Honeywell RTH6400 Thermostat User Manual


 
Advanced Installation Guide
69-2210EF—03 18
SETUPWIRINGASSISTANCETROUBLESHOOTING
Function 12: Manual/Auto Changeover
Press the s or t button to select Manual or Auto
Changeover:
Done Next
12
0
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NOTE: System maintains a minimum 3ºF
difference between heat and cool settings.
CAUTION: To avoid possible compressor
damage, set to option 0 if the outside
temperature drops below 50ºF (10ºC).
0 Manual Changeover: (Heat/Off/Cool)
1 Automatic Changeover: (Heat/Off/Cool/Auto)
Automatically turns on heat or cool based on room
temperatures.
Press to change setting.
When correct setting is
selected, press NEXT to
display next function.
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