Installation guide

34 UPS 450-550 kVA (2x225 - 2x275 kVA) 1027574
User’s and Installation Guide Revision E
4.6.2 Battery wiring
CAUTION
When sizing the battery system, do not exceed the internal battery charger capabilities. See
Chapter 10: “Product specifications” for maximum battery charger current.
To install wiring to connections:
1. If using an Eaton battery cabinet, proceed to Step 2; otherwise, proceed to Step 5.
2. Route and connect the battery cables between the UPS and the battery cabinets in accordance
with the instructions in the Eaton 9395 Integrated Battery Cabinet (Model IBC-L) installation
manual. See Figure 4-4 through Figure 4-9 for wiring access information and terminal locations.
3. Connect the positive, negative, and ground DC power wiring from the battery cabinet to the UPS
cabinet battery and ground terminals. See Section 3.2.2 on page 15 for wiring and termination
requirements.
4. Proceed to Step 7.
5. Route and connect the battery cables between the UPS and the battery system. See Figure 4-4
through Figure 4-9 for wiring access information and terminal locations.
6. Connect the positive, negative, and ground DC power wiring from the battery system to the UPS
cabinet battery and ground terminals. See Section 3.2.2 on page 15 for wiring and termination
requirements.
7. After wiring the UPS system to the facility power and critical load, be sure to ground the system
according to local and/or national electrical wiring codes.
8. If wiring interface connections, proceed to Section 4.7; otherwise, proceed to Step 9.
9. When all wiring is complete, reinstall the left front panel removed in Section 4.6.1 and secure with
the retained hardware.