Application:
Control&Protect single phase Pump for Sewage Lifting / Drainage, DOL
Intelligent pump controller L922-S is an easy to use, programmable controlling & protection device for duplex booster pump.
Main Spec:
Main Features:
Rated Inpt 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 pump / standby pump automatically switch malfunctions
Standby pump participate running if required
- Present Level transmitter with 0.5-4.5V analog signal
- Easily setting the different liquid depth for sewage pump operation and observing
Dynamic liquid depth in the sump or sewage tank.
- Eliminates the float switch or liquid sensor installed in the sump or sewage tank
- Auto / Manual switch
- Protect the pump against many faults
- Dynamic LCD displaying the real liquid depth
- Dynamic LCD displaying pump running information
- Pump accumulative running time displaying
- Pump last five fault record displaying
- Pump shaft anti rust
- Present remote monitor
- Present one dry contact point
- Grade of Protection IP 54
- Visual & Audio alarm for fault prompt
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