38
Instruction for the installer
C) COMPLETION OF THE BASIC
ADJUSTMENTS
- Check the C0
2
values at the minimum and maximum output.
- If necessary make the required adjustments.
To ensure correct boiler operation the C0
2
values have to be adjusted with extreme care
respecting the values indicated in the table.
-
Close the sampling test point in the flue inlet/outlet termi-
nal with the appropriate cap C.
MINIMUM OUTPUT
ADJUSTMENT SCREWS
In case of gas valve replacement or difficult
ignition:
Screw down completely the maximum
adjustment screw “A“ in a clockwise
direction, than slacken for 7 turns.
Check the boiler ignition; if the boiler goes
into lockout slacken the screw “A“ again of
one turn, than retry ignition. If the boiler
goes into lockout again, carry out the above
indicated operations until the boiler is fired.
At this point carry out the burner adjustment
as previously indicated.
-
If necessary correct the value by turning the adjustment screw
“B” in a CLOCKWISE direction to increase the value and in
an ANTICLOCKWISE direction in order to decrease it.
Summary of Contents for ALKON R 24
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