N1C NE Series User Manual
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Contents
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67All rights reserved ©N1 Critical Technologies, Inc.NE Series (20-30kVA)User Manual Chapter 5 Maintenance GuideChapter 5 Maintenance GuideThis chapter introduces the maintenance of UPS, including safety precautions, periodic preventativemaintenance, battery maintenance, fan maintenance and so on. Proper maintenance is the key to enablethe device run in the best status and with a longer service life.5.1 Safety PrecautionPay attention to the following safety operation regulations: Remember that there always exists hazardous voltage inside UPS even when UPS does not run.Before maintaining the UPS, use a multimeter to check the voltage and make sure that the UPS iscompletely closed. Before operating the UPS, remove rings, necklaces, watches or other conductive metalornaments. Do not wear loose clothing. Operate it in strict accordance with safety procedures. If in doubt, please consult a certifiedelectrical technician to maintain your equipment. The UPS has the function of battery polarity detecting. If the switch of external battery is closedor battery polarity detection LED is on, that means the battery polarity is reverse connected, it isnecessary to disconnect the external battery switch and adjust the battery wiring. Keep environment clean to avoid dust or chemical contamination pollution to UPS.5.2 Periodic Preventative MaintenanceTo improve the efficiency and reliability of the UPS system, please complete the followingpreventative maintenance operations (every 3 months): Examine the input and output terminals termly to ensure the good contact. Examine fans working status termly to prevent sundries from plugging up the ventilation. If anydamage, please replace it at the time. |
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