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WATER PANEL CHANGE INDICATOR (MODEL 60 ONLY)
The control keeps track of humidifier operation time. The yellow
“Change Water Panel” light flashes after a preset amount of
running time has elapsed. This running time is preset by the
installer based on the humidifier model and water hardness.
Refer to the Annual Maintenance section for instructions on
changing the Water Panel or call your heating and air
conditioning dealer for service. After the Water Panel is
replaced, turn the Control knob to the “Test/Reset” position until
the green “Humidifier ON” light flashes, to reset the Water Panel
change timer.
TEST/RESET
The Test/Reset feature allows the humidifier operation to be
checked even if there is no call for humidity. See “Check the
Humidifier Operation” on page 11.
See Table 1 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.
TABLE 1 – Outdoor Temperature/Indoor Relative Humidity
Outside Temperature Recommended RH
+40°F 45%
+30°F 40%
+20°F 35%
+10°F 30%
0°F 25%
-10°F 20%
-20°F 15%