3/4 400-140-000-A
1.5.1 Replacing the batteries
The TH140 will display an icon indicat-
ing that the batteries must be replaced.
This icon will be displayed for 60 days;
after this delay, the TH140 will shut
down the heating unit.
The time and programming are saved
for 15 seconds when replacing the batteries.
Note: You may program the thermostat while holding it in your
hands or when it is mounted on the mounting plate.
2.1 Set the Time and Day
! Set the time, using the HOUR and MINUTE buttons.
" Set the day, using the DAY button.
2.2 Configure the Setpoints
2.2.1 Comfort and Economy
These setpoints are associated to the schedule’s programs and are
pre-programmed as follows:
2.2.2 Vacation
This pre-programmed setpoint is used when the Vacation mode is
activated.
2.2.3 To Modify a Setpoint
! Set the temperature using .
" Press and hold one of the set-
point buttons ( or or )
until the icon is displayed on the
screen (approx. 3 seconds).
# Press MANUAL/AUTO to select the normal operating mode.
2.3 View the Current Setpoint
To view the current set-
point, quickly press
once one of the arrow
buttons .
The screen displays
the setpoint; the arrow
indicates a setpoint.
The TH140 offers three operating modes:
3.1 Automatic
This mode executes the schedule.
To activate:
• Press MANUAL/AUTO until is displayed.
The program setpoint icon is displayed.
3.1.1 Temporary Bypass
When in Automatic mode, you can temporarily
bypass the current program setpoint until the
beginning of the next program. To bypass:
• Set the desired temperature OR quickly press or to
use a pre-defined setpoint.
3.2 Manual
This mode allows you to maintain a constant tem-
perature. To activate this mode:
• Press MANUAL/AUTO until is displayed.
• Set temperature OR quickly press or
to use a pre-defined setpoint.
3.3 Vacation
Maintains a specific temperature when away for a
prolonged absence (e.g. vacation).
• From the TH140, quickly press to activate.
• Can also be activated remotely (CT240, home
automation system or any other system) if the
remote input is connected to one of these sys-
tems.
Note: When the Vacation mode is activated remotely, it can only be
deactivated remotely.
Note: For details on how to activate the Vacation mode using a
telephone, refer to the CT240 Instruction Manual.
The TH140 allows four setting changes for each day of the week.
There are no pre-set programs. The programs can be tailored to fit
your life style.
For each day, enter the time at which you wake up (PROG 1), the
time you leave for work (PROG 2), the time you return home
(PROG 3) and the time you go to bed (PROG 4):
Note: For temperature increases (PROG 1 and 3), allow at least
15 minutes per °C. For example, if you have lowered the
temperature by 3°C during the night and you wake up at
7 a.m., change the setting at 6:15 a.m.
2. Basic Configuration
Comfort 68°F (20°C) Programs 1 and 3
Economy 64°F (18°C) Programs 2 and 4
Vacation 50°F (10°C)
3. Select the Operating Mode
4. Program Your Schedule
Programs Associated Setpoint Time
PROG 1
(Comfort)
Wake-up
PROG 2
(Economy)
Leave home
PROG 3
(Comfort)
Return home
PROG 4
(Economy)
Night
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