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Honeywell T8665A User Manual

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8
69-1536–3
Fig. 1. Thermostat keyboard description.
M20146
Time
Set Program
Run
Program
Hold Temp
Set Current
Day/Time
Day
Heat/Cool
Settings
Wake
Fan
System
Copy
Daylight
Time
Leave
Return
Sleep
     INCREASE
 
RAISES TEMPERATURE SETTING
      DECREASE
 
LOWERS TEMPERATURE SETTING
    INFORMATION
DISPLAYS CURRENT HEAT/COOL 
TEMPERATURE SETTING
PROGRAM SCHEDULING
WAKE LEAVE RETURN SLEEP
ENTERS PROGRAMMING MODE
FAN 
SELECTS AUTO/ON
SYSTEM
SELECTS HEAT/OFF/COOL (AUTO)
DIGITAL 
DISPLAY
SET CURRENT 
DAY/TIME
SETS CURRENT 
DAY AND TIME
RUN PROGRAM
RETURNS THERMOSTAT TO 
NORMAL OPERATING MODE
HEAT/COOL SETTINGS
SWITCHES BETWEEN HEAT SETPOINTS AND 
COOL SETPOINTS WHILE PROGRAMMING
TIME       / TIME
SETS TIME 
FORWARD OR BACK
HOLD TEMP
SETS A HOLD TEMPERATURE
SETTING AND ACTIVATES
VACATION HOLD FEATURE
DAYLIGHT TIME
SELECTS STANDARD TIME
 OR DAYLIGHT SAVING TIME
COPY
 
COPIES SETTINGS FROM ONE DAY TO 
ANOTHER DAY FOR QUICK PROGRAMMING 
DAY     
SETS DAY OF THE WEEK
WAKE
SET WAKE TIMES AND 
TEMPERATURES
LEAVE 
SET LEAVE TIMES AND 
TEMPERATURES
RETURN 
SET RETURN TIMES AND 
TEMPERATURES
SLEEP
SET SLEEP TIMES AND 
TEMPERATURES