Operation; Operating Concept; Calling Up The Installer Level; Live Monitor (Status Codes) - Vaillant VU 246/6-5 OVZ (P-GB) ecoTEC plus 424 P Installation And Maintenance Instructions Manual

Conditions: If installing a multi-circuit controller.
▶
Change the pump's operating mode d.18 from Eco (in-
termittently operating pump) to Comfort (continuously
operating pump).
Conditions: When connecting a control (230 V).
L
▶
Connect the control to the main plug.
▶
Remove the bridge from the plug 24V=RT.
Conditions: 230 V 3-wire connection
▶
Connect the boiler only using the set with article number
0020244337 (Installation Kit, 3-wire, Vaillant).
–
When connecting, observe the instructions for the
set.
▶
Connect the control to the main plug X1.
– Terminal assignment: L – Phase, N – neutral con-
– earth
ductor,
▶
Draw the end user's attention to the fact that the follow-
ing features are present with this installation type.
◁
The frost protection function is deactivated. If the
product is installed in a room where there is a risk
of frost and it has not been protected by a room ther-
mostat, install an additional frost protection thermo-
stat.
◁
The pump programmes are not active.
◁
If the product is switched off, the display is switched
off.
◁
Each time the unit is started, the fan runs for
20 seconds.
◁
Residual heat in the heating return may result in the
product blocking the burner for 10 minutes.
4. Close the electronics box.
6

Operation

6.1

Operating concept

The operating concept and the read-off and setting facilities
of the operator level are described in the operating instruc-
tions.
An overview of the reading and setting options for the in-
staller level is included in the table in the appendix.
Installer level – Overview (→ Page 27)
0020239015_05 ecoTEC plus Installation and maintenance instructions
X1
N
RT
230V~
6.2

Calling up the installer level

1. Only call up the installer level if you are a competent
person.
Navigate to Menu → Installer level and confirm by
2.
pressing .
3.
Set the value 17 (code) and confirm by pressing
6.3

Live Monitor (status codes)

Menu → Live Monitor
Status codes in the display provide information on the pro-
duct's current operating status.
Status codes – Overview (→ Page 32)
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 38) of the installation instructions
must be filled out 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

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 installation assistant start-up.
◁
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.
7.2.1 Language
▶
Set the required language.
▶
To confirm the set language and to avoid unintentionally
changing it, press twice to confirm this.
Operation 6
.
in each
15