Dräger Polytron 8000 Series

Technical Manual | Dräger Polytron
®
8000 Series 37
Remote sensors
In case of 3-core field wiring:
 Install screw bridges between contacts 1a/1b and 3a/3b of the terminals.
(Fig. C).
8. Attach the lid and tighten it (44 LB IN. / 5 Nm) (Fig. E).
9. Tighten the set screw ( 8 LB IN. / 0.7 Nm) (Fig. E).
10.Close unused housing openings with screw plugs.
11. Tighten all cable entries and screw plugs (at least 5 rotations and 266 LB IN. / 30
Nm).
6.3.2 Connecting the Junction Box Ex d to Polytron
®
transmitters
1. Screw the cable harness (X) into the Polytron
®
enclosure (Fig. F1).
2. Feed the field wiring through the cable entry and connect it to terminal (X) (Fig.
G).
In case of 3-wire field wiring:
 Install screw bridges between contacts 1a/1b and 3a/3b of the terminals.
(Fig. C).
3. Connect the cable shield to one of the two the grounding screws inside of the
transmitter (Fig. G1).
4. Connect the plug of the cable harness to the socket of the PCB unit.
5. Attach the lid and tighten it (44 LB IN. / 5 Nm) (Fig. E).
6. Tighten the set screw ( 8 LB IN. / 0.7 Nm) (Fig. E).
7. Close unused housing openings with screw plugs.
8. Tighten all cable entries and screw plugs (at least 5 rotations and 266 LB IN. / 30
Nm).