Basic Installation and Operation Guide
TE Series Digital Solid State Soft Starters 18 – 1250A
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4.2.9 Bypass Contactor Control
On
TE…-BP
version starters, an internal dedicated connection is used at
the factory for automatically controlling the Bypass Contactor. Field
wiring for Bypass Contactor operation is not required.
4.2.9.a
Independent Bypass Contactor Control
The
TE…-BP Series
starters use standard industrial contactors that
can be controlled independent of the starter electronics if necessary.
When doing so, it is necessary to size the starter based upon the
ATL (Across-the-Line) selection chart so that the contactors are
rated for ATL duty instead of normal Shunt Duty. (see section 1.2.3).
Supplemental overload protection will be required (see section
3.1.3.c).
Units have external terminal blocks marked for this purpose (see
Appendix 4 for drawings). Dry (voltage free) contacts closure
between these terminals will close the bypass contactor immediately.
The Bypass Contactor coil voltage is the same as the control voltage
(120VAC unless the optional 240VAC control is specified), and the
voltage on these terminals is the same as the coil voltage.
No field wiring is necessary to these terminals if this feature is
not used.
For all other styles of
TE Series,
the At-Speed signaling can be
programmed into any of the three Output relays (section 4.2.8 and Table
5.6.9).
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