Compressor protection
This feature forces the compressor to wait a few minutes before restarting, to prevent equipment
damage. During the wait time, the message “Wait” is displayed on screen.
Auto changeover
This feature is used in climates where both air conditioning and heating are used on the same day.
When the system is set to AUTO, the thermostat automatically selects heating or cooling depending
on the indoor temperature. Heat and cool settings must be at least 3 degrees apart. The thermostat
will automatically adjust settings to maintain this 3-degree separation.
Note: System setting function 0300 controls Auto changeover.
Setting Functions And Options
You can change options for a number of system functions. Available functions depend on the type of
system you have. The functions, designated with four-digit numbers, along with available options are
described on pages 31–35.
This thermostat is pre-set for a single-stage heating/cooling system. Setting function 0170 for a heat
pump will adjust the default settings.
1. Press SYSTEM. You’ll see several blank buttons on the bottom of the display.
2. Press and hold the center blank key for approximately five seconds until screen changes.
3. Cycle through the functions, press ∇ Δ next to the four digit number on the left.
4. As needed, change options for any function by pressing ∇ Δ next to the number on the right.
5. When you have made all changes, press DONE to save and exit.
User setup
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