Service Manual

Field Settings SiUS121502E
188 Trial Operation and Field Settings
4.2.2 Temperature Display Switch
You can select Fahrenheit or Celsius for temperature display.
ARC452A21, ARC452A23

Press the TEMP and TEMP buttons at the same time for 5 seconds to change the unit of
temperature display.
ARC466A21

Press the upper side of the Temp button and the On button at the same time for 5 seconds to
change the unit of temperature display.
(R14477)
(R22009)