Heating To Constant Dhw Temperature; Heating With Automatic Mode - Viessmann VITOSOL 222-T Operating Instructions For The System User

Heating with the immersion heater
You can activate one or both time pha-
ses.
■ To activate time phase I:
press key K3 twice.
■ To activate time phase II:
press key K3 3 times.
■ To activate time phase I and II:
press key K3 4 times.
Changing the time phases
Press the following keys:
1. K3 ■ twice, if you wish to
change time phase I
■ 3 times, if you wish to
change time phase II.
2. K2 4 times, if you wish to set the
hour for the start time

Heating to constant DHW temperature

In this operating mode, the DHW cylinder
is heated to the DHW set value. Once the
actual DHW temperature has dropped
by 5 °C, the immersion heater is
switched on again and the water is
heated to the set DHW temperature.

Heating with automatic mode

This operating mode is set at the factory
to 04:00 and 16:00 h.
The immersion heater starts to heat the
DHW cylinder at these times. When the
set DHW temperature is reached, the
immersion heater is switched off.
(cont.)
3. K1/K3 for the desired value
4. K2 to confirm; the display for
setting the minutes for the
start time flashes.
5. K1/K3 for the desired value
6. K2 to confirm; the display for
setting the hours for the
stop time flashes.
7. K1/K3 for the desired value
8. K2 to confirm; the display for
setting the minutes for the
stop time flashes.
9. K1/K3 for the desired value
10. K2 to confirm
Press key K3 6 times.
The symbol appears in the display.
Press key K3 5 times.
The symbol appears in the display.
Settings
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