Liebert PS250-50S, PS400-50S, PS600-50S user manual Important Safety Instructions

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IMPORTANT SAFETY INSTRUCTIONS

WARNING: Do not attempt to service this product yourself except to replace the battery. Opening or removing the cover may expose you to dangerous voltages, even when the AC cord is disconnected from the electrical outlet. Refer all servicing to qualified service personnel.

1.SAVE THESE INSTRUCTIONS. ADHERE TO ALL OPERATING INSTRUCTIONS AND WARNINGS ON THE UNIT AND IN THIS MANUAL.

2.This equipment is designed for Commercial/Industrial use only. Liebert Corporation neither recommends nor knowingly sells this product for use in critical life support applications.

3.Read all safety and operating instructions before operating UPS. Operate the UPS indoors only. Protect it from moisture and install it in a clean environment, free from flammable liquids, gases, or corrosive substances.

4.WARNING: Operate the UPS only from an earthed outlet (2-wire plus earth), 230 VAC, 50 Hz supply. UPS must be earthed at all times while in use. Turn UPS OFF before unplugging it, or the safety earth to the equipment will be removed.

5.CAUTION: Output receptacles on the UPS are electrically live if the UPS is ON, even if the UPS is not plugged in. The on/off button on the UPS does not electrically isolate the internal parts. To isolate the UPS, switch OFF the UPS first, then unplug it.

6.CAUTION: Earth leakage current must not exceed 2.75 milli-amperes. Most data processing equipment meets this requirement if you use no more than 4 pieces of equipment. Note: These instructions may be modified by local wiring regulations.

7.Unplug the UPS and turn it OFF before cleaning. Use only water dampened cloth, never liquid or aerosol cleaners.

8.Operate the UPS only from an earthed outlet (2 wire plus earth) 230 VAC, 50 Hz. Use an H05V power supply cord with 2-pin plus earth plug for UPS AC input. If unable to fully insert plug into outlet, contact an electrician for replacement.

9.Route power supply cords so they are not walked on or pinched.

10.Never block or insert any object into ventilation holes or other openings. Maintain a minimum clearance of 100 mm all around the UPS for proper air flow and cooling.

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Contents PowerSure Important Safety Instructions Installation Instructions Operating Instructions Option Switch Settings COMPUTER/LAN Interface 400/600 VA onlyBattery Test Button Battery Care and USEResetting the Circuit Breaker Alarm ConditionsProblem Cause Solution VA LED & Alarm Indications Specifications Dimensions mmLimited Warranty Technical Support