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settIng the heatIng curves of mIxIng cIrcle 1
NOTICE
Menu access to the heating curves of mixing circle
1 is only possible if a mixer is installed in the system
and mixing circle 1 is dened as a discharge mixing
circle in the system setting.
In the menu “Heating curves” select and activate the
menu eld “Mixing circle 1”…
The screen changes to the menu “Heating curves Mixing
circle 1”. The heating curves can be programmed if no
xed temperature is dened…
page 25, „Setting a xed temperature“
Set heating curves of mixing circle 1…
Follow the instructions
– under “Setting the heat-
ing curves of the heating circle”…
page 22
NOTICE
Ensure that you always dene ow temperatures
when setting the heating curves of mixing circle 1.
settIng a fIxed temperature
NOTICE
You can only determine a xed temperature if this
option has been selected by the system setting.
page 78, „System setting during commissioning“
NOTICE
The xed temperature is heated to independently
of the external temperature.
•
If the calculated return temperature corresponds to
the return temperature you require, you can quit the
menu.
•
If, however, the system operates to another return
temperature, select and activate the table eld “Heating
curve end point” in the table line “Heating curve end
point”, and change the return temperature value up-
wards or downwards (depending on whether a higher
or lower value is required)…
•
Finish entry in the table eld “Heating curve end
point”…
•
Scroll all the way down the menu “Heating curves
Heating” and save the settings…
•
Now check the temperature value displayed after the
menu eld “Calculated”…
If the calculated value now corresponds to the return
temperature you require, you can quit the menu.
Otherwise scroll all the way up the menu “Heating
curve Heating” and repeat steps
•
–
•
until the
calculated value comes closest to the required return
temperature.
NOTICE
An exact correspondence of the calculated value
with the required return temperature is hardly pos-
sible, as you can only set the return temperature
value in 0.5 °C- increments in the “Heating curve
end point” menu eld. Accept a return temperature
which is as close as possible to what you are aiming
for.
NOTICE
Adjusting the heating curve to reasonable settings
is crucial for the heat pump to operate in the most
energy efcient way. Setting the heating curve too
high will increase the total energy consumption of
the system!
NOTICE
The settings for the heating circle control how the
heat pump is switched on and off depending on the
temperature.
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