Vulcan-Hart C24GA6, C24GA10, ML-136021, ML-136022 Troubleshooting Sequence of Operation

Page 34

C24GA SERIES CONVECTION STEAMERS - TROUBLESHOOTING

TROUBLESHOOTING

SEQUENCE OF OPERATION

STEP

FUNCTION

DESCRIPTION

1

Power On

Power Switch is switched to the on position.

 

 

 

2

Fill Stage 1

Boiler fills with fast fill water valve, (3.7 GPM).

 

 

 

3

Low Level Probe Confirmation

Low Level Probe, (LLCO), is confirmed then power is applied to

 

 

burner system, fast fill valve is turned off.

 

 

 

4

Burner Operation

Power is supplied to operating pressure switch.

 

 

 

5

Blower

Blower is turned on by operating pressure switch.

 

 

 

6

Blower Pressure Switch

Blower air pressure switch is closed when fan is up to speed,

 

 

(0.35" to 0.4" WC) and supplies 24 VAC to the ignition module.

 

 

 

7

Pilot Ignition

Module turns on spark ignition and supplies power to combination

 

 

valve pilot valve, (PV & PV/MV terminals).

 

 

 

8

Flame Sense

Flame sense probe confirms pilot flame.

 

 

 

9

Main Burner

Ignition module supplies power to gas combination control valve,

 

 

(MV & PV/MV terminals), burner ignites.

 

 

 

10

Generator Initial Heat Up

Generator heats up.

 

 

 

11

Fill Stage 2

Generator 190°F thermostat supplies signal to water level control

 

 

to continue filling with trickle valve, (0.25 GPM).

12

Generator Full

Boiler will fill till high water probe is confirmed.

 

 

 

13

Ready

Operating pressure switch activates ready light and supplies timer

 

 

motor power at 3.5 to 4.0 PSI.

 

 

 

14

Full Pressure

Generator burner system is terminated at 3.5 to 4.0 PSI.

 

 

 

15

Low Pressure

Generator burner system will turn on at 2.5 to 3.5 PSI and operate

 

 

till generator pressure reaches 3.5 to 4.0 PSI.

16

Water Level

Water level is electronically controlled between the upper and

 

 

middle probe operating the trickle fill valve, 0.25 GPM.

 

 

 

17

Cooking

Timer is set and door switch is closed power will be supplied to

 

 

steam valve, cavity drain valve relay, and cook light.

 

 

 

18

Cold Water Condensate

Thermostat located in drain assembly will supply power to cold

 

 

water condensate valve to maintain drain temp below 140°F.

 

 

 

19

End Cook Cycle

Timer supplies power to buzzer, removes power from steam valves,

 

 

cook light, & cavity drain valve relay.

 

 

 

20

Power Off

Power Switch is switched to the off position.

 

 

 

21

Power Down

Power is removed from burner and water level controls.

 

 

 

22

Drain

Power is supplied to drain timer, drain valve is powered for

 

 

approximately 16 minutes.

F35425 (February 2006)

 

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Contents Convection SteamersTable of Contents Low Level Cut-Off & Differential Control Introduction Installation Operation Cleaning SpecificationsGeneral ToolsRemoval and Replacement of Parts Covers and PanelsCabinet Base Left Side Panel Door AssemblyCooking Compartment Door Cabinet Base Rear PanelDoor Gasket Door HandleDoor Latch Assembly Compartment ControlsMain Burner Generator AssemblyGAS Combination Control Valve Covers and Panels Fill and Cold Water Solenoid Valves PILOT/SPARK Probe Flame Sensor Service Procedures and Adjustments Blower AIR Pressure Adjustment AIR Pressure SwitchPilot Burner Adjustment Operating Pressure Switch Thumb Wheel Adjustment Inlet Water/Steam Strainer Automatic Ignition Systems Spark Ignition Control TestManifold Pressure Adjustment Ignition TestCooking Compartment Latch AdjustmentControls Items Required not provided Striker AdjustmentDeliming the Generator C24GA Automatic Drain US GAL Capacity Steam GeneratorProbe Inspection Cooking Cycle TestGeneral Sequence of Operation Electrical OperationWater Level Controls Low Level Cut-Off and Differential ControlC24GA Series Convection Steamers Electrical Operation Compartment control Units after Dec Schematic Diagrams Generator Schematic DiagramSchematic Diagram Compartment Controls Standard Schematic Diagram Compartment Controls Constant Steam Component Location Cabinet Base Generator Component Function Cabinet Base Generator Drain Valve Timer Blower Air Pressure SwitchSuper Heater Assembly Hold ThermostatComponent Location Cooking Compartment Component Function Cooking Compartment Troubleshooting Troubleshooting Sequence of Operation Step Function DescriptionTroubleshooting Chart Symptom Possible CausesSymptom Possible Causes Symptom Possible Causes Condensed Spare Parts List F35425 February

C24GA6 ML-136021, C24GA10 ML-136022, C24GA6, C24GA10, ML-136021, ML-136022 specifications

The Vulcan-Hart C24GA series is renowned in the commercial kitchen industry for its high-quality performance and efficient cooking capabilities. This series includes models C24GA6 and C24GA10, which are designed with versatility and reliability at their core. These models cater to a wide range of culinary demands, ensuring that chefs can prepare a variety of dishes with ease.

The C24GA6 features six powerful burners, providing ample cooking space and heat output for busy kitchens. Its robust construction ensures durability, while an easy-to-clean stainless steel exterior makes maintenance hassle-free. The burners are designed for quick ignition, and the adjustable flame control allows for precise temperature adjustments, ideal for simmering sauces or achieving the perfect sear.

On the other hand, the C24GA10 model is equipped with ten burners, making it suitable for larger establishments that require additional cooking power. Similar to the C24GA6, it incorporates seamless stainless steel components and a design that meets the rigorous demands of a professional kitchen. Both models boast a high BTU output, ensuring that meals are prepared quickly and efficiently, which is essential during peak hours.

The C24GA series also integrates advanced technologies that enhance its functionality. The burners utilize a standing pilot ignition system, ensuring a reliable start-up every time. This technology minimizes downtime and allows chefs to focus on cooking rather than troubleshooting equipment.

In addition to the C24GA series, Vulcan-Hart offers the ML-136021 and ML-136022 models, which complement the cooking arsenal in any kitchen. These models are expertly designed to provide the same level of reliability and performance. They follow the same principles of durability and ease of maintenance that Vulcan-Hart is known for.

The ML-136021 and ML-136022 models feature streamlined designs that fit seamlessly into any workspace. With efficient heat distribution and user-friendly controls, these models are perfect for both experienced chefs and culinary students alike.

Together, the Vulcan-Hart C24GA6, C24GA10, ML-136021, and ML-136022 models represent a comprehensive cooking solution that meets the varied needs of commercial kitchens. With their powerful burners, durable construction, and advanced technologies, these units ensure top-notch performance and efficiency for all cooking requirements.
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