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3.3
Viewing and Setting the Temperature
The ambient temperature is normally displayed. To view the setpoint,
press once on one of the
seconds and is indicated by the
setpoint display, press one of the
3.4
Backlight
The display illuminates for 12 seconds when the backlight button or
any other button is pressed.
3.5
Thermostat Operating Mode
3.5.1 Manual
The setpoint must be set manually. To place the thermostat in this
mode, press
[ Mode
]. The house icon will disappear.
3.5.2 Automatic
The setpoint varies according to the programmed schedule. To place
the thermostat in this mode, press
settings will be displayed. The four possible periods are:
Wake up
Leave for work
To see the default schedule settings, see section 5.2.
3.6
Temporary Bypass
If you modify the setpoint (using the
thermostat is in automatic mode, the thermostat temporarily
bypasses the current program. The new setpoint will be maintained
for 2 hours, then the thermostat will return to the program currently
running in automatic mode. The house icon flashes during the
bypass.
3.7
Filter Indicator
After 500 hours of operation, an icon appears to
indicate that the filter needs replacement. Once the
filter is replaced, press
[ Filter ]
remove the icon and reset the counter.
3.8
Battery Indicator
An icon appears when the batteries need replacement.
This icon will flash for 120 days, then the thermostat will
cut power to the heating/cooling unit. The icon
disappears once the batteries are replaced and the
thermostat reinstalled on its base.
Warning: Before removing the batteries, place the sys-
tem switch on the thermostat to Off. Otherwise, the
heating/cooling unit might still be running even after the
batteries are removed.
After replacing the batteries, set the time and day (see
section 5.1).
Note: The temperature and schedule settings are not erased when
the batteries are removed.
TH147-P
buttons. The setpoint is displayed for 5
symbol on the display. During the
buttons to change it.
[ Mode
]. The current period
Return home
Sleep
buttons) when the
for 3 seconds to
Configuration Menu
DISPLAY
DESCRIPTION
Temperature display
Time display
1
Early Start
Heating cycles per hour
Cooling cycles per hour
1
When Early Start is enabled (On), the thermostat determines when heat-
ing or cooling should start so the desired temperature is reached at the set
time.
2
When either the heating or cooling parameter is displayed, use the Heat/
Cool selector switch to alternate between the two parameters.
3
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-effi-
ciency furnace), 4=15 min (gas or oil), 5=12 min (alternate setting for gas or
oil), 6=10 min (electric).
4
The corresponding cycle lengths are: 2=30 min., 3=20 min., 4=15 min.,
5=12 min., 6=10 min.
To access the configuration menu, press the backlight button for
3 seconds.
To go to the next parameter (menu item), briefly press the
backlight button.
To modify a parameter, press
Repeat steps 2 and 3 if necessary.
Press the backlight button for 3 seconds to exit the configuration
menu.
Programming
5.1
Setting the Time and Day
Press
[ Clk
]. The hour flashes.
Set the hour using
.
Press
[ Clk
]. The minutes flash.
Set the minutes using
Press
[ Clk
]. The day flashes.
Set the day using
.
Press
[ Exit ]
to exit.
5.2
Pre-programmed Schedule
When set in automatic mode, the thermostat follows the programmed
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.
Pre-programmed settings
Heating
21°C (70°F)
Cooling
25.5°C (78°F)
Heating
16.5°C (62°F)
Cooling
29.5°C (85°F)
Heating
21°C (70°F)
Cooling
25.5°C (78°F)
Heating
16.5°C (62°F)
Cooling
28°C (82°F)
DEFAULT
OPTIONS
°C
°C or °F
12 h
12 h or 24 h
Off
On or Off
2
4
2, 3, 4, 5 or 6
2
4
2, 3, 4, 5 or 6
.
.
MO TU WE TH
FR
6:00 a.m.
8:00 a.m.
6:00 p.m.
10.00 p.m.
4.
3
4
5.
SA
SU
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