Preheater System
The preheater relay is (K 25) is actuated directly by the DDE 2.1 control unit and contains only the power switch which, when required, supplies the 6 sheathed glow plugs (R 5) with voltage.
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Preheater System
------ Afterheating
___ Preheating
1 50 °C prescribed value on failure of coolant temperature sensor (NTC II)
t/s Time in seconds
| Tk coolant temperature (°C) | |||
|---|---|---|---|
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