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I
Basic Configuration
Comfort
Economy
setpoint
setpoint
Time and
day settings
Schedule
programming
Select
operating
mode
Select fan
mode
Select
control
mode
To adjust the temperature or to
view a setpoint (press once)
Current time
(see 1.5)
See table below
Current control
mode (see 2.1)
Programmable models only. Automatic Operating mode is
executing your schedule.
This icon is always displayed with the
represent the programs setpoints.
Programmable models only. Manual Operating mode. This
icon is either displayed alone (a manual setpoint was set) or
with the
or
icon
Comfort setpoint. Associated with programs 1 and 3.
Can also be used with manual mode or during a bypass.
Economy setpoint. Associated with programs 2 and 4.
Can also be used with manual mode or during a bypass.
Unoccupied setpoint. Activated from the TH144 or remotely
(REM input is connected to a remote system)
The fan runs continuously.
The heating system is ON.
The air conditioning system is ON.
TH144
Unoccupied
Heat Pump Fault
setpoint
(red)
Yellow indicator
1H1C/2H2C
(Unoccupied)
2H1C/3H2C
(Emergency Heat
control mode is
selected and the
Aux. heat is on)
PROGRAMMABLE
NON PROGRAMMABLE
Current day (see 1.5)
Room temperature OR
setpoint (arrow)
REM = temperature is
controlled using AC144-02
(see 1.4)
OUT = outside temperature
from the connected
AC144-02 (see 1.4)
or
icon which
2.1
Select the Control Mode
2.
The mode indicates which system is used for temperature control.
Use the Heat / Cool button to select one of the following modes:
HEAT
Controls the heating unit(s).
COOL
Controls the cooling unit(s).
Both units (HEAT and COOL) are OFF. The fan function
OFF
is still enabled but no setpoint changes are allowed.
Automatic changeover. Automatically alternates
AUTO
between HEAT and COOL. See section 4.5 for details.
2.2
Predefined Setpoints
Predefined setpoints represent the temperature that you wish to have
during the day, at night or while you are away. The Comfort and
Economy setpoints are used with the Automatic mode (schedule, for
programmable models) while the Unoccupied setpoint can be used
with the Unoccupied mode (activated manually or remotely). This
table displays the default setpoints:
Symbol
2.2.1 To Modify the Predefined Setpoints
NOTE:
If your thermostat controls both HEATING and COOLING, the
predefined setpoints must be configured for both applications.
NOTE:
The Cool setpoints cannot be lower than the Comfort Heat
setpoint. If this should happen, the TH144 will automatically set your
Cool setpoint 1°C (1°F) higher than your Comfort Heat setpoint.
HEAT
2.3
View the Current Setpoint
To view the current setpoint, briefly press one
of these buttons
indicates the setpoint.
Predefined
HEAT
Setpoint
Comfort
21°C (70°F)
Economy
17°C (62°F)
Unoccupied
10°C (50°F)
once. The arrow
400-144-003-C
2008-02-08
COOL
25°C (78°F)
28°C (82°F)
35°C (95°F)
COOL
3/6
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