L922-S Sewage Pump Control Panel

• Customization: Available
• Task: Program
• Structure: Closed-Loop
• Model NO.: L922-S
• Mathematical Model: Linear
• Signal: Continuous
• Function: Automatic Control
• Certification: CE
• Transport Package: Paper Carton
• Specification: CE
• Trademark: Leading Science & Technology
• Origin: China
• HS Code: 90328990
• Production Capacity: 10000PCS/Year

Product Description

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.
 

Model	L922-S
Main technical data
.Start type	Direct on line
. Qty of controlled pump	Duplex pump
. Rated input voltage:	AC220V-240V Single phase 50HZ/ 60HZ
. Rated output power:	0.37kw-2.2kw (0.5hp-3hp) 3-4kw(4hp-5.5hp)
Protection function	Over load protection Pump stalled protection Dry run protection Under voltage protection Repeat start protection
Control characteristic	Connecting 0.5-4.5V level transmitter to replace float switch or level probe Duplex pump control .Main pump / standby pump automatically alternate .Main pump / standby pump automatically switch against malfunction .Standby pump participate running if required
Other features	LCD screen displaying dynamic real time depth & pump running status Pump shaft anti-rust Pump accumulative running time recording Pump last five faults recording displaying Presenting one dry contact point (BA port) Present RS485 port Present user remote monitor LCD screen locked function under Auto state Push button calibration
Main installation data
Working temperature Working humidity Degree of protection Install position Unit dimension (L x W x H)	-25ºC-- +55ºC 20%--90%RH, no drips concreted IP54 Wall mounting 310 x 220x 1 20mm

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 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