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A system with simultaneous room heating and DHW heating requires maximum energy.
4
A system with a fully charged storage tank which performs only room heating requires less
energy.
4
A system which suspends room heating during DHW heating requires less energy.
As a result, three different maximum limit values can be specified:
4
Max. limit value
to determine the absolute upper limit
4
Max. limit value for heating
for exclusive operation of the room heating
4
Max. limit value for DHW
for exclusive operation of the DHW heating
In all systems without DHW heating or without heating circuit, only the
Max. limit value
for the
flow rate or capacity can be set.
Capacity limitation
Parameters
WE Parameter level / Range of values
Maximum capacity of the entire system 50 kW PA5 / 0.1 to 5999 kW
Maximum capacity of the DHW heating 50 kW PA5 / 0.1 to 5999 kW
Proportional-action coefficient for limitation 1.0 PA5 / 0.1 to 10
By selecting “CONST“ additionally
Maximum capacity of the heating 50 kW PA5 / 0.1 to 5999 kW
By selecting “4-Pt“ additionally
Outdoor temperature Point 1
Point 2
Point 3
Point 4
–15 °C
– 5 °C
5 °C
15 °C
PA5 /–30 to 90 °C
Maximum limit of capacity, points 1 to 4 50 kW PA5 / 0.1 to 5999 kW
Flow rate capacity
Parameters
WE Parameter level / Range of values
Maximum flow rate of the entire system 9 m
3
/h PA5 / 0.01 to 99.9 m
3
/h
Maximum flow rate of the DHW heating 9 m
3
/h PA5 / 0.01 to 99.9 m
3
/h
Proportional-action coefficient for limitation 1.0 PA5 / 0.1 to 10
By selecting “CONST“ additionally
Maximum flow rate of the heating 9 m
3
/h PA5 / 0.01 to 99.9 m
3
/h
By selecting “4-Pt“ additionally
EB 5179 EN 83
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