Fan - Controlling Fan Operation - Lennox ComfortSense 3000 Series Operation Manual

5. Use the up or down arrow buttons to select either uc
(unoccupied) or oc (occupied) minute; press PROG.
6. Use the up or down arrow buttons to select the desired
temperature set point; press PROG.
7. Repeat steps 3 through 6 for periods B, C, and D.
8. Repeat steps 1 through 7 for the 2-day program.
NOTE - This thermostat will NOT automatically switch from
heating to cooling, or cooling to heating; operator
involvement is required. At the change of seasons, or to
accommodate abnormal seasonal temperature swings, you
must manually select to the opposite conditioning (Heat or
Cool) program.
FAN - Controlling the Fan Operation
Use the FAN button to select either continuous fan mode or
auto fan mode.
To change from continuous to auto fan mode or back to
continuous, press the FAN button. Note whether a fan icon
in the FAN box is present (indicating that the fan is running)
or not (fan not running).
If continuous fan mode is enabled (ON displayed in FAN box
- see figure 12), the fan will run continuously regardless of
whether the heating or cooling equipment is running.
MO 10:10
AM
PM
PROG B
ROOM
67
°
Figure 12. Using Fan ON
If auto fan mode is selected (AUTO displayed in FAN box -
see figure 13), the fan will only run when the heating or
cooling equipment is running.
10:36
MO
AM
PM
PROG B
ROOM
72
°
Figure 13. Using Fan AUTO
Page 9
Heat Cool
FAN
ON
Day/Time
Prog
SYSTEM
UC
Fan Hold
HEAT
Settings Enter
Heat Cool
FAN Day/Time
Prog
AUTO
SYSTEM
Fan Hold
OFF
UC
Settings Enter
5/2 DAY PROGRAMMABLE COMMERICAL THERMOSTAT