►
Strictly follow these steps:
❖
Battery switch is OFF, connect batteries in series and ensure proper
battery voltage.
❖
Battery cables must be connected to the battery terminal first (Connecting
to the UPS terminal first has hazard of electric shock), red wire is
connected to BAT+, black wire to BAT-.
❖
Use proper battery cables to connect the UPS and batteries. The DC
breaker between UPS and batteries is required.
►
Not to connect UPS to any loads first, close the battery breaker and provide
mains power to the UPS (close the UPS input breaker), UPS will charge the
battery group.
To Battery input terminal of UPS
Positive
Negative
battery breaker
16/18/20
10-30 k long time model UPS battery connection
3.3 Parallel System installation
Parallel function is optional. Parallel kits include parallel card and parallel cables.
The maximum parallel number is 6 units. Parallel UPS units must separately equip
the battery group.
3.3.1 Parallel installation requirements
• Perform the input and output wiring of each UPS according to the wiring
requirements of single UPS.
• The mains and bypass input cables of each UPS are connected respectively to
~10~