Eaton Powerware Series User Manual

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OPERATIONEATON BladeUPS® (12 kVA) User's Guide 164201649 Rev 4www.eaton.com/powerquality68If the input line exceeds normal operating range, the UPS transfers to Standardoperation to produce a regulated output voltage. When the input line returns tonormal operating range, the UPS returns to High Efficiency operation.You can change the default High Efficiency setting to Standard from the front panel.See Table 4 “User Settings” on page 66.BladeUPS 12 module only. Continuous Standard operation is available only for loads lessthan 10 kW (85%). If the load exceeds the 10 kW limit while on Standard operation,the UPS will switch back to High Efficiency operation until the load is reduced below9 kW. After three attempts within one hour to operate on Standard, the UPS will lockback into High Efficiency operation for one hour to prevent continuous cycling.Battery ModeWhen the UPS is operating during a power outage, the alarm beeps once every fiveseconds and the indicator illuminates solid.When the utility power returns, the UPS transfers to Normal mode operation whilethe battery recharges.If battery capacity becomes low while in Battery mode, the indicator flashesslowly and the audible alarm becomes continuous. If the Battery Low alarm is set, theindicator also illuminates solid. This warning is approximate, and the actual time toshutdown may vary significantly.NOTE Depending on the UPS load and the number of Extended Battery Modules (EBMs), the Battery Lowwarning may occur before the batteries reach 25% capacity. See Table 17 on page 102 for estimatedruntimes.When utility power is restored after the UPS shuts down, the UPS automaticallyrestarts. UPSs in a parallel system stagger their return from Battery mode by 500 ms,beginning with UNIT 1.Bypass ModeIn the event of a UPS overload or internal failure, the UPS transfers your equipment toutility power. Battery mode is not available and your equipment is not protected;however, the utility power continues to be filtered passively by the UPS. Theindicator illuminates.The UPS transfers to Bypass mode when: The user activates Bypass mode through the front panel. The UPS detects the control panel being disconnected from the electronicsmodule. The UPS detects the electronics module being replaced. The UPS detects an internal failure. The UPS has an overtemperature condition. The UPS has an overload condition listed in Table 14 on page 101.Standby ModeWhen the UPS is turned off and remains plugged into a power outlet, the UPS is inStandby mode. The indicator is off, indicating that power is not available to yourequipment. The battery recharges when necessary.