Application: Control&Protect three phase Pump for Sewage Lifting / Drainage,DOL
Intelligent pump controller L921-S is an easy to use,programmable controlling & protection device for single
booster pump .
Model L921-S is specially designed for sewage pumping system, by adoption of level transmitter (0.5-4.5V),
pump user can easily set the different liquid depth for sewage pump operation and observe the dynamic liquid depth in the sump or sewage tank.
Main Spec:
Rated Inp t Voltage: AC 220V/50HZ,Single Phase
Rated Output Power:0.37-2.2KW
Main Features:
Single pump control
- 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