Viessmann Vitodens 200 Operating Instructions And User's Information Manual page 12

Level 3 General Function
Access level
Return to
Access Level
12
Function 001-A
General
Press
Use or to
select desired function
Access Level
Operation Data
Nominal Values
Relay Test
Configuration
Date/Time
Access Level 1 or 2
Press once to enter
menu option and view
current Access Level. .
Press again and
ensure current level is
flashing.
Press any combination of
buttons for Access Level 1.
Press button, button,
and then button
for Access Level 2.
To go back to Access Level
3, press the button.
Watch for flashing level
indicator. Enter
, ,
and buttons.