Burner Control; Prepurging - Siemens LMS14 User Manual

Prepurge time
Prepurge time min
Required speed

prepurging

Req speed
prepurging min
Speed tolerance
prepurging
518/617
Building Technologies Division

6.34 Burner control

Note!
Due to component tolerances, the parameterized times may differ by up to 1% . This
must be taken into consideration when setting the times.
6.34.1 Prepurging
Line no. Operating line
9500 Prepurge time
The prepurge time can be adjusted via the operator terminal. It can only be set to a
value higher than Prepurge time min (9501).
Line no. Operating line
9501 Prepurge time min
Duration of prepurging (safety-related). Limit value for the prepurge time adjustable via
the operator terminal.
Line no. Operating line
9504 Required speed prepurging
The speed required for prepurging can be adjusted via the operator terminal. It can only
be set to a value higher than Req speed prepurging min (9505).
Line no. Operating line
9505 Req speed prepurging min
Prepurge speed (safety-related). Limit value for Required speed prepurging.
Line no. Operating line
9506 Speed tolerance prepurging
Speed tolerance during the prepurge phase. Prepurge speed minus speed tolerance
prepurging gives the permissible deviation of the speed during prepurging.
User Manual LMS14...
6 The settings in detail
CC1U7471en
28.01.2015