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5 Commissioning
5.1.19.3 Setting the Control Thermostat
Select parameter no. 804
5.1.19.4 Controller Parameters
Select parameter no. 805 - 808.
5.1.19.5 Outside Temperature Limits
Select parameter no. 800 and 801.
Nr. FMS ETA Short Text Description Min Max Default
804 0 0 Bren.AUS Burner off 0 999 15
Burner off (difference to the set point)
in ° C or bar (xx.x)
Enter the firing rate controller switch off point. The
entered value corresponds to the difference between
the current set point and the value, which shuts down
the burner. The value has to be greater than the
adjusted upper control range.(P 803)
Depending on the content of Parameter 809, the con-
tent of this parameter is interpreted as ° C (directly with-
out decimal point) as bar (resolution 0.1 bar, i.e. range
from 0.1 to 99.9 bar) or in digit
see figure "Control range of the firing rate controller
Nr. FMS ETA Short Text Description Min Max Default
805 0 0 P-Faktor P - term of the power control unit 0 999 120
806 0 0 I-Factor I - term of the controller 0 999 60
807 0 0 D-Faktor D - term of the controller 0 999 20
808 0 0 Nachst.z Cycle time 0 60 15
Cyclic control adjustment time
Set the adjustment time in seconds. This time is set
between the individual control steps. The time relates to
the reaction time of the system.
Nr. FMS ETA Short Text Description Min Max Default
800 0 0 Obergren Firing rate controller: upper limit 0 999 999
Firing rate controller: Upper Limit (for control by atmos-
pheric condition) in ° C or digit
This is the upper limit of the outside temperature for
control by atmospheric condition.
Nr. FMS ETA Short Text Description Min Max Default
801 0 0 Untergre Firing rate controller: lower limit 0 999 0
Firing rate controller: Lower Limit (for control by atmos-
pheric condition) in ° C or digit
This is the lower limit of the outside temperature for con-
trol by atmospheric condition.
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