B4850 ESS Unit User Manual
19
4 Use, maintenance and troubleshooting
4.1 Battery system usage and operation instructions
After completing the electrical installation, follow these steps to start the battery system.
1
Refer to the description of the DIP switch of 2.3.1 to prepare the battery module
before starting up, then press the ON/OFF button to the ON position, next press
and hold the SW button for 3 seconds.
After the indicator self-test, the RUN indicator will light and the SOC indicator will
be on (100% SOC status in the Figure 4-1).
Figure 4-1
Caution:
After pressing the power button, if the battery status indicator on the front panel
continues to be red, please refer to the "4.2 Alarm description and processing ". If
the failure cannot be eliminated, please contact the dealer timely.
2
Use a voltmeter to measure whether the voltage of the circuit breaker battery
access terminal is higher than 42V, and check whether the voltage polarity is
consistent with the inverter input polarity. If the circuit breaker battery input
terminal has a voltage output and is greater than 42V, then the batterybegun to
work normally.
3
After confirming that the battery output voltage and polarity are correct, turn on
the inverter, close the circuit breaker.
4
Check if the indicator of the inverter and battery connection (communication
indicator and battery access status indicator) is normal. If it is normal, successfully
complete the connection between the battery and the inverter. If the indicator
light is abnormal, please refer to the inverter manual for the cause or contact the
dealer.
5
Battery modules can be connected in parallel up to 40 units.
SW
SOC
C
ALM
CAN/485
IN
OUT
DRY CONTACT
RUN
