Lennox ComfortSense 7000 series User Manual

ComfortSenset Model L7742U Touch Screen 7−Day Programmable Thermostat
Page 11
Options tabUser Settings (continued)
COOLING LIMITThis limits the temperature at which the thermostat
may be set for cooling (default is 50º); to change to any degree between
45ºF and 90ºF, scroll to COOLING LIMIT; press ENTER. Use arrows to
change to desired temperature; press SAVE.
COOLING LIMIT
DEFAULT(5O°F) 55°F
HEATING LIMITThis limits the temperature at which the thermostat
may be set for heating (default is 85º); to change to any degree between
45ºF and 90ºF, scroll to HEATING LIMIT; press ENTER. Use arrows to
change to desired temperature; press SAVE.
HEATING LIMIT
DEFAULT(85°F) 80°F
HUMIDITY SETTINGSee separate sections − Humidify (Page 12)
and Dehumidify (Page 13).
HUMIDITROL ADJUSTIf Humiditrol
®
is enabled in the installer set-
tings, then this adjustment affects overcooling operation. Overcooling
ranges from 2ºF below the cooling setpoint (MIN setting) down to 2ºF
above the heating setpoint (MAX setting). Halfway between the two
settings is the MID setting. The default setting is MAX; to change to MID
or MIN, scroll to HUMIDITROL ADJUST; press ENTER. Use arrows to
scroll to MID or MIN; then press SAVE.
HUMIDITROL ADJUST
DEFAULT (MAX) MIN
NOTE − Humiditrol
®
does not function if the outdoor temperature is 95ºF
or greater nor when the indoor temperature is 65ºF or less.
BACKLIGHT SETTINGdefault is POWER SAVE; scroll to BACK-
LIGHT SETTING; press ENTER. Use arrows to change to CONTINU-
OUS; press SAVE.
BACKLIGHT SETTING
DEF(SAVE) POWER SAVE
BACKLIGHT INTENSITYdefault is 100%; scroll to BACKLIGHT IN-
TENSITY; press ENTER. Use arrows to change to 20 to 100% in 20%
increments; press SAVE.
BACKLIGHT INTENSITY
DEFAULT(1OO%) 8O%
SECURITY LOCKdefault − no locks at all − this provides two methods
of locking the thermostat:
Answer YES to ALLOW TEMP ADJUSTanyone can make tem-
perature setpoint changes without entering a 3−digit code.
Answer NO to ALLOW TEMP ADJUSTprevents making any
changes at all until the 3−digit code is entered.
Scroll to SECURITY LOCK and press ENTER; ALLOW TEMP AD-
JUST screen appears; press box below YES or NO.
ALLOW TEMP ADJUST
YES NO
CANCEL
| | |
The ENTER LOCK CODE screen appears.
ENTER LOCK CODE
OOO
CANCEL
| | | | SAVE|
To enter the lock code, press box below each small up-arrow to select
each column. Use up/down arrows to enter a number, then press the
box below the next number and repeat to enter a 3-digit lock code; write
down the number for future reference; press SAVE.
NOTE − If the security code is forgotten or misplaced, use the universal
code 864" to unlock.

Lennox ComfortSense 7000 series Specifications

General

Brand	Lennox
Model	ComfortSense 7000 series
Category	Thermostat
Language	English