S&C 6800 Series, Инструкция

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12 S&C Instruction Sheet 1045-510
Installation
Figure 4. Inside of the switch control enclosure, showing jumper locations (6801 Control
shown). The Wye jumper is installed, Delta is the alternate jumper.
b. Use the following table to fi nd which jumper is correct for your type of
distribution system.
3-Wires & Grounding Type Use
Uni-grounded Wye System Delta jumper(s)
4-Wires & Grounding Type Use
Uni-grounded Wye System
(Primary Neutral)
Delta jumper(s)
Multi-grounded Wye System Wye jumper(s)
Delta System Phase-to-ground connected sensors are
not normally used on ungrounded delta
systems. Contact S&C for special appli-
cations.
a. Locate the installed Sensor Conditioning module jumper(s) and the alternate
jumper(s). See Figure 4.