Eaton Powerware 9130 User Manual

Also see for Powerware 9130: User guide Specifications User guide User guide Installation guide

Contents

OPERATIONEaton® 9130 UPS (700–3000 VA) User's Guide 164201718 Rev 2 www.powerware.com48Setting Power StrategyOn the High Efficiency setting, the UPS operates normally on Bypass,transfers to inverter in less than 10 ms when utility fails, and transfersback to Bypass in 1 minute after utility returns. The indicatorilluminates when the UPS transfers to Bypass.NOTE High Efficiency operation is available after one minute of stable power.To set the power strategy:1. Press any button to activate the menu options, then selectSETTINGS, USER SETTINGS, and POWER STRATEGY.2. Select HIGH EFFICIENCY or NORMAL, and ENTER to confirm.Configuring Bypass SettingsThe following settings are available for configuring Bypass operation.Transfer to Bypass When Overload. The default forces a transfer to Bypasswhen any overload condition occurs. You can configure the setting for adelayed transfer, with the amount of delay determined by the amount ofoverload, as shown in Table 19 on page 84.Bypass Voltage Low Limit. The default disables a transfer to Bypass if themeasured bypass voltage level is below the nominal output voltageminus 15%. You can configure the setting for another percentage ofnominal. This setting can be overruled by the “Qualify Bypass” setting.Bypass Voltage High Limit. The default disables a transfer to Bypass if themeasured bypass voltage level is above the nominal output voltageplus 10%. You can configure the setting for another percentage ofnominal. This setting can be overruled by the “Qualify Bypass” setting.Qualify Bypass. The default allows a transfer to Bypass only when Bypassis within the following specifications: Bypass voltage is between the “Bypass Voltage Low Limit” and“Bypass Voltage High Limit” settings. Bypass frequency is within nominal frequency ±5 Hz. The inverter is synchronized with Bypass when the “UnsynchronizedTransfers” setting is disabled.