Samson TROVIS 5432, Монтаж и эксплуатация

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7.5 Limitation of the return flow temperature
Setting with P5 = Fixed set point of return flow temperature, P8 = Kp Gain and
P9 = Tn Reset time.
This function is automatically activated when the sensor RüS for the return flow temperature
is connected.
The return flow temperature is limited to a fixed set point. The parameter P5 used for this
function is protected by a code number!
After selecting the parameter P5, you must first set the code
number 1732 and acknowledge it,
following this, you can change the parameter P5.
A PI algorithm exists for the limitation function. The integral-
action component (parameter P9) is set to zero in the de-
fault setting.
7.6 Drinking water priority
Set drinking water set point using the parameter P6 .
The function is automatically activated when the sensor TS for the drinking water temperatu-
re is connected.
If the temperature measured at the drinking water sensor TS falls below the limit value (par-
ameter P6) by more than 5 K for longer than 5 minutes, the power consumption of the heat-
ing circuit is reduced. For this purpose, the set point for the flow temperature is reduced
gradually in increments of 5 K. The flow temperature can be reduced down to the value set
in P3 "Minimum flow temperature".
The set point is reduced by 5 K if the flow temperature of the heating circuit is below its
set point when drinking water heating starts.
The current set point of the heating circuit is retained if the charging temperature measu-
red at the drinking water sensor TS is 5 K lower than its set point.
The heating circuit set point is raised if the charging temperature measured at the drin-
king water sensor TS exceeds its set point.
You can set the limit value (parameter P6) between 20.0 and 90.0 °C. Its default setting is
55 °C.
EB 5432-1 EN
27
Description of the controller functions