Maximum Limitation Of The Flow Temperature Setpoint - Siemens Synco 700 Series Basic Documentation

With effect on the
consumers
94/232
Building Technologies
HVAC Products
T
T
Minimum limitation of the
return temperature with
separate mixing valve per
boiler
Main menu > Commissioning > Settings > ... or
Main menu > Settings > Boiler sequence manager > Limitations
Operating line
MBRT Return temp minimum
Main menu > Commissioning > Settings > ... or
Main menu > Settings > Boiler sequence manager > Return control
Operating line
Actuator running time
P-band Xp
Integral action time Tn
If only a return temperature sensor without mixing valve has been configured, the
system tries to limit the return temperature by influencing the consumers. If the return
temperature is too low, load control restricts the amount of heat drawn by the consum-
ers.
For more detailed information, refer to subsection 5.6.2 "Load control".
The type of locking signals can be selected on submenu Limitations.
Main menu > Commissioning > Settings > ... or
Main menu > Settings > Boiler sequence manager > Limitations
Operating line
Lock sig maintained boil ret temp
The main pump, like the boiler pump, never responds to locking signals.
Whether or not the system pump shall respond to locking signals can be selected on
function block "Primary controller".
Main menu > Commissioning > Settings > ... or
Main menu > Settings > Primary controller > Limitations
Operating line
System pump locking signal
6.6.2

Maximum limitation of the flow temperature setpoint

Main menu > Commissioning > Settings > ... or
Main menu > Settings > Boiler sequence manager > Limitations
Operating line
Main flow setpoint max
Using this setting, the flow temperature setpoint, which is calculated by the function
block through generation of the maximum value, can be limited at a maximum.
Boiler Sequence Controller RMK770
6 Boiler sequence management
T T
T
Minimum limitation of the return temperature
with common mixing valve
Range
---- / 8...140 °C
Range
1.0...600.0 s
1.0...100.0 K
0.0...600.0 s
Range
None / Uncritical / Critical
Range
On / Off
Range
25...140 °C
T
T
Factory setting
---- °C
Factory setting
150 s
50 K
60 s
Factory setting
Critical
Factory setting
Off
Factory setting
95 °C
CE1P3132en
23.04.2009