IMPORTANT SAFETY INSTRUCTIONS. WARNING: When operating this oven, strictly adhere to the following safety precautions to reduce the risk of burns,
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IMPORTANT SAFETY INFORMATION ˜ PLEASE READ FIRST WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment.This product employs an exposed radiant heating element on the bottom of the cavity. This element is HOT during operation and will remain at dangerous temperatures after the unit is switched off. NEVER attempt to touch the element during operation or while the oven is warm.x DO NOT store or use gasoline or any other flammable vapors or liquids in the vicinity of this or any other appliance.The information contained in this manual is important for the proper installation, use and maintenance of this oven. Adherence to these procedures and instructions will result in satisfactory cooking results and long, trouble-free service. Please read this manual carefully and retain it for future reference.ErrorsŠdescriptive, typographic, or pictorialŠare subject to correction. Specifications are subject to change without notice.
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Important Safety Instructions i To Reduce the Risk of Fire in the Oven Cavity ii Precautions to Avoid Possible Exposure to Excessive Microwave Energy ii Grounding Instructions ii Power Supply Cord Replacement iii RF Interference Considerations iii Protective Earth (Ground) Symbol iii Equipotential Bonding Symbol iii Overview of the TornadoTM Specs and Dimensions 1 Dimensions Construction Standard Features Accessories Certifications Packaging Electrical Specifications 2 How the Technology Works The Technology Behind the Tornado 3 Assembly and Installation Installation Instructions 4 Delivery and Initial Inspection Lifting the Oven Oven Location and Placement Securing Oven to Cart Double Stacking Ovens Built-In Installation Installation Near Open Heat Source Ventilation Requirements Oven Assembly 7 Optional Installation Items 7 Oven Restraint Kit 7 Oven Carts 8 Loading a Menu from a Smart Card 9 Saving a Menu to a Smart Card 9 Common Operating Terms Oven Operating Components 11 Modes and States 11 Common Cooking Terms 11 Faults and Errors 12Table of Contents
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Operating the Tornado The Control Pad 13 Powering Up the Oven 14 Initial Power-Up Power-Up Voltage Sensing 14 Cooking Instructions 15 Turning the Oven Off 16 Editing a Food Item 17 Changing the Edit Pin Number Editing a Food Item Changing the Idle IR Set Temperature 18 Enabling/Disabling the Edit Mode 18 Cooking Options – Time, Done, and Snooze 18 The fiEnter Cook Timefl Screen The fiDonefl Screen The fiSnoozefl Mode Recipe Development and Cooking Tips Developing Recipes 21 Development Methodology The Importance of Consistency Ovenables 23 Dual-Ovenable Paper Board Baking Papers/Sheets Ceramics, Earthenware, Corningware Toughened Glass Plastics NordicWare What Not To Use Maintenance and Troubleshooting Daily Maintenance for the Tornado 25 Tips for Prolonging Oven Life 26 Troubleshooting 26 Catalytic Converter 29 Limited Warranty North America Limited Warranty 30 International Limited Warranty 33
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iiINTRODUCTIONSAVE THESE INSTRUCTIONS Grounding InstructionsThis appliance must be grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. This oven is equipped with a cord that has a grounding wire with a grounding plug, which must be plugged into an outlet that is properly installed and grounded. Consult a qualified electrician or serviceman if uncertain about the ability to follow grounding instructions or if doubt exists as to whether the appliance is properly grounded. X use an extension cord. If the power cord is too short, have a qualified electrician or serviceman install an outlet near the appliance. WARNING: Improper grounding can result in risk of electric shock.Power Cord ReplacementIf the power cord is damaged, it must be replaced by the manufacturer, its service agent, or a similarly qualified person.Precautions to Avoid Possible Exposure to Excessive Microwave Energy(a) Do not attempt to operate this oven with the door open since open-door operation can result in harmful exposure to microwave energy. It is important not to defeat or tamper with the safety interlocks.(b) Do not place any object between the oven front face and the door or allow soil or cleaner residue to accumulate on sealing surfaces.(c) Do not operate the oven if it is damaged. It is particularly important that the oven door close properly and that there is no damage to the: (1) Door (bent), (2) hinges and latches (broken or loosened), (3) door seals and sealing surfaces.(d) The oven should not be adjusted or repaired by anyone except properly qualified service personnel.RF Interference ConsiderationsThe Tornado oven generates radio frequency signals. This device has been tested and was determined to be in compliance with applicable portions of FCC part 18 requirements and to the protection require-ments of Council Directive 89/336/EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility at the time of manufacture. However, some equipment with sensitivity to signals below these limits may experience interference.If your equipment experiences interference:Increase the physical separation between this oven and the sensitive equipment.If the sensitive device can be grounded, do so following accepted grounding practices.If battery-powered microphones are being affected, ensure that the batteries are fully charged.Keep sensitive equipment on separate electrical circuits if possible.Route intercom wires, microphone wires, speaker cables, etc. away from the oven. Protective Earth (Ground) Symbol This symbol identifies the terminal which is intended for connecting an external conductor for pro- tection against electric shock in case of a fault, or the terminal of a protective earth (ground) electrode.Equipotential Bonding Symbol This symbol identifies the terminals which, when connected together, bring the various parts of an equipment or of a system to the same potential, not necesarily being the earth (ground) potential, e.g. for local bonding.
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1OVERVIEW OF THE TORNADO OVEN Overview of the Tornado Oven1: Dimensions of the Tornado OvenSPECS AND DIMENSIONS DimensionsHeight 19fl (482 mm) with legs* 23fl (584 mm)Width 26fl (660 mm) Depth 25.7fl (653 mm) with handle (Tornado) 28.2fl (716 mm) with handle (Tornado 2) 28.45fl (723 mm)Weight 190 lb. (86 kg)Height 8fl (203 mm)Width 15.5fl (393 mm)Depth 14.7fl (373 mm) Back 0fl (0 mm) Sides 2fl (51 mm)Top 4fl (102 mm)(minimum)Crated 30fl (787 mm) Uncrated 24fl (673 mm)* Legs are 4fl (102 mm).Construction430 stainless steel front, top and sides 4fl (102 mm) adjustable legs Stainless steel handle Cool to the touch pull down door 304 stainless steel line Fully insulated cook cavity Lower cooking (IR) elementStandard Features Integral recirculating catalytic converter for UL listed ventless operation (UL KNLZ) Variable-speed High h recirculating impingement airflow system Variable cooking surfaces (racks, stones, platters) Independently-controlled bottom browning element Smart Voltage Sensor Technology* (U.S. only) Smart menu system capable of storing 128 recipes Built-in self-diagnostics for monitoring oven components and performance Stackable design (requires stacking kit) Manual snooze mode Includes plug and cord (5 ft.) Warranty Π1 year parts and labor**North American models (NGC) only.
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2OVERVIEW OF THE TORNADO OVEN Accessories (Additional Charge) 24fl (610 mm) stainless steel oven stand with locking casters 18fl (457 mm) stainless steel oven stand with locking casters CertificationsPackagingAll ovens are packaged in a double-wall corrugated box with integrated corrugated skids.ELECTRICAL SPECIFICATIONS NGC (1 Phase, 60 Hz )Operating Voltage 208/240 VAC*Current Draw 30 AmpsPhase 1 Phase Frequency 60 HzPlug NEMA 6-30Max Input 5990/6675 wattsMicrowave Input Power 3500 watts* Smart Voltage Sensor Technology automatically senses the supply voltage and allows the user to configure the oven to the correct setting (208 or 240) with the touch of a button. NOTE: The Smart Voltage Sensor Technology does not compensate for lack of, or over voltage situations. It is the responsibility of the owner to supply voltage to the unit according to the above specifications.NGCEW (3 Phase, WYE, 50 Hz)Operating Voltage 400 VACCurrent Draw 16 AmpsPhase/Frequency 3 Phase/50 HzPlug IEC 309, 5 PIN (32 A)Heaters Input Power 6300 wattsMicrowave Input Power 3500 wattsNGCED (3 Phase, Delta, 50 Hz)Operating Voltage 230 VACCurrent Draw 30 AmpsPhase/Frequency 3 Phase/50 HzPlug IEC 309, 4 PIN (32 A)Heaters Input Power 6300 wattsMicrowave Input Power 3500 wattsNGCUK (1 Phase, 50 Hz)Operating Voltage 230 VACCurrent Draw 30 AmpsPhase/Frequency 1 Phase/50 HzPlug IEC 309, 3 PIN (32 A)Heaters Input Power 6300 wattsMicrowave Input Power 3500 watts NGCBK (1 Phase, 60 Hz)Operating Voltage 220 VACCurrent Draw 30 AmpsPhase/Frequency 1 Phase/60 HzPlug IEC 309, 3 PIN (32 A)Heaters Input Power 6300 wattsMicrowave Input Power 3500 watts NGCJD (3 Phase, 50/60 Hz)Operating Voltage 200 VACCurrent Draw 30 AmpsPhase/Frequency 3 Phase/50 or 60 Hz Plug PSE, 4-blade (30 A)Heaters Input Power 6300 wattsMicrowave Input Power 3500 watts NGCJK (1 Phase, 50/60 Hz)Operating Voltage 200 VACCurrent Draw 30 AmpsPhase/Frequency 1 Phase/50 or 60 Hz Plug PSE, 3-blade (30 A)Heaters Input Power 6300 wattsMicrowave Input Power 3500 watts NOTE: Model NGC is typically the oven model used in North America. NGCEW, NGCED, NGCUK, NGCBK, NGCJD, and NGCJK are primarily used in international markets and locations.
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3HOW THE TECHNOLOGY WORKS 2: How the Technology WorksTHE TECHNOLOGY BEHIND THE TORNADO The Tornado uses a patented combination of high speed forced air convection, heating, and micro-wave energy to cook food up to 12 times faster than conventional methods. At a very high speed of circulation, a controlled, smoothly flowing field of hot air forms a shroud around the food. This takes place in conjunction with measured, precise bursts of microwave energy, creating a unique set of temperature and moisture control conditions within the food that preserves and enhances flavor. Figure 2 illustrates the five steps of the technology used by the Tornado Oven. These steps, described below, are all computer controlled. 1. The internal heaters transfer energy to the recirculating airflow.2. The recirculating airflow circulates at speeds up to 60 mph (100 km/h) down and around the food item.3. Simultaneously, a bottom radiant heater provides heat transfer to the bottom of the food product.4. The recirculating air passes through a Catalytic Converter where excess grease and odors are combusted and removed.5. Working in parallel with the recirculating airflow and bottom IR element, the microwave system couples microwave energy from the bottom of the cavity evenly into the food items.NOTE: An easy way to understand our cooking is to think of the microwave cooking from the inside out and the airflow cooking from the outside in. The two energy gradients meet and greatly reduce the cook time.How the Technology Works
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