Flame burner controller Siemens LFE1/8853 LFE1/8867

OBSOLETE SERIES. CONSULT US REPLACEMENT.

The LFE1... burner control is designed for the fully automatic control and supervision of single-stage, multi-stage or modulating gas or dual-fuel of forced draft gas and dual-fuel burners of any capacity, in intermittent operation. Flame supervision is ensured by means of an ionization probe or a QRA... UV flame detector.

The LFE1... can control the following burner plant components: fan motor, flue gas fan, air damper, ignition transformer, 1 to 3 fuel valves, load controller and an external lockout warning device.

Specifications:

- Complete reference: LFE1/8853, LFE1/8867

- Plug-in design

- The built-in unit fuse protects the control contacts of burner control against overloads

- Impact-proof plastic housing

- Able for optional mounting position at burner, on control panes or in control cabinets

- Control unit driven by synchronous motor, the auxiliary relays, the electronic flame signal amplifier as soon as all the rest of switch, control and adjustable elements are build-on at stable PCBs and included in test circuit of burner control

- The burner control is secured to its base with 4 screws. The unit cover is protected against tampering by means of 2 sealing screws

- Flame detectors: ionization probe, QRA..., QRA4.U

- Degree of protection: IP40

- Temperature range: -20...+60ºC

Model	Power supply	Frequency	t1	TSA	t9
LFE1/8853	AC 220 – 240V	50Hz	30s	2s	2s
LFE1/8867	AC100 – 110V	60Hz

Model selection guide and technical data sheet (pdf)

LFE1/ Siemens