50hz/60hz Intelligent Constant Water Supply System

Specifications

l Automatically control,constant pressure water supply

l One pump one varaible frequency controller,easy operation

l No need control panel to save cost,low faulty

l Automatically restart running after recover of power-off or low water level

l No need storing tank to save occupied area of pump house and avoid secondary pollution for water quality

l The equipment runs well even without individual posts and property management of residence community 

l PID control method to monitor water consuming conditions and entering into stop mode automatically if no water use 

Detailed Product Description

Special Inverter designed for pump
One drives one
Both for single pump and Mult-Pump System
Power Range up to 350KW

This Series Power Range:

Single phase 220-240V 1HP-3HP(0.75KW-2.2KW)
Three phase 220-240V 1 HP-15HP(0.75KW-11KW)
Three phase 380-440V 1 HP-470HP(0.75KW-350KW)

Technology Features
Input & Output
Input Voltage Range: 380/220V± 15%
Input Frequency Range: 47~63Hz
Output Voltage Range: 0~rated input voltage
Output Frequency Range: 500Hz

I/O Features
Digital Switch Input: 3 input
Programmable Analog Input: AI1: 0~10V or 0~20mA input;
AI2: 0~10V or 0~20mA input
Relay Output: 2 Output

Function Characteristics
Multi-Pump Control: Can realize 1 master and Max. 5 auxiliaries combine work

Sleep Function: Sleep down when have no water consumption, to earn a better energy saving

Freeze-Proofing Function: Suitable to low temperature area, prevent pump from freezing

Anti-clogging Function: Take precaution against pipe clogging and clean the pipe dirt

Power On Restart: Running automatically when power on

Master Fault Shift Automatically: Keep on working when the master break down

Alternate Running: Balance every pump's running time, prolong service life of the whole unit machine

Day-Part Function: 3 independent day-part control, up to 7 day-part achieved when define separated

Two Running Mode: Synchronous control mode, master-slave control mode

Terminal Control Mode: Terminal Run/Stop, Manual/Auto Control, Electronic Contact Gauge Control

Various of water supply Fault Alarm Function: High-Pressure, Low-Pressure, Low-Level, Transducer Error etc.

As many as 22 kinds of fault protection function: Over-Current, Over-Voltage, Low-Voltage, Phase-Failure, Over-Load etc