Operation; Operating Concept; Calling Up The Installer Level; Live Monitor (Status Codes) - Vaillant ecoTEC plus Installation And Maintenance Instructions Manual

6 Operation

Conditions: Connecting a limit thermostat for underfloor heating
▶
Remove the bridge and connect the limit thermostat to
the Burner off connection.
5. Close the electronics box.
6. For multi-circuit controllers, change D.018 from Eco (in-
termittently operating pump) to Comfort (continuously
operating pump). (→ Page 28)
5.10.7 Connecting additional components
You can actuate an additional component with the aid of the
auxiliary relay that is installed, and you can actuate two other
components with the multi-functional module.
5.10.7.1 Using the auxiliary relay
1. Connect an additional component directly to the integ-
rated auxiliary relay using the grey plug on the PCB.
2. Carry out the wiring.
3. To start up the connected component, select the com-
ponent in diagnostics code D.026. (→ Page 28)
5.10.7.2 Using the VR 40 ("2 in 7" multi-functional
module)
1. Install the components in accordance with the respect-
ive instructions.
Conditions: Components connected to relay 1
▶
Activate D.027. (→ Page 28)
Conditions: Components connected to relay 2
▶
Activate D.028. (→ Page 28)
5.10.8 Actuating the circulation pump according
to requirements
1. Carry out the wiring.
2. Connect the supply line for the external button using
terminals 1 (0) and 6 (functional drawing) on the X41
edge connector, which is supplied with the controller.
3. Plug the edge connector into the PCB slot X41.
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 41)
20
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 47)
6.4

Setting the hot water temperature

Conditions: Water hardness: > 3.57 mol/m³
Danger!
Risk of death from Legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the operator is familiar with
all of the Anti-legionella measures in or-
der to comply with the applicable regula-
tions regarding legionella prevention.
▶
Set the hot water temperature to a maximum of 50 °C.
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 55) 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 and 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.
Installation and maintenance instructions ecoTEC plus 0020209593_01
.