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Compaq R6000 Series UPS Operation and Reference Guide
Compaq Confidential – Need to Know Required
Writer:
Dan Lyons
Project:
Compaq R6000 Series UPS Operation and Reference Guide
Comments:
revised as per A. May
Part Number:
347223-022
File Name:
c-ch2.doc
Last Saved On:
3/24/99 1:41 PM
Configuring Load Segments
Considerations
Before connecting the UPS to other devices, verify the load the UPS will be
carrying. Make sure that the cumulative total device Watts or VA rating (the
load) does not exceed the Watts or VA rating for the UPS.
When the UPS batteries are fully charged, backup time for R6000 Series units
at recommended 80% load is greater than 8 minutes without Extended
Runtime Modules attached. Battery runtimes can surpass 15 minutes and more
with partial loads, while ERM additions can increase runtimes up to 30
minutes, even at 80% loads. Keep this in mind when loading the UPS.
Battery runtimes may vary depending on several factors, including, but not
limited to: ambient temperature; age of batteries; and, number of cycles.
Table 2-2
Load Effect on Backup Time
Load % Estimated Backup Time
100 Greater than 6 minutes
80 Greater than 8 minutes
50 Greater than 15 minutes
80% plus 1 ERM Greater than 18 minutes
80% plus 2 ERMs Up to 30 minutes
NOTE:
Compaq recommends the load should not exceed 80% of the Compaq
R6000 UPS rated output.
Attaching the Load Segments
Attach the load equipment to the appropriate UPS output receptacles using
approved power cords. See “Load Segments” in this section for receptacle
configuration.