3Com Prestige Series Power Supply User Manual


 
Introduction
4
Powerware
®
Prestige Series Installation and Operator’s Manual for IBM Applications (3000 VA) Uncontrolled Copy
1. See “Load Requirements” on page 2 for assistance in
determining the total load requirements for your UPS. Round
this number up to the next Load (VA) entry in the following
table, “Prestige 3000 with PPDM,” and enter the number in
Figure 3.
2. In Figure 3, enter the number of battery cabinets that you
have installed. Find the intersection point of the appropriate
Load (VA) and number of battery cabinets in the following
table, “Prestige 3000 with PPDM.” Enter this number in
Figure 3, Total Battery Time Minutes.
If changes take place in your installation, such as different load
parameters or changes to battery cabinet configuration, take time to
reevaluate your approximate battery time availability.
NOTE For detailed information regarding calculation of 9910 UPS battery capacity and
run time for your load, reference: “AS/400 Physical Planning,” SA41-5109, “AS/400
Advanced Series Backup and Recovery - Advanced,” SC41-4305 (see Chapter 10), or
“AS/400e series Backup and Recovery,” SC41-5304 (see Chapter 37).
Prestige 3000 with PPDM
L
o
a
d
(
V
A
)
L
o
a
d
(
W
)
Approximate Battery Time (in Minutes)
Load (VA) Load (W)
1 Cabinet 2 Cabinets 3 Cabinets
600 420 36.8 88 146
800 533 27.6 66 110
1200 800 18.4 44 73
1600 1067 13.7 33 54
2000 1333 10.7 26 42
2500 1667 8.3 20 33
3000 2000 6.5 16 27
NOTE For AS/400 usage, see “Base Equipment” on page 69.