Vulcan-Hart VC5E Service Manual Download Page 29

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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

LCOE ACTUATOR HARNESS ASSY

LCOE SENSING HARNESS ASSY

LCOE WIRE SET, SF

VC5ED FULL SIZE ELECTRIC CONVECTION OVEN - ELECTRICAL OPERATION

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F45652 (0217)

Summary of Contents for VC5E

Page 1: ...d 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...

Page 2: ...L 11 HIGH LIMIT THERMOSTAT 11 INTERIOR LIGHTS 11 COOLING FAN 12 SERVICE PROCEDURES AND ADJUSTMENTS 14 TEMPERATURE CONTROL CALIBRATION 14 SOLID STATE TEMPERATURE CONTROL TEST 15 TEMPERATURE CONTROL BOA...

Page 3: ...o additional lubrication HUSKEY TF 1000 grease or equivalent high temperature non stick grease SPECIFICATIONS AMPERAGE 3 PHASE 60HZ MODEL TOTAL POWER KW PER LINE 1 RECOMMENDED CIRCUIT PROTECTION 2 208...

Page 4: ...ed at CAT III 600V 3 Clamp on type amp meter with minimum of NFPA 70E CAT III 600V UL CSA TUV listed 4 Temperature tester thermocouple type 5 ESD Electrostatic discharge Protection Kit Special 1 Gear...

Page 5: ...s near front of oven which secure bottom front cover 2 Loosen screws on left side of front panel and top cover screw 3 Remove screws along right side and bottom of front panel Fig 3 4 Slide right side...

Page 6: ...onnect the electrical power to the machine and follow lockout tagout procedures 1 Remove three screws on right side which secure control panel then lift up and pull away Fig 6 2 Disconnect temperature...

Page 7: ...Fig 8 NOTE Panel with standard controls shown COMPONENT PANEL COMPONENTS Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Remove RIGHT SIDE PANEL NOTE If right sid...

Page 8: ...ushing it through the oven wall opening 2 Fig 9 in control panel area 6 Reverse the procedure to install the replacement probe 7 Adjust the temperature control Refer to SOLID STATE TEMPERATURE CONTROL...

Page 9: ...mounting plate to the rear wall Fig 13 5 Place a piece of cardboard on the bottom of the oven cavity to protect its surface from any damage during motor assembly removal 6 Pull the motor assembly into...

Page 10: ...16 Check oven for proper operation then replace rack guides and racks DOOR SWITCH Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Remove BOTTOM FRONT COVER 2 Unsc...

Page 11: ...from high limit thermostat NOTE Remove the old RTV sealer from the cover and mating surfaces inside the oven cavity and apply new high temperature RTV sealer before installing 4 Reverse procedure to i...

Page 12: ...s 5 Reverse procedure to install new lamp assembly COOLING FAN Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Remove RIGHT SIDE FRONT PANEL NOTE If right side fr...

Page 13: ...the replacement fan and check for proper operation NOTE The fan must be installed so air is pulled from outside the rear of the oven and blown into the control area The arrow on the fan body indicate...

Page 14: ...perature when heat light goes off and comes on for at least 2 cycles 7 Calculate differential by subtracting temperature when lamp goes out from temperature when lamp comes on Differential Heat Lamp O...

Page 15: ...ING 5 If the red fault indicator comes on count the number of times it flashes and check TEMPERATURE CONTROL BOARD FAULT INDICATOR table to identify fault code TEMPERATURE CONTROL BOARD FAULT INDICATO...

Page 16: ...ain 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 no...

Page 17: ...mounting bolts and proceed to STEP 4 B If the blower is not square continue adjusting until proper spacing is achieved then tighten motor mounting bolts NOTE If necessary place shims between motor an...

Page 18: ...regulates the oven cavity temperature by controlling 1CON to energize the heating elements when the control calls for heat High Limit Thermostat Protects the oven from temperatures above 550 F by remo...

Page 19: ...COMPONENT LOCATION Fig 27 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN ELECTRICAL OPERATION Page 19 of 31 F45652 0217...

Page 20: ...dout 5 Timer 6 HI LOW Fan Setting 7 Light ON OFF Switch 8 Temperature Control Board 9 Timer Board 10 Light and Fan Speed Switch Board 11 Gentle Bake Switch 12 Fuses CONTROL PANEL DIGITAL TEMPERATURE R...

Page 21: ...Fig 28 CONTROL PANEL DIGITAL TIME READOUT VC5ED FULL SIZE ELECTRIC CONVECTION OVEN ELECTRICAL OPERATION Page 21 of 31 F45652 0217...

Page 22: ...Fig 29 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN ELECTRICAL OPERATION F45652 0217 Page 22 of 31...

Page 23: ...Fig 30 VC5ED FULL SIZE ELECTRIC CONVECTION OVEN ELECTRICAL OPERATION Page 23 of 31 F45652 0217...

Page 24: ...D High limit thermostat CLOSED E Oven doors closed door switch contacts CLOSED F Oven cavity temperature below 140 F 2 Power switch S1 turned ON A Power ON light Amber comes ON B Solid state temperat...

Page 25: ...imer to desired time A Contacts 1 3 close timer motor is energized and timing down begins 3 Time expires on Cook timer A Contacts 1 3 open timer motor is de energized and timing stops B Contacts 1 4 c...

Page 26: ...ER BOARD C ASSY SWITCH BOARD D SWITCH TOGGLE S P S T E LCOE GENTLE BAKE WIRE HARNESS F WIRE SET LIMIT SWITCH G LCOG DOOR SWITCH 2HP H BLOCK PORCELAIN ASSEMBLY J LIMIT CONTROL 550F K LCOE ELEMENT ASSY...

Page 27: ...E R LCOE OVEN LAMP 40W 230V S WIRE NUT BLUE T FAN COOLING U LCOE DOOR SWITCH HARNESS V LCOE LIGHT GND WIRE W LCOE ACTUATOR HARNESS ASSY X LCOE SENSING HARNESS ASSY Y LCOE WIRE SET SF Z TRANSFORMER 480...

Page 28: ...D SWITCH TOGGLE S P S T E LCOE GENTLE BAKE WIRE HARNESS F WIRE SET LIMIT SWITCH G LCOG DOOR SWITCH 2HP H BLOCK PORCELAIN ASSEMBLY J LIMIT CONTROL 550F K LCOE ELEMENT ASSY 12KW L PROBE THERMISTOR M FUS...

Page 29: ...D G E R LCOE OVEN LAMP 40W 230V S WIRE NUT BLUE T FAN COOLING U LCOE DOOR SWITCH HARNESS V LCOE LIGHT GND WIRE W LCOE ACTUATOR HARNESS ASSY X LCOE SENSING HARNESS ASSY Y LCOE WIRE SET SF VC5ED FULL SI...

Page 30: ...Door switch malfunction 2 Fan speed switch S2 malfunction 3 Interconnecting wiring malfunction 4 Motor inoperative Blower motor doesn t run in Cool Down but runs OK in ON position 1 Power switch S1 m...

Page 31: ...rrect 2 Control circuit fuses OPEN 3 Power switch S1 inoperative 4 Transformer inoperative 480V only No heat convection fan motor runs 1 High limit thermostat OPEN 2 Temperature probe malfunction 3 He...

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