NZC Series Special Drive for Multi-pumps Water Supply
Series NZC is adopts the advanced control theory to adjust speed and switchover of pumps automatically according to the pressure of pipe net,so as to make the water pressure to be constant.Max. can be controled up to 4 water pump.
Voltage,frequency | Power range,kW |
3 phase/ 380V | 5.5 ~ 475 |
| Model | Spetification | |
| Input | Rated voltage,Frequency | 3 AC 380V. 50-60 Hz; |
| Voltage Range | 380V: 330V～440V; | |
| Output | Voltage Range | 380 V: 0～380 V; |
| Frequency Range | 0.10～400.0 Hz | |
| Control method | V/F control,Space verctor control | |
| Indication | Operating status/Alarm definiton/interactive guidance;eg,frequency setting,the output frequecy/current,DC bus voltage,the temperature and so on. | |
| Control Specification | Output Frequency Range | 0.10～400.00 Hz. |
| Frequency Setting Resolution | Digital input: 0.01 Hz. Analog input:0,1% of maximum output frequency | |
| Output Frequency Accuracy | 0.01 Hz. | |
| V/F Control | Setting V/F curve to satisfy various load requirements | |
| Torque Control | Auto increase:auto riase torque by loading condition;Manual increase:enable to set 0.0~20% of raising torque | |
| Multifuncional Input Terminal | 8 multi-function input terminals,realizing fuctions including fifteen section speed control,program running, four-section acceleration/deceleration speed switch,UP/DOWN function and emergency stop and other functions | |
| Multifuntional Output Terminal | 3 multi-function output terminals for displaying of running,zerospeed,counter,external abnormity,program operation and other infornation and warnings | |
| 8 пунктов для водоснабжения,1 ПЧ совершает подключение 4 насосов, | ||
| Acceleration/deceleration Time Setting | 0~6000 s acceleration/deceleration time can be set individually | |
| Other functions | PID Control | Built-in PID control |
| RS485 | Standard RS485 communication function (MODBUS) | |
| Frequency Setting | Analog input 0～10V, 0～20мА, can be selected; Digital input: input using the setting dial of the operation panel or RS 485 or UP/DOWN | |
| Multi-speed | Eight multifunction input terminals,15 section speed can be set | |
| Automatic voltage regulation | Automatic voltage regulation function can be selected | |
| Counter | Built-in 2 group of counters | |
| Overload | 150%,60 second(Constant torque);120%,60second (variable torque) | |
| Over Voltage | Over voltage protection can be set | |
| Under Voltage | Under voltage protection can be set | |
| Other Protections | Overheat,output shortcircuit,over current,and parameter lock and so on. | |
| Environment | Ambient Temperature | –10℃~40℃(no-freezing) |
| Ambient Humidity | Max. 95% (no-condensing) | |
| Altitude | Lower than 1000м. | |
| Vibration | Max. 0.5 g | |
| Structure | Cooling Mode | Forced air cooling |
| Protective Structure | IP 20 | |
| Mode | Wall mounted | |
lConstant pressure water-supply for housing estate
lCentralized water or heat supply
lWater processing,feedwater and pressurize and constant pressure oil transmission.
lAir conditioner for large buildings
lProcess water and recycling water of industrial and mining enterprise and
The industrial boiler water-supply system,etc.
Manual_NZC