Duplex Pump Control Panel L922-S(Sewage Lifting / Drainage Type)
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.
Model L922-S is specially designed for sewage pumping system, by adopting 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.
AC220V-240V Single phase 50HZ/60HZ
0.37KW-2.2KW(0.5hp-3hp)
3-4KW(4-5.5hp)
| MAX Motor Output at 220V 1Ph |
Relay Max Range(A) |
| HP |
KW |
18A |
| 0.5 |
0.37 |
| 1.0 |
0.75 |
| 1.5 |
1.1 |
| 2.0 |
1.5 |
| 3.0 |
2.2 |
Protection function
Over load protection
Pump stalled protection
Dry run protection with sensor free
Under voltage protection
Over voltage protection
Repeat start protection
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
Audited Supplier 
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