RTH7400/RTH7500
Fan setting
& &
Press
S S Y Y S S T T E E M M
F F A A N N
System & Fan
Schedule
Press
to select mode, then press
F F A A N N
System
Fan Auto
Heat
System
Fan
Press
operation:
Clock & More
•
•
D D O O N N E E
Done
7
& &
, then
S S Y Y S S T T E E M M
F F A A N N
On: Fan is always on.
Auto: Fan runs only when the heating or
cooling system is on.
to select fan
F F A A N N