LME73.810A2PKG Siemens Flame Safeguard

Overview

The Siemens LME73.810A2PKG is a comprehensive, microprocessor-based flame safeguard package designed for the supervision and control of medium to large capacity forced draft burners. This specific package includes the LME73.000A2 burner control base unit, the PME73.810A2 program module, and a complete plug kit. Engineered for intermittent operation, the LME73 series provides a flexible and cost-effective solution for burner management, offering integrated actuator control to ensure precise fuel-air ratio management during startup and operation.

Features

• Microprocessor-based control for high accuracy and reliable digital signal handling
• Integrated actuator control for 2-stage or modulating burner applications
• Built-in 3×7-segment display for status, service, and error information
• Multicolor LED signal lamp for immediate visual operating and fault notifications
• Valve Proving System (VPS) integrated into the program module for enhanced safety
• Air pressure supervision with functional checks of the air pressure switch during startup
• Electrical remote lockout reset facility for convenient system management
• Password-protected parameters to prevent unauthorized adjustments by non-OEM personnel

Specifications

• Model: LME73.810A2PKG
• Operating Voltage: AC 220 V (50/60 Hz)
• Base Unit: LME73.000A2
• Program Module: PME73.810A2 (Adjustable purge, 2-stage actuator control, VPS)
• Power Consumption: Approximately 12 VA
• Protection Rating: IP40 (when installed)
• Designed Lifetime: 250,000 burner startup cycles (approx. 10 years)
• Operating Temperature: -20 C to +60 C
• Weight: Approximately 5 lbs (packaged)

Applications

• Supervision of 1-stage or 2-stage gas forced draft burners
• Modulating forced draft burners using mechanical or pneumatic ratio control
• Industrial and commercial combustion plants requiring integrated valve proving
• Packaged burner applications where actuator positioning for purge and ignition is critical
• Suitable for use with various flame detectors including ionization probes or UV detectors (QRA series)