Adapting The Boiler To The Heating Installation; Selection And Setting Of Parameters; Overview Of Adjustable System Parameters; Required - Vaillant ecoTEC VU 466/4 Installation And Maintenance Instructions Manual

7 Adapting the boiler to the heating installation

7 Adapting the boiler to the heating
installation
The ecoTEC boilers are equipped with a Digital
Information and Analysis system (DIA system).
7.1

Selection and setting of parameters

In the diagnosis mode, you can change various
parameters to match the boiler to the heating
installation.
+
+
Fig. 7.1. Setting the parameters
30
Table 7.1 shows only those diagnosis points where
modifications are possible. All the other diagnosis points
are only required for diagnostics and fault repair
(see Chapter 9).
Using the following description you can select the
relevant parameters:
• Push the "i" and "+" buttons simultaneously.
The display shows "d. 0".
• Scroll to the desired diagnosis code with the "+" or "–"
buttons.
• Push the "i" button.
The display shows the respective diagnosis information.
• If necessary, use the "+" or "–" keys to change the
value (display flashes).
• Save the new value by holding the "i" button pressed
for about 5 seconds until the display stops flashing.
You can finish the diagnosis mode as follows:
• Push the "i" and "+" buttons simultaneously or avoid
pressing any buttons for about 4 minutes.
The current heating flow temperature, or installation
pressure (if option is selected), reappears in the display.
7.2

Overview of adjustable system parameters

The following parameters can be set to match the boiler
to the heating installation and to suit the customers
requirements:
h Note!
You can enter your settings in the last column
after setting the appliance-specific parameters.
Note!
The diagnosis points d.14, d.17, d.18, d.20, d.26,
d.27, d.28, d.50, d.51, d.70, d.71, d.72, d.75,
d.77, d.78, d.84, d.93 and d.96 can be found at
diagnosis level 2, see Chapter 9.1.2.
Installation and maintenance instructions ecoTEC 0020029172_03