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TH147-P and TH148LE-P 400-147-000-D 18/4/06 4/5
After replacing the batteries, set the time and day (see section 5.1).
For TH148LE-P model, set the date also (see section 5.2).
Note: The temperature and schedule settings are not erased when
the batteries are removed.
n To access the configuration menu, press the backlight button
for 3 seconds.
o To go to the next parameter (menu item), briefly press the back-
light button.
p To modify a parameter, press .
q Repeat steps 2 and 3 if necessary.
r Press the backlight button for 3 seconds to exit the configura-
tion menu.
5.1 Setting the Time and Day
n Press [ Clk ]. The hour flashes.
o Set the hour using .
p Press [ Clk ]. The minutes flash.
q Set the minutes using .
r Press [ Clk ]. The day flashes.
s Set the day using .
t Press [ Exit ] to exit.
5.2 Setting the Date (TH148LE-P model only)
The date must be needed for the daylight-savings changeover func-
tion.
n Press [ Clk ] for 3 seconds to display the year.
o Set the year using and press [ Clk ] to dis-
play the month.
p Set the month using and press [ Clk ] to dis-
play the date.
q Set the date using .
r Press [ Exit ] to exit.
5.3 Pre-programmed Schedule
When set in automatic mode, the thermostat follows the pro-
grammed schedule. You can program up to 4 periods per day. To
program a period, you must set its start time, its heating setpoint
and its cooling setpoint. You can have a different program for each
day of the week.
Your thermostat is pre-programmed with the following schedule.
In the pre-programmed schedule, all 4 periods are used for Monday
through Friday and only periods 1 and 4 are used for Saturday and
Sunday.
5.4 Customizing the Schedule
Use the following grid to record your new settings.
• Press [ Pgm ] to enter the programming mode. The settings for
Monday, Period 1 appear.
4. Configuration Menu
DISPLAY DESCRIPTION DEFAULT OPTIONS
Temperature display °C °C or °F
Time display 12 h 12 h or 24 h
Early Start
1
Off On or Off
Automatic daylight savings
changeover (TH148LE-P only)
2
Off On or Off
Unoccupied mode setpoint - heat-
ing (TH148LE-P only)
3, 4
10°C
(50°F)
5°C to 28°C
(41°F to 82°F)
Unoccupied mode setpoint - cool-
ing (TH148LE-P only)
3, 4
35°C
(95°F)
15°C to 35°C
(59°F to 95°F)
Heating cycles per hour
4
4
2, 3, 4, 5 or 6
5
Cooling cycles per hour
4
4
2, 3, 4, 5 or 6
6
1
When Early Start is enabled (On), the thermostat determines when heating or
cooling should start so the desired temperature is reached at the set time.
2
When this function is On, the thermostat automatically switches to daylight sav-
ings time on the second Sunday of March and to normal time on the first Sunday of
November (see section 5.2).
3
To enable the unoccupied mode, see section 2.4.
4
When either the heating or cooling parameter is displayed, use the Heat/Cool
selector switch to alternate between the two parameters.
5
For optimal heating control, use the setting that matches your system as follows:
2=30 min (steam, gravity), 3=20 min (hot water, 90%+ high-efficiency furnace),
4=15 min (gas or oil), 5=12 min (alternate setting for gas or oil), 6=10 min (electric).
6
The corresponding cycle lengths are: 2=30 min., 3=20 min., 4=15 min., 5=12 min.,
6=10 min.
5. Programming
Pre-programmed settings MO TU WE TH FR SA SU
Heating 21°C (70°F)
6:00 a.m.
Cooling 25.5°C (78°F)
Heating 16.5°C (62°F)
8:00 a.m. --
Cooling 29.5°C (85°F)
Heating 21°C (70°F)
6:00 p.m. --
Cooling 25.5°C (78°F)
Heating 16.5°C (62°F)
10.00 p.m.
Cooling 28°C (82°F)
Periods Settings
Program days
MO TU WE TH FR SA SU
Time
Heating
Cooling
Time
Heating
Cooling
Time
Heating
Cooling
Time
Heating
Cooling