5 Operation, factory customer service
Trials: Number of ignition attempts until an alarm is output
Flue-gas ° rise: Flue gas temperature increase at which the electrical heating switches off.
The fuel is ignited via electrically heated hot air. Prior to the ignition process fuel is pushed in during the “feeding”
time. In this phase the control system checks whether ember remnants can be kindled into flame with the fan. This
protects the ignition system and consumption of electrical energy is reduced. If the flue gas temperature does not
increase the electrical ignition switches on.
If flue gas temperature still does not increase after the set ignition time, additional fuel is pushed in (2nd attempt).
After the max. number of unsuccessful ignition attempts the control system reports a fault and switches the boiler
off (see the operating manual, point 7 “Troubleshooting”).
5.1.4 Serial number
The serial number provides the customer service organization with precise information concerning the system. It is
entered into the control system at KWB. The serial number is located on the type plate (rear of boiler).
000-0023456 / 4. Example of a serial number on the type plate
Indicates the series production status of the system
Serial number of the system
5.1.5 Operating hours
Nominal load
Medium load
Partial load: Operating hours in the three load stages
Full load hours: Full load hours (calculated from the runtime proportions)
Full load hours are the operating hours converted to the nominal load of the boiler. After 1500 full load hours at the
latest, the boiler needs to be serviced. An alarm will be displayed.
When replacing the control system, operating hours can be transferred.
5.2 Menu item – Ash Extractor
Hour: Adjustable time for the start of ash removal runtime.
Duration: Duration of ash removal system runtime
MA-Easyfire 10.2008_EN.indd 62MA-Easyfire 10.2008_EN.indd 62 30.03.2009 13:30:09 Uhr30.03.2009 13:30:09 Uhr
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