7 Start-up
16
Installation and maintenance instructions HOME 0020224355_00
5.
Proceed accordingly for all parameters that need to be
changed.
6.
Press and hold the
button for 3 seconds to finish
configuring the diagnostics codes.
◁
The display switches to the basic display.
6.2
Displaying the status codes
The status codes display the product's current operating
status.
Status codes
–
Overview (
→
Page 34)
6.2.1
Activating the status codes display
1.
Hold the
button down for more than 7 seconds.
◁
S.XX
is shown on the display, followed by the heat-
ing flow temperature, the internal system pressure
and the cylinder temperature (depending on the ver-
sion).
2.
Press the
button to exit this menu.
◁
The display switches to the basic display.
6.3
Using check programmes
By activating various check programmes, you can trigger
various special functions on the product.
Check programmes
–
Overview (
→
Page 30)
6.3.1
Calling up the check programmes
1.
Hold the
button down for more than 5 seconds.
◁
All symbols are shown in the display.
◁
is shown in the display.
2.
Press and hold the
button for five seconds.
◁
is shown in the display.
3.
Press the
or
button to select the check
programme.
4.
Press the
button to confirm.
◁
on
is shown in the display and the programme
starts.
5.
Press the
and
buttons at the same time whilst
running a check programme.
◁
The heating water temperature and the filling pres-
sure for the heating installation are shown altern-
ately in the display.
6.
Press the
button to return to the check programme.
◁
The display shows the check programme.
7.
Press the
button to finish the check programme.
◁
OFF
is shown in the display.
8.
Press and hold the
button for 3 seconds to finish
the check programmes.
◁
End
is shown in the display.
◁
The display switches to the basic display.
Note
If you do not press any button for 15 minutes,
the current programme is automatically can-
celled and the basic display is shown.
6.3.2
Displaying the pressure and temperature of
the heating during a check programme
1.
Press the
buttons simultaneously.
◁
Display the filling pressure in the heating installation.
◁
Display the heating flow temperature.
2.
Press the
button to display the check programme
currently running.
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 first-
commissioning-checklist. The first-commissioning-checklist
in the appendix (
→
Page 43) of the installation instructions
must be filled in and stored carefully along with the unit's
documentation.
▶
Carry out the initial start-up using the first-commission-
ing-checklist in the appendix.
▶
Fill out and sign the first-commissioning-checklist.
7.2
Checking the factory setting
Caution.
Risk of material damage caused by mak-
ing unauthorised settings.
▶
Never modify the factory setting of the gas
pressure regulator of the gas valve.
The product combustion is checked on-site and pre-set to
the type of gas specified on the identification 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 model
is not compatible
with the local gas type.
▶
Do not start up the product.
Conditions
: The product model
is compatible
with the local gas type.
▶
Proceed as described below.
Summary of Contents for home combi
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