Basic operation of the Frequency Converter for JL350-2J
(Release Time:2016-12-23)
The LED display of frequency converter lights when the power supply switches
on. But the pump is in stopping status.Run
/stop: Press [Run/Stop] key, the [Run] indicator lights and the pump runs.
Press the [Run/Stop] key again the pump stops.Speed Adjustment: Press Speed
Adjustment/ Data Input Keys 2 to change the speed of the pump. The LED displays
the value of the frequency. The actual speed (rpm) is about 5.8 times of
frequency value.
Direction: Press the [MODE/RESET] key continuously till the LED displays
[Frd] when the [FWD] indicator which is in the left side of LED screen lights.
Press the Speed Adjustment/ Data Input Keys 2, the LED displays [REV]. The [REV]
indicator lights at the same time and the motor rotates reversely. When the
[REV] indicator which is in the left side of the LED screen lights, switch to
[FWD] mode in the same way.
Display Convert: Press the [MODE/RESET] key continuously can show the
following parameters alternatively: F: setting the frequency; H: the actual
running frequency; A: the current of the motor.
Frequency Converter Troubleshooting: Frequency converter has many warning and
protective functions. The motor will stop automatically when the pump is in
abnormal status. Eliminate the abnormal status and press the [MODE/RESET] key
the pump can work continuously. The letters or the symbols on the LED display
show the information of abnormal status. For details please see the <SE
Series Frequency Converter Operating Manual
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