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1. Safety Precautions
1.1 Service Warnings
* The UPS contains voltages what are potentially hazardous. All repairs should be performed by
qualified service person.
* The UPS has its own internal energy source (battery). The output receptacles may be alive even when
the UPS is not connected to anAC supply.
* No modification of any circuit should be attempted. Service work should only be performed after you
are thoroughly familiar with all of the following safety checks and servicing guidelines.
* Safe and continuous operation of the UPS depends partially on the care taken by users. Please
observe the following precautions:
1.Do not attempt to power the UPS from any receptacle except a 2-pole 3-wire grounded receptacle.
2.Do not place the UPS near water or in environments of excessive humidity.
3.Do not allow liquid or any foreign objects to get inside the UPS.
4.Do not plug appliances, such as hair dryers, into the UPS receptacles.
5.Do not place the UPS under direct sunshine or close to heat-emitting sources.
6.This UPS is intended for installation in a temperature controlled, indoor area free of conductive
contaminants.
1.2 Important Safety Instructions
This manual contains important safety instructions. Keep this manual handy for reference.
For continued protection against the risk of fire, replace with the same type / rating of fuses.
While testing the UPS to determine the problem, always use a DC power supply in place of the
batter.
A battery can be present a risk of electrical shock, burns from high short-circuit current, fire of
explosion from vented cases. Observe proper precautions.
When replacing batteries, use the same number and the following type batteries: sealed lead-acid
maintenance free.
Proper disposal of batteries is required. Refer to your local codes for disposal requirements.
There are special components used in this UPS what are important for safety.
These parts are identified by the international symbol "!" on the schematic diagram and on the
replacement parts list. It is essential to replace these critical parts with manufactures' specified parts
to prevent shock, fire or other hazards.
