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The LFL1.335 Control Box is designed for gas, oil or dual-fuel forced draft burners of medium to high capacity. This Siemens Box is designed for multistage or modulating burners in intermittent operation; for safety reasons, at least one controlled shutdown must take place every 24 hours. With checked air damper control. Flame supervision – with UV detectors or with ionisation probe.
If on startup, the required input signals are not present, the burner control interrupts the startup sequence at the points marked by symbols and initiates lockout where required by safety regulations. The symbols used in this Data Sheet correspond to those on the burner control’s lockout indicator.
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Siemens LFL1.335 Control Box
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