E-25
English
Configuring the Heat Pump Heating System 7.3
7.1.2 Optimization of the Heating Curve
There are two setting options for optimizing the heating curve:
Changing the gradient by means of a higher or lower
“Heating curve End point”
Raising or lowering the entire heating curve by means of the
buttons Hotter (
⇑) and Colder (⇓)
7.2 Regulation via Room Temperature
Particularly for well insulated houses, open-plan designs or for
heating large individual rooms, the return set temperature can be
calculated using the room temperature in a reference room.
Make selections in the menu “Settings – Heating circuit 1 –
Control by – Room temperature”.
Automatic Controller Action
The greater the deviation between the room temperature and the
room set temperature, the faster the return set temperature is
adjusted.
The response time can be changed by means of the adjustable
interval value (I value) if required. The longer the response time,
the slower the room set temperature is adjusted.
NOTE
The entered room set temperature cannot be changed by pressing the
buttons Hotter (⇑) and Colder (⇓).
Prerequisites:
For systems with silent cooling, the room climate control
station is used for room temperature measurement. For all
other systems, an additional room sensor (R13) must be
connected to the analogue input N1-B8.
Deactivation of individual room control, if installed, in the
reference room
Entry of a minimum return set temperature to prevent
cooling of the building if there is internal heat recovery in the
reference room.
Entry of a maximum return set temperature to prevent
overheating of the building if the windows are open
Constant room set temperature with the elimination of as
many raising and lowering operations as possible
NOTE
Activating the room temperature regulation or changing the room set
temperature can initially result in the room temperature being overshot.
7.3 Fixed-setpoint Regulation / Setting a Horizontal Heating Characteristic
Curve
For special cases (e.g. loading a buffer tank to a constant
temperature), it is possible to set a characteristic curve which is
independent of the external temperature. Make selections in the
menu “Settings – Heating circuit 1/2/3 – Control by – Fixed-
setpoint”. The desired return set temperature can be set in the
following menu item “Fixed-setpoint Control – Return set
temp.”.
NOTE
The entered fixed-setpoint can not be changed by pressing the buttons
Hotter (⇑) and Colder (⇓).
If
External temperature
under -7 °C -7 to +7 °C Over +7 °C
Too cold
Raise “Heating curve End point”
value by 2 °C to 3 °C
Raise Hotter (⇑) / Colder (⇓) by
1 °C to 2 °C
Raise Hotter (⇑) / Colder (⇓) by
1 °C to 2 °C and lower “Heating curve
End point” value by 2 °C to 3 °C
Too hot
Lower “Heating curve End point”
value by 2 °C to 3 °C
Lower Hotter (⇑) / Colder (⇓) by
1 °C to 2 °C
Lower Hotter (⇑) / Colder (⇓) by
1 °C to 2 °C and raise “Heating curve
End point” value by 2 °C to 3 °C
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