Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

Product Details
Customization: Available
After-sales Service: on-Line Support
Type: Air Handling Unit
Manufacturer/Factory & Trading Company

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  • Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)
  • Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)
  • Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)
  • Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)
  • Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)
  • Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)
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Basic Info.

Model NO.
HFM-5HA1+HZN-5KA1
Corrosion Durability
Higher
Operating Voltage
380/400 VAC
Noise Level
Ordinary
Application Fields
Industrial or Commercial HVAC Projects
Mounting
Ceiling Mount
Lifetime
10~15 years
Certification
ISO, CE, CCC
Condition
New
Refrigerant
R410A
Indoor Unit Airflow
2400/2000/1600CMH
Nominal Refrigerating Capacity
11.8 Kw
Nominal Heating Capacity
14.9 Kw
Power
380V/3pH/50Hz
E.S.P.
100PA
Transport Package
Wooden Box
Specification
DX coil
Trademark
Holtop
Origin
China

Product Description



DX Purification Type Heat Recovery  Air Handling Units
As essences of  Holtop AHU core technology, DX coil AHU provides both AHU and outdoor condensing unit. It's a flexible and typical solution for all building area, such as Mall, Office, Cinema, School etc.
 

 
Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

 

 Product Description

Combined with core technology of HOLTOP AHU, DX (Direct Expansion) coil AHU provide both AHU and outdoor condensing unit. It's an flexible and simple solution for all building area, such as mall, office,Cinema,School etc.

Long piping design
The pipe connection length between indoor unit and outdoor unit can reach 50m, and the maximum drop can reach 25m. The indoor unit and outdoor unit can be installed on site more flexibly.






Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

Efficient refrigerant heat exchange flow path

Efficient two-in-one refrigerant confluence technology improves the liquid phase flow rate of the refrigerant, improves the overall heat transfer coefficient of the heat exchanger, and improves supercooling and strengthens the refrigerant transmission distance.  







Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

High efficient heat exchange fins
The innovative high-efficiency low-pressure loss window fins are made of hydrophilic membrane aluminum, which can improve the heat transfer wet film heat transfer coefficient and improve the overall heat exchange performance of the unit.






Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

Comfort Control System

The wire controller is simple and convenient, flexible in application, and widely used in small and medium-sized office-level business spaces.  







Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

Functional control system

Building systems based on the MODBUS protocol can be directly connected to the centralized control system through the MODBUS communication interface standard on the unit, no need to access conversion equipment, and are suitable for large and mediumsized air-conditioning locations.

Dual Temperature Sensors

Innovative design with two temperature sensors, one at return vent, and one at the control panel, to detect the indoor temperature around the room, and make sure the hot wind(winter heating mode) would be sent to each corner of the room uniformly.

 

 





Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)
Control network topology diagram

Advanced silencing technology, More quiet and reliable operation







Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

High efficient heat exchanger

 

New U-shaped heat exchanger

As the core element of the refrigeration system, the heat exchanger directly determines whether the air conditioning system is reliable and energy-saving.
Holtop combined with many years of outdoor unit development experience and market demand, developed a new generation of U-shaped heat exchanger. Such advanced and efficient heat exchangers have made Holtop's HFM series highly efficient and energy-saving, and also meeting the Holtop Vision of "making air treatment more healthy and energy-saving".
The airflow of the fan is effectively used, and the heat exchange area is fully expanded without increasing the space of the unit, and the heat exchange efficiency is greatly improved.
Compact structure, high strength, more convenient for installation and maintenance.
The use of hydrophilic membrane aluminum fins improves the heat transfer wet film heat transfer coefficient and provides the overall heat transfer coefficient of the unit.

U-shaped heat exchanger structure

The copper tube adopts φ7.94 thread copper tube, the flow rate is moderate, and the comprehensive performance of heat exchange defrosting is optimal.
The distance between φ7 copper tubes is the smallest, the frost has a great influence on the heat transfer, and the frost layer is thick, which affects the
defrosting time.
The diameter of φ9.52 is large, the disturbance to the heat transfer boundary layer is small, and the heat transfer efficiency is low.







Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

Green Refrigerant

The Holtop HFM series SUSPENDED DX AIR HANDLING UNIT uses R410A as refrigerant, with zero ODP, to avoid damage to the ozone layer and at the same time, greatly improve cooling capacity.

Easy maintenance

The whole unit uses frameless foaming boards to construct, and self-tapping screws to connect these boards, making it very easy to be disassembled for maintenance.

High ESP Design - Easy Selection

The indoor unit generates a high ESP, making it possible to cover the whole area to avoid uneven distribution of temperature. Such feature makes solution and design much easier.

Wide Operation Temperature Range

Even at 15°C, the cooling function can be activated normally; Heating function can be activated at -10°C in winter. 






Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

Both return air and fresh air indoor units available

The HFM outdoor unit can work with both return air and fresh air Indoor unit, to meet different customers' needs.






Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)











Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

Compared with other centralized and semi-centralized air handling systems, the DX Coil Air Handling system layout is simpler and more flexible, so it is widely used in shopping malls, office buildings, apartments, theaters, schools and other places.

Company Information
Holtop Factory

Holtop is one of the best manufacturer in ERV/HRV, heat exchanger and AHU area in China, founded in 2002, areas covered more than 70,000 square meters, turnover of 2021 is 500+million dollars, we have enthalpy testing lab. for products test. As a leader in energy/heat recovery equipments, we cooperate with more than 30 famous companies who located in Europe, the Middle east, Korea, Southeast Asia, Taiwan, etc. supplied equipment to Shanghai Expo 2010, works together with domestic and international brands like Midea, Haier, Hitachi, etc.

 Holtop  Factory
Holtop Suspended Type Dx Coil Ahu, Air Handling Units, R410A Cooling, Heating (RA Type HFM-5HA1+HZN-5KA1)

 

Holtop partner

Holtop cooperate with world famous brand or offer OEM service including Hitachi, LG, McQuay, TRANE, Systemair, Aldes, York, Haier, Gree, MHI Group, Midea, Carrier, Dunham-Bush, etc.
 

Holtop certificate

Holtop products stand for TOP quality in heat recovery ventilation filed in China, certificated by CE, Eurovent, ISO and other different approved tests like anti-flaming test, anti-mold test, energy saving product test. Etc.

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