SIEMENS LMO14.111C2 Oil Burner Controller
The SIEMENS LMO14.111C2 is a high-performance, microcontroller-based oil burner controller manufactured in Germany, designed as a core safety and control component for single-stage forced-draft oil burners in commercial and industrial heating systems. As a genuine Siemens OEM part, it delivers fully automatic ignition, flame supervision, operational control, and fault protection for oil-fired boilers, burners, and heating equipment, fully complying with EN230 and EN267 safety standards.
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Product Overview
Key Functional Features
Automatic Combustion Control: Manages the entire burner startup sequence, including pre-purge, ignition, fuel valve activation, and post-ignition monitoring, ensuring compliance with strict safety regulations.
Flame Supervision & Safety Lockout: Works seamlessly with QRB/QRC series flame sensors to continuously monitor flame presence. If no flame is detected within the 10-second maximum ignition safety time (TSA), the controller immediately shuts down the fuel supply and enters a lockout state, preventing dangerous fuel accumulation.
Advanced System Integration: Supports remote reset functionality for convenient maintenance, oil preheater control with configurable preheating time monitoring, and low-voltage protection to ensure stable operation under fluctuating power conditions.
Diagnostic & Operational Flexibility: Equipped with a multi-color LED indicator for real-time status display and fault diagnosis, and supports 24-hour intermittent operation to meet cyclic heating requirements.
Robust Industrial Design: Manufactured in Germany with strict quality control, featuring IP40 protection (ensured via proper mounting), a wide operating temperature range of -30°C to +70°C, and resistance to vibration and thermal shock, ensuring long-term reliability in harsh industrial environments.
Application Scenarios
| Parameter | Specification |
|---|---|
| Model Number | LMO14.111C2 |
| Product Type | Oil Burner Controller / Program Controller |
| Brand | Siemens AG |
| Power Supply | 230V AC, 50-60Hz |
| Power Consumption | 12 VA |
| Ignition Safety Time (TSA) | Max. 10s |
| Burner Type | 1-Stage Forced Draft Oil Burner |
| Max. Oil Throughput | ≤ 30 kg/h |
| Compatible Flame Detector | QRB, QRC Series |
| Protection Class | IP40 (to be ensured by mounting) |
| Safety Class | I |
| Operating Temperature Range | -30°C to +70°C (-22°F to +158°F) |
| Humidity Range | < 95% RH, non-condensing |
| External Fuse | 6.3A Slow Blow |
| Max. Cable Length (Power) | 3m (100pF/m) |
| Max. Cable Length (Detector/Remote Reset) | 20m |
| Weight | Approx. 200g |
| Origin | Made in Germany |
| Compliance Standards | EN230, EN267, CE, DIN |
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