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

Task: Program
Structure: Closed-Loop
Mathematical Model: Linear
Signal: Continuous
Transport Package: Paper Carton
Specification: CE
Customization:

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Basic Info.

Model NO.
L931-S
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

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

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