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- Page 1 Eaton Series Battery Upgrade Instructions For use with the Eaton ® 9355 (20–30 kVA) Revision 01...
- Page 2 Eaton reserves the right to change specifications without prior notice. Eaton is a registered trademark of Eaton. All other trademarks are property of their respective companies. ©Copyright 2018 Eaton, Raleigh, NC, USA. All rights reserved. No part of this document may be reproduced in any way without the express written approval of Eaton.
- Page 3 T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s 1 1 I I n n t t r r o o d d u u c c t t i i o o n n ........................................................... . 1 1 2 2 B B a a t t t t e e r r y y U U p p g g r r a a d d e e P P r r o o c c e e d d u u r r e e .
- Page 4 Table of Contents Battery Upgrade Instructions for 9355 (20–30 kVA) —Rev 01...
- Page 5 C C h h a a p p t t e e r r 1 1 I I n n t t r r o o d d u u c c t t i i o o n n The two-row battery tray (P/N: P-103000933, revision 5) that was used for the 9355 20-30kVA is now discontinued.
- Page 6 Introduction Figure 3. Wiring Harness Adapter P-152001881 The total battery string voltage in a 9355 20-30 kVA UPS is 216V (18 batteries, where is each battery is 12V nominal). The single-tray configuration that is being replaced holds 18 batteries. Two strings fit in each battery shelf of the 9355 20-30 kVA UPS.
- Page 7 C C h h a a p p t t e e r r 2 2 B B a a t t t t e e r r y y U U p p g g r r a a d d e e P P r r o o c c e e d d u u r r e e WARNING This procedure involves interacting with components that may be energized.
- Page 8 Battery Upgrade Procedure Figure 5. Open the Battery Circuit Breaker CB2 and Remove the Battery Dead Front As shown in Figure 6, disconnect the positive (red) and negative (black) battery connectors for all the battery trays. NOTE If an external battery cabinet is attached, it must also be disconnected from the UPS. Figure 6.
- Page 9 Battery Upgrade Procedure WARNING All battery trays must be disconnected before proceeding. Remove the two M5 bolts that secure the retaining bracket on the battery shelf for the battery tray to be replaced (see Figure Figure 7. Remove the Battery Retaining Bracket Remove the existing two-row battery tray from the unit (see Figure Battery Upgrade Instructions for 9355 (20–30 kVA)
- Page 10 Battery Upgrade Procedure Figure 8. Remove the Old Two-Row Battery Tray Slide two new single-row trays in place of the tray that was removed. The two new single-row trays are now side-by-side with one old dual-row tray on the same shelf, forming two battery strings (see Figure Figure 9.
- Page 11 Battery Upgrade Procedure Figure 10. Re-install Battery Retaining Bracket and Remove Tie-Wraps 11. Install the adapter on the UPS side battery harness (see Figure 11). Connect the adapter to the UPS battery harness (red–to–red and black–to–black). WARNING It is critical that these connections are correct. A harmful arc flash will occur if these connections are crossed. Figure 11.
- Page 12 Battery Upgrade Procedure Figure 12. Install Heat Shrink Tubing and Secure Using Tie-Wraps 13. Anchor the UPS battery harness to the battery retaining bracket using tie wraps (see Figure 13). Figure 13. Anchor Battery Harness to Battery Retaining Bracket CAUTION Observe proper precautions when verifying polarity.
- Page 13 Battery Upgrade Procedure Figure 14. Connect Battery Harness to New Battery Trays 16. Connect the UPS battery harness to the existing battery trays. Verify polarity before making each connection. All cabinet strings should now measure 216V (nominal) NOTE When making connections, it is preferable to make all connections of the same color first, then make all connections of the other color.