Fixed Set Point Control - Samson TROVIS 5474 Mounting And Operating Instructions

System-wide functions
Parameters
Outdoor temperature
Flow temperature
Set-back difference
Max. flow temperature
Min. flow temperature
8.2

Fixed set point control

During the times-of-use, the flow temperature can be controlled according to a fixed Set point .
Outside the times-of-use, this Set point is reduced by the Set-back difference .
The fixed set point control is activated when there is no outdoor sensor AF connected to the sys-
tem or when it has been configured in the function block Type of characteristic. In the case that
the fixed set point control is configured and an outdoor sensor is connected, the outdoor tem-
perature is displayed in the InF5 level. The outdoor temperature does not have any effect on the
control loop.
Functions
Type of characteristic
Type of characteristic for separate/
direct heating circuit*
Parameters
Flow temperature set point
Set-back difference
52
EB 5474 EN
WE Parameter level / Range of values
Point 1 –10 °C PA2*, PA3*, PA5 / –20 to 50 °C
Point 2 – 5 °C
Point 3 5 °C
Point 4 10 °C
Point 1 90 °C PA2*, PA3*, PA5 / 20 to 160 °C
Point 2 80 °C
Point 3 68 °C
Point 4 50 °C
Points 15 °C PA2*, PA3*, PA5 / 0 to 30 °C
½ 20 °C
Points
3/4
90 °C PA2*, PA3* / 20 to 160 °C
20 °C PA2*, PA3* / 20 to 120 °C
* Only in systems Anl 1 to 3 with Co5 -> Fb13 = ON
WE Configuration
OFF Co5 -> Fb03 = OFF
OFF Co2, Co3 -> Fb10 = OFF*
* Only in systems Anl 1 to 3 with Co5 -> Fb13 = ON
WE Parameter level / Range of values
70 °C PA2*, PA3*, PA5 / 20 to 160 °C
15 °C PA2*, PA3*, PA5 / 0 to 30 °C
* Only in systems Anl 1 to 3 with Co5 -> Fb13 = ON