BYD B-BOX 2.5 User manual

B-Box Professional installation guidance
Installation Guidance
B-Box Pro2.5~10.0
Rev 2.1_Jul.2017
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B-Box Professional installation guidance
Content
Safety ........................................................................................................................................................................................................ 4
1 Product Overview ................................................................................................................................................................................ 5
2 Cabinet terminal introduction ............................................................................................................................................................ 6
3 Cable outlet of cabinet ......................................................................................................................................................................... 7
4 B-Plus2.5 interface and terminal introduction ................................................................................................................................. 8
5 Preparations ........................................................................................................................................................................................ 10
5.1 Installation notice ............................................................................................................................................................................................................ 10
5.2 Package information and system configuration list .................................................................................................................................................... 11
5.4 Installation Tools ............................................................................................................................................................................................................. 13
5.5 Personal protective equipment ....................................................................................................................................................................................... 13
6 Installation .......................................................................................................................................................................................... 14
6.1 Opening the package ....................................................................................................................................................................................................... 14
6.2 Disassembling the pallet & anchor bolt installation ................................................................................................................................................... 15
6.3 Battery installation .......................................................................................................................................................................................................... 16
6.4 Connection of cables ....................................................................................................................................................................................................... 17
7 Battery address set up ....................................................................................................................................................................... 18
7.1 “ADDR” switch introduction ........................................................................................................................................................................................ 18
7.2 Battery address setting list (from 1~32 batteries): ...................................................................................................................................................... 19
8 Connection to inverter ....................................................................................................................................................................... 20
8.1 CAN cable connection .................................................................................................................................................................................................... 20
8.2 Power cable connection .................................................................................................................................................................................................. 21
9 Starting system ................................................................................................................................................................................... 22
9.1 System activating procedures when B-Box connect to SMA Sunny Island ........................................................................................................... 22
9.2 System activating procedures when B-Box connects to GOODWE inverter ......................................................................................................... 24
9.3 System activating procedures when B-Box connects to Victron inverter ............................................................................................................... 26
9.4 System activating procedures when B-Box connects to Solax inverter .................................................................................................................. 28
10 Stopping system ................................................................................................................................................................................ 30
Appendix 1 ............................................................................................................................................................................................. 31
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Appendix 2 ............................................................................................................................................................................................. 38
Installation Video Website: http://www.byd.com/energy/b-box-25.htm
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B-Box Professional installation guidance
Safety
CAUTION:
Li-ion battery (energy storage unit) inside. When assembling the system, do not intentionally make a short connection between the positive (+) and negative (-)
terminals of the battery box with a metallic object.
All works on the B-Box and electrical connections must be carried 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 abuse.
The following safety precautions and the warning messages described in this section must be observed. If any of the following precautions are not fully
understood, or if you have any questions, contact customer service for guidance. The Safety Section may not include all regulations for your region; personnel
working with B-Boxes must review applicable federal, state and local regulations as well as the industry standards regarding this product.
Installation personnel cannot wear watches, etc., to avoid short circuit and accidental damage.
Ensure reliable grounding. Do not reverse the front panel.
CAUTION:
Due to the heavy weight of BYD B-Box 2.5~10.0, please use strong packaging and safety protection equipment during transportation, to ensure safety and
avoid accidental damage.
When increase battery, power off the battery and other power input first.
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B-Box Professional installation guidance
1 Product Overview
BYD battery box products B-Box Pro 2.5~10.0 as the energy storage parts can be used in off-grid & on-grid energy storage system.
Overview of B-BOX Internal view of B-BOX
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B-Box Professional installation guidance
2 Cabinet terminal introduction
① ⑤ ③ ④ ⑥ ②
⑧ ⑨ ⑩
Terminal list
No.
Interface
Mark
Function
 B+ / Connect to battery in cabinet, each terminal can connect 1~2 battery
 B- / Connect to battery in cabinet

P+
/
Connect to inverter

P-
/
Connect to inverter

P+
/
Connect to another B-BOX or Combiner box

P-
/
Connect to another B-BOX or Combiner box

Grounded
Connect the grounded cable from battery.

CAN port
CAN
Connect to inverter CAN port.
RS485
Update and maintenance

Dry contact
Dry contact application, output alarm info.
 Run led Run Indicate the Plus is running status
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B-Box Professional installation guidance
3 Cable outlet of cabinet
Compare list
No.
Interface
Mark
Function

CAN
CAN
CAN communication cable

B+
B+
Positive cable from another B-BOX

B+
B+
Positive cable from inverter

B-
B-
Negative cable from inverter

B-
B-
Negative cable from another B-BOX

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B-Box Professional installation guidance
4 B-Plus2.5 interface and terminal introduction
P-:Negative terminal
P+:Positive terminal
GND:Grounded terminal
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B-Box Professional installation guidance
Table 1 Display and communicate interface
No.
Interface
Mark
Function

SOC LED
SOC
Indicates State of capacity of battery
 RUN LED RUN Indicates the B-Plus is running status

ERR LED
ERR ADDR
Indicates error status

ALM LED
Alarm
Indicates alarm status

RJ45 terminal
RS485
Communication ports

Address
ADDR
When parallel connection, this is for setting address.

Alarm relay
1.2.3.4
Unused

Test terminal
B- B+
Measures battery voltage when testing.
 ON/OFF ON/OFF Activating of battery when
no external powers add on
battery.
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B-Box Professional installation guidance
5 Preparations
5.1 Installation notice
a) Battery installation location should be away from heat sources and sparks should be avoided. The safety distance should be more than 0.5m.
b) Battery connection cables should be as short as possible, to prevent excessive line pressure drop.
c) Batteries with different capacity, different P/N or different manufacturers are not allowed for connection.
d) Before conducting the battery, the battery positive and negative poles need to be carefully checked as well to ensure correct installation.
e) The mounting floor should be flat.
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B-Box Professional installation guidance
5.2 Package information and system configuration list
The cabinet and battery are packaged separately with cartons, the components are supplied with the cabinet or battery package. Before installation, installers
should read the system configuration list.
No. Item Description Qty Purpose Picture
1 Anchor bolt 4 To allow distance from cabinet to ground.
2 User Manual 1
System information, operating instructions
and warranty items.
\
3 Installation Manual 1 System installation guidance \
No. Item Description Qty Purpose Picture
1 Positive cable 1 Battery P+ connection
2 Negative cable 1 Battery P- connection
3 GND 1 Connection of battery grounded terminal
4
Communication
cable
1 Battery RS485 port connection
向上 易碎物品 堆码层数极限
怕雨
9
LITHIUM ION BATTERIES
UN3480
4G/Y50/S/16
CN/XXXXXX PI:XXX
n
u
9
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B-Box Professional installation guidance
5.3 Configuration list
Type B-BOX 2.5 B-BOX 5.0 B-BOX 7.5 B-BOX 10.0
B-Box cabinet 1 1 1 1
B-Plus2.5 1 2 3 4
User manual 1 1 1 1
Positive cable 1 2 3 4
Negative cable 1 2 3 4
Communicate cable 1 2 3 4
Grounded cable 1 2 3 4
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B-Box Professional installation guidance
5.4 Installation Tools
Cross screwdriver
M3~M10
Flat tip screwdriver
M3~M6
Sockets spanner
Diagonal cutters Adjustable wrench Knife
5.5 Personal protective equipment
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B-Box Professional installation guidance
6 Installation
6.1 Opening the package
Tools: Knife
向上 易碎物品 堆码层数极限
怕雨
9
LITHIUM ION BATTERIES
UN3480
4G/Y50/S/16
CN/XXXXXX PI:XXX
n
u
9
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B-Box Professional installation guidance
6.2 Disassembling the pallet & anchor bolt installation
Tools: Adjustable spanner fixed torque: 10±1 Nm
Lay down the cabinet, put some
protections on the ground to avoid
sratches.
Take away the pallet and four
screws that installed on the root of
the pallet.
Install the 4pcs anchor bolt into the
four hole in bottom of cabinet.
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B-Box Professional installation guidance
6.3 Battery installation
Tools: Cross screwdriver
Move the cabinet to the installation
place, prepare to install battery.
Open the door, take away the screws of
the battery storey and front panel.
Push the battery into battery storey
from the bottom, one cabinet can
install maximum 4pcs batteries
Fix all batteries with screws.
Finish battery installation.
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B-Box Professional installation guidance
6.4 Connection of cables
Tools: Cross screwdriver
Remove the left side panel.
Install the cables, install the positive cable to B+
DC BUS, install the negative to B- DC BUS.
Tie the cable tight and pass the cables through
the holes next to the batteries.
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B-Box Professional installation guidance
7 Battery address set up
7.1 “ADDR” switch introduction
Function: For communication between battery and BMU. BMU will communicate with external equipment by using CAN communication.
Each DIP switch definition:
There are 6 bit switches, keep the switch on down side means”0”, turn up the switch to “ON” means “1”.
Address: 000000 Address:100000
For example: when two battery in using, “ADDR” setting:
No.1 battery address: 100000 No.2 battery address: 010000
For address setting, please refer to the configuration list in next page.
Note: Make sure of the highest address of B-Plus2.5 connect to BMU.
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B-Box Professional installation guidance
7.2 Battery address setting list (from 1~32 batteries):
Battery No. Address Battery 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
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B-Box Professional installation guidance
8 Connection to inverter
8.1 CAN cable connection
RJ45 PIN define
B-BOX SMA GOODWE SOLAX VICTRON
CAN H
4
4
4
1
7
CAN L 5 5 5 2 8
When installers attempt “CAN” ports connections between B-Box and inverter, please refer to below drawing.
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