Application | Control & protect booster pump only |
Model | L932-B |
Main technical data | |
Start type | Direct on line |
Qty of controlled pump | Duplex pump |
Rated input voltage: | AC380V Three phase 50HZ/ 60HZ |
Rated output power: | 0. 75kw-4kw (1 hp-5. 5hp) 5. 5kw-11kw (7.5hp-15hp) 15kw (20hp) |
Protection function | Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection Repeat start protection Phase unbalance protection Phase reversal protection Open phase protection |
Control characteristic | Connecting 0.5-4.5V pressure transmitter to replace pressure switch Duplex pump control .Main pump / standby pump automatically alternate .Main pump / standby pump automatically switch against malfunction .Standby pump participates running if required |
Other features | LCD screen displaying dynamic real time pressure value & pump running status Pump accumulative running time recording Pump last five faults record displaying Presenting one dry contact point (BA port) Present RS485 port Present user remote monitor LCD screen locked function under auto state Push button calibration |
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 |