Technical data

Initial start-up

Further step-by-step instructions

(continued)

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.

5. Press 9 and simultaneously for

approx. two seconds.

Relay test is activated.

6. Activate the burner stage 1 ON

function with (display shows: 4).

7. Determine the minimum burner

output (basic load) through the fuel

consumption.

Record the relevant value.

8. Press .

Relay test is completed.

9. Set the determined values in

coding 1, see the table below and

page 154.

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

225 kW

x100 % = 60 %

5351 340 v1.4