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SDC / DHC Hydraulic Components
EN2H-0221GE51 R0808 201
Control mode 1 – Loading control for heating circuit and hot-water
demand
System hydraulics
a
b
c
a Heat generator c Hot-water tank
b Buffer tank
Heating circuit and hot-water controls send their demand values
to buffer control. Buffer control demand additional energy from the
heat generator via the buffer loading pump.
See the table below for detailed correlations.
Control mode 2 – Loading control for heating circuit demand
System hydraulics
a
b
c
a Heat generator c Hot-water tank
b Buffer tank