Sy-G Contender 1 KVA, User Manual

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4. Connect to External Battery Pack (only available for long-run models).
When connecting external battery packs, please be sure to connect polarity correctly.
Connect positive pole of battery pack to positive pole of external battery connector in
UPS and negative pole of battery pack to negative pole of external battery connector in
UPS.
Reversing the polarity will cause UPS internal fault . It’s recommended to add
one breaker between positive pole of battery pack and positive pole of external battery
connector in UPS to prevent damage to battery packs from internal fault.
The required specification of breaker: voltage ≧ 1.25 x battery voltage/set; current ≧ 50A
Please choose battery size and connected numbers according to backup time
requirement and UPS specifications. To extend battery lifecycle, it’s recommended to
use them in the temperature range of 15 ºC to 25 ºC.
Step 1: External battery connection
Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using
extension cords.
Step 2: UPS input connection
There two kinds of outputs: programmable outlets and general outlets . Please
connect non-critical devices to the programmable outlets and critical devices
to the general outlets.
During power failure, you may extend the backup time to critical devices by
setting shorter backup time for non-critical devices.
Step 3: Communication connection
Communication Ports
USB RS-232 Intelligent