Mettler Toledo IND246 Installationshandbuch Seite 26

2-4 METTLER TOLEDO IND246 and IND246 POWERCELL Installation Manual
Ferrite wire-tied
to anchor
Incoming power cord
Ground wire connected
to ground stud
Figure 2-4: Preparing to Detach Front Panel
3. Disconnect the incoming AC power, noting the orientation of the black/brown and
white/blue wires. Loosen the two small screws fastening the wires to the connector and
detach the wires.
4. Loosen and remove the two nuts securing the two hinge/grounding straps that connect the
front panel to the rear housing.
5. Cut the nylon wire tie securing the ferrite core on the AC wires to the plastic adhesive pad.
6. Note how the AC power wire is looped through the ferrite core and then remove the ferrite
core from the wire.
7. Unscrew the nut that secures the green/yellow ground wire to the enclosure and remove the
wire and loop terminal from the threaded stud.
8. Loosen and remove the cable gland and AC power cable from the rear of the enclosure.
Leave the gland clamped to the AC power cable.
9. Remove the load cell cable gland from the rear of the enclosure and reinstall it into the
same sized opening at the other side of the enclosure (where the AC cable gland was
located in the AC model). Tighten the gland to 2 N-m (18 lbf-in).
10. Install the AC power cable and gland into the open location where the load cell cable gland
was previously installed. Tighten the gland to 2 N-m (18 lbf-in).
11. Use the nut removed in step 7 above to secure the green/yellow ground wire to the stud as
shown.
12. Loop the two AC wires through the ferrite core in the same manner noted in step 6 and
secure the ferrite to the plastic adhesive pad with the new wire tie provided.
Opening used by
load cell cable
Attachment studs
Ground straps
Power connector
64084463 | 03 | 12/2017