Aube TH148LE Thermostat User Manual

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TH147 & TH148LE 2. Installation  
Electronic Thermostats  
Note: The installation must be performed by an electrician or a qual-  
ified installer.  
Installation  
and User Guide 2.1 Removing the Old Thermostat  
IN ORDER TO AVOID ANY RISK OF ELECTRIC SHOCK, CUT  
1
. Introduction  
POWER TO THE HEATING/COOLING SYSTEM.  
n Remove the old thermostat to access the wires.  
The TH147 and TH148LE thermostats can be used to control:  
Attention: If the old thermostat was mounted onto an electrical box,  
it might have been powered by 120/240 volts. In this case, the  
TH147 or TH148LE thermostat cannot be used.  
a gas, fuel oil or electric furnace - 2 or 3 wires  
a central air conditioner - 2 or 3 wires  
a hot water system with or without pump - 2 wires  
a millivolt system - 2 wires  
o Identify and label each wire (with the corresponding letter on  
the wire terminal) and remove it from its terminal.  
a central heating and cooling system - 4 or 5 wires  
p If necessary, strip the end of each wire  
Attention: These thermostats are not compatible with heat pumps  
or multi-stage systems.  
(
maximum of 6 mm).  
q Wrap the wires around a pencil to prevent  
them from falling into the wall.  
r If the hole in the wall is too big, insulate it  
using a non-flammable material in order  
to avoid air draughts behind the thermostat.  
Adjustment  
buttons  
Display  
2
.2 Installing the New Baseplate  
Backlight  
button  
For a new installation, choose a location approximately 1.5 m  
5 feet) above the floor and on an inside wall. Avoid draughty  
(
areas (top of staircase, air outlet, etc.), dead air spots (behind  
doors), direct sunlight or areas near concealed pipes or chim-  
neys.  
System operating  
mode selector  
Fan operating  
mode selector  
Functions  
Heating/cooling control  
Fan control  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
n Remove the thermostat faceplate.  
o Loosen the locking screw in order to separate the thermostat  
Programmable cycle lengths  
Temperature display in °C or °F  
Backlit display  
from its baseplate (the screw cannot be completely removed).  
Battery replacement indicator  
Unoccupied mode activated remotely (requires Aube’s CT240)  
Interchangeable faceplates (titanium, charcoal & taupe)  
p Gently tilt the thermostat upwards.  
q Mark and bore the appropriate mounting holes (or use the  
existing holes). Insert the plastic anchors.  
r Pass the wires through the opening of the baseplate and fix the  
baseplate to the wall using the screws provided.  
TH147 and TH148LE  
400-147-010-C 27/11/06 1/4  
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2
.3 Connecting the Thermostat  
2.3.5 4-wire Heating and Cooling  
Refer to the following table for matching the wire labels with the  
thermostat terminals.  
Terminals  
Description  
Heating power supply  
Wire labels  
Rh, R, 4, V  
Rc, R  
Heat relay  
Cool relay  
Rh  
Rc  
W
Y
Cooling power supply  
Heating signal  
Cooling signal  
Fan  
W, W1, H  
Y, Y1, M  
G, F  
Fan relay  
G
Un / Un Input for a remote control device (TH148LE only)  
-
2
.3.6 5-wire Heating and Cooling  
Note: Do not connect wires identified as C, X or B. Wrap the bare  
end of these wires with electrical tape.  
n Loosen the screws of the terminal  
block and insert the wires in the  
respective terminals.  
Fan relay  
Heat relay  
Cool relay  
o Tighten the screws.  
Note: Remove the red jumper wire between terminals Rc and Rh.  
Important: The red jumper wire between Rh and Rc terminals must  
be removed in a 5-wire installation.  
2.4 Remote Control Input (TH148LE only)  
2
2
2
.3.1 2-wire Heating  
.3.2 2-wire Cooling  
.3.3 3-wire Heating  
The TH148LE thermostat has an input to which a CT240 telephone  
controller (optional) or any other remote control system (e.g., home  
automation) can be connected. When the input receives a  
12-VDC signal, the thermostat switches from its current mode to the  
unoccupied mode and vice versa when the signal is removed.  
The unoccupied mode can be used to re-adjust the temperature to  
save energy when you are away for an extended period of time. To  
set the unoccupied mode temperature, see section 4.  
Heat relay  
Cool relay  
Heat relay  
2
.4.1 Connecting to CT240  
Connect TH148LE terminals UN and UN to  
CT240 terminals A and C (no polarity to observe).  
2
.4.2 Connecting to a Home Automation System  
Connect TH148LE terminals UN and UN to a 12-  
VDC circuit as shown.  
2.5 Setting JP2 Jumper  
The jumper specifies how the fan will operate when it is placed in  
automatic mode.  
Fan relay  
JP2 jumper  
Place the jumper in this position if you  
have an electric furnace.  
HE  
HG  
2
.3.4 3-wire Cooling  
Leave the jumper in this position if you  
have a gas or fuel oil furnace.  
Cool relay  
Fan relay  
TH147 and TH148LE  
400-147-010-C 27/11/06 2/4  
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2
.6 Installing the Batteries  
3.3 Viewing and Setting the Ambient Temperature  
The ambient temperature is normally displayed. To view the set-  
point, press once on one of the  
buttons. The setpoint is dis-  
played for 5 seconds and is indicated by the  
display. During the setpoint display, press one of the  
change it.  
symbol on the  
buttons to  
3
.4 Backlight  
The display illuminates for 12 seconds when the backlight button or  
either of the buttons is pressed.  
n Gently pull out the battery cover.  
3
.5 Unoccupied Mode (TH148LE only)  
o Install the batteries as shown. Observe the polarity.  
p Reinstall the battery cover. You will hear a clicking sound.  
When batteries are installed for the first time, the thermostat per-  
forms a sequence of tests for about 5 seconds.  
To place the thermostat in unoccupied mode, see section 2.4. In this  
mode, the  
icon is displayed and only the  
buttons work to  
allow a temporary bypass.  
3
.5.1 Temporary Bypass (TH148LE only)  
Afterwards, the thermostat displays the ambient temperature. It is  
normal that the displayed temperature will be higher than the ambi-  
ent temperature if you hold the thermostat in your hands. It will  
return to normal shortly after the thermostat is installed on the wall.  
By default, the setpoint is 21°C (70°F).  
If you modify the setpoint (using the  
buttons) when the thermo-  
stat is in unoccupied mode, the thermostat temporarily bypasses  
the setpoint of the unoccupied mode. The new setpoint will be main-  
tained for 2 hours, then the thermostat will return to the setpoint of  
the unoccupied mode. The  
icon flashes during the bypass.  
2
.7 Completing the Installation  
3
.6 Low-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 dis-  
appears once the batteries are replaced and the ther-  
mostat reinstalled on its base.  
Warning: Before removing the batteries, place the  
system switch on the thermostat to Off. Otherwise, the  
heating/cooling unit might still be running even after  
the batteries are removed.  
n Once the baseplate and the batteries are installed, mount the  
Note: The thermostat settings are not erased when  
the batteries are dead or removed.  
thermostat on the baseplate.  
o Secure the thermostat using the locking screw and install the  
faceplate.  
p Apply power back to the system.  
3
. Basic Functions  
3
.1 System Operating Mode  
Use this selector switch to set the system to heating  
mode (HEAT), cooling mode (COOL), or Off.  
Note: When you place the thermostat in cooling mode,  
you might need to wait up to five minutes before cooling can start.  
This delay is a safety feature for the compressor. The  
flash on the screen until cooling can start again.  
icon will  
3
.2 Fan Operating Mode  
Use the selector switch to set the fan to automatic  
mode (AUTO) or continuous mode (ON).  
Note: This switch is not used in a 2-wire installation as  
the fan is not connected to the thermostat.  
AUTO The fan operates only when heating or cooling is activated.  
ON The fan operates continuously.  
TH147 and TH148LE  
400-147-010-C 27/11/06 3/4  
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4
. Configuration Menu  
6. Warranty  
Aube warrants this product, excluding battery, to be free from  
defects in the workmanship or materials, under normal use and ser-  
vice, for a period of one (1) year 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).  
DISPLAY  
DESCRIPTION  
Temperature display  
DEFAULT  
OPTIONS  
°C  
°C or °F  
Unoccupied mode setpoint - heat-  
ing (TH148LE only) 1, 2  
10°C  
(50°F)  
5°C to 28°C  
(41°F to 82°F)  
Unoccupied mode setpoint - cool-  
ing (TH148LE only) 1, 2  
35°C  
(95°F)  
15°C to 35°C  
(59°F to 95°F)  
If the product is defective,  
Heating cycles per hour 2  
Cooling cycles per hour 2  
2, 3, 4, 5 or 6 3  
2, 3, 4, 5 or 6 4  
4
4
(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.  
1
2
To enable the Unoccupied mode, see section 2.4.  
Use the system mode selector to switch the display between the heating parame-  
ter and the cooling parameter.  
3
For optimal heating control, use the setting that matches your system as follows:  
=30 min (steam, gravity), 3=20 min (hot water, 90%+ high-efficiency furnace),  
=15 min (gas or oil), 5=12 min (alternate setting for gas or oil), 6=10 min (electric).  
This warranty does not cover removal or reinstallation costs. This  
warranty shall not apply if it is shown by Aube that the defect or mal-  
function was caused by damage which occurred while the product  
was in the possession of a consumer.  
2
4
4
The corresponding cycle lengths are: 2=30 min., 3=20 min., 4=15 min., 5=12 min.,  
=10 min.  
6
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 INCI-  
DENTAL OR CONSEQUENTIAL DAMAGES RESULTING,  
DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WAR-  
RANTY, 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.  
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  
backlight 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-  
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEY-  
WELL MAKES ON THIS PRODUCT. THE DURATION OF ANY  
IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF  
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR-  
POSE, IS HEREBY LIMITED TO THE ONE-YEAR DURATION OF  
THIS WARRANTY. Some provinces and states do not allow limita-  
tions on how long an implied warranty lasts, so the above limitation  
may not apply to you.  
tion menu.  
5
. Technical Specifications  
Power supply: 2 AA batteries  
Maximum load: 1 A @ 24 Vca per output  
Unoccupied load: 12 VCC / ± 10% / 20 mA  
Setpoint range (heating): 5 to 28°C (41 to 82°F)  
Setpoint range (cooling): 15 to 35°C (59 to 95°F)  
Display range: -10 to 50°C (14 to 122°F)  
This warranty gives you specific legal rights, and you may have  
other rights which vary from province or state to another.  
7
. Service  
Storage temperature: -20 to 50°C (-2 to 122°F)  
Temperature display resolution: 0.5°C (1°F)  
Accuracy: ± 0.5°C (1°F)  
For any questions regarding the product installation, operation or  
warranty, contact us at:  
7
05 Montrichard  
Cycle length: 10, 12, 15, 20 or 30 min. (programmable)  
Compressor short-cycle protection (minimum off time): 5 minutes  
Dimensions: 127 mm x 75 mm x 28 mm (5 in. x 3 in. x 1 in.)  
Saint-Jean-sur-Richelieu, Quebec  
J2X 5K8  
Canada  
Tel.: (450) 358-4600  
Toll-free: 1-800-831-AUBE  
Fax: (450) 358-4650  
Email: aube.service@honeywell.com  
For more information on our products, visit us at  
www.aubetech.com  
TH147 and TH148LE  
400-147-010-C 27/11/06 4/4  

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