6450-4 - Pizza oven Nemco - Free user manual and instructions

Product Type	Countertop Pizza Oven
Brand	Nemco
Model	6450-4
Dimensions (W x D x H)	Approximately 30 x 24 x 18 inches
Weight	Approximately 80 lbs
Power Supply	Electric, 208-240V / 60Hz / 1-phase
Power Consumption	Approximately 4000 Watts
Cooking Capacity	Up to 4 pizzas simultaneously (depending on size)
Temperature Range	200°F to 550°F (93°C to 288°C)
Cooking Method	Convection or Impingement
Construction Material	Stainless steel interior and exterior
Control Type	Digital thermostatic control with timer
Door Type	Double glass doors with cool-touch handle
Heating System	Top and bottom heating elements
Air Filter	Removable and cleanable grease filter
Cleaning	Daily removal of crumbs and grease; periodic deep cleaning of interior
Safety Features	Automatic shut-off, overheat protection, cool-touch exterior
Spare Parts Available	Heating elements, thermostats, switches, door glass
Repairability	Modular design allows easy replacement of parts
Ventilation Requirement	Requires adequate ventilation above and around the oven
Warranty	Typically 1 year parts and labor

Frequently Asked Questions - 6450-4 Nemco

How do I preheat the oven?

Set the temperature dial to the desired baking temperature (usually 450-500°F) and allow the oven to preheat for at least 15-20 minutes until the indicator light shows ready.

What should I do if the oven doesn't heat up?

Check that the oven is plugged into a properly rated power supply and the circuit breaker has not tripped. If the problem persists, inspect the heating elements and thermostat for damage; contact a qualified technician for replacement.

How often should I clean the oven?

Wipe down the exterior daily with a damp cloth. Remove and clean the grease filter weekly. Perform a thorough interior cleaning every month using a non-abrasive cleaner to remove baked-on residue.

Can I adjust the cooking time?

Yes, the oven features a digital timer that can be set from 0 to 60 minutes. Adjust according to the type and thickness of pizza being cooked; typically 8-12 minutes for a standard 12-inch pizza.

What size pizza can I cook in this oven?

The oven can accommodate pizzas up to 14 inches in diameter. It can cook up to 4 pizzas at once if using smaller sizes (e.g., personal pizzas).

Is it normal for the oven to smoke during first use?

Yes, a small amount of smoke may be produced during the first heating cycle as manufacturing oils burn off. Ensure good ventilation and run the oven empty at high temperature for 30 minutes before first use.

How do I replace a heating element?

Disconnect power, remove the back panel, unscrew the faulty element, disconnect the wires, and install a new element in reverse order. Use only genuine Nemco replacement parts for safety and performance.

What type of receptacle does the oven require?

The oven requires a NEMA 6-20R or similar 240V, 20A dedicated circuit. Do not use an extension cord.

Why is the oven not maintaining temperature?

Check that the door seals are intact and the oven is not overloaded. A faulty thermostat or heating element may need replacement. Also ensure the vent is not blocked.

Where can I find replacement parts?

Replacement parts can be ordered from Nemco authorized dealers or directly through Nemco customer service. Refer to the parts list in the manual for part numbers.

USER MANUAL 6450-4 Nemco

1. Please read instructions before using this appliance.
2. When using electrical appliances, always follow basic precautions to reduce the risk of fire, electric shock and injury to persons.
3. Clean machine thoroughly before and after all uses using cleaning instructions below.

SAFETY INSTRUCTIONS

1. Plug electrical cord into a certified electrical outlet with a corresponding voltage rating as listed on the machine model labels.
2. Always unplug the electric cord when appliance is not in use and before cleaning, adjusting or maintaining this machine. Do not operate with a damaged cord or plug or after the machine malfunctions, has been dropped or damaged. Use authorized service for examination, electrical or mechanical adjustment or repair.
3. This machine will be HOT during use and for a short time after it is turned off - BE CAREFUL. To avoid burns, do not let bare skin touch hot surfaces. Keep combustible materials away from appliance.
4. Use extreme caution when any appliance is used by or near children and whenever the appliance is left operating and unattended.
5. This appliance is not intended for use near or around water. Never locate appliance where it may fall into a water container.
6. Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electrical shock, fire or damage to the appliance. Do not block air intakes or exhaust in any manner. Do not use on soft surfaces where openings may become blocked.

PREPARATION

1. Remove all packing pieces and lift unit out of the box.
2. Remove any outside packaging.
3. Remove any plastic coating that may be affixed to stainless steel surfaces.
4. Be sure the round tier rack systems (equipped on models that rotate) are secure at the top and bottom.

5. CAUTION - To reduce the risk of fire, the appliance is to be installed in non-combustible surroundings only, with no combustible material within 18 inches of the sides, front, or rear of the appliance or within 40 inches above the appliance. The appliance is to be mounted on floors of noncombustible construction with non-combustible flooring and surface finish and with no combustible material against the underside, or on noncombustible slabs or arches that have no combustible material against the underside. Such construction shall in all cases extend not less than 12 inches beyond the equipment on all sides.

6. Unit can only be operated with the 4" legs provided. Failure to do so will cause damage to the unit.

7. Set unit on a flat surface.
8. Position unit near the power outlet. Avoid the use of extension cords. Do not run cord under carpeting or cover with runners or the like. Arrange cord where it will not be tripped over.
9. This appliance has hot and live electrical parts. Do not use in areas where gasoline, paint or flammable liquids are used or stored.
10. If unit fails to work properly when first operated call NEMCO customer service at 1-800-782-6761.

ELECTRICAL REQUIREMENTS

Refer to the product tag (serial plate) on the back of the unit for voltage and wattage requirements. Be sure to plug unit into grounded outlet with sufficient power.

WARNING: DURING NORMAL OPERATIONS THE EXTERIOR OF THE UNIT IS HOT.

OPERATION

1. Fill one or both water reservoirs to provide humidity as required. Do not overfill.
2. Plug the unit into the appropriate power supply.
3. Turn heat switch to on position.
4. Turn temperature switch to high and preheat approximately 15 minutes.
5. Turn the temperature control to desired setting. (High, Medium or Low)
6. Load food products when pre-heat is complete.
7. Turn on the light switch for lights and rotating rack if equipped.
8. Pull pin and lift the top coupling to remove rack.
9. To disconnect appliance, turn controls to off and remove plug from outlet.

CLEANING

NOTE: Proper maintenance plays an important part in the life span and functioning of the unit.

1. Turn the temperature control to the off position.
2. Turn the light switch and heat switch off.
3. Unplug the unit from the power supply.
4. Do not attempt to clean unit while it is turned on; it will be hot during operation.
5. The rotary rack is removed by lifting on the drive coupling located at the top of the shelf system and carefully removing the rack from the interior of the case. Stationary racks just lift out. Wash with warm water and a mild detergent. Rinse and dry. Rack can be installed by reversing process.
6. Clean daily. Clean excess food debris from the interior of the unit.
7. Clean the water reservoirs daily with a scouring pad and mild detergent. Use of distilled water in the reservoirs will reduce mineral deposit build-up.
8. Clean interior and exterior of unit with a mild detergent and warm water. Be sure to dry unit.
9. Do not immerse in water or other liquid. Avoid splashing water into the motor unit.

SERVICE INSTRUCTIONS

1. For warranty or service information, please refer to the attached "Nemco Food Equipment Warranty Service Procedures."
2. The light can be replaced easily in the event it burns out. Be sure to replace it with a shatterproof fluorescent light.

NOTE THAT THERE MUST BE AN 18" NON-COMBUSTIBLE ZONE ON ALL (4) SIDES & A 40" NON-COMBUSTIBLE ZONE FROM THE TOP

ITEM NUMBER	PART NUMBER DESCRIPTION
1	4747246356	SOCKETBULB
2	67419 MOTOR ASSEMBLY
3	45988 THERMOMETER
4	47420 ROCKER SWITCH
5	4677445740	THERMOSTATKNOB
6	6738367383-L6738147122-B	GLASS DOOR ASSEMBLY 6450 & 6454GLASS DOOR ASSEMBLY 6451, 6452, 6453, & 6455HINGE PINMAGNETIC STRIPPING 8" LENGTH
7	4598745992	GLASS PANEL 6450 & 6454GLASS PANEL 6451, 6452, 6453, & 6455
8	679076709866790-166791-1667926679366794	RACK, 3-TIER 12" 6450RACK, 4-TIER 12" 6450-4RACK, 3 TIER 18" 6451RACK, 4 TIER 18" 6452RACK, 3 TIER 15" SHELF 6454RACK, 3 TIER 19" SHELF 6455RACK, 3 TIER BRANCH 6453
9	6736546908	RESERVIOR LID 1/4^TH PAN
10	45495 LEG
NOT SHOWN	45989 DOOR SWITCH
NOT SHOWN	67368 HEATER