Changing Settings - Honeywell RTHL221 series Quick Installation Manual

Advanced Installation Guide
System setup

Changing Settings

See pages 15–19 to change Function Settings.
Function Setting
5
5
M32779
Change Function Change Setting
1. Press the s or t button to change the setting.
2. Press the s and t buttons simultaneously for one
second to advance to the next function.
3. Press the Run button to exit and save settings.
NOTE: If you do not press any button for 60 seconds while
you are in the setup menu, the thermostat automatically
saves any changes made and exits the menu.
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