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Maxivent WTW Air Handling Units with Counterflow Heat Exchanger 2800 m³/h with Horizontal Left Hot Water Coil - PHE 2800 H WOJL
The Maxivent WTW air handling units with counterflow heat exchanger 2800 m³/h featuring a horizontal left hot water coil - PHE 2800 H WOJL is a high-quality, robust, and advanced balanced ventilation unit with heat recovery, specifically designed for offices, medical practices, and small to medium-sized commercial buildings. The air handling unit has a maximum airflow rate of 3440 m³/h and a thermal efficiency of 84%. The unit operates with a counterflow heat exchanger and EC fans, and is equipped with a hot water coil that heats the supply air to the desired temperature and helps prevent frost formation in the heat exchanger. The air handling unit is designed for floor mounting and can be accessed from the left side for maintenance.
Benefits and Features
- Hot Water Coil: Provides efficient and even heating of the supply air by utilising hot water from a central heating system or heat pump, resulting in a comfortable indoor climate and energy-efficient heat transfer.
- EC Fans: Direct-driven EC plug fans with high-efficiency electronic commutation (EC) offer an energy-saving and quiet solution with low electricity consumption.
- Counterflow Heat Exchanger: The integrated, efficient counterflow heat exchanger recovers 84% of the thermal energy from the exhaust air without mixing air streams.
- Panel Filter F7/M5: Ensures a high level of filtration of dust particles and contaminants from the outdoor air, contributing to a healthy and comfortable indoor climate and protecting internal components.
- Automatic Summer Bypass: Enables summer and night cooling by supplying cool outdoor air directly without warming it via the heat exchanger.
- Plug-and-Play Control: The air handling unit comes complete with built-in controls for all functions, allowing for quick and easy installation and commissioning without additional control technology.
Applications and Usage
The Maxivent WTW air handling units with counterflow heat exchanger 2800 m³/h with horizontal left hot water coil - PHE 2800 H WOJL are designed for small to medium-sized commercial spaces such as offices, meeting rooms, medical practices, retail outlets, and educational or healthcare environments. Thanks to the combination of heat recovery, EC fans, and the hot water coil, the unit delivers stable and energy-efficient ventilation, even at low outdoor temperatures. The integrated control and summer bypass ensure a comfortable indoor climate throughout the year, both in winter and during warm periods.
Customising the WTW Unit
Interested in a customised model or want to learn more about the options? Please contact our sales department. They will be happy to assist you and help you configure the ideal unit for your specific requirements.
| Brand | Maxivent |
| Category | Maxivent PHE Counterflow - Side Connection |
| GTIN | 8719544341457 |
| Manufacturer's item number | 78010649 |
| Article number | 78010649 |
Specifications
| Category code | 36 |
| Length | 2400 mm |
| Width | 869 mm |
| Height | 1245 mm |
| Housing material | Steel |
| Heat recovery by | Counter current unit |
| Electrical connection | Terminals |
| Type of motor | Electronically commutated (EC) |
| Efficiency supply filter according to ISO 16890-1:2016 | 55 % |
| Degree of protection (IP) | IP41 |
| Efficiency exhaust filter according to ISO 16890-1:2016 | 50 % |
| With bypass | Yes |
| Supply filter according to ISO 16890-1:2016 | ISO ePM1 |
| Exhaust filter according to ISO 16890-1:2016 | ISO ePM10 |
| Connection voltage | 400 V |
| Surface protection housing | Continuously galvanised |
| External controller required | No |
| Device emplacement | Indoor positioning |
| With thermal overload protection | Yes |
| Type of speed control | Continuously variable |
| Air volume, unloaded | 2631.6 m³/h |
| Type of heating coil | Hot water heat exchanger |
| Type of exhaust fan | Direct |
| Power consumption | 1.35 kW |
| Suitable for frequency control | No |
| Frost protection circuit | Yes |
| Pole-reversible | No |
| Explosion safety | None |
| Type of cooling coil | None |
| Suitable for transformer control | No |
| Suitable for electronic control | Yes |
| Type of supply fan | Direct |
| Max. air temperature | 40 °C |
| Change-over system | No |
| With humidifier | No |
| Nominal duct width of suction end | 600 mm |
| Connection suction side | Rectangular |
| Nominal duct width, delivery side | 600 mm |
| Number of connections delivery side | 2 |
| Nominal duct height of suction end | 400 mm |
| Connection delivery side | Rectangular |
| Nominal duct height, delivery side | 400 mm |
| Number of connections suction side | 2 |
