Hello,
a quick question regarding the ventilation profiles in ventilation systems with heat recovery, as my profiles seem very strange to me:
We built our house two years ago, and I recently found out that the Vallo Plus can also be "read out" via an internet connection. I found the following values in the ventilation profiles.
When present:
Fan power: 17%
Supply air: 15 degrees Celsius (59°F)
Humidity: 69%
Heat exchanger status: bypass
When absent:
Fan power: 30%
Supply air: 15 degrees Celsius (59°F)
Humidity: 69%
Heat exchanger status: bypass
The supply air cannot really be 15 degrees, can it? Shouldn't it be higher?
Thank you very much for your information
a quick question regarding the ventilation profiles in ventilation systems with heat recovery, as my profiles seem very strange to me:
We built our house two years ago, and I recently found out that the Vallo Plus can also be "read out" via an internet connection. I found the following values in the ventilation profiles.
When present:
Fan power: 17%
Supply air: 15 degrees Celsius (59°F)
Humidity: 69%
Heat exchanger status: bypass
When absent:
Fan power: 30%
Supply air: 15 degrees Celsius (59°F)
Humidity: 69%
Heat exchanger status: bypass
The supply air cannot really be 15 degrees, can it? Shouldn't it be higher?
Thank you very much for your information
S
Strahleman30 Aug 2021 14:01Missiman schrieb:
The supply air can't really be 15 degrees, right? Shouldn't it be higher? It should be, but unfortunately, the summer of 2021 behaved more like a wish than reality.
Your heat exchanger is set to bypass, meaning the heat from the exhaust air is not transferred to the cooler supply air. So, you are basically bringing in pure outdoor air, which here has hardly been above 15-20°C (59-68°F) in the last few days. At least for the German climate, the reading makes sense.
Strahleman schrieb:
It should be, but unfortunately, summer in 2021 seems to have been ordered from Wish.
Your heat exchanger is set to bypass, which means the heat from the exhaust air is not transferred to the cooler supply air. As a result, pure outside air is coming into your house, and here it has roughly been no warmer than 15-20°C (59-68°F) in the last few days. So at least for Germany, the reading is accurate. That is exactly what I don’t understand. Why isn’t the heat from the exhaust air transferred to the supply air? It would be better if not 16 degrees but 20 degrees were blown in. With my ventilation system, I can actually regulate the supply air temperature. The controller is set to 15 degrees.
Why is it set to 15 degrees there? I’m not familiar with Vallox, but to me, this seems like a desired supply air temperature that controls the bypass. This means that if the outside air is already at the desired temperature, as it is currently, the bypass is activated to avoid warming it up—otherwise, the air would be warmer than your desired temperature.
Try setting it to 22 degrees instead. Does the bypass then open and the supply air get more heated by the exhaust air?
Try setting it to 22 degrees instead. Does the bypass then open and the supply air get more heated by the exhaust air?
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