Touch Screen Display
BA
E
DF
E
C
GH
I
Figure 1. Touch
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).
B MODE − press to cycle through HEAT, COOL, AUTO (autochangeover), OFF, EM HEAT (emergency heat).
CSCHED (schedule) − press to change between ON and OFF.
DDisplays room temperature.
EDisplays the current operation SET AT point(s). If MODE is set to AUTO (autochangeover), both HEAT and COOL setpoints are displayed.
FUp/down arrows used for adjusting temperature up or down; if in AUTO (autochangeover) mode, two sets of up/down arrows ap- pear.
GInformation 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.
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.
H Schedule time adjustment, User/Installer Settings up/down ar- rows:
DHOME screen: not visible except when executing a HOLD SETTING)
DSCHEDULE and OPTION screens: used to adjust sched- ule and option settings.
IDynamic 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.
Page 3 | ComfortSenset Model L7742U Touch Screen 7−Day Programmable Thermostat |
