Siemens LMV50 Series Manual page 292

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Building Technologies
Note!
The full scope of setting TCautoDeact is possible only when the flue gas temperature
is acquired via the load controller input (X60...).
When the temperature is acquired via the PLL52 input (X86...) and the O2 trim
controller / alarm is active (not CtrlAutoDeac), flue gas recirculation (FGR) mode
temperature-compensated cannot be used (would lead to error C:F6 D:2).
When operating mode O2 Control is deactivated (man deact), operating mode
TCautoDeact can be used if the flue gas temperature is acquired via PLL52 (X86...).
Note!
Setting deactMinpos is recommended when commissioning the plant, since erroneous
temperature values will not be stored.
Parameter FGR-Mode (deactivated / time / temperature / temp.contr. /
TCautoDeact / Aux3 Minpos / auto deact)
Basic Documentation LMV5...
20 Flue gas recirculation (FGR) function (LMV50/LMV51.3/LMV52)
CC1P7550en
22.05.2018