Owner`s manual
* In Heat mode, with Oil/Gas heat configuration (i.e., furnace):
AUTO FAN - Fan will never be activated.
FAN ON - The Fan will work continuously.
• Press the ON button to return to normal display.
5.4 Lock/Unlock the thermostat button
Use the Lock option to prevent users from making unwanted changes.
When the thermostat is locked, the SELECT button and the “+” and “-” buttons do not work.
However, the users can turn the thermostat ON or OFF.
The display will alternate between “Loc” and real time clock.
• Make sure both temperature set-points are different than 50ºF.
• Lock the thermostat - Press and hold the SELECT button (20 seconds) until “Loc”
will appear on display.
• Unlock the thermostat - Press and hold the SELECT button again (20 seconds)
until “UnLo” will appear on display.
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