Vulcan-Hart VC4ED, VCIEC, VC6ED, VC6EC, VC4ES, VC6ES service manual General

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FULL SIZE ELECTRIC CONVECTION OVEN - GENERAL

GENERAL

INTRODUCTION

Procedures in this manual will apply to all models unless specified. Pictures and illustrations can be of any model unless the picture or illustration needs to be model specific.

Models

			FEATURES				OPTIONS
MODEL
MODEL		CAVITY	TEMPERATURE	DOORS		COOK	COOK	COOK &
		DEPTH	CONTROL	(50/50)		TIMER	TIMER	HOLD

VC4ES 4		26.5"	Mechanical (KX)	Independent 1, 2		1-Hour Dial	5-Hour Dial	N/A
VC4ED		26.5"	Solid State	Independent 1, 3		1-Hour Dial	5-Hour Dial	N/A
VC4EC		26.5"	Computer	Independent 1, 3		24-Hour Digital	Built in	Built in
VC6ES 4		30.5"	Mechanical (KX)	Independent 1, 2		1-Hour Dial	5-Hour Dial	N/A
VC6ED		30.5"	Solid State	Independent 1, 3		1-Hour Dial	5-Hour Dial	N/A
VC6EC		30.5"	Computer	Independent 1, 3		24-Hour Digital	Built in	Built in
NOTES:	1.	Simultaneous doors are optional (with or w/o window).
	2.	Stainless steel doors w/o window (standard).
	3.	Stainless steel doors with window (standard)
	4.	In February 2001, this model was discontinued.

INSTALLATION

Refer to the Instructions Manual for detailed installation instructions on single or stacked ovens.

OPERATION

Refer to the Instructions Manual for specific operating instructions.

CLEANING

Refer to the Instructions Manual for specific cleaning instructions.

LUBRICATION

Cavity blower motor has sealed bearings and

requires no additional lubrication.

Huskey’s TF1000 grease or equivalent high temperature Teflon grease.

TOOLS

Standard

Standard set of hand tools

VOM with A.C. current tester (Any quality VOM with a sensitivity of at least 20,000 ohms per volt can be used)

Gear Puller to remove blower

Temperature tester (thermocouple type)

Special

Manometer

Clamp on amp meter

Spring force gauge, pull type with a minimum 30

pound full scale range (purchase locally)

RTV sealant, 736 DOW silicone high temp (P/N 542133) or equivalent

F25105 (December 2001)		Page 4 of 60

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Contents VC4E & VC6E Series VC4ED ShownTable of Contents Full Size Electric Convection Ovens General VC4ES VC4ED VC4EC SpecificationsVC6ES VC6ED VC6EC Removal and Replacement of Parts Covers and PanelsControl Panel Components Left Side PanelRemovable Components Covers and PanelsTemperature Probe Solid State Control Component Panel ComponentsFront Access Heating ElementsBlower and Motor Alternate AccessLeft Side Elements Shown Door Switch Service Procedures and AdjustmentsDoor Window Oven Doors and Bearings Independent DoorsAssembly Removal Oven Doors Simultaneous DoorsDoor Catch Roller Assembly Independent Doors DisassemblyAssembly Removal Mechanical KX ThermostatLamp Assembly High Limit ThermostatInterior Lights LampCooling FAN Service Procedures and Adjustments Solid State Temperature Control CalibrationMechanical KX Thermostat Calibration Troubleshooting Solid State Temperature Control TestTemperature Probe Test Solid State Control Amps PER Voltage KW PER Element Ohms PER Lead Temp F Ohms208 240 480 Blower Adjustment Door Adjustment Door Catch Roller Adjustment Independent DoorsProcedure Door Switch AdjustmentIntroduction Computer Control Setup modeOperation Alternating on Menu Display Parameter DataProbe Test Solid State Relay TestComputer Control Temperature Calibration Computer Control Operational TestHEY CalyKEY Code Restore Factory Settings Electrical Operation Component FunctionSSR1 & SSR2 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 VC4ED, VC6ED with Solid State Temperature Control Sequence of OperationCook Cycle VC4ES, VC6ES with Mechanical KX ThermostatCool Down Cycle KX Thermostat or Solid State Control Timer Cycle, Cooking KX Thermostat or Solid State ControlVC4EC, VC6EC Computer Control Cook and Hold Cycle Temperature and Time Cycle CookingCool 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 Full Size Electric Convection Ovens Troubleshooting TroubleshootingALL Models Computer Control Models only Control Operational TestCode & Problem Probable Cause Solution Error CodesComputer Control T E S Condensed Spare Parts List Part Number Description VC4ES VC4ED VC4EC VC6ES VC6ED VC6EC