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Vulcan-Hart K20EL Service Manual

Electric stationary and tilting kettles
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This Manual is prepared for the use of trained Vulcan Service
Technicians and should not be used by those not properly
qualified.
This manual is not intended to be all encompassing. If you have
not attended a Vulcan Service School for this product, you should
read, in its entirety, the repair procedure you wish to perform to
determine if you have the necessary tools, instruments and skills
required to perform the procedure. Procedures for which you do
not have the necessary tools, instruments and skills should be
performed by a trained Vulcan Service Technician.
The reproduction, transfer, sale or other use of this Manual,
without the express written consent of Vulcan, is prohibited.
This manual has been provided to you by ITW Food Equipment
Group LLC ("ITW FEG") without charge and remains the property
of ITW FEG, and by accepting this manual you agree that you will
return it to ITW FEG promptly upon its request for such return at
any time in the future.
A product of Vulcan-Hart
- NOTICE -
Download from Www.Somanuals.com. All Manuals Search And Download.
SERVICE MANUAL
Electric Stationary and Tilting
Kettles
K20EL
ML-136073
K40EL
ML-136074
K60EL
ML-136075
K20ELT
ML-136077
K40ELT
ML-136078
K60ELT
ML-136079
3600 North Point Blvd Baltimore, MD 21222
F45472 (1112)

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Summary of Contents for Vulcan-Hart K20EL

  • Page 1 ITW FEG, and by accepting this manual you agree that you will return it to ITW FEG promptly upon its request for such return at any time in the future. A product of Vulcan-Hart 3600 North Point Blvd Baltimore, MD 21222 F45472 (1112)

  • Page 2: Table Of Contents

    Electric Stationary and Tilting Kettles TABLE OF CONTENTS General ....................3 INTRODUCTION .

  • Page 3: General

    MODELS COVERED Fig. 1 Electric Stationary and Tilting Kettles K20EL Stationary Kettle - 20 Gallon TOOLS K40EL Stationary Kettle - 40 Gallon Standard K60EL Stationary Kettle - 60 Gallon •...

  • Page 4: Specifications

    Amperage per Line Minimum Circuit Ampacity MODEL PHASE 208V 240V 480V 208V 240V 480V 57.7 33.3 14.4 K20EL/ELT 66.7 38.5 K40EL/ELT 50.0 43.3 21.7 K60EL/ELT K40EL/ELT 66.6 57.7 28.9 K60EL/ELT The 208/240V electric kettles are wired from the factory for a 208V 3-phase supply. If connecting to 240V 3-phase supply, the primary voltage tap on the transformer must be changed to this voltage.

  • Page 5: Removal And Replacement Of Parts

    Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS REMOVAL AND REPLACEMENT OF PARTS CONTROL BOX COVER COMPONENT PANELS Disconnect the Disconnect the electrical power to the machine and electrical power to the machine and follow lockout / tagout procedures. follow lockout / tagout procedures.

  • Page 6: Heating Contactors

    Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS TEMPERATURE CONTROLLER Disconnect the electrical power to the machine and follow lockout / tagout procedures. Remove CONTROL BOX COVER. Disconnect lead wires from temperature controller. Remove screws securing the temperature controller to panel.

  • Page 7: Main Transformer

    Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS Fig. 9 MAIN TRANSFORMER Fig. 10 HEATING ELEMENT Disconnect the electrical power to the machine and Disconnect the follow lockout / tagout procedures. electrical power to the machine and follow lockout / tagout procedures.
  • Page 8 Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS Fig. 13 Remove heating element from kettle. Fig. 11 Reverse procedure to install. Use a new heating NOTE: If liquid drained from kettle is still clean, save element seal whenever installing heating for reuse.

  • Page 9: Water Level Probe (Llco)

    Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS 10. Refill jacket with fluid. See FILLING THE RESERVOIR JACKET. 11. Remove air from reservoir jacket as outlined under VENTING. 12. Check for proper operation and leaks around heating element. WATER LEVEL PROBE (LLCO) Disconnect the electrical power to the machine and...

  • Page 10: Temperature Sensor

    Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS Check for proper operation. PRESSURE SWITCH TEMPERATURE SENSOR Disconnect the electrical power to the machine and Disconnect the follow lockout / tagout procedures. electrical power to the machine and follow lockout / tagout procedures.

  • Page 11: Potentiometer

    Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS 10. Remove air from reservoir jacket as outlined under VENTING. 11. Check for proper operation. POTENTIOMETER Disconnect the electrical power to the machine and follow lockout / tagout procedures. Remove CONTROL BOX COVER.

  • Page 12: Gearbox (Tilt Models Only)

    Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS GEARBOX (TILT MODELS ONLY) Disconnect the electrical power to the machine and follow lockout / tagout procedures. Place a pallet jack under the kettle of the unit. NOTE: Place pallet jack under kettle and not under the tubular frame.
  • Page 13 Electric Stationary and Tilting Kettles - REMOVAL AND REPLACEMENT OF PARTS Fig. 24 Lift kettle high enough to pull bearing assembly off of stand. Slide bearing assembly off of kettle shaft. Reverse procedure to install new bearing assembly. Page 13 of 29 F45472 (1112) Download from Www.Somanuals.com.

  • Page 14: Service Procedures And Adjustments

    Electric Stationary and Tilting Kettles - SERVICE PROCEDURES AND ADJUSTMENTS SERVICE PROCEDURES AND ADJUSTMENTS Certain procedures in this section require electrical test or measurements while power is applied to the machine. Exercise extreme caution at all times. If test points are not easily accessible, disconnect power and follow lockout / tagout procedures, attach test equipment and reapply power to the test.

  • Page 15: Potentiometer Test

    Electric Stationary and Tilting Kettles - SERVICE PROCEDURES AND ADJUSTMENTS POTENTIOMETER TEST THERMOCOUPLE TEST Fig. 26 Fig. 27 Remove POTENTIOMETER. Access TEMPERATURE CONTROLLER. Turn potentiometer shaft fully counterclockwise Remove thermocouple lead wires from to the lowest setting. temperature controller. Set VOM to measure resistance. Check thermocouple for a measurable Connect meter leads to the white and black lead resistance (approximately 5 to 10 ohms at room...

  • Page 16: Filling The Reservoir Jacket

    Electric Stationary and Tilting Kettles - SERVICE PROCEDURES AND ADJUSTMENTS FILLING THE RESERVOIR JACKET NOTE: The reservoir water level must be maintained high enough to submerge the heating element. If low water light comes on during use, the level may be below water level probe (LLCO) and must be replenished before heating can continue.

  • Page 17: Complete Draining And Refill

    Water Heat Transfer Model below. Volume (Qt) (Qt) Fluid (Qt) K20EL/ Add Fluid for Proper Operating Model K20ELT Level (Qt) K40EL/ K20EL / K20ELT 2.25 16.0 12.0 K40ELT K40EL / K40ELT 2.50 K60EL/ 18.0 13.5 K60EL / K60ELT 3.125 K60ELT Clean pipe plug threads and apply thread Install pipe plug and pressure gauge.

  • Page 18: Heating Element

    See table below for proper values. CURRENT PER RESISTANCE PER MODEL VOLTAGE KW PER ELEMENT ELEMENT ELEMENT (OHMS) 19.2 10.8 K20EL/K20ELT 22.2 10.8 14.4 19.2 28.8 K40EL/K40ELT 25.0 21.7 12.8 38.5 K60EL/K60ELT 33.3...
  • Page 19 Electric Stationary and Tilting Kettles - SERVICE PROCEDURES AND ADJUSTMENTS Adjust position of positive stop traveller as needed to align the shoulder screw mounting hole to the threaded hole in stop plate. Install shoulder screw. Turn crank handle to verify operation. Repeat adjustment as necessary.

  • Page 20: Electrical Operation

    Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION ELECTRICAL OPERATION COMPONENT FUNCTION Water Level Control Low water level control. Monitors condition of the WLC LLCO water level probe. Protects (WLC LLCO) ..kettle from a low water condition in the reservoir jacket and removes power from heating circuit when kettle is tilted.

  • Page 21: Component Location

    Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION COMPONENT LOCATION STATIONARY KETTLE COMPONENTS Page 21 of 29 F45472 (1112) Download from Www.Somanuals.com. All Manuals Search And Download.

  • Page 22: Water Level Control (Wlc Llco)

    Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION TILTING KETTLE COMPONENTS STATIONARY AND TILTING KETTLE BOTTOM COMPONENTS level in the kettle reservoir jacket drops below the WATER LEVEL CONTROL (WLC WLC LLCO probe. A single low level cut-off probe LLCO) (LLCO) is connected to the control.

  • Page 23: Sequence Of Operation

    Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION transformer secondary is powered through a series path to chassis ground. The other side of the transformer secondary (12VAC) is connected to the LLCO coil and the LLCO LED. The grounded potential is carried through the water in the reservoir jacket to the LLCO probe.
  • Page 24 Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION LLCO LED comes on. Regulating contactor (2CON) de- energized and powered is removed WLC LLCO N.C. contacts open. Low water from heating elements. light (2LT) (red) remains off. Kettle heat cycles with the temperature WLC LLCO N.O.

  • Page 25: Schematic Diagram

    Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION SCHEMATIC DIAGRAM Fig. 38 Page 25 of 29 F45472 (1112) Download from Www.Somanuals.com. All Manuals Search And Download.

  • Page 26: Wiring Diagrams

    Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION WIRING DIAGRAMS Fig. 39 F45472 (1112) Page 26 of 29 Download from Www.Somanuals.com. All Manuals Search And Download.
  • Page 27 Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION Fig. 40 Page 27 of 29 F45472 (1112) Download from Www.Somanuals.com. All Manuals Search And Download.
  • Page 28 Electric Stationary and Tilting Kettles - ELECTRICAL OPERATION Fig. 41 F45472 (1112) Page 28 of 29 Download from Www.Somanuals.com. All Manuals Search And Download.

  • Page 29: Troubleshooting

    Electric Stationary and Tilting Kettles - TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING SYMPTOM POSSIBLE CAUSES Limiting contactor (1CON) malfunction. Kettle does not heat, power light is lit, heat light is lit, low Regulating contactor (2CON) malfunction. water light is not lit. Heating element malfunction. Fluid level in reservoir jacket below water level probe (LLCO).
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