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Features
with respect to the humidifier’s
capability.
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Humidity RHumidity R
Humidity RHumidity R
Humidity R
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This feature automatically lowers
humidity when the outside temperature
drops. This is to prevent the interior
windows/walls from reaching the dew
point where water condenses on
surfaces. To achieve automatic
humidity reduction, the thermostat
lowers the humidity when furnace
cycles are long. When the furnace runs
shorter cycles, it increases humidity.
For suggested settings see table below.
Humidifier ControlHumidifier Control
Humidifier ControlHumidifier Control
Humidifier Control
and Monitoringand Monitoring
and Monitoringand Monitoring
and Monitoring
When humidity key is pressed in the
run mode the actual humidity will be
displayed on the left side of the
display. HUMD is displayed above the
actual humidity. The humidity set
point is displayed on the right side of
the display.
or key may be pressed to
modify the humidity set point.
Maximum displayed humidity is 80%
RH and minimum displayed humidity
is 10% RH. If the heating system is
operating and there is a demand for
humidity, then the humidifier will
operate.
If the demand for humidity is not
satisfied for ten consecutive heat cycle
operations, the display will show the
word HUMD for one second and the
word MX for one second signaling
maximum possible humidity is reached
If your window insulation is poor, you
need high humidity reduction. If your
window insulation is good, you need
low humidity reduction (factory
setting).
To adjust this feature, refer to the
CONFIGURATION section (page 19,
step 15). Selection of 0 will cancel this
feature.
HI Poorly insulated homes or homes with a lot of condensation on
windows/walls
0 Factory default – no humidity reduction
LO Well insulated homes requiring little humidity reduction