RDT Transfer Switch Manual

TP-6345 9/1348 Section 6 Scheduled Maintenance
5
3
4
2
ADV-8445
1. Normal (utility) source service disconnect breaker
2. SPD module
3. Terminal block TB1 location
4. Ground
5. Neutral
1
Figure 6-2 SPD Module Replacement, 400 Amp SE
Models
7. Install the new module and tighten the mounting
screws to 3 Nm (26 in. lb.).
8. Connect the SPD leads. See the service entrance
transfer switch wiring diagram in Section 7. Also
seeFigure6-3.
9. Replace the enclosure’s inner panel.
10. Close the Normal and Emergency service
disconnect circuit breakers.
11. Reconnect the generator set engine starting
battery, negative (--) lead last.
12. Reconnect power to the battery charger.
13. Close the battery charger circuit breaker.
14. Replace the ATS enclosure’s front panel.
15. Put the generator set into automatic (standby)
mode: Move the generator set master switch to the
AUTO position or press the AUTO button on the
generator set controller.
SPD Lead Connection
Black
Normal Source service disconnect
breaker
Black
White Neutral
Green Ground
Red NC, TB1-7
Blue NO, TB1-6
Yellow C, TB1-5
Figure 6-3 SPD Connections