Circuit management subsystems (sometimes referred to as “manifolds”) allow you to control the pumps and, when required, the mixing valves of the systems. The system can manage up to 8 Circuits, which can be activated by:
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Direct Set Point: to be used if there is no outdoor probe or if you want to keep fixed the water outlet of a circuit.
Climatic curve: to be used if there is the outdoor probe, the reference outdoor temperatures are in winter -10°C, 0°C, 10°C, and 20°C; in summer they are 10°C, 20°C, 30°C, and 40°C.
KD: unlike the above climatic curve where at intermediate temperatures (5°C or 25°C) the outlet temperature is calculated by linear interpolation, KD uses characteristic curves as in the example graph below. Kd is the slope of the curve. If you have a radiant system, Kd will be low (between 0,2 and 0,8), while with radiators it can rise below 1:
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It is possible to limit the outlet temperature between tMin and tMax and decide to which outdoor temperature (tOff) the system should switch off.
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KDM: it is like KD, but tMin and tMax values are acquired from boilers of a specific manufacturer (do not use)
From Zone x: TBD
From Source x: TBD
From outlet probe: TBD
From inlet probe: to be used when installing the REG-010AD product (see REG-010AD manual)
From DHW Set Point: the set point used comes from the one set and actual in the DHW subsystem (see DHW SET POINT)
Warning
The set point may be changed if AMBIENT COMPENSATIONis used.