Variable Speed and Constant Pressure Booster System

Item

Standard

Optional

Operation system

Pump speed

Inverter variable speed control drive

Pressure control

Constant pressure with system loss compensation

Number of pump control

Single alternate, Parallel alternate, Up to 5 pumps cyclic

Pumps rest at small flow rate

Installation area

Indoor

Ambient temperature Up to 40ºC

Outdoor

Weather-proof available

Pump

Vertical multistage Pump

Power source

Three phase, 380/400/415 V, 50 Hz

Pressure tank

Type

Pre-charged Diaphragm

Capacity

18L

Over 18L

Max. working pressure

10 bar

Up to 20 bar

Pressure sensor

3 Wire for DC 12V

Output Voltage 1 - 5V

Control panel

& Controller

Main components

Inverter (each pump), Control panel (Remote type)

Water level board,

Main supply noise filter Surge protector

Main circuit breaker, Main control board Interface board, Pilot light, Isolator, Voltage detection board

Control circuit noise filter, Electric leakage breaker

Protection

Electric thermal device, controlled by microcomputer

Display Items

Discharge pressure {digital display}

Pump operation current {digital display}

Voltage {digital display}

Pump operation frequency {digital display}

Power {red LED}

Operation condition {running pump}

Operation mode {Automatic or manual}

Storage tank selection {Tank 1 or 2}

Storage tank water level condition {normal}

System interlock

Failure : Shortage or full of storage tank

Low discharge pressure. *Option: IN-LINE BOOSTING mode Inverter trip

External output signal (No voltage, normal open contact)

Pump running

Pump failure

Storage tank condition {Full, low, shortage}

External input signal (No voltage, normal open contact)

System interlock {on/off}