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THEORY OF OPERATION
7
THEORY OF OPERATION
The TurboChef NGC (Tornado) oven utilizes
three independent heat transfer mechanisms to
rapidly cook food.
The systems are as follows:
Convection
Infrared energy
Microwave energy
By combining these mechanisms along with the
ability to control each mechanism independently,
the NGC (Tornado) oven is able to reduce the cook
time of most foods by 70-90 percent.
Figure 5 below represents the oven’s different sys-
tems and the critical components of each system.
Should a problem arise with any of the compo-
nents listed below, please turn to the appropriate
section within this manual for further instructions.
For the purpose of this manual, each independent
heat transfer mechanism is individually identified.
For instance, if an oven is experiencing difficulties
browning the food, focus on
CONVECTION SYSTEM
and/or BOTTOM IR AND CCV. Focus on MICROWAVE
SYSTEM
if the oven is browning the food but not
heating the inside.
Part numbers are included on illustrations (where
applicable) and in the back of this manual. If an
item is not illustrated, the part number is provided
in the text.
Chapter 4
CONTROL SYSTEM
I/O Control Board
Keypad
Display
Mechanical Relays
Solid State Relay
Chapter 5
MICROWAVE SYSTEM
Magnetrons
High Voltage Transformers
Filament Transformers
High Voltage Capacitors
High Voltage Diodes
Fuses
Chapter 7
CONVECTION SYSTEM
Convection Heater
Blower Controller
Blower Motor
Hi-Limit Thermostat
Chapter 8
BOTTOM IR AND CCV
Bottom Infrared Element
Catalytic Converter
FIGURE 5: NGC (Tornado) Systems and Critical Components