Vaillant ecoTEC SERIES Instructions For Use Manual - page 7
6
Instructions for use ecoTEC / 838402-05
4 Operation
4.1
Overview of controls on ecoTEC plus and
ecoTEC exclusive
1
10
9
8
7
6
2
3
4
5
Fig. 4.1 ecoTEC plus and ecoTEC exclusive 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
pressure in the heating system, the operating mode or addi-
tional information
2 The “i” information button
3 Built in control/timer (if fitted)
4 Pressure gauge displaying the pressure in the heating system
5 Main ON/OFF control
6 “+” button for moving forward in the display
7 “-” button for moving back in the display or for
displaying the pressure in the heating system
8 “Reset”
button
9 Maximum radiator temperature control
10 Maximum hot water temperature control and warmstart ON/
OFF control (ecoTEC plus combination boilers only)
Advanced multifunctional display system
1
Fig. 4.2 Display on ecoTEC plus and ecoTEC exclusive
The ecoTEC plus and ecoTEC exclusive appliance is fit-
ted 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 cur-
rent heating flow temperature (in this example 45 °C).
In the event of a fault, an error code appears instead of
the temperature.
The ecoTEC exclusive display has also cleartext for a
direct information
The display also gives the following information:
1
Indication of the current heating system flow
temperature or water pressure in the heating
system or display of a status or error code
Actual setting of the modulation
(only ecoTEC exclusive)
Abcd...
Abcd...
Clear text display (only ecoTEC exclusive)
Fan speed malfunction
Fan speed malfunction
As long as this symbol appears in the display,
a heating flow temperature and hot water out-
let temperature is set by the vrnetDIALOG ac-
cessory, which means the appliance uses tem-
peratures other than those set using the con-
trols (9) and (10).
This condition can only be ended:
- using vrnetDIALOG or
- by a change in temperature at controllers
(9) or (10) of more than ±5 K.
This condition cannot be ended:
- with the "Reset" button (8) or
- by turning the appliance off or on.
Heating mode active
Illuminated: Heating
mode
Flashing:
Anti cycling mode active
Hot water supply active
(ecoTEC plus combination boilers only)
Illuminated:
Hot water demand
(ecoTEC system boilers only)
Illuminated:
Heating of an indirect hot
water cylinder turned on
Flashing:
Heating demand from the hot
water cylinder, burner on
4 Operation