Restarting The Installation Assistants; Test Programmes; Checking The Factory Setting; Checking And Treating The Heating Water/Filling And Supplementary Water - Vaillant ecoTEC plus Installation And Maintenance Instructions Manual

7 Start-up
7.3

Restarting the installation assistants

Menu → Installer level → Start inst. assistant
You can restart the installation assistant at any time by call-
ing it up in the menu.
7.4

Test programmes

Menu → Installer level Test programs
As well as the installation assistants, you can also call up
the following test programmes for start-up, service and
troubleshooting.
–
Check programs
–
Function menu
–
Electronics self-test
7.5

Checking the factory setting

The product's combustion has been factory tested and is
preset for operation with the gas group indicated on the iden-
tification plate.
▶
Check the information about the type of gas indicated on
the identification plate and compare this with the type of
gas available at the installation location.
Conditions: The product design is not compatible with the local gas
group
▶
Do not start up the product.
Conditions: The product design is compatible with the local gas group
▶
Proceed as described below.
7.6 Checking and treating the heating
water/filling and supplementary water
Caution.
Risk of material damage due to poor-qual-
ity heating water
▶
Ensure that the heating water is of suffi-
cient quality.
▶
Before filling or topping up the system, check the quality
of the heating water.
Checking the quality of the heating water
▶
Remove a little water from the heating circuit.
▶
Check the appearance of the heating water.
▶
If you ascertain that it contains sedimentary materials,
you must desludge the system.
▶
Use a magnetic rod to check whether it contains mag-
netite (iron oxide).
▶
If you ascertain that it contains magnetite, clean the sys-
tem and apply suitable corrosion-protection measures, or
fit a magnet filter.
▶
Check the pH value of the removed water at 25 °C.
▶
If the value is below 6.5 or above 8.5, clean the system
and treat the heating water.
14
▶
Ensure that oxygen cannot get into the heating water.
(→ Page 16)
Checking the filling and supplementary water
▶
Before filling the system, measure the hardness of the
filling and supplementary water.
Treating the filling and supplementary water
▶
Observe all applicable national regulations and technical
standards when treating the filling and supplementary
water.
Provided the national regulations and technical standards
do not stipulate more stringent requirements, the following
applies:
You must treat the heating water in the following cases:
–
If the entire filling and supplementary water quantity dur-
ing the operating life of the system exceeds three times
the nominal volume of the heating installation, or
–
If the guideline values listed in the following table are not
met, or
–
if the pH value of the heating water is less than 6.5 or
more than 8.5.
Total
Water hardness at specific system volume
heating
≤ 20 l/kW
output
ppm
kW
CaCO₃ mol/m³
< 50 < 300 < 3
> 50 200 2
to ≤ 200
> 200 150 1.5
to ≤ 600
> 600 2 0.02
1) Nominal capacity in litres/heating output; in the case of multi-
boiler systems, the smallest single heating output is to be used.
Caution.
The use of unsuitable heating water may
cause aluminium corrosion and a result-
ing lack of leak-tightness.
In contrast to steel, grey cast iron or copper,
for example, aluminium reacts with alkaline
heating water (pH value > 8.5) to produce
substantial corrosion.
▶
When using aluminium, make sure that
the pH value of the heating water is
between 6.5 and a maximum of 8.5.
Caution.
Risk of material damage if the heating
water is treated with unsuitable additives.
Unsuitable additives may cause changes in
the components, noises in heating mode and
possibly subsequent damage.
▶
Do not use any unsuitable frost and cor-
rosion protection agents, biocides or seal-
ants.
Installation and maintenance instructions ecoTEC plus 0020200871_00
1)
> 20 l/kW
> 50 l/kW
≤ 50 l/kW
ppm ppm
CaCO₃ mol/m³ CaCO₃ mol/m³
200 2 2 0.02
150 1.5 2 0.02
2 0.02 2 0.02
2 0.02 2 0.02