Manual Vaillant ecoTEC plus (page 7 of 16) (English)

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7Instructions for use ecoTEC / 838402_06

Flame with cross:

Boiler is at lock out and will display fault code

Flame without cross:

Normal burner operation

4.2 Overview of controls on ecoTEC pro

bar

iFP

Fig. 4.3 ecoTEC pro controls

1 Display indicating the current heating flow temperature, the

pressure in the heating system or additional information

2 Indicator lights to display the current operating mode

3 The “i” information button

4 Built in control/timer (if fitted)

5 Pressure gauge displaying the pressure in the heating system

6 Main ON/OFF control

7 “+” button for moving forward in the display

8 “-” button for moving back in the display or for displaying the

pressure in the heating system

9 “Reset” button

10 Maximum radiator temperature control

11 Maximum hot water temperature control and warmstart ON/OFF

Multifunctional display system

ecoTEC pro boiler has a multifunction display (1). When

the main ON/OFF control is in the “ON” position the dis-

play will normally show the system CH flow temperature

of water in the boiler circuit (45 °C in the example),

which confirms that the boiler is functioning correctly.

As long as this symbol appears in the display,

a heating flow temperature and hot water outlet

temperature is set by the vrnetDIALOG accessory,

which means the appliance uses temperatures

other than those set using the controls (10) and (11).

This condition can only be ended:

- using vrnetDIALOG or

- by a change in temperature at controllers (10)

or (11) of more than 5 K.

This condition cannot be ended:

- with the "Reset" button (9) or

- by turning the appliance off or on.

bar

iFP

Fig. 4.4 ecoTEC pro indicator lights

1 Display indicating flow temperature or the system pressure or

the relevent fault code.

2 Green warmstart indicator

Illuminated = Warmstart switched ON

Not illuminated = Warmstart is switched OFF and there is no

demand for hot water

Flashing = There is either a demand for hot water or warmstart

3 Yellow indicator - Illuminated = Main burner ignited

4 Red indicator

Illuminated = Boiler is at lock out and will display fault code

4.3 Initial checks before turning on

4.3.1 Opening the service valves

ecoTEC plus and pro

Note

If a bottom cover is fitted to the boiler the

service valves are behind this cover.

90˚

Fig. 4.5 Opening the service valves on ecoTEC plus combina-

tion boilers

Operation 4

How to install low cost regime of Vaillant gas ketel (low gas consumption)
-CV temperature ?
- water temperature ?
- Pump speed? Submitted on 10-2-2022 at 01:30
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Others manual(s) of Vaillant ecoTEC plus

Vaillant ecoTEC plus User Manual - German - 32 pages

Vaillant ecoTEC plus User Manual - German - 22 pages

Vaillant ecoTEC plus Manual - Dutch - 2 pages

Vaillant ecoTEC plus Installation Guide - Dutch - 76 pages

Vaillant ecoTEC plus User Manual - Dutch, French - 22 pages

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