Vaillant ecoCOMPACT VCC4 Series, Installation And Maintenance Instructions Manual

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7 Start-up
20
Installation and maintenance instructions ecoCOMPACT 0020181421_04
7.5.1 Language
▶
Set the required language.
▶
Press ( OK ) twice to confirm the set language and to
avoid unintentionally changing it.
If you have unintentionally set a language that you do not
understand, proceed as follows to change it:
▶
Simultaneously press and hold and .
▶
Also press the fault clearance key for a short time.
▶
Press and hold and until the display shows the
language setting option.
▶
Select the required language.
▶
Confirm this change by pressing ( OK ) twice.
7.5.2 Filling mode
Filling mode (check programme P.06 ) is activated automatic-
ally in the installation assistant for as long as the filling mode
appears on the display.
7.5.3 Purging
Purging (check programme P.00 ) is activated automatically
in the installation assistant for as long as purging appears on
the display.
The programme must be carried out once or else the unit will
not start.
If the radiators in the house are fitted with thermostatic
valves, ensure that all of them are open so that the circuit is
properly purged.
7.5.4 Target flow temperature, domestic hot water
temperature, Comfort mode
1. To set the target flow temperature, domestic hot water
temperature and Comfort mode, use the
and
buttons.
2. Confirm the setting by pressing ( OK ).
7.5.5 Setting the maximum heating output
The unit's maximum heating output can be adjusted to the
system's heat demand. Use diagnostics code
D.000 to set a
value that corresponds to the output in kW.
7.5.6 Auxiliary relay and multi-functional module
Additional components that are connected to the product
can be adjusted here. You can use diagnostics codes
D.026 ,
D.027 and D.028 to change the setting.
7.5.7 Telephone number for the competent person
You can store your telephone number in the unit menu. The
end user can view the telephone number. The telephone
number can be up to 16 digits long and must not contain any
spaces.
7.5.8 Ending the installation assistant
Once the installation assistant has been completed and con-
firmed, it will not start up automatically next time the unit is
switched on.
7.6 Restarting the installation assistants
You can restart the installation assistant at any time by call-
ing it up in the menu.
Menu
→
Installer level
→
Start inst. assistant
7.7 Calling up appliance config. and diagnostics
menu
You can recheck and reset the most important system para-
meters using the diagnostics codes. Call up the
Appliance
config. to configure the unit.
Menu
→
Installer level Appliance config.
The settings options for more complex systems can be found
in the
Diagnostics menu .
Menu
→
Installer level Diagnostics menu
7.8 Performing a gas family check
Danger!
Risk of poisoning!
Inadequate combustion quality (CO), indic-
ated by
F.92/93 , leads to an increased risk of
poisoning.
▶
Make sure that the fault is completely
eliminated before starting up the product
for continuous operation.
Menu
→
Installer level
→
Test programs
→
Gas family
check
The gas family check checks the product setting with regard
to combustion quality.
Note
If additional condensing units are connected to the
same flue gas pipe in the heating installation, en-
sure that none of these condensing units are in
operation or start operating throughout the entire
test programme, so that the test result is not dis-
torted.
Applicability: Belgium
▶
Perform the gas family check as part of routine product
maintenance work, after replacing components or carry-
ing out work on the gas route.
Result Meaning Measure
F.92
Coding
resistance
fault The coding
resistor on the
PCB does not
match the gas
group that is
entered Check the coding res-
istor, repeat the gas fam-
ily check and enter the
correct gas group.
"Successful" Combustion
quality is good.
Unit configur-
ation matches
the specified gas
group. None