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Description
TREVOLI L921-P Intelligent Pump Controller
The Trevoli L921-P is ideal for applications where control and protection is needed for a single pump with single phase power. The L921 manages the starting and stopping of the pump through various electric installations, as well as timed starts and stops. These controllers offer numerous protections, keeping your pump operational or in a halted state, before the pump is damaged.
Technical Specifications:
- Rated output power: 0.37-2.2kW (0.5hp-3hp)
- Working temperature: -25℃ -to +55℃
- Working humidity: 20% - 90%
- Degree of protection: IP54
- Installation Position: Vertical
- Unit dimensions: (L x W x H) 30.2cm x 24cm x 12cm
- Unit weight: 2.48kg
Features:
- Built in function switch to select different applications
- Auto / Manual Switch
- Run Dry Protection
- Dynamic LCD displaying pump running state
- Displays pump accumulative running time
- Displays record of pumps last five faults
- RS485 Communication
- Starts and stops the pump in accordance with the different liquid levels or pressure settings
- Pump anti-rust feature
- Pump start/stop time delay (time settable)
- Protection against: Overload, Under Voltage, Over Voltage, Open Phase, Pump Stalled, Short Circuit, Over Temp, Repeated Start
Specific Application Modes:
- Irrigation/sewage/drainage with overflow alarm
- Pressure boosting using a pressure switch & pressure tank
- Water supply from downtank to overhead tank
- Sewage pump with piggy-back float switch
- Pressure boosting using pressure transmitter
- Drainage using level transmitter
- Water transfer using level transmitter
Installation and Operation Manual
Applications:
- Houses
- Flats
- Holidays homes and Batches
- Farms
- Water supply from wells and bores
- Irrigations of greenhouses, gardens, agriculture
- Rain water reuse
- Industrial plants
- Waste water tank
2 Year Back to Base Warranty
TREVOLI L921-P Intelligent Pump Controller