Aube TH146 P U Thermostat User Manual

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TH146-P-U  
Installation Guide  
Programmable H/C Controller  
Removable  
Connector *  
Removable  
Connector *  
AC144-03 Outdoor  
Temperature Sensor  
TH146-P User Console  
CT280-3H3C Control Module  
*
To remove a connector from the control module, pry with a screwdriver.  
1
. Introduction  
2. Installation  
1
.1 Applications  
2.1 Control Module (CT280-3H3C)  
The TH146-P-U programmable controller can be used with any of  
the following heating/cooling systems:  
Configure the control module according to your type of heating/cool-  
ing system using DIP switches on the back of the module.  
Heat pump  
HVAC  
Heat pump  
HVAC  
1H1C, 2H1C, 2H2C, 3H1C, 3H2C, 3H3C, 4H2C  
1H, 2H, 3H, 1C, 2C, 3C, 1H1C, 1H2C, 2H1C, 2H2C,  
H3C, 3H1C, 3H2C, 3H3C  
2
The following devices can be connected to the controller:  
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
air recirculation fan  
humidifier  
dehumidifier or air exchanger  
dual-register meter (dual energy)  
remote control device (for the unoccupied mode)  
1
•
•
•
.2 Supplied Parts  
CT280-3H3C control module  
Install the control module near the heating/cooling system, away  
from any heat source.  
TH146-P console with two wall anchors and mounting screws  
AC144-03 outdoor temperature sensor (3 m or 10 ft) with mount-  
ing clip (see section 2.7)  
2
.2 User Console (TH146-P)  
Install the console in a central location. Avoid locations with air  
drafts (e.g., top of staircase or air outlet) or stagnant air (behind a  
door). Do not install the console on a wall hiding air ducts nor  
expose it to direct sunlight.  
1
•
•
•
.3 Accessories  
RC845 relay (see section 2.4)  
AC146-410 plenum temperature sensor (see section 2.8)  
CT241 telephone controller (see section 2.10)  
NOTE: If this controller replaces an old thermostat, any two of the  
wires that were connected to the thermostat can be used to connect  
the user console to the control module. The maximum wiring length  
is 30 m (100 ft).  
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needed if the heat pump is not connected to the controller  
terminal WW.)  
n Choose a location about 1.5 m (5 ft) above the floor on an  
inside wall.  
Install the sensor on the side of the plenum and  
position it such that its aperture faces the air  
flow.  
o Loosen the captive screw under the console.  
p Detach the console from its base by pulling the bottom section.  
q Secure the base using the wall anchors and screws.  
Connect the sensor to controller terminals PS  
and CS (no polarity). For more information,  
refer to the instructions provided with the sen-  
sor.  
r Connect the console to controller terminals TH and TH (no  
polarity).  
NOTE: The maximum wiring length is 30 m  
2
.3 Heating/Cooling System  
(100 ft).  
The terminals used to connect the heating/cooling system depend  
on the type of system. See the appropriate wiring table on page 4.  
2
.9 Dual-energy Input  
NOTE: The dual-energy input can be used only with a heat pump  
2
.4 RC845 Relay  
If you have an add-on installation, you might need an RC845 relay  
to connect the furnace (auxiliary heating) and its fan to the control-  
ler. Install the relay near the control module and connect the wires  
as follows:  
equipped with auxiliary heat.  
The dual-energy input can be connected to the dual-register meter  
equipped with a normally open (NO) dry contact. Connect the con-  
troller terminals DE and CC to the meter terminals (yellow and red  
wires).  
•
•
relay terminals W, G and C to controller terminals W1, G and C.  
The contact closes when the outdoor temperature drops below the  
temperature setting on the meter. When the contact is closed, the  
heat pump is disabled and only the auxiliary heat can be used.  
relay terminals T and T to the appropriate furnace terminals: T  
and T (oil); TH and TH (gas); R and W (electric).  
NOTE: Refer to the relay’s installation instructions for more details.  
If you have a 3H1C or 4H2C heat pump, a second RC845 relay  
might be required to connect the second auxiliary heat.  
2
.10 Unoccupied Mode Input  
To use the unoccupied mode, the controller requires a remote con-  
trol device such as Aube’s CT241 telephone controller equipped  
with a normally open (NO) dry contact placed between terminals UN  
and CC of the controller. The unoccupied mode is activated when  
the contact closes. (See section 6.4.)  
2
.5 Humidifier  
Connect the humidifier in series with the power supply between  
controller terminals H and H (dry contact).  
2
.6 Dehumidifier / Air Exchanger  
3. Configuration  
Connect the dehumidifier or air exchanger in series with the power  
supply between controller terminals D and D (dry contact).  
3
.1 Configuration Switches  
To access the configuration switches, loosen the captive screw  
under the console and separate the console from its base by pulling  
the bottom section.  
2
.7 Outdoor Sensor (AC144-03)  
The outdoor sensor is required for the following:  
•
•
•
•
•
outdoor temperature display  
3
.1.1 Access Mode (SW1-1)  
balance points (heat pumps only, see section 4.2)  
defrost point (heat pumps only, see section 4.3)  
automatic humidity control (see section 7.2)  
use of an air exchanger (see section 4.10)  
INST: Installer mode. Gives access to all configuration parameters.  
NOTE: In installer mode, the short-cycle protection is disabled  
and the interstage delay is reduced to 1 minute.  
USER: User mode. Gives access to configuration parameters 1 to 4  
only.  
When installing the sensor, observe the following guidelines:  
•
Avoid locations where the sensor can be covered with snow  
or exposed to direct sunlight.  
Avoid air outlets and concealed chimneys or stove pipes.  
3.1.2 Keypad Lock (SW1-2)  
I: The keypad is locked. Settings cannot be changed.  
O: The keypad is unlocked.  
•
Install the sensor using its mounting clip and connect it to controller  
terminals OS and CS (no polarity).  
3
.2 Software Configuration  
NOTE: The maximum wiring length is 30 m (100 ft).  
n Place the console in Installer mode (INST) using the SW1-1  
2
.8 Plenum Sensor (AC146-410)  
switch on the back of the console.  
o Press the Mode button for 3 seconds to access the configura-  
tion menu (see page 8). The first menu item (parameter) is dis-  
played.  
The plenum sensor is required for the following:  
•
•
•
•
low temperature limit inside the plenum (HVAC only)  
high temperature limit inside the plenum (HVAC only)  
fan limit if gas heating is used (HVAC only)  
high pressure protection during defrost cycle (This protection  
is generally needed for add-on installations only. It is not  
p To view another menu item, briefly press the Mode button.  
q To modify a parameter, press either  
r To exit the configuration menu, press  
button.  
.
s Return the console to User mode (USER).  
TH146-P-U  
400-280-010-B  
5/24/07  
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•
New Installation: In this type of installation, as there is not already a  
furnace, the auxiliary heat source is installed at the same time as the  
heat pump. In this type of installation, the indoor coils are located  
upstream of the auxiliary heat. When the controller is configured for a  
new installation, the heat pump and the auxiliary heat can operate  
simultaneously.  
4
. Principles of Operation  
4
.1 Automatic Heating/Cooling Changeover  
With automatic heating/cooling mode changeover, there’s no need to adjust  
the controller at every change of season or weather condition. The controller  
switches automatically between heating mode and cooling mode to maintain  
the desired temperature.  
4
.5 Interstage Delay  
Interstage Delay is the time allocated for the temperature to return to an  
acceptable value when it deviates too far from the setpoint. If this time has  
elapsed, the next heating or cooling stage is activated. The heating or cool-  
ing stage will be deactivated when the temperature returns to an acceptable  
value. The Interstage Delay is fixed at 4 minutes if the controller is config-  
ured for an HVAC system and is user-adjustable if it is configured for a heat  
pump (see page 8, item 9).  
Manual Mode  
When the controller is in manual mode, the heating/cooling mode  
changeover occurs as follows:  
•
The controller switches to cooling mode when the indoor temperature  
is higher than the setpoint by more than 1.5°C (2.5°F) for 15 minutes.  
The controller switches the heating mode when the indoor temperature  
is lower than the setpoint by more than 1.5°C (2.5°F) for 15 minutes.  
•
Automatic Mode  
4.6 Low and High Temperature Limits  
When the controller is in automatic mode, it follows the programmed sched-  
ule. Two temperature settings (heating setpoint and cooling setpoint) are  
programmed for each period of the schedule. The heating/cooling mode  
changeover occurs as follows:  
Low Temperature Limit (LLMT) and High Temperature Limit (HLMT) are  
used to keep the plenum from becoming too cold or too hot. During cooling,  
if the plenum temperature is lower than LLMT, a cooling stage is deactivated  
starting with the one that was last activated. If, after a while, the temperature  
is still too low, another cooling stage is deactivated and so on. Likewise, dur-  
ing heating, if the plenum temperature is higher than HLMT, a heating stage  
is deactivated starting with the one that was last activated. If, after a while,  
the temperature is still too high, another heating stage is deactivated and so  
on. (see page 8, items 10 and 11.)  
•
When the controller is in heating mode, the indoor temperature is main-  
tained at the heating setpoint. However, if the temperature rises and  
remains above the cooling setpoint for 15 minutes, the controller will  
switch to cooling mode.  
•
When the controller is in cooling mode, the indoor temperature is main-  
tained at the cooling setpoint. However, if the temperature drops and  
remains below the heating setpoint for 15 minutes, the controller will  
switch to heating mode.  
WARNING: LLMT and HLMT can be used in parallel with an UL353-  
approved device but they do not replace such device.  
NOTE: LLMT and HLMT cannot be used if the plenum temperature sensor is  
not connected to the controller.  
4
.2 Balance Points (heat pumps only)  
4
.7 Smart Fan  
Balance Points are used to disable the heat pump or the auxiliary heating  
when the outdoor temperature is below or above a set temperature.  
When Smart Fan is enabled (see page 8, item 15), the fan operates as fol-  
lows:  
•
When the outdoor temperature is below the Balance Point Low  
bP L), the heat pump is disabled and only auxiliary heating can be  
(
•
During periods 2 and 4 of automatic mode and during the unoccupied  
mode (i.e., when you are away from home or sleeping), the fan oper-  
ates only when heating or cooling is activated.  
used (see page 8, item 5).  
•
When the outdoor temperature is above the Balance Point High (bP H),  
the auxiliary heat is disabled and only the heat pump can be used (see  
page 8, item 6).  
•
The fan operates continuously the rest of the time.  
NOTE: For Smart Fan to work, set the fan to On (see section 5.3).  
NOTE: Balance Points cannot be used if the AC144-03 outdoor temperature  
sensor is not connected to the controller.  
4
.8 Automatic Humidification / Dehumidification Changeover  
4
.3 Heating During Defrost (heat pumps only)  
If a humidifier and a dehumidifier are both connected to the controller, the  
controller will automatically switch between the two devices to maintain the  
desired humidity level. The changeover occurs when the humidity deviates  
from the setpoint by more than 3% for 30 minutes.  
The auxiliary heat is activated during defrost except under the following con-  
ditions:  
•
When the outdoor temperature is above the defrost point (see page 8,  
item 7). Note: This condition will not apply if the AC144-03 outdoor sen-  
sor is not connected to the controller.  
4.9 Dehumidification by Droop  
•
When the plenum temperature is above 40°C (104°F). The auxiliary  
heat is re-activated when the plenum temperature drops below 32°C  
(
Dehumidification by droop is a method of dehumidification without using a  
dehumidifier. This method is possible only if your system has a cooling  
stage. When this feature is enabled (see page 8, item 18), if the humidity  
level is too high, the temperature is temporarily lowered below the setpoint  
to reduce the indoor humidity level.  
90°F). Note: This condition will not apply if the AC146-410 plenum  
sensor is not connected to the controller.  
NOTE: The auxiliary heat’s short-cycle protection is disabled during defrost.  
NOTE: Dehumidification by droop can cause overcooling.  
4
.4 Types of Heat Pump Installations  
The controller can be configured for either of the following types of heat 4.10 Dehumidification by Air Exchanger  
pump installations (see page 8, item 8).  
Dehumidification using an air exchanger will not be efficient if the outdoor  
temperature is too high. When an air exchanger is used, the controller will  
disable dehumidification if the outdoor temperature is NOT lower than the  
indoor temperature by more than 5°C (9°F). When this occurs, the message  
HIGH TEMP is displayed.  
•
Add-on Installation: This type of installation is performed when adding  
a heat pump to an existing furnace. When the heat pump is installed,  
the furnace becomes the auxiliary heat source. In this type of installa-  
tion, the indoor coils are usually installed downstream of the auxiliary  
heat source. When the controller is configured for an add-on installa-  
tion, the heat pump is disabled during auxiliary heating to prevent over-  
pressure.  
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5/24/07  
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Wiring Tables  
Heat Pump  
2H1C  
Terminal  
TH  
TH  
PS  
CS  
OS  
DE  
CC  
UN  
H
Device  
1H1C  
3H1C  
2H2C  
3H2C  
4H2C  
3H3C  
Console  
Connect the console between the TH terminals (no polarity)  
Plenum sensor  
Common S  
Connect the plenum sensor between the PS and CS terminals (no polarity)  
Common terminal for the plenum sensor and the outdoor sensor  
Outdoor sensor  
Dual Energy  
Connect the outdoor sensor between the CS and OS terminals (no polarity)  
Connect the dual-register meter between the DE and CC terminals (no polarity)  
Common terminal for the dual-energy meter and the unoccupied mode input  
Connect a dry contact between the UN and CC terminals (no polarity)  
Common C  
Unoccupied mode input  
Humidifier (24 Vac / 1 A)  
Connect the humidifier between the H terminals (dry contact)  
Connect the dehumidifier between the D terminals (dry contact)  
H
D
Dehumidifier (24 Vac / 1 A)  
Power (24 Vac)  
D
R
√
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√
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√
√
√
√
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√
√
√
√
C
Y1  
Compressor 1 (24 Vac / 1 A)  
Compressor 2 (24 Vac / 1 A)  
Compressor 3 (24 Vac / 1 A)  
Auxiliary heat 1 (24 Vac / 1 A)  
Auxiliary heat 2 (24 Vac / 1 A)  
Reversing valve (24 Vac / 1 A)  
Fan (24 Vac / 1A)  
Y2  
Y3  
W1  
W2  
W3/O/B  
G
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
L
Fault (24 Vac / 5 mA)  
WW  
NC  
Defrost (24 Vac / 5 mA)  
Not used  
HVAC  
2C  
Terminal  
TH  
TH  
PS  
CS  
OS  
DE  
CC  
UN  
H
Device  
1H  
2H  
3H  
1C  
3C  
1H1C 1H2C 2H1C 2H2C 2H3C 3H1C 3H2C 3H3C  
Console  
Connect the console sensor between the TH terminals (no polarity)  
Plenum sensor  
Common S  
Connect the plenum sensor between the PS and CS terminals (no polarity)  
Common terminal for both plenum sensor and outdoor sensor  
Connect the outdoor sensor between the OS and CS terminals (no polarity)  
Not used  
Outdoor sensor  
Common C  
Common terminal for the unoccupied mode input  
Unoccupied mode input  
Connect a dry contact between UN and R terminals (no polarity)  
Humidifier (24 Vac / 1 A)  
Connect the humidifier between the H terminals (dry contact)  
H
D
Dehumidifier (24 Vac / 1 A) Connect the dehumidifier between the D terminals (dry contact)  
D
R
√
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√
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√
√
√
√
√
√
√
√
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Power (24 Vac)  
C
Y1  
Y2  
Y3  
W1  
W2  
Cooling unit 1 (24 Vac / 1 A)  
Cooling unit 2 (24 Vac / 1 A)  
Cooling unit 3 (24 Vac / 1 A)  
Heating unit 1 (24 Vac / 1 A)  
Heating unit 2 (24 Vac / 1 A)  
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
W3/O/B Heating unit 3 (24 Vac / 1 A)  
G
L
Fan (24 Vac / 1 A)  
√
√
√
√
√
√
√
Not used  
Not used  
Not used  
WW  
NC  
TH146-P-U  
400-280-010-B  
5/24/07  
4/12  
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Wiring Diagram: 2H1C Heat Pump — New Installation  
Compressor  
Auxiliary Heat  
Reversing Valve  
AC146-410  
AC144-03  
Dual Energy  
CT241  
Fan  
Fault  
Humidifier  
Dehumidifier  
Defrost  
TH146-P-U  
400-280-010-B  
5/24/07  
5/12  
href="
Wiring Diagram: 3H2C Heat Pump — Add-on Installation  
Compressor 1  
Compressor 2  
Reversing Valve  
AC146-410  
AC144-03  
Dual Energy  
CT241  
Fault  
Humidifier  
Defrost  
Dehumidifier  
Furnace  
TH146-P-U  
400-280-010-B  
5/24/07  
6/12  
href="
Wiring Diagram: 3H2C HVAC  
Cooling Unit 1  
Cooling Unit 2  
AC146-410  
AC144-03  
Heating Unit 1  
Heating Unit 2  
CT241  
Humidifier  
Heating Unit 3  
Fan  
Dehumidifier  
TH146-P-U  
400-280-010-B  
5/24/07  
7/12  
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Configuration Menu  
Item  
HP  
HVAC  
Parameters  
Display  
Options  
Default  
Description  
1
√
√
Time format  
12 Hr / 24 Hr  
24 Hr  
Select the time display format.  
•
On: Heating or cooling starts in advance (as determined by the control-  
ler) so that the desired temperature is attained at the set times.  
•
OF (Off): Heating or cooling starts at the set times.  
2
3
√
√
√
Early Start  
On / OF  
OF  
NOTE: Early Start applies for periods 1 and 3 (P1 and P3) only. When this  
feature is enabled, heating or cooling will start in advance of the set time for  
P1 and P3 but will start at the set time for P2 and P4.  
•
•
OF (Off): The function is deactivated.  
1 : The controller switches to daylight savings time on the first Sunday of  
April and to normal time on the last Sunday of October.  
Automatic daylight  
savings adjustment  
√
√
OF / 1 / 2  
°C / °F  
OF  
°C  
•
2 : The controller switches to daylight savings time on the second Sun-  
day of March and to normal time on the first Sunday of November.  
4
5
√
√
Temperature format  
Balance point low  
Select the temperature display format.  
Set the bP L limit (see section 4.2).  
NOTE: Lower bP L below its minimum (- -) if you do not wish to use this  
function.  
-
(
30 to 10°C  
-22 to 50°F)  
-10°C  
(14°F)  
Set the bP H limit (see section 4.2).  
NOTE: Raise bP H above its maximum (- -) if you do not wish to use this  
function.  
-
5 to 30°C  
5°C  
(41°F)  
6
7
√
√
Balance point high  
Defrost point  
(
23 to 86°F)  
Set the defrost point temperature (see section 4.3).  
NOTE: Raise the defrost point above its maximum (- -) if you do not wish to  
use this function.  
-
(
10 to 15°C  
14 to 59°F)  
10°C  
(50°F)  
Set according to the type of heat pump installation (see section 4.4).  
•
Ad (add-on): Use this setting when the indoor coils are located down-  
stream of the auxiliary heat source. This is generally the case for add-on  
installations.  
8
9
√
√
Installation type  
Ad / nr  
Ad  
•
nr (normal): Select this setting when the indoor coils are located  
upstream of the auxiliary heat source. This is generally the case for new  
installations.  
Auxiliary  
interstage delay  
5 to 90 min.  
30 min.  
Set the interstage delay for the auxiliary stage (see section 4.5).  
Set the low temperature limit of the plenum (see section 4.6).  
NOTE: This function is not used if you lower LLMT below its minimum  
-
10 to 20°C  
5°C  
(41°F)  
1
0
√
√
Low temperature limit  
High temperature limit  
(
14 to 68°F)  
(
- -) or if the plenum temperature sensor is not connected to the controller.  
Set the high temperature limit of the plenum (see section 4.6).  
NOTE: This function is not used if you raise HLMT above its maximum (- -)  
or if the plenum temperature sensor is not connected to the controller.  
3
0 to 90°C  
70°C  
(158°F)  
11  
(
86 to 194°F)  
Select the number of heating/cooling cycles per hour. For optimal heating  
control, use the setting that matches your system as follows: 3=20 min (hot  
water, 90%+ high-efficiency furnace), 4=15 min (gas or oil), 5=12 min (gas  
or oil), 6=10 min (electric).  
12  
13  
14  
√
√
√
√
Cycles per hour  
2 to 6  
4
This setting determines the fan operation in automatic mode when the sys-  
tem is in heating mode (see section 5.3).  
•
EL (electric heating): The fan starts and stops at the same time as heat-  
ing.  
Heat type  
GA / EL  
EL  
•
GA (gas or oil heating): The fan starts when the temperature inside the  
plenum rises above the Fan Limit (see item 14) and stops when the tem-  
perature drops 12°C below the Fan Limit. NOTE: The fan will not start if  
the plenum temperature sensor is not connected to the controller.  
This parameter is available only when gas heating is selected (see item 13).  
WARNING: FLMT can be used in parallel with an UL353-approved device  
but they do not replace such device.  
3
8 to 90°C  
100 to 194°F)  
80°C  
(176°F)  
Fan limit  
(
NOTE: The fan will not start if you raise FLMT above its maximum (--).  
•
•
On: Smart Fan is On (see section 4.7).  
OF: Smart Fan is Off.  
1
5
6
√
√
√
√
Smart Fan  
On / OF  
OF  
0
to 9°C  
0°C  
(0°F)  
Set the amount of temperature setback when the controller is placed in  
Unoccupied mode (see section 6.4).  
1
Temperature setback  
(
0 to 16°F)  
•
Co (conventional): The humidifier will operate if the humidity is too low. If  
the fan is not already On, it will turn On at the same time as the humidi-  
fier.  
Humidifier  
operating mode  
17  
√
√
Co / HE / Fn  
Fn  
•
•
HE (heat): The humidifier can operate only when heating is activated.  
Fn (fan): The humidifier can operate as long as the fan is running,  
whether heating is activated or not.  
NOTE: The humidifier is disabled when cooling is activated.  
Set according to the type of dehumidifier used.  
•
•
•
Co (conventional): Select this setting when using a dehumidifier (except  
an air exchanger) or when you do not wish to dehumidify.  
1
8
9
√
√
√
√
Dehumidifier type  
Co / AE / dr  
0 - 60 min.  
Co  
0
AE (air exchanger): Select this setting when using an air exchanger (see  
section 4.10).  
dr (droop): Select this setting to dehumidify by droop (see section 4.9).  
This parameter is available only if the controller is configured for using an  
air exchanger (see item 18). Use it to set the minimum air exchange time  
Minimum air  
exchange time  
1
(
see section 8.3).  
Note: Only items 1 to 4 are available when the controller is placed in user mode (SW1-1 switch).  
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TH146-P-U  
User’s Guide  
Programmable H/C Controller  
Indicator LEDs  
FAULT: System fault  
EH: Emergency heat mode  
DE: Dual energy  
Indicator LEDs  
Day  
Time and day setting  
Programming  
Temperature  
adjustment  
mode selection  
Clock  
Fan operating  
mode selection  
Program day selection  
Program clear  
Backlight  
Indoor temperature  
The screen is lit for 12 seconds  
when any button is pressed.  
However, the screen remains lit  
while you are configuring the  
controller.  
System operating  
mode selection  
Indoor humidity  
Humidity setting  
Return  
Outdoor temperature  
Up/Down buttons  
5
. General Setting  
6. Temperature Setting  
5
.1 Clock and Day Setting  
6.1 Display  
n Press Clk. The hour display flashes.  
o Set the hour using  
p Press Clk. The minute display flashes.  
q Set the minutes using  
r Press Clk. The day display flashes.  
s Set the day using  
t Press to return to the normal display.  
Appears when the  
temperature setpoint  
is displayed  
.
Indoor temperature  
Cooling is On  
Heating is On  
.
System operating mode  
Auxiliary heating is On  
.
Temperature adjustment  
Fan operating mode (ap-  
pears when the fan is in  
continuous mode, disap-  
pears when it is in automat-  
ic mode)  
mode (appears when the  
system is in automatic  
mode, disappears when it  
is in manual mode)  
5
.2 Date Setting  
n Press Clk for 3 seconds to display the year.  
o Set the year using  
p Press Clk to display the month.  
q Set the month using  
r Press Clk to display the date.  
s Set the date using  
t Press to return to the normal display.  
.
The controller normally displays the measured indoor temperature.  
To view the setpoint, press one of the buttons. The setpoint and  
the symbol will be displayed for the next 5 seconds.  
.
.
6.2 System Operating Mode  
Press Mode to place the system in one of the following modes:  
5
.3 Fan Operating Mode  
HEAT  
COOL  
The system is in heating mode.  
The system is in cooling mode.  
Press the Fan button to select the fan operating mode.  
•
In automatic mode, the fan runs only when heating or cooling is  
activated. NOTE: For gas-operated HVAC systems, there might  
be a delay before the fan starts or stops when heating is acti-  
vated or deactivated.  
The system is in automatic changeover mode. (The system  
switches between heating mode and cooling mode to main-  
tain the desired temperature.)  
AUTO  
OFF  
The system is off.  
•
In continuous mode, the fan runs continuously and the  
sym-  
bol is displayed. NOTE: if Smart Fan is enabled, when the con-  
troller is in periods 2 and 4 of automatic mode and in  
unoccupied mode, the fan will run only when heating or cooling  
is activated. The fan will run continuously the rest of the time  
The system is in emergency heat mode. Only auxiliary heat-  
ing is used when there is a call for heat. (This mode applies  
only when the controller is connected to a heat pump  
equipped with auxiliary heating).  
EHEAT  
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point 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). How-  
ever, 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.  
6
.3 Temperature Adjustment  
6
.3.1 Manual Adjustment  
Use this mode to set the temperature manually. To place the con-  
troller in this mode, press Auto/Man so that disappears from the  
screen. Set the temperature using the  
•
Press  
to exit.  
buttons.  
The following diagram shows how to navigate the programming  
menu.  
NOTE: If the controller is in automatic heat/cool changeover (see  
section 6.2), 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.  
MO  
:00  
TU  
6
6:00  
Pgm  
Day  
Pgm  
6.3.2 Automatic Adjustment  
P1  
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 appears on the screen.  
Heat  
Cool  
25.5  
Heat  
21  
Mode  
Cool  
25.5  
Mode  
2
1
Pre-programmed Schedule  
Pgm  
Pgm  
The following schedule has been programmed at the factory. Two  
temperature settings are programmed for each period of the sched-  
ule: a heating setpoint and a cooling setpoint.  
8
:00  
8:00  
Pre-programmed Schedule  
MO TU WE TH FR SA SU  
:00 a.m.  
Pgm  
Day  
Pgm  
P2  
Heating  
21°C (70°F)  
6
P1  
P2  
P3  
P4  
Heat  
Mode  
Cool  
Heat  
16.5  
Cool  
Cooling 25.5°C (78°F)  
Heating 16.5°C (62°F)  
Cooling 29.5°C (85°F)  
Mode  
16.5  
29.5  
29.5  
8
:00 a.m.  
:00 p.m.  
--  
--  
Temporary Bypass  
Heating  
21°C (70°F)  
6
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 temper-  
ature set for the current period is used.  
Cooling 25.5°C (78°F)  
Heating 16.5°C (62°F)  
1
0:00 p.m.  
Cooling  
28°C (82°F)  
Modifying the Schedule  
6
.4 Unoccupied Mode  
You can place the controller in the unoccupied mode using a remote  
control device such as Aube’s CT241 telephone controller. In this  
mode, the temperature is lowered in heating mode or raised in cool-  
ing mode (see page 8, item 16). The message UNOC appears during  
the unoccupied mode.  
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 set-  
point. The program can be different for each day of the week.  
•
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 dis-  
played. Press for 3 seconds to select all 7 days.  
NOTE: Automatic changeover is disabled during the unoccupied  
mode.  
NOTE: If you select all 7 days, the settings of the displayed  
Temporary Bypass  
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  
In the unoccupied mode, only the  
buttons work. When you  
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.  
adjust the temperature during this mode, the new temperature will  
be used for the next 2 hours, after which the controller will return to  
the previous setpoint. The message UNOC flashes during the bypass.  
•
•
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  
5 minutes.  
buttons. The time changes in increments of  
1
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 set-  
point or the cooling setpoint. Press the  
temperature.  
buttons to set the  
NOTE: The cooling setpoint is always higher than the heating set-  
point by a minimum of 1°C (1.8°F). For example, if the cooling set-  
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7
. Humidity Setting  
8
.2 Manual Deactivation  
To deactivate the air exchange mode:  
7
.1 Display  
n Press the Hum button until one of the following appears on the  
screen.  
AUTO: The air exchanger is in humidity control mode (auto-  
matic adjustment).  
MAN: The air exchanger is in humidity control mode (manual  
adjustment).  
OFF: The air exchanger is Off.  
Appears when the  
humidity setpoint  
is displayed  
Appears when  
dehumidification is  
disabled because the  
outdoor temperature  
is too high  
o Press the  
button to return to normal display.  
Humidity level  
Humidifier is On  
8.3 Minimum Air Exchange Time  
Dehumidifier is On  
Humidity control mode  
auto, manual, off or  
air exchange)  
If the controller is configured for a minimum air exchange time every  
hour and that minimum has not already been attained by the end of  
the hour, the air exchanger will be activated regardless of the indoor  
humidity level (see page 8, item 19). Let’s say the minimum time is  
set to 10 minutes. If the air exchanger has operated for 7 minutes  
during a particular hour, it will automatically be activated for another  
3 minutes by the end of that hour.  
(
7
.2 Humidity Adjustment  
Manual Adjustment  
The humidity level is set by the user (5 to 60%).  
n Press the Hum button until MAN appears on the screen.  
9
. Technical Specifications  
o Press one of the  
buttons to adjust the humidity level.  
CT280-3H3C CONTROL MODULE  
Power supply: 24 VAC  
p Press the  
button.  
Automatic Adjustment  
The humidity level is set by the controller based on the outdoor tem-  
perature to prevent ice formation or condensation on the windows  
while providing enough humidity for your comfort. However, the user  
can apply an offset (-9 to 9%). For example, the user can enter a  
negative offset if there is ice formation or condensation on the win-  
dows.  
Current consumption: 150 mA  
Maximum load per output: 1 A @ 24 VAC  
Short cycle protection: 2 minutes  
Control cycles: 2 to 6 per hour  
Operating temperature: 0°C to 50°C (32°F to 122°F)  
Storage temperature: -20°C to 50°C (-4°F to 122°F)  
Humidity conditions: 0 to 95%, non-condensing  
Dimensions: 95 x 137 x 30 (3.8 x 5.4 x 1.2 in.)  
n Press the Hum button until AUTO appears on the screen. The  
humidity level set by the controller is also displayed.  
o Press one of the  
buttons to enter or change the offset.  
p Press the  
button.  
Off  
TH146-P USER CONSOLE  
To turn off the humidity control:  
Temperature setpoint range  
n Press the Hum button until OFF appears on the screen.  
Heating mode: 5°C to 30°C (40°F to 86°F)  
Cooling mode: 15°C to 40°C (59°F to 104°F)  
Humidity setpoint range: 5 to 60%  
o Press the  
button to save and exit the programming.  
Indoor temperature display range: 0°C to 70°C (32°F to 158°F)  
Outdoor temp. display range: -50°C to 70°C (-58°F to 158°F)  
Temperature display resolution: 0.5°C (1°F)  
Program protection: non-volatile memory  
8
. Air Exchange Duration Setting  
8
.1 Manual Activation  
If an air exchanger is connected to the controller, it can be used in  
either of the following modes:  
Operating temperature: 0°C to 50°C (32°F to 122°F)  
Storage temperature: -20°C to 50°C (-4°F to 122°F)  
Humidity conditions: 0 to 95%, non-condensing  
Dimensions: 79 x 79 x 24 mm (3.1 x 3.1 x 1 in.)  
•
•
Humidity control mode (see section 7.2)  
Air exchange mode (see below).  
In air exchange mode, the air exchanger is activated to circulate air  
between indoors and outdoors regardless of the indoor humidity  
level). To activate the air exchange mode:  
n Press the Hum button until AIR appears on the screen.  
o Set the duration you want the air exchanger to operate using  
the  
buttons. Select 10 - 90 minutes for a specific duration  
or On for an indefinite length of time.  
p Press the button.  
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1
0.Warranty  
Aube warrants this product, excluding battery, to be free from  
defects in the workmanship or materials, under normal use and  
service, for a period of three (3) years from the date of purchase by  
the consumer. If at any time during the warranty period the product  
is determined to be defective or malfunctions, Aube shall repair or  
replace it (at Aube's option).  
If the product is defective,  
(i) return it, with a bill of sale or other dated proof of purchase, to  
the place from which you purchased it, or  
(
ii) contact Aube. Aube will make the determination whether the  
product should be returned, or whether a replacement product  
can be sent to you.  
This warranty does not cover removal or reinstallation costs. This  
warranty shall not apply if it is shown by Aube that the defect or  
malfunction was caused by damage which occurred while the  
product was in the possession of a consumer.  
Aube's sole responsibility shall be to repair or replace the product  
within the terms stated above. AUBE SHALL NOT BE LIABLE FOR  
ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY  
INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING,  
DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY  
WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE  
OF THIS PRODUCT. Some provinces and states do not allow the  
exclusion or limitation of incidental or consequential damages, so  
this limitation may not apply to you.  
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY AUBE  
MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED  
WARRANTIES,  
INCLUDING  
THE  
WARRANTIES  
OF  
MERCHANTABILITY AND FITNESS FOR  
A
PARTICULAR  
PURPOSE, IS HEREBY LIMITED TO THE THREE-YEAR  
DURATION OF THIS WARRANTY. Some provinces and states do  
not allow limitations on how long an implied warranty lasts, so the  
above limitation may not apply to you.  
This warranty gives you specific legal rights, and you may have  
other rights which vary by province or state.  
1
1.Support  
If you have any questions about the product installation or  
operation, or concerning the warranty, contact us at the address  
shown below.  
7
05 Montrichard  
10, rue Ampère  
95500 Gonesse  
France  
Saint-Jean-sur-Richelieu, Quebec  
J2X 5K8  
Canada  
Tel: 33 (0) 1 34 07 99 00  
Tel: (450) 358-4600  
Toll-free: 1-800-831-AUBE  
Fax: (450) 358-4650  
Fax: 33 (0) 1 34 07 99 19  
Email: advaube@comintes.com  
Email: aube.service@honeywell.com  
For more information on our products, visit us at:  
www.aubetech.com  
®
As an ENERGY STAR partner, Aube Technologies  
has determined that this product meets the  
ENERGY STAR guidelines for energy efficiency.  
TH146-P-U  
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12/12  

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