Alpha Technologies Cordex CXPS-D 48-2500_5000A - Manual (Page 47)

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6.5 Battery Connections
Battery cables should be sized for a 0.25 V drop from battery to the power system at full load including antici-
pated growth. The cables should also meet ampacity requirements.
6.5.1 Battery Return Connections
Procedure:
1. Connect the battery return cables to an external battery return bus bar, if installed, (Figure 33) or to the return
bus bar termination on the bay:
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• 24 sets of 1/2" holes on 1¾" centers
• 24 sets of 3/8" holes on 1" centers
• 72 sets of 1/4" holes on 3/8" centers
• 6 sets of 1/2" on 1 3/4" centers and/or
3/8" on 1" centers (12 if connected to both
sides of the bar)
2. In a two-bay system, balance battery and load returns evenly between the two bays.
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6.5.2 -48V Battery Cables
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1. Connect directly to the -48V bus bar at the left top of the power system bay.
2. In a two-bay system, balance the quantity of batteries evenly between the two systems.
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See Table E
on page 40 for
recommended
torque values.
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