Vulcan-Hart ML-126853, ML-126857, VHX24E5, MHB24E, ML-126852 Tools, Electrical, Standard, Special

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VHX SERIES STEAMERS - COMPONENT FUNCTION

Electrical

		TOTAL		AMPERAGE
	MODELS
	MODELS		1 PHASE		3 PHASE
		KW
			208V	240V	208V	240V	480V

	VHX24E,	24	116	100	67	58	29

		36	---	---	100	87	44
	VHX24E5,	36	---	---	100	87	44

		42	---	---	117	---	---
	MHB24E	42	---	---	117	---	---
	MHB24E	48	---	---	---	116	58
		48	---	---	---	116	58

NOTES: 1. Amperage values in the table are nominal. Tolerance is +5/-10%.

2.Voltage values are @ 60HZ.

3.24KW 3 phase is standard for both models. If a 24KW single phase connection is needed, the machine is

field convertible at the terminal block. See heating element circuit diagram AI1388.

TOOLS

Standard

!Standard set of hand tools.

!VOM with AC current tester.

NOTE: Any quality VOM with a sensitivity of at least 20,000 ohms per volt can be used.

Special

!The recommended deliming chemical for the water treatment system in use, for deliming of the boiler.

!Heat Exchanger Gasket (joint sealant strip, Teflon) P/N 854058-1.

!Loctite 242 thread sealant or equivalent P/N 520228. Used on the top and bottom cooking compartment door screws.

!3/8 x 16 tap. Used for cleaning out threads on front boiler flange.

F25154 (February 2004)		Page 6 of 48

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Contents VHX Boiler Base Series High Efficiency Electric Steamer VHX24E ShownTable of Contents VHX Series Steamers INSTALLATION, Operation Cleaning Introduction GeneralModel Number of Pans PAN Depth PER Compartment Inches Boiler 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 Heating ElementsBoiler Assembly Right Side View ShownDescaler Cathodic Protector Gasket Cooking Compartment DoorsRemoval HandleLatch Assembly Service Procedures and Adjustments BoilerWater Level Probe Housing Blowdown Water Level Controls TestMain Water Level Control Auxiliary Low level Cut-Off Control Cycling Pressure Switch Adjustment High Limit Pressure Switch Adjustment Boiler Fill and Cold Water Condenser Solenoid ValvesCold Water Condenser Thermostat Adjustment Intake Shut-Off Valve Adjustment Steam Flow Heating Element TestCooking Compartment Door Sealing Adjustment Door Latch AdjustmentComponent Function Reset Switch ManualElectrical Operation Cold Water CondenserCompartment Pressure Switch Blowdown/DrainSteam Solenoid Valve Component Locations Boiler Base ControlsBoiler Base Controls Cooking Compartment Controls Water Level Controls Low Level Cut-Off & Differential ControlAuxiliary Low Level Cut-Off Layout, Legend & Diagnostic Test Points Relay BoardSchematic Sequence of Operation Initial Fill and PreheatWater Refill After Initial Fill Boiler Blowdown/drainVHX Series Steamer Electrical Operation Schematics Cooking Compartment Controls Wiring Diagrams VHX Series Steamer Electrical Operation Heating Element Circuits Cooking Compartment Controls Troubleshooting Symptom Possible CausesBoiler Base Controls Symptom Possible Causes Symptom Possible Causes Cooking Compartment Controls VHX Series Steamer VHX Series Steamer Condensed Spare Parts List VHX24E, VHX24E5, MHB24EPart Number Description