Technical data
Inspection and maintenance
ecoTEC plus installation and maintenance instructions 0020134823_01 47
13
If the flue gas value has to be set, proceed as follows.
The adjusting screw (1) for the air index setting is located
under a sealing sticker.
> Break through the sealing sticker.
> Set the CO
2
content (value with front casing removed) by
turning the screw (1).
i
Turn to the left: Increases the CO
2
content
Turn to the right: Decreases the CO
2
content
> Only perform the adjustment in 1/8 turns and wait
approximately 1 minute after each adjustment until the
value stabilises. For this, always first turn the adjusting
screw in and then turn it out again for fine adjustment.
– The adjusting screw must only slightly poke out of the
casing:
i
On the VU GB 1006/5-5 and VU GB 1206/5-5,
the CO
2
content only changes after approx. 1
turn of the adjusting screw (overcoming the
adjustment hysteresis).
> Press the "Cancel" selection button once the settings
have been made.
> Reattach the front casing (¬section4.6).