elco Low-NOx N10.12000.30 G-EU2, Operation Manual

Page: 23 / 34

23
Start-up
Flame sensor
The flame sensor is a component of the
flame monitoring system.
In interaction with the automatic combu-
stion control unit, it suppresses stray
flame during burner start-up and moni-
tors the presence of flame during bur-
ner operation.
Depending on the requirements of the
burner and fuels, the flame sensor may
be an optical sensor that monitors light
radiation in the ultraviolet, infrared or
visible spectrum emitted by the flame.
In some gas burners, flame monitoring
is achieved by means of ionisation. In
this case, no optical flame sensor is
present.
The flame sensors used are listed in the
table below.
Table: Flame sensor
The appropriate type of flame sensor is
selected based on the spectral range of
the flame radiation, the mode of opera-
tion required and the burner controller
used.
For the electrical connection, please
refer to the electrical diagram and the
supplementary information for the indi-
vidual flame sensors contained in the
manufacturer's documentation.
N.B.:
The flame sensors must be regularly
inspected for dirt and cleaned as
necessary. The sensor windows of the
optical flame sensors must be kept free
of dust. The ionisation rods must be
checked for burn-up and replaced if
necessary.
Name Spectral
range Area of use Connection Mode of
operation Producer Note
D-LX 100 EK-S (IR) IR oil, gas, dual fuel
burner
BCS continuous
service
Durag LED display for settings
and operating status,
sensitivity setting
FFS 06 IR oil, gas, dual fuel
burner
EVR of the
firm Lamtec
(Etamatic,
Etamatic
OEM)
continuous
service
Lamtec Sensitivity setting
FFS 06 UV-1 UV oil, gas, dual fuel
burner
F 150 and
Etamatic
continuous
service
Lamtec Senisitivity setting
QRA-2 KPL UV gas-, dual fuel
burner
BCS, LFL1,
LFE1
intermittent Siemens
QRA-53 C 27 UV gas, dual fuel
burner
BCS, LGK,
LGI
continuous
service
Siemens
RAR-7 light oil burner BCS, LAL,
LAE1, LOK 16,
LAE10
continuous
service
Siemens
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