Display Fields & Touch Screen Points - Lennox L7742U Programming And Application Manual

Display Fields & Touch Screen Points
A Selection Tab touch fields − Press to select: HOME (normal dis-
play), SCHEDULE (for programming), OPTIONS (to set alerts, ser-
vice reminders, and other user and installer settings).
A
B
E
C
D
Figure 1. Touch screen active fields
B MODE − press to cycle through HEAT, COOL, AUTO
(autochangeover), OFF, EM HEAT (emergency heat).
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F
F
H
C FAN − press to cycle through ON, CIRC (circulate), AUTO.
D SCHED (schedule) − press to change between ON and OFF.
E Displays the room temperature.
F Displays the current operation SET AT point; if in AUTOchange-
over, both HEAT and COOL setpoints are identified.
G Up/down arrow touch fields used for adjusting temperature up or
down; if in AUTO (autochangeover) mode, 2 sets of up down ar-
rows.
H Displays different information depending on the tab selected:
G
D
HOME tab: displays outdoor temperature (if outdoor sen-
sor Lennox P/N X2658 is installed), indoor relative humid-
ity (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
I
reminder periods, etc.
I Schedule time adjustment, User/Installer Settings arrows:
D
HOME screen: not visible except when executing a HOLD
SETTING)
J
D
SCHEDULE and OPTION screens: used to adjust sched-
ule and option settings.
J Dynamic touch fields − not visible in HOME screen unless execut-
ing a HOLD SETTING. For SCHEDULE and OPTIONS settings,
these boxes appear and change depending on the selection. See
the schedule and options sections for details.
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