Commissioning And Adjustment - Viessmann Vitodens 222-F Installation Instructions Manual

Commissioning and adjustment

Switch position at the mixer
A
12
(cont.)
Rotary selector A at the mixer servo-
motor must be set to automatic (arrow
towards "A"). In case of mixer control
faults, turn the rotary selector to "man-
ual", and manually adjust the mixer
(emergency mode).