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13.2
The boiler is started via the burner contact. The pumps at output Z16 (UW) are active
from a boiler temperature of 60° C.
The mode of the pumps can be selected.
External heating controller
For an external heating controller, input Z26 is determined as burner demand. The
boiler sensor of the heating controller must be installed into the boiler to avoid a
pump function below 60 ° C of the boiler pump. Controllable pumps are regulated
with regard to the boiler temperature.
Hydraulic diagram version A:
Heat consumers are shown symbolically and can be substituted by others!
Installation Manual
Version A
Z21
13 Controller for heating circuits and DHW
Z17 / Z38
Z26
TI
TI
Z16
TI
TI
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