9. OPERATION
Child lock function
Press and hold “+” and “-” buttons together for 3 seconds
or more to activate the child lock function and lock all buttons
on the wire controller.
Press the buttons again for 3 seconds or more to deactivate
the child lock function.
When the child lock function is activated,the mark appears.
18
PTC function (on some models)
Press the Follow me/PTC button for 2 seconds or more to activate the
PTC function,when the unit is under the Heat mode.
Press the buttons again for 2 seconds or more to deactivate the PTC
function.
When the PTC function is activated,the mark appears.(Not
applicable to all the models)
°C & °F scale selection (on some models)
Press and hold and buttons together
for 3 seconds will alternate the temperature display
between the ℃&℉ scale.