Fluid Pump Systems of S521
Since 2001, Hunan Leading Science & Technology Development Co., Ltd is the professional manufacturer of intelligent pump control system applied for monitoring and protecting of pumps in home and industry use.
Till now, Leading Science & Technology we have passed CE, ISO9001: 2008 certificate.
Main features
1. Built In function switch;
2. Applied for water supply by liquid level control through float switch;
3. Applied for water supply by pressure control through pressure switch and pressure tank;
4. Applied for drainage by liquid level control through float switch;
5. Automatic stops the pump in the case of water shortage, protecting it from dry running
Without installing float switch in the well;
6. Auto / Manual switch;
7. Dynamic LCD displaying pump running state;
8. Protect the pump against many faults;
9. Push Button Calibration;
10. Starts and stops the pump in accordance with the different liquid level or pressure setting;
11. Reserved space for installing internal start capacitor of pump motor.
Protection function
-Dry run
-Over load
-Transient surge
-Under voltage
-Over voltage
-Pump stalled
-Short circuit
-Open phase
Applications
Model S521 is useful in all cases we need to control and protect single pump managing its turn-on and turn off by different electric installations.
Typical usage scenarios include:
-Houses
-Flats
-Holidays houses
-Farms
-Water supply from wells
-Irrigations of greenhouses, gardens, agriculture
-Rain water reuse
-Industrial plants
-Waste water tank / Sewage sink
Advantages
1. Water pump network remote monitor;
2. Water pump GSM message remote monitor;
3. Central group control network systems;
4. Intelligent digital water pump controller with sensor free;
5. Computer chip of intelligent digital water pump control;
6. Water pump intelligent one button fast parameter calibration;
7. Water control anti-corrosion, enviromment-friendly probe;
8. Water pump shaft anti-rust function;
9. Liquid level no sensor application;
10. Win credit grade-AAA enterprise certification;
11. Win Hunan good quality and be reliable enterprise;
12. The appointed product of Hunan flood control and drought relief command office.
Main technical characteristic |
Control characteristic |
double liquidlevel control |
| pressure control |
| Control method |
Manual/Auto |
| Liquid levelcontrol characteristic |
float switch |
| Pressure control characteristic |
pressures witch(n/c) & pressure tank |
Main technical data |
| Rated output power |
0.75KW-4KW (1HP-5.5HP)
5.5KW-7.5KW (7.5HP-10HP) |
| Rated input voltage |
AC380V/50HZ Three Phase |
| Trip response time of overload |
5sec-5min |
| Trip response time of short circuit |
<0.1sec |
| Trip response time of under/over voltage |
<5sec |
| Trip response time of dry run |
6sec |
| Recovery time of over load |
30min |
| Recovery time of under/over voltage |
5min |
| Recovery time of dry run |
30min |
| Trip voltage of over voltage |
253V |
| Trip voltage of under voltage |
175V |
| Protectionfunction |
Dry run
Over load
Transient surge
Under voltage
Over voltage
Pump stalled
Short circuit |
Main installation data |
| Working temperature |
-25ºC--+55ºC |
| Working humidity |
20%-90%RH, no drips concreted |
| Degree of protection |
IP22 |
| Installposition |
Vertical |
| Unitdimensions(LxWxH) |
17×15.5×8.5cm |
| Unitweight(net) |
905g |
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