Day/Time - Set Day And Time; Heat - Heat Mode - Lennox ComfortSense 3000 Series Operation Manual

DAY/TIME - Setting the Day and Time
Press the DAY/TIME button and set the CURRENT hour,
minute, and day of week as follows:
1. " 12" will flash on the screen. Press the up or down
AM
arrows buttons to change the hour. ("AM" or "PM" must
correspond to time of day.) Press DAY/TIME OR, if
adjusting for daylight savings time, pressing ENTER
stores the single change and exits to the HOME screen,
bypassing minutes and day of week.
2. Minutes will flash. Use the up or down arrow buttons to
display the minutes past the hour. Press DAY/TIME.
3. Day "MO" (Monday) will flash. Use up or down arrow
buttons to display the current day. Day selections are
abbreviated as "MO", "TU", "WE", "TH", "FR", "SA", and
"SU". Press DAY/TIME.
4. The HOME screen reappears; confirm day and time are
correct. This completes day and time setting.
HEAT - Using the Heat Mode
Enabling Normal Heat Mode
Use the HEAT button to enable or disable heat mode. If the
thermostat is in OFF or COOL mode, pressing the Heat
button enables Heat mode. This is indicated by HEAT in the
SYSTEM box as shown in figure 3.
507518-02
MO
5:30
AM
FAN
PM
HOLD
AUTO
SYSTEM
SETPOINT
70
°
UC
HEAT
Figure 3. Turn Heat ON/OFF
Disabling Heat Mode
If the thermostat is in heat mode when the HEAT button is
pressed, then heat mode is disabled. This is indicated by
OFF in the SYSTEM box as shown in figure 4.
ROOM
75
°
Figure 4. Heat Mode Disabled
Page 4
Heat Cool
Prog Day/Time
Fan Hold
Settings Enter
SYSTEM
COOL
UC OFF