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Building Technologies Basic Documentation LMV5... CC1P7550en
6 Fuel-air ratio control (FARC) 22.05.2018
6.4.6 Postpurge positions
When the burner is shut down, the actuators are driven to their postpurge positions in
phase 72.
For that purpose, a maximum time is available ↑ position check.
The postpurge position is defined for all actuators and can be adjusted depending on
the type of fuel.
Parameter: LMV51 LMV50
LMV51.3
LMV52
PostpurgePosAir
˜ ˜ ˜
PostpurgePosGas
˜ ˜ ˜
PostpurgePosOil
˜ ˜ ˜
PostpurgePosAux1
˜ ˜ ˜
PostpurgePosAux2
˜
PostpurgePosAux3
˜ ˜
PostpurgePosVSD
˜ ˜
6.4.7 Actuator speed outside normal operation = TmNoFlame
The actuators‘ speed when traveling to the home, prepurge, ignition and postpurge
positions can be parameterized.
Outside normal operation, all actuators travel at that speed.
Β
Note!
When parameterizing the operating ramp, the speed of the slowest actuator must be
taken into consideration!
Parameter TmeNoFlame
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