Note: If CO5 -> F00 - 1 is indicated, access to the return flow, flow rate and heat capacity
settings are locked.
Functions
WE Configuration
Return flow sensors RüF1/2/3 1
1.0
CO1, 2, 3, 4 -> F03 - 1
Limiting factor / 0.1 to 10.0
Return flow temperature
limitation with P algorithm
0 CO5 -> F16
Parameters
WE Parameter level / Range of values
Gradient, return flow 1.2 PA1, 2, 3 / 0.2 to 3.2
Level, return flow 0.0 °C PA1, 2, 3 / –30 to 30 °C
Return flow temperature foot 65 °C PA1, 2, 3 / 5 to 90 °C
Max. return flow temperature 65 °C PA1, 2, 3 / 5 to 90 °C
Max. return flow temperature 65 °C PA4 / 20 to 90 °C
or
Return flow temp. points 1 to 4 65 °C PA1, 2, 3 / 5 to 90 °C
Note: To ensure that the preset return flow temperature limiting can be met, make sure that
– the heating characteristic is not adjusted to ascend too steeply,
– the speed of the circulation pumps is not set too high,
– the heating systems have been calibrated.
7.5 Condensate accumulation control
Activate the Limit deviation for OPEN signal function to start up condensate accumulation
plants, in particular to avoid problematic excess temperatures. The controller response to set
point deviations which cause the primary valve to open is attenuated. The controller response
to set point deviations which cause the control valve to close remains unaffected.
Functions
WE Configuration
Limit deviation for OPEN signal 0
2 °C
CO1, 2, 3, 4 -> F13 - 1
Max. deviation / 2 to 10 °C
EB 5579 EN 97
System-wide functions
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