Design
Standard design, M-Line
Legend:
1 = Heat exchanger
2 = Backflow preventer
3 = Controller
4 = Shut off ball valve
6 = Bleeding devices or fill and drain ball valve
Attention: For information on the controller/communication with external interfaces/devices, please refer to the operating instructions.
A = Flow line - heating
B = Return line - heating
C = Domestic hot water outlet
D = Hot water circulation (depending on the variant)
E = Cold water (domestic water)
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