Viessmann VITOTRONIC 300 GW2 Operations Instructions download pdf (Page 19)

Settings

Setting the energy saving mode for the holiday period

(continued)

When the ”w” heating program is

set (see page 7), only freeze-up

protection of the heating system

takes place during the holiday

program.

Domestic hot water heating takes

place according to the preset time

program on the dates of your

departure and return.

Departure date

1. Open the cover on the programming

unit.

2. j

j Press j; the ”Holiday

program” display appears in

the display window.

3. Press ; the display

changes to the ”Departure

date” (actual day of the

week).

4. / Press / until the

required departure date

appears.

If you want to erase the holiday

program during the setting

procedure, press j again and

confirm ”Erase? Yes” with .

Return date

5. Press to confirm;

the display changes to the

”Return date” (the return

date shown is the day

following the entered

departure date).

6. / Press / until the

required return date appears.

7. Press to confirm;

the display changes and

shows the boiler

temperature.

8. To set the temperature for the

duration of the holiday program

(only in the ”rw” heating

program):

Press tm.

Set the required value with the

or button.

Confirm by pressing ; the

temperature value stops flashing

and is stored.

9. Close the hinged cover on the

programming unit.

This temperature also applies to

the reduced room temperature

outside the holiday program.

After the departure date, ”Holiday

program” and the actual date appear in

the display window. On the return

date, the boiler temperature appears in

the display window.

If you want to cancel the holiday

program before the selected return

date, press j again and confirm

”Erase? Yes” with .

5285 942 v1.4

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Viessmann VITOTRONIC 300 GW2 Operations Instructions Page 19

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