Honeywell RTH6400 Owner's Manual - Page 20

Function 12: Manual/Auto Changeover

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SETUP Advanced Installation Guide Function 12: Manual/Auto Changeover Press the s or t button to select Manual or Auto Changeover: 12 0 WIRING ASSISTANCE Done Next M28355 0 Manual Changeover: (Heat/Off/Cool) 1 Automatic Changeover: (Heat/Off/Cool/Auto) Automatically turns on heat or cool based on room temperatures. CAUTION: To avoid possible compressor damage, set to option 0 if the outside temperature drops below 50ºF (10ºC). NOTE: System maintains a minimum 3ºF difference between heat and cool settings. TROUBLESHOOTING Press to change setting. When correct setting is selected, press NEXT to display next function. M28351 69-2210EF-03 18

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Advanced Installation Guide
69-2210EF—03
18
SETUP
WIRING
ASSISTANCE
TROUBLESHOOTING
Function 12: Manual/Auto Changeover
Press the
s
or
t
button to select Manual or Auto
Changeover:
Done
Next
12
0
M28355
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.
M28351