Dyness DYN-B4850 Manual

Dyness battery and Growatt off grid inverter Setup
Check List:
Dyness B4850 * 4
Power cable*1 pair
Parallel cable*3 pairs
Communication cable Bat-Inv*1
Communication cable Bat-Bat*3
Growatt SPF 5000TL HVM-ES
Before start, make sure battery and inverter size match.
Follow Dyness user manual to check details, it is recommended to
use battery in 1: 2 configuration.
In our case now, 5kW inverter connects to 9.6kWh battery.
Step 1 : Cable connect in inverter
Keep both inverter and battery completely off.
Connect power cable and comm cable to inverter first.
Note: Comm cable has label on, make sure the inverter side goes
to battery side, inverter side to the inverter BMS side ,battery side
left for later on in battery connection.

Step 2 : Dial DIP switch on master
Make sure host battery DIP is 0010,slaves 0000
Step 3 : Cable connect in battery
Keep batteries off, connect power cable 、parallel cable、
communication cable Bat-Inv and comm cable Bat-Bat as above.
1. Comm cable from the host CAN IN port to the inverter CAN port
2. Comm cable from the host CAN OUT to slave1 CAN IN,slave1
CAN OUT to slave2 CAN IN….
3. Power cable should be connected diagonally ,one is connected
at the top socket and another one is at the bottom.

Step 4 : Breaker/Fuse between inverter and battery
Connect DC breaker or Fuse between inverter and battery to protect
both products.
Step 5 : Switch on all the B4850 power switch,then press the
host SW button about 3S to wake up it,all the slaves will be
woken up automatically.
Step 6: Turn on the DC breaker
Step 7: Power on the inverter

Step 10: Battery and inverter are connected!
Now inverter is started, it should show the battery voltage ,battery
and inverter are connected!
Step 11: Inverter setup
Long press ENTER to set, make sure 05 are properly set as
below:
05 LI type(Lithium)

21 Cut off SOC of the battery,20% default is OK.
Step 12: You are ready to go
Step 13: Shut Down
1 Remove all the load
2 Disconnect PV/Grid
3 Turn off DC breaker between the battery and inverter.
4 Turn off the inverter power switch,shut down the inverter
5 Long press SW button to power off the battery, then switch off all
the batteries’ Power switch