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7.2.4 DC C
ONNECTIONS
Review the attached system drawings and schematics for model specific
information on DC output connections.
Wire should be sized for a maximum voltage drop of 0.5 volt.
Battery cabinets that are not supplied with an incorporated DC output disconnect
device must have an appropriate disconnect device provided external to the cabinet.
Verify that the output breaker is in the off/open position before making any DC
connections to additional cabinets or to the UPS. Also verify that the UPS charger
is not running.
1. Open the front door on the cabinet and check for any noticeable problems or damage that
may have occurred during shipment.
2. Review the attached installation drawing and schematic. A cable has been left off in the
middle of the battery string for safety and will be installed later.
3. Check and re-torque internal battery connections, as shipping may have caused these
connections to come loose. Proper torque values are noted on the drawing and also on the
battery case.
4. Connect main cables from the UPS or charger source to the battery cabinet output. The
battery cabinet output connection point will vary depending on the cabinet configuration.
The main output connection point may be directly to the circuit breaker, to the fuse block,
or to a terminal block or bus bars. Review the supplied cabinet drawing for information on
the battery cabinet output. All cables should be sized per NEC and any other local codes
pertaining to this equipment. Refer to the UPS or charger manual for wiring external
batteries. Note: Make sure charging source is disconnected before making these
connections.
5. Connect the cable that was left off during shipment and install as shown on the drawing.
Torque connections properly.
7.2.5 S
O
YSTEM
PERATION
Please refer to the UPS system manual for system start up and operation information.
8/27/2013
16
BC11 B
C
ATTERY
ABINET
755-00044 R02
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