Powerware 5075 kVA - Manual (Page 24)

16 Powerware BPIII Harsh Environment UPS 50--75 kV Installation and Operation
164291261 Rev. F 111503
Installing UPS Internal Power and Control Wiring
NOTE: The cables used in steps 2 through 12 are coiled inside the Environmental
cabinet and are attached at the factory to the terminals inside this cabinet.
Wiring harness with connectors J20, J22, and J23 are coiled inside the UPS
cabinet. Wiring harness with connectors P20, P22, and P23 are coiled inside
the Environmental cabinet. Refer to Drawings 164201261---1 and
164201261---4 in Appendix A of this manual for wiring and termination
requirements and terminal locations.
1. Remove the sheet metal shield covering the bottom half of the UPS cabinet.
2. Route DC input cables (cables 205 and 206) from the Environmental cabinet
through the cutout in cabinet sides to the DC UPS Input terminals in the UPS
cabinet.
3. Connect positive DC power cable 205 to the DC input terminal E4. Refer to
Appendix A of this manual for terminal locations and tightening torque.
4. Connect negative DC power cable 206 to the DC input terminal E5. Refer to
Appendix A of this manual for terminal locations and tightening torque.
5. Route AC Input Bypass Transformer cables (cables 227, 228 and 229) from the
Environmental cabinet through the cutout in cabinet sides to the Bypass
Transformer Input terminals in the UPS cabinet.
6. Connect phase A, B, and C power wiring cables 227, 228, and 229 to Bypass
Transformer Input terminals E13, E14, and E15 respectively. Refer to Appendix
A of this manual for terminal locations and tightening torques.
7. Route AC Input to UPS Rectifier cables (cables 250, 251 and 252) from the
Environmental cabinet through the cutout in cabinet sides to the UPS Rectifier
Input terminals in the UPS cabinet.
8. Connect phase A, B, and C power wiring cables 250, 251, and 252 to AC Input
to UPS Rectifier Input terminals E1, E2, and E3 respectively. Refer to Appendix
A of this manual for terminal locations and tightening torques.
9. Route AC Output cables (cables 237, 238 and 239) from the Environmental
cabinet through the cutout in cabinet sides to the AC Output terminals in the
UPS cabinet.
10. Connect phase A, B, and C power wiring cables 237, 238, and 239 to AC
Output terminals E9, E10, and E11 respectively. Refer to Appendix A of this
manual for terminal locations and tightening torques.
11. Route two Neutral cables (cable 600) from the Environmental cabinet through
the cutout in cabinet sides to the Neutral terminal in the UPS cabinet.
12. Connect two Neutral power wiring cables 600 to Neutral terminal E12. Refer to
Appendix A of this manual for terminal locations and tightening torques.
13. Route wiring harness with connectors P20, P22, and P23 from the
Environmental cabinet through the cutout in cabinet sides.
14. Connect connectors P20, P22, and P23 to connectors J20, J22, and J23
respectively.
15. Reinstall UPS Cabinet sheetmetal shield.