Product Specifications
| Prod Model: |
L922-B |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Degree Of Protection: |
IP54 |
| Size: |
31*22*12 |
| Weight: |
3.6kgs |
| Task: |
Program |
| Structure: |
Closed-Loop |
| Mathematical Model: |
Linear |
| Signal: |
Continuous |
| Function: |
Automatic Control |
| Certification: |
CE |
| Condition: |
New |
| Customized: |
Non-Customized |
| Material: |
Plastic |
Product Description
Duplex Pump Control Panel L922-B(Pressure Boosting Type)
Application: Control&Protect Single phase Pump for pressure boosting, DOL
Intelligent pump controller L922-B is an easy to use, programmable controlling & protection device for duplex booster pump.
Model L922-B is specially designed for pressure booster pumping system by adopting pressure transmitter (0.5-4.5v), pump user can easily set the different pressure value and observe the dynamic pressure value in the pipeline.
Main Spec:
Rated Inupt Voltage: AC 220V/50HZ, Single Phase
Rated Output Power: 0.37-2.2kw/3kw-4kw
Main features:
-Double pumps control
Main pump/standby pump automatically alternate
Main pumps/standby pump automatically switch against malfunctions
Standby pump participate running if required.
-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 two pumps; 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
Main technical characteristic
| Control characteristic | Pressure control |
| Control method | Manual/Auto |
| Pressure control characteristic | Pressure transmitter(0.5-4.5v) |
| Rated output power | 0.37-4kw |
| Rated input voltage | AC110-220V ,50HZ ,Single phase |
| Protection function | Dry run ,Over load,Transient surge,Under/Over voltage,Pump shaft rust protection ,Pump stalled ,Short circuit ,Repeated start . |
| Degree of protection | IP 54 |
| Physics Interface | RS 485 |
Hunan Leading Science & Technology Development Co., Ltd is the professional manufacturer of intelligent pump control system applied for monitoring and protecting of pumps in home and industry use;
Leading Science & Technology has always been a leader in the production, research & development of intelligent pump control system and relative pump control products. Million of our prime products have been sold on the market for stable quality and reasonable price.
Leading Science & Technology has established stable relations with many pump producers and distributors from China and overseas.
Till now, Leading Science & Technology we have passed CE, ISO9001: 2008 certificate.