RTH8500
System setup
Manual/Auto changeover
Function
0300
Press
s
/
t
to select manual or automatic changeover:
Options:
0
Manual changeover (Heat/Cool/Off).
1
Automatic changeover (Heat/Cool/Auto/Off). Note: System maintains minimum
3°F difference between heat and cool settings.
Temperature format (°F/°C)
Function
0320
Press
s
/
t
to set the temperature display format:
Options:
0
Fahrenheit
1
Celsius
Daylight savings time on/off
Function
0330
Press
s
/
t
to select an option:
Options:
0
Off: No adjustment for daylight savings time.
1
On: Auto-change to daylight savings time (through 2006, and for areas that
do not use the new 2007 DST calendar).
2
On: Auto-change to daylight savings time (2007 and beyond, for areas that
use the new 2007 DST calendar).
CAUTION:
To avoid possible compressor damage, set to option
0
if the outside
temperature drops below 50°F (10°C).
