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0.75-22KW Motor Frequency Converter for HVAC

A Frequency Converter for Electric Motors, also known as a Variable Frequency Drive (VFD) or Adjustable Speed Drive (ASD), is an electronic device designed to control the speed and torque of AC (Alternating Current) electric motors. These devices have become integral in various industrial and commercial applications due to their ability to enhance motor performance, improve energy efficiency, and provide precise control over motor operations.
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Product Overview


The 0.75-22KW Motor Frequency Converter for HVAC represents a specialized motor control solution engineered specifically for heating, ventilation, and air conditioning (HVAC) systems in commercial and industrial buildings. This precision-engineered variable frequency drive regulates motor speed of fans, pumps, and compressors based on actual environmental conditions and occupancy levels, optimizing energy efficiency while maintaining comfort. By converting fixed AC input to adjustable frequency output, the converter enables precise control of airflow, water flow, and refrigerant compression, reducing energy consumption compared to traditional on/off or fixed-speed control methods. Compliant with IEC 61800-2 and EN 60335 standards, this compact and reliable drive integrates seamlessly with building management systems and HVAC controls, making it an essential component for modern, energy-efficient climate control systems.


0.75-22KW Motor Frequency Converter for HVAC


Product Features


HVAC-Specific Control Algorithms

Incorporates specialized control modes for fans, pumps, and compressors, including PID temperature/pressure control, automatic energy optimization, and scheduled operation based on occupancy patterns.


Wide Power Range Compatibility

Available in models covering 0.75kW to 22kW (1HP to 30HP), the converter accommodates various HVAC components from small ventilation fans to medium-sized water pumps and air handlers.


Seamless Building Management Integration

Supports standard communication protocols including BACnet, Modbus RTU, and LonWorks, enabling integration with building management systems for centralized monitoring, control, and energy management.


Applications


Commercial Building HVAC Systems

Controls fans and pumps in air handling units, rooftop units, and variable air volume (VAV) systems in office buildings, hotels, and retail facilities, optimizing comfort and energy efficiency.


Industrial Climate Control

Regulates ventilation fans, exhaust systems, and process cooling pumps in manufacturing facilities, warehouses, and production plants, maintaining optimal working conditions while reducing energy costs.


Refrigeration Systems

Controls compressor motors and evaporator fans in commercial refrigeration systems, walk-in coolers, and cold storage facilities, improving temperature stability and reducing energy consumption.


District Heating and Cooling

Optimizes operation of circulating pumps and heat exchange equipment in district heating and cooling systems, improving overall system efficiency and reducing distribution losses.


FAQ


How much energy can the converter save in HVAC applications?

Typical energy savings range from 20-40% for fan applications and 30-50% for pump applications compared to fixed-speed operation, with the highest savings in systems with varying load requirements.

What types of HVAC equipment is the converter compatible with?

The converter is designed for use with centrifugal fans, axial fans, centrifugal pumps, chilled water pumps, boiler feed pumps, and HVAC compressors commonly found in commercial and industrial climate control systems.

Can the converter be integrated with existing building management systems?

Yes, the converter supports industry-standard communication protocols including BACnet, Modbus, and LonWorks, enabling seamless integration with most building management systems and HVAC control networks.

What is the minimum speed the converter can achieve for fan applications?

The converter can operate fans at speeds as low as 2Hz (approximately 3% of full speed) while maintaining stable airflow, enabling precise control of ventilation rates and air exchange.

How does the converter contribute to indoor air quality?

By enabling precise control of airflow rates and air exchange, the converter helps maintain consistent indoor air quality while optimizing energy use. It can be programmed to increase ventilation during occupied periods and reduce during unoccupied periods.


Product Name

General Purpose Vector Frequency Converter

Power Specifications

0.75KW - 22KW

Rated Voltage

380V

Input Voltage

±15%

Input Frequency

50Hz

Cooling Level

Air-cooled with fan control

Low Frequency Output

0-300Hz

High Frequency Output

0-3000Hz

Control Mode

V/F control, advanced V/F control,

V/F separation control, current vector control

Protection

Over-current, over-voltage and under-voltage, module fault, over-heat, short circuit, input and output lack of phase, abnormal motor parameter regulation, electronic thermal relay, ect.


Product Category

Our factory focuses on the production and development of frequency converters and soft start devices, which are widely used in the fields of automation control and energy management, helping enterprises improve energy efficiency and reduce energy consumption.

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