DBW 2010 / 2016 2 General Description
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2.7 Flame monitor
The flame state is monitored during the entire combustion
operation with the flame monitor. The flame monitor is a
photo resistor for standard device or a photo transistor for
sensor technology variant, which reacts depending on the
light spectrum of the flame.
The signals are sent to the control unit and processed there.
2.8 Ignition spark generator with ignition
electrodes
The high voltage for igniting the fuel-air mixture is generated
in the ignition spark generator. Ignition is carried out with a
high-voltage spark between the two ignition electrodes.
2.9 Temperature sensor (sensor technology
variant)
The temperature sensor detects the coolant temperature at
outlet of the heater exchanger as an electrical resistance. This
signal is fed to the control unit, where it is processed.
Fig. 212 Flame monitor standard device
Fig. 213 Flame monitor heaters with sensor technology
Fig. 214 Ignition spark generator with ignition electrodes
Fig. 215 Temperature sensor (sensor technology variant)
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