Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 42

Commissioning
Required parameters
Adjust control unit to 2-stage burner
01. Start the burner.
02. Tap the following buttons:
03. "Service"
04. Enter "viservice" password.
05. "Actuator test"
06. "Burner stage 2"
07. Determine the maximum burner output by means
of the fuel consumption.
Record the relevant value.
Parameter Display
02:... Burner type
03:... Boiler protection, gas/oil operation
08:... Maximum burner output in kW
09:... Maximum burner output in 100 kW
0A:... Burner base load
Matching the control unit to the modulating burner
Note
The burner must be fully adjusted. To achieve a wide
modulating range, set the minimum output as low as
possible (take the chimney and flue system into
account).
01. Start the burner.
02. Tap the following buttons:
03. "Service"
42
(cont.)
08. "Burner stage 1"
09. Determine the minimum burner output (base load)
through the fuel consumption.
Record the relevant value.
10. End actuator test with
11. Set the values determined in parameter level 2 in
the "Boiler" group: See the following table.
Setting
1 = 2-stage
2 = modulating
0 = gas operation
1 = oil operation
1 step ≙ 1 kW
Units and tens of the determined maximum out-
put
Example:
Max. output = 225 kW
Here set = 25
1 step ≙ 100 kW
Hundreds of the determined maximum output
Example:
Max. output = 225 kW
Here set = 2
Ratio of burner stage 1 output to maximum rat-
ed output
Standard output adjustable from 15 to 100 % of
max. rated output
04. Enter "viservice" password.
05. "Actuator test"
06. "Burner modulation" "OPEN"
07. Wait until the burner servomotor is set to maxi-
mum output.
08. Determine the maximum burner output by means
of the fuel consumption.
Record the relevant value.
.