Installation and operating manual
54
010-532_05
EN
Mono/Duo ATEX level sensor
Connect the ends of the level sensor’s leads to the terminals [10].
The level sensor’s connection is identical for both Mono and Duo systems.
Only connect level sensors that satisfy the ATEX requirement to the
Zener barrier.
[10]
rt/RD
4
(-)
bl
3
bl
HAZ
(+)
sw/BK
3 4
HAZ HAZ
bl bl
3 4
7 8
3 4
HAZ HAZ
bl bl
3 4
7 8
7 8
rt/RD
(-)
(+)
sw/BK
rt/RD
(-)
(+)
sw/BK
Overview of connections for the level sensor
Wire colour
Name on Zener barrier
Convert floater to level sensor
Red (plus)
3
7
Black (minus)
4
8
Note: When extending the cable of the level sensor use
KESSEL-junction box (art. No. 28799).
Zener barrier
Zener barrier
Mono floater Duo floater
Zener barrier
level sensor