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5. Settings
The basic settings for the control function of the heating circuit are applied.
Basic settings applied.
By no means does the controller replace the safety appliances on
site!
S/W Day
Summer / Winter changeover in daytime mode
If this value is exceeded at the outdoor sensor the controller automatically switches the heating circuit off = Summer mode. If the
outdoor temperature drops below this value, the heating circuit is switched on again = Winter mode.
In addition to the operating times in normal daytime operation, this setting is also valid for times with activated comfort.
S/W Night
Summer/Winter changeover in night-time mode
If this value is exceeded at outdoor sensor S1 during the nighttime mode times, the controller automatically switches the heating
circuit off = Summer mode. If the outdoor temperature drops below this value, the heating circuit is switched on again = Winter
mode.
Curve
Type and slope of the heating characteristic curve
The characteristic curve is used to control the heat dissipation of the heating circuit relative to the outdoor temperature. The
demand for heat differs due to factors such as the type of building, heating, insulation and outdoor temperature. For this reason,
the controller can operate with a normal straight curve (setting ‚simple‘) or split curve (setting split‘).
If simple is selected, the curve is adjusted using the graphic diagram. While setting the slope, the controller also shows the slope
value and the calculated target flow temperature at -12 °C as a reference point.
If split‘ is selected, the curve is set in the following steps:
1. Slope over outdoor temperature for change
2. Outdoor temperature for slope change
3. Slope below outdoor temperature for change
While setting the slope, the controller also shows the slope value and the calculated target flow temperature at -12 °C as a ref-
erence point. In case of repeated adjustment of the split curve, the settings appear in reverse order.
The diagram shows the influence of the selected characteristic curve
steepness (standard curve) on the calculated reference flow
temperature of the heating unit. The correct characteristic curve is determ-
ined by defining the intersection point of the maximal calculated flow tem-
perature (=design temperature) at minimal outdoor temperature.
Example: The design temperature of the heater 60 °C flow at lowest out-
door temperature according to calculation of heat requirement
-12 °C. The intersection point renders a slope of 1.2 as the setting.
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