Dhw Demand; Increased Dhw Hygiene - Viessmann VITOCAL 060-A Operating Instructions For The System User

DHW heating
Setting a time program
4. Confirm with OK.
5. Use +/− to select an hour.
6. Confirm with OK.
DHW heating is switched on during the highlighted
hour.
7. Select further hours.
8. To save, press and hold OK for 3 seconds.
"SAVE" appears.

DHW demand

The draw-off profile can be changed from L (2 people)
to XL (4 people) to accommodate a higher DHW
demand or provide greater convenience. This change
may only be made by your contractor.

Increased DHW hygiene

This function allows you to improve the microbiological
quality of the water in the DHW cylinder.
To ensure increased DHW hygiene, the drinking water
in your DHW cylinder can be heated to 60 °C at regu-
lar intervals.
Your contractor can set this function at the control unit
and select an interval between 1 and 30 days.
16
(cont.)
9. Repeat these steps for the other days.
Note
If no button is pressed for 30 seconds, the program
■
closes without saving. "EXIT" appears.
■ If the time and day have not yet been set, the heat
pump control unit will ask you to do this. See
page 18.
This function switches on regardless of the selected
operating program.
During DHW heating for increased DHW hygiene, the
symbol next to the DHW temperature rotates.