The many built-in safety features that non-flammable; however, any gas under pressure is are part of all Taylor equipment are aimed at potentially hazardous. protecting operators and trained service technicians alike.
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Compressor Warranty Disclaimer ______________________________ 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 The refrigeration compressor(s) on this machine are service to this machine, Taylor has no obligation to...
Model C602 Specifications Freezing Cylinders Electrical Shake Side: One, 7 quart (6.6 liter) Standard is 208/230-60-3; however, other electrical Soft Serve: One, 3.4 quart (3.2 liter) characteristics are available. Each unit requires electrical service - Three Phase Maximum Fuse Size: 40 A, Minimum Wire Ampacity: 36 A Mix Hopper Note: McDonald’s specifies Hubbell A460P9 plug...
REMEMBER TO DISCONNECT ALL Note: If the gear unit is out of alignment, refer to POWER TO THE FREEZER! Failure to follow this the General Service Manual. instruction may result in electrocution. Model C602 Introduction...
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REMEMBER TO DISCONNECT ALL all-pole disconnecting device with a contact gap of at POWER TO THE FREEZER! Failure to follow this instruction may result in electrocution. least 3 mm installed in the external installation. Model C602 Introduction...
Glycol System Glycol Path Setting Viscosity Portion Control (Shake) Control Overview Electrical System Modes of Operation Chart Electrical System - L1 Power Path Shake Draw Sequence Chart Syrup Delivery Syrup Calibration Shake Draw Mechanism Alignment Model C602 Systems, Controls and Operations...
Suction pressure equals expansion valve setting. The following are the Taylor Company recommended settings for various components in High Side (Discharge) the Model C602. (See page 9 for the Refrigeration High side pressure varies for air cooled units, System Schematic.) depending on the ambient temperature.
Indicator Light-Mix Out Illuminates when the mix hopper has an insufficient supply of mix to operate the freezer. The Auto mode will be locked out and the machine will be placed in the Standby mode. Model C602 Systems, Controls and Operations...
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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 = MENU DISPLAY Taylor equipment is designed with these International symbols. The following chart identifies the symbol definitions. = AUTO...
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TIMEOUT screen is displayed with the alarm turned switch is in the ON position. (See Figure 8.) on. (See Figure 5.) HOPPERS 21.0 21.1 SAFETY TIMEOUT ANY KEY ABORTS UNIT CLEANED Figure 5 Figure 8 Model C602 Systems, Controls and Operations...
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HOT PRODUCT HEAT symbols will no longer be illuminated. The HOT PRODUCT machine will enter the STANDBY mode (STANDBY symbols illuminate). The machine can be Figure 10 placed in AUTO or left in STANDBY. Model C602 Systems, Controls and Operations...
AUTO, the machine will enter the STANDBY mode and display the following message. (See Figure 15.) BRUSH CLEAN TIMEOUT FREEZER LOCKED CLEANING REQ’D WASH TO BRUSH CLEAN FREEZER LOCKED Figure 11 Figure 15 Model C602 Systems, Controls and Operations...
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Model C602 Systems, Controls and Operations...
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HEAT symbol will illuminate Menus. (See page 23.) and the following message will be displayed on the screen. (See Figure 19.) L: DO NOT DRAW R: DO NOT DRAW Figure 19 Model C602 Systems, Controls and Operations...
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CURRENT CONDITIONS screen is displayed. 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 Figure 24 Model C602 Systems, Controls and Operations...
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MIX PUMP OFF DELAY WHITESPOT ADJUST CAL SYRUP TIME SERVINGS COUNTER DRAW SAFETY TIME LEFT RIGHT EDIT UNIT ID CALIBRATE PROXIMITY SWITCH > Next SELECT LANGUAGE ABORT HEAT CYCLE SYRUP MOTOR SETUP Figure 26 Model C602 Systems, Controls and Operations...
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Note: Do not advance the Auto Heat Time setting > Exit except on the day the unit is brush cleaned. Increasing the time between heat cycles will cause Figure 29 the machine to soft lock if the start of the cycle does Model C602 Systems, Controls and Operations...
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Enable Select the CALIBRATION symbol to return to the previous screen with the new time setting displayed. > Disable Select the CALIBRATION symbol to exit the Figure 34 screen and return to the Menu. Model C602 Systems, Controls and Operations...
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Mix Low and Mix Out will intervals by selecting the AUTO symbol illuminate as the mix level drops in the hopper but decrease the days or the OPTIONAL FLAVOR the audible tone will be disabled. Model C602 Systems, Controls and Operations...
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NO HEAT CYCLE TRIED - The Auto Heat Time GLYCOL THERMISTOR BAD - Place the power was set to attempt a heat cycle more than 24 hours switch in the OFF position. Replace the bad probe. after the last successful heat cycle. Model C602 Systems, Controls and Operations...
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3 displays the total time in each heat cycle phase. (L/R) HPCO H/C - The (left/right) side high pressure Line 4 displays the glycol temperature at the switch opened during the heat treatment cycle. completion of the heat cycle and the page number. Model C602 Systems, Controls and Operations...
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Indicates the heat cycle was aborted in the 000.0 000.0 OPERATOR ABORT option in the service PHASE TIME: 00:00 menu. Product Door Not in Place A product door is not in place or is loose. Figure 46 Model C602 Systems, Controls and Operations...
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GLYCOL 41.0 machine. (See Figure 47.) Figure 50 SOFTWARE VERSION C602 CONTROL UVC3 VERSION 1.00 CURRENT CONDITIONS is the only Menu screen > Next that will return the left and right side control panel keys to normal operation.
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> Next Figure 53 Figure 55 Select the CALIBRATION symbol to save the Select the CALIBRATION symbol to save the setting and return to the Service Menu. setting and return to the Service Menu. Model C602 Systems, Controls and Operations...
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Next Figure 57 The GLYCOL HOLDING TEMPERATURE set point Note: A Hedlund (HD) is a Taylor factory defined controls the glycol heater in the HOLDING phase of unit of measure representing the relative product the Heat Treatment Cycle. When the glycol viscosity (thickness).
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. (See Figure 64.) The Left Compressor Cycle Time is displayed first. (See Figure 61.) COMP ON DELAY COMP CYCLE TIME RIGHT : 2 SECONDS L CYCLE TIME : 5 MIN Figure 61 Figure 64 Model C602 Systems, Controls and Operations...
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OPTIONAL FLAVOR symbol to adjust the setting. The Select the CALIBRATION symbol to save the recommended setting is 10 seconds. (See setting and advance to the Whitespot Setting for the Figure 67.) next flavor. Model C602 Systems, Controls and Operations...
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Draw Enter the store number, then select the Safety Time setting or the OPTIONAL FLAVOR CALIBRATION symbol to save the setting and symbol to decrease the setting. Select the return to the Service Menu. Model C602 Systems, Controls and Operations...
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(100 - 160) if the flow rate is too slow or the Menu screen and discontinue beater motor amount of syrup measured in the Verification Mode operation. is not within the specified range. Model C602 Systems, Controls and Operations...
HEAT phase of the Heat Treatment Cycle. If the that the machine is operating in the STANDBY timer exceeds 90 minutes, the unit will lock-out. mode. Model C602 Systems, Controls and Operations...
If the machine runs longer than 24 hours without a This pattern continues until hopper refrigeration is no successful Heat Treatment Cycle, the machine will longer required. soft lock. Model C602 Systems, Controls and Operations...
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Hopper and barrel temperatures are above 60°F phase requirements are met and the total time of the (15.6°C). HEAT and HOLD phases is greater than 115 minutes. c. Both freezer doors were removed concurrently. Model C602 Systems, Controls and Operations...
(if freezer is in the AUTO, STANDBY or HEAT mode. applicable). The glycol existing in the accumulator The agitator is driven by a motor and belt(s). will be pumped through the glycol system. Model C602 Systems, Controls and Operations...
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Replace the cap on the accumulator. hose and replace the access cap. Replace the outlet Step 4 line of the glycol pump to proper position. Remove Check for glycol mixture leaks. the pliers. Figure 82 Model C602 Systems, Controls and Operations...
4000 HD’s. To adjust the serving viscosity, it may be necessary to raise or lower the HD setting. Adjust in increases of 100 HD’s at a time. Note: Be sure that the syrups are correctly calibrated before determining the proper serving viscosity. Model C602 Systems, Controls and Operations...
5 VDC pulse when a cup-full is sensed. Pin 2 = BLACK: This is the DC GROUND connection. Pin 4 = RED: This is the +12 VDC power supply from the interface board. Model C602 Systems, Controls and Operations...
5 to 7-1/2 oz. (142 to 213 g.) of product by weight per 10 seconds. To INCREASE the flow rate, turn the screw CLOCKWISE, and COUNTER- CLOCKWISE to DECREASE the flow rate. (See Figure 85.) Figure 85 Model C602 Systems, Controls and Operations...
See table on page 45. EPROM Chip PLCC Chip-C602 Software Version Number. RAM Chip Stores program settings from menu in memory. Audible Tone Device Not activated on Model C602 (See table on page 45.) Model C602 Systems, Controls and Operations...
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The pins on the soft serve voltage range for the control is 4.75 – 5.25 VDC. board are inactive in the Model C602. The pins on Note: For installations with low voltage supply the shake interface board function as follows: (210V or less) it may be necessary to wire the 16 VAC transformer on the low voltage tap.
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The UVC3 Control calculates the motor speed dial at the top of the board is non-functional. The setting in the syrup calibration mode and sends the VFD does not require a contrast adjustment. information to the speed control. Model C602 Systems, Controls and Operations...
STANDBY WASH AUTO PUMP PRIME Heat Hold Cool Compressor Beater Motor Spinner Motor (Shake Only) Air/Mix Pump Motor Syrup Pump Glycol Heater Agitator Left Glycol Solenoid Right Glycol Solenoid Glycol Pump Shake Draw Solenoid Model C602 Systems, Controls and Operations...
1 for the compressor contactor coil. (Compressor pin 5 to supply power to the air/mix pump overload delay start based on COMP ON DELAY setting in and then to the air/mix pump motor. the Service Menu.) Model C602 Systems, Controls and Operations...
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J6 pin 1 on the interface boards. Once the freezing cylinder and hopper thermistor probes (connected to terminal J10 on the interface board) have been satisfied, the Heat Treatment cycle will end. Model C602 Systems, Controls and Operations...
*Syrup Motor Reverse Timer (0.25 - 0.35) Viscosity Setting Stop Compressor J6-T1 / J7-T7 Achieved Cycle OFF Achieved - Cycle OFF Stop Beater Motor J6-T7 / J7-T1 Start Off Cycle Stir Timer *Adjustable setting in Service Menu Model C602 Systems, Controls and Operations...
AUTO mode, the UVC3 control regulates the motor Refer to the Motor Setup section in the Service speed necessary to dispense syrup at the calibrated Menu, page 31 for motor and reverse time settings. Figure 87 Model C602 Systems, Controls and Operations...
(See Figure 88.) Figure 90 Step 3 Touch the CALIBRATION symbol to enter the syrup calibration mode. (See Figure 91.) SYRUP CALIBRATION Select a Flavor < Press to clear Figure 88 Figure 91 Model C602 Systems, Controls and Operations...
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4 for the same flavor until the correct syrup the hole plug in the door. Lower the retaining pin to calibration is achieved. (See Figure 93.) secure the plug in place. 23051 Figure 93 Model C602 Systems, Controls and Operations...
The actuator should slide easily into the draw valve slot when the freezer door assembly is installed. (See Figure 97.) Figure 95 ITEM DESCRIPTION ACTUATOR PLATE SPINNER MOTOR BRACKET SOLENOID VALVE SPINNER MOTOR SPINNER COUPLING BUMPER Figure 97 Model C602 Systems, Controls and Operations...
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The bottom of the draw valve should be located at the top of the product entry port. If the valve is too high or too low, the height of the solenoid will need adjustment. Figure 99 Model C602 Systems, Controls and Operations...
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Step 3 Position the coupling so the bottom of the spinner is recessed 1/32” (0.8 mm) or less in the bottom of the door spout. Step 4 Figure 101 Retighten the coupling screw. Model C602 Systems, Controls and Operations...
5. Liquid line is hot. a. Shortage of refrigerant. a. Repair leak and recharge. 6. Leaking door spout. a. Improper lubrication. a. Lubricate according to instructions in the operator’s manual. b. Worn or nicked o-ring. b. Replace the o-ring. Model C602 Troubleshooting...
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Lubricate properly. o-rings. c. Wrong type of lubricate being c. Use proper lubricant. Example: used. Taylor Lube High Performance. 10. Product is not being fed into the a. Inadequate mix in the hopper (Mix a. Fill hopper with mix. freezing cylinder.
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Replace the necessary box coupling. coupling, or both are rounded. component(s). Do not lubricate the end of the drive shaft. b. Mix and lubricant are collected in b. Brush clean the rear shell bearing the drive coupling. area regularly. Model C602 Troubleshooting...
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27. Unit changes modes or shuts a. Faulty connections or a. Replace faulty components. itself off. components. b. Inadequate voltage supply to the b. Check/correct voltage supply to Universal Control. the control (4.75 - 5.75 VDC). Model C602 Troubleshooting...
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Faulty blower baffle. d. Repair or replace blower baffle. e. Inadequate AXV settings. e. Set AXV at proper setting. (See “Running Specifications”.) 29. Symbol selection is delayed. a. Defective dec plate. a. Replace dec plate. Model C602 Troubleshooting...
Malfunctioning draw switch. b. Reposition or replace the microswitch. 6. One pump cannot be assembled. a. Soft serve and shake pump parts a. Consult the operator’s manual for are mixed up. correct pump assembly combinations. Model C602 Troubleshooting...
Adjust the pump motor reverse set too long. time in the Syrup Motor Setup menu. d. Air leak on the intake side of the d. Check the line for air leaks and syrup line/pick up tube. repair it. Model C602 Troubleshooting...
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Service menu: 5.0 seconds for standard shakes and 7.0 seconds for Triple Thick Shakes. g. The syrup fills the cup too fast to g. Adjust the motor speed setting accurately calibrate. slower in the Syrup Motor Setup menu. Model C602 Troubleshooting...
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Install a hole plug in the freezer door. d. The shake temperature is too cold. d. The correct temperature of a finished chocolate shake is 22.5°F (-5.8°C). Model C602 Troubleshooting...
Adjust the draw safety time in the low. Service Menu. d. Defective hold relay. d. Replace the relay. e. Loose wire connection in the draw e. Check the circuit for power solenoid circuit. interruption and repair it. Model C602 Troubleshooting...
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Re-align the dispensing of alignment. mechanism. (See page 54.) e. The draw valve is binding in the e. Replace the defective component. freezer door. The solenoid plunger is binding in Replace the solenoid. the coil body. Model C602 Troubleshooting...
The syrup calibration is set too c. Calibrate the syrup. low. d. The portion control sensor lens is d. Clean the lens. dirty. Model C602 Troubleshooting...
3. Worn, damaged, or cracked parts. a. Provide a food grade lubricant (Example: Taylor Lube). b. Inspect o-rings for holes or tears. O-rings, seals and other wear items must be supplied by the freezer company to meet food industry standards.
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(4.4_C). Storage temperatures above 45_F will allow cell division in as little as one hour. Once the mix is placed in the hopper, covers must be properly installed to maintain adequate refrigeration and to prevent airborne contaminants from entering the mix. Model C602 Troubleshooting...
CAUTION: Warranty is valid only if required service work is provided by an Authorized Taylor Service Technician. NOTE: Taylor reserves the right to deny warranty claims on equipment or parts if a non-approved refrigerant was installed in the machine, system modifications were performed beyond factory recommendations, or it is determined that the failure was caused by neglect or abuse.
Figure 107 ITEM DESCRIPTION WHITE BRISTLE - 1/2” x 1/2” WHITE BRISTLE - 3/16” x 1” BLACK BRISTLE - 1/4” x 1-1/4” WHITE BRISTLE - 1/2” x 1” WHITE BRISTLE - 3” x 1/2” Model C602 Parts...
Torque Coupling Assembly - X54722 Model C602 Parts 1 S CREW 039455 2 L ABEL 049285 3 C OUPLI 054724 4 P I TORQ U E CPL G 054725 5 S PRI 039454 6 0 39453 7 C OUPLI T ORQ U E...
HOSE-RUBBER 5/16 ID X 9/16 047340-16 THERMOSTAT-HI LIMIT OPEN 035786 HEATER A.-GLYCOL-4500 X47395-SER SCREW-8-32 X 3/16 SS RHM 017551 ADAPTOR-5/16 FS X 5/16 047958 BARB SCREW-6X3/8 SL HEX W HD 001825 CLAMP-HOSE 35/64 STEPLES 047344 COVER-TERMINAL HEATER 032864 Model C602 Parts...
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