Samson 5757-7 Mounting And Operating Instructions page 18

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