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Monoblock air handling units AVU series

Monoblock air handling units AVU series

Air handling unit with a rotary regenerator, air capacity up to 3000 m3/h and heat recovery efficiency up to 65%.

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Products in this series (4)

    • AVU 03/SE/R

      AVU 03/SE/R

      Maximum capacity - 3000 m3/h.

      AVU 03/SE/R/H

      AVU 03/SE/R/H

      Maximum capacity - 3000 m3/h.

      AVU 03/SE/R/О

      AVU 03/SE/R/О

      Maximum capacity - 3000 m3/h.

      AVU 03/SE/R/ОH

      AVU 03/SE/R/ОH

      Maximum capacity - 3000 m3/h.

    Series   Rated air capacity [m3/h]   Heat exchanger   Function block
    VENTS AVU   03 - 3000 m3/h   SE/R - rotary regenerator, inner modification;
    SE/R /О - rotary regenerator, outer
    modification.
      H - water heater
    Description

    The AVU 03 air handling unit is a fully-featured ventilation unit that ensures air filtration, fresh air supply and stale air extract. Extract air heat energy is recovered by a rotary regenerator. The unit is applied as component of ventilation and air conditioning networks for various premises requiring cost-efficient controllable ventilation. Integrated EC motors provide energy demand decrease by 1.5 to 3 times and ensure low noise level. The AVU air handling unit series is expected to be supplemented with AVU 05, AVU 07, AVU 09, AVU 11 and AVU 14 models with air capacity up to 14 000 m3/h.

    Modifications

    AVU 03/SE/R – inner modification model.
    AVU 03/SE/R/H – inner modification model, water heater.
    AVU 03/SE/R/О – outer modification model.
    AVU 03/SE/R/ОH – outer modification model, water heater.

    Casing

    The casing is made of sandwich panels, 25 mm thick for inner modifications and 50 mm thick for outer modifications.

    The aluzink panels are filled with mineral wool between for reliable sound- and heat insulation. Specially designed swivel side panels of the unit ensure easy access to the unit components and enable the unit mounting in limited service space conditions.

    The supply and exhaust air ducts are fitted with electrically actuated air dampers. The outer models are equipped with protecting hoods for fresh air intake and stale air exhaust.

    Filters

    The unit has two filters, a G4 panel filter and a F7 bag filter. Extract air is purified with a G4 panel filter.

    Motor

    High-efficient electronically-commutated direct current motors with external motor and impeller with backward curved blades. Such motors are 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 electronicallycommutated motors.

    Rotary regenerator

    Rotary regenerator is a rotating short cylinder filled with corrugated aluminium panels that are laid to enable supply and air streams flow through it. While rotating, the aluminium band inside the regenerator comes in contact first with exhaust and then with supply air flow. So the aluminium band in heated and cooled down in turns and this way the heat and moisture from warm extract air flow is transferred to cold intake air flow.

    As compared to plate heat exchangers, advantages of the rotary regenerator include the ability to maintain comfortable air humidity and extremely low freezing danger of the regenerator, which is nearly excluded in case of rated temperature and humidity conditions.

    Rotary regenerator operating logic

    Heater

    The unit AVU 03/...H is equipped with a water heater for the unit operating conditions at low outside temperatures.

    If set supply air temperature is not be attained with heat recovery only, the heater is turned on to warm up air flow supplied to the room.

    The water heater is compatible with the systems with maximum operating pressure 1.0 Mpa (10 bar) and maximum heat medium temperature + 95 °С.

    Cooler

    The unit has connection possibilities for a water cooling block (C3 / AVU 03, special accessory) or DX cooling block (DX3 / AVU 03, special accessory). These blocks are available in outer and inner modifications with a panel width 50 or 25 mm respectively.

    Control and automation

    The unit is equipped with integrated automation.

    Automation functions:
    • turning the unit on/off according to set control logic;
    • setting supply air temperature and air flow from the remote control panel;
    • actuating air dampers;
    • filter control with a differential pressure switch;
    • supply and control and regulation by actuating the heat medium regulating three-way valve;
    • circulation pump control and regulation;
    • water heater freezing protection by the temperature sensor downstream of the water heater and the return medium thermostat.
    Mounting

    The unit is designed for mounting on a horizontal surface. Access for servicing through side panels.

    E-mail

    Please, feel free to contact us.

    support@vents.ua

    Phohe

    Customer service.

    +380 44 406 36 25

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