Instruction manual

INSTALLING THE UPS SYSTEM
Eaton
®
9390 UPS (20–80 kVA) and 9390IT (20-40 kVA) Installation and Operation Manual S 164201603 Rev 4 www.eaton.com/powerquality
4-18
Parallel System Installation Checklist
- Each cabinet in the parallel system is placed in its installed location.
- All conduits and cables are properly routed to the UPMs and to the parallel tie or distribution cabinet.
- All power cables are properly sized and terminated.
- The bypass source feeding the optional bypass of the parallel tie cabinet and the UPMs is from the same source of
supply and is a four-wire wye configuration.
- Neutral conductors are installed or bonded to ground as per requirements.
- A ground conductor is properly installed.
- Controller Area Network (CAN) wiring between the UPMs is properly installed.
- Pull chain wiring between the UPMs is properly installed.
- Adequate workspace exists around the UPMs, parallel tie cabinet, and other cabinets.
- Startup and operational checks are performed by an authorized Eaton Customer Service Engineer.