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The Maxivent WTW air handling units with counterflow heat exchanger 4200 m3/h with hot water coil vertical left - PHE 4200 V WOJL 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 rate of 5270 m³/h and a thermal efficiency of 86%. 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 installation and can be opened on the left side for maintenance.
The Maxivent WTW air handling units with counterflow heat exchanger 4200 m3/h with hot water coil vertical left - PHE 4200 V WOJL T are developed for large commercial spaces such as offices, meeting rooms, clinics, retail spaces, 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 that the indoor climate remains comfortable year-round, both in winter and during warm periods.
| Brand | Maxivent |
| Category | Maxivent PHE counterflow - top connection |
| GTIN | 8719544333209 |
| Manufacturer's item number | Maxivent PHE 4200 V WOJLT |
| Article number | 78010545 |
| Category code | 36 |
| Housing material | Steel |
| Surface protection housing | Continuously galvanised |
| Air volume, unloaded | 5270 m³/h |
| Supply filter according to ISO 16890-1:2016 | ISO ePM1 |
| Efficiency supply filter according to ISO 16890-1:2016 | 55 % |
| Heat recovery by | Counter current unit |
| With bypass | Yes |
| Type of cooling coil | None |
| Type of heating coil | Hot water heat exchanger |
| Change-over system | No |
| With humidifier | No |
| Type of supply fan | Direct |
| Exhaust filter according to ISO 16890-1:2016 | ISO ePM10 |
| Efficiency exhaust filter according to ISO 16890-1:2016 | 50 % |
| Type of exhaust fan | Direct |
| Connection voltage | 400 V |
| Power consumption | 2.65 kW |
| With thermal overload protection | Yes |
| Electrical connection | Terminals |
| Suitable for electronic control | Yes |
| Suitable for frequency control | No |
| Suitable for transformer control | No |
| Pole-reversible | No |
| External controller required | No |
| Frost protection circuit | Yes |
| Type of motor | Electronically commutated (EC) |
| Type of speed control | Continuously variable |
| Number of connections suction side | 2 |
| Connection suction side | Rectangular |
| Nominal duct height of suction end | 500 mm |
| Nominal duct width of suction end | 800 mm |
| Connection delivery side | Rectangular |
| Number of connections delivery side | 2 |
| Nominal duct height, delivery side | 500 mm |
| Nominal duct width, delivery side | 800 mm |
| Degree of protection (IP) | IP41 |
| Explosion safety | None |
| Max. air temperature | 40 °C |
| Height | 1760 mm |
| Width | 1160 mm |
| Length | 2901 mm |
| Device emplacement | Indoor positioning |
Item number: 65103953
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Item number: 78010546
