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82
PRELIMINARY
3 Communication (continued)
3.3 Upgrading Firmware for the System Board (continued)
3.4 Upgrading Firmware for the Power Module
h) Load the new fi rmware fi le and click “Upgrade” (Figure 3.3g).
i) Once the system fi nished upgrading its fi rmware, it will auto-reset into manual bypass mode (Figure 3.4h).
Fig 3.3g
Fig 3.3h
BYPA.
MAINS
LOAD UNPROTECTED
ON MANUAL BYPASS
BYPA.
MAINS
BYPA.
MAINS
LOAD UNPROTECTED
ON MANUAL BYPASS
WARNING: Make sure that the UPS is in bypass mode and that all power modules have been completely
de-energized.
WARNING: When the system is in manual bypass mode, bypass power is still present in the output
terminal block.