T500 Series Programmable Thermostats Product/Technical Bulletin
17
P
rogramming the Thermostat
Setting the Current Day and Time
To set the current day and time:
1. Press and release the
Clock
button.
The display will flash a day of the week.
2. Press
the
∨∨∨∨
or
∧∧∧∧
buttons until the current day
shows.
3. Press
Clock
again. The display will flash the hour.
4. Press
the
∨∨∨∨
or
∧∧∧∧
buttons until the current hour
shows. Be sure AM or PM corresponds to the
proper time.
5. Press
Clock
again. The display will flash minutes
(:00). (See Figure 21.)
6. Press
the
∨∨∨∨
or
∧∧∧∧
buttons until the current minutes
show.
7. Press
Clock
to complete the procedure or wait
15 seconds to return to normal display.
Setting the Event Setpoints
Setpoints are programmed for both heating and
cooling modes, and either two (day and night) or
four (morning, day, evening, and night) events per day.
(See Table 1.) To program a setpoint:
1. Press
the
Mode
button
until heat is displayed.
2. Press
the
Set Temp
button. The mode (heat or
cool ), event (morning, day, evening, or night)
symbols, and the present setpoint will be
displayed.
3. Press
the
∨∨∨∨
or
∧∧∧∧
buttons to adjust setpoints for the
displayed event and mode.
4. Press
Set Temp
to move to the next event. Press
the
∨∨∨∨
or
∧∧∧∧
buttons to adjust the setpoint. Repeat
this step until all event setpoints are programmed.
5. Press
Mode
until cooling is displayed, and
repeat Steps 2 through 4.
6. Select the desired mode of operation: heat, cool,
auto.
7. When programming is complete, press the
Resume
button to return to the normal display.
!
CAUTION:
Equipment Damage Hazard.
Operating a cooling system
without proper limit controls in
very low outdoor air
temperatures can permanently
damage the cooling equipment.
Mode
Clock
Set Temp
Outdoor
Fan
Program
Resume
Hold
66
:0 0
Mo
AM
Press to
set days,
hours, and
minutes.
Figure 21: Setting the Current Day and Time
Push Button Auto Repeat
Holding the
Program
button down will advance you
through the programming menu in sequence to the
desired option.
