3
2.2. Important Notice for Battery
•
The batteries may only be installed and commissioned by authorized technical personnels.
•
Make sure that the battery qty is proper for the unit and they are same type and capacity. Otherwise
danger of explosion and fire is within the bounds of possibility.
•
Do not dispose of batteries in a fire. The batteries may explode.
•
Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
•
In case of electrolyte in contact with skin, immediately wash the contamimated skin with water.
•
Replaced batteries must be disposed of at authorized battery waste disposal centers.
•
A battery can present risk of electric shock and high short circuit currents.
The following precautions should be observed when working on batteries;
❖
Remove rings, watches, neckleaces, bracelets and all metal objects.
❖
Only use tools with insulated handles.
❖
Wear rubbers gloves and a rubber apron when handling batteries.
❖
Do not lay tools or metal parts on top of batteries.
❖
Eye protection should be worn to prevent injury from accidental electrical arcs.
•
Before a maintenance or repair work on the UPS;
❖
Switch the input, output and battery circuit breakers (F1, F2 and F5
) to “0” position.
❖
If UPS has internal batteries; Remove and isolate
+
battery (red),
-
battery (black) and
N
battery neutral (blue) cables.
❖
If UPS has external batteries; switch the circuit breakers of the battery cabinet
to “0”
position.
❖
Determine if the battery is inadvertently grounded. If inadvertently grounded; remove
source of ground. Contact with any part of a grounded battery can result in electrical shock.
•
Battery fuses shall only be replaced with the same rating and type which came along with the UPS.
2.3. Description of the Symbols Used on the Labels Applied to the UPS
PE: PROTECTIVE EARTH
PB: PROTECTIVE BOUNDING
DANGER! HIGH VOLTAGE (BLACK/YELLOW)
This symbol points out the instructions, which may be resulted with the injury of the
operator or damage of the equipment if not obeyed.
