Checking The Equipment Function; Heating; Hot Water Function; Subsequent Flushing Through Of The Heating System ("Hot") - Vaillant ecoTEC exclusive 832 Installation And Maintenance Instructions Manual

6 Start-up
6.3

Checking the equipment function

After installing and checking the gas supply pressure,
perform a function check before commissioning the
appliance and handing over to the user.
> Commission the appliance in accordance with the
instructions in the relevant operating manual.
> Check the gas infeed, exhaust gas installation, boiler
and heating installation and the hot water pipes for
leaks.
> Check the flue pipe for proper installation.
> Check over-ignition and that the flame on the burner
is burning evenly.
> Check the function of the heating (see Section 6.3.1)
and the hot water preparation (see Section 6.3.2)
> Hand the unit over to the user.
The Vaillant ecoTEC exclusive has status codes which
indicate the operating condition of the appliance in the
display. Functional checks of the hot water and heating
operation can be undertaken using these status codes
by pushing the button "i".
Fig. 6.7 Function check
6.3.1

Heating

> Switch on the appliance.
> Make sure that there is a heat demand for heating
(set the room thermostat or the weather-controlled
controller to "demand").
> Press "i" to activate the status indicator.
32
Fig. 6.8 Display during heating mode
As soon as there is a heat demand, the appliance goes
through the status displays "S. 1" to "S. 3", until the
appliance is running properly in normal operation and
the display "S. 4" appears.
6.3.2

Hot water function

> Switch on the appliance.
> Turn on a hot water tap fully.
> Press "i" to activate the status indicator.
When the hot water function is working correctly the
display shows "S.14".
Fig. 6.9 Display during hot water preparation
6.3.3 Subsequent flushing through of the heating
system ("hot")
> Allow the appliance to run until both the appliance
and the heating system have reached their operating
temperature.
> Check the heating system for leaks.
Installation and maintenance instructions ecoTEC exclusive 0020017768_07