Eaton 9910 - Behavior on Overload

OPERATION
Eaton 9910 UPS and EBM User's Guide S P-164000005 Rev 2
30
Behavior on Overload
Table 5 and Table 6 explain how the UPS responds to an overload
condition.
Table 5. Behavior on Overload (3000 VA Models)
Overload
Severity
Load
Level
On Utility Power On Battery
Level 1 100% to
101%
Overload alarm only and support load
indefinitely
Overload alarm only, support load until low
battery shutdown level is reached
Level 2 102% to
110%
Shutdown in 2 minutes Shutdown in 12 seconds or until low battery
shutdown level is reached
Level 3 >110% Shutdown in 300 milliseconds Shutdown in 2 seconds
Table 6. Behavior on Overload (6000 VA Models)
Overload
Severity
Load
Level
On Utility Power On Bypass On Battery
Level 1 100% to
101%
Overload alarm only and
support load indefinitely
Overload alarm only and
support load indefinitely
Overload alarm only, support
load until low battery
shutdown level is reached
Level 2 102% to
110%
Transfer to Bypass after
12 seconds (±1). If Bypass is
not available, transfer to Fault
mode after 12 seconds (±1)
Overload alarm plus "Level 2
Overload" alarm only and
support load indefinitely
Transfer to Fault mode after
12 seconds (±1) or until low
battery shutdown level is
reached
Level 3 >110% Transfer to Bypass
immediately. If Bypass is not
available, transfer to Fault
mode in 300 ms to 1 second
Overload alarm plus "Level 2
Overload" alarm plus "Level 3
Overload" alarm only and
support load indefinitely
Transfer to Fault mode in
300 ms to 1 second