Liebert NXL 사용자 설명서

This manual contains important instructions that should be followed during installation of your Lie-

bert NXL

™

 Input/Output Cabinet. Read this manual thoroughly, paying special attention to the sec-

tions that apply to your installation, before working with the UPS. Retain this manual for use by 

installing personnel.

Risk of electrical shock. Can cause personal injury or death.
Check for voltage with both AC and DC voltmeters before working within the cabinet. Check 

for voltage with both AC and DC voltmeters before making contact.
Only properly trained and qualified personnel wearing appropriate safety headgear, gloves, 

shoes and glasses should be involved in installing the UPS or preparing the UPS for 

installation. When performing maintenance with any part of the equipment under power, 

service personnel and test equipment should be standing on rubber mats.
In case of fire involving electrical equipment, use only carbon dioxide fire extinguishers or 

those approved for use in fighting electrical fires.
Extreme caution is required when performing installation.
Special safety precautions are required for procedures involving handling, installation of the 

UPS system. Observe all safety precautions in this manual before handling or installing the 

cabinet. Observe all precautions in the Operation and Maintenance Manual, SL-25425, before 

as well as during performance of all maintenance procedures. Observe all DC safety 

precautions before working on or near the DC system.

Risk of heavy unit falling over. Improper handling can cause equipment damage, injury or 

death.
Exercise extreme care when handling the cabinet to avoid equipment damage or injury to 

personnel. 
Locate center of gravity symbols and determine unit weight before handling each cabinet. 

Test lift and balance the cabinets before transporting. Maintain minimum tilt from vertical at 

all times.
Slots at the base of the modules cabinets are intended for forklift use. Base slots will support 

the unit only if the forks are completely beneath the unit.
Read all of the following instructions before attempting to move, lift, remove packaging from 

or preparing unit for installation.

Risk of electrical shock and fire. Can cause equipment damage, personal injury or death.
The area around the cabinet should be kept free of puddles of water, excess moisture and 

debris.
Only test equipment designed for troubleshooting should be used. This is particularly true for 

oscilloscopes. Always check with an AC and DC voltmeter to ensure safety before making 

contact or using tools. Even when the power is turned Off, dangerously high potential electric 

charges may exist at the DC connections.
All wiring must be installed by a properly trained and qualified electrician. All power and 

control wiring must comply with all applicable national, state and local codes.
One person should never work alone, even if all power is disconnected from the equipment. A 

second person should be standing by to assist and to summon help in case of an accident.