Start-up
40 Installation and maintenance instructions ecoTEC plus 0020116700_01
10
10.2.5 Hot water temperature
Use the minus button and the plus button to set the hot
water temperature. Confirm your setting with OK.
10.2.6 Comfort mode
Use the minus button and the plus button to enable or disa-
ble comfort mode. Confirm your setting with OK.
10.2.7 Heating partial load
The heating partial load of the Vaillant ecoTEC plus boiler is
factory set to "auto". This means that the boiler independ-
ently determines the optimum heating output depending on
the current heat demand of the system. A setting is nor-
mally no longer required.
The setting can also be changed later using diagnostics
point D.000.
i
If you have activated return control under D.17,
the automatic heating output determination
function is not active. If you set d.00 to "auto"
anyway, the boiler operates with the maximum
possible heating partial load.
10.2.8 Auxiliary relay and multi-functional module
Additional components that are attached to the boiler can
be adjusted directly here.
This setting can be changed using diagnostics codes D.026,
D.027 and D.028.
10.2.9 Competent person telephone number
You can store telephone numbers in the menu.
The operator can display these in the information menu.
The telephone numbers can be up to 16 digits long and
must not contain any spaces. If the telephone number is
shorter, end the entry after the last digit by pressing the
right selector button.
All of the digits to the right will be deleted.
10.2.10 Terminating the installation assistant
If you have successfully run through and confirmed the
installation assistant, it will not start up automatically next
time the unit is switched on.
10.2.11 Restarting the installation assistant
You can restart the installation assistant any time by calling
it up manually in the menu.
Menu ¬ Installer level ¬ Installation assistant
10.3 Appliance configuration and diagnosis menu
If you have already filled and purged the heating installa-
tion and have terminated the installation assistant, but wish
to set the most important system parameters again, you
can also call up the "Appliance configuration" menu point.
Menu ¬ Installer level ¬ Appliance configuration
All of the setting options for more complex systems can be
found in the diagnosis menu (¬section11).
Menu ¬ Installer level ¬ Diagnosis menu
10.4 Using test programs
As well as the installation assistants, you can also call up
the test programs for start-up.
Menu ¬ Installer level ¬ Test programs
As well as the function menu (¬section12.3), an electron-
ics self test facility (¬section12.3.1) and the gas family
check (¬section12.1.5), you will also find the test programs
here.
Menu ¬ Installer level ¬ Test programs -> Test programs
If you activate different test programs, you can trigger spe-
cial functions on the boiler.
The following four test programs are available:
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