
Function explained: System conguration 4: Third party boiler control (KM 02 = 3):
Burner control (230 V) via "MKP" output, if
actual header temperature < set header temperature
Burner shutdown, if
actual header temperature > set header temperature + header
temperature hysteresis
Blocking time:
The blocking time will be started after every burner start in
heating mode.
Does not apply to cylinder heating and convector heater
demand
Parameters / Function description
Information regarding conguration 13:
a)
Without Wolf boiler and valve position AB → B ⇒ BM display "Actual header temperature = 0.0".
Without a Wolf boiler, the cylinder primary pump block (parameter MI 12) must not be enabled
in any MM or KM.
b) With Wolf boiler and valve position AB → B ⇒ BM display "Actual header temperature = actual
boiler water temperature of the Wolf boiler".
c) If no return temperature raising is required by the KM, terminate the sensor inputs E1 and VF of
the KM replacement values via resistors.
d) To ensure that the boiler circuit pump of the Wolf boiler starts when the three-way diverter
valve is in position AB → B, and there is a heat demand, set parameter KM 18 to 1.
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