Manuals / Vulcan-Hart / Kitchen Appliance / Electric Steamer

Vulcan-Hart MHB24G, VHX24G5 manual VHX Series Steamer Electrical Operation

Models: VHX24G5 VHX24G MHB24G

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VHX SERIES STEAMER - ELECTRICAL OPERATION

Page 57 of 68		F24700 (October 2001)

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Vulcan-Hart MHB24G, VHX24G5 manual VHX Series Steamer Electrical Operation

Contents

VHX24G Shown VHX Boiler Base Series High Efficiency GAS Steamers Table of Contents VHX Series Steamers Installation Maintenance Cleaning IntroductionGeneral Boiler Control Styles System Water Conditioning SpecificationsWater Supply Electrical Gas Supply ToolsStandard Special Cabinet Base Boiler Steamer OperationCooking Compartment Controls VHX Series Steamers Operation Boiler Blowdown Steamer Shut OFF VHX Series Steamers Component Function Component FunctionBlowdown/Drain Ignition Control Module Water Level Steam Header AssemblyWater Inlet Valve manual Pressure Relief Valve Steam Solenoid Valve Compartment Pressure SwitchManifold Pressure Gauge Steam Supply Manifold VHX Series Steamers Removal and Replacement of Parts Removal and Replacement of PartsComponent Locations Cabinet Base Boiler Controls Cabinet Base Boiler Controls Water Level Controls Main or Auxiliary Llco Relay BoardCooking Compartment Controls Water Level Gauge Assembly Pressure SwitchesBoiler Assembly Boiler Fill and Cold Water Condenser Solenoid Valves Pilot GAS Valve Main GAS Valve Complete Burner Assembly Burner Head Assembly Heat Exchanger VHX Series Steamers Removal and Replacement of Parts Cooking Compartment Doors RemovalGasket Handle Latch Assembly Clean-Out Service Procedures and AdjustmentsBoiler Inspection Descaler Cathodic Protector Water Level Probe Housing Blowdown Test Water Level Controls Auxiliary Low level Cut-Off Control Cycling High Limit Small increments Fill and Cold Water Solenoid Valves Boiler BLOWDOWN/DRAIN Solenoid Valve Inline Water Strainer Cleaning Main Burner Ignition Checks Pressure Switch Adjustment GAS Manifold Pressure Adjustment VHX Series Steamer Service Procedures and Adjustments AIR Pressure Switch Adjustment GAS Pilot Pressure Adjustment Pressure Readings Inches W.C GAS Manifold Pressure Adjustment Terminals Ignition Control Module Checks Spark Verification Test Door Sealing Adjustment Intake Shut-Off Valve Adjustment Steam FlowCooking Compartment Cooking Compartment Doors VHX Series Steamer Electrical Operation Door Latch Adjustment Low Level Cut-Off & Differential Control Electrical Operation Auxiliary Low Level Cut-Off LED Legend Board Layout and LED Legend Reset Engaged State C Boiler Operational Status LED IndicatorInitial Conditions State a Aux Water Level Satisfied State B K32 Close Air Pressure Switch Satisfied State DK51 Close Burner ON, Boiler Heating to generate steam State E NEW Style Controls Boiler Sequence of OperationInitial Fill and Preheat HL-LED N14, N16, N17 go out N9, N10, N11, N12, N13 go out Boiler Blowdown/drain Water Refill After Initial Fill VHX Series Steamer Electrical Operation Cooking Compartment Controls This page Intentionally Left Blank Models Built After 5/25/00 New Style Boiler Controls Schematics VHX Series Steamer Electrical Operation Models Built Before 5/25/00 Old Style Boiler Controls Cooking Compartment Controls Wiring Diagrams VHX Series Steamer Electrical Operation Models Built Before 5/25/00 Old Style Boiler Controls VHX Series Steamer Electrical Operation Cooking Compartment Controls Troubleshooting VHX Series Steamer TroubleshootingBoiler Base Controls Symptom Possible Causes Adjustments Boiler blowdown solenoid valve clogged and not fully closing Boiler Base Procedures and Adjustments VHX Series Steamer Condensed Spare Parts List VHX Series Steamer Condensed Spare Parts ListNEW Style Controls only VHX24G, VHX24G5, MHB24G