Siemens LFS1.11A2

44 ซ.บรมราชชนนี 70 ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวีวัฒนา กทม. 10170.
website: https://www.add-furnace.com/ โทร: 02-888-3472
Line ID: @add11 Wechat ID: add0883001122
Use, features
The flame detectors are used in conjunction with control unit LEC1 or with
freely programmable controllers in the following applications:
- Dual supervision of burners / supervision of the main flame or of the ignition
and main flame by 2 flame safeguards with the same or different flame detectors
- Multiflame supervision / plants with several burners whose flames must be
supervised individually by one or several flame detectors, but whose startup and
supervision is carried out centrally and simultaneously by only one control unit
- The flame safeguards are also used as flame indication units in combustion
plants with manual startup
Features - Flame signal display via multicolor LED signal lamp
- Flame signal display via DC 0...10 V output signal (display only)
- Can be parameterized via BCI communication interface
- Potential-free signal contacts with double insulation
- Undervoltage detection
Supplementary documentation
ASN
Title
Documentation
Document type
number
LEC1
Control unit
CC1N7761
Data Sheet
AGK11.7
Connection accessories for small
CC1N7201
Data Sheet
burner controls
AZL21 / AZL23
Display and operating units
CC1N7542
Data Sheet
LFS1
Flame safeguard
CC1A7782
User documentation
PC software for microprocessor
Installation and Operating
ACS410
controlled burner controls and
CC1J7352
Instructions
flame safeguards
OCI410
BCI interface between flame
CC1N7616
Data Sheet
safeguard and PC
QRA4 / QRA4M
UV flame detector
CC1N7711
Data Sheet
QRA2 / QRA2M
UV flame detector
CC1N7712
Data Sheet
QRA10 / QRA10M
RAR9
Photocell detector
CC1N7713
Data Sheet
2/40
Building Technologies CC1N7782en
18.04.2018