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4 Operation
Conditions: Controller connected
▶
Set the maximum possible heating flow temperature on
the product.
▶
Confirm by pressing
▶
Set the required heating flow temperature on the control-
ler (→ Controller operating instructions).
4.14
Switching Green iQ mode on and off
Note
Green iQ mode is an energy-saving operating
mode. If this mode is activated, the product oper-
ates in the heating and cylinder charging mode in
such a way that the maximum benefits associated
with condensing technology are achieved.
1.
Press
and
at the same time.
◁
The menu is called up.
2.
Navigate to the Green iQ menu item and press
–
Menu → Basic settings → Green iQ
3.
Press
or
to activate or deactivate Green iQ
mode respectively.
◁
Mode on or Mode off will flash on the display.
4.
Confirm by pressing
◁
If you have activated Green iQ mode, the
will appear on the basic display. If you have deactiv-
ated Green iQ mode, the
from the basic display.
4.15
Guaranteeing the correct filling pressure of
the heating installation
4.15.1 Checking the filling pressure of the heating
installation
Note
To ensure that the heating installation operates
smoothly, the filling pressure when the heating
installation is cold must be between 0.1 MPa and
0.2 MPa (1.0 bar and 2.0 bar) or lie between the
two dashed lines in the bar graph display.
If the heating installation extends over several
storeys, a higher filling pressure may be required
for the heating installation. Ask a competent per-
son for details.
If the filling pressure in the heating installation
falls below 0.05 MPa (0.5 bar), then the product
switches off. The display alternates between the
fault message F.22 and the current filling pres-
sure.
In addition, the
one minute.
1.
Press
twice.
◁
The current filling pressure (1) is shown in the
display, along with the permissible filling pressure
range.
2.
Check the filling pressure in the display.
10
.
.
symbol
symbol will disappear
symbol appears after approx.
1 / 2
System pressure: 0.1 ... 0.2 MPa (1.0 ... 2.0 bar)
The filling pressure is in the intended pressure range.
2 / 2
Filling pressure: < 0.08 MPa (< 0.80 bar)
▶
Fill the heating installation. (→ Page 10)
◁
If you have topped up the installation with suf-
ficient heating water, the display automatically
disappears after 20 seconds.
4.15.2 Filling the heating installation
Caution.
Risk of material damage due to heating
water that is extremely calciferous or cor-
rosive or contaminated by chemicals.
Unsuitable tap water damages the seals
and diaphragms, blocks components in the
product and heating installation through
.
which the water flows and causes noise.
▶
Only fill the heating installation with suit-
able heating water.
1.
Ask a competent person where the filling cock is loc-
ated.
2.
Connect the filling tap to a heating water supply in the
way you were told by the competent person.
3.
Open all radiator valves (thermostatic radiator valves) of
the heating installation.
4.
Open the heating water supply.
5.
Turn the filling cock on slowly and allow water to flow in
until the required filling pressure has been reached.
6.
Close the heating water supply.
7.
Purge all radiators.
8.
Check the filling pressure in the display.
9.
Top up with more water if necessary.
10. Close the filling cock.
11. Go back to the Basic display (→ Page 7).
4.16
Switching off the product's functions
4.16.1 Switching off hot water generation
Applicability: Product with hot water generation through external domestic
hot water cylinder
1.
To switch off cylinder charging without switching off
heating mode, press
◁
The set hot water temperature flashes in the display.
2.
Use the
button to set the hot water temperature to
Cylinder charging off.
3.
Confirm by pressing
◁
Cylinder charging is switched off.
◁
Only the frost protection function for the cylinder
remains active.
Operating instructions ecoTEC exclusive 0020189874_03
(
).
.
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