Eaton Powerware 9390 Installation And Operation Manual

Also see for Powerware 9390: Installation and operation manual Installation and operation manual Installation and operation manual Manual Brochure & specs

Contents

POWERWARE SYNC CONTROL OPERATING INSTRUCTIONSEATON Powerware® 9390 and 9395 Sync Control Installation and Operation Manual 164201571 Rev E www.powerware.com 4−3UPS System−ABypass VoltageUPS System−BOutput Voltage(Load B)UPS System−BBypass VoltageUPS System−AOutput Voltage(Load A)UPS System−A SynchronizationReference VoltageUPS System−B SynchronizationReference VoltagePowerware Sync ControlSynchronizationReference Control RelaysRelay 1 Relay 2NOTE The Synchronization Reference Control relays are shown under normal conditions. Both bypass sources are available and arein synchronization.NOTE Dashed switch position of Synchronization Reference Control Relay 1 shows UPS System−A in the non−master system mode.NOTE Dashed switch position of Synchronization Reference Control Relay 2 shows UPS System−B in the non−master system mode.NOTE At any given time, only one of the UPS systems can be in the non−master system mode.Figure 4-2. Synchronization Reference Control4.3 OperationPerform the following procedure to set up the Powerware Sync Control for operationwith your system. See Figure 4-3 and Table 4-1 for the location and explanation ofthe controls and indicators on the Powerware Sync Control.1. Place both UPS systems in normal operating mode. Refer to the applicablePowerware 9390 or Powerware 9395 UPS Installation and Operation Manuallisted in paragraph 1.3 on page 1−4.2. Press the Lamp Test pushbutton to verify all indicators illuminate and areworking correctly.3. Determine which system load bus (A or B) will be used as the mastersynchronization source. Set the Preferred Source Selector switch to this loadbus.NOTE If either of the yellow Synchronized To Load indicators are illuminated, the Preferred Source Selectorswitch is locked out and the master synchronization source cannot be changed.