Safety Instructions - Mustek PowerMust 424 Startup Manual

Safety Instructions

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 12 Vdc.
Connection to any other type of receptacle other than a two-pole, three-wire
grounded receptacle may result in shock hazard as well as 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
To 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.
This pluggable type A equipment with battery already installed by the supplier is
operator installable and may be operated by laymen.
During the installation of this equipment it should be assured that the sum of the
leakage currents of the UPS and the connected loads does not exceed 3.5 mA
Attention, hazardous through electric shock. Also with disconnection of this unit
from the mains, hazardous voltage still may be accessible through supply from
battery. The battery supply should be therefore disconnected in the plus and
minus pole at the connectors of the battery when maintenance or service work
inside the UPS is necessary.
The mains socket outlet that supplies the UPS shall be installed near the UPS and
shall be easily accessible.
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