Jntech JNP22KH-V5, User Manual

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Figure 7-2 Inverter start to operation inverter
Note
！
●
If there is no water output , or flow rate is less than normal situation, even
there has abnormal sound of pump, possible reasons are shown below:
a) Pump motor reversal caused by wrong phase sequence connection. Stop
inverter, enter into “M-Mode” setting interface, please refer to“
8.3.2.2 DSP
parameter setting
”;
b) Output power of PV array is not enough.
●
If there occurs abnormal during the first commission, please refer to “ 9.1
Troubleshooting ” for trouble shooting.
●
If it occurs output frequency is very low, and output current is very big at the
same time, please refer to “
7.4.2.2 Motor parameters’ setting by manual ”.