Removing The Front Panels; Accessing The User Interface Programming Unit - Viessmann VITODENS 222-F Service Instructions Manual

Vitodens 222-F B2TB 19 and 35 Service

Removing the Front Panels

Accessing the User Interface Programming Unit

Some of the following service steps require the removal
of the front enclosure panel. To avoid personal injury
and/or product damage of any kind please follow the
instructions below carefully when removing the front
enclosure panel.
IMPORTANT
Close the main gas supply line.
1. Remove the front upper panel.
2. Tilt and remove the lower front panel.
3. Remove the retaining screw and set aside.
4. Remove the lower front panel.
1. Turn up both locks to unlock the user interface
programming unit covers.
2. Slide open the user interface programming unit
covers.
3. Turn on the boiler by pressing the ON/OFF switch.
Start-up
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