Switching The Product To Standby Mode - Vaillant ecoTEC pure VC 146/7-2 Operating Instructions Manual

4.7.2 Filling the heating installation
Caution.
Risk of material damage due
to heating water that is ex-
tremely calciferous or corros-
ive or contaminated by chem-
icals.
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 install-
ation with suitable heating
water.
▶
In case of doubt, ask a com-
petent person for details.
Note
The competent person is respons-
ible for filling the heating installa-
tion the first time.
Applicability: Product without filling device
▶
On-site, connect the filling cock to a
cold water pipe, as explained by the
competent person.
▶
Open all radiator valves (thermostatic
radiator valves) of the heating installa-
tion.
▶
Open the cold water pipe.
▶
Turn the filling cock on slowly and al-
low water to flow in until the required
system pressure has been reached.
▶
Close the cold water pipe.
▶
Purge all radiators.
▶
Check the system pressure on the
display. (→ Page 12)
▶
Top up with more water if required.
▶
Close the filling cock.
▶
Disconnect the filling cock from the
cold water pipe.
0020258017_00 ecoTEC pure Operating instructions
Applicability: Product with filling device
▶
Open all radiator valves (thermostatic
radiator valves) of the heating installa-
tion.
▶
Slowly turn the blue valve on the
filling device (1) that is located be-
low the product and top it up with wa-
ter until the required system pressure
has been reached.
▶
Purge all radiators.
▶
Check the system pressure on the
display. (→ Page 12)
▶
Top up with more water if required.
▶
Close the blue valve on the filling
device (1).
4.8 Switching the product to
standby mode
▶
Press the button for less than three
seconds.
◁
Once the requirement currently in
use has finished, the display will
show OFF and go out.
◁
The product is now in standby mode.
◁
The product's frost protection func-
tion is activated.
◁
The main power supply is not inter-
rupted. The product continues to be
supplied with power.
Function 4
1
13