Honeywell RTH 3100C - Manual (Page 17)

RTH3100C
15 69-2340ES—01
About your new thermostat
SETUP
WIRING
ASSIST
ANCE
TROUBLESHOOTING
Setup
14
0
MCR29575
Press to change setting.
Function 14: Temperature display
Press the
t
button to select Fahrenheit or Celsius tem-
perature display:
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
Press and hold the s and t
buttons to exit and save settings.
MCR29576