23(5$7,21
The additional LGMs are selected as late as possi-
ble and deselected as late as possible. This means
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DVSRVVLEOH.
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6WDQGDUGRSHUDWLQJVWDWXV
Codes appearing on the display (item no. 4, fig. 5).
)LJ
=
21
21
2))
2))
Example with three LGMs and a power range from 20 to 80 % :
= Power increase
= Power reduction
= Selection
= Deselection
'LVSOD\ 0HDQLQJ
Awaiting heating or hot water request
LGM terminal 6 shunt non available / switch open
Ventilator rate increase time / pre-ventilation
Preignition/ignition
Flame presence check
Domestic hot water mode burner operation
Heating mode burner operation
End of the heating or domestic hot water request, post-ventilation
Return to initial position, safety control box parameters reset (Ventilator OFF)
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