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MANUAL MODE
FIgURE 3 – Manual Mode
When installed in the Manual Mode (see Figure 3 – internal switch in "MAN"
position and "M" in the display), it is important to anticipate a drop in outdoor
temperature and reduce the setting accordingly to avoid excessive condensation .
For example, with an outdoor temperature of 20°F the recommended setting will
be 35% . If the temperature is expected to fall to 0°F that evening, then merely
reduce the setting to 25% several hours prior to the temperature change .
See Table 4 for the recommended settings . These settings, which are based
on years of research, represent a compromise between humidity levels that
would be most desirable for comfort and humidity levels that are suitable
for protection of your home and to avoid condensation on your windows . For
example, a wintertime indoor humidity of 50% may be considered ideal for
comfort, but unfortunately, it probably would result in condensation, which
can cause damage to your home . Observing the recommended humidity
levels on your Humidifier Control is an important safeguard . Condensation
of water on the inside surface of windows in the form of fogging or frost
is usually an indication of too much humidity . This same condensation can
occur in other areas in your home, possibly resulting in damage .
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TABLE 4 – Outdoor Temperature and Recommended Indoor RH Setting
Outdoor Temperature
TEST/RESET
The Test/Reset feature allows the humidifier operation to be checked even
90-1236B
if there is no call for humidity . See "Check the Humidifier Operation" .
CHECk THE HUMIDIFIER OPERATION
DIgITAL HUMIDIFIER CONTROL
Set the knob to "Test/Reset", make sure that the water saddle valve is
open and that the humidifier is on . The HVAC fan must be running for the
humidifier to function . The humidifier will only operate for 1 minute in test
mode . Reduce the Humidifier Control setting to the recommended inside
humidity, depending on the outside temperature . DO NOT LEAVE IN
TEST MODE AS HUMIDIFIER wILL NOT OPERATE.
Recommended Indoor RH Setting
+40°F
+30°F
+20°F
+10°F
0°F
-10°F
-20°F
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45%
40%
35%
30%
25%
20%
15%
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