| Task: | Program |
|---|---|
| Structure: | Closed-Loop |
| Mathematical Model: | Linear |
| Signal: | Continuous |
| Transport Package: | Paper Carton |
| Specification: | CE |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier | Model | L922 |
| Main technical data | |
| .Start type | Direct on line |
| . Qty of controlled pump | Duplex pump |
| . Rated input voltage: | AC220V-240V Single phase 50HZ/ 60HZ |
| . Rated output power: | 0.37kw-2.2kw (0.5hp-3hp) 3-4kw(4hp-5.5hp) |
| Protection function |
Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection Rapid cycle protection |
| Application |
Control and protect universal pump Using water level sensor ,float switch or pressure switch to control pump start and stop Applied for water supply by liquid level control through float switch or liquid probe Applied for water supply by pressure control through pressure switch and pressure tank Applied for drainage by liquid level control through float switch or liquid probe |
| Control characteristic |
Duplex pump control Build in function switch for water transfer ,booster and sewage lifting (drainage) .Main pump / standby pump automatically alternate .Main pump / standby pump automatically switch against malfunction .Standby pump participate running if required |
| Other features |
Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust Presenting one dry contact point (BA port) Present RS485 port Present user remote monitor |
| 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 |
Suppliers with verified business licenses
Audited Supplier 
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