VHX Series Steamer Electrical Operation | Vulcan-Hart VHX24G5

VHX SERIES STEAMER - ELECTRICAL OPERATION

Page 59 of 68		F24700 (October 2001)

Image 59

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

Contents

VHX24G Shown VHX Boiler Base Series High Efficiency GAS Steamers Table of Contents VHX Series Steamers General InstallationMaintenance Cleaning Introduction Boiler Control Styles Electrical Water Conditioning SpecificationsSystem Water Supply Special ToolsGas Supply Standard VHX Series Steamers Operation Steamer OperationCabinet Base Boiler Cooking Compartment Controls Boiler Blowdown Steamer Shut OFF Ignition Control Module Component FunctionVHX Series Steamers Component Function Blowdown/Drain Pressure Relief Valve Steam Header AssemblyWater Level Water Inlet Valve manual Steam Supply Manifold Compartment Pressure SwitchSteam Solenoid Valve Manifold Pressure Gauge Cabinet Base Boiler Controls Removal and Replacement of PartsVHX Series Steamers Removal and Replacement of Parts Component Locations Cabinet Base Boiler Controls Cooking Compartment Controls Water Level Controls Main or Auxiliary LlcoRelay Board Boiler Assembly Water Level Gauge AssemblyPressure Switches 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 Gasket Cooking Compartment DoorsRemoval Handle Latch Assembly Inspection Service Procedures and AdjustmentsClean-Out Boiler 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 Cooking Compartment Doors Intake Shut-Off Valve Adjustment Steam FlowDoor Sealing Adjustment Cooking Compartment 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 Aux Water Level Satisfied State B Boiler Operational Status LED IndicatorReset Engaged State C Initial Conditions State a Burner ON, Boiler Heating to generate steam State E Air Pressure Switch Satisfied State DK32 Close K51 Close HL-LED Sequence of OperationNEW Style Controls Boiler Initial Fill and Preheat 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 Boiler Base Controls TroubleshootingVHX Series Steamer Troubleshooting Symptom Possible Causes Adjustments Boiler blowdown solenoid valve clogged and not fully closing Boiler Base Procedures and Adjustments VHX Series Steamer NEW Style Controls only VHX24G, VHX24G5, MHB24G Condensed Spare Parts ListVHX Series Steamer Condensed Spare Parts List