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.