- Model NO.: L922
- Structure: Closed-Loop
- Signal: Continuous
- Certification: CE
- Customized: Non-Customized
- Degree of Protection: IP54
- Size: 30.2*24*12
- Specification: CE
- HS Code: 90328990
- Task: Program
- Mathematical Model: Linear
- Function: Automatic Control
- Condition: New
- Material: Plastic
- Weight: 3.15kgs
- Trademark: Leading Science & Technology
- Origin: China
Application: Control & Protect single phase pump, DOL
Duplex Pump Control Panel Model L922
Model L922 is useful in all cases we need to control and protect duplex pump managing its turn-on and turn-off by different electric installations.
Our special design makes it a very reliable and sensitive protection against pump dry running without installation of any probe/sensor in the deep well.
Rated Input Voltage: AC 220V/50HZ, Single Phase
Rated Output Power: 0.37-2.2KW/3-4KW
-Double pumps control
Main pump/standby pump automatically alternate
Main pumps/standby pump automatically switch against malfunctions
Standby pump participate running if required.
-Starts and stops the pump in accordance with the different liquid level or pressure setting.
-Push Button Calibration
-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
-Pump accumulative running time displaying
-Pump last five fault record displaying
-LCD displays pump running information
-Protect the pump against Over /Under Voltage; Over Current; Pump Shaft Rust; Rapid Cycle etc.
-Grade of Protection IP 54
-Visual & Audio alarm for fault prompt
-Present remote monitor
-Present one dry contacting point
-Visual & Audio alarm for fault prompt.