Detailed Product Description
| Phase: | Single Phase | Pump Controlled Quantity: | One Pump |
|---|---|---|---|
| Enclosure Protection Grade: | IP54 | Install Position: | Wall Mounting |
| Displaying :: | LCD Display |
Intelligent Sewage Single Phase Water Pump Controller Auto / Manual , One Button Calibration ,With LCD Displaying
Product Brief:
L921-S Sewage Pump controller ,is a smart and intelligent three phase fully automatic pump controller with built-in water level control.
It is very useful in water and waste water applications.It comes in an ABS enclosure for weather-proof installation.it is suitable for Auto/Manual operation.
| Application | Control & protect sewage / drainage pump only |
| Model | L921-S |
| Main technical data | |
| .Start type | Direct on line |
| . Qty of controlled pump | Single pump |
| . Rated input voltage: | AC220V-240V Single phase
50HZ/ 60HZ |
| . Rated output power: | 0.37kw-2.2kw (0.5hp-3hp)
3-4kw(4-5.5hp) |
| Protection function | Over load protection Pump stalled protection Dry run protection Under voltage protection Over voltage protection Repeat start 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) |
-25℃– +55℃ 20%–90%RH, no drips concreted IP54 Wall mounting 310 x 220x 1 20mm |
Main features:
â– Automatic stops the pump in the case of water shortage, protecting it from dry running
without installing float switch or liquid probe in the well
â– Auto / Manual switch
â– Dynamic LCD displaying pump running state
â– Push Button Calibration
â– Pump Accumulative Running Time Displaying
â– Pump Last Five Fault Record Displaying
â– RS485 Communication
â– Starts and stops the pump in accordance with the different liquid level or pressure setting
Product Three Application:
