One Push Button Calibration Pump Controller

Task: Program
Structure: Closed-Loop
Mathematical Model: Linear
Signal: Continuous
Certification: ISO: 9001, CE
Start Type: Direct on Line
Customization:

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Basic Info.

Model NO.
L931-B
Protection Grade
IP54
Control Qty
One Pump
Type of Package
Paper Carton
Type of LCD Screen
Segment Code
Transport Package
Paper Carton
Specification
CE
Trademark
Leading Science & Technology
Origin
China
HS Code
90328990
Production Capacity
5000PCS/Year

Product Description

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

Main features:
-One pump control
-Present pressure transmitter with 0.5-4.5v analog signal
-Easily setting the different pressure value and observing the dynamic pressure value
-Eliminates the pressure switch,pressure setting for one pump
-Automatically stop the pump in the case of water shortage,protecting it from drying running without installing the float switch or liquid probe in the well .
-Auto / Manual switch
-Pump accumulative running time displaying.
-Pump last five fault record displaying.
-LCD displays pump running information.
-Protect the pump against many faults
-Grade of Protection IP 54
-Present remote monitor
-Present one dry contact point
-Visual & Audio alarm for fault prompt
General detail:
Application Control & protect booster pump only
Model L931-B
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 pressure transmitter to replace pressure switch
Pump start and stop according to different pressure value setting
 
 
 
Other features
LCD screen displaying dynamic real time pressure value
Pump start and stop pressure value can be easily setting on the LCD screen
Pump accumulative running time recording
Pump last five faults record 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 120mm

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