Installation and Configuration
6.2External Battery Cabinet Installation
Optional Liebert external battery cabinets may be connected to the UPS to provide additional battery run time. External battery cabinets are designed to be placed on one side of the UPS or stacked beneath the UPS.
The external battery cabinet frame and battery kits are shipped separately. This 4U cabinet arrives without internal batteries to lighten the cabinet for easier installation. Once the cabinet has been placed in its final floor or rack position, the internal batteries may be installed.
! CAUTION
The external battery cabinet(s) are heavy (see 14.0 - Specifications). External battery cabinets can be used in
! CAUTION
Verify that the battery cabinet circuit breaker is in the OFF position. Do no energize the battery cabinet at this time. When installation is complete, you will be instructed to turn on the circuit breaker.
When the external battery cabinet is received, it should be inspected for freight damage. Report dam- age to the carrier and your local dealer or Liebert representative.
To install an external battery cabinet:
1.For slide rail installations, first remove the top/side fin by sliding it forward and lifting it up. Optional
2.Fasten the slides into position with the screws according to the instructions included with the slide rails.
3.Use the enclosed support bases for the tower option to prevent the assembly from tipping over. One additional set of support base extensions ships with each external battery cabinet.
4.Install the two battery packs and secure with the two brackets supplied.
5.Connect the two slotted battery cables.
6.Attach the battery cover plate and the two front bezels.
7.Connect the supplied external battery cabinet cables to either set of connectors on the rear of the external battery cabinet, then to the rear of the UPS.
8.The UPS is now equipped with additional backup battery run time. For approximate battery run times, refer to Table 6 - Battery run times in this manual.
9.Do NOT turn on the battery cabinet circuit breaker at this time. Please complete the remainder of the installation first.
NOTE
UPS automatically detects the number of standard batteries that are connected. The configuration program may be used to set up the UPS for operation with non- standard external batteries. Instructions for using the configuration program follow in 8.0 - Configuration
Program.
Support Base With Spacers for External Battery Cabinets
+ | BATTERY CONNECTION |
+ | |
CIRCUIT BREAKER |
|
+ |
|
+ | BATTERY CONNECTOR |
UPS and
External Battery Cabinet
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