Vulcan-Hart VCIEC, VC6ED, VC6EC, VC4ES, VC4ED Component Location, Mechanical Temperature Control

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FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION

Temperature Probe . . . . . . . . . . . Senses the oven temperature for the solid state temperature control or the computer control. On oven models using the solid state control, converts the temperature into a resistance valve which is monitored by the temperature control board. The probe is an RTD (resistance temperature detector) of the Thermistor type. As temperature increases the resistance value decreases.

On oven models using the computer control, the probe is a "J" type thermocouple.

Mechanical Temperature Control

KX thermostat . . . . . . . . . . . . . . . Regulates the oven cavity temperature by controlling 2CON to energize the heating elements when the control calls for heat (VC4ES/6ES only).

Cooling Fan . . . . . . . . . . . . . . . . . Circulates cooler air from outside the oven to cool components in the control area.

Fuses . . . . . . . . . . . . . . . . . . . . . . Protect control circuit.

COMPONENT LOCATION

F25105 (December 2001)		Page 30 of 60

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Contents VC4E & VC6E Series VC4ED ShownTable of Contents Full Size Electric Convection Ovens General Specifications VC4ES VC4ED VC4ECVC6ES VC6ED VC6EC Removal and Replacement of Parts Covers and PanelsRemovable Components Control Panel ComponentsLeft Side Panel Covers and PanelsTemperature Probe Solid State Control Component Panel ComponentsFront Access Heating ElementsAlternate Access Blower and MotorLeft Side Elements Shown Door Switch Service Procedures and AdjustmentsDoor Window Oven Doors and Bearings Independent DoorsAssembly Removal Oven Doors Simultaneous DoorsAssembly Removal Door Catch Roller Assembly Independent DoorsDisassembly Mechanical KX ThermostatInterior Lights Lamp AssemblyHigh Limit Thermostat LampCooling FAN Service Procedures and Adjustments Solid State Temperature Control CalibrationMechanical KX Thermostat Calibration Solid State Temperature Control Test TroubleshootingTemperature Probe Test Solid State Control Temp F Ohms Amps PER Voltage KW PER Element Ohms PER Lead208 240 480 Blower Adjustment Door Adjustment Door Catch Roller Adjustment Independent DoorsDoor Switch Adjustment ProcedureIntroduction Setup mode Computer ControlOperation Probe Test Alternating onMenu Display Parameter Data Solid State Relay TestComputer Control Temperature Calibration Computer Control Operational TestCaly HEYKEY Code Restore Factory Settings SSR1 & SSR2 Electrical OperationComponent Function 1CON & 2CONMechanical Temperature Control Component LocationFull Size Electric Convection Ovens Electrical Operation Full Size Electric Convection Ovens Electrical Operation VC4EC/6EC Plug, Socket and Components Cook & Hold Standard Cook Cycle VC4ED, VC6ED with Solid State Temperature ControlSequence of Operation VC4ES, VC6ES with Mechanical KX ThermostatTimer Cycle, Cooking KX Thermostat or Solid State Control Cool Down Cycle KX Thermostat or Solid State ControlVC4EC, VC6EC Computer Control Temperature and Time Cycle Cooking Cook and Hold CycleCool Down Cycle Schematics VC4ES, VC6ES with Mechanical KX ControlsVC4ES, VC6ES with Mechanical KX Controls VC4ED, VC6ED with Solid State Temperature Control VC4ED, VC6ED with Solid State Temperature Control Full Size Electric Convection Ovens Electrical Operation VC4EC, VC6EC Computer Control, 480V Roast & Hold Standard This page Purposely Left Blank Wiring Diagrams VC4ES, VC6ES with Mechanical KX ControlFull Size Electric Convection Ovens Electrical Operation VC4ES, VC6ES with Mechanical KX Control Full Size Electric Convection Ovens Electrical Operation VC4ED, VC6ED with Solid State Temperature Control Full Size Electric Convection Ovens Electrical Operation VC4ED, VC6ED with Solid State Temperature Control Full Size Electric Convection Ovens Electrical Operation Full Size Electric Convection Ovens Electrical Operation Full Size Electric Convection Ovens Electrical Operation VC4EC, VC6EC Computer Control, 480V Roast & Hold Standard Full Size Electric Convection Ovens Electrical Operation Troubleshooting Full Size Electric Convection Ovens TroubleshootingALL Models Computer Control Models only Control Operational TestError Codes Code & Problem Probable Cause SolutionComputer Control T E S Condensed Spare Parts List Part Number Description VC4ES VC4ED VC4EC VC6ES VC6ED VC6EC