Siemens Burner Controller LFL & LAL series
Burner controls
For gas, oil or dual-fuel forced draft burners of medium to high capacity
For multistage or modulating burners in intermittent operation with checked air damper control
Flame supervision– with UV detectors QRA2 / QRA4 / QRA10 – and ionization probe
For gas, oil or dual-fuel forced draft burners of medium to high capacity
For multistage or modulating burners in intermittent operation with checked air damper control
Flame supervision– with UV detectors QRA2 / QRA4 / QRA10 – and ionization probe
| Model | t1 (min) | TSA (max) | t3n | t3 | t4 | t5 | t6 | t7 |
| LAL 1.25 | 22.5 | 5 | 15 | 2.5 | 7.5 | 7.5 | 15 | 2.5 |
| LAL2.14 | 10 | 4 | 15 | 2 | 8 | 4 | 15 | 2 |
| LAL2.25 | 22.5 | 5 | 15 | 2.5 | 7.5 | 7.5 | 15 | 2.5 |
| LAL2.65 | 67.5 | 5 | 2.5 | 7.5 | 7.5 | 2.5 | ||
| LFL1.122 | 10 | 2 | 6 | 4 | 4 | 10 | 2 | 30 |
| LFL1.133 | 9 | 3 | 6 | 3 | 3 | 14.5 | 3 | 39 |
| LFL1.322 | 36 | 2 | 10 | 4 | 10 | 12 | 2 | 60 |
| LFL1.133 | 31.5 | 3 | 12 | 6 | 12 | 18 | 3 | 72 |
| LFL1.135 | 37.5 | 2.5 | 12.5 | 5 | 12.5 | 15 | 2.5 | 78 |
| LFL1.622 | 66 | 2 | 10 | 4 | 10 | 12 | 2 | 96 |
| LFL1.635 | 67.5 | 2.5 | 12.5 | 5 | 12.5 | 15 | 2.5 | 105 |
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