Lifebreath CONTROLAIR 15 200MAX - Manual (Page 16)

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Some models have a built-in dehumidistat (an
optional remote wall mount dehumidistat can be
installed, see Optional Remote Controls), to
control harmful, excess humidity
during the
heating season . The dehumidistat operates in
% of RH (relative humidity) with 80 being high
and 20 being low. The average person is
comfortable between 30-45%.
The dehumidistat will overide the ventilator to
high speed when the moisture level in the home
exceeds the set point on the control. Once the
humidity in the house is reduced, the HRV/ERV
will revert back to its previous setting.The
dehumidistat should be set to off for all seasons
except the heating season.
Note: If your HRV/ERV is equipped with an internal
and an external dehumidistat, the internal one can be
turned off and not used.
USING THE DEHUMIDISTAT
Internal Dehumidistat with External Control Knob