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Parameter designation
Range of values (default settings)
4-point characteristic
Point 1: Flow temperature
Flow temperatures of the points 2, 3, 4 are marked by squares
below the numbers 2, 3, 4.
20 to 130 °C
(point 1 = 70 °C, point2=55°C,point3=40°C,point4=25°C)
4-point characteristic
Point 1: Return flow temperature
Return flow temperatures of the points 2, 3, 4 are marked by
squares below the numbers 2, 3, 4.
20 to 90 °C
(point1=65°C,point2=50°C,point3=35°C,point4=20°C)
4-point characteristic Set-back difference
Varying set-back differences can be entered for the second and
third points. The corresponding point is marked by squares below
the numbers 2 and 3.
0 to 50 °C (20 °C)
Maximum flow temperature
20 to 130 °C (90 °C)
Minimum flow temperature
20 to 130 °C (20 °C)
Control according to fixed set point:
Min. return flow temperature = Max. return flow temperature
108 EB 5179 EN
Appendix
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˚C
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˚C
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