Samson TROVIS 5579 - Limitation of the Calculated Capacity

Function
WE Parameter level / Range of values
Creep feed rate limitation 0
1
CO5 -> F12 - 1
bE = 0, 1
7.11.4 Limitation of the calculated capacity
The controller is able to calculate the heat capacity used in the system and to limit it depend-
ing on the operational circumstances. To achieve this, it uses a connected 0/4 to 20 mA sig-
nal for the flow rate, a primary return flow sensor and a primary flow sensor. All limits are
given in the unit kilowatt [kW]. The primary flow sensor is connected at input FG2.
The measured temperature of the primary flow sensor [°C] and the current capacity [kW] are
displayed in the extended operating level (-> key number 1999).
The flow set point of control circuit Rk1 is reduced if the capacity reaches the current
Maxi-
mum limit
. How strongly the controller responds is determined by the Limiting factor .
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 sensor RüF1 1
1.0
CO1 -> F03 - 1
Limiting factor / 0.1 to 10.0
Flow rate limitation in Rk1 using 0/4
to 20 mA at input WMZ
0
0 mA
1.5
m
h
3
1.5
m
h
3
1.5
m
h
3
1.0
CO5 -> F11 - 1
Lower measuring range value / 0, 4 mA
Upper meas. range value 20 mA / 0.01 to 650
m
h
3
Max. limit value heating*/ 0.01 to 650
m
h
3
Max. limit value DHW*/ 0.01 to 650
m
h
3
Limiting factor / 0.1 to 10.0
Capacity limitation based on a
connected flow rate signal in Rk1
0
1.5 kW
1.5 kW
1.5 kW
1.0
CO5 -> F13 - 1
Maximum limit / 0.1 to 6500 kW
Max. limit value heating*/ 0.1 to 6500 kW
Max. limit value DHW*/ 0.1 to 6500 kW
Limiting factor / 0.1 to 10.0
* Not in Anl 1.0, 1.5, 1.6, 3.0, 3.5, 4.0 and 11.x
104 EB 5579 EN
System-wide functions