Operation; Overview Of Controls On Ecotec Plus; Initial Checks Before Turning On; Opening The Gas Service Valve - Vaillant ecoTEC plus Instructions For Use Manual

4 Operation

4 Operation
4.1

Overview of controls on ecoTEC plus

8
7
6
5
4
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
1
Fig. 4.2 Display on ecoTEC plus
The ecoTEC plus appliance is fitted with a digital infor-
mation and analysis system. This system provides infor-
mation 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 infor-
mation:
6
1 Indication of the current heating flow temperature or
display of a status or error code
Fan speed malfunction.
Fan speed malfunction.
1
2
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)
3
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.
4.2

Initial checks before turning on

4.2.1

Opening the gas service valve

• Ensure the gas service valve is open.
• Ensure the electrical supply to the boiler is turned on.
Fig. 4.3 Opening the gas service valve
Instructions for use ecoTEC plus / 0020020829_03
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