Vaillant ecoTEC plus SERIES Installation And Maintenance Instructions

Start-up
Installation and maintenance instructions ecoTEC plus 0020116700_01 47
10
> Start up the boiler in accordance with the relevant oper-
ating instructions.
If you have still not successfully completed the installation
assistant and subsequently confirmed this, it will be
restarted when you switch on the boiler. Before continuing,
complete the installation assistant (¬section10.2).
10.8 Checking for leaks
> Check the gas supply line, the flue gas installation, the
heating installation and the hot water pipes for leaks.
> Check the air/flue gas duct for correct installation.
> Make absolutely sure that the front casing is properly fit-
ted.
> Check the heating mode (¬section10.12.1)
> Check the operation of the hot water generation
(¬section10.12.2 and 10.12.3)
You can display the current operating condition of the
boiler in the "Live monitor" on the boiler display
(¬section13.2.1).
Menu ¬ Live monitor
10.12.1 Checking the heating mode
> Switch on the boiler.
> Make sure that there is a heat requirement.
> Activate the Live monitor (¬section13.2.1).
S.04
Heating mode
Burner on
Back
10.9 Live monitor – display during heating mode
If the boiler is operating correctly, the display will show sta-
tus code "S.04". The status code displayed will also be
explained by the plain text display "Heating mode: Burner
on".
10.12.2 Checking hot water generation
(VUW boilers only)
> Switch on the boiler.
> Open a hot water valve all the way.
> Activate the Live monitor (¬section13.2.1).
If hot water generation is working correctly, the display
shows "S.14". The displayed status code is also explained by
the plain text display "DHW mode: Burner on".
S.14
DHW mode
Burner on
Back
10.10 Display during hot water generation (VUW boilers only)
10.12.3 Checking hot water generation
(VU boilers only)
> Switch on the boiler.
> Switch on the connected domestic hot water cylinder.
> Make sure that the cylinder thermostat is requesting
heat.
> Activate the Live monitor (¬section13.2.1).
If the cylinder is being charged correctly, status code "S.24"
appears in the display. The status code that is displayed is
also explained by the plain text display "DHW mode: Burner
on".

Vaillant ecoTEC plus SERIES Specifications

General

Model	ecoTEC plus SERIES
Mounting	Wall-mounted
Fuel Type	Natural Gas / LPG
ErP Heating Efficiency Class	A
NOx Class	5
Category	Boiler
Type	Condensing
Efficiency	Up to 94%
ErP Water Heating Efficiency Class	A