Siemens LME71.901A2 Controller Flame Detector
Technical specs, application notes, replacement checks, and related model references.
Product Overview
The Siemens LME71.901A2 Controller is an advanced burner control unit engineered for the precise supervision of 1- or 2-stage gas or dual-fuel burners in small to medium capacity applications. It provides reliable flame monitoring, optimal ignition sequence management, and critical safety interlocks for heating systems. Widely adopted in commercial boilers, space heaters, and HVAC equipment, the LME71.901A2 Controller ensures smooth burner startup, continuous flame supervision, and instantaneous safety lockout upon flame failure. The LME series is renowned for its microprocessor-based architecture, multicolor LED diagnostics, and strict compliance with European EN 298 standards, offering unparalleled reliability and operational transparency.
Key Features
- Component Type: Controllers
- Operating Voltage: AC 220V / 230V
- Protection Class: IP40
- Original Siemens quality and reliability
- Compliant with relevant CE / DIN EN standards
Technical Specifications
Verification RequiredProtection Class
IP40
Selection Notes & Data Verification
The LME71.901A2 Controller page is structured for engineering comparison: confirm the product type, firing range, fuel type, operating mode, electrical supply, and safety approvals against the manufacturer datasheet before specifying the burner or component.
Burner.wiki normalizes product data for discovery and comparison, but final selection should account for combustion chamber backpressure, local emission limits, control sequence requirements, and site commissioning conditions.
Typical Applications
Related Models
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FAQ
What is Siemens LME71.901A2 Controller used for?
Siemens LME71.901A2 Controller is referenced as a flame detector for industrial combustion systems. Verify the exact application against the burner documentation, control cabinet wiring, and manufacturer datasheet.
Can LME71.901A2 Controller replace another model?
Replacement depends on voltage, safety timing, wiring terminals, flame supervision method, mechanical fit, and local combustion safety requirements.
What should be checked before installing LME71.901A2 Controller?
Check supply voltage, burner sequence, fuel type, pressure or capacity range, detector compatibility, safety loop configuration, and the equipment nameplate before commissioning.
Documentation Note
Technical documentation should be verified against the manufacturer datasheet, burner cabinet wiring diagram, and equipment nameplate before installation or replacement.
- Check supply voltage and frequency.
- Confirm terminal layout and safety interlocks.
- Verify flame detector or actuator compatibility.
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