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The Maxivent WTW air handling units with counterflow heat exchanger 4200 m³/h with hot water coil vertical right - PHE 4200 V WOJR T is a high-quality, robust, and advanced balanced ventilation unit with heat recovery, specifically designed for offices, clinics, and large commercial buildings. The air handling unit has a maximum airflow of 5270 m³/h and a thermal efficiency of 86%. The unit operates with a counterflow heat exchanger and EC fans and features 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 opened on the right side for maintenance.
The Maxivent WTW air handling units with counterflow heat exchanger 4200 m³/h with hot water coil vertical right - PHE 4200 V WOJR T are developed for large 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 the hot water coil, 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.
| Brand | Maxivent |
| Category | Maxivent PHE counterflow - top connection |
| GTIN | 8719544333216 |
| Manufacturer's item number | Maxivent PHE 4200 V WOJRT |
| Article number | 78010546 |
| Category code | 36 |
| Length | 2901 mm |
| Width | 1160 mm |
| Height | 1760 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 | 5270 m³/h |
| Type of heating coil | Hot water heat exchanger |
| Type of exhaust fan | Direct |
| Power consumption | 2.65 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 | 800 mm |
| Connection suction side | Rectangular |
| Nominal duct width, delivery side | 800 mm |
| Number of connections delivery side | 2 |
| Nominal duct height of suction end | 500 mm |
| Connection delivery side | Rectangular |
| Nominal duct height, delivery side | 500 mm |
| Number of connections suction side | 2 |
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