Lennox L7742U Programming And Application Manual page 19

USER SETTINGS
BASIC & PRECISION if set up by the installer settings for BASIC or
PRECISION, this adjustment controls the relative humidity (RH) be-
tween 15 and 45%.
Scroll to HUMIDITY SETTINGS; press ENTER. Press the box below
HUMIDIFY.
HUMIDITY SETTINGS
HUMIDIFY DEHUMIDIFY
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Use up/down arrows to change the humidity setpoint (between 15 and
45%); press SAVE.
HUM SETPOINT 45%
DEFAULT (45%) 4O%
DEWPOINT if set up by the installer settings for DEWPOINT, this ad-
justment (only when in heating mode) will change the humidification
setpoint based on the outdoor temperature and a user−defined dew
point adjustment setting. When humidifying, if condensation forms on
the windows, the dewpoint should be adjusted in the range of −15 to
−5%; if the home feels dry, set dewpoint upward in the range of +5 to
+15%.
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Scroll to HUMIDITY SETTINGS; press ENTER. Press the box below
HUMIDIFY.
HUMIDITY SETTINGS
HUMIDIFY DEHUMIDIFY
|
Use up/down arrows to change the dewpoint (between +15 and −15%);
press SAVE.
DEW POINT ADJ
DEFAULT (O%)
NOTE − Dewpoint adj available only when outdoor sensor is attached.
OFF if OFF selected in installer settings for both humidify and dehu-
midify, this message appears when HUMIDITY SETTING is pressed:
HUMIDITY MODES OFF
If OFF is selected by the installer settings for HUMIDIFY but DE-
HUMIDIFY is on, the dehumidification menu appears (this setpoint ad-
just has NO effect on humidification):
DEHUM SETPOINT
DEFAULT (5O%)
ComfortSenset Model L7742U Touch Screen 7−Day Programmable Thermostat
Page 19
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O%
−5%
50%
45%