Siemens LMV5 Series Technical Instructions page 5

LMV Series
1-1: Introduction
The LMV5 Burner / Boiler Management System (BMS) is ideally suited for use with steam
boilers, hot water boilers, thermal fluid heaters, and industrial burners. The LMV5 is extremely
flexible, and encompasses the following features:
• Flame safeguard (independent processor)
• Fuel-air ratio control
• Load control / full PID control for pressure or temperature
• Integrated O trim
2
• Variable Frequency Drive (VFD) control
• Fuel usage monitoring
• Efficiency monitoring
• Simultaneous operation of up to 5 rotary actuators (up to 6 connected)
• Dual setpoints
• Modbus communication
• Remote setpoint or remote firing rate from building automation or external controller
• Flue gas recirculation hold functions (LMV52)
• Thermal shock protection
• Valve proving / valve leak testing
• Dual flame scanner options
Figure 1-1.1: The Main Components of an LMV5 System
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Technical Instructions
Document No. LV5-1000
Section 1