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SUNSYNK MAX | User Manual
Please do not connect the PV array positive and negative pole to the ground. This
can seriously damage the inverter.
Before connecting the inverter, please make sure the PV array open-circuit voltage
is within the maximum limit of the inverter.
4.14. PV Connection
Before connecting to PV panels, install a separate DC circuit breaker between the inverter and
PV modules. In addition, we request users install PV junction box with surge protection to pro-
tect the system from lightning strike.
To avoid any malfunction, do not connect any PV modules with possible current leakage to the
inverter. For example, grounded PV modules will cause current leakage to the inverter.
4.14.1. PV Module Selection
When selecting the PV modules, you should consider the following parameters:
1. Open-Circuit Voltage (Voc) of PV modules does not exceed the maximum PV array Voc.
2. Open-Circuit Voltage (Voc) of PV modules should be higher than minimum start voltage of
the inverter.
4.14.2. PV Module Wiring
1. Switch the Grid Supply Main Switch (AC) OFF.
2. Switch the DC isolator OFF.
3. Assemble PV input connector to the inverter.
The correct steps in assembling the DC connector are explained below:
1. Strip 7mm of the plastic coating off the DC
wire and disassemble the connector cap nut.
Model Wire Size Cable (mm
2
)
16kW 10AWG 6
To reduce risk of injury, please use the proper recommended cable size as below:
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