Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat Manual De Usuario
ComfortSense
t Model L7742U Touch Screen 7−Day Programmable Thermostat
Page 3
Touch Screen Display
Figure 1. Touchscreen display
Press the screen anywhere − the first press turns on the backlight.
A Selection Tabs − Press to select: HOME (normal display),
SCHEDULE (for programming), OPTIONS (to set fan operation,
alerts, service reminders, and other user and installer settings).
alerts, service reminders, and other user and installer settings).
B MODE − press to cycle through HEAT, COOL, AUTO
(autochangeover), OFF, EM HEAT (emergency heat).
C SCHED (schedule) − press to change between ON and OFF.
D Displays room temperature.
E Displays the current operation SET AT point(s). If MODE is set to
AUTO (autochangeover), both HEAT and COOL setpoints are
displayed.
displayed.
F Up/down arrows used for adjusting temperature up or down; if in
AUTO (autochangeover) mode, two sets of up/down arrows ap-
pear.
pear.
G Information display area, displays different information depending
on the tab selected:
D
HOME tab: displays outdoor temperature (if outdoor sen-
sor X2658 is installed), indoor relative humidity (RH),
which mode is calling, hold settings information, service
reminders.
sor X2658 is installed), indoor relative humidity (RH),
which mode is calling, hold settings information, service
reminders.
D
SCHEDULE tab: displays the event being programmed;
D
OPTIONS tab: displays a scrolling list of installer- and
user−adjustable parameters, including filter and service
reminder periods, etc.
user−adjustable parameters, including filter and service
reminder periods, etc.
H Schedule time adjustment, User/Installer Settings up/down ar-
rows:
D
HOME screen: not visible except when executing a HOLD
SETTING)
SETTING)
D
SCHEDULE and OPTION screens: used to adjust sched-
ule and option settings.
ule and option settings.
I Dynamic keys − not visible in HOME screen unless executing a
HOLD SETTING. For SCHEDULE and OPTIONS settings, these
keys appear and change depending on the selection. See the
schedule and options sections for details.
keys appear and change depending on the selection. See the
schedule and options sections for details.