Leading L922 Smart Duplex Pump Control Panel
Description
Applications:
- Control and protect universal pump
- Adopting liquid probe, 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 booster by pressure control through pressure switch and pressure tank
- Applied for drainage by liquid level control through float switch or liquid probe
- Applied for sewage pump with piggy-back float switch
Control characteristic:
- Duplex pump control
- Main pump / standby pump automatically alternate
- Main pump / standby pump automatically switch against malfunction
- Standby pump participates running if required
Features:
- Pump last five faults record displaying
- Pump accumulative running time displaying
- Pump shaft anti-rust
- Present one passive dry contact point (BA port)
- Present RS485 port
- Remote control panel (Optional)
- Push button calibration
- LCD screen displaying pump running status
- Memory function when power off & recovery
- Signal transmission distance up to 1000m
- Overflow alarm for drainage application
- Pump start time delay (Time settable)
- Pump stop time delay (Time settable)
- WIFI module (Optional)
- A/B Pump operation enable or disable function
- LCD screen locked function under auto state (Settable)
Protection Function
- Overload protection
- Pump stalled protection
- Dry run protection with sensor free
- Under voltage protection
- Over voltage protection
- Repeat start protection
- Over temperature protection
- Overload protection
- Pump stalled protection
- Dry run protection with sensor free
- Under voltage protection
- Over voltage protection
- Repeat start protection
- Open phase protection
- Phase reversal protection
- Three phase unbalance protection
- Over temperature protection
Main installation data
- Working temperature
- Working humidity
- Degree of protection
- Mounting type
- Unit dimension (L x W x H)