Special Pump Control Panel L931-S (Sewage Lifting / Drainage Type)

• Customization: Available
• Task: Program
• Structure: Closed-Loop
• Model NO.: L931-S
• Mathematical Model: Linear
• Signal: Continuous
• Transport Package: Paper Carton
• Specification: CE
• Trademark: Leading Science & Technology
• Origin: China
• HS Code: 90328990
• Production Capacity: 5000PCS/Year

Product Description

Single Pump Control Panel L931-S(Sewage Lifting / Drainage Type)

Application: Control&Protect three phase Pump for Sewage Lifting / Drainage, DOL

Intelligent pump controller L931-S is an easy to use, programmable controlling & protection device for single booster pump.

Model L931-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.


L931-S


Main Spec:
Rated Inupt Voltage: AC 380V/50HZ, Three Phase
Rated Output Power: 0.75KW-4KW / 5.5KW-11KW / 15KW


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

Model	L931-S
Main technical data
.Start type	Direct on line
. Qty of controlled pump	Single pump
. Rated input voltage:	AC380V Three phase 50HZ/ 60HZ
. Rated output power:	0. 75kw-4kw (1 hp-5. 5hp) 5. 5kw-11kw (7.5hp-15hp) 15kw(20hp)
Protection function	Over load protection Pump stalled protection Dry run protection Under voltage protection Over voltage protection Repeat start protection Phase unbalance protection Phase reversal protection Open phase protection
Control characteristic	Connecting 0.5-4.5V level transmitter to replace float switch or level probe Pump start and stop according to different depth value setting
Other features	LCD screen displaying dynamic real time depth & pump running status Pump start and stop depth value can be easily setting on the LCD screen Pump shaft anti-rust Pump accumulative running time displaying 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