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FAQs Library
Q
Does GD300-01A have 500V and 660V voltage levels?
2021-01-19
A

According to customer needs, models with 500V and 660V voltage levels can be provided.

Q
Which operation panel can be used to control and set the parameters of GD300-21 integrated machine?
2021-01-19
A

Usually a HMI with special air compressor program is needed. The HMI operation is intuitive and simple, and the air compressor can be debugged without instructions. In addition, in order to meet the operating habits of different customers, an LCD keyboard can also be selected to realize all parameter settings and debugging of the integrated machine.

Q
How does GD300-16 hibernation work?
2021-01-19
A

Hibernation is a function for saving energy, when the pressure/flow requirement is very little for a long time, VFD enter to hibernation status. There are 2 kinds of hibernation, according to the running frequency or deviation, the hibernation internal logic is as attachment.

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Q
How should we do when motor cable or well depth is very long?
2020-12-24
A

If motor cable or well depth is >50 meters, we recommended that you please buy AC output reactor,for reducing over-current issue and reducing high voltage shock.

Q
Does solar pumping controller GD100-PV can drive other kind of motor? Such as compressor.
2020-12-16
A

Yes, but solar power is unstable, may not keep runs 50Hz all the time, so if your speed requirment is lower is acceptable.

Q
When solar pumping controller GD100-PV can't runs to 50Hz, how should we do?
2020-12-08
A

1.Insure solar input total Vmp>=550VDC.
2.When weak light or cloudy is normal.
3.If configuration is no issue,and frequence keep under 50Hz,please contact INVT company.

Q
What kind of water level sensor of solar pumping controller GD100-PV used?
2020-12-01
A

Recommanded use float switch sensor,don't support analog sensor.

Q
How to set lower speed limit in solar pumping controller?
2020-11-26
A

Only need to set P15.05 lower frequence of PI output,no need to set P00.05.

Q
How to connect the single phase pump with GD100-PV?
2020-11-10
A

1.General connection:Pump LN connect to inverter UW.
2.Three wires connection:Remove capacitor,then connect with UVW cable,ensure resistance of UW is minimum,resistance of UV is maximum.Short connect S4&COM terminal.

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