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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.
Installer Settings
Display Lock N
System Settings
Max Heat SP 90
Min Cool SP 60
Done
+ -
Changing these settings will affect the operation of the heating/cooling system. To view and edit these settings:
1. Press the MENU button.
2. Press and hold the two middle buttons simultaneously until the InstallerÎSettings menu is displayed.
3. Scroll to the setting you want to change. Press the plus (+) or minus (-) button to adjust the setting.
4. Press the Done button when you are finished.
Setting Range Default Description
Display Lock Y or N N Locks or unlocks the thermostat buttons. When the buttons are
locked, the main menu can still be accessed, but no menu options
may be selected. The Installer Settings hidden button operation is
always operational, allowing Display Lock to be turned off.
Max Heat SP 55F to 90F
(12C-32C)
90F (32C) Sets the maximum heating setpoint value. Will not ramp or accept
setpoints higher than this maximum.
Min Cool SP 60F to 99F
(15C-37C)
60F (15C) Sets the minimum cooling setpoint value. Will not ramp or accept
setpoints lower than this minimum.
Minimum Run
Time (MRT)
1- 9 Minutes 3 Sets the minimum run time before a heating/cooling cycle can
turn off to prevent rapid cycling. Thermostat screen will display
CoolÎON or HeatÎON while the minimum run time is being
enforced.
Minimum Off
Time (MOT)
5-9 Minutes 5 Sets the minimum off time before another heating/cooling
cycle can begin to provide compressor short cycle protection.
Thermostat screen will display WAIT when minimum off time is
being enforced.
Restore Defaults n/a n/a Sets all of the thermostat settings back to the factory defaults.
Installer Settings
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