The LFE1... is designed for the fully
automatic control and supervision of
single-stage, multi-stage or modulating
gas or dual-fuel burners. It is suited
for use with expanding flame and
interrupted pilot type gas burners.
Flame supervision is ensured by means of
an ionization probe or a UV flame
Ignition spark proving with a UV flame
detector is also possible.
When used in connection with a gas valve
proving system LDU11... (refer to Data
Sheet 7696), the control sequence of the
LFE1… can be extended to include
automatic gas valve proving.
All types of LFE1... burner controls
comply with the relevant European
standards for gas and oil burners of any
The LFE1... can control the following
burner plant components: fan motor, flue
gas fan, air damper, ignition
transformer, 1 to 3 fuel valves, load
and an external lockout warning device.