Changing The Domestic Hot Water Temperature - Viessmann VIVOTRONIC 050 HK3W Operating Instructions Manual

Settings
Time programs
(continued)
Changing and scanning the time program for domestic hot water heating and the DHW circulation pump (continued)

Changing the domestic hot water temperature

Desired DHW temp.
18
Domestic hot water heating on a one-off basis outside the programmed time
phases
1. Press the heating circuit selector
button; the button is lit.
2. M Press M twice 2 to 3 seconds
apart.
1. Open the hinged cover on the pro
gramming unit.
2. F Press F; the previous
temperature setting flashes
ºC
in the display window.
3. a/b Press the a/b button
until the required tempera
ture value appears.
4. d Confirm by pressing d;
the temperature value
stops flashing and is
stored.
The basic display appears.
5. Close the hinged cover on the pro
gramming unit.
Please note:
If the domestic hot water is sup
plied by a central DHW cylinder,
you cannot set a domestic hot
water temperature on the control
unit. "Without function" appears
in the display window.