Field Instruments

General

Oil burner controls

With or without air pressure supervision for checked air damper control

Flame supervision with

• photoresistive detector QRB1..., or
• blue-flame detector QRC1..., or
• selenium photocell detector RAR...

Uses

• For the control and supervision of oil atomization burners
• For burners of medium to high capacity
• For intermittent operation (at least one controlled shutdown every 24 hours)
• Can be universally used with multistage or modulating burners
• Suited for use with stationary air heaters.

Specifications

• Make:  Siemens
• Model: LAL2.14
• Mains voltage:  AC 230 V –15 / +10 % | AC 100 V –15 %...AC 110 V +10 %
• Mains frequency: 50...60 Hz ±6 %
• Unit fuse: (built-in) T6,3H250V to DIN EN 60 127
• Primary fuse: (external) max. 10 A (slow)
• Flame detectors: QRB1..., QRC1..., RAR...
• Power consumption approx.: AC 3.5 VA
• Degree of protection: IP 40, when fitted, with the exception of the connection area (terminal base)
• Safety class:  II
• Climatic conditions: class 3K5
• Mechanical conditions: class 3M2
• Temperature range: -20...+60 °C
• Humidity: < 95 % r.h.

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