• EN
  • 5.1 Ventilation units for mixing ventilation LG-Z-M-LB and LG-ZUM-M-LB, for horizontal floor mounting

    Decentralized air conditioning via the building facade.
    To air condition office and administrative buildings having facades with floor-to-ceiling glazing, Krantz supplies ventilation units for raised floor mounting; they provide the required minimum percentage of outdoor air and remove the internal cooling and heating loads. The unit type LG-ZUM-M-LB has an additional function with recirculated air.

     

    Data

    Supply air volume flow rate 33 l/s [120 m3/h]
    Supply air temperature, summer

    18 °C (with outdoor air 32 °C / 40% relative humidity)

    Total cooling output: including 560 W
    – for cooling down 33 l/s [120 m3/h] of outdoor air 240 W
    – for cooling a room with tR = 26 °C 320 W
    Chilled water temperature 15 / 17 °C
    Supply air temperature, winter 34 °C (with outdoor air –12 °C)
    Total heating Output: including 1 840 W
    – for heating up 33 l/s [120 m3/h]
    tR = 22 °C of outdoor air
    1 360 W
    – for room heating with tR = 22 °C 480 W
    Hot water temperature 50 / 40 °C
    Control signal for fan speed 0 – 10 V DC
    Effective power of fan 20 W (for volume flow rate = 33 l/s [120 m³/h])
    Operating voltage 230 V / 50 Hz

    Features 

    • Outdoor air intake directly through the facade; return air extraction via central system
    • Cooling and heating via air-to-water heat exchanger
    • Cooling with outdoor air (free cooling)
    • Mixing & displacement ventilation close to facade
    • Energy-efficient EC radial-flow fan
    • F7 class filtration of outdoor air

    Service & Downloads

    Your contact person

    Luciana Heim

    International Sales & Business Development

    T +49 241 441 581

    M +49 162 170 2471

    sales@krantz.de