23
NOTE
When the inverter is operating, the control parameter can
only be viewed. To modify them, the inverter must rst be
stopped.
4.7 Function Parameter Description
Pr.0
Parameter Set
Mode
0: Parameter can be read and edited. Other
parameter values cannot be modified until
this parameter is modified to 0.
1: All parameters can only be read.
2. Restores user parameters (parameters of this
table) to factory values.
4. Self diagnosis operation for single phase
pumps wired without capacitors
Number
Name
Description
Factory
Set
Value
Scope
0-4
1
Pr.1
Maximum Power
Point Voltage Ratio
0.00-1
The ratio of MPP voltage (Vmp) to open circuit
voltage (Voc) of PV array. Unit: 0.01
0.85
Pr.2
Open Circuit
Voltage
Open circuit voltage (Voc) of the PV array.
Unit: VDC
Associated with the startup PV voltage
1-1,000
According
to Inverter
Pr.3
Rated Voltage
1-1,000
Rated voltage of the motor load
Associated with the output V/F curve
220V
380V
Pr.4
Rated Current
0.1-300
Rated AC output current. Associated with
protection thresholds such as overload and over
current
Pr.5
Rated Power
Rated power of the pump motor. Unit:kW
Associated with the power value for PV/AC power
supply switching
According
to inverter
rating
Pr.6
AC+PV
Power Supply mode
0-1
0: AC+PV hybrid mode, motor keeps running at
rated frequency when there is AC power input.
1: Solar priority power supply mode.
1
0.1-300
According
to inverter
rating
Pr.7
Frequency
Adjustment
Mode
0-5
0: Panel setting, the frequency is determined by
Pr.12.
1: MPPT way, automatically adjust the frequency
according to the light condition.
2-5: Reserved
1
Pr.8
Running Control
Mode
0-6
0: Panel control mode.
1: Full automatic operation.
2: Terminal control mode.
3-6: Reserved.
Note: Under different running modes,
the panel stop button is always valid.
Once it is pressed the panel is shut
down. To enable press Run button.
1
Pr.9
Hour
Hour required to be corrected.
0-23 0
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