Vaillant ecoCRAFT VKK GB SERIES Installation Manual download pdf (Page 10)

10 Operating manual ecoCRAFT

4.5 Settings for the heating and hot water

operation

Virtually all the settings required for the matching of

your boiler to the heating installation will have been

made in the factory, or will have been matched to your

heating installation by your heating engineer.

Do not change any of the preset values on the boiler!

All time switching and temperature settings for

individual matching to the heating system for your

requirements can be made using the regulator. Observe

the corresponding operating manual when doing this.

The following settings can be made on the boiler

yourself.

Setting the maximum feed

temperature

Min

Factory

setting

(max.)

Store set value with “OK”

Parameter No.

Fig. 4.5 Feed temperature setting without heating regulator

Setting the maximum feed temperature

The maximum feed temperature can be set between 30

and 90 °C in the parameter level under point 3.

Caution!

None of the other settings in the parameter

level can be changed, to avoid malfunctions.

4.6 Diagnosis mode

In the diagnosis mode, you can have the individual

parameters of the boiler displayed. These settings

cannot be changed.

• Push the mode button twice to activate the diagnosis

mode "data".

• The following parameters can be called up one after

the other by repeated pushing of the i-button:

Display Meaning Unit

1 Boiler feed temperature °C

2 Boiler return temperature °C

3 No function –

4 No function –

5 No function –

6 Feed temperature target value °C

7 Preset value fan speed r.p.m.

8 Capacity enquiry, 1 module (40 kW) =100

% e. g. 250 % -> 2.5 x 40 kW = 100 kW

Table 4.2 Parameters in the diagnosis mode

If a negative value is shown under any of these points,

the corresponding sensor is not connected in the boiler.

The sensor is either not required for the regulation of

your heating installation or it is connected to the

heating regulator and can be displayed there. Observe

the corresponding operating manual when doing this.

4 Operation

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Vaillant ecoCRAFT VKK GB SERIES Installation Manual Page 10

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