Diagram 3 (boiler sensor + buffer tank sensor)
Diagram 3 is to be used in a system where both a water buffer tank for the heating system and a DHW boiler are present.
The operating logic is similar to that of Diagram 1. Also in this type of circuit, the boiler water temperature is managed by the stove and
room temperature by a control unit (not supplied by Elledi) that controls the buffer tank and any zone valves. The buffer tank temperature
is controlled by the thermo-stove through a sensor.
Model Rodi Steel Use and Maintenance Manual
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Rev.2 31/07/2017
Page59