Operation
Operating instructions ecoTEC plus 0020134822_01
13
4
The heating installation is filled via a filling cock provided
by the installer (if a system separation device is used
between the unit heating circuit and the building heating
circuit).
>
Ask your competent person where the filling cock is
located.
>
Ask your competent person to explain how to fill the
heating installation.
1,0
Water pressure
Back
0,8
6,0
1
2
3
4.9 Digital display of filling pressure
You can show the exact filling pressure in the display
(
¬ section 4.6.3
).
Proceed as follows to fill the heating installation (building
heating circuit):
>
Open all radiator valves (thermostatic radiator valves) of
the heating installation.
>
Connect the filling cock for the heating installation, as
explained by your competent person, to a filling system.
>
Open the filling cock slowly.
>
Fill it with water until the required filling pressure is
reached in the display.
>
Close the filling system valve.
>
Purge all the radiators.
>
Then check the filling pressure on the display.
>
Fill with more water if required.
>
Close the filling cock.
When filling the unit heating circuit, the filling pressure pro-
file can be tracked on the unit display
>
Press the "Next" or "Back" selector button until you
have reached the desired level or the basic display.
If you do not press any buttons for more than 15 minutes,
the display returns to the basic display.
4.7
Setting the heating flow temperature
4.7.1
Setting the heating flow temperature
without a controller connected
60
Target flow temp.
Back
4.10 Setting the heating flow temperature
If no external controller is connected to the boiler, set the
heating flow temperature according to the respective out-
side temperature as follows:
>
Press the on/off switch to switch on the boiler.
>
Press the right-hand selector button
(" ").
The value of the heating flow temperature appears in the
display.
>
Use the minus button
or the plus button
to change the heating flow temperature.
>
Confirm the change by pressing the right-hand selector
button
("OK").
The heating flow temperature is factory-set for tempera-
tures up to 75 °C.
If higher (or lower) values can be set on your boiler, this
means that your competent person has calibrated your unit
to adjust the maximum temperature to your heating instal-
lation.
4.7.2
Using a controller to set the heating flow
temperature
If your gas-fired wall-hung boiler has a room thermostat
control system or weather compensator, make the following
settings:
>
Press the on/off switch to switch on the boiler.
>
Set the maximum heating flow temperature
(
¬ section 4.7.1
).
The actual heating flow temperature is automatically
adjusted by the controller (for information about this, see
the controller operating instructions).
