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6.5 DC input side electrical connection
Danger！
When carrying out connection between PV array and inverter, the PV array
should be covered with opaque materials and the DC-SWITCH should be
disconnected, otherwise, the PV array may generate dangerous voltage, cause
casualty. The Non-professionals do not make the connection operation.
Warning！
Before connecting PV array to the inverter, ensure the earth impedance between
PV array and ground is not less than 1Mohm.
Note！
The phase sequence between AC pump and inverter must be same, otherwise, it
shall lead to less output or without water. Whether Phase sequence is
corresponding or not should be tested when the pump system trial run for the first
time.
For single phase pump, there is no sequence required after start capacitors are
moved out.
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