Lennox ComfortSense L7742U

ComfortSenset Model L7742U Touch Screen
7−Day Programmable Thermostat
Page 23
Mes
sage
Type
Action to Clear /
Recovery
ConditionSystem ActionPriority
Display Text
(Screen2)
Display Text (Screen1)Condition
Status
2
Initial Power
Up OR recov-
ery from power
loss of more
than the life of
super cap or
lithium battery
(System does
not know its
Date/Time)
SET DATE/TIME
Default DATE/TIME (MON JAN 1
12:00 PM)
3.5−Minor Message is displayed
on the dot Part.
User has to set the
current date/time to
get rid of this mes-
sage. If higher priority
Reminder or Error
message occur then
that message will be
displayed first.
Status Heating (only
when system
is in Heat Call)
HEATING
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
When call is ended
OR when higher prior-
ity reminder/error oc-
curs
Status Cooling (only
when system
is in cool call)
COOLING
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
When call is ended
OR when higher prior-
ity reminder/error oc-
curs
Status Auto (When in
heat or cool
call)
HEATING or COOLING
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
When call is ended
OR when higher prior-
ity reminder/error oc-
curs
Status Humidifying
(only when
system is hu-
midifying)
HUMIDIFYING
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
When call is ended
OR when higher prior-
ity reminder/error oc-
curs
Status Dehumidifying
(only when
system is in
dehumidifying)
DEHUMIDIFYING
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
When call is ended
OR when higher prior-
ity reminder/error oc-
curs
Status System Off SYSTEM OFF
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
When call is ended
OR when higher prior-
ity reminder/error oc-
curs
Status Outdoor tem-
perature (when
selected User
settings)
OUTDOOR TEMP XXF
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
Is user de−selects from
User settings or higher
priority reminder/error
occurs
Status Indoor Humid-
ity (when se-
lected from
User settings)
INDOOR RH XX%
Date/Time
3−Minor Displayed on first line.
Second line has Date/
Time info on it
Is user de−selects from
User settings or higher
priority reminder/error
occurs
Status Schedule ON
(User turns on
the schedule)
SCHEDULE ON
Date/Time
3−Minor Message is displayed
on first line for 3sec-
onds.
Message will disap-
pear after 3 seconds
or if higher priority Er-
ror/Reminder occurs
Status Schedule OFF
(User turns off
the schedule)
SCHEDULE OFF
Date/Time
3−Minor Message is displayed
on first line for 3sec-
onds.
Message will disap-
pear after 3 seconds
or if higher priority Er-
ror/Reminder occurs
Status Temporary
Hold On (User
had set a Tem-
porary hold on
set points)
HOLD SETTING UNTIL
Date/Time
PRESS SCHED TO
RESUME PROGRAM
3−Minor Message is displayed
on the screen and sys-
tem has a temporary
hold on temperature.
Message will disap-
pear when user hits
SCHED or if higher
priority Error/Reminder
occurs
Status Compressor
Protection tim-
er (5min) is
running
WAIT 3−Minor Message is displayed
on the screen whenever
compressor protection
is running AND cooling/
heating demand exists.
Message will disap-
pear is compressor
protection run expires
OR there is no cooling
or heating demand.
table continued on next page