ERICO TDS-DINLINE Surge Suppressor - Manual (Page 19)

PAGE 19
TDS-DINLINE Surge Suppressor units are
designed for optimum performance under
severe transient activity. To provide this
performance, electronic components in the
unit are encased in a patented proprietary,
shock and thermal absorbent compound.
Units cannot be serviced, they must be
replaced.
Do not attempt to open or tamper with the
units in any way as this may compromise
performance and will void warranty.
Do not “Megger” or perform other types of
electrical tests that apply voltages greater
than the nominal operating voltage of the
Surge Suppressor. The Suppressor will
attempt to limit these voltages thereby
affecting the test result. Where these tests
must be performed, remove the Surge
Suppressor from circuit first.
14. ALARM RELAY (TDS-AR)
The Surge Suppressor status monitoring
circuit which provides the visual status
display also provides a low voltage opto-
coupler alarm output circuit. This should only
be connected to the TDS ALARM RELAY. The
TDS-AR voltage free alarm contacts may then
provide output to external alarm systems or
remote monitoring circuits.
The TDS ALARM RELAY provides fully
isolated potential free change-over alarm
output contacts. One TDS-AR can be used per
Suppressor opto-coupler alarm or Multiple
Suppressor opto-coupler alarms can be
connected in series to the one TDS-AR to
provide a common output.