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| Place of Origin: | Beijing,China |
| Brand Name: | Holtop |
| Certification: | CE |
| Model Number: | HZN-70 & HFM-60HB1-DC+HFM-10HA1-DC |
The HZN-70 and HFM-60HB1-DC + HFM-10HA1-DC DX coil air handling units are engineered to deliver stable cooling, quiet operation, and enhanced durability for HVAC systems. Built on a series of leading technologies, they form a more powerful, stable, and efficient cooling solution.
Holtop DC DX air handling units include two series: the DC inverter DX air conditioner outdoor unit and the constant frequency DX air conditioner outdoor unit. The DC inverter DX AHU offers a capacity range of 10–20P, while the constant frequency DX AHU covers 5–18P.
Building on the constant frequency DX AHU, the newly developed DC inverter DX AHU adopts enhanced vapor injection technology, opening a new era of low-temperature heating. The redesigned air-conditioning system and self-developed control program give full play to product performance and bring users a more comfortable air-conditioning experience.
| Item / Series | DC Inverter Series | Constant Frequency Series |
|---|---|---|
| Cooling capacity (kW) | 25 – 509 | 12 – 420 |
| Heating capacity (kW) | 28 – 569 | 18 – 480 |
| Airflow (m³/h) | 5500 – 95000 | 2500 – 80000 |
| Frequency range of compressor (Hz) | 20 – 120 | / |
| Max. length of pipe (m) | 70 | 50 |
| Max. drop (m) | 25 | 25 |
| Operating range — Cooling: outdoor DB temperature (°C) | -5 – 52 | 15 – 43 |
| Operating range — Cooling: indoor WB temperature (°C) | 15 – 24 | 15 – 23 |
| Operating range — Heating: indoor DB temperature (°C) | 15 – 27 | 10 – 27 |
| Operating range — Heating: outdoor WB temperature (°C) | -20 – 27 | -10 – 15 |
Cross-flow total heat exchangers, cross-flow plate heat exchangers, or rotary heat exchangers are available to meet different customer requirements.
High-efficiency haze removal: equipped with a high-efficiency filter element that effectively removes PM2.5 particles carried in the air, ensuring the outdoor air entering the indoor space is clean.
The indoor unit can be fitted with a formaldehyde removal module that effectively filters and decomposes formaldehyde molecules. Combined with the replacement and dilution effect of the heat exchangers and filters, this provides double formaldehyde removal.
This AHU brings fresh outdoor air into the room. By increasing oxygen concentration, reducing carbon dioxide, and removing odors and other harmful gases, indoor air quality is greatly improved.
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