Lennox International Inc. l7742u Thermostat User Manual


 
506229−01 05/09
Page 10
Options tabĊUser Settings (continued)
EVENTS DAILY 2 OR 4Ċdefault is 4; to change, scroll to EVENTS
DAILY 2 OR 4; press ENTER. Use arrows to change to 2; press SAVE.
EVENTS DAILY 2 OR 4
DEFAULT(4) 2
VIEW CONTACT INFOĊscroll to VIEW CONTACT INFO from the
user settings menu; press ENTER. Use BACK to return to menu. (To
set this to display on the home screen, see DISPLAY INFO.)
DISPLAY INFOĊcontrols what is displayed in the field below the tem-
perature and above the time on the HOME screen; it may display OUT-
DOOR TEMP, INDOOR RH (relative humidity), and CONTACT INFO
or any combination of the three, or none if all three are set to OFF.
Scroll to DISPLAY INFO; press ENTER. Use arrows to select OUT-
DOOR TEMP. INDOOR RH or CONTACT INFO; press ENTER.
DISPLAY INFO
OUTDOOR TEMP
INDOOR RH
CONTACT INFO
NOTE − When turning ON the OUTDOOR TEMP option OUT-
DOOR SENSOR REQUIRED" will display if the physical sensor
is not installed.
NOTE − If outdoor sensor is not present and if user tries to select the
options DISPLAY INFO −> OUTDOOR TEMP or HUMIDITROL a mes-
sage is displayed OUTDOOR SENSOR REQUIRED" instead of scroll
options for these menus. Information about installing the sensor is de-
scribed on Page 15.
For INDOOR RH, use arrows to select ON or OFF; then press SAVE.
INDOOR RH
DEFAULT(OFF) ON
For OUTDOOR TEMP, select ON or OFF; then press SAVE.
OUTDOOR TEMP
DEFAULT(OFF) ON
For CONTACT INFO, select ON or OFF; then press SAVE.
CONTACT INFO
DEFAULT(OFF) ON
FAN CIRCULATEĊAs an option to running the fan all the time, fan cir-
culate allows the user to decide how much the fan will run during peri-
ods of equipment inactivity. The fan ON time is always set to 5 minutes.
This option will cause the fan to come on more or less frequently. The
default is 35%; to change, scroll to FAN CIRCULATE; press ENTER.
Use arrows to change to 15, 25, or 45%; press SAVE.
FAN CIRCULATE
DEFAULT(35%) 25%
15% (9 minutes fan run time per hour)
25% (15 minutes fan run time per hour)
35% (21 minutes fan run time per hour)
45% (27 minutes fan run time per hour).