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12.6
SCHORNSTEINFEGER FUNCTION
The following figure describes how to use the Schornsteinfeger function.
NOTE:
This function is only required in Germany and can be activated by parameter (P5 BK). By default, this
function is disabled.
ENGELSE UITVOERING
"SCHORNSTEINFEGER" function
The purpose of this function is to have an easy interface for the "Schorsteinfegers" in
Germany, to be able to do their required testing on the boiler. This is a simplified function
similar to the normal service function of the boiler.
When the "Schornsteinfeger" button is pressed for 3 seconds:
The boiler will fire at minimum firing rate (% )
In this state the display shows:
F
l
P o w
When the button is pressed momentarily again:
The boiler will fire at 50% firing rate
In this state the display shows:
F
l
P o w
When the button is pressed momentarily again:
The boiler will fire at maximum firing rate (% )
In this state the display shows:
F
l
P o w
When the button is pressed momentarily again:
The boiler will return to the normal operation mode.
The "Schornsteinfeger" function is switched off.
NOTES:
When the heater is burning during Schorsteinfeger function (when top display line shows
"Flue service mode") and no button is pressed for 12 minutes the boiler will return
automatically to the normal operation mode.
The "Schorsteinfeger function" can be activated by altering parameter (P5 BK)
All normal maximum temperature safeties remain active and the boiler/water heater pump
and the system pump are running.
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0 %
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FIGURE 12.7
SCHORNSTEINFEGER FUNCTION
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