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| Place of Origin: | Beijing,China |
| Brand Name: | Holtop |
| Certification: | CE |
| Model Number: | HZN-50 & HFM-30HB1-DC+HFM-20HA1-DC |
Holtop DX Coil Air Handling Units (AHU) combine advanced DC inverter and constant-frequency DX outdoor units with high-performance indoor air handling units. Delivering cooling capacities from 10 to 20P, the system integrates multiple leading technologies to build a more powerful, stable and energy-efficient cooling solution.
Innovative noise-reduction technology minimizes the operating noise of both indoor and outdoor units, creating a quiet environment. The newly designed shell improves structural stability and delivers a cleaner, more professional appearance.
The Holtop DC DX Air Handling Unit family includes two series: DC Inverter DX air conditioner outdoor units and constant-frequency DX air conditioner outdoor units.
| 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) | 5,500 – 95,000 | 2,500 – 80,000 |
| 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 to 52 | 15 to 43 |
| Operating Range — Cooling: Indoor WB Temperature (°C) | 15 to 24 | 15 to 23 |
| Operating Range — Heating: Indoor DB Temperature (°C) | 15 to 27 | 10 to 27 |
| Operating Range — Heating: Outdoor WB Temperature (°C) | -20 to 27 | -10 to 15 |
Multiple heat exchanger options are available to meet different customer requirements: cross-flow total heat exchangers, cross-flow plate heat exchangers, or rotary heat exchangers.
High-efficiency haze removal: equipped with a high-efficiency filter element that effectively removes PM2.5 particles carried in the air, ensuring that 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 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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