Vaillant ECOTEC EXCLUSIVE 627 VU 256/5-7 Installation And Maintenance Instructions Manual - page 17
Start-up 7
0020193966_01 ecoTEC exclusive Installation and maintenance instructions
17
6.3
Live Monitor (status codes)
Menu → Live monitor
Status codes in the display provide information on the pro-
duct's current operating mode.
Status codes – Overview (→ Page 41)
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 50) 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/off
▶
Press the on/off button on the product.
◁
The basic display appears on the display.
7.3
Running the installation assistants
The installation assistant is displayed whenever the product
is switched on until it has been successfully completed.
It provides direct access to the most important check
programmes and configuration settings for starting up the
product.
To recheck and reset the most important system parameters,
call up the Appliance config..
Menu → Installer level → Appliance config.
The settings options for more complex systems can be found
in the Diagnostics menu.
Menu → Installer level → Diagnostics menu
▶
Press
to confirm the start of the installation assistant.
◁
All heating and hot water requests are blocked whilst
the installation assistant is active.
Note
If you do not confirm the launch of the install-
ation assistant within 10 seconds of switching
the system on, the basic display reappears.
▶
To access the next point, confirm by pressing
in each
case.
7.3.1
Language
▶
Set the required language.
▶
To confirm the set language and to avoid unintentionally
changing it, press
to confirm this twice.
If you have unintentionally set a language that you do not
understand, proceed as follows to change it:
▶
Press and hold
and
at the same time.
▶
Also briefly press
.
▶
Press and hold
and
until the display shows the
language setting option.
▶
Select the required language.
▶
Confirm twice by pressing
.
7.3.2
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.
▶
Fill the heating installation. (→ Page 20)
7.3.3
Purging
1.
Unlike in the Check programs menu, to purge the sys-
tem, start check programme P.00 by pressing
or
.
2.
If you need to change the circuit that is to be purged,
press
.
7.3.4
Target feed temperature
1.
Press
and
to set the target feed temperature.
2.
Confirm by pressing
.
7.3.5
Hot water temperature
Applicability: Product with hot water generation through external domestic
hot water cylinder
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.
1.
Press
and
to set the hot water temperature.
2.
Confirm by pressing
.
3.
Set the hot water temperature.
Conditions: Water hardness: > 3.57 mol/m³
– Water temperature: ≤ 50 ℃
7.3.6
Heating partial load
The heating partial load of the product is set to Auto at the
factory. The product independently determines the optimum
heating output depending on the current heat demand of
the system. You can retroactively adjust the setting in the
Diagnostics menu under D.000.
7.3.7
Green iQ
▶
Set Green iQ mode (energy-saving mode for hot water
generation with cylinder and heating mode) (default set-
ting: On).