Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 78

Initial start-up
Further step-by-step instructions
Matching the control unit to a two stage burner (Vitotronic 100, GC1)
1. Start up the burner.
2. Set the override switch to
3. Determine the maximum burner
output through the fuel
consumption.
Record the relevant value.
4. Set the override switch
to a.
Address Setting the:
08 Units and tens of the determined maximum output;
e.g. max. output: 225 kW – set here: 25
values including 199 kW can be entered directly
09 Hundreds of the determined maximum output;
e.g. max. output: 225 kW – set here: 2
0A Relationship between basic output and max. output in percent; e.g.
basic output: 135 kW
max. output: 225 kW
135 kW
x100 % = 60 %
225 kW
78
(cont.)
5. Press 9 and
for approx. two seconds.
. Relay test is activated.
6. Activate the burner stage 1 ON
function with
7. Determine the minimum burner
output (basic load) through the
fuel consumption.
simultaneously Record the relevant value.
8. Press
Relay test is completed.
(display shows: 4). 9. Set the determined values in
coding 1, see the table below
and page 138.
.