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VENTS VUT H with EC motor air handling units with heat recovery

VENTS VUT H with EC motor air handling units with heat recovery

Heat recovery air handling units in heat- and sound-insulated casing with air capacity up to 810 m3/h and heat recovery efficiency up to 98%. 

Voltage / frequency:


Products in this series (4)

    • VUT 300-1 H ЕС

      VUT 300-1 H ЕС

      Maximum capacity - 300 m3/h.

      VUT 300-2 H ЕС

      VUT 300-2 H ЕС

      Maximum capacity - 300 m3/h.

      VUT 400 H ЕС

      VUT 400 H ЕС

      Maximum capacity - 400 m3/h.

      VUT 800 H ЕС

      VUT 800 H ЕС

      Maximum capacity - 810 m3/h.

    Series   Rated air capacity [m3/h]   Duct connection   Motor type   Control
      300; 400; 800   H – horizontal   EC synchronous electronically commutated motor   _ – A2 (R-1/010) speed controller;
    COMFO – 
    A6 control panel with LCD display.

    The air handling unit VUT H EC is the fully-featured ventilation unit that ensures air filtration, fresh air supply and stale air extract.

    The thermal heat energy contained in extract air is transferred to supply air through the plate heat exchanger.

    The units is suitable for integration into various ventilation and air conditioning networks.

    Due to applied EC motors the unit energy demand is decreased by 1.5-3 times and noise level is lowered as well.

    Unit design:


    Made of zinc aluminum, internally filled with 25 mm mineral wool heat- and sound-insulating layer.


    Supply and extract air flows are purified through two panel filters with filtering class G4. Optionally a supply F7 filter may be installed.


    High-efficient electronically commutated (EC) external rotor motor. This motor design is the most state-of-the-art energy saving solution.

    EC motors are featured with high performance and total speed controllable range. High efficiency reaching 90% is the premium advantage of the electronically-commutated motors.

    The VUT 300 H EC and 400 H EC units are equipped with constant flow fans with forward curved impeller blades. This fan design ensures set air flow that remains constant even at variable ventilation system resistance, for example, in case of filter clogging. The VUT 800 H EC unit is equipped with backward curved blades.

    Heat exchanger

    The counter-flow heat exchanger is made of polystyrene plates. Whenever heat recovery is not required the heat exchanger block can be easily replaced by a “summer” block.

    The unit is equipped with a drain pan for condensate water drainage and removal as well as a built-in freezing protection system to prevent the heat exchanger freezing.

    Its operating principle is based on switching the supply fan off as the temperature sensor requires. Warm extract air warms up the heat exchanger. After the heat exchanger freezing danger is not longer imminent, the supply fan switches on and the unit reverts to the set operation mode.


    Two control system types are available:

    • The VUT H EC modification is equipped with А2 (R-1/010) speed controller with the control signal 0-10 V.

    • The VUT H EC Comfo is equipped with a controller, A6 control panel with LCD display and a wireless remote controller.

    VUT H EC Comfo automation functions:

    • Turning the unit on/off;
    • Three fan speeds, each of those is adjustable for the supply and extract fan;
    • Terminal for air damper connection;
    • Input for alarm signal from the fire fighting system.
    • Relay input for connection of a CO2 / humidity / IAQ or any other sensor that switches the unit to maximum speed;
    • Filter clogging control by motor hours;
    • Unit week schedule setting.

    Air handling unit accessories:
    SF VL

    Type G4 replaceable filter F7 replaceable filter Summer block
    VUT 300-1 H EC SF VUT 300 H EC G4 SF VUT 300 H EC F7 VL VUT 300 H EC
    VUT 300-2 H ЕС
    VUT 400 H ЕС SF VUT 400 H EC G4 SF VUT 400 H EC F7 VL VUT 400 H EC
    VUT 800 H ЕС SF VUT 800 H EC G4 SF VUT 800 H EC F7 VL VUT 800 H EC


    The unit is designed for wall mounting with a wall bracket, installation on the floor or suspended ceiling mounting.

    Any mounting position must enable condensate drainage and removal.

    The filters are accessible for servicing and cleaning through the service panel that must be installed during the mounting stage on the left or on the right side along the supply air flow path.

    Application examples:


    Please, feel free to contact us.


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