Vaillant eco TEC plus 415, Instructions Manual, Page: 166 / 172

Instructions for Use ecoTEC plus
6
4 Operation
4 Operation
4.1 Overview of controls on ecoTEC plus
Fig. 4.1 ecoTEC plus controls
For access to the controls open the front flap by
pulling at the centre of the case strip.
1 Display indicating the current heating flow
temperature, the operating mode or additional
information.
2 The “i” information button.
3 Built in control/timer (if fitted).
4 “+” button for moving forward in the display.
5 “-” button for moving back in the display.
6 “Reset” button.
7 Maximum radiator temperature control.
8 Optional maximum hot water temperature control
available only when additional optional accessories
are fitted (VR 65, VRT 360, VRC 400).
Advanced multifunctional display system
Fig. 4.2 Display on ecoTEC plus
The ecoTEC plus appliance is fitted with a digital
information and analysis system. This system provides
information on the operating status of your appliance.
During normal operation, the display (1) shows the
current heating flow temperature (in this example
45 °C). In the event of a fault, an error code appears
instead of the temperature. The display also gives the
following information:
1 Indication of the current heating flow temperature or
display of a status or error code
Fan speed malfunction.
Fan speed malfunction.
As long as this symbol appears in the display, a
heating flow temperature is set by the
vrnetDIALOG accessory, which means the
appliance uses temperatures other than those
set using the controls (7) and (8).
This condition can only be ended:
- using vrnetDIALOG or
- by a change in temperature at controllers (7)
or (8) of more than =
+
-
K.
This condition cannot be ended:
- with the “Reset” button (6) or
- by turning the appliance off or on.
Heating mode active.
Illuminated: Heating mode.
Flashing: Anti cycling mode active.
Hot water supply active.
Illuminated: Heating of an indirect hot water
cylinder turned on.
Flashing: Heating demand from the hot water
cylinder, burner on if optional accessories are
fitted.
External pump is running.
Gas valve is activated.
Flame with cross:
Boiler is at lock out and will display fault code.
Flame without cross:
Normal burner operation.
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