Changing The Adjustable High Limit - Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual

Installation – Vitotronic 100, GC1
Setting of the adjustable high limit
A B C
2.
32
(if required)
The adjustable high limit is supplied with a factory setting of 95 °C/ 203 °F .
3.
1.
Adjustment to 100 or 110 °C /
212 or 230 °F
1. Disconnect power to control and
burner.
2. Using a suitable screwdriver, lever
out and remove the selector knob
"R" behind the hinged cover.
3. Using a pair of pointed pliers, break
off the cams identified by the
shaded areas in the diagram from
the stop dial.
A
75 to 195 °C
167 to 203 °F
A, B
75 to 100 °C
167 to 212 °F
A, B, C
75 to 110 °C
167 to 230 °F
4. Fit the selector knob "R" so that
the marking is in the centre of the
selected range.
IMPORTANT
Note the setting of coding address
"06"!
WARNING
If the system is operated in conjunction
with a domestic hot water tank, ensure
that the maximum permissible
domestic hot water temperature is
not exceeded. If necessary, install a
suitable safety device for this purpose.