TAYLOR C602 Service Manual

Model C602

Combination Shake /

Soft Serve Freezer

Service Manual

057888-S

4/6/04

Table of Contents

Section 1: Introduction 1...............................................

Safety 2.............................................................

Refrigerant 2.........................................................

Model C602 Specifications 4...........................................

Installation Instructions 5...............................................

Section 2: Systems, Controls and Operations 7..........................

Running Specifications 8...............................................

Refrigeration System Schematic 9......................................

Control Panel Functions 10..............................................

Freezer Lock-Out 14...................................................

Heat Treatment Cycle 33...............................................

Heat Treatment Graph 34...............................................

Timers 35.............................................................

Glycol System 37......................................................

Glycol Path 39.........................................................

Setting Viscosity 40....................................................

Portion Control (Shake) 41..............................................

Adjustable Draw Handle 42.............................................

Control Overview 43....................................................

Universal Control (UVC3) 44............................................

Electrical System Modes of Operation Chart 47............................

Electrical System - L1 Power Path 48.....................................

Shake Draw Sequence Chart 50.........................................

Syrup Delivery 51......................................................

Syrup Calibration 52....................................................

Shake Dispensing Alignment Procedure 54................................

Table of Contents Model C602

Table of Contents - Page 2

Section 3: Troubleshooting 57...........................................

General Troubleshooting Guide 58.......................................

Air Mix Pump System T r oubleshooting 63.................................

Peristaltic Syrup System Troubleshooting Guide 64........................

Shake Dispensing Mechanism Troubleshooting 67.........................

Shake Portion Control Troubleshooting 69................................

Bacteria T r oubleshooting 70.............................................

Section 4: Parts 73......................................................

Warranty Explanation 74................................................

Main Exploded View 76.................................................

Syrup Cabinet View 79.................................................

Mix Pump & Tubes 80..................................................

Pump A. - M ix Simplified Shake - X57028-XX 81...........................

Pump A. - Mix Simplified Soft Serve - X57029-XX 82.......................

Brush Identification 83..................................................

Control Assembly - X55966 -33 84........................................

Dec Plate Assembly - X55963 86........................................

Torque Coupling Assembly - X54722 87..................................

Glycol Heater Assembly - X55965-27 88..................................

Sensor Holder Assembly - X55980 89....................................

Parts List 90...........................................................

Wiring Diagrams 110....................................................

CAUTION: Information in this manual is intended to be used by Taylor Authorized Service Tech n ician s only.

Note: Contin u ing research results in steady improvements; therefore, information in this manual is subject to change without notice.

Model C602 Table of Contents

Section 1: Introduction

S Safety

S Refrigerant

S Specifications

S Installation Instructions

Model C602

Introduction

Safety

______________________________

We at Taylor Company, are committed to manufacturing safe operating and serviceable equipment. The many built-in safety features that are part of all Taylor equipment are aimed at protecting operators and trained service technicians alike.

This manual is intended exclusively for Taylor Company authorized service personnel.

Stationary appliances which are not equipped with a power cord and a plug or other device to disconnect the appliance from the power source must have an all-pole disconnecting device with a contact gap of at least 3 mm installed in the external installation.

Thismachinemustbeplacedonalevel surface. Failure to comply may result in personal injury or equipment damage.

DO NOT installthemachineinanarea where a water jet could be used to clean or rinse the freezer. Failure to follow this instruction may result in serious electrical shock.

DO NOT remove the door, beater, scraper blades, drive shaft or air/mix pump unless all control switches are in the OFF position. Failure to follow this instruction may result in severe personal injury from hazardous moving parts.

Refrigerant

______________________________

Taylor Company uses R404A refrigerant. This refrigerant is generally considered non-toxic and non-flammable; however, any gas under pressure is potentially hazardous.

NEVER fill any refrigerant cylinder completely with liquid. Filling the cylinder to approximately 80% will allow for normal expansion.

Refrigerant liquid sprayed onto the skin may cause serious damage to tissue. Keep eyes and skin protected. If refrigerant burns should occur, flush immediately with cold water. If burns are severe, apply ice packs and contact a physician immediately.

The Taylor Company reminds technicians to be cautious of government laws regarding refrigerant recovery, recycling, and reclaiming systems. If you have any questions regarding these laws, please contact the factory Service Department.

WARNING: R404A refrigerant used in conjunction

with polyolester oils is extremely moisture absorbent. When opening a refrigeration system, the maximum time the system is open must not exceed 15 minutes. Cap all open tubing to prevent humid air or water from being absorbed by the oil.

This machine is designed to operate indoors, under normal ambient temperatures of 70°-75°F (21°-24°C). The machine has successfully performed in high ambient temperatures of 104°F (40°C) at reduced capacities.

NOISE LEVEL: Airborne noise emission does not exceed 78 dB(A) when measured at a distance of

1.0 meter from the surface of the machine and at a height of 1.6 meters from the floor.

Introduction

Model C602

Compressor Warranty Disclaimer ______________________________

The refrigeration compressor(s) on this machine are warranted for the term indicated on the warranty card accompanying this machine. However, due to the Montreal Protocol and the U.S. Clean Air Act Amendments of 1990, many new refrigerants are being tested and developed; thus seeking their way into the service industry. Some of these new refrigerants are being advertised as drop-in replacements for numerous applications. It should be noted that, in the event of ordinary service to this machine’s refrigeration system, only the refrigerant specified on the affixed data label should be used. The unauthorized use of alternate refrigerants will void your compressor warranty. It will be the owners’ responsibility to make this fact known to any technicians they employ.

It should be noted, that Taylor does not warrant the refrigerant used in its equipment. For example, if the refrigerant is lost during the course of ordinary service to this machine, Taylor has no obligation to either supply or provide its replacement either at billable or unbillable terms. Taylor does have the obligation to recommend a suitable replacement if the original refrigerant is banned, obsoleted, or no longer available during the five year warranty of the compressor.

The Taylor Company will continue to monitor the industry and test new alternates as they are being developed. Should a new alternate prove, through our testing, that it would be accepted as a drop-in replacement, then the above disclaimer would become null and void. To find out the current status of an alternate refrigerant as it relates to your compressor, call the local Taylor Distributor or the Taylor Factory. Be prepared to provide the model/serial number of the unit in question.

Model C602

Introduction

Model C602 Specifications

Freezing Cylinders

Shake Side: One, 7 quart (6.6 liter) Soft Serve: One, 3.4 quart (3.2 liter)

Mix Hopper

Two, 20 quart (18.9 liter). Refrigerated to maintain mix below 41°F (5°C).

Beater Motor

Shake: 1.0 HP Soft Serve: 1.5 HP

Refrigeration System

Shake: 11,000 BTU/hr Soft Serve: 9,500 BTU/hr

Refrigerant: R404A (BTU’s may vary depending on compressor used.)

Main Compressor:

Air Cooled Units: Shake: 54 oz (1,531 g) of R404A Soft Serve: 46 oz (1,304 g) of R404A

Water Cooled Units: Shake: 48 oz (1,361 g) of R404A Soft Serve: 32 oz (907 g) of R404A

Note: Specifications are subject to change. Check the data label for proper charging specifications.

Electrical

Standard is 208/230-60-3; however, other electrical characteristics are available. Each unit requires electrical service - Three Phase Maximum Fuse Size: 40 A, Minimum Wire Ampacity: 36 A

Note: McDonald’s specifies Hubbell A460P9 plug for 208-230/60-3 equipment.

Air Cooled

Clearance: A minimum of 3” (76 mm) is required around all sides. Install the deflector provided to prevent recirculation of warm air. Minimum air clearances must be met to assure adequate air flow for optimum performance.

Dimensions

Width: 25-1/4” (641 mm) including cup/cone

dispenser: 32-3/8” (822 mm) Height: 60-7/16” (1535 mm) Depth: 38-7/8” (987 mm) Floor Clearance: 4-3/4” (121 mm)

Approximate Weights

Net: 815 lbs. (369.7 kgs) Crated: 1046 lbs. (474.5 kgs) Volume: 66.5 cu ft (1.88 cu m)

Introduction

Figure 1

Model C602

Installation Instructions

Thismachinemustbeplacedonalevel surface. Failure to comply may result in personal injury or equipment damage.

Beater Rotation

REMEMBER TO DISCONNECT ALL

POWER TO THE FREEZER! Failure to follow this

instruction may result in electrocution.

DO NOT installthemachineinanarea where a water jet could be used to clean or rinse the freezer. Failure to follow this instruction may result in serious electrical shock.

Disconnect Switch

Air Cooled Units

These units require a minimum of 3” (76 mm) of air clearance around all sides. Install the deflector provided to prevent recirculation of warm air. Minimum air clearances must be met to assure adequate air flow for optimum performance.

Gear Alignment and Rear Shell Bearing

1. Make certain the drive shaft can easily slide in and out of the female socket on the gear unit.

2. If a drive shaft is binding, the gear unit could be out of alignment (loose). Check the bolts on the gear unit to be sure they are tight.

3. Inspect the rear shell bearing for tightness. Be sure the locking tab has been folded over to prevent the nut from loosening.

Note: If the gear unit is out of alignment, refer to the General Service Manual.

Beater rotation = CLOCKWISE (when viewed from the front of the machine).

Note: This machine is equipped with an interlock circuit that prevents beater motor operation when the freezer door is not installed.

1. Remove the side panels.

2. Place the power switch in the ON position.

3. Select the WASH key on the control panel. This activates the beater motor only.

CAUTION: Hazardous moving

components! Keep your hands clear when

operating the machine with the panels removed. Failure to follow this instruction may result in severe personal injury from hazardous moving parts.

4. Check the rotation of the drive coupling located on the output shaft of the gear reducer. The coupling should be turning CLOCKWISE as viewed from the front of the machine.

5. Press the WASH key again to stop the beater motor.

If rotation is not correct, exchange any two incoming power lines at the freezer main terminal box only (splice box).

REMEMBER TO DISCONNECT ALL

POWER TO THE FREEZER! Failure to follow this

instruction may result in electrocution.

Model C602

Introduction

Pump Motor Rotation

1. Remove the air/mix pump assembly.

2. Connect power to the freezer and place the power switch in the ON position.

3. Press the PUMP key on the control panel. This will activate the pump motor only.

4. Observe the pump ball crank. It should be rotating counterclockwise.

Electrical Connections

Each freezer requires one power supply. Check the data label on the freezer for fuse, circuit ampacity and electrical specifications. Refer to the wiring diagram, provided inside the control box, for proper power connections.

In the United States, this equipment is intended to be installed in accordance with the National Electrical Code (NEC), ANSI/NFPA 70-1987. The purpose of the NEC code is the practical safeguarding of persons and property from hazards arising from the use of electricity. This code contains provisions considered necessary for safety. Compliance therewith and proper maintenance will result in an installation essentially free from hazard!

If rotation is not correct, refer to the wiring diagram on the pump motor and re-wire accordingly.

REMEMBER TO DISCONNECT ALL

POWER TO THE FREEZER! Failure to follow this

instruction may result in electrocution.

In all other areas of the world, equipment should be installed in accordance with the existing local codes. Please contact your local authorities.

Introduction

Model C602

Section 2:

Systems, Controls and Operations

S Running Specifications

S Refrigeration System Schematic

S Control Panel Functions

S Freezer Lock-Out

S Heat Treatment Cycle

S Heat Treatment Graph

S Timers

S Adjustable Draw Handle

S Beater Stir Cycles

S Glycol System

Model C602

S Glycol Path

S Setting Viscosity

S Portion Control (Shake)

S Control Overview

S Electrical System Modes of Operation Chart

S Electrical System - L1 Power Path

S Shake Draw Sequence Chart

S Syrup Delivery

S Syrup Calibration

S Shake Draw Mechanism Alignment

Systems, Controls and Operations

Running Specifications

Pressures/Temperatures

The following are the Taylor Company recommended settings for various components in the Model C602. (See page 9 for the Refrigeration System Schematic.)

Expansion Valve

Soft Serve

Air Cooled: 20 - 22 psi. (138 - 152 kPa) Water Cooled: 20 - 22 psi. (138 - 152 kPa) for a normal product of 16_ -18_F. (-8.8_to -7.7_C).

Shake

Air Cooled: 38 - 39 psi. (262 - 269 kPa) Water Cooled: 38 - 39 psi. (262 - 269 kPa for a normal product of 24_ -26_F. (-4_C).

Note: Triple Thick Shake product temperature is 22_-24_F. (-5_C).

Low Side (Suction)

Suction pressure equals expansion valve setting.

High Side (Discharge)

High side pressure varies for air cooled units, depending on the ambient temperature.

Ambient Temperature Normal Operating Head

Pressures

F C PSI

70_ 21.1_ 240 - 270

(1,655 - 1,862 kPa)

80_ 26.7_ 270 - 300

(1,862 - 2,069 kPa)

90_ 32.2_ 300 - 340

(2,069 - 2,344 kPa)

100_ 37.8_ 340 - 380

(2,344 - 2,620 kPa)

Water Valve

Expansion Valve Adjustment

Connect your refrigerant gauge to the low side access valve. Turn the access valve counter-clockwise to open the valve.

Adjust the pressure higher or lower by turning the expansion valve adjustment screw. Clockwise turns will raise the pressure and counterclockwise will lower the pressure.

Note: Make expansion valve adjustments with mix in the freezing cylinder and the freezer in the AUTO mode. Be sure to allow adequate time for the pressure to stabilize.

Turn the access valve clockwise to close the valve. Install and securely tighten the access valve caps and the expansion valve cap.

On a water cooled unit, the water valve should be set to maintain a compressor head pressure of 255 psi. (1,758 kPa).

Water Valve Adjustment

Note: Make this adjustment with mix in the cylinder

and the freezer in the AUTO mode. Be sure to allow adequate time for pressure to stabilize.

Connect your refrigerant gauge to the high side access valve. Turn the access valve counterclockwise to open the valve. Turning the adjustment stem on the water valve clockwise will lower the pressure.

Turn the access valve clockwise to close the valve. Install and securely tighten the access valve caps.

Systems, Controls and Operations

Model C602

Refrigeration System Schematic

Model C602

Figure 2

Systems, Controls and Operations

Control Panel Functions

Figure 3

ITEM

1 Keypad-Shake Used for selecting operating functions on the shake side of the machine. 2 Display-Vacuum

3 Keypad-Menu (Entry/Exit) Used to select the Manager or Service Menu or to exit the Menu Display. 4 Keypad-Soft Serve Used for selecting operating functions on the soft serve side of the

5 Standby-Soft Serve Indicates when the soft serve side is in the Standby mode. 6 Standby-Shake Indicates when the shake side is in the Standby mode. 7 Keypad-Topping Heater Used to activate the topping rail heaters. 8 Display-LED Dual (Brush

9 Keypad-Flavor Select Used for selecting the desired shake flavor to be dispensed. Also used

10 Switch-Power When placed in the ON position, allows control panel operation. 11 Keypad-Calibrate Menu Used to access the Calibrate Menu containing options for calibrating the

12 Indicator Light-Mix Low Illuminates when the mix hopper has a low supply of mix and should be

13 Indicator Light-Mix Out Illuminates when the mix hopper has an insufficient supply of mix to

DESCRIPTION FUNCTION

Fluorescent Menu (VFD)

Clean Countdown)

Screen which displays menu options and notifies operator if a fault is detected.

machine.

Displays the number of days before brush cleaning is required.

for opening and closing the draw valve when cleaning, sanitizing, and priming the shake side.

syrup dispensing rate or priming and flushing the syrup lines.

refilled as soon as possible.

operate the freezer. The Auto mode will be locked out and the machine will be placed in the Standby mode.

Systems, Controls and Operations

Model C602

Symbol Definitions

To better communicate in the International arena, the words on many of our operator keys have been replaced by symbols to indicate their functions. Your Taylor equipment is designed with these International symbols.

The following chart identifies the symbol definitions.

=CALIBRATE

= MENU DISPLAY

=AUTO

= HEAT CYCLE

= WASH

=MIXPUMP

= STANDBY (SHAKE)

= STANDBY (SOFT SERVE)

= FLAVOR SELECTION

Power Switch

When placed in the ON position, the power switch allows control panel operation.

Vacuum Fluorescent Display

The vacuum fluorescent display (VFD) is located on the front control panel. During normal operation the display is blank. The display is used to show menu options and notifies the operator if a fault is detected. On International models, the display will indicate the temperature of the mix in each hopper.

Indicator Lights

=MIXLOW

= MIX OUT

= TOPPING HEATER-LEFT

= TOPPING HEATER-RIGHT

Model C602

MIX LOW - When the MIX LOW symbol is

illuminated, the mix hopper has a low supply of mix and should be refilled as soon as possible.

MIX OUT - When the MIX OUT illuminated, the mix hopper has been almost completely exhausted and has an insufficient supply of mix to operate the freezer. At this time, the AUTO mode is locked out and the freezer will be placed in the STANDBY mode. To initiate the refrigeration system, add mix to the mix hopper and touch the

AUTO symbol begin operation.

. The freezer will automatically

Systems, Controls and Operations

symbol is

Heat Mode Symbol

When the HEAT MODE symbol is illuminated, the freezer is in the process of a heat cycle. The heat mode symbol may be selected to start a heat cycle following a freezer soft lock condition.

For some International models, the heat symbol can be selected to manually start a heat cycle at any time.

The SAFETY TIMEOUT screen will be displayed with the alarm on, for 60 seconds or until any control symbol is selected.

After the safety timeout has been completed and the power switch is OFF, the following screen is displayed. (See Figure 6.)

Brush Clean Countdown - Displays the number of days before the next brush cleaning is required. When the display has counted down to “1”, the machine must be disassembled and brush cleaned within 24 hours.

Power Up

When the machine is powered the control system will initialize to perform a system check. The screen will display “INITIALIZING”. There will be four types of data the system will check: LANGUAGE, SYSTEM DATA, CONFIG DATA, and LOCKOUT DATA.

During the INITIALIZING... LANGUAGE screen, the alarm will be on. If the system detects corrupt data during INITIALIZING, the following display will alert the operator that the control settings may have been changed (See Figure 4.)

SERVICE REQ’D

NVRAM FAULT

RESET TO DEFAULTS

< PRESS TO CLEAR

POWER SWITCH OFF =-=-=-=-=-=-=-

UNIT CLEANED

Figure 6

Power Switch ON

When the power switch is placed in the ON position, the control panel touch keys become operative. The VFD will be either blank or indicate that the unit has been cleaned. (See Figure 7.)

UNIT CLEANED

Figure 7

Figure 4

Once the system has initialized, the number of days remaining before the next required brush cleaning is indicated on the control panel and the SAFETY TIMEOUT screen is displayed with the alarm turned on. (See Figure 5.)

SAFETY TIMEOUT ANY KEY ABORTS

Figure 5

Systems, Controls and Operations

Display for International Models Only:

Some International models will continuously display the temperature of each mix hopper when the power switch is in the ON position. (See Figure 8.)

HOPPERS 21.0 21.1

UNIT CLEANED

Figure 8

Model C602

Heat Cycle

The HEAT symbols on the control panel are illuminated throughout the heat treatment cycle. Two warning messages will be displayed on the screen. “DO NOT DRAW” will be displayed when the mix temperature is below 130°F (54.4°C). (See Figure 9.)

L: DO NOT DRAW R: DO NOT DRAW

Figure 9

When the temperature of the mix is above 130°F (54.4°C) the screen will display a message indicating that HOT PRODUCT is in the machine. (See Figure 10.)

L: HOT PRODUCT R: HOT PRODUCT

Figure 10

DO NOT attempt to draw product or disassemble the unit during the HEAT cycle. The product is hot and under extreme pressure.

In the HEAT cycle, the mix temperature in the hoppers and freezing cylinders must be raised to 151°F (66.1°C) within 90 minutes.

When the heating phase is complete, the freezer goes into the holding phase of the cycle. The holding phase will keep the temperature above 151°F (66.1°C) for a minimum of 30 minutes.

The final phase of the heat treatment cycle is the cooling phase. The freezer must cool the mix below 41°F (5°C) within two hours.

When the entire heat cycle has been completed, the

HEAT symbols machine will enter the STANDBY mode (STANDBY

symbols placed in AUTO or left in STANDBY.

and illuminate). The machine can be

will no longer be illuminated. The

Model C602

Systems, Controls and Operations

Freezer Lock-Out

Heat Cycle Failure Messages

To comply with health codes, heat treatment system freezers must complete a heat treatment cycle daily, and must be disassembled and brush cleaned a minimum of every 14 days. Brush cleaning is the normal disassembly and cleaning procedure found in the Operator Manual. Failure to follow these guidelines will cause the control to lock the freezer out of the AUTO mode.

Always comply with local guidelines for the maximum number of days allowed between brush clean cycles. (See the Manager/Service Menu for setting the Brush Clean interval, on page 21.)

If the Heat Treatment Cycle fails, the VFD will display a failure message and return the freezer to the STANDBY mode. A “lock” is defined as a special STANDBY mode of operation which does not allow the machine to operate in the AUTO mode.

There are two types of freezer lock conditions that can occur: Hard Lock or Soft Lock. A Hard Lock requires the machine be disassembled and brush cleaned. A Soft Lock can be corrected by either disassembling and brush cleaning the machine, or by starting another heat treatment cycle.

Selecting the WASH symbol following screen. (See Figure 12.)

FREEZER LOCKED

Figure 12

2. There has been a thermistor failure (freezing cylinder, hopper, or glycol) during the heat treatment process. (See Figure 13.)

SYSTEM FAULT FREEZER LOCKED SERVICE REQ’D

< PRESS TO CLEAR

Figure 13

Selecting the CALIBRATE symbol which thermistor caused the Hard Lock. (See Figure 14.)

L: HOPPER THERM BAD

will display the

will indicate

Hard Lock: There are two causes of a hard lock failure:

1. The brush clean timer has elapsed (maximum setting of 14 days). (See Figure 11.)

BRUSH CLEAN TIMEOUT FREEZER LOCKED CLEANING REQ’D WASH TO BRUSH CLEAN

Figure 11

Systems, Controls and Operations

FREEZER LOCKED

Figure 14

If the machine has hard locked and an attempt is made to enter AUTO, the machine will enter the STANDBY mode and display the following message. (See Figure 15.)

FREEZER LOCKED

Figure 15

Model C602

To restore the message that identified the reason for the hard lock, turn the power switch OFF for five seconds and then return the power switch to the ON position. The original message with the reason for the Hard Lock will be displayed. The FAULT DESCRIPTION can also be found in the Manager or Service Menu (See page 22.)

The FREEZER LOCKED message will remain on the display until the brush clean requirements are fulfilled. The freezer must be disassembled in order to activate the five minute timer on the display screen. Once the timer counts down to zero, the lockout is cleared.

Reasons For Soft Lock

Following are the variable messages for soft lock failures that appear on the second line of the screen.

Power Switch Off

This soft lock will occur if the power switch is in the OFF position and greater than 24 hours have passed since the start of the 14 day timer, or the start of the last successful Heat Treatment Cycle.

Soft Lock: If a heat treatment cycle has not been initiated within the last 24 hours, a soft lock failure will occur. A soft lock allows the operator to correct the cause of the soft lock. The operator has the option of either starting another heat cycle or brush cleaning the machine. When a soft lock occurs, the machine will go into the STANDBY mode. The following message is displayed on the screen. The reason for the soft lock is indicated on the second line. (See Figure 16.)

HEAT TREAT FAILURE

REASON

HEAT FOR HEAT CYCLE WASH TO BRUSH CLEAN

Figure 16

If the reason for the soft lock has been corrected,

selecting the HEAT symbol

immediately. Selecting the WASH symbol the above message is displayed will hard lock the machine and brush cleaning will be necessary.

initiates a Heat Cycle

when

Mix Out

This soft lock will occur if one or both sides has a mix out condition and greater than 24 hours have passed since the start of the 14 day timer or the start of the last successful Heat Treatment Cycle.

Auto or Standby Off

This soft lock will occur if one or both sides is in the OFF mode and greater than 24 hours have passed since the start of the 14 day timer or the start of the last successful Heat Treatment Cycle.

No Heat Cycle Tried

No Heat Treatment Cycle was performed in the 24 hours after the start of the 14 day timer, or the start of the last successful Heat Treatment Cycle. (AUTO HEAT TIME was advanced,a power loss was experienced at the time the cycle was to occur, or a heat cycle failure not due to a thermistor failure.)

Model C602

Systems, Controls and Operations

If the following screen appears, a soft lock has occurred during the heat treatment cycle. (See Figure 17.)

HEAT TREAT FAILURE FREEZER LOCKED HEAT FOR HEAT CYCLE WASH TO BRUSH CLEAN

Figure 17

A soft lock can also occur any time during operation when the hopper or freezing cylinder temperature rises above 59°F (15°C), or the temperature rises and remains above 41°F(5°C) for more than four hours. If a PRODUCT OVER TEMPERATURE condition occurs during operation, the following screen will appear. (See Figure 18.)

PRODUCT OVER TEMP

HEAT FOR HEAT CYCLE WASH TO BRUSH CLEAN

If the WASH symbol is selected to clear the lockout by brush cleaning the machine, the FREEZER LOCKED message will remain on the display until the brush clean requirements are fulfilled. The freezer must be disassembled in order to activate the five minute timer on the display screen. Once the timer counts down to zero, the lockout is cleared. (See Figure 20.)

FREEZER LOCKED

Figure 20

To restore the message that identified the reason for the soft lock, turn the power switch OFF for five seconds, and then return the power switch to the ON position. The original message with the reason for the soft lock will be displayed. (See Figure 21.)

Figure 18

When one of these messages appears, automatic freezer operation cannot take place until the freezer is disassembled and brush cleaned, or has completed a heat treatment cycle. Select the HEAT

symbol

symbol machine.

Once the freezer is unlocked by starting a heat

treatment cycle the HEAT symbol and the following message will be displayed on the screen. (See Figure 19.)

to start a heat cycle, or select the WASH

to disassemble and brush clean the

will illuminate

L: DO NOT DRAW R: DO NOT DRAW

Figure 19

HEAT TREAT FAILURE

REASON

HEAT FOR HEAT CYCLE WASH TO BRUSH CLEAN

Figure 21

The FAULT DESCRIPTION can also be found in the Manager and Service Menus. (See page 22.)

Note: A record of Heat Cycle Data and Lock Out History can be found in the Manager and Service Menus. (See page 23.)

Systems, Controls and Operations

Model C602

Service Menu

______________________________

The Service Menu option allows a trained service technician to access and modify critical operating parameters for the machine. All the menu screens found in the Manager’s Menu are also included in the Service Menu. To access the menu, touch the center of the CONE symbol.

13117

Figure 22

illuminated and are non-functional when a menu screen is displayed. The control keys for both sides are only functional when the CURRENT CONDITIONS screen is displayed.

Entering Access Cod e

With the ACCESS CODE screen on the display use

the AUTO to set the first code number in the cursor position. When the correct number is selected, touch the

CALIBRATION symbol next number position.

The access code for the Service Menu is 5231. The access code for the Operator Menu is 8309. (See Figure 23.)

or OPTIONAL FLAVOR symbols

to move the cursor to the

ENTER ACCESS CODE

5231 _

The shake AUTO symbol

FLAVOR symbol be illuminated when the ACCESS CODE screen is displayed.

In the Menu program, the shake side AUTO symbol

, OPTIONAL FLAVOR symbol , and

CALIBRATION symbol keys.

AUTO and used to scroll upward in text displays

OPTIONAL FLAVOR above the cursor and used to scroll downward in text displays.

CALIBRATION the right and is used to select menu options.

Note: You will not be able to dispense shakes while accessing the Service Menu options, except when the CURRENT CONDITIONS screen is displayed.

- increases the value above the cursor

and the CONE symbol will

- advances the cursor position to

, the OPTIONAL

will function as menu

- decreases the value

Figure 23

Continue to enter the proper access code numbers until all four numbers are displayed, and then touch

the CALIBRATION symbol list will display on the screen, provided the correct access code is entered.

If an incorrect number is entered for the access code, the display will exit the Menu program when

the CALIBRATION symbol Figure 24.)

. The Service Menu

is selected. (See

13118

The soft serve side will continue operation in the mode it was in when the Menu was selected. However, the soft serve side control keys will not be

Model C602

Figure 24

Systems, Controls and Operations

Service Menu Options

Touch the AUTO symbol or OPTIONAL FLAVOR

symbol Select a Menu option by aligning the option with the arrow on the left side of the screen, and then touch

the CALIBRATION symbol program by selecting EXIT FROM MENU or touch

the CONE symbol

The following menu options are listed in the Service Menu:

to move up or down through the Menu.

. Exit the Menu

EXIT FROM MENU

Selecting “EXIT FROM MENU” will exit the Menu and the return the control panel symbols to normal operation.

VERIFY CALIBRATION

The VERIFY CALIBRATION option is used to verify that the amount of syrup dispensed is within the proper specification. (See Figure 25.)

VERIFY CALIBRATION

Select a flavor

<- Press to clear

Note: Options “EXIT FROM MENU” through

“CURRENT CONDITIONS” can also be accessed through the Manager’s Menu.

EXIT FROM MENU VERIFY CALIBRATION RESET DRAW COUNTER SET CLOCK AUTO HEAT TIME AUTO START TIME STANDBY MODE BRUSH CLEAN CYCLE MIX LEVEL AUDIBLE FAULT DESCRIPTION LOCKOUT HISTORY HEAT CYCLE SUMMARY HEAT CYCLE DATA SYSTEM INFORMATION CURRENT CONDITIONS TEMPERATURE SCALE STANDBY TEMPERATURE HOPPER TEMPERATURE GLYCOL TEMPERATURE VISCOSITY SETTING COMPRESSOR CYCLE TIME COMPRESSOR ON DELAY BEATER OFF DELAY MIXPUMPOFFDELAY WHITESPOT ADJUST CAL SYRUP TIME DRAW SAFETY TIME EDIT UNIT ID CALIBRATE PROXIMITY SWITCH SELECT LANGUAGE ABORT HEAT CYCLE SYRUP MOTOR SETUP

Figure 25

Remove the syrup valve from the dispensing door. With the line fully primed with syrup, position the syrup valve over the small chamber side of the divided syrup cup, and then select the corresponding favor selection. Syrup will flow into the cup for 5 seconds (7 seconds for Triple Thick Shake Syrup) and then automatically stop flowing. Place the cup on a flat surface and check the amount of syrup dispensed. If the level is not within the correct specification, the flavor will need to be recalibrated.

It is recommended to verify the calibration of each syrup flavor and note any flavors that need to be recalibrated before exiting the Menu to access the CALIBRATION Menu.

Select the CALIBRATION symbol VERIFY CALIBRATION screen and return to the Menu list.

RESET DRAW COUNTER

The SERVING COUNTER screen is used to check or reset the number of servings dispensed from the machine. The SERVING COUNTER will automatically reset to zero when the machine is brush cleaned. (See Figure 26.)

SERVINGS COUNTER LEFT RIGHT

> Next

Figure 26

to exit the

Systems, Controls and Operations

Model C602

Reset the SERVING COUNTER by selecting the

CALIBRATION symbol

screen. Select the AUTO symbol

to advance to the next

to move the

arrow (>) to YES and select the CALIBRATION

symbol

. The servings counter will reset to zero

and exit back to the Menu. (See Figure 27.)

Change the time by touching the AUTO

OPTIONAL FLAVOR symbol

with the cursor

under the hour position. Move the cursor to the

minutes by selecting the CALIBRATION symbol Once the correct minutes are entered, select the

CALIBRATION symbol

to advance the cursor to

the month. (See Figure 30.)

RESET DRAW COUNTER

Yes

>No

Figure 27

SET CLOCK

The SET CLOCK option allows the manager or service technician to adjust the control clock date and time. The date and time may only be changed after the freezer has been manually cleaned but before it has been placed in the AUTO or STANDBY mode. The following message will be displayed if the SET CLOCK option is selected when the machine is not in a brush clean state. (See Figure 28.)

SET CLOCK 08:00 04/02/2004

NO CHANGES ALLOWED

> Press Any Key

SET CLOCK 08:00 04/02/2004 __ >Exit

Figure 30

Enter the correct month, day, and year. Then select

the CALIBRATION symbol

to advance to the

DAYLIGHT SAVING TIME screen. (See Figure 31.)

DAYLIGHT SAVING TIME

ENABLED

> Enable

Disable

Figure 31

The Daylight Saving Time feature, when enabled, will automatically adjust the control clock for daylight saving time. To Disable the Daylight Saving Time

feature, select the AUTO symbol

to move the

arrow to Disable. Then touch the CALIBRATION

symbol

to save the new setting.

Figure 28

To change the date or time, select the SET CLOCK

option in the menu. Touch the AUTO symbol

advance the arrow from Exit to Change, and then

touch the CALIBRATION symbol

to select the

Change option. (See Figure 29.)

SET CLOCK 08:00 04/02/2004

Change

>Exit

Figure 29

Model C602

AUTO HEAT TIME

The AUTO HEAT TIME screen allows the manager or service technician to set the time of day in which the heat treatment cycle will start. (See Figure 32.)

AUTO HEAT TIME

00:00

Change

>Exit

Figure 32

Note: Do not advance the Auto Heat Time setting except on the day the unit is brush cleaned. Increasing the time between heat cycles will cause the machine to soft lock if the start of the cycle does

Systems, Controls and Operations

not begin within 24 hours from the start of the previous heat treatment cycle.

To set the AUTO HEAT TIME select the AUTO

symbol

select the CALIBRATION symbol

to move the arrow to Change. Then

. The screen will display the time with the cursor under the hour position. (See Figure 33.)

AUTO HEAT TIME

00:00 __

Figure 33

Select the AUTO symbol

FLAVOR symbol

to increase or decrease the

or the OPTIONAL

hour to the desired setting. Then move the cursor to the minutes position by selecting the CALIBRATION

symbol

select the CALIBRATION symbol

. Adjust the setting for minutes, then

to save the

setting and return to the AUTO HEAT TIME screen.

Select the CALIBRATION symbol

to exit the

screen and return to the Menu.

Enable the AUTO START TIME by selecting the

AUTO symbol

Select the CALIBRATION symbol

to move the arrow up to Enable.

to advance to

the next screen. (See Figure 35.)

AUTO START TIME

00:00

Change

>Exit

Figure 35

Program the AUTO START TIME by selecting the

AUTO symbol

Select the CALIBRATION symbol

to move the arrow to Change.

to advance to

the next screen. (See Figure 36.)

AUTO START TIME

00:00 __

AUTO START TIME

The AUTO START TIME option allows the manager or service technician to set the time of day at which the machine automatically enters the AUTO mode from the STANDBY mode. The machine must be in the STANDBY mode without a freezer lock condition in order to AUTO start at the programmable time. The AUTO START TIME can be disabled and will require starting the AUTO mode manually. (See Figure 34.)

AUTO START TIME

DISABLED Enable

> Disable

Figure 34

Figure 36

Program the AUTO START TIME by increasing

(AUTO symbol

FLAVOR symbol

cursor. Select the CALIBRATION symbol

) or decreasing (OPTIONAL

) the hour setting above the

to advance the cursor and program the minutes setting.

Select the CALIBRATION symbol

to return to the

previous screen with the new time setting displayed.

Select the CALIBRATION symbol

to exit the

screen and return to the Menu.

Systems, Controls and Operations

Model C602

STANDBY MODE

The Standby option is used only on models which have the control panel Standby keys disabled.

The STANDBY option is used to manually place the left or right side in the standby mode during long, no draw periods. Select the STANDBY screen from the

Menu. Select the AUTO symbol

to move the

arrow up to the left (shake) or right (soft serve) side.

Select the CALIBRATION symbol

to activate

Standby for the selected side.

Repeat the steps to activate Standby on the remaining side. (See Figure 37.)

STANDBY MODE

LEFT RIGHT

>Exit

symbol

the CALIBRATION symbol

to increase the number of days. Select

to save the setting and exit back to the Menu. The number of days displayed on the brush clean counter will change to the new setting. (See Figure 39.)

BRUSH CLEAN CYCLE TIME 14 DAYS

Figure 39

Always comply with local guidelines on the number of days allowed between brush clean cycles.

Figure 37

Discontinue Standby operation for either side by exiting the Menu and select the AUTO mode.

BRUSH CLEAN CYCLE

The BRUSH CLEAN CYCLE option allows the manager or service technician to select the maximum number of days between brush cleaning the machine. The brush clean cycle may only be changed after the freezer has been manually cleaned but before it has been placed in the AUTO or STANDBY mode.

The following message will be displayed if the BRUSH CLEAN CYCLE option is selected when the machine is not in a brush clean state. (See Figure 38.)

BRUSH CLEAN CYCLE TIME 14 DAYS

NO CHANGES ALLOWED Press Any Key

Figure 38

Change the number of days between brush clean

intervals by selecting the AUTO symbol

decrease the days or the OPTIONAL FLAVOR

MIX LEVEL AUDIBLE

The MIX LEVEL AUDIBLE option, when enabled, will alert the operator with an audible tone when there is mix low or mix out condition. The following screen is displayed upon selecting this option. (See Figure 40.)

MIX LEVEL AUDIBLE

ENABLED

> Enable

Disable

Figure 40

Disable the audible tone feature by selecting the

OPTIONAL FLAVOR symbol

to move the arrow

to DISABLE. Select the CALIBRATION symbol to save the new setting and return to the Menu. The control panel icons for Mix Low and Mix Out will illuminate as the mix level drops in the hopper but the audible tone will be disabled.

Model C602

Systems, Controls and Operations

FAULT DESCRIPTION

LOCKOUT HISTORY

The FAULT DESCRIPTION display will indicate if there is a fault with the freezer and the side of the freezer where the fault occurred. When no faults are detected the following screen will be displayed. (See Figure 41.)

FAULT DESCRIPTION L: NO FAULT FOUND R: NO FAULT FOUND

Figure 41

Select the CALIBRATION symbol

to display the

next fault found or return to the Menu if no other

faults exist. Selecting the CALIBRATION symbol any time faults are displayed will clear the faults if corrected, upon returning to the Menu screen.

Listed below are the variable messages which will appear, along with an explanation for the corrective action.

NO FAULT FOUND - There was no fault found in the freezer. Nothing will appear on the screen after this variable message appears.

The LOCKOUT HISTORY screen displays a history of the last 40 soft locks, hard locks, brush clean dates, or aborted heat cycles. Page numbers are indicated in the upper right hand corner. Page 1 always contains the most recent failure. (See Figure 42.)

LOCKOUT HISTORY 2

00/00/00 00:00

REASON

>Exit

Figure 42

The second line of the screen displays the date and time a failure occurs. The third line indicates the reason for a failure, or will indicate if a successful brush cleaning has occurred. Some failures occur with multiple reasons. When this occurs, a page will be generated for each reason.

Select the AUTO symbol

symbol

to advance forward or backward to view

or OPTIONAL FLAVOR

each screen. Listed below are the variable messages that may appear.

BEATER OVERLOAD - Press the beater reset button firmly for the side of the freezer with the fault.

HPCO COMPRESSOR - Place the power switch in the OFF position. Wait 5 minutes for the machine to cool. Place the power switch in the ON position and restarteachsideinAUTO.

HOPPER THERMISTOR BAD - Place the power switch in the OFF position. Replace the bad probe.

BARREL THERMISTOR BAD - Place the power switch in the OFF position. Replace the bad probe.

GLYCOL THERMISTOR BAD - Place the power switch in the OFF position. Replace the bad probe.

Faults Occurring While Entering a Heat Treatment Cycle

POWER SWITCH OFF - The power switch is OFF.

AUTO OR STBY OFF - The control was not in

AUTO or STANDBY.

MIX OUT FAILURE - A mix out condition was present.

NO HEAT CYCLE TRIED - The Auto Heat Time was set to attempt a heat cycle more than 24 hours after the last successful heat cycle.

Systems, Controls and Operations

Model C602

Faults Occurring While in Heat Mode

HEAT MODE FAILURE - The maximum allowable

heat mode time exceeded 90 minutes.

COOL MODE FAILURE - The maximum allowable cool mode time exceeded 120 minutes.

TOTAL TIME FAILURE - The maximum allowable total heat treatment time exceeded 4 hours.

BRUSH CLEAN TIMEOUT - The total days in operation exceeded the brush clean cycle setting.

Faults Occurring While in AUTO Mode

(L/R) HPR>41F (5C) AFTER 4 HR -Themix

temperature in the left or right hopper was above 41°F(5°C) more than four hours.

(L/R) BRL>41F (5C) AFTER 4 HR -Themix temperature in the left or right barrel was above 41°F(5°C) more than four hours.

(L/R) HPR>41F (5C) AFTER PF -Themix temperature in the left or right hopper was above 41°F(5°C) more than four hours following a power failure.

(L/R) BRL>41F (5C) AFTER PF -Themix temperature in the left or right barrel was above 41°F(5°C) more than four hours following a power failure.

(L/R) HPR>59F (15C) - The mix temperature in the left or right hopper exceeded 59°F(15°C).

POWER SWITCH OFF - The power switch was turned OFF during the heat cycle.

POWERFAILINH/C- A power failure occurred during the heat treatment cycle.

(L/R) MIX LOW FAILURE - The mix level in the (left/right) Hopper is too low for a successful heat cycle.

(L/R) BEATER OVLD H/C - The overload tripped for the (left/right) side beater motor.

(L/R) BRL THERM FAIL - The thermistor sensor for the (left/right) side barrel failed.

(L/R) HOPPER THERM FAIL - The thermistor sensor for the (left/right) side hopper failed.

(L/R) HPCO H/C - The (left/right) side high pressure switch opened during the heat treatment cycle.

(L/R) BRL>59F (15C) - The mix temperature in the left or right barrel exceeded 59°F(15°C).

HEAT CYCLE SUMMARY

The HEAT CYCLE SUMMARY screen displays the hours since the last heat cycle, the hours since the product temperature was above 150°F (65.6°C), and the number of heat cycles completed since the last brush clean date. (See Figure 43.)

HEAT CYCLE SUMMARY HRS SINCE HC 0 HRS SINCE 150.0 0 HRS SINCE BC 0

Figure 43

HEAT CYCLE DATA

The HEAT CYCLE DATA screen contains a record of up to 366 heat treatment cycles. The most recent heat cycle data will be shown first. Each heat cycle record or page has two screens. The first screen displays the month and day of the heat cycle, the start time and end time, and which side of the machine underwent the heat treatment cycle; L for Left side, R for Right side, and B for both sides. Line 3 displays the total time in each heat cycle phase. Line 4 displays the glycol temperature at the completion of the heat cycle and the page number.

Model C602

Systems, Controls and Operations

Select the AUTO symbol

to advance forward

through the data pages. Select the OPTIONAL

FLAVOR symbol

to reverse the page direction.

(See Figure 44.)

00/00 00:00 00:00 B HEAT OVER COOL RC 00:00 00:00 00:00 * TEMP AT END 0.0 1

Figure 44

The second screen will have the same page number and display the temperature recorded in each hopper, barrel, and the temperature of the glycol when the heat cycle was terminated. The left hopper and barrel temperature is displayed on line 2 and the right side temperatures on are line 3. The time in the last phase of heat cycle, whether successful or failed, is displayed on line 4.

Select the AUTO symbol

page or the OPTIONAL FLAVOR symbol

to advance to the next

to view

the previous page. (See Figure 45.)

HOPPER BARREL GLYCOL

000.0 000.0 000.0

000.0 000.0 PHASE TIME: 00:00 1

Figure 45

Heat Cycle Failure codes will display on the first screen on line 2 if a failure occurred. (See Figure 46.)

HOPPER BARREL GLYCOL

000.0 000.0 000.0 HT

000.0 000.0 PHASE TIME: 00:00 1

Figure 46

Listed below are variable failure code messages which could appear on line 2.

HT Heat Time Too Long

Mix temperature did not rise above 151°F (66.1°C) in less than 90 minutes.

CL Cool Time Too Long

Mix temperature in the hopper and freezing cylinder did not fall below 41°F(5°C) in less than 120 minutes.

TT Total Time Too Long

The heat treatment cycle must be completed in no more than 4 hours.

MO Mix Out Condition

A mix out condition was detected at the start or during the heat cycle.

ML Mix Low Condition

The Heat Phase or Cool Phase time was exceeded and a mix low condition was present.

BO Beater Overload Condition

A beater overload occurred during the heat cycle.

HO High Pressure Cut-Out Condition

A high pressure cut-out condition occurred during the heat cycle.

PF Power Failure

A power failure caused the Heat Phase, Cool Phase, or Total Cycle Time to exceed the maximum allowed time. If a power failure occurs, but the heat treatment cycle does not fail, an asterisk(*) will appear on the third line of the display.

PS Power Switch OFF

The power switch was placed into the OFF position during the heat cycle.

TH Thermistor Switch OFF

A thermistor probe has failed.

RC Record Cleared

Data has not been written to the page or cleared due to corrupt data.

OP Operator Abort

Indicates the heat cycle was aborted in the OPERATOR ABORT option in the service menu.

PD Product Door Not in Place

A product door is not in place or is loose.

Systems, Controls and Operations

Model C602

SYSTEM INFORMATION

The SYSTEM INFORMATION is displayed on three separate screens. The first screen contains the control and software version installed in the machine. (See Figure 47.)

VISC 0 0.0 HOPPER 41.0 41.0 BARREL 41.0 41.0 GLYCOL 41.0

SOFTWARE VERSION

C602 CONTROL UVC3 VERSION 1.00 > Next

Figure 47

Select the CALIBRATION symbol

to advance to the next system information screen containing the software language version. (See Figure 27.)

Language V1.11r00 English 515

> Next

Figure 48

Select the CALIBRATION symbol

to advance to the third system information screen containing the model bill of material and machine serial number.

Selecting the CALIBRATION symbol

again will

return to the Menu list. (See Figure 49)

Figure 50

CURRENT CONDITIONS is the only Menu screen that will return the left and right side control panel keys to normal operation. The Menu keys will not be illuminated when this option is selected so shakes can be dispensed and all panel touch keys are fully functional. Use this screen when you wish to remain in the Menu and dispense a shake. Exit the CURRENT CONDITIONS screen and return to the

Menu by selecting the CALIBRATION symbol

Note: All screens from this point forward can only be accessed through the service menu.

TEMPERATURE SCALE

The TEMPERATURE SCALE option allows the service technician to choose the scale in which the machine will display all temperatures. (See Figure 51.)

B.O.M. C60233H000 S/N K0000000

> Next

Figure 49

CURRENT CONDITIONS

The CURRENT CONDITIONS screen provides the viscosity readings for the product when the side is running and hopper and barrel temperatures for both sides of the machine. The left column displays the readings for the shake side and the right column displays the soft serve side readings. The bottom line in the display indicates the current glycol temperature. (See Figure 50.)

Model C602

TEMPERATURE SCALE

FAHRENHEIT

> Fahrenheit

Celsius

Figure 51

To change the scale setting, use the AUTO

symbol

or OPTIONAL FLAVOR symbol to move the cursor along side of the desired temperature scale then touch the CALIBRATION

symbol

to save the selection and return to the

service menu.

Systems, Controls and Operations

STANDBY TEMPERATURE

HOPPER TEMPERATURE

The STANDBY TEMPERATURE option allows the service technician to adjust the freezing cylinder temperature in the Standby mode. In Standby, the machine will cycle the compressor (and beater) on if the temperature of the product in the freezing cylinder rises above the setpoint. The compressor will cycle off when the temperature of the product in the freezing cylinder drops 4°F(2.2°C) or more below the set point. (See Figure 52.)

STANDBY TEMP L CUT IN AT : 30.5 CURRENT : 30.5 > Next

Figure 52

Adjust the temperature setting using the AUTO

symbol

OPTIONAL FLAVOR symbol

to increase the temperature or

to decrease the

temperature. Save the setting by selecting the

CALIBRATION symbol

to advance to the next screen for the right side freezing cylinder Standby temperature setting. (See Figure 53.)

The HOPPER TEMPERATURE menu allows the service technician to adjust the hopper temperature by which the glycol pump and the left and right glycol solenoids are controlled when the machine is operating in AUTO or STANDBY modes.

Hopper cooling is activated when the mix temperature rises above the set point temperature. When the temperature drops 2°F(1°C) below the set point the hopper cooling is discontinued. (See Figure 54.)

HOPPER TEMP L CUT IN AT : 39.0 CURRENT : 39.0 > Next

Figure 54

Adjust the temperature setting using the AUTO

symbol

OPTIONAL FLAVOR symbol

to increase the temperature or

to decrease the

temperature. Save the setting by selecting the

CALIBRATION symbol

to advance to the next screen for the right side Hopper temperature setting. (See Figure 55.)

STANDBY TEMP R CUT IN AT : 30.5 CURRENT : 30.5 > Next

Figure 53

Select the CALIBRATION symbol setting and return to the Service Menu.

to save the

HOPPER TEMP R CUT IN AT : 39.0 CURRENT : 39.0 > Next

Figure 55

Select the CALIBRATION symbol setting and return to the Service Menu.

to save the

Systems, Controls and Operations

Model C602

GLYCOL TEMPERATURE

VISCOSITY SETTING

The GLYCOL TEMPERATURE allows the Service Technician to adjust the glycol temperature used to control the glycol heater in the HEAT and HOLD phases of the Heat Treatment Cycle.

When the glycol temperature falls 6°F(3.3°C) or more below the set point, the glycol heater is activated. When the glycol temperature rises above the set point, the heater is de-activated. The factory glycol temperature setting is 178°F(81°C). (See Figure 56.)

GLYCOL TEMPS HEATING : 178.0 CURRENT : 41.0 > Next

Figure 56

Adjust the temperature setting using the AUTO

symbol

OPTIONAL FLAVOR symbol

to increase the temperature or

to decrease the

temperature. Save the setting by selecting the

CALIBRATION symbol

to advance to the next screen for the right Glycol temperature setting in the HOLDING phase. (See Figure 57.)

GLYCOL TEMPS HOLDING : 177.0 CURRENT : 41.0 > Next

The viscosity setting option allows the service technician to adjust the viscosity at which the compressor cycles off during the AUTO mode of operation.

Select the AUTO symbol

to move the cursor up to the left or right side viscosity setting. (See Figure 58.)

VISCOSITY SETTING

LEFT RIGHT

>Exit

Figure 58

Shake Viscosity Setting (Left):

Select the AUTO symbol

to increase the viscosity

setting or the OPTIONAL FLAVOR symbol decrease the setting. (See Figure 59.)

VISCOSITY SETTING LEFT = 4000HD CURRENT = 0

Figure 59

Figure 57

The GLYCOL HOLDING TEMPERATURE set point controls the glycol heater in the HOLDING phase of the Heat Treatment Cycle. When the glycol temperature is 6°F(3.3°C) or more below the set point, the glycol heater is activated. When the glycol temperature rises above the set point, the heater is de-activated. The factory setting for the glycol holding temperature is 177°F(81°C).

Adjust the temperature setting using the AUTO

symbol

to increase the temperature or

OPTIONAL FLAVOR symbol to decrease the

temperature. Select the CALIBRATION symbol to save the setting and return to the Service Menu.

Model C602

Note: A Hedlund (HD) is a Taylor factory defined

unit of measure representing the relative product viscosity (thickness). Product in the shake machines is normally set at a viscosity ranging from 4,000 to 7,500 HD’s to accomplish a neutral frozen product temperature around 23° -26°F (-5 to -3.3°C).

While the beater motor is on, the current viscosity indicated on the display is updated continually. When the beater motor is off, this value is zero.

Select the CALIBRATION symbol

to save the

setting and return the Service Menu.

Systems, Controls and Operations

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