3
SIEMENS LMV CONTROLLED BURNERS
Keys
1 Burner
2 Combustion head actuator
3 Gas butterfly valve actuator
4 Oil pressure governor actuator
5 Air damper actuator
6 Siemens LMV burner control
7 Personal Computer
8Gas train
9Inverter
10 Siemens AZL User interface
The control system is made of the Siemens LMV central unit (6) that performs all the burner control functions and of the Siemens AZL
local programming unit (10) that interfaces the system with the user.
Main features:
z no mechanical linkages
z built-in burner control box
z built-in gas proving system
z more flame checking devices available for several applications
z PID load controller
z up to six actuators can be controlled. Each of them is independent for the best burner setup
z best air/fuel ratio. Repeatability and precision of set adjustments
z Modbus communication
z multilevel password
z settings via PC
z adjustable prepurging time (according to the relevant Standards)
z continuous ventilation
z post purging (adjustable time)
z proving system settable to on and off
z adjustable proving system time for all the valve volumes
z load controller settable to on and off
z thermal shock protection function settable to on and off (for cold starts)
z continuous operation and flame detection probe
Note: the picture above shows a complete control system.
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