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Saving the adjustment values in the display.
If the burner setting procedure has been successfully completed, the servomotor
positions for all the operating states will be fixed in the control unit. It is possible to store
a backup copy of the values in the display.
To do this, press the button , the screen opposite is displayed. Using the button
select the menu
"Save adjustment values"
and confirm with the button .
The screen opposite appears. Place the cursor on the symbol , press the button
to begin loading the adjustment values from the control unit to the display.
A this point, it is possible to:
- store the values in the display; to do this place the cursor on the symbol and confirm
with button .
- quit the menu without storing the data, with the symbol .
Specific function: position the opening
and closing of the 2nd stage gas valve
differently.
The control unit has the possibility of setting
the opening of the 2nd stage valve, when
the 1st stage changes to the 2nd stage, at a
different position to that for closing when the
2nd stage drops to the 1st 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 2nd stage gas valve.
It is possible to adjust to different values
resp. during 1st stage operation the opening
position, and during 2nd stage operation the
closing position.
Start up
- Setting the flame - Operating mode - Saving the adjustment values in
the display
value, the servomotor will move in real time.
As a consequence, the combustion values
must be constantly checked.
Closing the "Setting the flame" menu.
The burner setting is now complete. If
necessary, it is possible to again correct
each of the settings values. To do this,
position the cursor on the value to be
modified, using the button or .
Otherwise, at all times, the following
possible ways of closing the "Setting the
flame" menu are available:
- Either restart the burner setting procedure,
passing through the presetting phase
(without entering a password). To do this,
position the cursor on the symbol and
confirm with the button . All the settings
values already saved therefore remain
available. This is essential for testing a new
ignition position.
- Saving the fixed values and ending the
setting procedure. To do this, position the
cursor on the symbol and confirm with
the button . The burner is then ready to
operate and can now be controlled by the
boiler regulation.
- Quitting the settings menu without
reaching the end of the setting procedure.
To do this, position the cursor on the symbol
and confirm with the button . All the
servomotor positions saved up to this point
are recovered by calling up the settings
menu again.
Operating mode - Display of the
operating status, the flame signal and
the operating time.
After setting of the burner has been
completed, it switches to operating mode.
The current operation of the burner
(Operation in 1st or 2nd stage) is indicated
by the cursor.
The lower cell shows the intensity of the
signal. The display range is from 0 μA to 7
μA. For the 2nd stage, a good quality signal
is one above 7μA. The following limit values
are valid:
• When checking an unwanted flame: the
signal must be < 0.7μA.
• During the safety time: the signal must be
> 1.0μA.
• During operation: the signal must be >
8μA.
The cell at the bottom right displays the
current operating time of the burner.
