INSTALLATION & OPERATION MANUAL

VC SERIES

ELECTRIC CONVECTION OVENS

MODEL

VC4ED              ML-126744

VC4EC             ML-126745

VC6ED           ML-126747

VC6EC          ML-126748

Model VC4ED

Installation, Operation and Care of VC SERIES

ELECTRIC CONVECTION OVENS

KEEP THESE INSTRUCTIONS FOR FUTURE USE

Your Vulcan Electric Convection Oven is produced with quality workmanship and material. Proper installation, usage and maintenance of your oven will result in many years of satisfactory performance.

The manufacturer suggests that you thoroughly read this entire manual and carefully follow all of the instructions provided.

GENERAL

The VC Series Electric Convection Ovens feature a 500°F thermostat, timer, porcelain interior and a two-speed, 1/2 HP blower motor as standard equipment. Ovens equipped with standard voltages are 208 or 240 V, 60 Hz, single- or three-phase. Ovens equipped for 480 V, 60 Hz, single- or three-phase electrical specifications are optional.

The VC Series Oven is a single cavity oven furnished with five racks. Independently opening doors are standard; simultaneously opening doors with chain mechanism underneath are optional. Oven lights with on-off switch are standard on all models.

An open stand with lower storage rack is available as an option.

Stacked ovens are furnished with either Stacking Kit 426983G1 (8″ LEGS) or Stacking Kit 426984G1 (CASTER) for mounting one oven on top of the other.

Additional racks are available as accessories. Features of the models are shown below:

FEATURES & OPTIONS

* With Two Stacked Ovens Only.

UNPACKING

INSTALLATION

Immediately after unpacking the oven, check for possible shipping damage. If the oven is found to be damaged, save the packaging material and contact the carrier within 15 days of delivery.

Prior to installation, verify that the electrical service agrees with the specifications on the oven data plate, located on the inside of the top front cover.

Do not use the doors or their handles to lift the oven.

LOCATION

The installation location must allow adequate clearances for servicing and proper operation. For solid state and digitally controlled models, there must be 18″ (45 cm) of clearance on the right side of the oven from any open flame.

INSTALLATION CODES AND STANDARDS

In the United States, install the oven in accordance with: 1) State and local codes; 2) National Electrical Code, NFPA-70 (latest edition) and 3) NFPA Standard #96, Vapor Removal from Cooking Equipment (latest edition), available from National Fire Protection Association, Batterymarch Park, Quincy, MA 02269.

In Canada, install the oven in accordance with: 1) Local codes; 2) Canadian Electrical Code, CSA Standard C22.2 No. 1 (latest edition) and 3) Canadian Standard for Commercial Cooking Equipment CSA Standard C22.2 No.109 (latest edition).

INSTALLING BASIC OVEN

The basic oven must be installed on legs or mounted on a modular stand. Installations on concrete bases or other supports restricting air circulation underneath the oven is not advisable and may void the warranty. If using the modular stand, set the oven on the stand after unpacking.

ASSEMBLING THE LEGS TO THE SINGLE OVEN

The legs must be installed on the bottom of the oven. Gently position the oven on its left side, taking care not to cause scratches or damage.

Attach each of the four leg assemblies to the bottom of the oven with the 24 bolts and lockwashers (six bolts and lockwashers per leg). Carefully raise the oven to its normal position.

LEVELING

Adjust the legs to ensure that the oven racks are level in the final installed position.

CASTERS

If the oven is to be installed on casters, assemble the casters to the legs provided. Then attach the caster-leg units to the oven at each corner using the 24 bolts and lockwashers (six bolts and lockwashers per leg). Place the locking casters on the front legs and nonlocking casters on the rear legs.

ASSEMBLING THE STAND TO THE OVEN

Attach each of the four leg assemblies to the bottom of the oven with the 24 bolts and lockwashers (six per leg). Carefully raise the oven to the normal position.

Attach the undershelf to the legs with eight bolts and lockwashers (two per leg).

Install the rack guides into the shelf at the desired locations (for pan or flat rack), then attach the rack supports to the top end of the rack guides. Attach rack supports to the leg assembly by removing one middle bolt and reattaching the back through the end holes in the rack support (Fig. 2).

ELECTRICAL CONNECTIONS

WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE ANSI/NFPA70 (LATEST EDITION) AND/OR OTHER LOCAL ELECTRICAL CODES.

WARNING: DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATE THAT YOU ARE WORKING ON THE CIRCUIT.

Remove the wiring compartment cover on the front of the oven. Remove the appropriate knockout on the bottom of the oven and attach the power supply conduit to the bottom of the oven.

Comply with the appropriate wiring diagram (located inside the right side panel) when making connections to the electrical supply lines.

Replace the wiring compartment cover and right side panel. Turn on the power supply.

ELECTRICAL DATA

ASSEMBLING STACKED OVENS

Unpack the ovens and the stack kit. Position the oven to be used as the bottom oven on its left side for access to the oven bottom, taking care not to scratch or damage it.

Attach the four leg assemblies with the 24 bolts and lockwashers (six per leg).

Place the lower oven (with legs) on the floor and remove two 7/16″ (11 mm) diameter knockouts on each side of the top cover.

Install two locating studs to the bottom of the top oven per stacking kit instructions.

Move the oven with legs to the installed position. Place the upper oven on top of the lower oven using the locating studs.

Remove the optional rear panel, if provided, from the TOP oven. Install the Stacking Flue (Fig. 3) with the four screws provided. Replace the top oven rear panel, if provided.

ELECTRICAL CONNECTIONS (Stacked Ovens)

WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER LOCAL ELECTRICAL CODES.

WARNING: DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATE THAT YOU ARE WORKING ON THE CIRCUIT.

Make sure that the electrical power supply agrees with the specifications on the oven data plate, the wiring diagram on the oven and Electrical Data, page 5.

1. Wires to connect both ovens are provided with each oven. Carefully route these leads from the top oven through the bushing (supplied with the stacking kit) through the electrical access knockout holes common to both ovens.
2. Connect wires X, Y and Z from the upper oven to the lower oven per the wiring diagram using wire nuts provided. Attach the power supply conduit to the bottom of the lower oven. Connect the power supply leads to the line side of the terminal block on the bottom oven.
3. Finally, inspect and check all wiring and terminal connections for tightness or pinch points (cover on oven frame).
4. Refer to reference drawing 426986 supplied with the stacking kit for electrical connection instructions.
5. Refer to instructions supplied with the stacking kit for marking the combined electrical load information to the electrical data plate of the bottom oven.

OPERATION

WARNING: THE OVEN AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING, CLEANING OR PERFORMING ANY MAINTENANCE.

CONTROLS — MODELS VC4ED/VC6ED

MOISTURE VENT DAMPER        – Open the damper to exhaust excess moisture. Close the damper when cooking dry products. Select settings between OPEN and CLOSED                                                                                    for optimum performance.

MASTER SWITCH                               – ON – Turns oven control circuits on.

                                                                        – OFF – Turns oven control circuits off.

                                                                        – OVEN COOL – Allows the fan motor to run with the doors ajar to speed oven cooling.

ON LIGHT (Amber)                             – Lit when MASTER SWITCH is turned to ON.

HEAT LIGHT (White)                         – Comes on and goes off when the heating elements cycle on and off. TEMPERATURE – Controls oven temperature.

TIMER                                                        – Use to set the cooking time. Alarm sounds continuously when time has elapsed to 0. Turn the timer OFF to silence the alarm. The timer does                                                                             not turn the oven off. Keep timer set to OFF when the oven is not in use.

FAN SPEED                                             – Adjust air velocity in the oven cavity.

HI                                                                  – Normal operating speed.

LOW                                                            – Use this setting when cooking a delicate product like meringue, which could blow around in the oven.

LIGHTS                                                     – ON – Turns the interior lights on.

                                                                      – OFF – Turns the interior lights off.

BEFORE FIRST USE (All Models)

Before using the oven for the first time, it must be burned off to release any odors that might result from heating the new surfaces in the chamber.

1. Using a clean damp cloth, wipe the inside of the oven, including the racks.
2. Close the oven doors, turn the MASTER SWITCH to ON, turn the Thermostat to 300°F (149°C) and allow the oven to cycle for 6 to 8 hours before turning the MASTER SWITCH to OFF.

USING MODELS VC4ED/VC6ED

Preheating

1. Turn MASTER SWITCH to ON. Amber ON light will come on, indicating that power to oven is on.
2. Set Thermostat as desired. Refer to COOKING GUIDELINES for suggested temperatures and times for various products.
3. Prepare product and place in suitable pans. When white HEAT light goes off, oven has reached desired preheat temperature.

Cooking

1. Open doors and load the product into the oven. Place pans in the center of the racks. Close doors.
2. Set the Timer. After the preset time lapses, turn Timer to OFF position to stop alarm.
3. When product is done, open doors and carefully remove cooked product from the oven. Care should be taken when wiping up any spills, as oven is still hot.

End of Day

1. Turn Thermostat to OFF.
2. Turn MASTER SWITCH to OVEN COOL. Leave doors open while the fan is on to cool the oven.
3. When oven has cooled sufficiently, turn MASTER SWITCH to OFF and clean the oven.

CONTROLS — MODELS VC4EC/VC6EC

Always displays [HR:Min] when setting the Time.

Displays [HR:Min] if the countdown Time is more than 1 Hour. Displays [Min:Sec] if the countdown Time is less than 1 Hour. Displays Temperature in °F.

Indicates the oven is in the Roast and Hold Mode.

Indicates the oven is preheated and ready for cooking.

Indicates the oven is preheating.

Primary indicates Menu Items 1, 3 or 5.

Secondary indicates Menu Items 2, 4 or 6.

Up arrow increases and Down arrow decreases a displayed Time or Temperature value (if arrow keys are lit).

TEMPERATURE: Use with SET to set the oven temperature.

SET: Use with Time or Temperature.

TIME: Use with SET to manually set the time.

Selects Roast & Hold mode; also selects Low Fan Speed.

Press once to start; press a second time to stop.

Press once for Primary Menu Items (1, 3 or 5).

Press a second time for Secondary Menu Items (2, 4 or 6).

Rack Buttons select individual Menu/Rack Number Cook Times — once programmed.

MANUALLY SETTING THE TEMPERATURE AND COOK TIME

To Set the Temperature

1. Press the SET button. Press the TEMPERATURE button; StPt displays to indicate Setpoint.
2. Use the Up and Down arrow keys to increase or decrease the displayed Temperature value.
3. Press the SET button again to save the Temperature setpoint in the computer.

To Set the Cook Time

1. Press the SET button. Press the TIME button. Tine displays to indicate TIME.
2. Use the Up and Down Arrow keys to increase or decrease the displayed Cook Time (HR:Min).
3. Press the SET button again to save the Time setting in the computer.

To Start Cooking

1. Press the START/STOP button.
2. The manual Cook Time counts down to 00:00. Displays [HR:Min] above 1 hour; [Min:Sec] below.
3. The buzzer will sound. To silence the buzzer, press the START/STOP button again.
4. The control retains the manual settings for Temperature and Time.

TO PROGRAM MENU ITEM AND RACK NUMBER COOK TIMES

Factory Preset and Programmable Cook Times are shown in the table, below:

The Primary indicator light with Menu 1/2 selects Menu Item 1 (Factory Preset Cook Time = 10 minutes). The Secondary indicator light with Menu 1/2 selects Menu Item 2 (Factory Preset Cook Time = 15 minutes). This is similar, for Menu Buttons 3/4 or 5/6. Any menu item cook time can be changed using the procedure below. Rack number Cook Times may be programmed if desired but are not required.

To Change the Time Setting for any Menu Item (1 – 6)

1. To enter program mode, press and hold the Up and Down arrow buttons until PrOG displays.
2. Select the Menu Item to be programmed (1 – 6). Tine displays to indicate TIME. Use the Up and Down arrow buttons to increase or decrease the Menu Item’s COOK TIME. Repeat this step for any other Menu Items.
3. Press the START/STOP button; LOC displays. Press the START/STOP button a second time to save the Menu Item(s)’ COOK TIME(s).
4. Press the START/STOP button once to begin cooking (with the Menu Item’s Cook Time). To exit, press the START/STOP button a second time.

To Program Individual Rack Number Cook Times for a Menu Item

1. To enter program mode, press and hold the Up and Down arrow buttons until PrOG displays.
2. Select the Menu Item to be programmed (1 – 6); Tine displays to indicate TIME.
3. Then select the rack number (1 – 5). [t 1] indicates rack 1; [t 2] indicates rack 2 and so on. Use the Up and Down arrows to increase or decrease the COOK TIME for any rack number.
4. Press the START/STOP button; LOC displays. Press the START/STOP button a second time to save the Menu/Rack Number’s COOK TIME(s).
5. To exit program mode, press START/STOP twice.

Always Set the Temperature Before Setting the Time

1. Press the SET button. Press the TEMPERATURE button; StPt displays. Use the Up and Down Arrow keys to increase or decrease the temperature. To save, press the SET button again.

At startup, the display will initially show a GROWING BAR. When the oven temperature reaches the Set Point, the set temperature displays. The READY light is lit, the HEAT light goes out and the oven is ready for you to select the Cook Time, Menu Item Cook Time or Menu/Rack Number Cook Time.

Starting a Timed Cycle On All Racks

1. Open the door; door will display.
2. Place the desired product on any of the five racks.
3. Close the door. The display should return to the set temperature or the GROWING BAR.
4. Press the Menu Key once for Primary or twice for Secondary to select a Menu Item Cook Time.
5. Press the START/STOP button. Pressing the START/STOP button after making a menu selection will time all racks for the selected menu time.
6. The timer will count down the time remaining for the Menu Item Cook Time.
7. When the time has counted down to 00:00, the buzzer will sound and all Rack Buttons will flash.
8. To silence the buzzer, press the START/STOP button.

Starting a Timed Cycle Using Programmed Individual Menu/Rack Number Cook Time(s)

1. After the set temperature is reached, open the door; door displays. Place product(s) in oven.
2. Close the door. The display returns to the set temperature or the GROWING BAR.
3. Select the Menu Item (once for Primary or twice for Secondary) and the Rack Number to select the Menu/Rack Number Cook Time. If using simultaneous cook times, select the other Menu/ Rack Number’s.
4. The timer selects the rack number with the shortest cook time and counts down to 00:00.
5. The buzzer sounds and the rack number flashes. To silence the buzzer, press the flashing Rack Number.
6. Open the door; door displays. Remove the finished product and close the door.
7. The next shortest cook time displays, its rack number flashes and the time counts down to 00:00.
8. The buzzer sounds. Press the flashing Rack Number. Open the door; door displays. Remove the product and close the door.
9. Repeat steps 7 through 8 until all rack number’s are done.

To Display the Actual Oven Temperature

1. Press and hold the Temperature button for three seconds to display Actual Oven Temp until released.

To End a Cooking Cycle

At the end of a cooking cycle, the alarm will sound. To silence the alarm and end a Menu Item cooking cycle, press START/STOP. To silence the alarm and end a rack number cooking cycle, press the Rack Number.

To cancel a cooking cycle which might have been started in error, press and hold the Rack Number button to be terminated and press START/STOP at the same time.

Door and Timing

Opening the door while loading additional product will interrupt all timing functions until the door is closed and the timer resumes. For example, if a product time had diminished to 1 minute and the door was opened for 30 seconds and then closed, the timer would still show 1 minute.

SETTING THE OVEN FOR ROAST & HOLD

1. Press the ROAST & HOLD button to select Roast & Hold.
2. Set the first stage Temperature and the Cook Time as described in: MANUALLY SETTING THE TEMPERATURE AND COOK TIME. Press START/STOP to begin cooking.
3. The HOLD Temperature is preset by the computer control at 150°F (66°C).
4. The LOW FAN SPEED is present during Roast & Hold. Use Roast & Hold to select LOW FAN SPEED.

ROAST & HOLD OPERATION — Models VC4EC and VC6EC

Roast & Hold cooks the product in two stages. During First Stage Cooking, the oven temperature is regulated by the Temperature setpoint and the Time setting. After the time counts down to 00:00, Second Stage Cooking begins. During Second Stage Cooking, the heating elements are off as the temperature in the oven declines to the Hold Temperature. The doors should remain closed during Second Stage Cooking.

When the Hold temperature is reached, the display flashes HOLD. Temperature in the oven will be maintained at the Hold temperature until the oven is turned off.

PROPER UTENSILS

The use of proper utensils can enhance oven operation. Medium and lightweight pans allow the product to warm faster. Roast meats in shallow pans deep enough to hold all juices yet allow free air circulation.

OPERATING HINTS

When using the convection oven for the first time with a particular food, check the degree of doneness periodically before the suggested time has elapsed. This will ensure the desired doneness is achieved.

Record your temperature and time settings for various products. The convection oven can provide consistent and repeatable results.

The convection oven is faster than conventional deck-type ovens; temperature settings are lower and cook times are shorter. Since recipes and foods are subject to many variations and tastes, the guidelines regarding Times and Temperatures in this manual are SUGGESTIONS ONLY. Experiment with your food products to determine the cooking temperatures and times that give you the best results.

NOTE: For a more even bake in models VC6ED and VC6EC, place the pans horizontally in the center of the oven rack and decrease the suggested cooking temperature by 50°F (10°C).

COOKING GUIDELINES

The information in the Cooking Guidelines chart is suggested only. Cooking times for various products may be different depending on the brand, consistency and the chef’s preferences for taste and presentation. The times below may require adjustments. Note the times and temperatures of your preferred results for future use. The preheating time for all of the following is 15 minutes. The computer control’s Holding Temperature is preset at 150°F (66°C) and cannot be changed.

COOKING GUIDELINES (HOLDING FEATURE)

STANDARD COOKING TIME CHART

*The maximum internal cooking temperature should be 190°F (88°C).

POWER OUTAGE

In case of a power outage, the oven will automatically shut down. When power is restored to the lines, the oven will resume its normal operation. However, if the oven is to be left unattended during a power outage, push the MASTER SWITCH to the OFF position. When power is restored to the lines, push MASTER SWITCH to the ON position, wait for the oven to preheat, then resume normal cooking operations.

CLEANING

WARNING: DISCONNECT ELECTRICAL SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATING THAT YOU ARE WORKING ON THE OVEN BEFORE CLEANING.

• • Clean outside of the oven daily by wiping with a clean, damp cloth.
  • Clean porcelain oven interior daily with soap or detergent and water. Rinse thoroughly and wipe dry with a soft, clean cloth.

Optional Stainless Steel Oven Interior

Soap or detergent and water usually handle routine cleaning. Rinse thoroughly and dry with a soft, clean cloth.

For burned-on foods and grease which resist simple soap and water cleaning, an abrasive cleanser (scouring powder) mixed into a paste may be used. Apply with stainless steel wool or sponge, always rubbing with the grain.

This treatment is equally effective for “heat tint” (slightly darkened areas caused by oxidation). Again, remember to rub in the direction of the polish lines. Rinse with clear water and dry with a soft cloth.

MAINTENANCE

WARNING: THE OVEN AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING, CLEANING OR PERFORMING ANY MAINTENANCE.

WARNING: DISCONNECT ELECTRICAL SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATING THAT YOU ARE WORKING ON THE OVEN BEFORE PERFORMING ANY MAINTENANCE.

The fan motor comes with sealed bearings and requires no lubrication. Annually check the vent, when cool, to be sure it is free of obstructions.

REPLACING LAMPS

1. Allow oven to cool.
2. Remove all racks by pulling forward, lifting up and out.
3. Unscrew glass dome(s) from light body.
4. Replace the bulb(s).
5. Reassemble glass dome(s) and racks by reversing the disassembly procedure.

SERVICE AND PARTS INFORMATION

To obtain service and parts information concerning your VC Series Oven, contact the Vulcan-Hart Service Depot in your area (refer to listing supplied with this oven) or Vulcan-Hart Company Service Department at the address or phone number shown on the front cover of this manual.