Viessmann VITOTRONIC 300 Installation And Service Instructions Manual page 15

Changing the high limit safety cut-out
¨ If adjusted to 100 ºC, do not set the control thermostat above 75 ºC.
Adjustment to 100 ºC at EGO
A
1.
2.
A
(if required)
3.
4.
cannot
º
º
15