© Corroventa Avfuktning AB
Radon and odour problems, negative pressure control
CTR 300TT2 has the capacity to vary the wet air volume and thereby the negative pressure in the
crawl space, which can be used to improve the radon conditions or relieve issues with bad odours
that penetrate the living accommodation from the crawl space. A patented solution that is applied to
the machine means that this can occur without affecting the dehumidifier's efficiency.
Wet air volume is varied using two dampers, one on the wet air side and one on the wet air side .
Wet air damper positions are marked 1 and 2 and dry air damper positions are marked A and B.
• In normal spaces, setting 1A is used.
• In the event of strong odour, 2A until the odour has gone and then 1A.
• For radon 2B.
The approximate wet air volumes that the different settings give can be read of the tables below.
Wet air volume m
3
/h
and 2 in
the event
and B in
the event