Solax X3-Retro Fit, User Manual

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6.3 Battery Connection
Charging & discharging system of X3-Retro Fit series inverter is designed for
high-voltage lithium battery .
Before choosing battery, please note the maximum voltage of battery can not
exceed
500V and the rated voltage of battery can not exceed 400V , and the
battery communication should be compatible with X3-Retro Fit inverter.
Before connecting to battey, please install a nonpolarized DC breaker to make sure
inverter can be securely disconnected during maintanance.
Battery breaker
Ø
Voltage
Current[A] 32A
Model
Nominal voltage of DC breaker should be larger than maximum
voltage of battery.
Battery connection diagram
Ø
Power Connection Steps:
Ø
Step2 . Insert the stripped cable up to the stop ( negative cable for DC plug(-) and
positive cable for DC ) are live). Hold the housing on the screw
connection.
Step3 . Press down spring until it clicks audibly into place.(it must be possible to
see the fine wire strands in the chamber)
Step1. Choose the 9 AWG wire and strip the cable to 15mm.
Communication interface bewteen inverter and battery is CAN with a RJ45
connector.
BMS PIN Definition
Ø
Note
！
The battery communication can only work when the battery BMS is
compatible with the inverter.
Step4 . Tighten the screw connection(tighten torque:2.0Nm)
Electrical Connection Electrical Connection
Step5 . Plug the BAT conntector into the corresponding BAT connector on inverter.
28
29
high-voltage lithium battery .
+
- CAN
Nonpolarized
DC breaker
Power connection
Communication connection
BMS_CANH GND BMS_485A BMS_485B GND X X BMS_CANL
Definition
2 3 4 5 6 7 8 1 PIN
1
8
DC plug housing(-)
DC socket h)
screw connection
screw connection
spring
chamber
wire strands
Note: BAT port!
Note: The positive line and negative line are not allowed to access anti-Line.
Step2 .
Step3 . Step 4 .
Step5 .
X3-Fit-8.0E X3-Fit-8.0C X3-Fit-10.0E X3-Fit-10.0C
Note: When working with Pylontech batteries, It is recommended the number of battery module
(H48050-15S) is 2-7 and the number of battery manager system (SC0500A-100S) is 1.