The Trevoli L931 controllers can control one or two single or three phase pumps and has three different modes which can be changed easily by a switch setting. Each mode allows the controller to be used for different functions. Ideal applications include houses, farms, water supply from wells, Irrigation, rain water reuse, Industrial plants and Waste water tanks.
FEATURES
Mode 1: Used to supply water to a tank using float switches (not supplied) or liquid level sensors (supplied).
Mode 2: Used for pressure boosting using a pressure switch (not supplied) and pressure tank (not supplied).
Mode 3: Used to empty a tank or sump using float switches (not supplied) or liquid level sensors (supplied).
Comes with a remote monitor that allows monitoring and controlling the pump from up to 1200m distance from the controller.
Built In function switch
Run Dry Protection
Dynamic LCD displaying pump running state
Push Button Calibration
Displays Pump Accumulative Running Time
Displays Pump Last Five Fault Record
RS485 Communication
Starts and stops the pump in accordance with the different liquid levels or pressure settings
Protects the pump against many faults including: Overload, Transient surge, Under voltage, Over voltage, Pump stalled, Short circuit
TECHNICAL FEATURES
Working temperature: -25 -to +55
Working humidity: 20% – 90%
Degree of protection: IP54
Install position: Vertical
Visual and audible alarm can be configured
Part No.
hp
kW
Phase
Voltage
No. of Pumps
L931
0.1-14
0.7 – 11
3
380-415
1