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SDC / DHC Hydraulic Components
EN2H-0221GE51 R0808 147
7.2.3 District heating return temperature limit
Many district heating companies require min. volume flows in their
networks. This can be achieved through a high temperature
differential between the flow and return.
a Example 1 (factory setting) e Example 4
b Return temperature limit f Starting points of the
flexible return temperature
limit in examples 3 and 4
c Example 2 x Return setpoint
d Example 3 y Outside temperature