AMX NXA-UPS1500 manual Assembling the Battery Pack, Overview

Assembling the Battery Pack

Assembling the Battery Pack

Overview

The UPS battery needs to be assembled before installation: the battery pack consists of four individual batteries, a connector wiring package (one large wire harness with two black and two red wires attached to a four-pin connector and two separate red wires), and the aluminum battery case components.

Each battery has color-coded contacts, with red for "positive" and black for "negative". Each battery will lie on its side in the battery case, as part of a pair, with the contacts of one at the opposite end as the contacts of the other. The completed battery case will not slide into the unit when wired if the batteries are not in this position when the case is assembled. (See FIG. 6).

FIG. 3 Connecting the batteries to each other and to the 4-pin connector

1.Remove the batteries from their packing material and stand them upright on the bottom of the battery case, making two pairs. Alternate the batteries so the contacts of one in each pair are opposite the contacts of the other. (See FIG. 3)

2.With the contacts facing up, take the large wire harness (the one with the yellow 4-pin connector at one end) and connect each pair to the assembly. Make sure that the color of each wire, red or black, matches the color of the battery contact. Only attach one wire from the harness to each battery.

When attaching the wire harness to the battery pairs, note the red-black wire pairs coming from the connector. The black and red wires in each set emerging from the connector must be attached to its matching contact in only one battery pair; connecting a red wire to one battery pair and a black wire to the other battery pair will not complete the circuit and the battery pack will not work.

3.The remaining two wires from the wiring package complete the serial circuit. Connect the red wire first to a red contact on one battery and then to a black contact on the other in the pair. Likewise, connect the black wire first to the remaining black contact, then to the remaining red contact in the second pair.

4.At this point, flip the batteries so that their wide and long sides face down. Make sure that the contacts of each battery face the side containing contacts on the other in its pair. Gently put tension on the wires to take up any slack; the wire harness should be hanging to one side. The wires themselves should run between the battery pairs until they emerge from the side. If any wire should hang over the top of the batteries, gently press it down between the batteries to keep it out of the way.

5.Assemble the battery case around the battery pairs. When installing the battery in the unit, the wire assembly will hang out from the right side of the battery pack.

NXA-UPS1500 Uninterruptible Power Supply 7