APC RT - UXICH User Manual download pdf (Page 18)

14 Smart-UPS RT 15000/20000 VA 230 Vac UXI/UXICH Tower User Manual

Third party battery solution

Batteries must be Sealed Lead-Acid type. Use 50 A, 250 Vdc fuses with an Interrupt rating of

20,000 A.

Ensure that the external batteries are wired prior to connecting the batteries to the UPS.

Two separate, isolated 192 V battery systems are required when using a third party battery solution. One cable

assembly must be wired to each 192 V battery system. Two cable assemblies are included with the UPS, one for

each 192 V battery system.

Each battery system must have identical Amp-hrs.

Connect the ground and wire the battery system

1. Connect the ground wires (supplied), to each battery enclosure ground and the ground screw on the back

of the UPS.

2. Cut off one of the connectors on each cable assembly exposing the positive and negative wires in each

cable.

3. Connect the positive and negative wires to the positive and negative terminals on each external battery

system. Ensure that the proper polarities are connected.

4. Plug the cable connectors into the battery connector receptacles on the back of the UPS.

5. Enter the external battery capacity through the PowerView menu.

a. This setting determines battery runtime and battery charge rate.

b. The number entered in the menu screen Ext Bat Cap, must equal the number of Amp-hrs in one of the

identical battery systems.

192 V 192 V

grnd

192 V 192 V

grnd

Fuse

Battery System

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APC RT - UXICH User Manual Page 18