Vulcan-Hart VL3GAS, VL3GMS, VL2GMS, VL2GAS, VL2GSS, VL3GSS Boiler Assembly High Limit Thermostat

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VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTS

BOILER ASSEMBLY

 

HIGH LIMIT THERMOSTAT

WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

WARNING: SHUT OFF THE GAS BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH A SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME.

1.Blow down the boiler and allow to cool, if necessary.

2.Ensure that all utilities to the steamer are off and disconnected. Drain any excess water from the boiler.

3.Disconnect the steam supply line, power leads and drain lines from the cooking compartment top to the boiler base.

4.Disconnect all plumbing connections and power leads from the components inside the control boxes that would obstruct the removal of the boiler through the front of the base, then remove those control boxes.

5.Disconnect the remaining plumbing and electrical connections from the boiler to the controls.

6.Remove the screws holding the flue and flue collector to the base.

7.Remove the anchor screws holding the boiler to the frame. Slide the boiler forward. The burner box, anchored only by the boiler, must be prevented from sliding forward with the boiler.

8.Reverse procedure to install a new boiler and check for leaks and proper operation.

WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1.Open the cabinet base doors.

2.Electric models only - for gas models proceed to step 3.

A.Newer Models - are not equipped with a hi limit thermostat but rely on the Hi limit pressure switch instead.

B.Older Models - the high limit thermostat is located behind the contactor box cover. On electric boilers with two heating elements, the thermostat is connected to one of the heating element lugs. On electric boilers with four heating elements, the thermostat is located on an aluminum plate between the center pair of elements at the top of the elements. Remove the thermostat lead wires and mounting nuts, replace thermostat and check for proper operation.

3.Gas Models only.

A.Remove the thermostat cover which is located on the front of the boiler. Disconnect the thermostat lead wires and remove the nuts securing the high limit thermostat to the boiler surface.

4.Reverse procedure to install and check for proper operation.

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Contents VL Boiler Base Series Convection Steamers Table of Contents VL Series Steamers Introduction Water ConditioningSpecifications ToolsGas Steamers Electric SteamersRegenerated Steam Powered Boiler Gas Powered Steam BoilerElectrically Powered Steam Boiler Steamer OperationAutomatic blowdown Direct Steam Powered CookerBoiler Blowdown and Steamer Shut off Manual blowdownStandard Automatic Prevent High Limit Pressure Switch Water Level Gauge AssemblyCycling Pressure Switch Power SwitchBoiler Pressure Gauge Handhole Cover AssemblyDelime Port Assembly Check ValveThermal Switch Load Compensator Compartment Power SwitchCooking Timer Cooking Light RedRemoval and Replacement of Parts VL Series Steamers Removal and Replacement of Parts Cooking Compartment Controls Component Configurations Solid State Water Level Gauge AssemblyWater Level Controls LOW Level CUT OFF and Differential Electro MechanicalBoiler Assembly High Limit Thermostat GAS Combination Control Valve Boiler Fill and Cold Water Condenser Solenoid ValvesDoor Screw Nut Compartment Gasket and Door Screw NUT, Door and BushingsGasket Door and BushingHeater Contactors Steam CoilHeating Elements Clean-Out All Boiler Models BoilerInspection Deliming Only Models with Deliming Port Assembly Water Level Controls Test Solid State Low level Cut-Off & Differential ControlElectro Mechanical Low level Cut-Off & Differential Control Water Level Probes Compartment Pressure Adjustment DisassemblyFill and Cold Water Solenoid Valves Boiler not Filling with Water Boiler Blowdown Drain Solenoid ValveOlder Models Boiler Slow to PressurizeNewer Models All Models With BoilerDirect Steam Models Inlet Water StrainerElectric Models Regenerated Steam Coil SteamersVL Series Steamer Service Procedures and Adjustments Air Shutter Adjustment GAS BurnersAutomatic Ignition Systems GAS Models Terminals Spark Ignition Control TestGAS Manifold Pressure Adjustment Direct Steam Models Regenerated Steam Older Models Heater ContactorsVL Series Steamer Service Procedures and Adjustments Thermal Switch Prevent Automatic Models Steam Gate Valves Electrical Operation Water Level ControlsSolid State Auxiliary Low Level Cut-Off Electro Mechanical Low level Cut-Off & Differential Control Electro Mechanical Auxiliary Low Level Cut-Off Sequence of Operation Initial Fill and PreheatVL Series Steamer Electrical Operation Cook Cycle Water Refill After Initial FillElectric Models Boiler Blowdown/drainCook Cycle Water Refill After Initial Fill Purposely Left Blank Manual Ignition, Standard Controls Electronic Ignition, Standard Controls Manual Ignition, CSD-1 Code Controls Electronic Ignition, CSD-1 Code Controls VL Series Steamer Electrical Operation Manual Ignition, Standard Controls VL Series Steamer Electrical Operation Electronic Ignition, Standard Controls VL Series Steamer Electrical Operation Manual Ignition, CSD-1 Code Controls VL Series Steamer Electrical Operation Electronic Ignition, CSD-1 Code Controls VL Series Steamer Electrical Operation Auto Blowdown, Standard Controls Auto Blowdown, Cal-Code Controls Auto Blowdown, Standard Controls contactor 1 std VL Series Steamer Electrical Operation Auto Blowdown, Standard Controls contactors 2 std VL Series Steamer Electrical Operation Manual Blowdown, Cal-Code Controls contactors 1 std aux VL Series Steamer Electrical Operation Auto Blowdown, Cal-Code Controls contactors 1 std aux VL Series Steamer Electrical Operation Auto Blowdown, Cal-Code Controls contactors 2 std aux VL Series Steamer Electrical Operation Manual Blowdown, Cal-Code Controls contactors 2 std aux VL Series Steamer Electrical Operation Standard and Cal-Code/CSD-1 Controls See Schematic and Wiring Diagrams Compartment Controls Manual Blowdown Older Models Auto Blowdown Older Models Schematic and Wiring Diagrams Compartment Controls Automatic Standard Manual Troubleshooting ALL ModelsContacts not closing to power boiler fill solenoid Schematic and Wiring Diagrams Symptom Possible Causes GAS Models onlyPilot not adjusted correctly. See Pilot

VL2GPS, VL3GPS, VL3GSS, VL2GSS, VL2GAS specifications

Vulcan-Hart is well-known in the commercial cooking equipment industry, providing durable and efficient products that cater to the needs of restaurants and foodservice operations. Their line of griddles, namely the VL3GAS, VL3GPS, VL3GMS, VL2GAS, and VL2GPS, showcases their commitment to high-quality performance and innovative cooking technologies.

The Vulcan-Hart VL3GAS is a gas griddle, featuring a robust stainless steel construction that ensures longevity and resilience in a bustling kitchen environment. It offers a smooth, hot cooking surface that allows for optimal heat retention and distribution, ensuring that food cooks evenly. With a 3/4-inch thick steel plate, it provides excellent thermal conductivity, making it ideal for high-volume cooking. This model is designed with easy-to-use controls, which makes it convenient for chefs to operate.

The VL3GPS model is a gas-powered griddle that comes equipped with a patented grease management system, which aids in maintaining a cleaner cooking environment. This system helps to separate grease from food and minimizes flare-ups, enhancing safety during cooking. Additionally, the griddle features a temperature control that allows chefs to set precise cooking temperatures, ensuring consistent results.

Moving to the VL3GMS, this model introduces increased versatility with its combination of gas and optional electric features. It’s tailored for establishments that require flexibility in their cooking strategies. The VL3GMS is also designed with a spacious cooking surface, making it suitable for preparing a wide array of dishes simultaneously.

The VL2GAS is a two-burner gas griddle that is specifically tailored for smaller kitchen operations or those with limited space. Its compact design does not compromise on performance, still providing a durable cooking surface and reliable temperature control. This model is ideal for smaller cafes or food trucks where space is at a premium.

Lastly, the VL2GPS complements the VL2GAS with its grease management system. This enhances hygiene and ensures that cooking remains efficient and safe. Both VL2 models offer easy startup and shutdown procedures, making them user-friendly for chefs working in fast-paced environments.

Overall, the Vulcan-Hart VL series griddles combine quality construction, innovative technology, and efficient design. Whether it’s the three-burner or two-burner options, these griddles meet the demands of commercial kitchens, providing reliable cooking solutions that serve the dynamic needs of the foodservice industry.
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