
Functions
WE
Configuration
F01 – Control mode
1
F01 - 1
F02 – Selecting the reference variable
0
F02 - 0
Parameters
WE
Range of values
P02 – Flow temperature set-back in reduced
operation
15 K
0 to 50 K
P03 – Min. flow temperature
20 °C
0 to 150 °C
P04 – Max. flow temperature
120 °C
0 to 150 °C
P05 – Heating characteristic gradient
1.6
0.2 to 3.2
P06 – Heating characteristic level
0 K
–30 to 30 K
Examples for setting the heating characteristic:
4
Old building, radiator design 90/70:
Gradient approx. 1.8
4
New building, radiator design 70/55:
Gradient approx. 1.4
4
New building, radiator design 55/45:
Gradient approx. 1.0
4
Underfloor heating depending on arrangement:
Gradient smaller than 0.5
18
EB 5757-7 EN
Functions
RüS
UP
VS
BE1
VL RL
AS
Fig. 11 · Typical application: Outdoor temperature compensated flow temperature control with return flow limitation;
switching between operating modes over a binary contact (BI1)
AS
Outdoor sensor
RüS Return flow sensor
VS
Flow sensor
UP
Circulation pump
RL
District heating network return flow
VL
District heating network supply