Start-Up; Carrying Out The Initial Start-Up; Switching The Product On/Off; Running The Installation Assistants - Vaillant ecoTEC exclusive 627 Installation And Maintenance Instructions Manual

9

Start-up

9.1

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
Benchmark Checklist. The Benchmark Checklist in the ap-
pendix (→ Page 58) 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 Benchmark
Checklist in the appendix.
▶
Fill out and sign the Benchmark Checklist.
9.2

Switching the product on/off

▶
Press the on/off button on the product.
◁
The basic display appears on the display.
9.3

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
case.
9.3.1 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
▶
Also briefly press .
▶
Press and hold and
language setting option.
▶
Select the required language.
▶
Confirm twice by pressing
9.3.2 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.
24
in each
at the same time.
until the display shows the
.
Installation and maintenance instructions ecoTEC exclusive 0020193966_04
▶
Fill the heating installation. (→ Page 27)
9.3.3 Purging
1. Unlike in the Check programs menu, to purge the sys-
tem, start check programme P.00 by pressing
2. If you need to change the circuit that is to be purged,
press .
9.3.4 Target feed temperature
1. Press and to set the target feed temperature.
2. Confirm by pressing
9.3.5 Hot water temperature
Validity: 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.
Condition: Water hardness: > 3.57 mol/m³
– Water temperature: ≤ 50 ℃
9.3.6 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.
9.3.7 Green iQ
▶
Set Green iQ mode (energy-saving mode for hot water
generation with cylinder and heating mode) (default set-
ting: On).
Note
Green iQ mode is a special operating mode
that can be used to save energy. If this mode
is activated, the product operates in the heat-
ing and cylinder charging mode in such a way
that the maximum benefits associated with
condensing technology are achieved. Un-
der certain circumstances, this may result in
comfort bottlenecks because, in this operating
mode, the cylinder charging time may be ex-
tended, for example.
or
.
.
.