Parallel Bypass - Eaton Powerware 9355 Parallel User Manual

Chapter 9
®
EATON Powerware 9355 Parallel UPS (10/15 kVA) User's Guide

Parallel Bypass

To switch the parallel UPS to maintenance bypass from Normal mode:
1. From any UPS, set the system to internal Bypass mode:
S
Using the button on the front panel display, scroll to the Control
menu option and press the
S
Press the button to select the Go to Bypass Mode option.
The and
is operating in Bypass mode.
2. Switch the bypass breaker on the parallel tie cabinet to the ON
position.
3. Switch the UPS breakers on the parallel tie cabinet to the OFF
position.
button.
indicators illuminate, indicating the UPS system
S
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