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Cool and Heat Mode (Auto Changeover)
the cooling and heating systems, automatically changing over from one to the other as
needed.
Program Mode
– In this mode, the program function is on (PROG displays), and the
thermostat will automatically be controlled by the set program schedule. Program mode can
function with heat mode, cool mode or heat & cool mode. The program schedule can be
overridden by changing the set temperature (
schedule will automatically be resumed. To manually return to the program schedule, press
the PROG button twice.
Setting the Time and Day of the Week
The time and day of the week must be set for your program schedule to operate correctly.
1. Press the MODE button until you are in the OFF mode.
2. Press the PROG button in for 6 seconds. Time displays.
3. Press the
or
button to adjust the time.
4. Press the PROG button while the time is displayed. The display shows the day
currently set on the thermostat (1=Monday, 2=Tuesday, etc).
5. Press the
or
button to set the correct day of the week that today is.
Note: Press the PROG button in for 5 seconds to lock values into memory
and return to the OFF mode or press the PROG button once to
enter programming.
Program Overview
The McQuay 668811101 thermostat programmable thermostat has four periods (MORN, DAY, EVE, NITE) that are
customizable for each day of the week. Each period will have a start time, heat temperature, and cool temperature.
The McQuay 668811101 thermostat monitors the day and time, while maintaining the specific conditions you have
chosen for each period in your program.
1. Press the MODE button until you are in the OFF mode.
– In this mode, the thermostat controls
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or
button). After 2 hours, the program
Programming
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