28
NRGS 15-1 - USA - Installation & Operating Manual -
850690-00
Electrical connection
A self-locking fixing nut
§
connects the terminal box to the electrode part. You can therefore
rotate the terminal box max. +/– 180° in the desired direction (cable outlet) before making the
electrical connection.
Rotating the terminal box
1. Undo the cover screws
(
and remove the cover of the terminal box
)
Figs. 4, 5
2. Detach terminal strips
6
and
8
from the electronic circuit board.
3. Remove approx. 1.6 in (40 mm) of the cable sheath and strip approx. 0.2 in (5 mm) of the
insulation from the individual wires.
4. Unscrew the cable glands
7
, pull the mains cable through the lower cable gland and the
control cable through the upper gland.
5. Following the wiring diagram
Fig. 12
(inside of cover), connect the mains cable and control cable to terminal strips
6
and
8
.
6. Plug terminal strips
6
and
8
into the electronic circuit board.
7. Tighten the cable glands
7
once more.
8. Put on the cover
)
and tighten the cover screws
(
.
Connecting the NRGS 15-1 level switch
4
5
6
7
8
9
10
11
13
14
15
12
1
2
4
5
6
7
4
5
6
7
TR1
Fig. 11
6
8
9
0
!
7