Application: Control&Protect Single phase Pump for
pressure boosting,DOL
Intelligent pump controller L922-B is an easy to use
,programmable controlling & protection device for duplex
booster pump .
Model L922-B is specially designed for pressure booster
pumping system by adopting pressure transmitter (0.5-
4.5v),pump user can easily set the different pressure value
and observe the dynamic pressure value in the pipeline.
Duplex Pump Control Panel Model L922-B(Pressure Boosting Type)
Main Spec:
Main features:
Rated Inp t Voltage: AC 220V/50HZ,Single Phase
Rated Output Power:0.37W-2.2KW/3KW-4KW
- Double pumps control
Main pump/standby pump automatically alternate
Main pumps/standby pump automatically switch against malfunctions
Standby pump participate running if required
- Present pressure transmitter with 0.5-4.5V analog signal
- Easily setting the different pressure value and observing the dynamic pressure value
- Eliminates the pressure switch:pressure setting for two pumps;pressure setting for one pump
- 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
- Auto / Manual switch
- Pump accumulative running time displaying
- Pump last five fault record displaying
- LCD displays pump running information
- Protect the pump against many faults
- Grade of Protection IP 54
- Present remote monitor
- Present one dry contact point
- Visual & Audio alarm for fault prompt
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