HVAC Innovative products and series of Danfoss commercial compressors

HVAC】Innovative products and series of Danfoss commercial compressors To date, Danfoss has provided more than 100,000 air-conditioning large scroll compressors to the Chinese air-conditioning market. This milestone has established Danfoss as the market leader in China's air-conditioning large scroll compressors with more than 20 HP (including 20 HP).   High energy efficiency and partial load efficiency, IPLV and other new regulations and environmentally friendly refrigerant replacement are the mainstream development directions of HVAC/R systems in the coming years. The complexity of system design varies with different applications and different equipment sizes. Danfoss fully supports its customers' transition to new system designs and new refrigerants. Air conditioning applications New product: Danfoss CXH scroll compressor-specially designed for Chinese modular chillers-effectively improves partial load efficiency

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Modular chiller is a key application in China's commercial air-conditioning market. Danfoss CXH scroll compressors are specially developed for modular machines and use R410A refrigerant, which is 4% more energy efficient than existing solutions. It can also meet the market's demand for environmentally friendly refrigerants, higher energy efficiency and less carbon dioxide emissions. Danfoss CXH 12HP scroll compressors can provide industry-leading energy efficiency levels of up to 11.35EER, reducing operating costs. The wide operating range ensures efficient operation under extreme conditions. Standard feet provide a convenient plug-and-play option for existing chiller designs. New product: VTT series of Danfoss Tianci TM for water chillers

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Danfoss TianciTM magnetic suspension oil-free inverter compressor has achieved a series of successes in China. In the near future, it will also be stationed in Xinjiang, China, to provide cooling for the first and largest integrated trade and logistics city in Hami City. On this basis, Danfoss further launched the Tianci TM VTT series of compressors. This series of compressors applies permanent magnet bearing technology to a larger range of refrigeration capacity and expands the cooling capacity of the Tianci brand compressor. VTT compressors use innovative and patented IntraFlow™ technology, which enables centrifugal compressors to achieve greater stable operating range while achieving better reliability and higher energy efficiency. VTT compressors are suitable for commercial air conditioning or process refrigeration applications, with a cooling capacity ranging from 200 to 350 tons (700 to 1200 kW). New product: Danfoss VZH inverter scroll compressor series expands new models

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Three new models are added to the Danfoss VZH DC inverter scroll compressor series, with a maximum cooling capacity of 4-7 tons (14-26 kW), which can be expanded to 13 tons (46 kW) by parallel configuration. Dedicated to applications such as precision air conditioning, process cooling, rooftop machines, air handling equipment, and ground source heat pumps.   The first VZH of Danfoss was released in December 2012, which is suitable for 13 to 52 cold tons (45 to 180 kW) chiller and rooftop applications. The VZH series uses high-efficiency rare earth permanent magnet motors, and the pre-verified compressor and inverter combination provides the highest energy efficiency, and provides plug-and-play frequency conversion solutions for system design.    In addition, we also brought two other energy-efficient compressor solutions to the refrigeration exhibition:   Parallel compressor: Provide higher part load efficiency and reliability    Danfoss provides comprehensive technical support for OEMs, applying scroll compressor parallel technology to water chillers up to 600 kW. The parallel technology of multiple scroll compressors is a key strategy to improve the efficiency of part load. Danfoss patented oil and gas separation tube technology has been adopted in the R410A SH series (15-40 HP). Under partial load operating conditions, the oil and gas separation tube effectively ensures a safe oil level in the stalled compressor, reduces the risk of failure caused by poor compressor lubrication, and at the same time reduces the system oil circulation rate and improves the heat transfer efficiency of the evaporator, thereby improving the system Overall energy efficiency. The parallel configuration can also increase compressor life, reduce OEM application costs and system noise levels.    Danfoss scroll compressor PSH-LLI: efficient heating solution    PSH series R410A heat pump special scroll compressor adopts low-ring temperature liquid injection technology LLI, which can achieve higher reliability and high energy efficiency. The increasing demand for highly efficient and environmentally friendly technologies has promoted the development of China's commercial heat pump market. The wider operating range allows the PSH solution to achieve high efficiency even under extreme conditions, heating water to 60 °C at an ambient temperature of minus 15 °C. This is very suitable for heat pump applications in northern China. The results of simulated working conditions show that the heat pump using Danfoss PSH series compressor can reduce energy consumption by 10% compared to the heat pump that requires a backup heating furnace. Refrigeration applications New product: Danfoss Scroll Compressor MLZ 15HP – specially designed for medium temperature refrigeration applications in China

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The latest 15 HP compressor MLM/MLZ116 expands Danfoss' original MLM/MLZ series to a larger number. Its unique design for freezing applications can bring many benefits to customers, such as:   ◆ Large cooling capacity, faster cold storage temperature   ◆ The refrigeration efficiency is higher when the cold storage is insulated, which is derived from the high-efficiency motor and refrigeration optimized scroll design   ◆ Available parallel units and energy level adjustment, improve part load efficiency, have more flexibility, reduce application costs   The new model scroll compressor expands the original refrigeration scroll and piston compressor product series.

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