Lennox International Inc. 43558 - Manual (Page 12)

22
22 PROGRAMMING
Setting Time and Day
■ The LCD will show this information when batteries are first installed, or after
the Reset button is pressed. The temperature will update after a few seconds.
■ During time and day setting mode, the temperature and program
displays will go blank.
■ Example: Set the Thermostat to the current time of 2:16 PM on Saturday.
Refer to the Steps below.
Step 1 ■ Press to enter time and day setting mode. The current hour and the
AM / PM indicator will be flashing.
■ Press to change the Hour up or down to the current hour.
Note the AM / PM indicator, as the display will change at 12 AM
and 12 PM.
Step 2 ■ Press again to change from hour setting to minute setting. The current
minute will be flashing.
■ Press to change the Minute up or down to the current minute.
Monday
System
AM
Fan
Temp
4
day-time Monday
AM
or
day-time
or
Monday
PM
41653_model43558.pmd
23
Step 3 ■ Press again to change from minute setting to day setting. The current
day will be flashing.
■ Press to change the Day up or down to the current day.
Step 4 ■ Press again to change back to the normal display.
NOTE: You may press ret-clear at any time during Day and Time setting to return to the normal display.
Saturday
PM
day-time
or
day-time
or
ret-clear
Saturday
System
AM
Fan
Temp
2
12 Hr. / 24 Hr. Time Format
Your thermostat is set from the factory in normal 12
(AM / PM) time format. To change to 24 hour (military)
time, press option at any time while the Hour, Minute,
or Day is flashing to toggle between the 12 hour and 24 hour
formats. The AM / PM indicator will not be displayed in 24
hour mode. Both the current time and all programs will auto-
matically change to the selected format. The time format may
also be changed in the Option Menu.