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Maxivent WTW Air Handling Units with Counterflow Heat Exchanger 3500 m³/h with Left Electric Heater - PHE 3500 F EOJL
The Maxivent WTW air handling units with counterflow heat exchanger 3500 m³/h with left electric heater - PHE 3500 F EOJL is a high-quality, robust, and advanced balanced ventilation unit with heat recovery, specially designed for offices, clinics, and small to medium-sized commercial buildings. The AHU has a maximum airflow of 4450 m³/h and a thermal efficiency of 85%. The unit operates with a counterflow heat exchanger and EC fans and is equipped with an electric heater that ensures a stable and constant supply air temperature and prevents frost formation in the heat exchanger. The air handling unit is designed for ceiling installation and can be opened from the bottom for maintenance.
Benefits and Features
- Electric Heater: Integrated electric reheating prevents cold drafts and ensures a comfortable and stable supply air temperature, without the need for a hot water connection.
- EC Fans: Direct-driven EC plug fans with high-efficiency electronic commutation (EC) provide an energy-efficient and quiet solution with low electricity consumption.
- Counterflow Heat Exchanger: The integrated, efficient counterflow heat exchanger recovers 85% 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 pollutants from 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 in the heat exchanger.
- Plug-and-Play Control: The air handling unit is delivered complete with built-in control for all functions, making installation and commissioning quick and straightforward without extra control technology.
Applications and Usage
The Maxivent WTW air handling units with counterflow heat exchanger 3500 m³/h with left electric heater - PHE 3500 F EOJL are developed for small to medium-sized commercial spaces such as offices, meeting rooms, clinics, retail stores, and educational or healthcare environments. Thanks to the combination of heat recovery, EC fans, and electric heating, the unit provides stable and energy-efficient ventilation, even at low outdoor temperatures. The integrated control and summer bypass ensure the indoor climate remains comfortable throughout the year, both in winter and during warm periods.
Customising the WTW Unit
Are you interested in a customised model and want to learn more about the options? Please contact our sales department. They will be happy to assist you in designing the ideal unit for your specific situation.
| Brand | Maxivent |
| Category | Maxivent PHE Ceiling Units |
| GTIN | 8719544341969 |
| Manufacturer's item number | 78010700 |
| Article number | 78010700 |
Specifications
| Category code | 36 |
| Length | 2400 mm |
| Width | 1820 mm |
| Height | 660 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 | 2930.4 m³/h |
| Type of heating coil | Electrical heating element |
| Type of exhaust fan | Direct |
| Power consumption | 1.45 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 | 700 mm |
| Connection suction side | Rectangular |
| Nominal duct width, delivery side | 700 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 |
