Fully Automatic Operating Frequency Inverter for Constant Pressure Water Supply

Item

Technical Index

Specification

Input

input voltage

1AC 220~240V±15%
1AC 220~240V±15%
3AC 380~460V±15%

Input frequency

50 / 60Hz±5%

Output

Output voltage

0~rated input voltage

Output frequency

0~100Hz

Control Features

Control mode

Manual control
Auto control

Operation command mode

Keypad control
Terminal control
Serial communication control (Modbus)

Overload capacity

150% / 60s, 180% / 10s, 200% / 1s.

PID control

Built-in PID control standardly.

Automatic voltage regulation

Keep output voltage constant automatically when input voltage fluctuating

Main

Protection

Functions

Pressure

Upper limit protection

Lower limit protection

Lack of water

Lack of water protection

Motor

Motor overload protection

Rust-proof & freeze-proof

Rust-proof and freeze-proof protection

Pipeline

Pipeline broken protection

Applications

Water supply system

Deep well pump, submersible pump, sewerage pump, pipeline pump, booster pump, multistage pump, centrifugal pump etc.

Special for living water supply system, hot water supply system, high-rise water supply system, fire fighting water supply system, sewer system and irrigation system etc.

Human machine interface

LED display

Pressure setting, system pressure, output frequency, output voltage, output current, etc.

Two lines display.

Environment

Ambient temperature

-10~50°C, without direct sunshine.

Humidity

90%RH or less (non-condensing).

Altitude

≤1000M: output rated power, >1000M: output derated

Storage temperature

-20~60°C