Adjust Control Unit To 2-Stage Burner - Viessmann Vitotronic 11 CC1E Installation And Service Instructions Manual

Required parameters
Parameter Parameter group
53:... General
54:... General
55:... General
98:... General
9C:... General
0C:... Boiler
Note
For overview of all parameters: See from page 56

Adjust control unit to 2-stage burner

01. Start the burner.
02. Tap the following buttons:
03. "Service"
04. Enter the password "viservice".
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
(cont.)
Display
Connection at plug 20A1
Connection at plug 29
Connection at plug 52A1
Viessmann system number
LON subscriber monitoring
Function butterfly valve
08. "Burner stage 1"
09. Determine the minimum burner output (base load)
through the fuel consumption.
Record the relevant value.
10. Use to end the actuator test.
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
Commissioning
51