Start-Up/Shutdown; Control Unit Start-Up; Control Unit Shutdown - Viessmann VITOSOL 222-T Operating Instructions For The System User

Control unit start-up

Insert plug with integral residual current
device into the socket.
Follow the instructions for checking the
plug on page 13.

Control unit shutdown

Remove the plug with integral residual
current device from the socket.

Start-up/shutdown

Press key K4.
The control unit is in solar mode. This
means that the DHW cylinder is heated
by the vacuum tube collector.
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