Technical Data - Siemens LEC1/8853 Manual

Technical Data

Control unit LEC1
3)
Flame supervision
Detectors
Type Summary and
Ordering
4
Mains voltage AC 220 V -15%...AC 240 V +10%
AC 100 V -15%...AC 110 V +10%
Mains frequency 50 Hz -6%...60 Hz +6%
Unit fuse, built-in
External fuse
Consumption
− during start
− during operation
Environmental conditions:
- Transport
Climatic conditions
Temperature
Humidity
Mechanical conditions
- Operation
Climatic conditions
Temperature
Humidity
Condensation, formation of ice and influence of water are not permitted.
Minimum required detector current in µA
− with AC 100 V and AC 220 V
− with AC 110 V and AC 240 V
Max. possible detector current in µA
Permissible connecting cable length
Permissible ambient temperature
1
) In case of larger distances use low capacitance cable, e.g. one-core cable (total 2 nF max.)
2
) Detector cables must always be laid separately, the selenium photocell RAR8 must be used in case of
larger distances
3
) For information on LFE50... please refer to data sheet 7783
Type/Ordering
reference
LEC1/8851
LEC1/8853
LEC1/8866
LEC1/8867
LEC1/8868
LEC1/8892
LEC1/8906
The control unit is delivered without terminal baseplate. The latter must be ordered
separately using the following type reference: AGG41041713 (EC)
For flame safeguards LAE10... and LFE10... as well as the appropriate detectors, please
refer to data sheet 7781.
Radio interference protection
Max. permissible load on the control outputs
− per terminal
T6,3H250V
− in total
10 A max., slow
Degree of protection
8 VA Mounting position
5 VA Cable gland
Weight
Identification code according to EN 298
CE-Conformity
IEC721-3-2 According to the directives of the European Community
class 2K2 Electromagnetic compatibility EMC
-50...+60 °C
< 95 % r.F. Gas appliance directive
class 2M2 Interfering emissions
IEC721-3-3 Immunity against disturbances
class 3K5
-20...+60 °C
< 95 % r.F.
LFE10...
Series 02
ionization field
8
9
approx. 100
1)
20 m
−
Supply voltage
(V) Hz
AC 220...240 50
AC 220...240 50
AC 100...110 50
AC 100...110 60
AC 220...240 60
AC 220...240 50
AC 220...240 50
N according to VDE0875
approx. 2 kg
F B L L B N
89/336 EWG includ. 92/31 EWG
90/396 EWG
EN 50081-1
EN 50082-2
LFE10... LAE10...
Series 02 Series 02
UV-cell selenium cell
150 8 min.
200 8 min.
approx. 650 approx. 25
1)
20 m 20 m
60°C 60°C
Factory settings for
t1 (s) t2 (s) t9 (s)
60 2 2
30 2 2
30 2 2
30 2 2
30 2 2
60 5 5
30 2 5
CC1N7761E
4 A
5 A
IP40
optional
Pg11
2)