Vollrath Stoelting F231 Bedienungsanleitung

Model F231

SERVICE MANUAL

Manual No. 513659 Rev.2

This manual provides basic information about the machine. Instructions and suggestions are

given covering its operation and care.

The illustrations and speciﬁcations 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.

DO NOTATTEMPT 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

Fax: 920.894.7029

Customer Service: 888.429.5920

Fax: 800.545.0662

Email: [email protected]

stoeltingfoodservice.com

Safety Alert Symbol:

This symbol Indicates danger, warning or caution.

Attention is required in order to avoid serious per-

sonal injury. The message that follows the symbol

contains important information about safety.

Signal Word:

Signal words are distinctive words used throughout

this manual that alert the reader to the existence and

relative degree of a hazard.

CAUTION

The signal word “CAUTION” indicates a potentially

hazardous situation, which, if not avoided, may result

in minor or moderate injury and equipment/property

damage.

A Few Words About Safety

Safety Information

Read and understand the entire manual before

operating or maintaining Stoelting equipment.

This manual provides the operator with information

for the safe operation and maintenance of Stoelting

equipment. As with any machine, there are hazards

associated with their operation. For this reason safety

is emphasized throughout the manual. To highlight

speciﬁc 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

accident prevention measures.

If you need to replace a part, use genuine Stoelting

parts with the correct part number or an equivalent

part. We strongly recommend that you do not use

replacement parts of inferior quality.

WARNING

The signal word “WARNING” indicates a potentially

hazardous situation, which, if not avoided, may result

in death or serious injury and equipment/property

damage.

CAUTION

The signal word “CAUTION” not preceded by the

safety alert symbol indicates a potentially hazardous

situation, which, if not avoided, may result in equip-

ment/property damage.

NOTE (or NOTICE)

The signal word “NOTICE” indicates information or

procedures that relate directly or indirectly to the

safety of personnel or equipment/property.

Service Manual #513659 iii Model F231

INTELLITEC2™ FIRMWARE

VERSION UPDATE LOG

The list below shows the history of the ﬁrmware versions in the IntelliTec2™ control. The information in this manual

refers to Version 20.39.

VERSION 20.52

Released on 8/22/11

• Motor Calibration screen now returns to the current status screen after pressing the left arrow.

• Refer Solenoid text changed to Storage Refrigeration.

• When exporting the error log data the ﬁle name is now the serial number of machine.

• Serial Number can now be changed in the Modify Contact Information screen.

• CutIn Offset changed to 20 (was 30)

• Default Offtime changed to 450 (was 300)

VERSION 20.39

Released on 3/2/11

• Added phase reversal detection for 3 phase machines

• Added Spigot Open Time error Error 21

• Added support for I/O update

• Changed High Torque Error 2 detection to be directly from motor amperage and not from a calculated factor

VERSION 20.27

Released on 12/28/10

• Added Unit Serial Number to Service Contact Information and Modify Contact Information

• Added Clean Warning to Clean Options

VERSION 20.15

Released 11/23/10

• Added Enable Control to Basic Settings

• Removed Enable CutOut Temp from Basic Settings

• Changed CutOut Consistency to CutOut Consistency Offset

• Added CutIn Consistency Offset

• Moved Sleep 1 Drive On and Sleep 1 Drive Off to Factory Settings from Advanced Settings

• Moved Stir On and Stir Off to Advanced Settings from Factory Settings

• Added Storage Refrigeration to Storage Settings

• Storage CutIn changed to 37.5°F (was 37°F)

• Moved Pressure Sensing and Liquid Sensing to Factory Settings

• Added Clean Options to Utilities page 1

• Moved Clean Lockout to Clean Options from Utilities page 1

• Added Clean History Log to Clean Options

Service Manual #513659 iv Model F231

VERSION 17.19

Released on 9/8/10

Note: They are few initial machines with 15.19 (8/23/10) where cutout consistency was 70, then pulleys were

changed.Two machines with 16.19 had60as cutout limit, then someminorinternalreset timers were changed

and 17.19 released on 9/8/10

• Consistency Limit changed to 60 (was 110 for 1 phase / 80 for 3 phase)

• Moved Stir On and Stir Off to Factory Settings from Basic Settings

• Enable CutOut Temp and CutOut Temp moved to Basic Settings from Factory Settings

• Sleep 1 Drive Off changed to 600 seconds (was 300 seconds)

• Sleep 2 CutIn changed to 33°F (was 38°F)

• Sleep 2 CutOut changed to 30.5°F (was 30°F)

(continued on next page)

VERSION 17.19 (CONTINUED)

• Storage CutOut changed to 32°F (was 31°F)

• Storage Offset changed to 4°F (was 2°F)

• Storage Off Time changed to 13 min (was 2 min)

• Storage On Time changed to 130 sec (was 200 sec)

• Storage Max On changed to 3 min (was 10 min)

• Storage Recovery changed to 4 min (was 1 min)

• Clean Lockout Period moved to Factory Settings from Storage Settings

• Touchpad Lockup moved to Utilities from User Preferences

• Date Format added to Time and Date

• Added second Utilities page

• Changed Utilities page 1 to be accessible to Manager passcode

• Testing and Manual Operation, Restore Factory Defaults, Clear Error Log and Clear Statistics moved to

Utilities page 2 from page 1

• Added Product Selection, Export Machine Stats to Utilities page 1

• Removed Clear EEPROM Map from Utilities

• Added Motor Zero Load Calibration, Restore Motor Table Defaults and Reset Unit Conﬁguration to Utilities

page 2

Section Description Page

1 Description and Speciﬁcations

1.1 Description.................................................................................................. 1

1.2 Speciﬁcations ............................................................................................. 2

2 Installation Instructions

2.1 Safety Precautions ..................................................................................... 5

2.2 Shipment and Transit.................................................................................. 5

2.3 Machine Installation.................................................................................... 5

2.4 Installing Permanent Wiring........................................................................ 5

2.5 Initial Startup of IntelliTec2™ ...................................................................... 6

3 Initial Set-Up and Operation

3.1 Operator’s Safety Precautions.................................................................... 9

3.2 Operating Controls and Indicators.............................................................. 9

3.3 Disassembly of Machine Parts ................................................................... 10

3.4 Cleaning Disassembled Parts .................................................................... 11

3.5 Sanitizing Machine Parts ............................................................................ 11

3.6 Cleaning the Machine................................................................................. 11

3.7 Assembling the Machine ............................................................................ 12

3.8 Sanitizing .................................................................................................... 12

3.9 Freeze Down and Operation ...................................................................... 13

3.10 Fine Consistency Adjustment ..................................................................... 13

3.11 Mix Information ........................................................................................... 14

4 Maintenance and Adjustments

4.1 Accessing Control Readings and Settings ................................................. 15

4.2 Navigation and Modifying Settings ............................................................. 15

4.3 User Interface Screens............................................................................... 15

4.4 Performance Screens................................................................................. 16

4.5 Settings Screens ........................................................................................ 16

4.6 Utilities Screens.......................................................................................... 18

4.7 Errors & Statistics Screens......................................................................... 21

4.8 Updating Firmware ..................................................................................... 23

4.9 Drive Belt Tension Adjustment.................................................................... 24

4.10 Condenser Cleaning................................................................................... 25

4.11 Preventative Maintenance .......................................................................... 25

4.12 Extended Storage....................................................................................... 25

TABLE OF

CONTENTS

Section Description Page

5 Refrigeration System

5.1 Refrigeration System .................................................................................. 27

5.2 Refrigerant Recovery and Evacuation........................................................ 27

5.3 Refrigerant Charging .................................................................................. 28

5.4 Compressor ................................................................................................ 29

5.5 Condenser .................................................................................................. 30

5.6 Valves ......................................................................................................... 30

A. Thermostatic Expansion Valve (TXV) .................................................................. 30

B. Automatic Expansion Valve (AXV) .......................................................................31

C. Check Valve .........................................................................................................32

D. High Pressure Cutout...........................................................................................32

E. Hot Gas Bypass ................................................................................................... 32

F. Evaporator Pressure Regulator (EPR).................................................................33

G. Water Valve (Water Cooled Models Only)............................................................ 34

5.7 Solenoid...................................................................................................... 34

5.8 Filter Drier................................................................................................... 36

5.9 Capillary Tube............................................................................................. 36

6 Electrical and Mechanical Control Systems

6.1 IntelliTec2™ Control ................................................................................... 37

6.2 Contactors .................................................................................................. 37

6.3 Drive Motor ................................................................................................. 38

6.4 Capacitors .................................................................................................. 39

6.5 Gearbox...................................................................................................... 39

6.6 Condenser Fan Motor (Air-Cooled Only).................................................... 39

6.7 Spigot Switch.............................................................................................. 40

6.8 Temperature Control Sensor ...................................................................... 41

7 Troubleshooting

7.1 Error Codes ................................................................................................ 43

7.2 Troubleshooting .......................................................................................... 44

7.3 Troubleshooting - Machine ......................................................................... 46

8 Replacement Parts

8.1 Decals and Lubrication ............................................................................... 47

8.2 Panels and Screws..................................................................................... 47

8.3 Auger Shaft and Faceplate Parts ............................................................... 48

8.4 Air Plenum Kit............................................................................................. 49

8.5 Internal Components .................................................................................. 50

8.6 Spigot Assembly ......................................................................................... 52

8.7 Front ........................................................................................................... 52

8.8 Wiring Diagrams ......................................................................................... 53

Service Manual #513659 1 Model F231

SECTION 1

INTRODUCTION

1.1 DESCRIPTION

The Stoelting F231 ﬂoor machine is gravity fed. The

machine is equipped with the IntelliTec2™ control which

provides a uniform product. The F231 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.

This manual is designed to assist qualiﬁed service per-

sonnel and operators in the installation, operation and

maintenance of the Stoelting F231 gravity machine.

Figure 1-1 Model F231

Service Manual #513659 2 Model F231

1.2 SPECIFICATIONS

Figure 1-2 Dimension Speciﬁcations (variations on spigot handles and casters available)

Model F231

Dimensions Machine as shipped

width 19-1/4’’ (48,9 cm) 32’’ (81,3 cm)

height 58-1/4’’ (148,0 cm) 60’’ (152,4 cm)

depth 28’’ (71,1 cm) 39’’ (99,1 cm)

Weight 400 lbs (181,4 kg) 470 lbs (213,1 kg)

Electrical 1 Phase, 208-240 VAC, 60Hz 3 Phase, 208-240 VAC, 60Hz

running amps 12A 10A

connection type NEMA 6-20P power cord provided NEMA L15-20P power cord provided

International Option 1 Phase, 220-240 VAC, 50Hz

Compressor 12,000 Btu/hr (R-404A)

Drive Motor Two - 3/4 hp

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

Plumbing Fittings Water cooled units require 1/2” N.P.T. water and drain ﬁttings.

Maximum water pressure of 130 psi. Minimum water ﬂow rate of 3 GPM. Ideal

EWT of 50°-70°F

Hopper Volume Two - 3 gallon (11,35 liters)

Freezing Cylinder

Volume Two - 0.85 gallon (3,22 liters)

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