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3.6 Starting the inverter
Before turn on the inverter, please confirm:
1) Three AC wires (PE/L/N) cable correctly connected to the inverter AC side through AC circuit breaker;
2) The DC cable connected correctly to the inverter DC side through DC circuit breaker, please be attention
to the cable connected to the two string correctly and it’s polarity;
3) The unused terminals are covered.
Starting the inverter:
Step1: Close the DC and AC circuit breaker;
Step2: If the solar panels provide enough energy, the power module will work and the LCD panel will be
lit;
Step3: In case you are starting the inverter for the first time, the inverter needs to be commissioned.
Commissioning is described on page 16, chapter 4.3
Step4: Then the inverter will turn into self-check mode and the LCD panel will display the remaining time
of connect simultaneously;
Step5: After the inverter turn into normal mode, it feeds electrical energy into grid, and LCD panel will
display the generated electrical energy.
As long as the inverter works, it will automatically track the maximum power point to absorb the maximum
energy from solar. When night comes, the irradiance is not strong enough to provide energy, the inverter will
power off automatically. When the next day comes, the input voltage reaches the start value, it will start again
automatically.
4. User interface
4.1 Led and key
Figure 4-1 LED display
No.
Object
Description
1
Run
(Green LED)
On = Normal operation
Flashing = Waiting, checking or starting up
2
Fault
(Red LED)
On = Failure
Flashing = Temporary failure
3
Pushbutton
Pressing < 1 s: Next
Pressing > 2 s: Enter
Summary of Contents for NAC4K-DS
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