Product Description
Application:
Control & Protect single phase pump, DOL
Model L922 is useful in all cases we need to control and
Protect duplex pump managing its turn-on and turn-off by
Different electric installations.
Our special design makes it a very reliable and sensitive
Protection against pump dry running without installation of
Any probe/sensor in the deep well.
Main Spec:
Rated Inupt Voltage: AC 220V/50HZ, Single Phase
Rated Output Power: 0.37-2.2KW/3-4KW
Main Features:
Double pumps control
Main pump/standby pump automatically alternate
Main pumps/standby pump automatically switch against malfunctions
Standby pump participate running if required.
- Auto/Manual switch
- Starts and stops the pump in accordance with the different liquid level or pressure setting.
- Push Button Calibration
- Automatically stop the pump in the case of water shortage, protecting it from drying running
Without installing the float switch or liquid probe in the well
- Pump accumulative running time displaying
- Pump last five fault record displaying
- LCD displays pump running information
- Protect the pump against Over /Under Voltage; Over Current; Pump Shaft Rust; Rapid Cycle etc.
- Grade of Protection IP 54
- Visual & Audio alarm for fault prompt
- Present remote monitor
- Present one dry contacting point
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