Technical data

Overview of the operating controls

Fig. 2.2 ecoCRAFT operating controls

To open the front panel, hold the recess and fold the

panel out. You can now see the controls, which have the

following functions (cf. fig. 4.1):

1 Display indicating the current heating flow tem-

perature, the pressure of the heating system, the

operating mode and other additional information

2 Button "i" for displaying information

3 Controller (accessory)

4 On and Off switch

5 "+" button for navigating forwards through the

display view (used by expert technician to speci-

fy settings and for troubleshooting) or displaying

the storage temperature (VC with cylinder sen-

sor)

6 "–" button for navigating backwards through the

display view (used by expert technician to speci-

fy settings and for troubleshooting) and for dis-

playing the filling pressure of the heating system

7 "Reset" button for resetting the system in the

case of specific faults

8 Rotary knob to adjust the heating flow tempera-

ture.

9 Rotary knob to adjust the hot water temperaure

Overview of the functional controls

Note

When using Vaillant controls both dials must be

turned to maximum position.

Fig. 2.3 View from the right hand side

Key

1 Flow

2 Gas pipe

3 Air inlet box with dust filter

4 Condensate pan

5 Supply air hose

6 Drain point

7 Return

8 Return NTC

9 Water pressure sensor

10 Venturi

Installation and maintenance instructions ecoCRAFT - 0020055744_036

2 Description of the appliance