Portable Backpack Unit

Hisurp provides high-performancePortable Backpack Units engineered for demanding industrial environments. Designed to withstand extreme heat, continuous vibration, and heavy dust exposure, our units ensure reliable cooling and operator comfort in tower cranes, overhead cranes, and port machinery. Featuring durable construction, efficient refrigeration systems, and easy installation, Hisurp air conditioners deliver long-lasting performance for worksites worldwide. Choose Hisurp for quality crane AC solutions made in China.
The Portable Backpack Unit is a high-protection air conditioning unit designed by Hisurp specifically for crane operator cabs, suitable for various types of cabs including those for port quay cranes, tire cranes, marine cranes, and mining operations.

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What is?

Addressing the harsh working conditions of crane operator cabs, such as high-frequency vibration, significant swaying, high-temperature exposure, dust, oil contamination, and salt spray corrosion, Portable Backpack Unit features a reinforced anti-vibration structure to prevent vibration damage, a fully enclosed waterproof shell (IP56) to resist rain and salt spray, a wide-temperature-range compressor adaptable to extreme environments from -15℃ to 55℃, and a compact, integrated design that supports top-mounted, wall-mounted, or bottom-mounted installation, providing operators with a comfortable and safe operating environment.

Application

Industrial field: metallurgical workshop, steel mill, coke oven machine/crane high-pressure room (loading car, cart, transfer car, quenching car)
Special equipment: field operation crane cab, electrical control room
Commercial places: shopping malls, hotels, restaurants, schools, banks (top air supply, comfortable and energy-saving)

Technical Specifications

Parameter	Options
Cooling Capacity	2 kW ~ 8 kW (sized based on cabin volume and ambient conditions)
Heating Capacity	1.5 kW ~ 5 kW (optional electric heating or heat pump)
Power Supply	AC 220V/50Hz / AC 380V/50Hz / AC 440V/60Hz / DC 24V / DC 48V
Protection Rating	IP56 / IP66 (optional)
Housing Material	316L Stainless Steel / Galvanized Steel with Heavy-duty Anti-corrosion Coating
Mounting Type	Roof-mounted / Wall-mounted / Underfloor-mounted
Compressor Type	Hermetic Rotary / Scroll Compressor (reinforced anti-vibration base)
Refrigerant	R134A / R404A / R407C
Operating Temperature Range	-15℃ ~ 55℃ (wide temperature range design)
Noise Level	≤ 55 dB(A) (inside cabin)
Condenser Type	Air-cooled (standard) / Water-cooled (optional)
Filter Type	Removable mesh filter / Activated carbon filter (optional) / Oil mist filter (optional)
Anti-vibration Performance	Vibration test approved, suitable for high-frequency vibration conditions
Anti-corrosion Test	Salt spray test approved, suitable for corrosive environments such as ports and terminals

FAQ

The crane vibrates a lot during operation. Can the air conditioner withstand that?

Yes. ThePortable Backpack Unit is specifically designed for the high-frequency vibration conditions of cranes:
The compressor uses a reinforced shock-absorbing base to effectively absorb vibration.The refrigeration piping uses flexible connections to prevent breakage due to vibration.Electrical components are reinforced for vibration resistance to ensure reliable contact.The entire unit has undergone simulated vibration testing to meet the requirements of continuous crane operation.

Can we order a sample unit for testing first?

Yes. The minimum order quantity is 1 unit. You can order a sample unit directly for on-site testing to fully evaluate the equipment's performance under actual crane operating conditions. If you have special requirements for your cab, we can also tailor a professional refrigeration solution for you.

Why choose hisurp?

The company has passed ISO9001 international quality system certification,ISO14001 environmental management system certification,ISO45001 Occupational health and safety management system certification,intellectual property management system cerification,carbon emision certification,China 3C certification,product anticorrosive grade certification,CRAA certification,CE certification,UL certification,CB certification and so on. Carry out work in strict accordance with the management requirements of various systems,and constantly strengthen the internal management of the company.Adhering to the service concept of "creating value beyond price",the company has won praise from domestic and foreign users.At present,the performance of various products of the company has reached the advanced level.HICON has become a benchmark enterprise in the development and production of special precision refrigeration and air conditioning products and low-carbon environmental protection commercial air conditioning products.Products are widely used in iron and steel metallurgy,automobile manufacturingoptical manufacturing,petrochemical,medical equipment,high-speed rail base station,5G communication,coal coking,aircraft and ship manufacturing,precision machinery,E-HOUSE, power generation and paper and industrial refrigeration,food storage,precision control,food,commercial department stores,hotel buildings,agricultura fields,energy storage and other national key projects and commercial projects Medium.

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