Settings; Setting The Time; Setting The Dhw Temperature; Heating With The Immersion Heater - Viessmann VITOSOL 222-T Operating Instructions For The System User

Settings

Setting the time

Press the following keys:
1. K2 once; the display for setting
the hours flashes.
2. K1/K3 for the required value

Setting the DHW temperature

If you wish to heat the DHW cylinder with
the immersion heater, set the desired
DHW temperature.
Setting range: 30 to 75 °C
Press the following keys:
1. K3 once. You are now in the set-
ting mode for the immersion
heater.

Heating with the immersion heater

Switching on the immersion heater

Press key K3 once.
In the display, the bar moves and the
symbol lights up.
When the set DHW temperature is
reached, the immersion heater is
switched off and the control unit switches
back to solar mode.

Timed heating

You specify when the DHW cylinder is to
be heated with the immersion heater.
8
3. K2 to confirm; the display for
setting the minutes flashes.
4. K1/K3 for the required value
5. K2 to confirm
2. K2 once; the display for the set
DHW temperature flashes.
3. K1/K3 for the required value
4. K2 to confirm
The immersion heater can be activated
to heat the DHW cylinder in the following
operating modes:
■ Timed heating
■ Heating with automatic mode
■ Heating to constant DHW temperature
Two phases are set at the factory:
■ 04:00 to 08:00 h
■ 16:00 to 20:00 h