Viessmann Vitodens 222-F Installation Instructions Manual page 11

Electrical connections
4. Connect the power cable with 2 plugs
fÖ (supplied with the connection set
"Solar extension") into fÖ A at the
assembly kit and at fÖ at the solar
control module.
Connecting the maximum temperature limiter or controller to the
mixer control
Separate installation instructions
Commissioning and adjustment
Filling and commissioning the heating system
Boiler service instructions.
Matching the control settings
At the boiler control unit, select code "9F:
12".
(cont.)
Danger
Escaping gas leads to a risk of
explosion.
Check all gas connections for
tightness.
Boiler service instructions.
11