Button Functions
UP
Used to increase the time, set temperatures and to adjust configuration settings .
DOWN
Used to decrease the time, set temperatures and to adjust configuration settings .
SYS (left)
Used to change from OFF, HEAT, COOL and AUTO changeover modes
FAN (right)
Used to turn on and off the indoor fan .
PROG (SYS and FAN)
Used to change from program operation to manual operation .
UP and PROG
Held in simultaneously for 10 seconds to lock and unlock the thermostat .
DOWN and SYS
Pressed simultaneously to display outdoor temperature if outdoor remote sensor is connected .
SYS
tem (left)
FAN
(right)
Down
button
Up
button
PROG
