FAQ ISQ-V

Has anyone else had the same question(s) as you? Check here to read our most common ones. Can't find the answer? Please get in touch with our  support.

  • What sensors are avaialble and what are their functions?
    Sensors in ISQ-V:
    • Standard: Room temperature, Duct temperature, Presence (PIR), Lux, Air flow, Duct pressure (calculated), Opening degree of the valve, Engine power
    • Options in a plug-in module: Carbon dioxide, Relative humidity, Dew point
    • External via the I2C bus: Sound level meter for placement in suspended ceilings, Particle meter (PM1.0, PM2.5, PM4.0 and PM10). ETA 2022.

     

    Most sensors are used for their obvious purpose but also for caluculating important data.
    • Added cooling effect (heating effect in case of overheated air) in the room
    • Heating effect in the room via radiator - calculated using the estimated effect on the radiator multiplied by output signal in%.
    • Number of people in the room - calculated using built-in sensors (+/- 15%) in accuracy with about 15 min delay
    • The room occupancy rate and usage pattern - with a presence detector and personal counter, data together with communication with the room's booking system can be compiled to get a complete analysis of how many people usually use the room and how it is booked. This is an important basis for decision-making for continuous evaluation of how the premises are used in the best way
  • Are all sensors as effective in the diffusers as when mounted on the wall?
    The placement of sensors in the diffuser eliminates installation cost and increases room flexibility. It is also the best placement for several reasons. When air flows in along the suspended ceiling, an upward air flow is created with air under the diffuser which creates a relevant measuring point for the built-in sensors.

     

    • Temperature sensor - measuring temperature on the wall requires long time constants because it shows correctly only when the wall has the same temperature as the room. It is not uncommon for time constants up to 30 minutes to do this. The measurement in the device has a time constant of about 5 min. The temperature gradient from 1.2 m to 2.4 m in height is about 0.3 degrees, which is significantly less than the difference between the person and the normal position of a room sensor on the wall by the door, especially if the door is open.
    • Presence sensor - has an advantageous location compared to the wall as it registers everything from above and is not blocked by furniture, plants or the like.
    • Carbon dioxide and humidity - measures the room air through one of the larger grooves in the plate. The sensor is placed under a hermetic cover so that it is not affected by the fresh air in the box
  • Why Bluetooth® and what is it's purpose?

    Bluetooth® communicates on the 2.4 GHz band and is only used for peer to peer communication - not for mesh functionality, ie as a communication path between supply air device and server. This to not interfere with other functions on 2.4 GHz such as wifi. Bluetooth® is a cost-effective communication option that many products use. Features to use with Bluetooth®:

    • Commissioning with the app LINDINSIDE - connected commissioning tool.
    • Beacons for indoor positioning with 3rd party app. These can also be used for "People & Asset tracking". The advantage of using our beacons is that they have a power supply. We can very easily activate or deactivate the Beacon functionality. There will be a separate information page about this shortly.
    • Controlled electrical outlets - Bluetooth® electrical outlets that are connected to the presence detector in the room to minimize electricity consumption when the room is empty. (ETA 2022)
    • Window contact - Bluetooth® magnetic contact that sends a message to the device that the window is open, the device then stops cooling / heating the room. Can also be used as alarm function. (ETA 2022)

     

    Bluetooth® functions can be fully deactivated  after commissioning the system if needed/desired.

     

ISQ-V - Active wall supply air diffuser

 

NB -The documentation to this product is currently only availble in  Swedish. Please contact us for specifics in english.

ISQ-V is a wall-mounted active supply air diffuser for demand-controlled ventilation intended for vertical wall mounting. The diffuser is designed to individually or in collaboration with several diffusres deliver air volumes that vary with the activity level or other climatic factors in individual rooms. Demand-controlled ventilation minimizes energy use and creates an optimal indoor climate where it is needed.

ISQ-V is part of Lindinvent's product program INSQAIR®, a generation of supply air diffusers with accessories that are launched with Bluetooth® functionality and a range of technical solutions that further increase the usability and performance of Lindinvent's climate control system.

The development has focused on simplicity at all levels but also maximum flexibility and digitization. With sensors and integrated Bluetooth®, the ISQ-V is a smart and quiet wall air diffuser that equips the property for future sustainable requirements.

ISQ-V (The short version):
  • A complete & flexible climate control for offices, care rooms and schools with limited ceiling height.
  • Supply air diffuser with built-in room regulator and motorised air flow valve.
  • Built-in sensors.
  • Equipped with patented airflow control which provides exceptional low noise level.
  • Works with highly sub-temperate supply air over the entire flow interval without causing drafts.
  • Bluetooth® for, among other things, access via mobile application LINDINSIDE.

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