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3. Temperature Setting
Appears when the
temperature setpoint
is displayed
Heating is On
Auxiliary heating is On
Temperature adjustment
mode (appears when the
system is in automatic
mode, disappears when it
is in manual mode)
3.1
Temperature Display
The controller normally displays the measured indoor temperature.
To view the setpoint, press one of the
the
symbol will be displayed for the next 5 seconds.
3.2
Manual Temperature Setting
Use this mode to set the temperature manually. To place the
controller in this mode, press Auto/Man so that
the screen. Set the temperature using the
NOTE: If the controller is in automatic heat/cool changeover (see
section 2.2), the setpoint is automatically reduced or raised by 1°C
(1.8°F) when the controller switches to heating mode or to cooling
mode respectively. For example, if the setpoint is 24°C (75°F) in
heating mode, it will become 25°C (77°F) in cooling mode and will
return to 24°C (75°F) when the controller switches back to heating
mode.
3.3
Automatic Temperature Setting
Use this mode if you want the controller to adjust the temperature
according to the programmed schedule. To place the controller in
this mode, press Auto/Man so that
Pre-programmed Schedule
The following schedule has been programmed at the factory. Two
temperature settings are programmed for each period of the
schedule: a heating setpoint and a cooling setpoint.
Pre-programmed Schedule
Heating
21°C (70°F)
P1
Cooling
25.5°C (78°F)
Heating
16.5°C (62°F)
P2
Cooling
29.5°C (85°F)
Heating
21°C (70°F)
P3
Cooling
25.5°C (78°F)
Heating
16.5°C (62°F)
P4
Cooling
28°C (82°F)
Modifying the Schedule
You can program up to 4 periods per day. To program a period, you
need to set the start time, the heating setpoint and the cooling
setpoint. The program can be different for each day of the week.
TH146-P-U
Indoor temperature
Cooling is On
System operating mode
Fan operating mode (ap-
pears when the fan is in
continuous mode, disap-
pears when it is in automatic
mode)
buttons. The setpoint and
disappears from
buttons.
appears on the screen.
MO TU WE TH FR SA SU
6:00 a.m.
8:00 a.m.
--
6:00 p.m.
--
10:00 p.m.
• Press Pgm to enter the programming mode. The settings for
Monday, Period 1 (P1) appear.
• To select a day to program, press Day until the day is displayed.
Press for 3 seconds to select all 7 days.
NOTE: If you select all 7 days, the settings of the displayed
period will be copied to all 7 days. For example, if you select all
7 days while period 1 is displayed, they will all now have the
same settings for period 1. If you display period 2 while all 7
days are selected, they will all now have the same settings for
period 2.
• To set the start time of a period, press Pgm until the period
number (P1 to P4) is displayed and the time display flashes. Then
press the
buttons. The time changes in increments of 15
minutes.
NOTE: To skip a period, display the period and press Clr. For
example, in the pre-programmed schedule, periods 2 and 3
have been skipped for Saturday and Sunday.
• To set the temperatures for a period, press Pgm until the period
number (P1 to P4) is displayed and the temperature display
flashes. If necessary, press Mode to display the heating setpoint
or the cooling setpoint. Press the
temperature.
NOTE: The cooling setpoint is always higher than the heating
setpoint by a minimum of 1°C (1.8°F). For example, if the
cooling setpoint is 22°C (72°F) and you set the heating setpoint
to 23°C (73°F), the cooling setpoint will automatically become
24°C (75°F). However, if you raise the heating setpoint to 21°C
(70°F), the cooling setpoint will remain at 22°C (72°F). The
same principle applies when you set the cooling temperature.
• Press
to exit.
The following diagram shows how to navigate the programming
menu.
MO
6:00
Pgm
P1
Heat
Cool
Mode
21
25.5
Pgm
8:00
Pgm
P2
Heat
Cool
Mode
16.5
29.5
Temporary Bypass
When you modify the temperature setpoint while the controller is in
automatic mode, the new temperature is used for the next 2 hours.
The
icon flashes during the bypass. After the bypass, the
temperature set for the current period is used.
buttons to set the
TU
6:00
Day
Pgm
Cool
Heat
Mode
21
25.5
Pgm
8:00
Pgm
Day
Heat
Cool
Mode
16.5
29.5
2/4
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