3
Fig. 2
2) Multiple batteries in series connection(Refer to Fig. 3):
All batteries must be equal in voltage and
amp hour capacity. The sum of their voltages must be equal to the nominal DC Voltage of the unit.
Fig 3
3) Multiple batteries in parallel connection(Refer to Fig. 4):
Each battery's voltage must be equal to the
Nominal DC Voltage of the unit.
Fig 4
Step 6
- Make sure to connect the polarity of battery side and the unit correctly.
Positive pole (Red) of battery to the positive terminal (+) of the unit.
Negative pole (Black) of battery to the negative terminal (-) of the unit.
Step 7
- Put the covers back to the external battery terminals.
Step 8
- Take the DC breaker on.
5. Operation
Power On/Off
Once the inverter has been properly installed, press the power switch to turn on the unit. The unit will work
automatically in line mode or inverter mode according to input utility power's status. When press the power
switch again, the unit will be turned off.
LED Indicators & Audible Alarms
There are three indicators (Green/Green/Red) in the front panel of the unit.
LED Indicator
Messages
Green
Solid On
Output is available in bypass mode
Flashing
Output is powered by battery in inverter mode
Green
Solid On
Battery is fully charged
Flashing
Battery is charging now
Red
Solid On
Fault mode
Flashing
battery low or overload warning
Buzzer Audible Alarm
Messages
Inverter Mode
(Low-battery Voltage)
Buzzing every 1 seconds
110% overload warning
Buzzing every 0.5 second
Overcharge
Buzzing continuously
Fault mode
Buzzing continuously for 0.5 hour, unit shutdown (BAT-MODE)
Buzzing continuously(Line mode)
Table 1
Model
Nominal Battery DC Voltage
750/
1200
12 VDC
2400
24 VDC
