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14. On the UPM 1 Control Command screen, select
15. Press the
pushbutton on the UPM 1 Command menu bar.
SELECT
16. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING INVERTER
SYNCING
READY
The UPM 1 rectifier and inverter turn on.
If the Inherent Redundancy option is enabled, a loss of redundancy alarm will be issued.
Silence the alarm and continue to Step 17.
17. Repeat Steps 12 through 15 selecting
18. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING INVERTER
SYNCING
READY
The UPM 2 rectifier and inverter turn on.
19. If the UPS is a three UPM model, repeat Steps 12 through 15 selecting
20. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING INVERTER
SYNCING
READY
The UPM 3 rectifier and inverter turn on.
21. If the UPS is a Plus 1 model or an upgraded 825/550, repeat Steps 12 through 15 selecting
to start UPM 4.
UPM 4
22. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING INVERTER
SYNCING
READY
The UPM 4 rectifier and inverter turn on. When the inverter reaches full voltage, the UPS is
ready to transfer to the Online mode and supply the critical load.
23. Repeat Steps 1 through 22 for each UPS in the distributed bypass system.
NOTE
To transfer to Online mode after starting individual UPMs, follow the procedure in paragraph 7.6.18 .
135
UPM ON
to start UPM 2.
UPM 2
9395P 250 kVA / 275 kVA / 300 kVA
User's and Installation Guide
.
to start UPM 3.
UPM 3
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