KROHNE OPTIWAVE 7300 C Handbook page 27

Handbook OPTIWAVE 7300 C
5. Loosen ground terminal screw (e) and insert wire. Retighten screw. See section 2.2.3: Power supply, Ex
versions for earth connection (equipotential bonding system) for Ex-approved devices.
6. Check that the wires are held correctly by the terminals.
7. Retighten the top of the cable gland until the ring forms a seal around the cable.
8. Grease the thread (f) of the wiring compartment cover.
9. Screw on the wiring compartment cover (c). Remount cover lock(b).
10. Go to section 3.1: Commissioning, power-on and start-up before energizing the device to make sure
that the device is correctly installed and connected.
Wiring devices approved for use in potentially explosive atmospheres
Please refer to the special manuals included with the device (in print or on the CD-ROM) for wiring devices
for use in hazardous areas.
27 OPTIWAVE 7300 C