American Power Conversion 420/520 VA user manual

Contents APC Smart-UPSSC Page Unpack InstallationIntroduction Position the UPSStart UP Connect the BatteryConnect Equipment to the UPS Rear Panels 110/120 230Start the UPS Network ConnectorsConnect the UPS to the Network if Applicable Front Display Panel OperationUser Configurable Items UPS ID Upsiden110/120 V model Storage Battery ReplacementStorage and Maintenance TROUBLESHOOTING, SHIPPING, and Service Replace Battery LED is Illuminated Shipping and Service Contact InformationModels Regulatory and Warranty Information110/120 V models Limited Warranty