Match The Coding Addresses - Viessmann VITOTRONIC 300 GW2 Installation And Service Instructions Manual

Steps
(continued)
Relaistest

9. Match the coding addresses

Burner mod. open
Burner mod. closed
Burner mod. open
Check sensors
1. Press .
2. Scan actual temperatures with
or .
3. Press .
Match control unit to modulating burner
Please note:
The burner must be adjusted. In order to achieve a wide modulation range, the
minimum output should be set as low as possible (take chimney/flue system
into account).
1. Start up the burner.
2. Press and simultaneously
for approx. 2 seconds.
3. With function
Activate "Burner mod. open" and
wait until the actuating drive of the
burner is at maximum output.
4. Establish the maximum burner
out-put through the fuel
consumption.
5. With function
Activate "Burner mod. closed" and
measure the time it takes for the
actuating drive of the burner to
reach the minimum output.
6. Establish the minimum burner
output (basic output) through the
fuel consumption.
7. With function
Activate "Burner mod. open" and
stop the actuating drive by pressing
after one-third of the time
measured in point 5.
8. Establish the partial output through
the fuel consumption.
9. Press .
Start-up
Scanning of operating status
information is activated
(see page 77).
Scanning is terminated.
The relay test is activated.
Make a note of the value.
Make a note of the value.
Make a note of the value.
Make a note of the value.
The relay test is terminated.
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