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Page 12
Options TabInstaller Settings
(continued)
HUMIDITY SETTING
See separate sections − Humidifi-
cation (Page 14) and Dehumidification (Page 15).
STAGE DELAY AND DIFFERENTIAL SETTINGS
The
differential or delay settings in the Installer Settings menu
are:
STG DELAY TIMERS
STG 1 DIFF
STG 2 DIFF
STG 2 DELAY
STG 3 DIFF
STG 3 DELAY
STG 4 DIFF
STG 4 DELAY
H/C STGS LOCKED IN
STG 2 HP LOCK TEMP
See Page 17 for more stage delay and differential
details.
DAYLIGHT SAVING TIME
(DST)default setting is ON
(enabled).
Note: Beginning in 2007, DST will begin on the
second Sunday in March and end the first Sunday in No-
vember. In the U.S., clocks spring forward from 1:59 a.m.
to 3:00 a.m.; in fall, clocks fall back from 1:59 a.m. to 1:00
a.m
. If the community or state opts out of DST, turn this
OFF. Scroll to DAYLIGHT SAVING TIME; press ENTER.
Use up/down arrows to select OFF. Press SAVE.
DAYLIGHT SAVING TIME
DEFAULT(ON)
OFF
CONTACT INFORMATION
default is CONTACT
INSTALLING DEALER. Contact information will appear
under user menu, and reminder screen information but-
tons. Also can be set to scroll on home screen when set up
under user menu.
This may be programmed with the dealer or technical ser-
vice contact. Scroll to CONTACT INFORMATION; press
ENTER. A cursor appears to the left of the first line. Use
arrows to select letters, numbers, and special characters.
When the first character is identified, press NEXT to ad-
vance to the next character; repeat to input the desired
contact information. Press SAVE when finished.
CONTACT
INSTALLING DEALER
CUSTOM REMINDERS
Two additional reminders may
be created using a text message. This will appear in the list
of reminders and the user can then select the time for the
reminder to be displayed. Scroll to CUSTOM REMINDER
1 or 2. Press ENTER. To create a reminder, press EDIT.
CUSTOM REMINDER 1
A cursor will appear on the second line. Use the arrows to
scroll through letters, numbers and special characters.
When the desired character appears, press NEXT to ad-
vance to the right by one character. Continue until the mes-
sage is complete (up to 19 characters). When finished,
press SAVE.
CUSTOM REMINDER 1
CLEAN OUTDOOR UNIT
RESET SETTINGS
To reset the ComfortSense
®
Model
L7742U thermostat to factory defaults, scroll to RESET
SETTINGS.
IMPORTANT
RESET SETTINGS erases all programming and re-
turns the thermostat to the factory conditions, in-
cluding the installer settings. Use this only as a last
resort.
With RESET SETTINGS selected, press ENTER. Press
the box below YES to reset; RESETTING SETTINGS TO
DEFAULTS appears briefly and then returns to the IN-
STALLER SETTINGS list.
RESET SETTINGS
YES
NO
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ENERGY STAR DEFAULT
EPA ENERGY STAR
®
rec-
ommended setpoints for heating and cooling can help the
household save energy. The following time and tempera-
tures are preprogrammed into the control to conform to En-
ergy Star requirements.
Table 3. ENERGY STAR
®
Setpoints
NOTE − Humidifica-
tion and dehumidifi-
cation are not part of
the ENERGY
STAR
®
program. A
higher utility bill may
occur when not us-
ing the setpoints in
this table.
Time
Heating
Cooling
Wake
70°F (21°C)
78°F (25°C)
Leave
62°F (17°C)
85°F (29°C)
Return
70°F (21C)
78°F (25°C)
Sleep
62°F (17°C)
82°F (28°C)
Scroll to ENERGY STAR DEFAULT; press ENTER. Press
the box below YES to reset; ENERGY STAR SETTING
appears briefly and then returns to the installer setting list-
ing.
ENERGY STAR DEFAULT
YES
NO
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