Vulcan-Hart VC5ED Service Manual
Full size electric convection oven
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Also See for VC5ED:
- Service manual (31 pages) ,
- Installation & operation manual (11 pages)
Table of Contents
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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
SERVICE MANUAL
VC5ED FULL SIZE ELECTRIC
CONVECTION OVEN
VC5ED
- NOTICE -
3600 North Point Blvd Baltimore, MD 21222
F45652 (0217)
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Table of Contents
Related Manuals for Vulcan-Hart VC5ED
Summary of Contents for Vulcan-Hart VC5ED
- Page 1 SERVICE MANUAL VC5ED FULL SIZE ELECTRIC CONVECTION OVEN VC5ED - NOTICE - 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...
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Page 2: Table Of Contents
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN TABLE OF CONTENTS GENERAL ....................3 INTRODUCTION . -
Page 3: General
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - GENERAL GENERAL INTRODUCTION FEATURES TEMPERATURE MODEL CAVITY DEPTH DOORS (50/50) COOK TIMER CONTROL VC5ED 26.5" Solid State Independent Digital NOTE: Stainless steel doors with window (standard). Cleaning. https://my.vulcanfeg.com/resourcecenter/ OPERATION vulcanwolfberkel/default.aspx Refer to Installation & Operation manual for... - Page 4 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - GENERAL Standard set of hand tools. VOM with minimum of NFPA-70E CATIII 600V, UL/CSA/TUV listed. Sensitivity of at least 20,000 ohms per volt. Meter leads must also be rated at CAT III 600V.
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Page 5: Removal And Replacement Of Parts
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS REMOVAL AND REPLACEMENT OF PARTS Remove screws along right side and bottom of COVERS AND PANELS front panel. Disconnect the electrical power to the machine and follow lockout / tagout procedures. -
Page 6: Fan Cover
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS Control Panel Disconnect the electrical power to the machine and follow lockout / tagout procedures. Remove three screws on right side which secure control panel, then lift up and pull away. -
Page 7: Control Panel Components
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS Lift fan cover up and out of oven. Fig. 7 Reverse procedure to install. CONTROL PANEL COMPONENTS Disconnect the electrical power to the machine and follow lockout / tagout procedures. -
Page 8: Temperature Probe
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS TEMPERATURE PROBE Disconnect the electrical power to the machine and follow lockout / tagout procedures. Remove RIGHT SIDE PANEL. Fig. 10 NOTE: If right side - front panel is not accessible, this... -
Page 9: Blower And Motor
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS Pull elements forward, then away from right wall. Fig. 12 Reverse the procedure to install the replacement heating element. Fig. 13 BLOWER AND MOTOR Place a piece of cardboard on the bottom of the oven cavity to protect its surface from any damage during motor assembly removal. -
Page 10: Door Switch
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS NOTE: Check data plate on motor for wiring schematic. The motor must rotate clockwise when viewed from the shaft end. Fig. 15 11. Slide blower onto motor shaft until hub is flush with end of shaft then tighten bolts. -
Page 11: Door Removal
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS Remove the high limit thermostat cover/mounting plate from inside the oven cavity at the top. Fig. 17 Reverse procedure to install. DOOR REMOVAL Open door to a 90° angle. -
Page 12: Cooling Fan
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS Fig. 21 Disconnect wires. Fig. 20 Reverse procedure to install new lamp assembly. Reverse procedure to install new bulb. COOLING FAN Lamp Assembly Replacement Remove racks in cavity. - Page 13 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS Fig. 22 Loosen the tab screw holding the fan to the component panel. Rotate the tab so that the fan will clear and remove the fan. Reverse the procedure to install the replacement fan and check for proper operation.
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Page 14: Service Procedures And Adjustments
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - SERVICE PROCEDURES AND ADJUSTMENTS SERVICE PROCEDURES AND ADJUSTMENTS • If it is more than 10° Fahrenheit, then complete TEMPERATURE CONTROL following steps. CALIBRATION Remove temperature control knob. Certain procedures in this section require electrical test or measurements while power is applied to the machine. -
Page 15: Solid State Temperature Control Test
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - SERVICE PROCEDURES AND ADJUSTMENTS Place a thermocouple in the geometric center of SOLID STATE TEMPERATURE oven cavity. CONTROL TEST NOTE: Oven temperature must be below 450°F. Set the temperature control to the maximum setting. -
Page 16: Temperature Probe Test
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - SERVICE PROCEDURES AND ADJUSTMENTS TEMPERATURE PROBE TEST HEATING ELEMENT TEST Certain procedures in Certain procedures in this section require electrical test or this section require electrical test or measurements while power is applied measurements while power is applied to the machine. -
Page 17: Blower Adjustment
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - SERVICE PROCEDURES AND ADJUSTMENTS HEATING ELEMENT VALUES AMPS PER KW PER OHMS PER ELEMENT VOLT. ELEMENT ELEMENT 1 PH 3 PH 16.5 16.5 14.5 Values in the table are nominal. Tolerance is +5/-10%. -
Page 18: Electrical Operation
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION ELECTRICAL OPERATION COMPONENT FUNCTION Power Switch (S1) ..Determines the mode of operation; ON, OFF, or COOL down. Oven Light Switch Controls the oven cavity lights. (S3) .... -
Page 19: Component Location
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION COMPONENT LOCATION Fig. 27 Page 19 of 31 F45652 (0217) - Page 20 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION CONTROL PANEL ON/ OFF / COOL Switch ON / HEAT / RESET Lights Temperature Dial Digital Time Readout Timer HI / LOW Fan Setting Light ON / OFF Switch Temperature Control Board...
- Page 21 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION Fig. 28 CONTROL PANEL DIGITAL TIME READOUT Page 21 of 31 F45652 (0217)
- Page 22 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION Fig. 29 F45652 (0217) Page 22 of 31...
- Page 23 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION Fig. 30 Page 23 of 31 F45652 (0217)
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Page 24: Sequence Of Operation
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION Fig. 31 Oven doors closed (door switch contacts SEQUENCE OF OPERATION CLOSED). Oven cavity temperature below 140°F. Cook Cycle Power switch (S1) turned ON. Conditions. Power ON light (Amber) comes ON. - Page 25 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION Blower motor energized. Contacts 1 & 4 close. NOTE: Motor speed (Hi/Low) depends on position of Buzzer energized and sounds. fan speed switch (S2). NOTE: The buzzer continues to sound until the timer Component cooling fan energized.
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Page 26: Wiring Diagrams
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION WIRING DIAGRAMS 208-240V Wiring Diagram VC5ED 208-240V Wiring Diagram ASSY, TEMP, CONTROL BOARD - TEMP ASSY, TIMER BOARD ASSY, SWITCH BOARD SWITCH, TOGGLE S.P.S.T LCOE GENTLE BAKE WIRE HARNESS WIRE SET, LIMIT SWITCH... - Page 27 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION VC5ED 208-240V Wiring Diagram FUSE & HOLDER 15A TERMINAL BLOCK 3 POL CONTACTOR 40A 3 POLE MOTOR 1/3 HP. 2 SPEED G.E. LCOE OVEN LAMP, 40W, 230V WIRE NUT BLUE FAN, COOLING...
- Page 28 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION 480 VAC Wiring Diagram VC5ED 208-240V Wiring Diagram ASSY, TEMP, CONTROL BOARD - TEMP ASSY, TIMER BOARD ASSY, SWITCH BOARD SWITCH, TOGGLE S.P.S.T LCOE GENTLE BAKE WIRE HARNESS WIRE SET, LIMIT SWITCH...
- Page 29 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION VC5ED 208-240V Wiring Diagram CONTACTOR 40A 3 POLE MOTOR 1/3 HP. 2 SPEED G.E. LCOE OVEN LAMP, 40W, 230V WIRE NUT BLUE FAN, COOLING LCOE DOOR SWITCH HARNESS LCOE LIGHT GND WIRE...
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Page 30: Troubleshooting
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - TROUBLESHOOTING TROUBLESHOOTING Certain procedures in this section require electrical test or measurements while power is applied to the machine. Exercise extreme caution at all times and follow Arc Flash procedures. If test points are not easily accessible, disconnect power and follow Lockout/Tagout procedures, attach test equipment and reapply power to test. -
Page 31: Vulcan
VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - TROUBLESHOOTING SYMPTOMS POSSIBLE CAUSES Fan cover not properly seated on hooks. Convection Fan motor speed/direction. Air flow baffles (Flag, Cavity or Vertical) missing or damaged. Line voltage incorrect. High limit thermostat malfunction. Uneven Cooking.