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1. Safety – CAUTION
• This UPS utilizes voltages that may be hazardous. Do not attempt to disassemble the unit. The
unit contains no user serviceable parts. Only factory service personnel may perform repairs.
• Internal battery voltage is 24VDC sealed lead-acid, 6 cells battery two pcs for Vista-1200E and
12VDC sealed lead-acid, 6 cells one pc for vista-650E/ vista-850E.
• Connection to any other type of receptacle other than a two-pole, three-wire grounded receptacle
may result in shock hazard as well as it may violate local electrical codes.
• In the event of an emergency, press the OFF button and disconnect the power cord from the AC
power supply to properly disable the UPS.
• Do not allow liquids or any foreign object to enter the UPS. Do not place beverages or any other
liquid-containing vessels on or near the unit.
• This unit intended for installation in a controlled environment (temperature controlled, indoor area
free of conductive contaminants). Avoid installing the UPS in locations where there is standing or
running water, or excessive humidity.
• Do not plug the UPS input into its own output.
• Do not attach a power strip or surge suppressor to the UPS.
• Do not attach non-computer-related items, such as medical equipment, life-support equipment,
microwave ovens, or vacuum cleaners to UPS.
• T o reduce the risk of overheating the UPS, do not cover the UPS' cooling vents and avoid
exposing the unit to direct sunlight or installing the unit near heat emitting appliances such as space
heaters or furnaces.
• Unplug the UPS prior to cleaning and do not use liquid or spray detergent.
• Do not dispose of batteries in a fire as they may explode.
• Do not open or mutilate the battery or batteries. Released electrolyte is harmful to the skin and
eyes. It may be toxic.
• A battery can present a risk of electrical shock and high short circuit current. The following
precautions should be observed when working on batteries:
1) Remove watches, rings, or other metal objects from the hands.
2) Use tools with insulated handles.
3) Wear rubber gloves and boots.
4) Do not lay tools or metal parts on top of batteries.
5) Disconnect charging source prior to connecting or disconnecting batteries terminals.
• Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries
and the required precautions. Keep unauthorized personnel away from batteries.
• When replacing batteries, replace with the same number and type of sealed lead-acid battery. The
maximum ambient temperature rating is 40°C.
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