Honeywell RTH6400 Serie Guide D'installation Rapide page 22

Advanced Installation Guide
Function 14: Temperature display About your new thermostat
Press the or
s
temperature display:
14
Done
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
Press to change setting.
When correct setting is
selected, press DONE to
exit and save changes.
M28351
69-2210EF—03
button to select Fahrenheit or Celsius
t
20
0
Next
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