Central air conditioning is a major consumer of electricity in buildings. In the annual electricity bill, the power consumption of air conditioning can reach about 60% of the entire building's electricity consumption. The central air conditioning system in the building is designed and installed according to the maximum load and with a certain margin. However, in a year, it can only operate at full load for more than a month, or even more than ten hours, and the majority of the time the load operates below 70%. Usually, the load of the refrigeration unit in the central air conditioning system can automatically adjust the load according to seasonal temperature changes, while the refrigeration pump and cooling pump matched with the refrigeration unit cannot automatically adjust the load. They operate at 100% load for almost a long time, causing great energy waste and deteriorating the operating environment and quality of the central air conditioning.
Product advantages
1. Advanced technology platform - The entire series of products are developed and applied based on high-performance speed sensorless vector control technology platform, synchronized with current international leading technologies.
2. Significant energy-saving effect - adopting vector control technology, it is highly efficient and energy-saving, with a high return on investment, especially suitable for the energy-saving renovation projects of central air conditioning.
3. Good heat dissipation effect - perfect independent heat dissipation duct design, easy disassembly and maintenance of the heat dissipation fan; The air duct is designed independently, with better dust and corrosion prevention effects, and strong environmental adaptability.
4. Super load carrying capacity - the starting torque can reach 180% of the rated torque output; Under any acceleration and deceleration time and any instantaneous impact load conditions, the frequency converter operates stably without tripping, ensuring safety and stability.
5. Power frequency/frequency conversion control switching - The integrated energy-saving control cabinet can achieve power frequency/frequency conversion control switching; During power frequency operation, it supports Y - △ switching and startup, facilitating equipment maintenance and frequency converter maintenance.
6. It is convenient to achieve constant temperature control - the frequency converter is equipped with mature and efficient PID control algorithms, which can quickly respond to the temperature variable frequency requirements of the air conditioner, thus achieving constant temperature and energy-saving control.
7. Low electromagnetic noise - The frequency converter adopts up to 16K wide carrier frequency regulation technology and automatic carrier control technology, which can automatically adapt to changes in load and module temperature and change the carrier frequency to continue operating, find a balance point between load capacity and noise tolerance, fully reduce motor noise, and achieve industrial level silent control.
 
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