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Installation Guide
69-2104ES—01 22
About your new thermostatSystem setup
CAUTION: To avoid possible compressor damage, set to option 0 if the outside
temperature drops below 50°F (10°C).
Setup functions Settings & Options
0300 Manual/Auto
Changeover
(RTH7500 only)
Press s/t to select manual or automatic changeover:
0 Manual changeover (Heat/Cool/Off).
1 Automatic changeover (Heat/Cool/Auto/Off). Automatically turns on
Heat or Cool based on room temperature. Note: System maintains
minimum 3°F difference between heat and cool settings.
0320 Temperature
Format (°F/°C)
Press s/t to set the temperature display format:
0 Fahrenheit
1 Celsius