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B-BOX 12.8 installation guidance 

 

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30

 

       

 

Figure 10 communication cable connection view 

d) BMS B+ connection 

Operator only need to connect the positive cable lead from P+ DC BUS 

to “B+” terminal on BMS.   

Tools: Flat tip screwdriver, Fixed torque: 2.5±0.5kgf.cm 

As show in figure 11, find the positive cable and the B+ terminal. 

 

Figure 11 

Take off the left screw on B+ terminal by screw driver, then put the battery positive cable into the 

terminal, at last lock the screw again.   

Battery positive 

cable—Brown color

 

B+ terminal

 

Summary of Contents for B-Box 12.8

Page 1: ...B BOX 12 8 installation guidance 1 30 Installation Guidance B BOX 12 8 Version 2 0 Update 20160610 ...

Page 2: ...onfiguration list 11 5 2 1 Configuration list 11 5 2 3 Installation Tools 12 5 2 4 Part list 12 5 2 5 Personal protective equipment 13 5 3 Installation 14 5 3 1 Open the package 14 5 3 2 Disassemble the pallet 14 5 3 3 Anchor bolt installation 15 5 3 4 Battery installation 15 5 4 More cabinet installation 20 5 4 1 Communication cable connection drawing 20 5 4 3 Power cable connection between B BOX...

Page 3: ...B BOX 12 8 installation guidance 3 30 8 2 Normal alarm and solution display on BMS 28 Appendix 1 29 Appendix 2 30 ...

Page 4: ...ormation in this Guidance 2 1 About this guidance This is the installation guidance for the BYD battery box products B Box 12 8 User of this device or installer must refer to the installation guidance to installation and using correctly 2 2 Target Group This installation guidance applies only to the BYD battery box products B Box12 8 2 3 Additional Information Specification of the product can be c...

Page 5: ...arried out by qualified personnel only B Box provides a safe source of electrical energy when operated as intended and as designed Potentially hazardous circumstances such as excessive heat or electrolyte mist may occur under improper operating conditions damage misuse and or abuse The following safety precautions and the warning messages described in this section must be observed If any of the fo...

Page 6: ...s device for other than the purpose described in this guidance The substitute use of this product random change and use of components other than sold or recommended by BYD will nullify the product guarantee It also support parallel connection between B Box with maximum number 32 the total capacity can reaches to 409kWh The system is easy for installation and maintenance Figure 1 Over view of B BOX...

Page 7: ...ect to another B BOX or Combiner box CAN port CAN Connect to inverter CAN port RS485 Update sw Dry contact Dry contact application output alarm info Run led Run Indicate the B BOX running status 4 2 2 Cable outlet of cabinet Figure 4 Top through holes Table 2 Compare list of through holes No Interface Mark Function CAN CAN Pass the CAN communication cable B B Pass the positive cable from another B...

Page 8: ...y positive cable to power the BMS B B Positive terminal of BMS P P Negative terminal of BMS SOC LED SOC Indicate State of capacity of battery RUN LED RUN Indicate the Plus is running status ERR LED ERR ADDR Indicate error status Alarm LED Alarm Indicate alarm status RJ45 terminal RS232 RS485 Communication ports Address ADDR When parallel connection need setting address Reset RESET Activity battery...

Page 9: ...ltage Rated current Operation temperature range Serial Number P N No Caution Certification marks 5 Configuration list of B BOX with different inverter 5 1 B BOX configuration list with SMA sunny island 1 Phase on Grid Inverter Type B Box 12 8 Cabinet SI 3 0M 1 1 SI 4 4M 1 1 SI 6 0H 1 1 SI 8 0H 1 1 Remark Maximum B Box12 8 quantity is 32 3 Phase on Grid Inverter Type B Box 12 8 Cabinet SI 3 0M 3 1 ...

Page 10: ...hase on Grid Inverter Type B Box 12 8 Cabinet 4 6kW 1 1 1 Phase off Grid Inverter Type B Box 12 8 Cabinet 4 6kW 1 1 Remark Maximum B Box12 8 quantity is 32 6 System Installation 6 1 Installation notice a Before installation check the battery open circuit voltage b Battery installation location should be away from heat and avoid produce spark The safety distance should be above than 0 5m c Battery ...

Page 11: ...ng floor should be horizontal 6 2 Package information and system configuration list The cabinet and battery are packaged separately with cartons the components are taken along with the cabinet or battery package before installation installer should read the system configuration list B BOX Cabinet B Plus12 8 6 2 1 Configuration list Please install B BOX12 8 according to table1 Table 1 Basic configu...

Page 12: ... tools list Cross screwdriver M3 M10 Flat tip screwdriver M3 M6 Sockets spanner Diagonal cutters Adjustable wrench Knife 6 4 Part list 6 4 1 Part list of cabinet No Item Description Qty Purpose Picture 1 Anchor bolt 4 Make a distance from cabinet to ground 2 Positive cable 1 Battery P connection 3 Negative cable 4 Battery P connection ...

Page 13: ...on Manual 1 System installation guidance Remark This part list is only for one system cabinet 6 4 2 Part list of B Plus 12 8 No Item Description Qty Purpose Picture 1 Battery module 4 Installed into cabinet Remark This part list is only for one B BOX 12 8 6 5 Personal protective equipment Insulating shoes Insulating gloves ...

Page 14: ... the package Tools Knife 6 6 2 Disassemble the pallet a Lay down the cabinet in order to prevent scratches cabinets please do protection on the ground b Take away the four screws which installed on the root of the pallet c Take away the pallet Tools Adjustable Spanner ...

Page 15: ...i Using Spanner to turn the second screw to lock the anchor bolt iii Move the first screw to the cabinet bottom closely 6 6 4 Battery installation Tools Cross screwdriver Install step iv Move the cabinet to the installation place prepare to install battery v Open the door take away the part bag from the battery storey vi Disassemble the dam board from cabinet vii Pull the battery module into cabin...

Page 16: ...System cables connection Connect cables refer to below figure7 should connect from 1 10 strictly The battery can only in series connection Do not short connect reverse polarity connect take care of insulation Parts Negative cable Negative cable 1 Negative cable 2 Sampling cable Communicatio n cable BMS to BMU Dam board ...

Page 17: ...torque 20 2kgf cm b Connect the positive cable Red cable from cabinet to the P of battery refer to step 5 in figure Tools Cross screwdriver Fixed torque 20 2kgf cm c Sampling cable connection Connect the sampling cable terminal of battery and BMS which marked in figure 8 Mark Check the sampling terminal are firm installed 1 2 3 4 5 6 9 10 Figure 7 Cable connection order ...

Page 18: ...B BOX 12 8 installation guidance 18 30 Figure 8 communicate terminal of battery Figure 9 communication terminal of BMS Sampling Terminal ...

Page 19: ...e lead from P DC BUS to B terminal on BMS Tools Flat tip screwdriver Fixed torque 2 5 0 5kgf cm As show in figure 11 find the positive cable and the B terminal Figure 11 Take off the left screw on B terminal by screw driver then put the battery positive cable into the terminal at last lock the screw again Battery positive cable Brown color B terminal ...

Page 20: ...ion When user need more than one cabinet to install should repeat above operations then do parallel connections between cabinet 6 7 1 Communication cable connection drawing 6 7 2 Power cable connection between B BOX and inverter with combiner box Notice All the cables should have same length Screws ...

Page 21: ...B terminals between B BOX 2 B cable 90MM2 M10 screw 1 5M 3 Connect the B terminals between B BOX 3 Communication cable 2M 3 Connect COM IN and COM OUT between several batteries Notice 1 The cable length between 2 cabinets listed in Table 8 is just for reference installer should refer to actual cabinet distance to decide the specification of cable 2 Please add another group of cables when increase ...

Page 22: ...ress 010000 Address setting please according to the configuration list in Appendex1 7 Start system Notice Before activity the system operator should check the cable connection strictly till make sure of the cable connection is hard and check the batteries address had been setup correctly 7 1 System activity procedures when B BOX connect to SMA Sunny island i Press the all the Reset button on front...

Page 23: ... Sunny Island must not have switched itself Procedure For systems with one Sunny Island press the On button on the Sunny Island For systems with up to three Sunny Island inverters press and hold the On button on the master until an acoustic signal sounds For multicluster systems press and hold the On button on each master until an acoustic signal sounds The inverter LED on each Sunny Island invert...

Page 24: ... Item LED Status 1 Run Green 2 SOC More than one is green Slow blink is charging and Fast blink is discharging 3 ERROR OFF 4 Alarm OFF Remark Slow blink Indicator light is on and off every 1s 0 5Hz Fast blink indicator light is on and off every 0 25s 2HZ SOC status and indicate Item Status Indicate 1 Four lights are all normally on Capacity is 100 75 including 2 The last three lights are normally ...

Page 25: ...unny Island discharges the battery due to its standby consumption Tip For longer shut down periods switch off the Sunny Island i Stopping the system Procedure Press and hold the start stop button on the Sunny Island until the inverter LED is glowing orange or Press and hold the button on the Sunny Remote Control until the progress bar has run down The inverter LED on each Sunny Island is glowing o...

Page 26: ... the RESET on front panel of BMS until all the led are off iv The system stopping 8 2 Stopping the system when B BOX working with GOODWE inverter i Disconnect the load from inverter ii Disconnect the solar panel from inverter iii Disconnect the AC grid from inverter iv Stopping the BMS Press all the RESET on front panel of BMS until all the led are off v System stopping 9 Normal alarm and solution...

Page 27: ...icate cable had been connected correctly and reliability 2 Inspect DIP switch setting accoring to the Address setting table W937 XW02DcHiVolt External Warning Battery High Voltage Normal alarm and do not need to deal with W938 XW03DcLoVolt External Warning Battery Low Voltage Normal alarm and do not need to deal with W939 XW04DcHiTmp External Warning Battery High Temp Normal alarm and do not need ...

Page 28: ...usly need change battery Yellow led Alarm Yellow led on and buzzing with 4 times Protected or external connection incorrect 1 Power off the battery 2 Inspect short reverse connection of cable between P P 3 If short reverse connection is confirmed please reconnect cable correctly 4 restart battery Buzzer Buzzing for 4 times Short reverse connection 1 Power off 2 Inspect short reverse connection of ...

Page 29: ...ry No Address 1 100000 17 100010 2 010000 18 010010 3 110000 19 110010 4 001000 20 001010 5 101000 21 101010 6 011000 22 011010 7 111000 23 111010 8 000100 24 000110 9 100100 25 100110 10 010100 26 010110 11 110100 27 110110 12 001100 28 001110 13 101100 29 101110 14 011100 30 011110 15 111100 31 111110 16 000010 32 000001 ...

Page 30: ...na Enable 261 03Saisonenable Yes 262 01ProtResSOC 3 262 02BatResSOC 2 262 03BUResSOC 0 262 04PVResSOC 4 262 05MinSlfCsmpSOC 85 Charging the battery usage through system for increased self consumption without a battery backup grid Parameters Setup value 003 07Batt Typ Li Lon_Ext BMS 003 10Batt Cpynom 250 261 01SlfCsmplncEna Enable 261 03Saisonenable Yes 262 01ProtResSOC 3 262 02BatResSOC 2 262 04PV...

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