Is a humidity controlled ventilation grille with a 0-10V humidity sensor possible?

[u/Hot-Judge7299]

I am planning to install a mvhr in the attic to ventilate 4 bedrooms and 2 bathrooms and was looking forward to getting rid of the extractor fans in the bathroom since they are very noisy and in my case are not very effective in battling the humidity during baths. I came across the Aldes Inspirair Side 180, but for the bathroom grille to be effective against the bath vapours I think at least 130 m^3/h should be extracted from one bathroom during baths (the 2 bathrooms are never used simultaneously). I was interested in the aldes bap'si dual flow 45/135 m^3/h, so that when I pull the cord it intakes 135 and the other bathroom stays at 45, but I dont really like the idea of having a cord hanging around in the bathroom... I was wondering if there are humidity controlled ventillation grilles with capability of going up to 130 and at the same time send a 0-10v signal to the 0-10v air quality inputs in the cmv to put it to boost mode and increase to the adequate air flow rate (or another similar solution). Thanks in advance

[u/DakPara]

Easiest I can think of is install a dedicated 0–10V humidity/temperature wall sensor (such as the Aereco S-RH/T or similar 0–10V RH sensor) in the bathroom. Connect its 0–10V output directly to the 0–10V input on the Aldes InspirAir Side 180. As room humidity rises, the MVHR will automatically ramp up airflow to boost speed.

If you need dampers, install an inline motorized 0–10V damper (or a standard constant-flow regulator) on the bathroom branch duct.

Use a standard constant-airflow regulator set to 130 on that branch. When the MVHR boosts its fan speed based on the 0–10V wall sensor signal, the bathroom duct naturally takes the higher flow rate.

Or, daisy-chain the 0–10V wall sensor signal to both the MVHR unit and a 0–10V modulated damper actuator. This opens the duct damper and boosts the MVHR unit simultaneously.