User Manual

Make sure to always use the latest version of this service document, available at: www.bydbatterybox.com
Please proceed first with the installation steps by:
3
1. GENERAL STEPS
No.
Name
Description
1
Configuration
Check if the configuration is correct. Refer to latest “BYD Battery-Box Premium HVS &
HVM Compatible Inverter List” (V1.8 or above) available at: 
www.bydbatterybox.com
Make sure the inverter is configured correctly.
2
Only HVS or HVM
Do not mix up HVS-modules (“I”) with HVM-modules (“II”).
3
External connections
1. Communication to inverter
2. Ports for parallel connection
3. Dip-Switches
4. Ethernet-Cable for Internet (strongly recommended!)
5. DC-Ports
6. Grounding
4
Closed Connection
Area
The Connection Area must be closed in order to start the system (else the system switch
will immediately shut off!)
5
Latest Firmware
Always install / update the newest Firmware! (also use the latest App Version!)
Note: If not stated otherwise, wifi password is BYDB-Box
6
App Configuration
To complete the commissioning, the configuration of the battery via “BYD Be Connect”
App is mandatory!
7
Restart
Please perform a proper restart of the system by switching off the battery correctly (press
LED Button for 5 sec) and then follow the correct switch on procedure (see step 8)
Note: if the battery cannot be switched off completely with the LED button, lift off the BCU
to avoid further discharge and contact the service.
8
Switch on procedure
Correct switch on procedure is important for a correct operation!
1. Switch on the fuse between Inverter and Battery (if there is any)
2. Switch on the Battery-Box
3. Activate the inverter after the battery
9
Checking the correct
operation
The system runs properly if:
- Inverter displays battery SOC correctly
- System charges / discharges
Note:  If you can not complete the commissioning, then turn off the battery before you
leave the site and make sure all LEDs are off. If this is not possible, remove the BCU.
Make sure the system will be set into operation quickly.