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Base Series Programmable Thermostats
Homeowner’s Guide
Designed and Assembled
in the USA.
A07107
Base Series Programmable Thermostat
SETTING TIME AND DAY
At Power Up
When power is first applied, AC or HP will appear for 5 seconds to
tell you it is an air conditioner (AC) or a heat pump (HP) model.
After this, the time display will flash to tell you the power has been
off.
Setting The Current Time:
1. Press the TIME/TEMP button. SET TIME flashes on the
display.
2. Press the UP or DOWN button until the correct time is dis-
played.
3. To quickly advance to the proper time, press and hold the
UP or DOWN button.
4. When the correct time appears on the display, press the
HOLD/END button.
NOTE: If you choose not to press the HOLD/END button, the
thermostat will automatically exit the time setting mode after 10
seconds.
Setting The Current Day:
1. Press the DAY button to advance to the correct day.
2. When the correct day appears on the display, press the
HOLD/END button.
MANUAL OPERATION
To Operate Manually (Without the Programmed
Comfort Schedule):
Press the HOLD/END button to make the HOLD icon appear.
Then follow the four steps below:
1. To Select the Mode:
Use the H/C button to move between the choices. OFF,
HEAT , COOL, or EMHT will appear on the display. EMHT
will only appear on heat pump models.
2. To Select the Fan Operation:
Use the FAN button to move between continuous fan (in-
dicated by the FAN ON icon) and auto fan operation.
3. To Read the Room Temperature:
The large display reads room temperature until a button is
pressed.
4. To Adjust the Setpoint:
In normal operation, the large display shows room temper-
ature. At the first press of the UP or DOWN button, the
large display shows the current setpoint and the SET TEMP
icon is turned on. Further presses of the UP or DOWN but-
ton adjust the setpoint upward or downward. Five seconds
after the last button press, the display returns t o the room
temperature and the SET TEMP icon turns off.
PROGRAMMED OPERATION
Intr oduction
The Base Series Programmable Thermostat provides four periods
per d ay (MORNING, DAY, EVE, NIGHT) and two schedules per
week (MoTuWeThFr and SaSu). A s eparate time, heat setpoint,
and cool setpoint can be set for each period and s chedule. Before
starting to actually program the thermostat, fill out Table 1 with the
values you wish to program. (The Energy Starr, US Department of
Energy recommended time and temperature values are already
programmed for you as a starting point and are shown on the left
side of the table.)
The first press of the PROGRAM button b rings up the
programming mode and places you at morning of the current day
and period. Successive presses move you between the four daily
periods.
While Programming:
The TIME/TEMP button moves between three selections of SET
TIME, SET TEMP & HEAT, and SET TEMP & COOL. These
three numbers are to be programmed for each of the periods
MORNING, DAY, EVE, and NIGHT.
The DAY button moves between the weekdays, (MoTuWeThFr)
and the weekend (SaSu) selections. A different schedule may be set
for the weekdays and the weekend. You may exit programming at
any time by pressing the HOLD/END button.