Behavior on Overload
See Table 8 for an explanation of how the UPS responds to an overload condition.
Table 8. Behavior on Overload
Overload | Load Level | On Utility Power | On Bypass | On Battery |
Severity |
| |||
|
|
|
| |
|
|
|
|
|
Level 1 | 100% to 101% | Overload alarm and | Overload alarm | Overload alarm and supports |
|
| supports load | and supports load | load until low battery |
|
| indefinitely | indefinitely | shutdown level is reached |
|
|
|
|
|
Level 2 | 102% to 110% | Transfers to Bypass | Transfers to Fault | Transfers to Fault mode in |
|
| mode in 12 sec (±1 sec). | mode in 2 min | 12 sec (±1 sec) or when low |
|
| If Bypass mode is not | (±1 sec) | battery shutdown level is |
|
| available, transfers to |
| reached |
|
| Fault mode after 12 sec |
|
|
|
| (±1 sec). |
|
|
Level 3 | > 110% | Transfers to Bypass |
|
| mode immediately. If |
|
| Bypass mode is not |
|
| available, transfers to |
|
| Fault mode after 300 ms |
|
| to 1 sec. |
Transfers to Fault mode in 300 ms to 1 sec
Transfers to Fault mode in 300 ms to 1 sec
48 Operation