BYD Battery-Box Pro QUICK REFERENCE GUIDE Valid for Battery-Box Pro 2.5/5.0/7.5/10.0 Target Group Skilled personnel recognized This manual and the tasks and procedures described herein are intended for use by skilled workers only. A skilled worker is defined as a trained and qualified electrician or installer who has all of the following skills and expenence: •...
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Connecting power cables Install B-Plus L 2.5 Openthedoor&removethesidedoor U3A1-50P-A RS485/RS232 RS485/RS232 RUN ERR ARM ADDR ON/OFF U3A1-50P-A U3A1-50P-A RS485/RS232 RS485/RS232 RS485/RS232 RS485/RS232 RUN ERR ARM ADDR ON/OFF ADDR ON/OFF RUN ERR ARM U3A1-50P-A RS485/RS232 RS485/RS232 ADDR ON/OFF RUN ERR ARM U3A1-50P-A U3A1-50P-A RS485/RS232 RS485/RS232 ADDR ON/OFF RUN ERR ARM RS485/RS232 RS485/RS232...
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Check Is the power cables connection correct? Is the communication cable connected correctly? Has the battery's address been set correctly? Is the battery reliably grounded? Is the inverter set correctly? Are the other connections and setting correct? How to start and power off the system Start ON/OFF Press “ON/OFF” to start the battery Thebattery'sLEDflashes,andafter4secondstheSOCLEDgreenlightandtherungreenlight,thebatteryisstartednormally. According to inverter manual, start inverter correctly Turnoffallloadsbeforestartingtheinverter. Turn on the load and power in Input/outputneedstomeetbatteryandinverterratings. Ratingscanbefoundinspecificationsorusermanuals. Power off Close the power of loads and input. Close the inverter according to inverter manual ON/OFF Press the on / off button for 4.5 seconds to close the battery Shutdownallbatteries. Warning: incorrect ordering can cause the system can’t work normally or even to be damaged! If the system does not work, please turn off the battery before you leave to avoid damage caused by the battery vent. LED Indications RS485 RS485 LEDoff ADDR ERR ALM LEDblink ON/OFF LEDilluminated description Statu Reason Disposal method ERR ALM allLEDwasoff Batteryoff allLEDwasblink...
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