User's Manual

User’s Manual for ION-B Systems
Page 22
Manual TFAH-
ES70_80_50.doc
12. Caution: The unit complies with the surge requirement according to EN 61000-4-
5 (fine protection); however, installation of an additional medium (via local supply
connection) and/or coarse protection (external surge protection) is recommended
depending on the individual application in order to avoid damage caused by
overcurrent.
13. Caution: Observe the labels on the front panels before connecting or
disconnecting any cables.
2.1.5.2. Grounding (Earthing)
The RU must be grounded (earthed).
1. Connect an earth-bonding cable to the grounding bolt(s) connection provided on
the outside of the remote unit (near the Mains connector) as shown in Fehler!
Verweisquelle konnte nicht gefunden werden.. Do not use the grounding
connection to connect external devices.
Figure 2-10 Grounding bolts Figure 2-11 Grounding bolt, schematic view
2. After loosening the hex nut, connect the earth-bonding cable between the two
washers as illustrated in the figures above.
3. Then, fasten all parts again by tightening the hex nut.
4. Connect the other end of the ground wire to a suitable permanent ground
following local electrical code practices.