User's Manual

Main Menu > Installer Settings (Hidden Screen)
The Installer Settings screen is a hidden screen designed for installer use only. Do not change any
settings in this screen unless you are a qualified service technician. Changing these settings will affect the
operation of the heating/cooling system.
To enter this screen, go to the main menu selection screen and press and hold the two inner
buttons for 3 seconds until the Installer Settings screen appears.
The Installer Settings screen displays the current internal settings of the thermostat. You can view and
change the settings from this screen. Scroll to the desired function and use the +/- buttons to change.
Installer Settings Screen
Installer Settings Menu items
Display Lock: Range: Y or N Default: N
Y = Display LOCKED
N = Display unlocked
Allows you to lock or unlock the thermostat buttons. When the buttons are locked, you can still access the
main menu, but you will not be allowed to select any menu options. The Installer Settings hidden button
operation is always operational, allowing you to return to this screen and turn Display Lock off.
Service Mode Submenu
Test Mode Range: Y or N Default: N
Y= Test mode on. Reduces all delays to 10 sec for quicker system testing
N= Test mode off. Normal system delays.
CAUTION: in test mode all system safety delays are shorten. Do not operate the system
compressor in test mode. Disconnect Y1 or Y2 outputs if test mode on a live system.
Select menu item with
Up or Down buttons.
Installer Settings
Display Lock N
Service Mode
System Settings
Max Heat SP 90
DONE
Down
Up
Press DONE button to exit back to Main
Menu screen.
Press +/- buttons to increase/decrease the setting.
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