4
CAUTION:
Batteries can present a risk of electrical shock or burnt from high short-circuit current. Observe proper precautions.
Servicing should be performed by qualified service personnel knowledgeable of batteries and required
precautions. Keep unauthorized personnel away from batteries.
Proper disposal of batteries is required. Refer to your local codes for disposal requirements.
Never dispose of batteries in a fire. Batteries may explode when exposed to flame.
Following figure shows the basic internal circuit configuration of the UPS
2.1 Description of Commonly Used Symbols
Some or all of the following Notations may be used in this manual and may appear in your application process.
Therefore, all users should be familiar with them and understand their explanations.
Table1. Description of Commonly Used Symbols
Symbol Description
Alert you to pay special attention
Caution of high voltage
Alternating current source (AC)
Direct current source(DC)
Protective ground
Recycle
Keep UPS in a clear area