28 THE MICROWAVE SYSTEM

MICROWAVE SYSTEM COMPONENTS

Below is a description of each component within the Microwave System.

Magnetron

Magnetrons supply the RF energy at 2.45 GHz and begin to oscillate when they are supplied with approximately 4.1KVDC at approximately .350 mA. During operation each magnetron will output a nominal 1 kW of power.

High-Voltage Transformers

High-voltage transformers are a ferro-resonant design which limits fault currents and minimizes magnetron power changes due to input voltage changes. The high-voltage transformer supplies the high voltage for the Voltage Doubler Circuit. They are controlled via the K2 relay.

W A R N I N G : Never attempt to measure

the voltage values of the high-voltage trans- formers with the high-voltage transformers enabled. Lethal voltage will be present. Reference page 30 for proper measuring technique.

Filament Transformers

For better operation and reliability, the oven uses separate transformers in order to preheat the magnetron filament.

The control energizes the filament transformers for approximately five (5) seconds prior to energizing the Microwave Circuit via the high-voltage trans- formers. When in operation, the filament trans- formers supply approximately 3.15 VAC at 10 amps to each magnetron filament. The filament trans- formers are controlled via the K1 relay.

F3 Fuse

The F3 fuse is a 20-amp, class CC fuse designed to blow in case of an over-current scenario, such as a high-voltage transformer or capacitor failure. The fuse also blows if the Monitor Circuit trips the failsafe.

High Voltage Capacitors

Capacitor rating is 0.91uF, 2500 VDC for USA, Mexico, Brazil, and S. Korea.

Capacitor rating is 1.15 uF, 2500 VDC for Europe, Asia, Pacific, Australia, UK, Ireland, and Japan 50 Hz.

Capacitor rating is 0.85 uF, 2500 VDC for Japan 60 Hz.

High Voltage Diodes

Rated at 16 kVDC.

Monitor Relay (K3)

The monitor relay, K3, acts as a failsafe device in the Voltage Doubler Circuit. In its normal un-ener- gized position, the monitor relay shorts L1 and L2. If the K2 relay energizes the high-voltage trans- formers while the K3 relay is un-energized, the F3 fuse will blow.

Magnetron Thermostats

The magnetron thermostats are open-on-rise ther- mostats. These thermostats are designed to open at 212ºF (100ºC), which triggers an F5 fault.

N O T E : Both magnetron thermostats are wired in series. If one opens, the control will switch off both magnetrons until the thermostats close. The thermostats are self-resetting.

Magnetron Cooling Fan

The magnetron cooling fan supplies cooling air for both magnetrons. The fan operates at 208 or 240 (USA) / 230 (Intl) / 200 (Japan) / 220 (Latin America) VAC and is controlled via the K7 relay (see Item 14 on Figure 20).

If the oven does not have this relay installed, it is required that you order the relay kit through Customer Service. See page 27, item 14 for part numbers. If you are unsure which kit to order, determine the software type before contacting Customer Service.

Page 38
Image 38
Turbo Chef Technologies NGC-1007 Magnetron, High-Voltage Transformers, Filament Transformers, F3 Fuse, High Voltage Diodes

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.