove as much air from the mix bag as possible 1 Out of Mix 1 Replenish mix supply 2 Mix pump hose kinked inside black cover clamp 2 Disconnect pump from power source Remove four cover clamp thumb screws Separate cover clamp halves an...

Page 29: ... damage from dried mix deposits immediately disassemble and clean pump 1 Mix pump hose service life is exceeded 1 Remove mix pump hose Disconnect pump from power source Remove mix pump cover clamp Clean the rollers a small amount of soapy water Clean mix from pump See Section 4 2 for hose replacement Pump is noisy squeaking Note The action of the air compressor rocking arm creates a repetitive cli...

Page 30: ...Owner s Manual 513669 24 O431 I2 Model Machines ...

Page 31: ...k Check 2 324509 Decal Cleaning Instructions 1 324566 Decal Wired According To 1 324584 Decal Adequate Ventilation 3 2 324686 Decal Danger Automatic Start 2 324799 Decal Pump Off On 2 324803 Decal Domed Stoelting Logo Large Header Panel 1 324804 Decal Domed Stoelting Swirl Header Panel 1 324888 Decal Fan Motor Reset 1 324901 Decal Transformer Switch 1 324909 Decal USB Port 1 508048 Lubricant Splin...

Page 32: ...lack 5 Pack 2 624664 5 O Ring Middle Center Spigot Black 5 Pack 1 624678 5 O Ring Rear Seal Rear Seal Adapter Black 5 Pack 4 625133 O Ring Front Door Red 2 667868 Seal Rear Auger Orange 2 694200 Spring Air Bleed Valve 2 694255 Spring Auger Flight 10 744273 Tray Drip 1 744276 Tray Drain 1 2183083 Auger Shaft 2 2183106 Valve Air Bleed 2 2183110 Door w Pins Air Bleed Valve 1 2187811 Spigot Body Cente...

Page 33: ... 2 696152 Clip Lock Check Valve 2 756067 Tubing 1 4 ID Clear Air Line 25 Increments Per Inch 13 2 756079 Tubing 3 8 ID Clear Mix Line 25 Increments Per Inch 24 2 756088 Tubing 1 2 ID Clear Mix Line 25 Increments Per Inch 6 2 756204 Tubing 1 4 ID Pump 50 Box Only Per Inch 756204 40 Tubing 1 4 ID Pump Pre Cut 40 Piece 8 762256 Check Valve Mix Outlet 2 1183187 Check Valve Mix In Line Outer 2 2177274 ...

Page 34: ...Owner s Manual 513669 34 O431 I2 Model Machines ...

Page 35: ...obligations remedies are subject to the conditions that Buyer a signs and returns to Stoelting upon installation the Checklist Warranty Registration Card for the affected equipment b gives Stoelting prompt written notice of any claimed breach of warranty within the applicable warranty period and c delivers the affected equipment to Stoelting or its designated service location in its original packa...

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