02/2011 - Art. Nr. 4200 1029 5200B20
Commissioning
Setting the flame
Setting the 1st stage
If the flame has been detected, the control unit sets the burner to the 1st stage as soon as it
receives the regulation authorisation.
- Adjust the gas pressure for the 1
st
stage depending on the required output, using the regulator
on the gas valve. Monitor the combustion values continuously as you do so (CO, CO
2
, soot
test). If necessary, adjust the dimension Y and/or adapt the airflow.
- To do this, modify the position of the servomotor in 1
st
stage. Proceed as described on page
17, in the paragraph "Modifying the value of a servomotor position setting"
- Precautions: when modifying the setting value, the servomotor will move in real time. As a
consequence, the combustion values must be constantly checked.
Specific function: ignition checking
If the ignition position has been modified, it is possible to carry out a new burner start-up to check
the new ignition position, without having to quit the settings menu.
To do this, after modifying the ignition position, position the cursor on the symbol , and initiate
the new start-up using the button .
Setting the opening position of the 2
nd
stage gas valve
After the 1
st
stage is set, it is possible to set the opening value for the 2
nd
stage gas valve.
Proceed as described in the paragraph "Modifying the value of a servomotor position
setting"
- Precautions: in this case the servomotor does not move immediately, but first remains in the 1
st
stage position (the actual position of the servomotor is always displayed in the lower part of the
display). The 2
nd
stage valve also remains closed.
Setting the 2
nd
stage
To set the position of the air flap in the 2
nd
stage, position the cursor on the corresponding line on
the display using the button .
- To make the burner actually switch to the 2
nd
stage, press the button again. The servomotor
will then move the air flap to the set position. At the same time, the 2
nd
stage gas valve will open,
as soon as the opening position set for the servomotor is passed.
- Adjust the gas pressure for the 2
nd
stage depending on the required output, using the regulator
on the gas valve. Monitor the combustion values continuously as you do so (CO, CO
2
, soot
test). If necessary, adjust the dimension Y and/or adapt the airflow. To do this, modify the
position of the servomotor in the 2
nd
stage. Proceed as described on page 17, in the paragraph
"Modifying the value of a servomotor position setting"
- Precautions: when modifying the setting value, the servomotor will move in real time. As a
consequence, the combustion values must be constantly checked.
Specific function: position the opening and closing of the 2
nd
stage gas valve differently
The control unit has the possibility of setting the opening of the 2
nd
stage valve, when the 1
st
stage
changes to the 2
nd
stage, at a different position to that for closing when the 2
nd
stage drops to the
1
st
stage.
- To do this, position the cursor on the symbol and confirm with the button . The selected
symbol will change like this one .
- Using the button , position the cursor on the setting value of the 2
nd
stage gas valve. It is
possible to adjust to different values resp. during 1
st
stage operation the opening position, and
during 2
nd
stage operation the closing position.
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