Seeoda Posted July 16, 2023 Share Posted July 16, 2023 Hi all, I have been some very heavy summer rains here and I find it triggers the boost mode of my Vent Axia Sentinel. Normally my home would be about 50-55% relative humidity but on very wet days it might be 60%, but I don't consider 60% inside excessive at all. While the the noise of the boost is disturbing my sleep. Any suggestions? Thanks. Link to comment Share on other sites More sharing options...
joe90 Posted July 16, 2023 Share Posted July 16, 2023 You can adjust the humidity settings , look on Utube. 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted July 16, 2023 Share Posted July 16, 2023 Failing that, you can ring VA directly and their tech support team will talk you through how to change the settings so you don't get unwanted boost 1 Link to comment Share on other sites More sharing options...
Seeoda Posted July 16, 2023 Author Share Posted July 16, 2023 Thanks Link to comment Share on other sites More sharing options...
Seeoda Posted July 20, 2023 Author Share Posted July 20, 2023 This process is proving very painful haha. I will be telling people to stay as far away from Venta Axia as possible. Such shoddy design, quality and customer service. Link to comment Share on other sites More sharing options...
dpmiller Posted July 20, 2023 Share Posted July 20, 2023 it's not rocket science, what are you having a problem with? Link to comment Share on other sites More sharing options...
Blooda Posted July 21, 2023 Share Posted July 21, 2023 (edited) What is your %age setting for Humidity ? Default is 70% Are you running at normal or low at night ? Edited July 21, 2023 by Blooda Link to comment Share on other sites More sharing options...
Seeoda Posted July 23, 2023 Author Share Posted July 23, 2023 (edited) I found it was set at 60% RH. Changed it to 68%. Edited July 23, 2023 by Seeoda Link to comment Share on other sites More sharing options...
Blooda Posted July 24, 2023 Share Posted July 24, 2023 15 hours ago, Seeoda said: I found it was set at 60% RH. Changed it to 68%. See how it goes, Think ours is 63%. Next time someone has a shower see if the boost still comes on. 1 Link to comment Share on other sites More sharing options...
Seeoda Posted July 27, 2023 Author Share Posted July 27, 2023 On 24/07/2023 at 10:53, Blooda said: See how it goes, Think ours is 63%. Next time someone has a shower see if the boost still comes on. It is already helping. Although last night it was very rainy and thus it ran on boast forcing me to turn off the whole system to get sleep. Link to comment Share on other sites More sharing options...
Andehh Posted July 28, 2023 Share Posted July 28, 2023 I changed our boost to 50% and left it at 60% humidity for now. I did/do have an issue where it randomly does full boost during the night, despite no settings calling for it... Remote digital display had a c3 showing when it did this which the VA tech team couldn't help with explaining why... Link to comment Share on other sites More sharing options...
Seeoda Posted July 28, 2023 Author Share Posted July 28, 2023 5 hours ago, Andehh said: I changed our boost to 50% and left it at 60% humidity for now. I did/do have an issue where it randomly does full boost during the night, despite no settings calling for it... Remote digital display had a c3 showing when it did this which the VA tech team couldn't help with explaining why... That is really interesting. I take it that your house is airtight enough not to be impacted by high outside humidity like mine seems to be. Link to comment Share on other sites More sharing options...
Andehh Posted July 28, 2023 Share Posted July 28, 2023 It's difficult to tell....as we have a lot of big sliders which we like to keep open. It only seems to occur middle of the night & always with a ' c3 ' displayed in bottom right hand corner which doesn't appear on any of the other boost modes..... 1 Link to comment Share on other sites More sharing options...
Blooda Posted July 31, 2023 Share Posted July 31, 2023 On 28/07/2023 at 16:35, Andehh said: It's difficult to tell....as we have a lot of big sliders which we like to keep open. It only seems to occur middle of the night & always with a ' c3 ' displayed in bottom right hand corner which doesn't appear on any of the other boost modes..... Are you sure it's "C3" or is the fishy looking symbol, which indicates humidity boost is on? 1 Link to comment Share on other sites More sharing options...
Andehh Posted August 1, 2023 Share Posted August 1, 2023 (edited) Thanks blooda, yeah...whikst bleary eyed a couple times in the middle of the night, I am sure it said c3. Edited August 1, 2023 by Andehh Link to comment Share on other sites More sharing options...
Blooda Posted August 1, 2023 Share Posted August 1, 2023 So - now we know it is the humidity control sensor. There are two ways the boost will come on [if you do not have an external sensor attached] - 1 is if the humidity increases above the set amount, the other is a sharp increase in humidity. So random questions, does anyone take showers in the night ? or does anyone Vape in the house, both may set off the boost. [Note:- I have no proof what so ever the vaping would set it off, it's only a theory] How's it been since you set it to 68% ? Link to comment Share on other sites More sharing options...
Eric Posted August 3, 2023 Share Posted August 3, 2023 I had the same with my vent axia unit, I found that the filters were getting wet with moist air being drawn in causing it to boost. I just increased the humidity until it stopped doing it, think it was high 60’s Link to comment Share on other sites More sharing options...
Andehh Posted August 4, 2023 Share Posted August 4, 2023 Ours has been fine, but our Humidity is set to 72% now, with boost 50% so it isn't so loud even when it does come on. My sleep is in a delicate place with project issues as is, so I've more or less parked this for now at a higher Humidity then I've liked as a temp solution until I can clear the next couple of weeks. I'll then have another go at playing with it to figure out what's going on. The annoying thing for us was everyone baths showers at 5-7ish, by bedtime Humidity has been cleared and reset to default mode..... Then 2 or 3am it's suddenly decided to full boost, with no obvious triggers. It was in muggy/warm days, so I can only think it's some form of night purge.. I just don't see any setting which controls it. Link to comment Share on other sites More sharing options...
Andehh Posted October 19, 2023 Share Posted October 19, 2023 (edited) Just bumping this, we have been fine last few weeks with a 65% humidity and system working fine.... however the last few days it is stubbornly staying at full boost due to humidity. We did have a lot of rain & wind last night, I think blowing in the direction of the vents. When I check the filter, the inlet does seem mildly damp....could this be triggering the boost?? Is it just a matter of waiting for it to dry out & return to normal? Edited October 19, 2023 by Andehh Link to comment Share on other sites More sharing options...
George Posted October 22, 2023 Share Posted October 22, 2023 Same happening here. I have a separate humidity sensor (pretty cheap off Amazon et al) to check. This year there has been high humidity but I believe this is because it's been very wet and warm. So all the mvhr is doing is pulling in warm wet air, which doesn't very effectively lower the relative humidity. You need a decent temperature difference (or absolute humidity difference) between inside and outside for the mvhr to lower relative humidity. If there isn't any condensation or a particularly damp feeling then I wouldn't worry too much. Link to comment Share on other sites More sharing options...
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