Fan Setting - Trane TAYSTAT 540 Owner's Manual

SYSTEM settings control the thermostat
operation as follows:
Cool: Normal setting for months when your
home needs cooling (air condition-
ing). Digital display shows a
snowflake
Off: Both heating and cooling are off.
Heat: Normal setting for months when your
home needs heating. Digital display
shows a flame
on.
Em. Ht.: Switch to this setting when your
home needs heat, but your equip-
ment needs servicing or is not
working properly. In this mode, the
thermostat controls only the backup
heat. The heat pump is off.
when cooling is on.
when heating is
NOTE: In the programming mode, the
and

Fan Setting

To select the desired fan setting, slide the
FAN switch in the lower left corner of the
thermostat.
FAN
Auto On
FAN SWITCH
18
M17329
indicate the system setting.
SYSTEM
Cool Off Heat Em. Ht.
Pub. No. 22-5185-01
M17337
69-1229