Vulcan-Hart C24EA3 208/240V BASIC, C24EA5 480V BASIC, C24EA5 480V PRO Professional Model

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MODEL C24EA - ELECTRICAL OPERATION

B.Time delay relay is energized through

terminals 2 & 3 for set time (90 seconds). Output (120VAC) on terminal 1.

C.Time delay relay output energizes K3 coil.

1)X1 potential to L1 of WLC board through N.O. contacts K3-5/3

2)LLCO relay K2 coil energized through closed N.O. contacts K3-5/3, WLC board N.O. contacts LLCO and N.O. contacts K3-6/4.

a.Drain Flush Solenoid enabled by closure of N.O. contacts K2-3/5.

3)Heating element and timer control circuits are disabled by opening of N.C. contacts K3-6/2.

15.Condensate Thermostat reaches 135E F cut-in temperature, contacts close. Drain water temperature is regulated through condensate thermostat.

A.Cooling Solenoid and Drain Flush Solenoid energized through cycling of Condensate Thermostat.

16.Tank water level drops below L probe.

A.Internal latching relay (ILR) de-energizes.

1)High level coil (HL) energized on WLC board. HL LED on WLC board lights.

17.Tank water level drops below LLCO probe.

A.LLCO relay K2 de-energized through opening of WLC board LLCO N.O. contacts.

1)Drain Flush Solenoid energized through N.C. contacts (K2-6/2).

2)Flush/Fast Fill Solenoid energized through N.C. contacts K2-6/2 and K2- 5/1.

3)Vacuum Relief Solenoid is energized through closed N.O. contacts K2-2/6.

18.Time Delay Relay time elapses.

A.Power (120VAC) removed from output of Time Delay Relay terminal 1.

1)All solenoids, coils and WLC board are de-energized.

Professional Model

1.Conditions

A.Steamer connected to correct voltage.

1)120VAC potential across X1 & X2 on secondary side of main transformer.

B.Steamer connected to water supply with correct water requirements.

C.Power switch is in off position.

1)Time delay relay timed out. Timer has no output on terminal 1.

D.Condensate thermostat is open.

E.High limit thermostat closed.

F.Pressure switch is closed.

G.Hold thermostat open.

H.Drain closed and steam generator tank (referred to as tank) is empty.

I.Steamer door open.

J.Timer is off.

K.Water level control (WLC) and tank properly grounded.

2.Power switch (1S) is turned on.

A.Power light (3LT - Amber) illuminates.

B.X1 potential to L1 of WLC board.

1)120VAC across L1 & L2 of WLC board.

2)High level coil (HL) energized on WLC board. HL LED on WLC board lights.

C.Fast Fill Solenoid (3SOL) energized through N.C. contacts K3-1/5, N.C. contacts WLC (LLCO) and N.C. contacts K2-5/1. Tank begins to fill with water.

3.Water level reaches Low Level Cut-Off (LLCO) probe.

A.LLCO coil is energized. LLCO LED on WLC board lights.

B.LLCO N.C. contacts open de-energizing Fast Fill Solenoid.

C.LLCO N.O. contacts close enabling timer and heating element circuits.

4.Limiting contactor coil energizes.

5.Regulating contactor coil energizes through N.C. contacts K1-1/5. Power to heating element. Tank water heats.

6.Tank water reaches 195E F. Hold thermostat contacts close.

A.Slow Fill Solenoid is energized through closure of Cycling Thermostat (3TAS) and closed WLC (HL) N.O. contacts. Tank continues to fill.

B.Relay K1 energizes. Timer circuit is enabled through closure of N.O. contacts K1-6/4 and K1-5/3.

1)Ready light (1LT - Green) illuminates.

2)Relay K4 energizes.

a.Super Heater energizes through closure of N.O. contacts K4-6/4.

b.Ready light (1LT - green) lights.

c.Latch circuit is completed by closure of N.O. contacts K4-5/3.

C.Temperature in tank is maintained at

195E F by Cycling Thermostat control of regulating contactor through N.C. contacts K1-1/5.

7.Water level reaches Low level (L) probe.

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Contents C24EA3 Basic Shown C24EA Series Atmospheric SteamersTable of Contents Steam Cooking GeneralIntroduction Models Covered208V 240V 480V SpecificationsWater Conditioning Component Lubrication Type Reference MaterialLubrication ToolsModel C24EA Covers and Panels Covers and PanelsRight and Left Side Panels TOP CoverScrew Location Rear PanelTOP Cover Removed for Clarity Model C24EA Door DoorRemoval GasketDoor Handle InstallationRemoval Removal and Disassembly Latch AssemblyAssembly Hinge Bearings Door Latch AdjustmentOpening a Jammed Door Model C24EA Drain BOX Removal and ReplacementAdjustment Drain BOXModel C24EA Cooking Compartment Cooking CompartmentProfessional Model Shown Model C24EA Cooking Compartment Model C24EA Thermostats ThermostatsHold Thermostat HIGH-LIMIT ThermostatCondensate Thermostat Model C24EA Timer TimerCovers and Panels Professional Model Shown Model C24EA Heating Element Heating ElementBasic Model Shown Overhead View of Heating Element Diagnostic ChecksTotal kW Model C24EA Super Heater Super HeaterCurrent Resistance Ohms Low Level Cut-Off & Differential Control Water Level Control ComponentsWater Level Controls Model C24EA Water Level Control ComponentsWater Level Controller WiringWater Level Control Board Water Level ProbesFiltered Water Solenoid Valve Model C24EA Water Level Control Components CleaningFiltered and NON-FILTERED Water Solenoid Valves Valve Type Machine Flow Rate GPM Fast FlowNon-Filtered Cold Water Solenoid Valve Manual Drain Valve BasicCovers and Panels View from Left Side of Steamer Drain Tank Manually Motorized Drain Valve ProfessionalModel C24EA Water Level Control Components Basic Model On/Off Switch Adjustment SWITCHES, Buzzer and SolenoidsON/OFF Switch Basic Model On/Off Switch Check Switch ActuationProfessional Models Door SwitchPressure Switch Typical Operating Pressure CheckDamage to generator tank weldment could occur Vacuum Relief SolenoidBuzzer Model C24EA Steam Generator Tank Steam Generator TankPressure Switch Component Function Electrical OperationTimer 1TR Switch 1S, PowerSwitch 2S, Door Switch 1PAS, PressureElectrical Control Panel Component LocationWater Level Control Board Front Panel Steam Generator and Back Panel Basic Model Sequence of OperationProfessional Model Model C24EA Electrical Operation Heating Element Wiring Wiring DiagramsModel C24EA Electrical Operation Model C24EA Electrical Operation Model C24EA Electrical Operation Model C24EA Electrical Operation Model C24EA Troubleshooting TroubleshootingT E S Model C24EA Condensed Spare Parts List Condensed Spare Parts ListBasic Professional Qty

C24EA5 208/240V BASIC, C24EA3 480V BASIC, C24EA5 208/240V PRO, C24EA3 480V PRO, C24EA3 208/240V BASIC specifications

Vulcan-Hart is a renowned name in the commercial kitchen equipment industry, known for producing high-quality cooking appliances. Among their range of products, the Vulcan-Hart C24EA series stands out for its versatile and efficient electric convection ovens. The C24EA5 and C24EA3 models come in varying power configurations, catering to different operational needs.

The C24EA5 480V BASIC and PRO versions offer a robust solution for high-volume cooking. The BASIC model is designed for establishments seeking an economical yet effective option, while the PRO variant incorporates advanced features for enhanced performance. Both models operate at 480 volts, allowing them to work efficiently in larger commercial kitchens with higher power supply availability. They are equipped with an efficient heating system, ensuring consistent cooking temperatures and reduced energy consumption.

On the 208/240V side, the C24EA3 BASIC and PRO models provide flexibility for kitchens with lower voltage supply. These ovens deliver reliable performance while maintaining energy efficiency. The BASIC model offers essential functionalities suitable for smaller establishments, whereas the PRO model includes features such as programmable controls and a digital display for precision cooking and ease of use.

All models in the C24EA series are constructed with durable stainless steel exteriors, ensuring longevity and ease of cleaning. The ovens feature convection heating, which circulates hot air for even cooking results. This technology allows for a variety of cooking methods, from baking to roasting, making it a versatile choice for diverse kitchen needs.

Key features include multiple cooking racks for simultaneous baking, a temperature range that accommodates various recipes, and a user-friendly control panel that allows chefs to set and monitor cooking times efficiently. Additionally, the ovens are designed with safety features like cool-touch doors and durability in high-traffic environments.

Overall, the Vulcan-Hart C24EA series offers a range of electric convection ovens that combine reliability, efficiency, and versatility, making them ideal for any commercial kitchen looking to enhance its culinary capabilities. Whether on the 480V or 208/240V power supply, these ovens ensure optimal performance tailored to the specific needs of different food service operations.
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