65
Ultron NT Series
Chapter 5 : External Battery Cabinet
The NT series UPS must be connected to at least one external battery cabinet to
ensure that the critical loads connected are protected when a power failure occurs.
5.1 External Battery Cabinet Usage Warnings
To ensure that the batteries are fully charged, please charge the batteries at least 8
hours before initial use of the UPS. The charging procedures are as follows.
1. Connect the UPS to an AC power source and the external battery cabinet.
Please refer to Chapter 4: Installation and Wiring.
2. Turn on the UPS and the external battery cabinet. After the UPS is turned on, the
unit will automatically charge the batteries.
WARNING:
You can connect the critical loads to the UPS only after the batteries are
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power to the critical loads connected when a power failure occurs.
z
Battery
1. Charge Voltage:
1) Float charge voltage: 393Vdc (default)
2) Boost charge voltage: 405Vdc (default)
2. Charge Current:
Capacity
(kVA)
10~
20
30 40 50 60 80 100 120 160 200 260 320
400~
500
Charge
Current (A)
4 5 7 9 11 14 18 22 29 36 30 35 40
NOTE :
If you want to modify the default charge current setting,
please contact your local dealer or customer service.
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