Vaillant ecoCRAFT exclusive Operating Instructions Manual page 11

approximately five seconds or if the i
button is pressed.
2. Set up your product according to your
needs.
4.1.3 Switching off the product
▶
Use the main switch (1) to switch off the
product.
◁
0: "OFF"
Note
In order for the protection func-
tions, such as frost protection,
to remain activated, only activ-
ate and deactivate the product
using the control (you can find
information about this in the rel-
evant operating instructions). If
no control is present, block the
heating and cylinder charging
mode by turning the dial to the
anti-clockwise end stop.
4.1.4 Checking the system pressure
1
▶
Check the heating installation's filling
pressure at regular intervals. Briefly
press the − (1) button.
0020149575_01 ecoCRAFT exclusive Operating instructions
◁
The display will show the filling pres-
sure for approximately 5 seconds.
◁
The filling pressure must lie between
1.0 and 2.0 bar when the heating in-
stallation is cold in order for the heat-
ing installation to operate properly. If
the pressure is lower, you must add
heating water before starting up.
Note
You can permanently switch
between the temperature or
pressure display in the display
by pressing and holding the –
button for approximately five
seconds.
1
Operation 4
11