Display zone | Display |
1 | Auxiliary heater operating time in hours –
| Auxiliary heater operating time with this control unit (full load and part load operation) |
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2 | Auxiliary heater operating time (on time) in hours –
| Auxiliary heater operating time with this control unit (full load/part load operation and control interval) |
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3 | Number of auxiliary heater preheating cycles (starting operations) –
| Display shows the number of auxiliary heater starting operations (preheating cycles) with this control unit. |
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| If no flame is generated on first starting attempt and starting has to be repeated, this classes as a separate preheating cycle (display is not incremented by one, but rather by two) |
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4 | Quantity of fuel in litres used in auxiliary heater –
| The quantity of fuel is calculated on the basis of metering pump -V54- actuation by the auxiliary heater control unit -J364- (approx. 0.03 cm3 per metering pump stroke) |
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