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Hot Selling 55kw Heat Pump Monoblock R32 for School¹

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Product DescriptionProduct DescriptionUnstoppable comfort down to –35 °CUnstoppable comfort down to –35 °C: R32 Commercial Low-temperature Heat Pump sustains full-capacity heating when ordinary units quit, cutting operating costs for hotels, apartments, retail and mixed-use buildings alike.Engineered for the planet's coldest commercial hubs, the unit's enhanced vapor-injection scroll compressor, oversized low-temperature evaporator and AI-driven defrost logic keep supply-water at 55 °C—even when the mercury plunges to –35 °C. No backup boilers, no electric coils, no downtime; just steady, efficient warmth for guest rooms, corridors and merchandising floors while competitors struggle at –20 °C.Key Features:Operating in extreme cold conditions: Stable Running at -35℃ Ambient Temperature.Versatile functionality: The heat pump meets both heating and cooling requirements, offering a more comfortable cooling experience than traditional air conditioning.Intelligent defrosting: Smart control system to shorten defrosting time, extend defrosting intervals, and achieve energy-efficient heating.Low noise: Internal unit equipped with multiple noise-reducing and thermal insulation materials to minimize noise levels.Equipped with multiple protective mechanisms for comprehensive protection of your safety and equipment, extending the equipment's lifespan.Intelligent anti-freezing: The heat pump's intelligent anti-freezing function effectively prevents system icing issues.Smart Control: Easily manage your heat pump with Wi-Fi and app smart control, integrated with IoT platforms.SpecificationNameDLRK-45ⅡBM/A2DLRK-55ⅡBM/A2DLRK-66ⅡBM/A2DLRK-88ⅡBM/A2Power Supply380V3N~ 50Hz380V3N~ 50Hz380V3N~ 50Hz380V3N~ 50HzAnti+B4:P25-Electric Shock RateClassIClassIClassIClassIIngress Protection RatingIPX4IPX4IPX4IPX4Condition 1RatedHeating Capacity20000~4500025000~5500030000~6600035000~88000Condition 2RatedHeating Capacity30000385004500058000Rated Heating Power Input11200154001800024000COP2,692,52,52,42Condition 3LowTemp. Heating Capacity25000310003700048000Low Ambient Heating Power Input10700140001680022300IPLV(H)3,343,33,333,2Condition 4Rated CoolingCapacity35000450005200065000Power Input12200160001800024000EER2,872,812,892,71IPLV(C)4,24,054,164,2Max Power Input18000215002600036400Max Running Current3238,54665Rated Water Flow6,027,748,9411,18Water Pressure Drop28252635Water Pipe ConnectionDN40/1?" FemaleThreadDN50/2" FemaleThreadDN50/2" FemaleThreadDN50/2" FemaleThreadNoise67717172Refrigerant/ChargeR32/7.0kgR32/(4.5×2)kgR32/(5.5×2)kgR32/(6.5×2)kgDimension (L×W×H)1500×800×16151675×860×16701755×900×17001755×930×1700Net Weight320420480510Test ambient temperatureCondition1: Outdoor DB Temp. 7 °C, outlet water Temp. 45 °CCondition2: Outdoor DB Temp. -12 °C /WB Temp.-13.5 °C, outlet water Temp. 41 °CCondition3: Outdoor DB Temp. -20 °C, outlet water Temp. 41 °CCondition4: Ambient DB Temp. 35 °C, outlet water Temp. 7 °C" MORE THAN 70000 PROJECTS COMPLETED SO FAR; MORE THAN 6.5 MILLION PRODUCTS DELIVERED.HIGHLIGHT PROJECTSThe 2008 Shanghai World Expo.Universiade SHENZHEN 2011The 2011 Universiade in Shenzhen.BOAO FORUM FOR ASIAThe 2013 Boao Summit for Asia in Hainan.The artificial island hot water project of the Hong Kong–Zhuhai–Macao Bridge in 2019.2016 the hot water reconstruction project of Qingdao port.BEIJING 2022The 2022 Beijing Winter Olympic Games & Paralympic Games.G20 2016 China2016 the G20 Hangzhou Summit.19th Asian Games Hangzhou 20222023 the Asian Games in HangzhouExhibitionGlobal Presence with Hien From Beijing ISH to Milan MCE, from Frankfurt ISH to Birmingham Installer ShowHien is redefining global standards in sustainable climate control — one heat pump at a time. At the world's top HVAC exhibitions, our eye-catching booths showcase cutting-edge heat pump technologies and a track record of over 70,000 successful solutions delivered worldwide. We're not just attending — we're driving the transformation toward energy-efficient, low-carbon living.Meet us at:ISH Germany ? Hall 12.0 E29 ? 156 m2ISH China & CIHE ? E4-03 ? 400 m2MCE Milan ? Hall 3 M50 ? 60 m2Installer Show Birmingham ? 2024 & 2025 ? Two boothsWarsaw HVAC Expo ? E2.16 ? 69 m2Heat Pump Technologies Milan ? C22 ? 32 m2Company ProfileABOUT HIENFounded in 1992, Hien firstly started as an electronic component manufacturer. With a registered capital of 300 million RMB, Hien entered the air source industry in 2000. It is a leading enterprise of air source heat pumps in the area of product R & D, production, sales, and after-sales service. Hien owns one of the largest production bases of heat pumps in China, as well as the CANS-certified state-level comprehensive laboratory.Production ExperienceTotal foorspaceCooperated suppliersODM servicesR&D TeamTransaction Amount30+years(51,234)square meter(5300+)available100+ Workers800,000,000+Innovation Engine Behind Hien's Heat Pump Excellence At Hien, our R&D team is the driving force behind breakthrough heat pump solutions. With over 130 invention patents, 106 technical experts, and 25 years of deep experience in core technologies, we turn ideas into high-performance, energy-efficient systems.Our facilities span 5,000 m2, equipped with tools valued over ￥20 million, supporting expertise in thermal power, electrical engineering, energy management, and more. Backed by two R&D centers and a national-level postdoctoral research station, we don't just follow trends — we define them.From concept to deployment, our team customizes solutions that meet real-world demands, empowering our global partners to lead in sustainability.Quality You Can Trust: Hien's Rigorous Testing Standards Every Hien heat pump undergoes a precise quality control process, including 43 performance, safety, and reliability tests across 8 rigorous categories — from transportation and rain resistance to life-cycle stress validation.Why do we do it?Because quality isn't just a promise — it's the foundation of trust. Lower failure rates, reduced maintenance, and enhanced customer satisfaction are just the beginning.Certified under ISO9001 standards, we uphold our policy: "Adopt advanced technology, adhere to continuous innovation, enhance customer satisfaction, and fulfill quality commitments."FAQQ.Are you a trading company or manufacturer?A: We are a heat pump manufacturer in China.We specialized in heat pump design/ manufacturing for more than 25 years.Q.Can i ODM/ OEM and print my own logo on the products?A: Yes, Through 25 years research and development of heat pump, hien technical team is professional and experienced to offer customized solution for OEM,ODM customer, which is one of our most competitive advantage.If above online heat pump does not match your requirements, please do not hesitate to send message to us, we have hundreds of heat pump for optional, or customizing heat pump based on demands, it is our advantage!Q.How do l know if your heat pump are good quality?A: Sample order is acceptable for testing your market and checking our quality And we have strict quality control systems from raw material incoming until finished product delivery out.Q.Do you test all the goods before delivery?A: Yes, we have 100% test before delivery. If you need any assistance, please feel free to contact us.Q: What certifications do your heat pump has?A: Our heat pump have CEcertification, MCS,ISO 14001, ISO 45001, and ISO 9001 certification.Q: For a customized heat pump, how long is the R&D time (Research& Development time)?A: Normally, 10~50 business days, it depends on requirements, just some modification on standard heat pump or a totally new design item.If you are interested in this product,please fill in the below and send us,we will reply you and also send you the latest product catalog and latest quotation within 1 hour!

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