Turbo Chef Technologies NGC-1007 service manual Wiring the Filament Transformers

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THE MICROWAVE SYSTEM

31

high-voltage transformers are most likely wired in- phase. As a last check, energize the Microwave System and verify the voltages between the taps on each high-voltage transformer. The wiring issue must be corrected prior to returning the oven to service, as the voltages must be:

†NORTH AMERICA: 208 VAC between 1 & 2 and

240 between 1 & 3.

†LATIN AMERICA: 220 VAC

†JAPAN: 200 VAC

†INTERNATIONAL: 230 VAC

N O T E : The terminals with the orange dot or the orange wire always go to terminal 3 on USA models.

Wiring the Filament Transformers

The installation of filament transformers is straightforward. Filament transformers are wired in-phase and in-line. Refer to the schematics on pages 55-63, detailing the proper wiring. Specifically, FT1 and FT2 are located in the middle-far right edge of the schematics.

To verify correct wiring (North America), meas- ure the voltages between terminals 1 & 2 and 1 & 3 on FT1 and FT2. The voltages must be 208 and 240 VAC respectively.

N O T E : The terminals with the orange dot or the orange wire always go to Terminal 3 on US models.

To verify correct wiring (International), measure the voltage between the taps on FT1 and FT2. The volt- age must be 220 VAC (Latin America), 200 VAC (Japan), or 230 VAC (International).

MEASURING RF LEAKAGE FOR MICROWAVE SAFETY

An RF (microwave) leakage test must be performed at the conclusion of the following service tasks:

†Door removal, replacement and/or adjustment

†Wave guide removal and/or replacement

†Magnetron removal and/or replacement

F I G U R E 23: Microwave Survey Meter Placement

W A R N I N G : If the unit fails the radiation test (leakage greater than 4 mW/cm2), the

oven must be taken out of service immediately until the defect is corrected. In addition, the CDRH Regulations 21 Subpart C, 1002.20 requires that leakage readings of over 4 mW/cm2 must be reported to the manufacturer.

Procedure for Measuring RF Leakage

1.Place the oven in WARM UP and allow it to warm up to the set temperature (CCSP). This should take approximately 13 minutes if the oven is starting out cold.

2.Once the oven has warmed up, place the oven into TEST MODE (see page 14). Place a water load into the cook cavity. Water load must con- form to the following specification:

a.Volume: 275ml ± 15ml

b.Temperature: 68 ± 9ºF (20 ± 5ºC)

c.Vessel: Low form, 600 ml beaker with an inside diameter of approximately 3.35” (85 mm) and made of Pyrex or glass ceramic.

3.Position the microwave survey meter as shown in Figure 23.

4.Press and hold the MGTRON soft key to energize the Microwave System.

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Contents Accelerating the World of Cooking For further information call Important Safety Information Please Read First Table of Contents Oven Door Microwave SystemService Parts and Illustrations Schematics and Schematic ComponentsConvection Circuit IR Element and Catalytic ConverterImportant Safety Instructions Grounding Instructions Installation, Specifications, and Maintenance Standard Features DimensionsPower Supply North America ConstructionPower Supply Latin America Power Supply Europe, Asia-PacificPower Supply South Korea Built-In Installation FigureInstallation Near Open Heat Source Figure Initial Power-up SetupOven Restraint Kit TC3-0242 KIT StackingRemove and Clean the Cooking Surface Remove the Lower Access PanelClean Oven Interior Clean Lower Access Panel AreaTheory of Operation Chapter Set Temperature, IR Element Irsp and Irsi Set Temperature, Cook Cavity CcspActual Temperature, Cook Cavity TCC Actual Temperature, IR Element TIRKeypad Fault CodeDisplay Self-Test StestFault Codes F1 Blower Running Status Bad F2 Cook Temperature LowF3 Magnetron Current Low F4 Door Monitor DefectiveThermocouple temperature is below the indicated limit F5 Magnetron Over TemperatureF7 Thermocouple Open F8 Heat LowControl System Mech Interlock Switches VDC Power SupplyK1 Mechanical Relay K2 Mechanical RelayBlower Speed Screen Faults ScreenSelf-Test Function Screen Heater Test ScreenElectronic Compartment Temperature Screen Diagnostic Display ScreenChanging the Cook Chamber Temperature Cooks ScreenAltering a Recipe Loading a Menu from a Smart Card Snooze ModeDone Screen Time ScreenEnter Key Code Function/ScreenSmart Card Reader Cable Board J3 connector Replace I/O control board Reference page 54 for a schematic of the I/O control boardPin connector If not, correct the voltage supplyTroubleshooting VAC is going to the motor controller via pins 2Refer to page 50 for motor controller troubleshooting Detailed troubleshootingIf high-limit is not tripped, follow the instructions below Microwave System Voltage Doubler Circuit Description Microwave System Filament and High Voltage Terminals ORG High-Voltage Transformers MagnetronFilament Transformers F3 FuseWave Guide Cover Replacement NGC-3036Kit, Wave Guide Cover Includes Item 31 and sealant Wiring the High-Voltage TransformersScrews, #8, SST NGC-1047Support, Frame Remove the wave guide cover. See Wave GuideProcedure for Measuring RF Leakage Wiring the Filament TransformersHow to Check a Diode Testing the High-Voltage DiodeHow to Check a High-Voltage or Filament Transformer How to Check a CapacitorComponents MagnetronRemove the top and right side covers Back and Enter keys, enter the code 9-4-2-8 and press EnterVoltage Transformers HV capacitor shorted or failing follow troubleshooting onMgtron soft key. Voltage present should be 200 +/- 10% Unplug the oven and replace relay if necessaryPrimary and secondary, the control would have recorded Troubleshooting see F4 MonitorOccurrence. See page 25 as well as Oven Door for Energizing the Microwave SystemOven Door Oven Door Oven Burn-In Procedure Critical Adjustment Notes31 for proper procedure Primary and Secondary Interlock Switch Adjustments and Parts PPHD, Cres Assembly Notes5963 Adjusting the Primary Interlock Switch NEW Switch Setup DIA 80 8198 AR 101Refer to Figures 35 Critical Adjustment Notes FigureActuator and toggle OK Check adjustment and wiring on Interlock switch statusNew setup for the proper adjustment procedure Door does not close freely Remove obstructions or readjustConvection Circuit Motor Controller Bmsc Main Convection HeaterHigh Limit Thermostat Convection Motor114 105 104 103 102 107 109 110 113 111108 106† Thermostat tripped Reset and determine why the thermostat Replace motor. For access to motor shaft, remove top panelCook Door Open Message Verify which switch is not actuating Readjust. See pages† Motor spins freely Verify motor windings see table below Verify motor spins freelyDisconnect control wiring Plug on schematics pages 55-63 while incrementing blowerConverter Removing the IR Element IR ElementCatalytic Converter Installing a New IR Element Removing and Installing the Catalytic Converter119 122Schematics and Schematic Components Low Voltage Components Wire Harness Replacement P/NsLine Voltage Components Board Schematic Schematic Tornado NGC MAG Schematic Tornado Ngcew Schematic Tornado Ngced Schematic Brazil NGC Service Parts and Illustrations Relay Control SystemService Parts and Illustrations Monitor Circuit Shown in Failsafe State Microwave SystemWave Guide/Wave Guide Cover Parts Microwave System PartsSBK Oven DoorDoor Switch Parts Primary and Secondary Interlock Switch PartsPrimary Safety Switch Parts Monitor Safety Switch Parts80 81 Secondary and Monitor Safety Switch Parts Oven Door Parts 100Convection Circuit Convection Circuit Block Diagram114 105 104 103 102 107 108 106 109 110 113 111 112 Convection Circuit Parts123 Old Switch Setup 126 Wire Harness Replacement P/NIR Element and Catalytic Converter 122 119135 137 138 133 134 129 132 144 139 141150 Screw, #8-32 x 3/8, Pphd NGC-2011-8 147 150 162 157 159153 155 156 151 152 Comprehensive Part List Comprehensive Part List Comprehensive Part List Relay, K7, Magnetron Fan, Standard Europe, Asia-Pacific MPh Smart Card, Programmed call TurboChef for Part Numbers 800.90T U R B O or

NGC-1007 specifications

TurboChef Technologies has made a substantial impact in the commercial cooking industry with its advanced cooking equipment, and one of their standout products is the NGC-1007. The NGC-1007 is a revolutionary cooking oven designed to meet the demands of high-paced kitchens while ensuring superior cooking quality and efficiency.

One of the main features of the NGC-1007 is its high-speed cooking technology. Utilizing a combination of convection, impingement, and microwave cooking, this oven can reduce cooking times significantly while maintaining food quality. This multi-cooking method not only speeds up the cooking process but also enhances flavor and texture, making it ideal for cooking a wide variety of dishes, from pizzas to entrees.

The NGC-1007 also showcases advanced control technology, incorporating a user-friendly touch screen interface. This intuitive control panel allows chefs to easily navigate through various cooking settings and recipes, ensuring that each dish can be prepared to perfection. With programmable settings, operators can store favorite recipes and recall them at the touch of a button, improving efficiency and consistency in food preparation.

The design of the NGC-1007 reflects a commitment to reliability and durability. Built with high-quality materials, it can withstand the rigors of a bustling kitchen environment. Its compact size is perfect for establishments with limited space yet powerful enough to handle the demands of high-volume cooking.

Another key characteristic of the NGC-1007 is its energy efficiency. TurboChef has integrated innovative technology that reduces energy consumption without compromising cooking performance. This not only helps in cutting operational costs for restaurants but also aligns with sustainability goals by minimizing the environmental impact.

Furthermore, the NGC-1007 is equipped with easy-to-clean surfaces, making maintenance hassle-free. This is crucial in any busy kitchen, as it allows staff to focus on food preparation and service rather than extensive cleanup.

In summary, the TurboChef NGC-1007 is a game-changer for commercial kitchens looking to optimize their cooking processes. With its high-speed cooking capabilities, intuitive controls, durable construction, energy efficiency, and ease of maintenance, it stands out as a reliable option for chefs aiming to elevate their culinary output while managing time and resources effectively.
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