16
Electrical connection
To connect the conductivity transmitter, please use a screened, multi-core control cable with a min.
conductor size of 0.5 mm
2
, e.g. LiYCY 4 x 0.5 mm
2
, max. length: 100 m.
Route connecting cables leading to the equipment separate from power cables.
1. Slacken the screws
f
and remove the housing cover
g
. The arrow on this cover points to the name
plate.
Fig. 1, 9
2. Detach the terminal strip
n
from the circuit board.
3. Unscrew the cap nut
u
of the cable gland
h
and remove the lamellar insert
s
.
Fig. 11
4. Strip the outer sheath of cable
v
and expose the braided screen
r
over a length of
approx. 10 – 15 mm.
5. Push the cap nut
u
and lamellar insert
s
with the sealing ring
t
onto the cable.
6. Bend braided screen
r
outwards at right angles (90°).
7. Fold the braided screen
r
towards the outer sheath, i.e. by 180° in total.
8. Push the lamellar insert
s
with sealing ring
t
into the gland body
q
, turn briefly to and fro around
the cable axis and snap anti-rotation element into place.
9. Firmly screw on the cap nut
u
.
10. Connect the individual cables to the terminal strip
n
as shown in the wiring diagram.
11. Re-attach the terminal strip
n
to the circuit board.
12. Replace the cover
g
and fasten the cover screws
f
.
Connecting LRGT 16-1, LRGT 16-2, LRGT 17-1
continued
Fig. 11
t
r
q
v
u
s
Key
j
Code switch
m
Terminal lugs for electrode wires,
functional earth
n
Terminal strip
p
Connection for functional earth
q
Gland body
r
Braided screen
s
Lamellar insert
t
Sealing ring
u
Cap nut
v
Screened cable