Home » Kitchen Utensils & Appliances » Gas Burner Parts » Siemens Burner Sequence Controller Lfl1.333, Supply voltage: 230 V AC
Siemens Burner Sequence Controller Lfl1.333, Supply voltage: 230 V AC
₹ 32,500 Get Latest Price
Product Specifications
| Brand | Siemens |
| Usage/Application | Industrial |
| Voltage | 230 v |
| Automation Grade | Automatic |
| Availability | In Stock |
| Brand | Siemens |
| Burner type | Gas Burner, Oil Burner,Dual Fuel Burner |
| Condition | New |
| Is it Automatic | Yes |
| Mounting | Plug in base |
| OEM Service | Yes |
| Supply voltage | 230 V AC |
GST No - 24ANPPP5501P1ZH | Member since 2025
CTM CHAR RASTA, 31, YASH VIJAY SOCIETY, NATIONAL HIGHWAY, AMRAIWADI , CTM, Ahmedabad, Gujarat, 380026
Siemens Burner Sequence Controller Lfl1.333, Supply voltage: 230 V AC Read More...
Product Details
Energy Combustion , Ahmedbad importer and supplier of all types and model of Siemens Burner Sequence Controller. The Siemens LFL series (e.g., LFL1.333, LFL1.635) is an electro-mechanical burner management system designed for gas, oil, or dual-fuel burners of medium to high capacity. It is primarily used for intermittent operation, meaning the burner must have at least one controlled shutdown every 24 hours. 1. Primary Model Comparison The models differ mainly by their timing sequences (t_1 = pre-purge, TSA = safety time). Model Pre-purge (t1) Safety Time (TSA) Application Note LFL1.122 10 sec 2sec Preferred for flash-steam generators. LFL1.322 36 sec 2 sec Standard for medium-sized burners (50Hz). LFL1.333 31 sec 3 sec Common in Central Europe (Germany/Austria). LFL1.635 66 sec 2.5 sec High capacity burners requiring long purge. 2. Technical Specifications Voltage: 230V AC +10 -15% or 110V AC variants. Frequency: 50 60 Hz} Power Consumption: Approx.3.5 VA Internal Fuse: 6.3A. External Fuse: Max 10 A Degree of Protection: IP40 (when mounted). Flame Monitoring: * UV Detector: Siemens QRA series (QRA2, QRA4, QRA10). Ionization: Flame rod/probe. Operating Temperature: -20°C to +60°C} (Condensation and ice not permitted). 3. Key Features Air Damper Control: Includes a functional check of the air damper.It ensures the damper reaches "Open" for purging and "Min" for ignition before the sequence continues. Visual Sequence Indicator: A rotating dial behind the reset button shows the current stage of the program (e.g., Pre-purge, Ignition, Operation) Fault Diagnosis: In the event of a lockout, the sequence indicator stops. The symbols on the dial indicate the exact point in time and the cause of the fault: P: Loss of air pressure signal. blacktriangle: Extraneous light or flame signal during pre-purge. 1: Failure to form flame during the first safety time. 4. Connection Terminal Highlights The LFL uses the AGM41 plug-in base (24 terminals). Terminals 1 & 2: Line and Neutral. Terminal 3: Fault/Alarm output (Remote lockout signal). Terminals 6 & 7: Control of the Fan (Combustion air blower). Terminals 12 & 14: Air Pressure Switch connection. Terminals 16 & 17: Ignition Transformer and Pilot Valve. Terminal 18 & 19: Main Fuel Valves (Stage 1 and 2). Terminal 22: Ground for flame detector shielding. Important Note: If the LFL is used at 60 Hz}, all timing sequences (pre-purge, etc.) will be approximately shorter than the values listed for 50Hz
CTM CHAR RASTA, 31, YASH VIJAY SOCIETY, NATIONAL HIGHWAY, AMRAIWADI , CTM, Ahmedabad, Gujarat, 380026
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