This manual provides basic information about the freezer. 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 freezer 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 freezer 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 freezer, contact the company
at the following location:
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. There are hazards associated
with the operation of this machine. 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 S toelting
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 .
The Stoelting F167 is a countertop frozen carbonated
beverage freezer. The freezer is equipped with fully automatic controls to provide a uniform product. The F167 is
designed to operate with Bag-In-Box (BIB) drink syrups.
This manual is designed to assist qualified service personnel and operators in the installation, operation and maintenance of the Stoelting F167 freezer.
1.2 OPERATING CONTROLS AND INDICATORS
Before operating the freezer, it is required that the operator
know the function of each operating control. Refer to
Figure 1-2 for the location of the operating controls on the
freezer. For the information regarding error codes displayed on the control, refer to the troubleshooting section
of this manual.
A. ON/OFF BUTTONS
The Left, Center and Right On/Off buttons provide power
to their respective cylinders.
B. PRIME BUTTONS
The Prime buttons fill the cylinders to the proper level. Only
use the Prime button on the initial freezing cycle
C. HELP MENU BUTTON
The Help Menu button provides information on functions
of the freezer.
D. CLEAN BUTTON
The Clean button initiates the cleaning cycle. After pressing the Clean button, follow the steps on screen.
E. SEL BUTTON
The SEL button is used to select menu items. The button
is also used to exit edit mode without making any changes.
Figure 1-1 Model F167 Freezer
F. SET BUTTON
The SET button is used to enter the edit mode and to save
any changes made in edit mode.
G. ARROW BUTTONS (×ÖØÕ)
The arrows are used to navigate through the screens and
to modify settings in the edit mode.
Do not attempt to operate the freezer 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 freezer. 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 freezer. 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:
STOELTING
A TTENTION: Customer Service
502 Hwy . 67
Kiel, Wisconsin 53042
2.2 SHIPMENT AND TRANSIT
The freezer has been assembled, operated and inspected
at the factory.
On arrival at the final destination, the entire freezer must
be checked for any damage which may have occurred
during transit.
With the method of packaging used, the freezer 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 freezer 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 a claim for damages and/or shortages in shipment with the carrier. Stoelting cannot make
any claims against the carrier.
2.3 BAG IN BOX PUMP & CONNECTION KIT
A Bag In Box Pump & Connection kit is available (Fig 2-1).
The kit includes the BIB rack, three beverage pumps, the
CO2 regulator and all hoses and fittings needed to connect
the kit to the freezer.
Figure 2-1 Optional Bag In Box Pump & Connection Kit
2.4 FREEZER 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.
Before installing the freezer, make sure you have the
following tools:
• Refractometer
• Stopwatch
• Graduated Cup
• 5/32” Hex Wrench
• 5/16” Nut Driver
Installation of the freezer involves moving the freezer
close to its permanent location, removing all crating,
setting in place, making connections, assembling parts,
and cleaning.
A.Uncrate the freezer.
B.Accurate leveling is necessary to ensure proper
operation. Place a bubble level on top of the
freezer at each corner to check for level condition.
If adjustment is necessary, level the freezer by
turning the bottom part of each leg in or out.
C.Freezers require a minimum of 5" (12,7 cm)
clearance on the sides and an open top for proper
air circulation.
2.5 CONNECTING SYRUP, WATER AND CO
The connections for syrup, water and CO2 are located at
the back of the freezer (Fig. 2-2). The fittings are 1/4” flare
nuts.
2
A. BAG-IN-BOX (BIB) SYRUP SUPPLY
A BIB syrup supply is required for each freezing cylinder.
The syrup supply must have a pressure of 68-72 psi.
1.Run 1/4” braided tubing from each BIB to the rear
of the freezer.
2.Connect the syrup lines to the 1/4” flare nuts at the
rear of the freezer.
3.Do not turn on the syrup supply yet.
B. WATER SUPPLY
The freezer requires a filtered fresh water supply with a
pressure between 30-110 psi.
NOTE
Water pipe connections and fixtures directly connected to a potable water supply shall be sized, installed and maintained in accordance with federal,
state, and local health codes.
NOTE
A backflow prevention device that conforms to ASSE
1032 or ANSI/ASSE 1022 must be installed upstream of the CO2 injection system.
1.Use 3/8” braided tubing for the water supply.
2.Install a shutoff valve in the water supply line near
the freezer connection.
3.Flush out 2 gallons of water before connecting the
water supply to the freezer. Depending on the age
of the plumbing, there may be sediments that
have loosened from working with the piping.
Flushing water out will prevent that sediment from
entering the freezer and causing an obstruction in
the water line.
3.Connect the water line to the 1/4” flare nut at the
rear of the freezer.
4.Do not turn on the water supply yet.
C. CO2 SUPPLY
Water
CO2
Syrup
Figure 2-2 Connections
WARNING
CO2 Displaces Oxygen
At high concentrations, carbon dioxide can displace
enough oxygen to suffocate. If a CO2 gas leak is
suspected, immediately ventilate the area before
attempting to repair the leak.
The CO2 supply must have a pressure between 70-75 psi
1.Use 1/4” braided tubing for the CO2 supply.
2.Connect the CO2 line to the 1/4” flare nut at the
rear of the freezer.
3.Do not turn on the CO2 supply yet.
6
2.6 INITIAL CLEANING
The control will guide the user through the process.
Following are detailed instructions of the steps involved.
A.Open the header door. On the touchpad press the
right arrow (Ö) button then the up arrow (×)
button, then the SEL button. Navigate to the Start
Up option on the Main Menu and press the SEL
button to continue.
B.Press the up arrow (×) button to select the cylinders
to start up. Press the left and right arrow (ÕÖ)
buttons to navigate through the cylinders. After
the cylinders have been selected, press the SEL
button to start.
C.Disassemble the front door and the auger.
1. Remove the knobs on the front door.
2. Remove the front door by pulling it off the studs.
3. Remove the pressure relief valve from the front
door by unscrewing it. Disassemble the pressure
relief valve.
4. Pull the auger out of the freezer and remove the
two blades and the front bushing.
D.Clean the front door parts and auger parts. And
clean the freezing cylinder. Lubricate the front
door o-ring and the front auger bushing with
Petrol-Gel sanitary lubricant or equivalent.
E.After all the parts have been cleaned, assemble
and install them onto the freezer. Press the right
arrow (Ö) button when done.
F.Prepare Stera-Sheen Green Label Sanitizer or
equivalent according to manufacturer’s
instructions to provide a 100 ppm strength solution.
Mix the sanitizer in quantities of no less than 2
gallons of 90° to 110°F (32° to 43°C) water. Any
sanitizer must be used only in accordance with
the manufacturer’s instructions.
G.Cut the adapter from an empty bag of syrup.
Connect the adapter to the BIB connector of the
syrup line. Put the BIB connector into the bucket
of sanitizer. Press the right arrow (Ö) button when
done.
H.Pull the pressure relief valve on the front door to
allow the sanitizer to fill the cylinder. Press the
right arrow (Ö) button when done.
I.After the cylinder is filled with sanitizer, the auger
will automatically rotate for 5 minutes. Connect
the BIB connector to the syrup while the timer
expires. Press the right arrow (Ö) button when
done.
J.When the sanitizing cycle is done, open the spigot
to drain the sanitizer from the cylinder. Press the
right arrow (Ö) button when done.
2.7 BRIXING
A.Remove the front panel and open the header
door.
B.Turn the three-way mix valve fully clockwise so
that the valve knob is pointing downwards. This
directs the mix to the sample tube. (Fig. 2-3)
Three-Way
Mix Valve
Figure 2-3 Valve
C.Turn on the external water supply and make sure
there are no leaks in the connections.
D.Turn on the CO
the CO2 manifold. The manifold is located behind
the front panel. The valve furthest left is the CO
pressure for the water. The three valves on the
right are for the three cylinders (Fig 2-4). To adjust
the CO2 pressure, move the yellow ring up and
turn the knob. After adjustments are done, move
the yellow ring down to lock the adjustment knob.
Determine the overrun that the customer wants.
Set the cylinder pressure to the Cylinder CO
Pressure value listed on the chart below.
NOTE
The Mix Fill Off and Mix Fill On settings are on the
control and will be adjusted in Section 2.6.
NOTE
There is an accumulator pressure regulator separate from the manifold which is factory set at 35 psi.
Do not change the settings on this regulator.
E.Turn on the syrup supply and make sure there are
no leaks in the connections.
F.After the syrup connections are checked, turn the
positive shut-off valve counterclockwise (Fig. 2-
5).
G.Close the water flow adjustment valve by turning
the 5/32” hex screw fully counterclockwise. The
water flow adjustment screw is located on the
right side of the mix solenoid (Fig. 2-5).
H.Turn the water flow adjustment screw clockwise
3 full turns. This will be close to the final setting.
Sample
Syrup Flow
Tube
Adjustment
2
Positive
Shut-Off
Water Flow
Adjustment
Valve
Figure 2-5 Flow Rate Valves
I.Place the sample tube in a graduated cup.
J.Use a stopwatch to time the flow rate of the water.
Press the Prime button for the cylinder that is
being tested to start the water flow. Press the
Prime button again to stop the water flow. The fill
rate must be 15 oz in 10 seconds.
Product Overrun by Cylinder Pressure
8
NOTE
When the Prime button is pressed, the syrup, water and CO2 solenoids open. The CO2 pressure will
increase in the cylinder. If the pressure in the cylinder gets too high, the water and syrup solenoids
will not open. If this happens, pull the pressure relief valve on the front door to relieve the CO2 pressure.
K.Adjust the water flow so that the rate is 15 oz ±2
in 10 seconds. Turn the water flow adjustment
screw clockwise to increase the flow and
counterclockwise to decrease the flow.
L.Repeat steps I-K until the water flow rate is
correct.
M.Turn on the syrup supply by turning the positive
shut-off valve clockwise until the lever arm is
vertical.
N.Close the syrup flow adjustment valve by turning
the 5/32” hex screw fully counterclockwise. The
syrup flow adjustment screw is located on the left
side of the mix solenoid.
O.Turn the syrup adjustment screw clockwise 1 full
turn. This will be close to the final setting.
P.Place the sample tube into a graduated cup.
Q.Press the Prime button to fill the cup. Press the
Prime button again to stop the flow.
R.Dispose of the first 2-3 cups of mix.
S.Fill the cup again and use a refractometer to take
brix readings of the mix (Fig 2-6).
NOTE
A refractometer is required to get an accurate measurement of the brix. T o use a refractometer , place
a drop of the mix on the window and read the brix
level through the eyepiece (Fig 2-7).
T.Adjust the syrup flow so that the brix is at the
manufacturer’s recommendation. Turn the syrup
flow rate valve clockwise to increase the brix and
counterclockwise to decrease the brix.
U.Turn the three-way mix valve so that the valve
knob is pointing to the side.
Figure 2-7 Refractometer Reading
V.Air in the cylinder must be removed and replaced
by CO2. Press the Prime button to purge the air out
of the cylinder.
W.Pull the pressure relief valve on the front door.
Keep the relief valve open until the pressure in the
cylinder has been released. Repeat this procedure
two more times to ensure that the air has been
purged.
X.Press the Prime button to stop the CO2 flow.
Y.Turn the three-way mix valve upwards. This directs
the mix to the freezing cylinder.
Z.Install the front panel and drip tray.
2.8 ADJUST CONTROL SETTINGS
Adjust the Mix Fill On and Mix Fill Off settings on the control
board using the chart in Section 2.7.
A.Access the menus by following the key sequence
below.
1. Press the right arrow (Ö) button
2. Press the up arrow (×) button
4. Press the SEL button
NOTE
Each button should be pressed only once and then
released.
Figure 2-6 Refractometer
B.Use the arrow buttons to navigate to the Modify
Operating Settings menu. Press the SEL button
to select this menu.
C.Navigate to the Basic Settings menu. Press the
SEL button to select this menu.
D.Use the arrow buttons to navigate to the Mix Fill
On setting.
9
E.Press the SEL button to change the Mix Fill On
setting. Refer to the Product Overrun by Cylinder
Pressure table for the correct setting.
F.To change the setting, press the left and right
arrows to move the cursor to the digit that needs
to be changed. Press the up or down arrow to
change the digit.
G.When the Mix Fill On setting matches the value in
the table, press the SET button to save the
change.
H.Change the Mix Fill Off setting following steps E-
G above.
2.9 START UP
A.Press the Prime button to fill the cylinder. Pull the
pressure relief valve on the front door to allow mix
to fill the cylinder. Press the Prime button when
mix has filled the cylinder.
B.Press the On/Off button to rotate the auger. The
CO2 in the barrel will start to dissolve into the mix.
After 30 seconds, press the On/Off button to stop
the auger.
C.Press the Prime button again. The solenoids may
open to “top off” any dissolved CO2.
D.After 30 seconds, press the On/Off button to start
making product. When the light on the front of the
freezer turns off, product is ready to be served.
10
SECTION 3
CLEANING
3.1 OPERATOR’S SAFETY PRECAUTIONS
SAFE OPERATION IS NO ACCIDENT; observe these
rules:
A.Know the freezer. Read and understand the
Operating Instructions.
B.Notice all warning labels on the freezer.
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 freezer
until the main electrical power has been
disconnected.
G.Do not operate under unsafe operating conditions.
Never operate the freezer if unusual or excessive
noise or vibration occurs.
3.2 CLEANING
The control will guide the user through the cleaning
process. Following are detailed instructions of the process.
A.Open the header door and press the Clean button.
B.Press the up arrow (×) button to select the cylinders
to clean. Press the left and right arrow (ÕÖ)
buttons to navigate through the cylinders. After
the cylinders have been selected, press the SEL
button to start.
C.Open the spigot to drain product from the cylinder.
Press the right arrow (Ö) button when done.
D.Using an empty bag of syrup, cut the adapter from
the bag. Connect it to the BIB connector of the
syrup line. Put the BIB connector into a bucket of
clean water. This will drain the syrup lines. Press
the right arrow (Ö) button when done.
E.Pull the relief valve on the front door to allow water
to fill the cylinder. Press the right arrow (Ö) button
when done.
F.After the cylinder is filled with water, the auger will
automatically rotate for 1 minute.
G.After the timer expires, open the spigot to drain
the water out of the cylinder. Press the right arrow
(Ö) button when done.
H.Prepare Stera-Sheen Green Label Sanitizer or
equivalent according to manufacturer’s
instructions to provide a 100 ppm strength solution.
Mix the sanitizer in quantities of no less than 2
gallons of 90° to 110°F (32° to 43°C) water. Any
sanitizer must be used only in accordance with
the manufacturer’s instructions. Place the syrup
BIB connector into a bucket of sanitizer. Press the
right arrow (Ö) button when done.
Help
Menu
Clean
On/Off
Cylinders
Prime
Cylinders
SEL
Figure 3-1 FCB Control
11
SET
Arrow
Buttons
I.Pull the pressure relief valve on the front door to
allow the sanitizer to fill the cylinder. Press the
right arrow (Ö) button when done.
NOTE
The sanitizer enters through the syrup line and may
take a few minutes to fill the cylinder.
J.After the cylinder is filled with sanitizer, the auger
will automatically rotate for 5 minutes. Press the
right arrow (Ö) button when the timer expires.
K.When the sanitizing cycle is done, drain the
sanitizer from the cylinder. Press the right arrow
(Ö) button when done.
L.Disassemble the front door and the auger.
1. Remove the knobs on the front door.
2. Remove the front door by pulling it off the studs.
3. Remove the pressure relief valve from the front
door by unscrewing it. Disassemble the pressure
relief valve.
4. Pull the auger out of the freezer and remove the
two blades and the front bushing.
M.Clean the front door parts and auger parts. And
clean the freezing cylinder. Lubricate the front
door o-ring and the front auger bushing with
Petrol-Gel sanitary lubricant or equivalent.
N.After the all the parts have been cleaned, assemble
and install them onto the freezer. Press the right
arrow (Ö) button when done.
O.Prepare Stera-Sheen Green Label Sanitizer or
equivalent according to manufacturer’s
instructions to provide a 100 ppm strength solution.
Mix the sanitizer in quantities of no less than 2
gallons of 90° to 110°F (32° to 43°C) water. Any
sanitizer must be used only in accordance with
the manufacturer’s instructions. Place the syrup
BIB connector into a bucket of sanitizer. Press the
right arrow (Ö) button when done.
P.Pull the pressure relief valve on the front door to
allow the sanitizer to fill the cylinder. Press the
right arrow (Ö) button when done.
Q.After the cylinder is filled with sanitizer, the auger
will automatically rotate for 5 minutes. Connect
the BIB connector to the syrup while the timer
expires. Press the right arrow (Ö) button when the
timer expires.
R.When the sanitizing cycle is done, drain the
sanitizer from the cylinder. Press the right arrow
(Ö) button when done.
S.Air in the cylinder must be removed and replaced
by CO2. Purge the air out of the cylinder by pulling
the relief valve. Keep the relief valve open until the
pressure in the cylinder has been released. Repeat
this procedure two more times to ensure that air
has been purged.
NOTE
After the cylinder has been purged with air , the display will go to the main menu.
T.Press the Prime button to fill the cylinder. Pull the
pressure relief valve on the front door to allow mix
to fill the cylinder. Press the Prime button when
mix has filled the cylinder.
U.Press the On/Off button to rotate the auger. The
in the barrel will start to dissolve into the mix.
CO
2
After 30 seconds, press the On/Off button to stop
the auger.
V.Press the Prime button again. The solenoids may
open to “top off” any dissolved CO2.
W.After 30 seconds, press the On/Off button to start
making product. When the light on the front of the
freezer turns off, product is ready to be served.
12
SECTION 4
MAINTENANCE AND ADJUSTMENTS
4.1FREEZER ADJUSTMENT
This section is intended to provide maintenance personnel with a general understanding of the freezer adjustments. It is recommended that any adjustments in this
section be made by a qualified person.
Readings and adjustments to the freezer are done through
the touchpad located behind the header panel. During
normal operation, the display on the touchpad will show
the current status of each cylinder. The display also shows
the date and firmware version.
4.2PERFORMANCE READINGS
The performance readings show current freezer status.
The readings are accessed from the Main Menu. Press
the SEL button from the Current Status screen to access
the Main Menu. Use the arrow buttons to navigate to the
Performance screen and press the SEL button. Press the
left and right arrows to navigate to the desired cylinder
readings. Press the up and down arrows to navigate to the
desired screen.
Following is a list and description of every performance
reading.
PERFORMANCE READINGS (SCREEN 1 OF 2)
Consistency
Consistency value in the cylinder
Ambient Temp
Room temperature
Cylinder Pressure
Pressure in the cylinder
Motor Amps
Amp draw of the motor
Input Voltage
Voltage entering the freezer
Version
Version of the control firmware
PERFORMANCE READINGS (SCREEN 2 OF 2)
Syrup Functional
Status of the syrup
Water Functional
Status of the water
CO
Functional
2
Status of the CO
Last Sleep Def
Details of the last Sleep Defrost
Last Power Def
Details of the last Power Defrost
2
4.3MODIFY OPERATING SETTINGS
Freezer operation can be adjusted through the options in
the Modify Operating Settings menu. There are five Settings menus available: Basic Settings, Error Control Settings, Defrost Settings, User Preferences, and Time and
Date.
To change any of the settings follow the instructions
below:
NOTE
Before making changes to any settings, record the
original values. If the setting changes do not achieve
the desired results, revert the settings to their original values.
A.From the Current Status screen, press the right
arrow (Ö) button, then press the up arrow (×)
button, then the SEL button.
B.Use the arrow buttons to navigate to the Modify
Settings menu. Press the SEL button to select this
menu.
Figure 4-1 T ouchpad
13
C.The first option on the screen is to select the
cylinder. Press the SEL button to enter the edit
mode in order to change the cylinder. Press the up
down arrow (ר) buttons to scroll through the
cylinders and press the SET button to choose the
cylinder.
D.Navigate to the desired menu and press the SEL
button.
E.Use the arrow buttons to navigate to the setting
and press the SEL button to enter the edit mode.
F.To change the setting, press the left and right
arrow (ÕÖ) buttons to move the cursor to the digit
that needs to be changed. Press the up or down
arrow (ר) button to change the digit.
G.Press the SET button to save the change. Press
the SEL button to exit the edit mode without
saving the change.
4.4OPERATING SETTINGS MENUS
Following are details of the settings that can be changed.
A.BASIC SETTINGS
Consistency CutIn
When product in the cylinder reaches this value,
the freezing cycle will start.
Consistency CutOut
When product in the cylinder reaches this value,
the freezing cycle will stop.
Mix Fill On
When the pressure in the cylinder equals this
value, the mix solenoids will open.
Mix Fill Off
When the pressure in the cylinder equals this
value, the mix solenoids will close.
Serve Ready LED
The LED will turn off when this percentage of
consistency has been met.
Offset
Offset is a percentage of consistency in the
cylinder. If a freezing cycle is running on another
cylinder, Offset determines if the cycle will run for
this freezing cylinder.
Max On
Max On is the maximum time that a freezing cycle
will run. An error will be logged if this time is
exceeded. The compressor will still operate.
Standby
If the Prime button is pressed and the On button
is not pressed, this is the amount of time that the
control will wait until going into standby mode.
Carbonization
Turn carbonization off to make non-carbonated
frozen beverages.
B.ERROR CONTROL SETTINGS
The error control settings determine the length of a freezing cycle if there is an error condition.
Default Frz On
This setting determines the length of a freezing
cycle when product is being kept in a frozen state.
Default Frz Off
This setting determines the length between
freezing cycles when product is being kept in a
frozen state
Default Liq On
This setting determines the length of a freezing
cycle when product is being kept in a liquid state.
Default Liq Off
This setting determines the length between
freezing cycles when product is being kept in a
liquid state.
C.DEFROST SETTINGS
The freezer has two types of defrost: Sleep Defrost and
Power Defrost. Following are the available adjustments to
the defrost settings.
Sleep Defrost
An energy-savings defrost type where the
compressor does not run. The Sleep Defrost can
be set to run during Idle periods or at specific
Times. The freezer will remain in the Sleep Defrost
mode until the On button is pressed.
Power Defrost
This is a rapid defrost type in which the refrigerant
flow bypasses the condenser. This rapidly thaws
the mix in the cylinder. The Power Defrost can be
set to run during Idle periods or at specific Times.
NOTE
After a power defrost, allow the freezer to operate a
while without serving product.
Idle
This is the amount of time that elapses before the
defrost starts.
Time
This setting is the hour and minute of the day that
the defrost starts. Up to three different times can
be set.
D.USER PREFERENCES
Language
The language can be set to English or Spanish.
Units of Measure
The freezer can be configured to display
Fahrenheit (ºF) or Celsius (ºC).
14
E.TIME AND DATE
The freezer has an internal clock that keeps track of the
time and date. The clock can be set for 12-hour or 24-hour
time and can automatically adjust for daylight savings.
4.5UTILITIES
The utilities section contains the following options.
Testing and Manual Operation
Individual components can be energized to assist
with troubleshooting. Enabling all solenoids allows
for easy evacuation.
Zero Pressure Transducer
Select this option to calibrate the transducer.
NOTE
Be sure there is not any pressure in the system
when calibrating the transducer.
Last Cycle Details
The screen shows details on voltage and
amperage of the last cycle.
4.7CONDENSER CLEANING
The condenser requires periodic cleaning. To clean the
condenser, refer to the following steps:
A.Remove a side panel and pull the condenser filter
out of its bracket.
B.Visually inspect the condenser filter for dirt.
B.If the condenser filter is dirty, vacuum or brush it
clean. Rinse it with clean water and allow it to dry
before replacing it on the freezer.
NOTE
If the condenser is not kept clean, refrigeration efficiency will be lost.
On Demand Defrost
This option will run a power defrost on the selected
cylinder.
Restore Factory Defaults
All changes made to settings will be replaced by
the original factory defaults.
4.6ERRORS AND STATISTICS
A.ERROR HISTORY
The control records the status of the freezer at the time an
error occurs. Details of the last 25 errors are stored. The
most recent error is always listed as error #1.
Press the left and right arrow buttons to move through the
error history. To view the status of the freezer at the time
of an error, use the up and down arrow buttons to navigate
to the Status at Time of Error option and press the SEL
button. Navigate to the Help option and press the SEL
button to access the recommended solutions for the error.
B.FREEZER STATISTICS
The control continuously monitors and records temperatures, voltages, amps and freezer status. Following are
the readings available in the Freezer Statistics:
On Time
This is the total time the freezer has been in
service.
Ambient Temp
Room temperature
Last Error
The last error is shown along with the date, time
and duration of the error.
Last Syrup Out Error, Last Water Out Error, Last CO
Out Error
The date and time of the last error and when the
error was correct is shown. These screens also
show the duration of the error.
4.8PREVENTATIVE MAINTENANCE
It is recommended that a preventative maintenance schedule be followed to keep the freezer clean and operating
properly. The following steps are suggested as a preventative maintenance guide.
A.Daily checks
Check for any unusual noise or condition and
repair immediately.
C.Annual checks
Disassemble the freezer and inspect the following
parts for wear: front auger bushing, rear seal,
spigot o-rings, front door o-ring. After cleaning
and inspecting the parts, lubricate the front door
o-ring, spigot o-ring and rear seal with Petrol-Gel
or equivalent.
4.9EXTENDED STORAGE
Refer to the following steps for winterizing the freezer or for
storing the freezer over any long period.
A.Clean all of the parts that come in contact with mix
thoroughly with warm detergent . Rinse in clear
water and dry all parts. Do not sanitize.
NOTE
Do not let cleaning solution stand in the freezer barrel during the shutdown period.
B.Remove, disassemble, and clean the front door
and auger shaft. Leave the parts disassembled
during the shutdown period.
C.Disconnect the freezer from the source of the
electrical supply in the building.
D.Drain out the water and syrup lines.
2
15
16
SECTION 5
TROUBLESHOOTING
5.1 ERRORS
When the freezer experiences a problem, one of the
following errors will be displayed on the control panel.
ErrorsAffects
Syrup OutOne or more cylinders
CO2 OutEntire freezer
H2O OutEntire freezer
Drive MotorOne or more cylinders
Run TimeOne or more cylinders
Refrig PressureEntire freezer
Cylinder PressureOne or more cylinders
Fill MaxOne or more cylinders
To return the freezer to normal operation, any error causing condition must be corrected. Follow the steps on the
display screen to correct the error.
5.2 TROUBLESHOOTING - ERROR CODES
Syrup Out
The syrup pressure switch does not sense proper syrup
pressure.
Make sure the syrup container is not empty.
Make sure there are no crimps or restrictions in
the syrup lines
Tech: Test the syrup pressure switch
CO2 Out
The CO2 pressure switch does not sense proper CO
pressure.
Make sure the CO2 supply is not empty
Make sure there are no crimps or restrictions in
the CO2 lines
Tech: Test the CO2 pressure switch
H-O Out
The water pressure switch does not sense proper water
pressure.
Make sure the water lines are connected and that
the water supply is available
Make sure there are no crimps or restrictions in
the water supply lines
Tech: Test the water regulator
Tech: Test the water pump
Tech: Check the regulator manifold. The CO
should be set at 70-72 psi.
Drive Motor
The control board does not sense the drive motor. The
control board may have also sensed high amperage
before shutting down.
Turn the cylinder off and on again
Tech: Use the wiring diagram and check
connections at the motor and at the control board
Tech: Check the circuit breaker.
Run Time
The compressor runs continuously without the product
coming to consistency.
Make sure the condenser filter is clean
Make sure there are no restrictions to the airflow
of the freezer.
Tech: Test the discharge bypass valve and defrost
solenoid
Tech: Test the liquid line solenoids
Refrig Pressure
The refrigeration pressure is too high.
Turn the cylinder off, wait until high pressure
cutout switch resets and turn the cylinder on
again.
Make sure the condenser filter is clean
Make sure there are no restrictions to the airflow
of the freezer.
Cylinder Pressure
2
The pressure in the cylinder is too high
Dispense a cup of product to see if the error clears
Tech: Test the expansion chamber
Tech: Test the transducer
Tech: Make sure the Mix Fill On and Mix Fill Off
settings are within range of the transducer
Fill Max
The pressure in the cylinder does not increase during the
fill cycle.
Turn the cylinder off and on again
Check around the freezer for leaks
Tech: Test the syrup, water and CO
solenoids
2
Tech: Check all for the internal tubing for crimps
or restrictions
2
17
5.3 TROUBLESHOOTING - FREEZER
PROBLEM
Drin k too wet or
liquid
Drink t oo ligh t
Drink con ti nu es to
expa nd after
dispensed i nto cup
Product does not
dispense from
spigot
Cylinder will not
fill
Spigot or front
door le aks
Leak from the rear
of the cylinder
REMEDYPOSSIBLE CAUSE
1.
CO
pressure is not set correctly.
2
2.
CO
level in the cylinder is too low.
2
1.
Set the CO2 pressure c orrect l y (S ec tion 2.6).
2. Di s p ense about 6 4 oz of produc t or run a power
defrost.
3. W at er flow and brix not s et properly.3. Follow t he ins truct ions to properly s et the brix
(Section 2.6).
4.
solenoid s t uck clos ed at the
CO
2
press ure manifold.
4. Manually energize t he s olenoid t hrough the
control an d c h eck for voltage at the s olenoid .
5. Consistenc y Cut In set t i ng t oo low.5. Adjust the Consis t enc y CutIn on the cont rol.
1.
CO
pressure is not set correctly.
2
2.
CO
level in the cylinder is too high.
2
1.
Set the CO2 pressure c orrect l y (S ec tion 2.6).
2. Di s p ense about 6 4 oz of produc t or run a power
defrost.
3. W at er flow and brix not s et properly.3. Follow t he ins truct ions to properly s et the brix
(Section 2.6).
4.
sol eno i d st uck open at t he
CO
2
press ure manifold.
5. M i x Fi l l O n an d M i x F i l l O ff sett in gs
not s et properly.
4. Manually energize t he s olenoid t hrough the
control an d c h eck for voltage at the s olenoid .
5. Follow t he ins truct ions to properly s et the
cont rol (Section 2. 7).
1. Consistenc y Cut In set t i ng t oo high.1. Adjus t t he Consi s t ency CutIn on the c ont rol.
2. W at er flow and brix not s et properly.2. Follow t he ins truct ions to properly s et the brix
(Section 2.6).
3.
sol eno i d st uck open at t he
CO
2
press ure manifold.
3. Manually energize t he s olenoid t hrough the
control an d c h eck for voltage at the s olenoid .
1. S pi g ot i s c l ogge d wi t h i ce.1. Run a power defros t c yc l e to t haw t he spi got.
2. M i x Fi l l O n an d M i x F i l l O ff sett in gs
not s et properly.
3.
pressure is not set correctly.
CO
2
2. Follow t he ins truct ions to properly s et the
cont rol (Section 2. 7).
3.
Set the CO2 pressure c orrect l y (S ec tion 2.6).
4. Control has s ens ed an error.4. Check if there is an error on the display of the
control.
5. Consistenc y Cut In set t i ng t oo high.5. Adjus t t he Consi s t ency CutIn on the c ont rol.
1. Control has s ens ed an error.1. Check if there is an error on the display of the
control.
2. M i x Fi l l O n an d M i x F i l l O ff sett in gs
not s et properly.
3.
pressure in t he cy l inder is to o
CO
2
high.
2. Follow t he ins truct ions to properly s et the
cont rol (Section 2. 7).
3.
Check the CO2 manifold setting. Open the
pressure rel i ef valve on the front do or t o rel i e ve
the pressure in the cyl i nder.
4. M i x s ol enoi d valve will not open.4. M anua l l y en ergi ze t he sole noi d through t h e
control an d c h eck for voltage at the s olenoid .
5. Control board is not acti vating a mix
solenoid.
5 Check voltage on control board for proper
output.
1. Spigot nut i s loos e.1. Tighten the spi got nut .
2. Spigot part s not lubric ated.2. Lubricat e t he s pigot part s wit h P et rol-Gel or
equivalent.
3. Worn or brok e n o-ri ngs.3. Replac e the o-rin gs.
4. O-ri ngs inst al l ed wrong.4 . Remove the spi got and chec k t he o-ri ngs for
proper insta l la t ion.
5. Crac ked or broken front door.5. Replac e the front door.
1. Rear seal i s mi ss i ng or i nst al l ed
1. Replace or ins t all t he rear seal correctl y .
wrong.
2. Rear seal nut has be en l oosened.2. Tighten t he rear seal nut.
18
5.3 TROUBLESHOOTING - FREEZER (CONTINUED)
PROBLEM
Disp lay screen
blank
One or m or e
keypads are not
Merchandising
light out
Fan m otor not
running
Drive motor "kicks
out" or does not
run
Compresso r runs
but does not free ze
product
Compressor does
not operate
High head/ suction
pressure
P O SSIB L E C A U SEREM ED Y
1. P ower t o t he freezer is off.1. Check po wer t o the freez er.
2. Control board vol t age.2. Check t he t ransformer primary fus e and
secondary break er.
1. Connect i on of t he key p ad.1. Check the c onne c tion of th e key pad an d reseat
it.
1. Light bulb is bad.1. Replace t he bulb.
2. Fus e is blown.2. Check t he fuse.
1. Fan c apac i tor is bad.1. Check the capac i tor and replace if necessary .
2. Contactor is bad.2. Chec k t he c ont ac t or for the fan.
1. P ower t o t he freezer is off.1. Check po wer t o the freez er.
2. Drive motor fuse tripped.2. Check t he inli ne fuse
3. Drive motor capac itor is bad.3. Test t he c apac it or.
1. Liquid line s ol enoid.1. Test t he li quid line solenoid.
2. Refrigeration pressures.2. Check t he refrigeration press ures.
3. Run t i m e error.3. Check i f the re i s a Run Time error on t h e
dis pl ay of th e cont rol .
1. P ower t o t he freezer is off.1. Check po wer t o the freez er.
2. Drive mot or overloaded.2. Wait 15-20 m i nutes for t he t h erm al overload to
reset.
3. Low line voltage.3. Check t he li ne voltage. It must be ±10% of the
namepl ate voltage.
4. Comp ress or i nternal overload is
tripped.
5. Bad capacitors on the compressor.5. Test the compressor start and run capacitors.
1. Condenser air flow.1.
2. Compress or is not worki ng properly.2. Check t he amp draw on the compres sor.
3. Am bient t emperat ure too high.3. The freezer is des igned for ambient