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Intelligent Circulating Heating Air Source Heat Pump Hot Water System Constant Temperature Supply for Buildings

Highly-Efficient Spiral Heat Exchanger

The spiral heat exchanger adopts highly-efficient externally threaded bronzed tubes, which increase the nucleate boiling vaporization core on the outer surface, improving heat transfer efficiency outside the tube.The internally threaded design within the tube increases the heat transfer area and creates secondary turbulence.The unique double-spiral structure ensures smooth water flow and uniform flow, minimizing ice blockage and scaling.
Perfect processing craft ensures the heat exchanger's service life.

Coaxial Tube-In-Tube Heat Exchanger

When water flows at low speeds, it creates turbulent flow within the spirally fluted tubes, making them not easy to freeze. The unique spiral fluting structure provides excellent flexibility and prevents cracking due to freezing.The spiral flow scours the fluid, providing self-decontamination, stable performance and minimal attenuation.(The larger cross-sectional area of the water-side flow channel allows for the passage of larger impurities such as silt and fibers, minimizing the likelihood of blockage.The multi-head spiral structure of the heat exchanger tubes creates turbulent flow, enhancing self-decontamination and anti-scaling capabilities, and maintaining high channel cleanliness.)Because spiral tube-in-tube heat exchangers require fewer welds during manufacturing, the process is simple and the weld quality is high, significantly reducing the risk of cracking and leaks at the joints caused by long-term vibration, pressure fluctuations and alternating hot and cold temperatures.

Imported Chip Computer Board

This facility adopts imported chips from internationally renowned brands, offering stable quality and a longer service life compared to the domestic chips used by most of factories.Because the facility operates for an average of over ten hours per day, stable performance is essential to effectively,preventing data and control point drift caused by long-term operation.It suits to different ambient temperatures, ensuring operation of the facility.Stable operation and a very low breakdown rate.

International Brand Contactors
Heat pump contactors are a constantly moving component and are used very frequently, closing and opening dozens of times daily.This is a high test on product quality.Regular contactors cannot guarantee a 15-year service life for TENESUN heat pumps.
TENESUN has selected state-of-the-art AC contactors from international brands at last after repeated professional testing and comparisons,multiplying the contact current capacity by 1.5 times.It has significantly reduced repair costs, ensured the life of the facility and improved customers' satisfaction.

Multiple Protections For The Facility Ensure Safe Operation Of The System

Multiple safety protection technologies ensure safe and reliable system operation, even below -35°C, ensuring safe operation of the facility's tube system and preventing ice blockage and cracking. It has functions including water tank’s water position control, overflow protection, intelligent thermostat control, power-off memory and fault code display.
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  • KFXRS-11 E/C

  • TENESUN

Circulating Air-Source Heat Pump Water Heating

This circulating air-source heat pump water heating system consists of a heat pump unit, a circulation pump, and an insulated storage tank. The unit absorbs low-grade thermal energy from the air via a refrigerant cycle, while the circulation pump continuously draws cold water from the tank into the unit for heat exchange. The water temperature rises by 3~5℃ per pass, with repeated cycling until the target temperature is reached. Utilizing a "high flow rate, low temperature difference" heating logic, the system ensures balanced unit loading, stable defrosting, and a low failure rate. It features intelligent automatic start/stop temperature control, providing a stable supply of constant-temperature hot water 24 hours a day. Highly energy-efficient (saving over 70% in energy costs) and operating with no open flames or emissions, it is ideal for commercial centralized hot water projects with high demand, such as hotels, schools, hospitals, and factories.

Stable and Durable Heating

Gradual temperature rise via low-temperature-difference water circulation ensures balanced unit loading and smooth defrosting, resulting in low long-term failure rates and extended equipment lifespan.

Energy-Efficient and Cost-Saving

Absorbs free thermal energy from the air and utilizes circulating heat exchange to boost efficiency; saves over 70% in energy compared to electric or gas water heating, ensuring low operating costs.

24 Hour Constant-Temperature Water Supply

The water pump ensures continuous circulation for heat exchange, resulting in minimal water temperature fluctuations and a stable, 24-hour supply of ample, constant-temperature hot water—meeting the continuous water usage needs of hotels, factory complexes, and similar facilities.

Safe, Eco-Friendly, and Risk-Free

No open flames or risks of fuel/gas leaks; zero exhaust emissions; intelligent electronic start/stop control; fully compliant and safe for commercial centralized hot water applications.

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