APC 620 VA, SC620, 420 VA user manual APC Smart-UPS SC, User Manual, English, 990-1853D 12/2005

Models: 420 VA 620 VA SC620 110 VAC

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Page 1

110/120/230 VAC

Tower

Uninterruptible Power Supply

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Contents

APC Smart-UPS SC 420/620 VA 110/120/230 VAC Tower Uninterruptible Power SupplyUser Manual EnglishPage Attention Read the safety instruction sheet before installation 1 INSTALLATIONAttention The UPS comes with battery disconnected IntroductionConnect Equipment to the UPS Connect the Battery2 START UP Rear PanelsConnect the UPS to the Network if Applicable Network ConnectorsStart the UPS 3 OPERATION Front Display PanelThe UPS is supplying utility power to the connected equipment On Line4 USER CONFIGURABLE ITEMS 110/120 V model 110/120 V model230 V model 230 V model5 STORAGE AND MAINTENANCE Battery ReplacementStorage UPS IS NOT PROVIDING EXPECTED BACKUP TIME 6 TROUBLESHOOTING, SHIPPING, AND SERVICEALL LEDS ARE FLASHING OR ON -LINE AND ON -BATTERY LEDS ARE FLASHING UPS WILL NOT TURN ONUPS OPERATES ON BATTERY ALTHOUGH UTILITY VOLTAGE EXISTS THE REPLACE BATTERY LED IS ILLUMINATEDTHE INPUT CIRCUIT BREAKER HAS TRIPPED ON-LINE LEDContact Information Shipping and Service110/120 V models 7 REGULATORY AND WARRANTY INFORMATION230 V models Limited Warranty