Manuals / Vulcan-Hart / Kitchen Appliance / Electric Steamer

Vulcan-Hart MHB24E Wiring Diagrams, Vhx Series Steamer - Electrical Operation, F25154 February

Models: ML-126852 MHB24E VHX24E5 ML-126853 ML-126857

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VHX SERIES STEAMER - ELECTRICAL OPERATION

WIRING DIAGRAMS

Boiler Base Controls

F25154 (February 2004)		Page 38 of 48

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Vulcan-Hart MHB24E manual Wiring Diagrams, Vhx Series Steamer - Electrical Operation, Boiler Base Controls, F25154 February

Contents

VHX24E SHOWN NOTICE VHX BOILER BASE SERIES HIGH EFFICIENCYELECTRIC STEAMER VHX24E ML-126852 VHX24E5 ML-126853TABLE OF CONTENTS Page 3 of VHX SERIES STEAMERSVULCAN F25154 FebruaryINTRODUCTION INSTALLATION, OPERATION AND CLEANINGGENERAL Steam CookingBoiler Code Descriptions SPECIFICATIONSWATER CONDITIONING Boiler PressureStandard TOOLSElectrical SpecialREMOVAL AND REPLACEMENT OF PARTS PRESSURE SWITCH CONTROL BOX COMPONENTSMAIN CONTROL BOX COMPONENTS WATER LEVEL GAUGE ASSEMBLY LEFT SIDE VIEW SHOWNHEATING ELEMENTS HEATING ELEMENT MOUNTING PLATE LEFT SIDE VIEW SHOWN BOILER ASSEMBLYRIGHT SIDE VIEW SHOWN LEFT SIDE VIEW SHOWN DESCALER Cathodic ProtectorLEFT SIDE VIEW SHOWN Gasket COOKING COMPARTMENT DOORSRemoval HandleLatch Assembly BOILER SERVICE PROCEDURES AND ADJUSTMENTSClean-Out InspectionMain Water Level Control WATER LEVEL PROBE HOUSING BLOWDOWNWATER LEVEL CONTROLS TEST Auxiliary Low level Cut-OffControl CYCLING PRESSURE SWITCH ADJUSTMENT HIGH LIMIT PRESSURE SWITCH ADJUSTMENT COLD WATER CONDENSER THERMOSTAT ADJUSTMENT COOKING COMPARTMENT Intake Shut-OffValve Adjustment Steam FlowHEATING ELEMENT TEST Door Sealing Adjustment Door Latch AdjustmentHigh Limit Pressure Switch Reset Switch ManualCycling Pressure Switch ELECTRICAL OPERATIONBlowdown/Drain Compartment Pressure SwitchCOOKING COMPARTMENT CONTROLS Steam Solenoid ValveCOMPONENT LOCATIONS Boiler Base ControlsPage 27 of Boiler Base Controls ContinuedVHX SERIES STEAMER - ELECTRICAL OPERATION F25154 FebruaryF25154 February Cooking Compartment ControlsVHX SERIES STEAMER - ELECTRICAL OPERATION Page 28 ofWATER LEVEL CONTROLS Low Level Cut-Off& Differential ControlAuxiliary Low Level Cut-Off Layout, Legend & Diagnostic Test Points RELAY BOARDF25154 February SchematicVHX SERIES STEAMER - ELECTRICAL OPERATION Page 32 ofSEQUENCE OF OPERATION Initial Fill and PreheatWater Refill After Initial Fill Boiler Blowdown/drainB.Alarm Buzzer de-energizedand stops buzzing 4.Time expires on timer5.Timer manually turned off A.Contacts 1/4 open VHX SERIES STEAMER - ELECTRICAL OPERATIONBoiler Base Controls SCHEMATICSVHX SERIES STEAMER - ELECTRICAL OPERATION F25154 FebruaryPage 37 of VHX SERIES STEAMER - ELECTRICAL OPERATIONCooking Compartment Controls F25154 FebruaryBoiler Base Controls WIRING DIAGRAMSVHX SERIES STEAMER - ELECTRICAL OPERATION F25154 FebruaryF25154 February VHX SERIES STEAMER - ELECTRICAL OPERATIONPage 39 of F25154 February Heating Element CircuitsVHX SERIES STEAMER - ELECTRICAL OPERATION Page 40 ofPage 41 of VHX SERIES STEAMER - ELECTRICAL OPERATIONCooking Compartment Controls F25154 FebruaryBOILER BASE CONTROLS TROUBLESHOOTINGSYMPTOM POSSIBLE CAUSESPOSSIBLE CAUSES VHX SERIES STEAMER - TROUBLESHOOTINGSYMPTOM POSSIBLE CAUSES VHX SERIES STEAMER - TROUBLESHOOTINGSYMPTOM POSSIBLE CAUSES COOKING COMPARTMENT CONTROLSSYMPTOM Page 46 of VHX SERIES STEAMERF25154 February F25154 February VHX SERIES STEAMERPage 47 of PART NUMBER CONDENSED SPARE PARTS LISTVHX24E, VHX24E5, MHB24E DESCRIPTION

WIRING DIAGRAMS

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