Tue Oct 23 1:15Pm; Home Screen Current Conditions & Temperature Settings - Lennox L7742U Owner's Manual

Home Screen Current Conditions & Temperature Settings
OUTDOOR TEMP 95F

TUE OCT 23 1:15PM

Figure 2. Home Screen
The HOME screen (figure 2) displays indoor temperature and outdoor
temperature (if outdoor sensor is installed and if turned on in user set-
506062−01 06/08
tings). Other system operational information, such as indoor relative
humidity (if turned on in user settings), dehumidifying, cooling or heat-
ing, will alternately be displayed in the information display.
The home screen displays temperature and the temperature settings in
large fonts. The INFORMATION DISPLAY shows the present day,
time, and operational information in a smaller font.
The menu tabs along the top of the screen are used to access the
SCHEDULE screen (for program setup) and the OPTIONS screen (to
access user/installer settings including, change to 24 hour clock,
change Fahrenheit to Celsius, set filter and service reminders, and
many other settings.
Equipment operation information appears in the boxes along the left
side of the home screen to indicate fan operation setting, cooling or
heating equipment operation setting, and whether or not scheduled pro-
gramming is ON or OFF. From these boxes, users can change the unit's
mode to HEAT, COOL, AUTO (autochangeover − default), EM HEAT
(emergency heat − for heat pump applications including dual fuel and
HP with Electric Heat), or OFF.
INFORMATION Also, the user can change the fan between ON (fan runs continuously
DISPLAY AREA
whether or not cool or heat equipment is running), AUTO (fan runs ac-
cording to the schedule), or CIRC (circulate − user sets percentage of
fan run time).
The user can also decide whether or not to operate the unit per the pro-
grammable schedule, or in a manual mode using the SCHED box.
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