7 Start-up
18
Installation
and
maintenance
instructions
ecoTEC
pro
0020244995_02
6.5
Setting the hot water temperature
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the end user is familiar with
all of the Anti-legionella measures in order
to comply with the applicable regulations
regarding legionella prevention.
▶
Set the hot water temperature.
Conditions
: Water hardness: > 3.57 mol/m
³
–
Water temperature:
≤
50
℃
7
Start-up
7.1
Carrying out the initial start-up
Initial start-up must be carried out by a customer service
technician or an authorised competent person using the
commissioning checklist. The commissioning checklist in the
appendix (
→
Page 41) of the installation instructions must be
filled in and stored carefully along with the unit's documenta-
tion.
▶
Carry out the start-up procedure using the commissioning
checklist in the appendix.
▶
Fill in and sign the commissioning checklist.
7.2
Switching the product on and off
▶
Press the on/off button on the product.
◁
The basic display appears on the display.
7.3
Using check programmes
Call up the installer level + 1x
By activating various check programmes, you can trigger
special functions on the product.
Check programmes
–
Overview (
→
Page 38)
7.4
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 installation, 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 installation.
▶
Use a magnetic rod to check whether it contains mag-
netite (iron oxide).
▶
If you ascertain that it contains magnetite, clean the in-
stallation and apply suitable corrosion-protection meas-
ures, or fit a magnetic filter.
▶
Check the pH value of the removed water at 25 °C.
▶
If the value is below 8.2 or above 10.0, clean the installa-
tion and treat the heating water.
▶
Ensure that oxygen cannot get into the heating water.
Checking the filling and supplementary water
▶
Before filling the installation, 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 8.2 or
more than 10.0.
Total
heating
output
Water hardness at specific system volume
1)
≤
20 l/kW
> 20 l/kW
≤
50 l/kW
> 50 l/kW
kW
ppm
CaCO
₃
mol/
m
³
ppm
CaCO
₃
mol/
m
³
ppm
CaCO
₃
mol/
m
³
< 50
< 300
< 3
200
2
2
0.02
> 50
to
≤
200
200
2
150
1.5
2
0.02
> 200
to
≤
600
150
1.5
2
0.02
2
0.02
> 600
2
0.02
2
0.02
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.
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.
No incompatibility with our products has been detected to
date with proper use of the following additives.
▶
When using additives, follow the manufacturer's instruc-
tions without exception.
We accept no liability for the compatibility of any additive or
its effectiveness in the rest of the heating system.
