VC44GD

Overview

The Vulcan Hart VC44GD is a double-deck, full-size gas convection oven for commercial kitchens. Its two oven sections provide separate cooking spaces, each heated by a 50,000 BTU/hr burner. The sections have independently operated doors, so staff can access one cavity at a time. The product information describes the oven as suitable for high-volume foodservice work, including restaurant and school kitchens.

Each porcelain enamel oven interior measures 29 inches wide by 22 1/8 inches deep by 20 inches high. The VC44GD has solid-state temperature controls, a 60-minute timer with an audible alarm, and a two-speed blower motor for each section. The oven requires a 120-volt electrical supply for its fan and controls, as well as a gas connection.

Key Features

• Two oven sections: Double-deck construction provides two independently accessible cooking cavities.
• Separate access: Two independently operated stainless steel doors have double-pane windows. Opening one door at a time can help limit heat loss.
• Temperature and timing: Solid-state controls adjust from 150°F to 500°F. Each section has a 60-minute timer with an audible alarm.
• Rack flexibility: Five nickel-plated racks per section fit into eleven rack positions, with positive rack stops.
• Convection airflow: Each oven section has a two-speed, 1/2 HP blower motor. A cool switch supports rapid oven cooldown.
• Construction: Stainless steel front, sides, top, and legs; non-sag insulation on the top, rear, sides, bottom, and doors; and porcelain enamel on steel oven interiors.
• Interior visibility: Each section has two oven lights and a double-pane door window.
• Product marks stated in the source material: NSF listed and CSA design certified.

Specifications

• Model: Vulcan Hart VC44GD
• Equipment type: Double-deck, full-size gas convection oven
• Overall width: 40 1/4 inches
• Overall depth: 41 1/8 inches including motor and door handles; 37 3/4 inches including the motor only
• Overall height: 70 inches on 8-inch legs
• Net weight: 820 pounds
• Oven interior dimensions: Two cavities, each 29 inches wide by 22 1/8 inches deep by 20 inches high
• Racks: Ten total, five per section; each rack measures 28 1/4 inches wide by 20 1/2 inches deep
• Rack positions: Eleven per section, with nickel-plated guides and positive stops
• Burners: One 50,000 BTU/hr burner per section
• Total gas input: 100,000 BTU/hr
• Gas type: Specify natural gas or propane when ordering; the oven is supplied for the specified gas type
• Gas connection: 3/4-inch rear connection with combination gas pressure regulator and safety solenoid system
• Electrical supply: 120 volts, 60 Hz, single phase, with a 6-foot cord and plug
• Electrical draw: 7.7 amps per section; 15.4 amps total
• Blower motors: Two-speed, 1/2 HP per section
• Temperature control range: 150°F to 500°F
• Timer: 60 minutes with audible alarm
• Exterior materials: Stainless steel front, sides, top, and legs
• Interior: Porcelain enamel on steel
• Doors: Stainless steel, independently operated, with double-pane windows
• Insulation: Non-sag insulation on the top, rear, sides, bottom, and doors
• Certifications/listings stated in the sources: NSF listed and CSA design certified.

Installation & Requirements

The manufacturer’s installation information identifies this appliance for commercial installation only, not home use. Before installation, check the unit’s rating plate to confirm that the electrical supply and gas type match the oven. The user manual says not to install the oven if these do not match.

The gas inlet is at the rear. The manual calls for a gas supply line at least equivalent to 3/4-inch iron pipe and a shutoff valve in the gas line ahead of the oven. The VC44GD product specifications identify a 3/4-inch rear gas connection and an integral combination regulator and safety solenoid system. The manual states that electronic-ignition ovens have a regulator integral to the gas solenoid valve and require no external regulator.

Check gas joints for leaks with a soap-and-water solution; the manual specifically warns not to use an open flame. It instructs installers to check joints before the gas valve before lighting, then check joints beyond the gas valve after the unit is lit. Gas piping receiving gas should be purged of air after leak checks. The manual also says burner air adjustment should be checked at installation, although the main burner air is adjusted before shipment.

The VC44GD requires a properly grounded electrical receptacle for its cord and plug. The manual says not to remove the grounding prong and directs users to contact an electrician if the receptacle is not the proper grounded type. A ventilation system is required for commercial cooking equipment. Do not obstruct the rear flue; the manual recommends venting flue gases outside through a ventilation system installed by qualified personnel. An optional manufacturer-supplied down-draft diverter may be used when vented to the outside.

The product spec sheet gives these clearances: for combustible construction, 0 inches at the rear, 2 inches at the right side, and 1 inch at the left side. For non-combustible construction, it lists 0 inches at the rear and both sides.

Operation

The supplied operation manual describes the VC4G-series control functions. The master switch turns the oven control circuits on or off. The thermostat controls cooking temperature, while the fan-speed switch selects high or low speed. The light switch turns the cavity lights on or off. The oven-cool setting runs the fan with the doors ajar to speed cooling.

The timer sets bake time and sounds continuously when its countdown reaches zero. The manual notes that the timer does not turn the oven off: turn the timer to OFF to stop the buzzer. The VC44GD product specification identifies a 60-minute timer and solid-state temperature controls with a 150°F to 500°F range. The manual describes an ignition light that flashes during lighting and comes on if the burner fails to ignite, along with a heat light that indicates burner or heating demand.

The double-deck arrangement lets kitchen staff cook separate loads in the two sections. Each section has its own burner, blower motor, door, lights, and five-rack capacity. The separate doors allow access to the desired section without opening both oven cavities.

Cleaning & Maintenance

The sources identify porcelain enamel on steel for the oven interiors and state that this finish supports cleaning. They do not provide a complete VC44GD cleaning procedure in the supplied excerpts, so no cleaning chemicals, schedules, or step-by-step cleaning instructions are specified here.

The service manual is prepared for trained Hobart service technicians and cautions that it is not intended for people who are not properly qualified. It directs technicians to disconnect electrical power and follow lockout/tagout procedures before servicing, and to shut off the gas before service work. The manual also covers oven lights, temperature probes, gas pressure checks, and other service components.

Troubleshooting

The service manual’s troubleshooting material covers the VC4G and VC6G oven families. The following are listed as possible causes, not user repair instructions. Because the manual is intended for trained service technicians, gas, electrical, ignition, and control-system checks should be handled by qualified service personnel.

• Burner will not maintain flame: Possible causes include a faulty igniter connection or ground, an ignition or flame-sensing problem, insufficient gas pressure, an obstructed or missing snorkel vent, or incorrect transformer polarity to the ignition module.
• Excessive or low heat: The manual lists a temperature probe or temperature control fault, insufficient gas pressure, or a plugged or obstructed gas orifice as possible causes. The probe reference applies to models that use that probe.
• Uneven cooking: Possible causes include convection fan motor speed or direction, poor combustion, incorrect gas pressure, a plugged or obstructed exhaust or snorkel vent, or missing or damaged airflow baffles.
• Intermittent operation: Possible causes listed include high ambient temperatures, loose wiring connections, or a cooling fan malfunction.
• No power to the temperature control: The manual lists the power switch being in Cool Down or an open door or door switch as possible causes.
• Ignition lockout: The ignition module can lock out if it does not prove a flame after three ignition attempts. The manual lists checking the gas supply among the technician’s diagnostic steps.

Applications

The VC44GD suits commercial foodservice operations that need two full-size gas convection oven sections in a single unit. The independent doors and section-level burners let staff access one cavity while keeping the other closed.