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| Place of Origin: | Beijing,China |
| Brand Name: | Holtop |
| Certification: | CE |
| Model Number: | HZN-40 & HFM-30HB1-DC+HFM-10HA1-DC |
Holtop DX Coil Air Handling Units (AHU) integrate multiple leading technologies to deliver a more powerful, stable and energy-efficient cooling system. Innovative noise-reduction technology minimizes the operating noise of both indoor and outdoor units, creating a quiet environment. The newly designed shell improves both structural stability and appearance.
The Holtop DC DX Air Handling Unit range includes 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 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 maximize product performance and deliver 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 |
| Indoor WB temperature (°C) | 15 – 24 | 15 – 23 |
| Operating Range — Heating | ||
| Indoor DB temperature (°C) | 15 – 27 | 10 – 27 |
| 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 room 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 delivers 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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