E131 YG2 / F131 YG2
OWNER’S MANUAL
Manual No. 513649
Nov, 2009 Rev.0
Owner’s Manual
For E131YG2 and F131YG2
Stoelting Counter Model Gravity Machine
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 provide
new parts for freezers 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 the company at the
following location:
STOELTING
502 Hwy. 67
Kiel, WI 53042
© 2009 Stoelting, LLC, All Rights Reserved
Ph:
800-558-5807
Fax: 920-894-7029
A Few Words About Safety
Safety Information
Read and understand the entire manual before
operating or maintaining Stoelting equipment.
This Owner's 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 definitions are provided to assist the reader.
The purpose of safety symbols is to attract your
attention 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.
Safety Alert Symbol:
This symbol Indicates danger, warning or caution.
Attention is required in order to avoid serious personal 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.
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” indicates a potentially
hazardous situation, which, if not avoided, may result
in minor or moderate 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 equipment/property damage.
NOTICE
The signal word “NOTICE” indicates information or
procedures that relate directly or indirectly to the
safety or personnel or equipment/property.
TABLE OF
CONTENTS
Section
Description
Page
1
Description and Specifications
1.1
Description ................................................................................................. 1
1.2
Specifications ............................................................................................. 1
1.3
Modes of Normal Operation ........................................................................ 4
1.4
Mix Level Indicators .................................................................................... 6
1.5
Hopper Refrigeration ................................................................................... 6
1.7
Motor Profile Cutout Compensation ............................................................ 6
2
Installation Instructions
2.1
Safety Precautions ..................................................................................... 3
2.2
Shipment and Transit ................................................................................. 3
2.3
Machine Installation .................................................................................... 3
3
Initial Set-Up and Operation
3.1
Operator’s Safety Precautions .................................................................... 5
3.2
Operating Controls and Indicators ............................................................... 5
3.3
Important Information Regarding Cleaning and Sanitizing ............................ 7
3.4
Disassembly of Machine Parts ................................................................... 8
3.5
Cleaning Disassembled Parts ..................................................................... 9
3.6
Sanitizing Machine Parts ............................................................................ 9
3.7
Cleaning the Machine ................................................................................. 9
3.8
Assembling the Machine ............................................................................ 10
3.9
Sanitizing ................................................................................................... 10
3.10
Initial Freeze Down and Operation .............................................................. 11
3.11
Normal Freeze Down and Operation ........................................................... 12
3.12
Mix Information ........................................................................................... 12
Section
Description
Page
4
Maintenance and Adjustments
4.1
Machine Adjustment ................................................................................... 13
4.2
Product Consistency Adjustment ............................................................... 13
4.3
Locking the Control Panel ........................................................................... 13
4.4
Obtaining Readings and Modifying Settings ................................................ 13
4.5
Readings .................................................................................................... 15
4.6
Adjustments ............................................................................................... 16
4.7
Other Settings ............................................................................................ 16
4.8
Drive Belt Tension Adjustment .................................................................... 17
4.9
Condenser Cleaning ................................................................................... 17
4.10
Preventative Maintenance ........................................................................... 18
4.11
Extended Storage ....................................................................................... 18
5
Troubleshooting
5.1
Error Codes ................................................................................................ 19
5.2
Troubleshooting .......................................................................................... 19
5.3
Troubleshooting - Machine .......................................................................... 21
6
Replacement Parts
6.1
Decals & Lubrication .................................................................................. 23
6.2
Auger Shaft and Faceplate Parts ................................................................ 24
SECTION 1
INTRODUCTION
1.1 DESCRIPTION
The Stoelting E131YG2 and F131YG2 counter machines
are gravity fed. The machines are equipped with fully
automatic controls to provide a uniform product. They are
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 personnel and operators in the installation, operation and maintenance of the Stoelting E131YG2 and F131YG2 gravity
machine.
Figure 1-1 E131YG2 / F131YG2 Machine
1.2 SPECIFICATIONS
Figure 1-2 Specification
1
1.2
SPECIFICATIONS
Model E131YG2
Dimensions
width
height
depth
Weight
Electrical
running amps
connection type
International Option
Compressor
Drive Motor
Air Flow
Plumbing Fittings
Hopper Volume
Freezing Cylinder
Volume
Production
Capacity
Machine
22'' (55,9 cm)
34-3/4'' (88,3 cm)
with crate
28'' (71,1 cm)
40-1/4'' (102,2 cm)
28-1/2'' (72,4 cm)
370 lbs (167,8 kg)
35-1/4'' (89,5 cm)
450 lbs (204,1 kg)
1 Phase, 208-230 VAC, 60Hz
approximately 12A
NEMA6-20P power cord provided
1 Phase, 220-240 VAC, 50Hz
8,600 Btu/hr (R-404A)
Two - 3/4 hp
Air cooled units require 3" (7,6 cm) air space on both sides
Water cooled units require 3/8" N.P.T. water and drain fittings.
Two - 3 gallon (11,35 liters)
Two - 0.5 gallon (2 quart), 1,89 liters
5 GPH (18,93 liters) each Freezing Cylinder
8.5 GPH (32,18 liters) both Freezing Cylinders
Model F131YG2
Dimensions
width
height
depth
Weight
Electrical
running amps
connection type
International Option
Compressor
Drive Motor
Air Flow
Plumbing Fittings
Hopper Volume
Freezing Cylinder
Volume
Production
Capacity
Machine
22'' (55,9 cm)
34-3/4'' (88,3 cm)
with crate
28'' (71,1 cm)
40-1/4'' (102,2 cm)
28-1/2'' (72,4 cm)
385 lbs (174,6 kg)
35-1/4'' (89,5 cm)
470 lbs (213,1 kg)
1 Phase, 208-230 VAC, 60Hz
approximately 12A
NEMA6-20P power cord provided
1 Phase, 220-240 VAC, 50Hz
12,000 Btu/hr (R-404A)
Two - 3/4 hp
Air cooled units require 3" (7,6 cm) air space on both sides
Water cooled units require 3/8" N.P.T. water and drain fittings.
Two - 3 gallon (11,35 liters)
Two - 0.85 gallon (3.4 quart), 3,22 liters
8 GPH (30,29 liters) each Freezing Cylinder
11.5 GPH (43,53 liters) both Freezing Cylinders
2
SECTION 2
INSTALLATION INSTRUCTIONS
2.1 SAFETY PRECAUTIONS
Do not attempt to operate the machine until the safety
precautions and operating instructions in this manual are
read completely and are thoroughly understood.
Take notice of all warning labels on the machine. The labels
have been put there to help maintain a safe working
environment. The labels have been designed to withstand
washing and cleaning. All labels must remain legible for
the life of the machine. Labels should be checked periodically to be sure they can be recognized as warning labels.
If danger, warning or caution labels are needed, indicate
the part number, type of label, location of label, and
quantity required along with your address and mail to:
Figure 2-1 Space and Ventilation Requirements
STOELTING
ATTENTION: Customer Service
502 Hwy. 67
Kiel, Wisconsin 53042
Place a bubble level on top of the machine at each
corner to check for level condition. If adjustment
is necessary, level the machine by turning the
bottom part of each leg in or out.
2.2 SHIPMENT AND TRANSIT
C.
The machine has been assembled, operated and inspected
at the factory. Upon arrival at the final destination, the
entire machine must be checked for any damage which
may have occurred during transit.
The machine has a base gasket that must be
installed. Separate the gasket and install it with
the seam to the back. Make sure the angled side
of the gasket is facing up.
D.
Correct ventilation is required. The right side of the
machine is the air intake and left side is the
discharge. Both sides must have 3" clearance.
With the method of packaging used, the machine should
arrive in excellent condition. THE CARRIER IS RESPONSIBLE FOR ALL DAMAGE IN TRANSIT, WHETHER
VISIBLE OR CONCEALED. Do not pay the freight bill until
the machine has been checked for damage. Have the
carrier note any visible damage on the freight bill. If
concealed damage and/or shortage is found later, advise
the carrier within 10 days and request inspection. The
customer must place claim for damages and/or shortages
in shipment with the carrier. Stoelting, Inc. cannot make
any claims against the carrier.
CAUTION
Failure to provide adequate ventilation will void warranty.
2.3 MACHINE INSTALLATION
WARNING
Installation must be completed by a qualified
electrician/refrigeration specialist.
Incorrect installation may cause personal injury, severe damage to the machine and will void factory
warranty.
Uncrate the machine.
B.
Accurate leveling is necessary for correct drainage
of machine barrel and to insure correct overrun.
Place the Main Freezer Power Off/On switch in the
OFF position.
F.
Connect the power cord to the proper power
supply. The plug connected to the machine is a
NEMA 6-20P. Check the nameplate on your
machine for proper supply. The unit must be
connected to a properly grounded receptacle.
The electrical cord furnished as part of the machine
has a three prong grounding type plug. The use of
an extension cord is not recommended, if
necessary use one with a size 12 gauge or heavier
with ground wire. Do not use an adapter to
circumvent the grounding requirement.
WARNING
Installation of the machine involves moving the machine
close to its permanent location, removing all crating,
setting in place, assembling parts, and cleaning.
A.
E.
Do not alter or deform electrical plug in any way.
Altering the plug to fit into an outlet of different configuration may cause fire, risk of electrical shock,
product damage and will void warranty.
3
4
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
rules:
A.
Know the machine. Read and understand the
Operating Instructions.
B.
Notice all warning labels on the machine.
C.
Wear proper clothing. Avoid loose fitting garments,
and remove watches, rings or jewelry that could
cause a serious accident.
D.
Maintain a clean work area. Avoid accidents by
cleaning up the area and keeping it clean.
E.
Stay alert at all times. Know which switch, push
button or control you are about to use and what
effect it is going to have.
F.
Disconnect power for maintenance. Never attempt
to repair or perform maintenance on the machine
until the main electrical power has been
disconnected.
G.
Do not operate under unsafe operating conditions.
Never operate the machine if unusual or excessive
noise or vibration occurs.
Before operating the machine, it is required that the
operator know the function of each operating control. Refer
to Figure 3-1 for the location of the operating controls on the
machine. For the information regarding error codes displayed on the control panel, refer to the troubleshooting
section of this manual.
WARNING
High voltage will shock, burn or cause death. The
OFF-ON switch must be placed in the OFF position
prior to disassembling for cleaning or servicing. Do
not operate machine with panels removed.
Freezing Cylinder
Off/On Switch
Main Freezer
Power Off/On
Dispense Rate
Adjustor
IntelliTec Control
(See Figure 3-2)
Figure 3-1 Machine Controls
5
Push to Freeze
A. MAIN FREEZER POWER SWITCH
The Main Freezer Power switch is a two position rocker
switch that supplies power to the IntelliTec control, freezing cylinder circuits and hopper refrigeration system. When
the switch is placed in the ON position, the hopper refrigeration system will run until the preset temperature is
reached; then it will cycle ON and OFF to maintain that
temperature.
Green LED
Amber LED
Clean Button
B. FREEZING CYLINDER OFF/ON SWITCH
SEL Button
The Freezing Cylinder OFF/ON switch is a two position
toggle switch used to supply power to the freezing cylinder
control circuit. When the switch is in the OFF position, the
freezing cylinder’s refrigeration system and auger will not
operate. When the switch is in the ON position, the
machine will be operational.
SET Button
Left Arrow Button
Up Arrow Button
C. SPIGOT SWITCH
Figure 3-2 IntelliTec Control
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.
H. DRIVE MOTOR OVERLOAD
The internal drive motor overload will trip if the drive motor is
overloaded. It will reset after approximately 10-12 minutes.
If the drive motor continues to trip, refer to Troubleshooting
in Section 7.
D. DISPENSE RATE ADJUSTOR
The dispense rate adjustor is located under the header
panel, to the immediate right of the spigot handles. Turning the knob counterclockwise will decrease the dispense
rate.
I. MIX LOW LIGHT INDICATOR
A MIX LOW message will appear on the LCD display to
alert the operator of a low mix condition. The message will
display when there is approximately one gallon of mix left
in the hopper. When the MIX LOW message is displayed,
refill the hopper immediately.
E. PUSH TO FREEZE BUTTON
The PUSH TO FREEZE button is a membrane or snap
switch used to initiate "Serve Mode".
L. MENU NAVIGATION BUTTONS
NOTE
The Menu Navigation Buttons allow the user to display
information regarding the machine’s status of operation as
well as adjust product consistency (Fig. 3-2).
After the PUSH TO FREEZE button is pressed, the
drive motor starts. After a 3-second delay, the compressor will start.
Selection Button (SEL) The SEL button is used
in combination with the up arrow button to enter
into the settings of the IntelliTec control. This
button is also used to navigate through the control
settings menu.
F. LEDS
The membrane switch (touchpad) features two lights: a
green LED and an amber LED. The green LED is lit during
"Serve Mode". During freeze down, it is not lit. When
product consistency approaches 75% in the freezing
cylinder, the green LED flashes. The amber LED is on
during all other modes. Both LEDs alternatively flash if an
error occurs or if the freezing cylinder is off.
Set Button (SET) The SET button is used to save
a change made to the product consistency setting.
It is also used to save changes when modifying
control settings.
G. CLEAN BUTTON
Left Arrow Button (⇐) If the left arrow button is
pressed for 5 seconds, the display will remain lit.
To turn the light off, press the left arrow button for
5 seconds. The left arrow button is used primarily
to navigate through the control settings.
The CLEAN button is a membrane, or snap switch. When
the button is pressed, the freezing cycle stops and the
drive motor will start. A CLEAN message will display on the
LCD screen along with a 5-minute countdown timer. To
exit the CLEAN mode, turn the Freezing Cylinder OFF/ON
switch to the OFF position or press the CLEAN button
again. If the machine is left in CLEAN for more than 20
minutes, an error code (E4) will be displayed on the display
panel. Place the Freezing Cylinder OFF/ON switch in the
OFF position and back in the ON position to clear this
error.
Up Arrow Button (⇑) After pressing the SET
button, the up arrow button will change the value
of the product consistency setting. This button is
also used to navigate through the control settings.
6
3.3 IMPORTANT INFORMATION REGARDING CLEANING
AND SANITIZING
SANITIZING
·
Kills bacteria.
Soft serve machines require special consideration when it
comes to food safety and proper cleaning and sanitizing.
·
Can be effective on clean surfaces only.
NOTE
The following information specifically covers issues for
cleaning and sanitizing frozen dessert machines. This
information is meant to supplement a comprehensive food
safety program.
Using a SANITIZER on an unclean surface will not
guarantee a clean and safe frozen dessert machine.
PROPER DAILY MAINTENANCE:
SOIL MATERIALS ASSOCIATED WITH FROZEN
DESSERT MACHINES
The Only Way to Assure Food Safety and Product Quality
Proper daily maintenance can involve a wide variety of
products and procedures. Overall, the products and procedures fall into three separate categories. (Please note
that this is a brief overview intended for informational
purposes only.)
MILKFAT/BUTTERFAT – As components of ice-cream/
frozen custard mix, these soils will accumulate on the
interior surfaces of the machine and its parts. Fats are
difficult to remove and help attribute to milkstone buildup.
MILKSTONE – Is a white/gray film that forms on equipment and utensils that are exposed to dairy products.
These films will accumulate slowly on surfaces because of
ineffective cleaning, use of hard water, or both. Milkstone
is usually a porous deposit, which will harbor microbial
contaminants and eventually defy sanitizing efforts.
1.
CLEANING – This involves draining mix from the
freezing cylinder and rinsing the machine with
water. Next, a cleaner is run through the machine.
Then, the machine is disassembled and removable
parts are taken to the sink for cleaning.
2.
MILKSTONE REMOVAL – Since most cleaners
do not have the ability to remove milkstone, the
use of a delimer becomes necessary. Although
this procedure may not be needed on a daily
basis, it will usually follow the cleaning procedure.
It requires letting a delimer solution soak in the
machine for an extended period. Individual parts
are also soaked in a deliming solution for an
extended period of time (more about delimers in
Additional Information).
In addition to food safety, milkstone can cause premature
wear to machine parts, which can add to costs for replacement parts or possibly more expensive repairs if worn
machine parts are not replaced once they have become
excessively worn.
3.
SANITIZING – After the machine has been cleaned
and contains no milkstone, the machine is
reassembled. Then a FDA-approved sanitizing
solution is run through the machine to kill bacteria.
The machine is then ready for food preparation.
IMPORTANT DIFFERENCES BETWEEN CLEANING
AND SANITIZING
As a recommended cleaner and sanitizer for your frozen
dessert machine, STERA-SHEEN has proven to be one of
the best daily maintenance products for:
Once milkstone has formed, it is very difficult to remove.
Without using the correct product and procedure, it is
nearly impossible to remove a thick layer of milkstone.
(NOTE: general-purpose cleaners DO NOT remove
milkstone.) This can lead to high bacteria counts and a
food safety dilemma.
IT IS BEST TO CONTROL MILKSTONE ON A DAILY
BASIS BEFORE IT CAN BECOME A SIGNIFICANT FOOD
SAFETY PROBLEM.
CLEANING vs. SANITIZING
It is important to distinguish between cleaning and sanitizing. Although these terms may sound synonymous, they
are not. BOTH are required for adequate food safety and
proper machine maintenance.
CLEANING
·
Is the removal of soil materials from a surface.
·
Is a prerequisite for effective sanitizing.
·
CLEANING – Thorough removal of all solids
including butterfat and milk fat.
·
MILKSTONE REMOVAL – Complete removal of
milkstone.
·
SANITIZING – FDA-approved no rinse sanitizer
for food contact surfaces.
ADDITIONAL INFORMATION
THE USE OF DELIMERS
NOTE
A delimer is a strong acid that has the ability to dissolve
milkstone. This type of chemical may become necessary
once high levels of milkstone have developed. While
these products are very effective for removing HIGH
levels of milkstone, they are not ideal for two reasons:
An UNCLEAN surface will harbor bacteria that can
defy sanitizing efforts.
Bacteria can develop and resist sanitizing efforts within a
layer of soil material (milkstone). Thorough cleaning procedures that involve milkstone removal are critical for
operators of frozen dessert machines.
1.
7
PRODUCT SAFETY – Strong acids are dangerous
chemicals. Carefully follow safety instructions
provided with delimer products.
2.
MACHINE DAMAGE – Strong acids will attack
metal and rubber causing premature wear of
parts. The use of a delimer needs to be closely
monitored to avoid damage to machine surfaces
and parts.
Inspection for worn or broken parts should be made at every
disassembly of the machine. All worn or broken parts
should be replaced to ensure safety to both the operator and
the customer and to maintain good machine performance
and a quality product. Check the wear line on the auger
flights on a regular basis (Fig. 3-3) and replace as needed.
Frequency of cleaning must comply with the local health
regulations.
With proper daily use of STERA-SHEEN or its equivalent,
there is no need for the use of a DELIMER.
DO NOT USE BLEACH
·
BLEACH HAS ABSOLUTELY NO CLEANING
PROPERTIES.
·
BLEACH IS CORROSIVE. It will damage
components of the machine causing premature
wear and metal corrosion.
GENERAL PURPOSE CLEANERS
Wear Line
General purpose cleaners do not have the ability to remove milkstone. Milkstone will become a problem if not
remedied with additional products and procedures.
THE USE OF CHLORINE TEST STRIPS
“Test strips” are used to determine concentrations of
active chlorine in sanitizing solutions. To use the strips,
tear off a small portion and submerge it into the sanitizing
solution. Then, compare the color change to the color key
on the side of the test strip dispenser to determine the
approximate chlorine concentration.
Figure 3-3 Auger Flight Wear
To disassemble the machine, refer to the following steps:
A. DISASSEMBLY OF FRONT DOOR
The ideal concentration of chlorine needs to be 100 ppm
(as stated by the FDA).
1.
Turn the Main Freezer Power Off/On switch to the
OFF position.
2.
Remove the knobs on the front door.
3.
Remove the front door by pulling it off the studs.
Two main factors contribute to falling chlorine concentrations in a sanitizing solution.
4.
Remove the spigot through the bottom of the front
door.
1.
PRODUCT USE – As the chlorine in the solution
is being used, chlorine concentrations fall.
5.
2.
TIME – As time passes, small amounts of chlorine
“evaporate” from the solution. (That is why you
can smell it.)
Remove all o-rings from parts by first wiping off
the lubrication using a clean towel. Then squeeze
the o-ring upward to form a loop (Fig. 3-4). Roll the
o-ring out of the groove.
NOTE
Follow the directions on the container for proper concentration.
CAUTION
Sanitizing solutions should not be allowed to fall below 100
ppm chlorine. New solutions should be mixed once old
solutions become ineffective.
Do not use any type of sharp object to remove the
o-rings.
3.4 DISASSEMBLY OF MACHINE PARTS
WARNING
High voltage will shock, burn or cause death. The
OFF-ON switch must be placed in the OFF position
prior to disassembling for cleaning or servicing. Do
not operate machine with panels removed.
Before using the machine for the first time, complete
machine disassembly, cleaning and sanitizing procedures
need to be followed. Routine cleaning intervals and procedures must comply with the local and state health codes.
Figure 3-4 Removing O-Ring
8
B. DISASSEMBLY OF AUGER
1.
Remove the front auger support and bushing.
2.
Remove the auger assembly from the machine.
Pull the auger out of the machine barrel slowly. As
the auger is being pulled out, carefully remove
each of the plastic flights with springs.
3.
Keep the rear of the auger tipped up once it is clear
of the freezing cylinder to prevent the rear seal
assembly from dropping.
4.
Wipe the spline lubricant off of the hex end of the
auger with a paper towel. Remove the rear seal
assembly (Fig. 3-5).
5.
Unscrew the springs from the auger flights.
Figure 3-6 Clean Hoppers
D.
Clean the rear seal surfaces from the inside of the
freezing cylinder with the 90° to 110°F (32° to
43°C) detergent water.
3.6 SANITIZING MACHINE PARTS
Figure 3-5 Rear Seal Assembly
C.
Wash the hopper and freezing cylinder with the
90° to 110°F (32° to 43°C) detergent water and
brushes provided (Refer to Figure 3-6).
Place all parts in the sanitizing solution for 5
minutes, then remove and let air dry completely
before assembling in machine.
Do not use highly abrasive materials, as they will mar the
finish. A mild alkaline cleaner is recommended. Use a soft
cloth or sponge to apply the cleaner. For best results, wipe
with the grain of the steel.
Prepare detergent water by mixing 2 oz. of
Palmolive detergent or equivalent in 2 gallons of
90° to 110°F (32° to 43°C) water. Place all parts
in the detergent solution and clean with provided
brushes.
Rinse all parts with clean 90° to 110°F (32° to
43°C) water.
B.
The exterior should be kept clean at all times to preserve the
luster 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, wash the exterior with 90° to 110°F
(32°C to 43°C) detergent water and wipe dry.
Disassembled machine parts require complete cleaning,
sanitizing and air drying before assembling. Local and
state health codes will dictate the procedure required.
Some state health codes require a four sink process (prewash, wash, rinse, sanitize, air dry), while others require a
three sink process (without the pre-wash step). The following procedures are a general guideline only. Consult
your local and state health codes for the procedures
required in your location.
B.
Use Stera-Sheen or equivalent sanitizing solution
mixed according to manufacturer’s instructions to
provide a 100 parts per million strength solution.
Mix sanitizer in quantities of no less than 2 gallons
of 90° to 110°F (32°C to 43°C) water. Any sanitizer
must be used only in accordance with the
manufacturer’s instructions.
3.7 CLEANING THE MACHINE
3.5 CLEANING DISASSEMBLED PARTS
A.
A.
9
A.
Clean the rear seal surface from inside of the
freezing cylinder.
B.
Using sanitizing solution and the large barrel
brush provided, sanitize the freezing cylinder by
dipping the brush in the sanitizing solution and
brushing the inside of the freezing cylinder.
C.
Remove the drip tray by pulling from the front
panel. Clean and replace the drip tray.
3.8 ASSEMBLING MACHINE
H.
Apply a thin layer of sanitary lubricant to the inside
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.
Apply a thin layer of sanitary lubricant to the orings on the spigot body and install the spigot body
through the bottom of the front door.
K.
Apply a thin film of sanitary lubricant to the door
seal o-ring and fit it into the groove on the rear of
the front door.
M.
Place the front door assembly on the mounting
studs and the push front door against the machine
carefully.
N.
Secure the front door to the machine by placing the
knobs on the studs and tightening until finger tight.
Do not overtighten. A proper o-ring seal can be
observed through the transparent front door.
To assemble the machine parts, refer to the following steps:
NOTICE
Petrol-Gel sanitary lubricant or equivalent must be
used when lubrication of machine parts is specified.
NOTICE
The United States Department of Agriculture and
the Food and Drug Administration require that lubricants used on food processing equipment be
certified for this use. Use lubricants only in accordance with the manufacturer’s instructions.
A.
Assemble all o-rings onto parts dry, without
lubrication. Then apply a thin film of sanitary
lubricant to exposed surfaces of the o-rings.
B.
Lubricate the rear seal area on the auger shaft
with a thin layer of sanitary lubricant. Install the
rear seal o-ring. Lubricate the outside of the rear
seal o-ring with sanitary lubricant.
C.
Install the stainless steel rear seal adapter into the
rear seal dry (without lubricant). Lubricate the
inside metal surface of the rear seal adapter and
install it onto the auger shaft. DO NOT lubricate the
outside of the rear auger seal (Fig. 3-6).
3.9 SANITIZING
Sanitizing must be done after the machine is clean and just
before the machine is filled with mix. Sanitizing the night
before is not effective. However, you should always clean
the machine and parts after using it.
NOTE
The United States Department of Agriculture and
the Food and Drug Administration require that all
cleaning and sanitizing solutions used with food processing equipment be certified for this use.
When sanitizing the machine, refer to local sanitary regulations 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 quantities of no less than 2 gallons of 90°F to 110°F (32°C to
43°C) water. Allow sanitizer to contact the surfaces to be
sanitized for 5 minutes. Any sanitizer must be used only in
accordance with the manufacturer’s instructions.
Figure 3-6 Lubricate Rear Seal
D.
E.
Screw the springs onto the studs in the plastic
flights. The springs must be screwed into the
flights completely to provide proper compression.
F.
Install the two plastic flights onto the rear of the
auger and insert it part way into the freezing
cylinder.
G.
CAUTION
Lubricate the hex drive end of the auger with a small
amount of spline lubricant. A small container of
spline lubricant is shipped with the machine.
Risk of Product Damage
Avoid prolonged contact of sanitizer with machine
parts. Sanitizer may cause corrosion of stainless
steel parts if there is prolonged contact.
Install the remaining plastic flights, push the auger
into the freezing cylinder and rotate slowly until the
auger engages the drive shaft.
10
A.
Prepare 2 gallons of sanitizing solution following
the manufacturer’s instructions.
B.
Install the mix inlet regulator into the hopper.
C.
Pour the sanitizing solution into the hopper.
D.
Place the Main Power OFF/ON and Freezing
Cylinder OFF/ON switches in the ON position.
Press the CLEAN button.
E.
Check for leaks.
1. Check for leaks at the front door seals.
2. Check the drain tray located under the front dor
for leaks coming from the rear of the rear auger
seal.
F.
G.
H.
Using a sanitized soft bristle brush (or equivalent)
dipped in sanitizing solution, clean the hopper
sides, mix inlet regulator and underside of the
hopper cover.
After five minutes, open the spigot to expel
sanitizing solution. Drain all of the solution from
the machine.
9.
Change the value to 8.0. Press the left arrow (⇐)
button to move the cursor. Press the up arrow (⇑)
button to increase the digit. When a digit reaches
9, pressing the up arrow (⇑) button again will
change the value to 0.
10.
After entering 8.0, press SET to save this value.
The LCD will read “CutOut Set -- OK”.
11.
Press the SEL button. The LCD will read “CutOut
amps 8.0”.
12.
Press the SEL button twice. The LCD will read
“DISPLAY”.
13.
Press the up arrow (⇑) button to navigate to the
“°F” and “amps” readings.
C. INITIAL FREEZE DOWN
14.
When the solution has drained, press the CLEAN
button to stop the auger and place the Main Power
OFF/ON and Freezing Cylinder OFF/ON switches
in the OFF position. Allow the freezing cylinder to
drain completely.
Press the PUSH TO FREEZE button.
NOTE
After the drive motor starts, there is a 3-second delay
before the compressor starts.
15.
As the product freezes, the “amps” value on the
display will increase. When it reaches 2.8A, open
the spigot, take a 6-8 ounce sample and measure
the temperature. For most soft serve mixes, the
desired temperature is between 19.0°F and 19.5°F.
16.
Draw samples at every increase of 0.2A until
reaching the desired consistency and temperature.
The machine is now sanitized and ready for adding mix.
3.10 INITIAL FREEZE DOWN AND OPERATION
Every Stoelting soft serve machine needs to be set on site.
The following adjustment will provide optimal product consistency while prolonging product life.
NOTE
NOTE
Show the sample to the customer and make sure it
meets their required consistency and temperature.
The machine is designed for correct operation in
ambient temperatures between 50°F and 110°F.
Temperatures out of that range may cause refrigeration problems and product quality issues.
17.
Record the “amps” value.
18.
Place the Freezing Cylinder OFF/ON switch in the
OFF position.
A. ADDING MIX
1.
Sanitize the machine immediately before use.
D. ADJUSTING THE INTELLITEC CONTROL
2.
Make sure the Freezing Cylinder OFF/ON switch
is in the OFF position.
19.
Press the SEL button. The display will read
“DISPLAY”.
3.
Fill the hopper with at least 2.5 gallons of mix.
20.
4.
Place a container under the spigot and open the
spigot to allow the mix to flush out about 8 ounces
(0.23 liters) of sanitizing solution and liquid mix.
Close the spigot.
Press the left arrow (⇐) button once. The display
will read “BASIC”.
21.
Press the up arrow (⇑) button once. The display
will read “CutOut amps”.
22.
Change the value to the recorded value by pressing
the SET button. A cursor will start blinking under
the far right digit.
23.
Press the left arrow (⇐) button to move the
cursor. Press the up arrow (⇑) button to increase
the digit. When a digit reaches 9, pressing the up
arrow (⇑) button again will change the value to 0.
B. PREPARING THE INTELLITEC CONTROL
5.
On the IntelliTec control, press and hold the SEL
button for 8 seconds. While still holding the SEL
button, press the up arrow (⇑) button. The LCD
will read “DISPLAY”.
6.
Press the left arrow (⇐) button once. The display
will read “BASIC”.
24.
7.
Press the up arrow (⇑) button once. The display
will read “CutOut amps”.
Press the SET button to save the value. The LCD
will read “CutOut Set -- OK”.
25.
8.
Press the SET button. A cursor will start blinking
under the far right digit.
Press the SEL button. The LCD will read “CutOut
amps” along with the programmed value from the
previous step.
11
26.
Press the SEL button three times. The LCD will
read “EXITMENU”.
27.
Press the up arrow (⇑) button to exit the menu.
28.
Adjustment to the control is completed.
G.
When the product is at 75% consistency, the
display will read “SERVE”. Open the spigot to
dispense product.
H.
The machine dispenses product at a reasonable
draw rate. If the machine is overdrawn, the result is
a soft product or a product that will not dispense
at all. If this occurs, allow the machine to run for
approximately 30 seconds before dispensing more
product. A dispense rate adjustor is located under
the header panel, to the immediate right of the
spigot handle. Turning the knob counterclockwise
will decrease the dispense rate.
I.
Do not operate the machine when the MIX LOW
message is displayed. Refill the mix container
immediately.
E. SERVING PRODUCT
29.
Place the Freezing Cylinder OFF/ON switch in the
ON position.
30.
Press the PUSH TO FREEZE button.
31.
When the product is at 75% consistency, the
display will read “SERVE”.
32.
For normal dispensing, move the spigot handle
fully open.
33.
The machine dispenses product at a reasonable
draw rate. If the machine is overdrawn, the result is
a soft product or a product that will not dispense
at all. If this occurs, allow the machine to run for
approximately 30 seconds before dispensing more
product. A dispense rate adjustor is located under
the header panel, to the immediate right of the
spigot handle. Turning the knob counterclockwise
will decrease the dispense rate.
34.
NOTE
The machine has a standby and sleep mode. After
a preset number of freezing cycles, it will enter the
standby mode (followed by sleep mode) and remain
there until someone draws product or presses the
PUSH TO FREEZE button. In the sleep mode, the
machine will keep the product below 41°F (5°C).
Sleep modes do not take the place of cleaning and
sanitizing. Federal, State, and local regulatory agencies determine frequency of cleaning and sanitizing.
Do not operate the machine when the MIX LOW
message is displayed. Refill hopper immediately.
NOTE
The machine has a standby and sleep mode. After
a preset number of freezing cycles, it will enter the
standby mode (followed by sleep mode) and remain
there until someone draws product or presses the
PUSH TO FREEZE button. In the sleep mode, the
machine will keep the product below 41°F (5°C).
Sleep modes do not take the place of cleaning and
sanitizing. Federal, State, and local regulatory agencies determine frequency of cleaning and sanitizing.
3.12 MIX INFORMATION
Mix can vary considerably from one manufacturer to
another. Differences in the amount of butterfat content
and quantity and quality of other ingredients have a direct
bearing on the finished frozen product. A change in machine
performance that cannot be explained by a technical
problem may be related to the mix.
3.11 NORMAL FREEZE DOWN AND
OPERATION
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.
The following section contains the recommended operating procedures for the safe operation of the machine.
When checking the temperature, stir the thermometer in
the frozen product to get an accurate reading.
A.
Sanitize immediately before use.
B.
Make sure the Freezing Cylinder Off/On switch is
in the OFF position.
C.
Fill the hopper with at least 2.5 gallons of mix.
Old mix, or mix that has been stored at too high a
temperature, can result in a finished product that is unsatisfactory. To retard bacteria growth in dairy based mixes,
the best storage temperature range is between 33° to 38°F
(0.5° to 3.3° C).
D.
Place a container under the spigot and open the
spigot to allow the mix to flush out about 8 ounces
(0.23 liters) of sanitizing solution and liquid mix.
E.
Place the Freezing Cylinder OFF/ON switch in the
ON position.
F.
Press the PUSH TO FREEZE button.
NOTE
After the drive motor starts, there is a 3-second delay before the compressor starts.
12
SECTION 4
MAINTENANCE AND ADJUSTMENTS
4.1
MACHINE ADJUSTMENT
4.3
This section is intended to provide maintenance personnel
with a general understanding of the machine adjustments.
It is recommended that any adjustments in this section be
made by a qualified person.
The IntelliTec control has a tamper proof mode to prevent
unauthorized use. When set, all buttons on the control
panel are disabled. Follow the instructions below to lock
the control panel
4.2
PRODUCT CONSISTENCY
ADJUSTMENT
The operator can adjust product consistency by modifying
the Fine Adjustment setting on the membrane switch. This
is the only adjustment that can be made by the operator
without using a pass code key sequence. Increasing this
setting will increase the drive motor amperage cutout and
increase product consistency. Follow the instructions
below to make fine adjustments to product consistency.
A.
LOCKING THE CONTROL PANEL
A.
Press and hold the PUSH TO FREEZE button for
at least 5 seconds.
B.
While still holding the PUSH TO FREEZE button,
press the CLEAN button once.
C.
Release both buttons. An asterisk (*) will appear
on the bottom line of the display, indicating that
the control is in the lock out mode.
NOTE:
Repeat steps A, B, and C to unlock the control panel.
Place the Main Freezer Power switch in the ON
position.
B.
Press the SET button on the Control Panel once.
Fine Adj will appear on the LCD screen.
4.4
OBTAINING READINGS AND
MODIFYING SETTINGS (SERVICE
PERSONNEL ONLY)
C.
Press the up arrow button (⇑) until the desired
consistency setting is displayed. The higher the
number, the firmer the product consistency. The
control may be set from 1 to 9. The value increases
by 1 each time the up arrow button is pressed. After
the value reaches 9, numbering restarts at 0. The
0 setting cannot be set.
Readings and settings on the IntelliTec control are accessed through the IntelliTec Control Menu Settings (Refer to Figure 4-2). Locating machine readings and system
function settings are completed using the up arrow (⇑) and
⇐) buttons on the membrane switch. A printed
left arrow (⇐
IntelliTec Menu Settings sheet is located in the information
pouch behind the header panel.
D.
Press the SET button once to save the setting and
return to the current mode display.
IntelliTec Control Readings
To obtain machine readings, locate the value on the
machine's menu settings sheet and follow the steps below.
Figure 4-1 Membrane Switch
13
A.
Press and hold SEL button for 8 seconds. While
still holding the SEL button, press the up arrow
button (⇑). The LCD Screen will read DISPLAY.
B.
Release both buttons.
C.
Press the up arrow button (⇑) to navigate to the
correct reading under DISPLAY or press the left
⇐) button to navigate to the ERRCODES
arrow (⇐
menu.
D.
⇐) buttons
Press the up arrow (⇑) and left arrow (⇐
to navigate through the rest of the readings as
needed.
E.
When all readings have been obtained, press the
up arrow button (⇑) from ExitMenu to return to the
current mode display.
14
Figure 4-2 IntelliTec Control Menu Settings
Aux. Temp (°F)
Modifying Control Settings
This reading provides the ambient temperature
around the IntelliTec control.
To change the value of a system function, locate the
function on the IntelliTec Settings Menu and follow the
steps below.
Supply V (VAC)
IMPORTANT:
A calculated input voltage is recorded.
Before making changes to any settings, record the
original values. If the setting changes do not achieve
desired results, revert settings to their original values.
A.
ERROR CODE READINGS
The following details are recorded under the ERRCODES
menu for each of the last 25 error codes received:
Err1 (hours)
Press and hold SEL button for 8 seconds. While
still holding the SEL button, press the up arrow
button (⇑). The LCD Screen will read DISPLAY.
B.
Release both buttons.
C.
⇐) to get to the correct
Press the left arrow button (⇐
menu (Basic, Advanced, or Storage).
D.
Press the up arrow button (⇑) to navigate to the
value that needs to be changed.
E.
Press SET button to enter edit mode.
F.
Press the up arrow button (⇑) to change setting.
G.
Press SET button to save the setting and exit the
edit mode.
H.
⇐) buttons
Press the up arrow (⇑) and left arrow (⇐
to navigate through the rest of the settings as
needed.
I.
When all changes have been completed, press
the up arrow button (⇑) from ExitMenu to return to
the current mode display.
A numerical count of the last 25 error codes is
recorded. When the 26th error has occurred the
earliest error code is erased. A timer also begins
when an error occurs. The timer records the
number of hours since the error occurred. If
power to the machine is interrupted, the timer will
stop until power has been restored.
°F and amps
The suction gas temperature on the freezing
cylinder and the drive motor amps are recorded at
the time of the error.
Aux. Temp (°F)
Ambient temperature of the IntelliTec control is
recorded at the time of the error.
Str (°F)
The storage temperature is recorded at the time
of the error.
VAC and Mode
A calculated input voltage and mode at which the
error occurred are recorded. Following are
descriptions of each mode:
4.5
READINGS (SERVICE PERSONNEL
ONLY)
The IntelliTec control continuously monitors and records
temperatures, voltages, amps, and error code details.
Each of these readings are beneficial to service personnel
when troubleshooting.
DISPLAY READINGS
Following are the readings available under the DISPLAY
menu:
Hopper L (°F) / Hopper R (°F)
The temperature of the left and right hoppers are
constantly monitored by the IntelliTec control.
Cycles (count)
This reading counts down the number of cycles in
the current "Serve Mode". The starting value is
dependant upon the Cycles setting on the IntelliTec
control.
°F and amps
Suction line temperature on the freezing cylinder
and drive motor amps are available on the same
screen to assist with setup and troubleshooting.
15
Mode
Description
0
Start of freezing cycle
1
Compressor and drive motor on
2
Stir Cycle
3
Compressor off
4
"Standby Mode"
5
"Sleep 1 Mode"
6
"Sleep 2 Mode"
7
"Clean Mode"
8
Startup
9
Storage only refrigeration
10
Freezing cycle is shut down
11
Door safety switch triggered
12
High pressure cutout
Cut In T (°F)
Up Time (hours)
After the consistency value has been determined,
the Cut In T value can be adjusted. The Cut In T
is the temperature of the refrigerant gas in the
evaporator. Changing this setting changes the
temperature at which the freezing cycle starts.
This value along with the CutOut value determines
the range of temperatures (or "temperature window")
of the product. Decreasing the temperature
decreases the temperature window and, under
normal use, increases the amount of freezing
cycles. This creates a greater chance of product
breakdown by stirring the product often. Increasing
the Cut In T increases the temperature window
which decreases freezing cycles and increases
the chance of heat shock within the product.
This value is a record of the total time the machine
has been in service. If power is interrupted, the
timer will stop until power is restored. This timer
does not reset.
RUN STATISTICS
In addition to dynamic readings and recorded
error code details, the IntelliTec control records
rolling averages of run statistics. Following are
the readings available under the RUNSTATS
menu:
On Times (sec)
The control records the time of each freezing
cycle and provides a rolling average.
Off Times (sec)
Cycles (count)
The control records the time between freezing
cycles and provides a rolling average.
This setting determines the number of freezing
cycles during "Serve Mode". Increasing the value
will increase the total time in "Serve Mode". Factory
default is 16 cycles. This results in "Serve Mode"
lasting about 2 to 2-1/2 hours without the PUSH
TO FREEZE button being pressed or a spigot
handle being pulled. If the PUSH TO FREEZE
button is pressed or the spigot handle is pulled at
any time during "Serve Mode", the Cycles count
will reset.
Brl. Min (°F)
The lowest average barrel temperature is
recorded.
Brl. Max (°F)
The highest average barrel temperature is
recorded.
Stor Min (°F)
The lowest average hopper or cabinet temperature
is recorded.
4.7
OTHER SETTINGS (SERVICE
PERSONNEL ONLY)
Stor Max (°F)
Changing any setting on the IntelliTec control will alter
machine operation and affect the product temperature,
consistency, or life. Refer to the IntelliTec Control System
Settings sheet located in the information pouch behind the
header panel of the machine. If any of the following settings
on the IntelliTec control differ from the System Settings
sheet, it is recommended to revert those settings to factory
defaults.
The highest average hopper temperature is
recorded.
Power On (hrs)
This value is a record of the time the machine has
been in service. If power is interrupted, the timer
will reset.
Stir On (sec)
4.6
ADJUSTMENTS (SERVICE PERSONNEL
ONLY)
Adjustments to this setting affect the amount of
time the auger rotates in the stir cycle. The stir
cycle occurs in "Serve Mode", "Standby Mode",
and "Sleep 2 Mode".
The following adjustments directly affect product consistency and length of time in "Serve Mode". The default
settings have been created using a 5% milkfat soft serve
mix and provide optimal product consistency while prolonging product life.
Stir Off (sec)
Adjustments to this setting affect the time between
stir cycles. The stir cycle occurs in "Serve Mode",
"Standby Mode", and "Sleep 2 Mode".
CutOut (amps)
It is recommended to change the CutOut value at
initial startup and when changing mix types.
Adjustments to this setting directly affect the
length of the freezing cycle which changes product
consistency. To properly set the CutOut value,
refer to Section 3-10.
On Time (sec)
Increasing this value will increase the length of the
freezing cycle during "Standby Mode" and result
in a decrease of average product temperature in
the barrel.
16
Off Time (sec)
4.8
Increasing this value will increase the time between
freezing cycles in "Standby Mode" and result in an
increase of product temperature in the barrel.
DRIVE BELT TENSION ADJUSTMENT
To check belt tension, refer to Figure 4-4 and follow the
steps below:
Stb Time (sec)
WARNING
This setting determines the total amount of time in
"Standby Mode".
Hazardous voltage
The Main Freezer Power switch must be placed in
the OFF position when disassembling for servicing.
The freezer must be disconnected from electrical
supply before removing any access panel. Failure to
disconnect power before servicing could result in
death or serious injury.
Sl1DrvOn (sec)
Adjustments to this setting affect the amount of
time the auger rotates in the stir cycle. This stir
cycle only occurs in "Sleep 1 Mode".
Sl1DrOff (sec)
Adjustments to this setting affect the time between
stir cycles. The stir cycle only occurs in "Sleep 1
Mode".
Sl2CutIn (°F)
Changing this setting affects the temperature at
which the freezing cycle starts in "Sleep 2 Mode".
A.
Remove the back panel.
B.
Use a Burroughs Belt Tension Gauge to set the
tension for the drive belt. Set the belt tension to 3540 lbs.
C.
If an adjustment is necessary, loosen the four
motor plate retaining nuts, adjust belt tension then
retighten the four nuts.
D.
Using a straightedge, check that the drive motor
pulley is aligned with the speed reducer pulley.
Align the pulley if necessary.
Sl2CtOut (°F)
Changing this setting affects the temperature at
which the freezing cycle stops in "Sleep 2 Mode".
DftOffTm (sec)
In "Serve Mode", this value determines the
maximum time without a freezing cycle. If this
value is met, a freezing cycle will start. In the event
of a freezing cylinder temperature sensor failure,
this value affects the amount of time between
freezing cycles during "Serve Mode".
NOTE
Belt life will be increased if new drive belts are tightened after two or three weeks of operation.
Refriger
This setting changes how the control handles the
storage refrigeration cycle. The setting for the
E131 and F131 is 2 Hopper on the left control and
None on the right control.
HprCutIn (°F)
This setting determines the temperature at which
the hopper refrigeration cycle starts. This setting
is only available on the left control.
HprCtOut (°F)
This setting determines the temperature at which
the hopper refrigeration cycle stops. This setting
is only available on the left control..
Hpr Off (min)
Figure 4-4 Belt Tension Adjustment
If the temperature sensor in the hopper fails, this
setting determines the time between hopper
refrigeration cycles. This setting is only available
on the left control..
4.9
CONDENSER CLEANING
The air-cooled condenser is a copper tube and aluminum fin
type. Condensing is totally dependent upon airflow. A
plugged condenser filter, condenser, or restrictions in the
louvered panel will restrict airflow. This will lower the
capacity of the system and damage the compressor. The
condenser must be kept clean of dirt and grease. The
machine must have a minimum of 3” (7.5 cm) of ventilation
Hpr On (sec)
If the temperature sensor in the hopper fails, this
setting determines the length of the hopper
refrigeration cycle. This setting is only available
on the left control..
17
on the right and left sides of the unit for free flow of air. Make
sure the machine is not pulling over 100° F (37° C) air from
other equipment in the area.
4.10
PREVENTATIVE MAINTENANCE
It is recommended that a preventative maintenance schedule be followed to keep the machine clean and operating
properly. The following steps are suggested as a preventative maintenance guide.
The water-cooled condenser is a tube and shell type. The
condenser needs a cool, clean supply of water to properly
cool the machine, inlet and discharge lines must be 3/8” I.D.
minimum.
The condenser and condenser filter require periodic cleaning. To clean, refer to the following procedures.
The United States department of agriculture and the food
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.
1.
A.
2.
Remove the Phillips head screw from the bottom of
the right side panel, and then slide the panels down
and out.
Daily checks
Check for any unusual noise or condition and repair
immediately.
To remove the condenser filter, grasp the top and
pull off. Visually inspect for dirt. If the filter is dirty,
shake or brush excess dirt off the filter and wash in
warm, soapy water. Once the filter is clean rinse
thoroughly in warm, clear water and shake dry,
taking care not to damage the filter in any way
(Figure 4-5).
B.
Monthly checks
Check the condenser filter for dirt. (Refer to
section 4.9).
C.
Quarterly Checks
Check drive belts for wear and tighten belts if
necessary. (Refer to section 4.8)
4.11
EXTENDED STORAGE
Refer to the following steps for storage of the machine over
any long period of shutdown time:
A.
Clean thoroughly with warm detergent all parts
that come in contact with mix. Rinse in clear water
and dry all parts. Do not sanitize.
NOTE
Do not let cleaning solution stand in machine barrel
or mix pump during the shutdown period.
B.
Remove, disassemble, and clean the front door,
and auger shaft. Leave disassembled during the
shutdown period.
C.
Place the auger flights and auger support bushing
in a plastic bag with a moist paper towel. This will
prevent them from becoming brittle if exposed to
dry air over an extended period of time (over 30
days).
D.
For water-cooled machines that are left in unheated
buildings, or buildings subject to freezing, the
water must be shut off and disconnected.
Disconnect the water inlet fitting. The fitting is
located at the rear of the machine. Run the
compressor for 2 - 3 minutes to open water valve
(the front door must be attached for the compressor
to run). Blow out all water through water inlet. Drain
the water supply line coming to the machine.
Disconnect the water outlet fitting.
E.
Place the Main Freezer Power OFF/ON switch in
the OFF position.
F.
Disconnect the machine from the source of
electrical supply.
Figure 4-5 Condenser Filter Removal
3.
Visually inspect the condenser for dirt by shining
a light through the coil from the back (inside) of the
condenser.
4.
If the condenser is dirty, place a wet towel over the
outside of the condenser.
5.
Using compressed air or a CO2 tank, blow out the
dirt from the inside of the condenser. Most of the
dirt will cling to the wet towel.
NOTE
If the condenser is not kept clean, refrigeration efficiency will be lost.
18
SECTION 5
TROUBLESHOOTING
Error Code 3 - Run Time
5.1 ERROR CODES
The Run Time Error (E3) occurs when the
compressor runs continuously for 20 minutes
without the product reaching consistency in “Serve
Mode” or if the product does not reach proper
temperature in “Sleep 2 Mode”. This error is generally
caused by very low mix levels in the machine’s 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 hopper. If the level mix is low, add mix.
If there is a possibility that the mix has broken
down, clean and sanitize the machine and replace
the mix with fresh product.
When the machine experiences a problem, one of the
following error codes will be displayed on the control panel.
Each error code directs you to the system location of the
malfunction.
ERROR CODE MALFUNCTION
1
Soft
2
High Torque
3
Run Time
4
Clean
5
Freezing Cylinder Sensor
6
Hopper Sensor (single hopper machines)
7
Drive Motor
8
Cab Sensor
9
High Pressure Cutout
10
Auxiliary Sensor
11
Low Temperature
12
Left Hopper Sensor
13
Right Hopper Sensor
Ice crystals in the hopper can clog the mix inlet
system and prevent mix from entering the freezing
cylinder. Thoroughly thaw mix per manufacturer’s
recommendations. To check for ice crystals, pour
a small amount of product from the mix container
through a clean and sanitized sieve or strainer. If
ice crystals are in the mix, check temperature of
the walk-in cooler where the mix is stored.
In air cooled machines, the Run Time Error may
indicate that airflow within the machine has reduced
or stopped. Check the sides and top of the machine
for anything that would restrict airflow.
To return the machine to normal operation, any error
causing condition must be corrected and the Freezing
Cylinder Off-On switch must be placed in the Off position
and back in the On position before the affected side of the
machine will return to normal operation.
If the error persists after attempting to clear it,
contact your Authorized Stoelting Distributor for
further assistance.
Error Code 4 - Clean
5.2 TROUBLESHOOTING
If the machine is left in the Clean Mode for more
than 20 minutes, the control panel will display a
Clean Error (E4). This condition does not reflect a
problem with the machine itself. The Clean Error
has been programmed into the controller as a
safeguard to protect the machine from potential
damage caused by the machine being accidentally
left in "Clean Mode". The control will attempt to
restart itself after 5 minutes. The display will then
flash and read Restart. To clear the Clean Error,
turn the Freezing Cylinder Off-On switch Off and
back On. After restarting the machine, a refrigeration
cycle will begin. This protects the product in case
the clean button was pressed by mistake.
Error Code 1 - Soft Error
The Soft Error (E1) is an internal control board error
that is logged for future analysis. The refrigeration
is never stopped and the machine will continue to
operate normally.
Error Code 2 - High Torque
If the control panel displays a High Torque Error
(E2), the controller has sensed that the drive motor
is running at 125% of the preset CutOut amp
setting for 10 or more seconds. This may be due
to the product consistency adjustment being set
too high. Place the Main Power OFF/ON switch in
the OFF position, wait until the product in the
freezing cylinder thaws and return the switch to the
ON position. Follow the instructions in Section 3 to
reduce the product consistency by a few levels. If
the error persists, contact your Authorized Stoelting
Distributor for further assistance.
19
Error Code 5 - Freezing Cylinder Sensor
Error Code 12 - Left Hopper Sensor
The Freezing Cylinder Sensor Error (E5) indicates
a failure of the barrel sensor or an extreme out of
range condition (< -34°F or > 99°F). If the control
panel displays an E5, place the Freezing Cylinder
Off-On switch Off and back On. If the error persists,
contact your Authorized Stoelting Distributor for
further assistance.
The Left Hopper Sensor Error (E12) indicates a
failure of the hopper sensor or an extreme out of
range condition (< -34°F or > 99°F). If the control
panel displays an E12, turn the left Freezing
Cylinder Off-On switch Off and back On. If the error
persists, contact your Authorized Stoelting
Distributor for further assistance.
NOTE
NOTE:
When the machine encounters a Freezing Cylinder
Sensor Error, the machine will continue to run using
preset timers. This mode will allow the operator to
continue serving product until the machine can be
serviced.
If the right control panel shows an E12, make sure
the storage setting is set to NONE.
Error Code 13 - Right Hopper Sensor
The Right Hopper Sensor Error (E13) indicates a
failure of the hopper sensor or an extreme out of
range condition (< -34°F or > 99°F). If the control
panel displays an E13, turn the right Freezing
Cylinder Off-On switch Off and back On. If the error
persists, contact your Authorized Stoelting
Distributor for further assistance.
Error Code 6 - Hopper Sensor (single hopper machines)
The Hopper Sensor Error (E6) will not occur on the
machine.
Error Code 7 - Drive Motor
If the control panel displays a Drive Motor Error
(E7), the control does not sense current coming
from the drive motor. Turn the Freezing Cylinder
Off-On switch Off and back On. If the error persists,
contact your Authorized Stoelting Distributor for
further assistance.
NOTE:
If the right control panel shows an E13, make sure
the storage setting is set to NONE.
Alternating Flashing Control Panel Lights
The display panel lights will flash in an alternating
sequence under any error codes. Clear the error
and place the Freezing Cylinder Off-On switch in
the Off position and back in the On position.
Error Code 8 - Cab Sensor
A Cab Sensor Error (E8) will not occur on the
machine.
Error Code 9 - High Pressure Cutout
High Pressure Cutout Errors (E9) are usually
caused by a dirty or inefficient condenser. If the
control panel displays an E9 on an air cooled
machine, check for proper air clearance around the
machine. If the error persists, contact your
Authorized Stoelting Distributor for further
assistance.
Error Code 10 - Auxiliary Sensor
An Auxiliary Temperature Sensor Error (R10)
occurs if the temperature sensor on the control
board fails. Turn the Freezing Cylinder Off-On
switch Off and back On. If the error persists,
contact your Authorized Stoelting Distributor for
further assistance
Error Code 11 - Low Temperature
The Low Temperature Error (E11) occurs when the
temperature of the gas refrigerant at the barrel
sensor falls below -20°F. Although the machine
will not shut down, the active freezing cycle will
immediately end. This error usually occurs when
the machine continues to run in a low mix condition
or if the machine runs out of mix. The product
towards the front of the barrel tends to freeze solid.
20
5.3 TROUBLESHOOTING - MACHINE
PROBLEM
Machine does not
run.
Machine will not
shut off.
POSSIBLE CAUSE
REMEDY
1. Power to machine is off.
2. Blown fuse or tripped circuit.
3. Freeze-up (auger will not turn).
1. Supply power to machine.
2. Replace or reset.
3. Turn CLEAN-OFF-ON switch to OFF (middle)
position for 15 minutes, then restart.
4. Wait until automatic reset for machine to start.
5. Assemble front door in place.
4. High pressure cut-out tripped.
5. Front door not in place.
1. Drive belt failure.
1. Replace drive belt.
2. Consistency temperature setting is too 2. Turn Consistency Adjustment knob counterfirm.
clockwise.
3. Refrigeration problem.
3. Check system. (See Section 5)
1. CutOut setting is too high.
Product is too firm. 2. Product break down.
1. Adjust the CutOut amps (See Section 3-10).
2. Drain, clean and sanitize machine. Fill with
fresh mix.
1. No vent space for free flow of cooling
air.
2. Air temperature entering condenser is
above 100°F.
3. Condenser is dirty.
Product is too soft. 4. CutOut setting is too low.
5. Stabilizers in mix are broken down.
1. A minimum of 3" of vent space required. (See
Section 2)
2. Change location or direct hot air away from
machine.
3. Clean. (See Section 3)
4. Adjust the CutOut amps (See Section 3-10).
5. Remove mix, clean, sanitize and freeze down
with fresh mix.
6. Remove mix, clean, reassemble, sanitize and
freeze down.
7. Check system. (See Section 5)
6. Auger is assembled incorrectly.
7. Refrigeration problem.
Product does not
dispense.
Drive belt slipping
or squealing.
Rear auger seal
leaks.
Front door leaks.
1. No mix in hopper.
2. Capacity of machine is being
exceeded.
3. Drive motor overload tripped.
4.
5.
1.
2.
1. Fill hopper with mix.
2. Slow up on the draw rate.
3. Wait for automatic reset. (If condition
continues, call distributor for service.)
4. Replace drive belt.
5. Turn CLEAN-OFF-ON switch to OFF (middle)
position for 15 minutes, then restart.
1. Replace drive belt.
2. Turn CLEAN-OFF-ON switch to OFF (middle)
position for 15 minutes, then restart.
3. Adjust belt tension
Drive belt failure.
Freeze-up (Auger will not turn).
Worn drive belt.
Freeze-up (Auger will not turn).
3. Not tensioned properly
1. Outside surface of rear auger seal is
lubricated.
2. Rear seal missing or damaged.
3. Seal o-ring missing, damaged or
installed incorrectly.
4. Worn or scratched auger shaft.
1. Clean lubricant from outside of rear seal,
lubricate inside of seal and reinstall.
2. Check or replace.
3. Check. or replace.
1. Front door knobs are loose.
2. Spigot parts are not lubricated.
3. Chipped or worn spigot o-rings.
4. O-rings or spigot installed wrong.
5. Inner spigot hole in front door nicked or
scratched.
1.
2.
3.
4.
5.
21
4. Replace auger shaft.
Tighten knobs.
See Section 3.
Replace o-rings.
Remove spigot and check o-ring.
Replace front door.
22
SECTION 6
REPLACEMENT PARTS
6.1 DECALS AND LUBRICATION
Part
208135
208380
208401
208467
236025
324065
324105
324106
324107
324141
324200
324208
324393
324509
324566
324584
324592
324593
324594
324612
324686
324803
324804
324806
324825
324827
324889
368140
396241
508048
508135
513650
1159584
2177917
Description
Brush - 4" X 8" X 16" (Barrel)
Brush - 1/4" X 3" X 14"
Brush - 1" X 3" X 10"
Brush - 3/8" X 1" X 5"
Card - Cleaning Instruction
Decal - Water Inlet
Decal - Caution Electrical Shock
Decal - Caution Electrical Wiring Materials
Decal - Caution Hazardous Moving Parts
Decal - Caution Rotating Blades
Decal - High Pressure Cut-Out (Water-Cooled)
Decal - Attention Refrigerant Leak Check
Decal - Stoelting Swirl Logo (Drip Tray Support)
Decal - Cleaning Instructions
Decal - Wired According To
Decal - Adequate Ventilation 3"
Decal - Hold Ready
Decal - Power
Decal - Attention Heat Sensitive
Decal - Control
Decal - Danger Automatic Start
Decal - Domed Stoelting Logo (Large) (Header Panel)
Decal - Domed Stoelting Swirl (Header Panel)
Decal - Domed A & W Logo (Header Panel)
Decal - Main Freezer Power
Decal - Freezing Cylinder
Decal - Orange Tree
Filter - Air (Condenser)
Gasket - Freezer Base
Lubricant - Spline (2 oz Squeeze Tube)
Petrol Gel - 4 oz Tube
Manual - Service
Mix Out Audible Signal
Brush Kit
23
Quantity
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
6.2 AUGER SHAFT AND FACEPLATE PARTS
24
6.2 AUGER SHAFT AND FACEPLATE PARTS (CONTINUED)
Part
149003
232734
266076
314453
381804
417006
482019
624598-5
624614-5
624664-5
624677-5
624678-5
625133
666786
694255
744260-SV
744273
1159501
1177429
2149243-01
2177072
2177073
2177074
2177428
2187811
2187812
3170644
4157952
4157968
Description
Quantity
Bushing - Front Auger Support
2
Cap - Rosette - Teardrop
3
Clip - Drip Tray
2
Cover - Hopper
2
Auger Flight
6 (E131) 8 (F131)
Grid - Drip Tray (Metal)
1
Knob - Front Door (Black)
4
O-Ring - Outside Spigot - Black (5 Pack)
4
O-Ring - Top & Bottom Center Spigot - Black (5 Pack)
2
O-Ring - Middle Center Spigot - Black (5 Pack)
1
O-Ring - Mix Inlet - Black (5 Pack) (Spigot Extension - Ser. #5687 Plus) 4
O-Ring - Rear Seal - Black (5 Pack)
2
O-Ring - Front Door - Red
2
Seal - Rear Auger - Black
2
Spring - Auger Flight
6 (E131) 8 (F131)
Tray - Drip
1
Tray - Drain (Black Plastic)
1
O-Ring & Bushing Kit
O-Ring & Spigot Extension Kit
Mix Inlet Assembly - 3/16" Hole - Standard Length (2A)
2
Extension - Spigot - 1.5"
Extension - Spigot - 2.5"
Extension - Spigot - 3.2"
Door w/Pins (Requires #1177429)
1
Spigot Body - Center
1
Spigot Body - Outer
2
Support - Front Auger
2
Auger Shaft
2 (E131)
Auger Shaft
2 (F131)
25
WARRANTY
SOFT SERVE / SHAKE FREEZERS
1. Scope:
Stoelting, LLC warrants to the first user (the “Buyer”) that the freezer cylinders, hoppers, compressors, drive
motors, speed reducers, augers and auger flights of Stoelting soft serve / shake freezers will be free from defects
in materials and workmanship under normal use and proper maintenance appearing within five (5) years, and that
all other components of such equipment manufactured by Stoelting will be free from defects in material and
workmanship under normal use and proper maintenance appearing within twelve (12) months after the date that
such equipment is originally installed.
2. Disclaimer of Other Warranties:
THIS WARRANTY IS EXCLUSIVE; AND STOELTING HEREBY DISCLAIMS ANY
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR
PURPOSE.
3. Remedies:
Stoelting’s sole obligations, and Buyer’s sole remedies, for any breach of this warranty shall be the repair or (at
Stoelting’s option) replacement of the affected component at Stoelting’s plant in Kiel, Wisconsin, or (again, at
Stoelting’s option) refund of the purchase price of the affected equipment, and, during the first twelve (12)
months of the warranty period, deinstallation/reinstallation of the affected component from/into the equipment.
Those 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 packaging/crating, also within
that period. Buyer shall bear the cost and risk of shipping to and from Stoelting’s plant or designated service
location.
4. Exclusions and Limitations:
This warranty does not extend to parts, sometimes called “wear parts”, which are generally expected to
deteriorate and to require replacement as equipment is used, including as examples but not intended to be limited
to o-rings, auger seals, auger support bushings and drive belts. All such parts are sold
AS IS.
Further, 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, use with parts or equipment not
manufactured or supplied by Stoelting, or damage in transit.
THE REMEDIES SET FORTH IN THIS WARRANTY SHALL BE THE SOLE LIABILITY
STOELTING AND THE EXCLUSIVE REMEDY OF BUYER WITH RESPECT TO
EQUIPMENT SUPPLIED BY STOELTING; AND IN NO EVENT SHALL STOELTING BE
LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, WHETHER FOR
BREACH OF WARRANTY OR OTHER CONTRACT BREACH, NEGLIGENCE OR
OTHER TORT, OR ON ANY STRICT LIABILITY THEORY.
January 30, 2003
721-013, Rev. 0
File: Policy Manual/Warranty softserve1